Document:

<PAGE>

                                                                    EXHIBIT 4(b)

================================================================================

                          CITIZENS BANKING CORPORATION

                                       AND

                                    U.S. BANK
                              NATIONAL ASSOCIATION

                                     TRUSTEE

                           ---------------------------

                           SUBORDINATED DEBT INDENTURE

                           ---------------------------

                         DATED AS OF SEPTEMBER [*], 2006

================================================================================
<PAGE>

                          CITIZENS BANKING CORPORATION
                    INDENTURE DATED AS OF SEPTEMBER [*], 2006

                             CROSS REFERENCE SHEET*

            Showing the Location in the Indenture of the Provisions Inserted
Pursuant to Sections 310 to 318(a) inclusive of the Trust Indenture Act of 1939.

<TABLE>
<CAPTION>
PROVISIONS OF
TRUST INDENTURE ACT
OF 1939                                INDENTURE PROVISION
----------------------         -------------------------------------
<S>                            <C>
Section 310(a)(1), (2)         Section 8.09
           (3)                 Not Applicable
           (4)                 Not Applicable
     (b)                       Section 8.08; Section 8.10
     (c)                       Not Applicable
Section 311(a)                 Section 8.13(a)
     (b)                       Section 8.13(b)
     (b)(2)                    Section 9.03 (a)(ii); Section 9.03(b)
     (c)                       Not Applicable
Section 312(a)                 Section 9.01; Section 9.02(a)
     (b)                       Section 9.02(b)
     (c)                       Section 9.02(c)
Section 313(a)                 Section 9.03(a)
     (b)(1)                    Not Applicable
        (2)                    Section 9.03(b)
     (c)                       Section 9.03(a); Section 9.03(b)
     (d)                       Section 9.03(c)
Section 314(a)                 Section 9.04
     (b)                       Not Applicable
     (c)                       Section 1.02
     (d)                       Not Applicable
     (e)                       Section 1.02
     (f)                       Not Applicable
Section 315(a)(1)              Section 8.01(a)(i)
       (2)                     Section 8.01(a)(ii)
     (b)                       Section 8.02
     (c)                       Section 8.01(b)
     (d)(1)                    Section 8.01(a)
       (2)                     Section 8.01(c)(ii)
       (3)                     Section 8.01(c)(iii)
     (e)                       Section 7.14
Section 316(a)                 Section 7.12; Section 7.13
     (b)                       Section 7.08
     (c)                       Section 1.04
Section 317(a)(1), (2)         Section 7.03; Section 7.04
     (b)                       Section 12.03
Section 318(a)                 Section 1.08
</TABLE>

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* This Cross Reference Sheet is not part of the Indenture.

                                      -i-

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                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                      PAGE
                                                                                                      ----
<S>                                                                                                   <C>
                                   ARTICLE ONE
             DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

Section 1.01.  Definitions..........................................................................    1
Section 1.02.  Compliance Certificates and Opinions.................................................    8
Section 1.03.  Form of Documents Delivered to Trustee...............................................    9
Section 1.04.  Act of Holders.......................................................................    9
Section 1.05.  Notices, etc., to Trustee and Company................................................   10
Section 1.06.  Notice to Holders; Waiver............................................................   10
Section 1.07.  Immunity of Incorporator, Stockholders, Officers and Directors.......................   11
Section 1.08.  Conflict with Trust Indenture Act....................................................   11
Section 1.09.  Effect of Headings and Table of Contents.............................................   11
Section 1.10.  Successors and Assigns...............................................................   11
Section 1.11.  Separability Clause..................................................................   11
Section 1.12.  Benefits of Indenture................................................................   12
Section 1.13.  Governing Law........................................................................   12
Section 1.14.  Cross References.....................................................................   12
Section 1.15.  Counterparts.........................................................................   12
Section 1.16.  Legal Holidays.......................................................................   12
Section 1.17.  Securities in Foreign Currencies.....................................................   12
Section 1.18.  Force Majeure........................................................................   12
Section 1.19.  Waiver of Jury Trial.................................................................   12

                                   ARTICLE TWO
                                 SECURITY FORMS

Section 2.01.  Forms Generally......................................................................   13
Section 2.02.  Form of Certificate of Authentication................................................   13
Section 2.03.  Securities in Global Form............................................................   14

                                  ARTICLE THREE
                                 THE SECURITIES

Section 3.01.  Amount Unlimited; Issuable in Series.................................................   14
Section 3.02.  Denominations........................................................................   17
Section 3.03.  Authentication and Dating............................................................   17
Section 3.04.  Execution of Securities..............................................................   18
Section 3.05.  Exchange and Registration of Transfer of Securities..................................   19
Section 3.06.  Mutilated, Destroyed, Lost or Stolen Securities......................................   21
Section 3.07.  Temporary Securities.................................................................   22
Section 3.08.  Payment of Interest; Interest Rights Preserved.......................................   22
Section 3.09.  Persons Deemed Owners................................................................   23
Section 3.10.  Cancellation.........................................................................   24
Section 3.11.  Computation of Interest..............................................................   24
Section 3.12.  CUSIP Numbers........................................................................   24
</TABLE>

                                      -ii-

<PAGE>

<TABLE>
<S>                                                                                                    <C>
                                  ARTICLE FOUR
                            REDEMPTION OF SECURITIES

Section 4.01.  Applicability of Article.............................................................   24
Section 4.02.  Election to Redeem; Notice to Trustee................................................   24
Section 4.03.  Selection by Trustee of Securities to Be Redeemed....................................   25
Section 4.04.  Notice of Redemption.................................................................   25
Section 4.05.  Deposit of Redemption Price..........................................................   26
Section 4.06.  Securities Payable on Redemption Date................................................   26
Section 4.07.  Securities Redeemed in Part..........................................................   26

                                  ARTICLE FIVE
                                  SINKING FUNDS

Section 5.01.  Applicability of Article.............................................................   27
Section 5.02.  Satisfaction of Mandatory Sinking Fund Payments with Securities......................   27
Section 5.03.  Redemption of Securities for Sinking Fund............................................   27

                                   ARTICLE SIX
                           SATISFACTION AND DISCHARGE

Section 6.01.  Satisfaction and Discharge of Indenture..............................................   29
Section 6.02.  Satisfaction, Discharge and Defeasance of Securities of any Series...................   30
Section 6.03.  Application of Trust Money...........................................................   31
Section 6.04.  Paying Agent to Repay Moneys Held....................................................   32
Section 6.05.  Return of Unclaimed Moneys...........................................................   32

                                  ARTICLE SEVEN
                                    REMEDIES

Section 7.01.  Events of Default....................................................................   32
Section 7.02.  Acceleration of Maturity; Rescission and Annulment...................................   34
Section 7.03.  Collection of Indebtedness and Suits for Enforcement by Trustee......................   35
Section 7.04.  Trustee May File Proofs of Claim.....................................................   36
Section 7.05.  Trustee May Enforce Claims without Possession of Securities..........................   36
Section 7.06.  Application of Money Collected.......................................................   37
Section 7.07.  Limitation on Suits..................................................................   37
Section 7.08.  Unconditional Right of Holders to Receive Principal, Premium and Interest............   38
Section 7.09.  Restoration of Rights and Remedies...................................................   38
Section 7.10.  Rights and Remedies Cumulative.......................................................   38
Section 7.11.  Delay or Omission Not Waiver.........................................................   38
Section 7.12.  Control by Holders...................................................................   39
Section 7.13.  Waiver of Past Defaults..............................................................   39
Section 7.14.  Undertaking for Costs................................................................   39
Section 7.15.  Waiver of Stay or Extension Laws.....................................................   40

                                  ARTICLE EIGHT
                                   THE TRUSTEE

</TABLE>

                                     -iii-

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<TABLE>
<S>                                                                                                   <C>
Section 8.01.  Certain Duties and Responsibilities..................................................   40
Section 8.02.  Notice of Defaults...................................................................   41
Section 8.03.  Certain Rights of Trustee............................................................   41
Section 8.04.  Not Responsible for Recitals or Issuance of Securities...............................   43
Section 8.05.  May Hold Securities..................................................................   43
Section 8.06.  Money Held in Trust..................................................................   43
Section 8.07.  Compensation and Reimbursement.......................................................   43
Section 8.08.  Disqualification; Conflicting Interests..............................................   44
Section 8.09.  Corporate Trustee Required; Different Trustees for Different Series; Eligibility.....   44
Section 8.10.  Resignation and Removal; Appointment of Successor....................................   45
Section 8.11.  Acceptance of Appointment by Successor...............................................   46
Section 8.12.  Merger, Conversion, Consolidation or Succession to Business..........................   47
Section 8.13.  Preferential Collection of Claims against Company....................................   47
Section 8.14.  Authenticating Agent.................................................................   47

                                  ARTICLE NINE
                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

Section 9.01.  Company to Furnish Trustee Names and Addresses of Holders............................   49
Section 9.02.  Preservation of Information; Communications to Holders...............................   49
Section 9.03.  Reports by Trustee...................................................................   50
Section 9.04.  Reports by Company...................................................................   51

                                   ARTICLE TEN
                  CONSOLIDATION, MERGER, CONVEYANCE OR TRANSFER

Section 10.01.  Company May Consolidate, etc., Only on Certain Terms................................   51
Section 10.02.  Successor Corporation Substituted...................................................   52

                                 ARTICLE ELEVEN
                             SUPPLEMENTAL INDENTURES

Section 11.01.  Supplemental Indentures without Consent of Holders..................................   52
Section 11.02.  Supplemental Indentures with Consent of Holders.....................................   54
Section 11.03.  Execution of Supplemental Indentures................................................   55
Section 11.04.  Notice of Supplemental Indenture....................................................   55
Section 11.05.  Effect of Supplemental Indentures...................................................   56
Section 11.06.  Conformity with Trust Indenture Act.................................................   56
Section 11.07.  Reference in Securities to Supplemental Indentures..................................   56

                                 ARTICLE TWELVE
                                    COVENANTS

Section 12.01.  Payment of Principal, Premium and Interest..........................................   56
Section 12.02.  Maintenance of Office or Agency.....................................................   56
Section 12.03.  Money for Securities Payments to Be Held in Trust...................................   57
Section 12.04.  Statement as to Compliance; Statement by Officers as to Default.....................   58
</TABLE>

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<TABLE>
<S>                                                                                                    <C>
Section 12.05.  Corporate Existence.................................................................   58
Section 12.06.  Permit No Vacancy in Office of Trustee..............................................   58
Section 12.07.  Waiver..............................................................................   58
Section 12.08.  Calculation of Original Issue Discount..............................................   59

                                ARTICLE THIRTEEN
                         SUBORDINATION OF THE SECURITIES

Section 13.01.  Agreement to Subordinate............................................................   59
Section 13.02.  Liquidation, Dissolution, Bankruptcy................................................   59
Section 13.03.  Default on Senior Indebtedness......................................................   59
Section 13.04.  Acceleration of Payment of Securities...............................................   60
Section 13.05.  When Distribution Must Be Paid Over.................................................   60
Section 13.06.  Subrogation.........................................................................   61
Section 13.07.  Relative Rights.....................................................................   61
Section 13.08.  Subordination May Not Be Impaired by Company........................................   61
Section 13.09.  Rights of Trustee and Paying Agent..................................................   61
Section 13.10.  Distribution or Notice to Representative............................................   62
Section 13.11.  Article Thirteen Not to Prevent Events of Default or Limit Right to Accelerate......   62
Section 13.12.  Trust Monies Not Subordinated.......................................................   62
Section 13.13.  Trustee Entitled to Rely............................................................   62
Section 13.14.  Trustee to Effectuate Subordination.................................................   63
Section 13.15.  Trustee Not Fiduciary for Holders of Senior Indebtedness............................   63
Section 13.16.  Reliance by Holders of Senior Indebtedness on Subordination Provisions..............   63
</TABLE>

                                      -v-

<PAGE>

            SUBORDINATED DEBT INDENTURE, dated as of September [*], 2006,
between CITIZENS BANKING CORPORATION, a Michigan corporation, having its
principal office at 328 South Saginaw Street, Flint, Michigan 48502 (the
"Company"), and U.S. BANK NATIONAL ASSOCIATION, a national banking association,
having its designated corporate trust office at 100 Wall Street, Suite 1600, New
York, New York 10005, as trustee hereunder (the "Trustee").

                             RECITALS OF THE COMPANY

            The Company is authorized to borrow money for its corporate purposes
and to issue debentures, notes or other evidences of unsecured indebtedness
therefor; and for its corporate purposes, the Company has determined to make and
issue its debentures, notes or other evidences of unsecured indebtedness to be
issued in one or more series (the "Securities"), as hereinafter provided, up to
such principal amount or amounts as may from time to time be authorized by or
pursuant to the authority granted in one or more resolutions of the Board of
Directors.

            All things necessary to make this Indenture a valid agreement of the
Company, in accordance with its terms, have been done.

                   NOW, THEREFORE, THIS INDENTURE WITNESSETH:

            That, in consideration of the premises and of the mutual covenants
herein contained and of the purchase and acceptance of the Securities by the
holders thereof and of the sum of One Dollar to the Company duly paid by the
Trustee at or before the ensealing and delivery of these presents, and for other
valuable considerations, the receipt whereof is hereby acknowledged, and in
order to declare the terms and conditions upon which the Securities are to be
issued, IT IS HEREBY COVENANTED, DECLARED AND AGREED, by and between the parties
hereto, that all the Securities are to be executed, authenticated and delivered
subject to the further covenants and conditions hereinafter set forth; and the
Company, for itself and its successors, does hereby covenant and agree to and
with the Trustee and its successors in said trust, for the benefit of those who
shall hold the Securities, or any of them, as follows:

                                  ARTICLE ONE

             DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

            Section 1.01. Definitions.

            For all purposes of this Indenture, of all indentures supplemental
hereto and all Securities issued hereunder except as otherwise expressly
provided or unless the context otherwise requires: (a) the terms defined in this
Article shall have the meanings assigned to them in this Article, and include
the plural as well as the singular; (b) all terms used in this Indenture, in any
indenture supplemental hereto or in any such Securities which are defined in the
Trust Indenture Act shall have the meanings assigned to them in said Act; (c)
all accounting terms not otherwise defined herein or in such Securities shall
have the meanings assigned to them in accordance with generally accepted
accounting principles.

            Certain terms used in Article Eight hereof are defined in that
Article.

                                      -1-
<PAGE>

            "Act" when used with respect to any Holder has the meaning specified
in Section 1.04 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. 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.

            "Authenticating Agent": See Section 8.14 hereof.

            "Authorized Newspaper" means a newspaper of general circulation in
the same city in which the Place of Payment with respect to Securities of a
series shall be located or in the Borough of Manhattan, The City of New York,
printed in the English language and customarily published on each Business Day,
whether or not published on Saturdays, Sundays or holidays. Whenever successive
weekly publications in an Authorized Newspaper are required hereunder they may
be made (unless otherwise expressly provided herein) on the same or different
days of the week and in the same or in different Authorized Newspapers.

            "Bearer Rules" means the provisions of the Internal Revenue Code, in
effect from time to time, governing the treatment of bearer obligations and any
regulations thereunder including, to the extent applicable to any series of
Securities, proposed or temporary regulations.

            "Board of Directors" means either the board of directors of the
Company or any committee of that board duly authorized to act for it in respect
hereof.

            "Board Resolution" means a copy of a resolution or resolutions
certified by the Secretary or an Assistant Secretary of the Company to have been
duly adopted by the Board of Directors and to be in full force and effect on the
date of such certification, and delivered to the Trustee.

            "Business Day" means (i) when used with respect to any payment, each
Monday, Tuesday, Wednesday, Thursday and Friday which is not a day on which
banking institutions in the Place of Payment with respect to such payment are
authorized or required by law or executive order to close and (ii) when used for
any other purpose, each Monday, Tuesday, Wednesday, Thursday and Friday which is
not a day on which banking institutions in the Borough of Manhattan, The City of
New York, or in the city in which the Corporate Trust Office of the Trustee is
located are authorized or required by law or executive order to close.

            "Commission" means the Securities and Exchange Commission, as from
time to time constituted, created under the Exchange Act, or 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 on such date.

            "Company" means the corporation named as the "Company" in the first
paragraph of this instrument until a successor corporation shall have become
such pursuant to the

                                      -2-
<PAGE>

applicable provisions of this Indenture, and thereafter "Company" shall mean
each such successor corporation.

            "Company Consent," "Company Order" and "Company Request" mean,
respectively, a written consent, order or request signed in the name of the
Company by its Chairman of the Board, its Chairman of the Executive Committee of
the Board, any one of its Vice Chairmen, its President, any one of its Vice
Presidents, its Treasurer, any one of its Assistant Treasurers, its Comptroller,
any one of its Assistant Comptrollers, its Secretary or any one of its Assistant
Secretaries, and delivered to the Trustee.

            "Corporate Trust Office" means the designated office of the Trustee
at which at any particular time its corporate trust business shall be
principally administered, which office of U.S. Bank National Association, at the
date of the execution of this Indenture, is located at 100 Wall Street, Suite
1600, New York, New York 10005.

            "corporation" means a corporation, association, company or business
trust.

            "Defaulted Interest": See Section 3.08 hereof.

            "Depositary" when used with respect to the Securities of any series
issuable or issued, in whole or in part, in the form of a Global Security, means
the Person designated as Depositary by the Company pursuant to Section 3.01
until a successor Depositary shall have become such pursuant to the applicable
provisions of this Indenture, and thereafter "Depositary" shall mean or include
each Person who is then a Depositary hereunder, and if at any time there is more
than one such Person, "Depositary" as used with respect to the Securities of any
such series shall mean the Depositary with respect to the Securities of that
series.

            "Dollars" and the sign "$" mean the coin or currency of the United
States of America as at the time of payment is legal tender for the payment of
public and private debts.

            "Exchange Act" means the Securities Exchange Act of 1934, as
amended.

            "Event of Default": See Section 7.01 hereof.

            "Federal Bankruptcy Code": See Section 7.01 hereof.

            "Foreign Currency" means any currency issued by the government of
any country other than the United States of America or any composite currency
(including, without limitation, the European Currency Unit).

            "Global Security" means a Security issued to evidence all or a part
of any series of Securities which is executed by the Company and authenticated
and delivered to the Depositary or pursuant to the Depositary's instructions,
all in accordance with this Indenture and pursuant to a Company Order, which
shall be registered in the name of the Depositary or its nominee.

                                      -3-
<PAGE>

            "Holder" means, unless otherwise established as contemplated by
Section 3.01 with respect to the Securities of any series, a Person in whose
name a Security of any series is registered in the Securities Register for the
Securities of such series.

            "Indenture" means this instrument as originally executed, or as it
may be amended or supplemented from time to time as herein provided, and shall
include the form and terms of the Securities of each series established as
contemplated by Sections 2.01 and 3.01.

            "interest" when used with respect to any non-interest bearing
Security means interest payable after Maturity thereof.

            "Interest Payment Date" when used with respect to the Securities of
any series means the Stated Maturity of an installment of interest on the
Securities of such series.

            "Issue Date" means the first date on which Securities are issued
pursuant to this Indenture.

            "Junior Subordinated Indenture" means an Indenture, dated as of
September [*], 2006, between the Company and U.S. Bank National Association, as
trustee, as the same may be amended from time to time.

            "Maturity" when used with respect to any Security means the date on
which the principal of such Security becomes due and payable whether at the
Stated Maturity or by declaration of acceleration, call for redemption, pursuant
to a sinking fund, notice of option to elect repayment or otherwise.

            "Officer's Certificate" means a certificate of the Company signed by
its Chairman of the Board, its Chairman of the Executive Committee of the Board,
any one of its Vice Chairmen, its President, any one of its Vice Presidents, its
Treasurer, any one of its Assistant Treasurers, its Comptroller, any one of its
Assistant Comptrollers, its Secretary or any one of its Assistant Secretaries,
and delivered to the Trustee. Wherever this Indenture requires that an Officer's
Certificate be signed also by an accountant or other expert, such accountant or
other expert (except as otherwise expressly provided in this Indenture) may be
in the employ of the Company and shall be acceptable to the Trustee.

            "Opinion of Counsel" means a written opinion of the General Counsel
or Associate General Counsel of the Company, or other counsel for the Company
who may be an employee of the Company and, if not an employee of the Company,
who shall be acceptable to the Trustee.

            "Original Issue Discount Security" means any Security less than the
principal amount of which becomes due and payable upon a declaration of
acceleration pursuant to Section 7.02 hereof.

            "Outstanding" when used with respect to Securities means, as of the
date of determination, all Securities theretofore authenticated and delivered
under this Indenture, except:

                                      -4-
<PAGE>

            (a) Securities theretofore cancelled by the Trustee or delivered to
      the Trustee for cancellation;

            (b) Securities or portions thereof for whose payment or redemption
      money in the necessary amount has been theretofore deposited with the
      Trustee or any Paying Agent (other than the Company) in trust or set aside
      and segregated in trust by the Company (if the Company shall act as its
      own Paying Agent) for the Holders of such Securities; provided, however,
      that, if such Securities or portions thereof are to be redeemed, notice of
      such redemption has been duly given pursuant to this Indenture or
      provision therefor satisfactory to the Trustee has been made; and

            (c) Securities paid or in exchange for or in lieu of which other
      Securities have been authenticated and delivered pursuant to this
      Indenture unless proof satisfactory to the Trustee is presented that any
      such Securities are held by a holder in due course;

provided, however, that in determining whether the Holders of the requisite
principal amount of Securities Outstanding have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, (i) Securities
owned by the Company or any other obligor upon the Securities or any Affiliate
of the Company or such other obligor shall be disregarded and deemed not to be
Outstanding, except that, in determining whether the Trustee shall be protected
in relying upon any such request, demand, authorization, direction, notice,
consent or waiver, only Securities which a Responsible Officer of the Trustee
actually knows to be so owned shall be so disregarded (Securities so owned which
have been pledged in good faith may be regarded as Outstanding if the pledgee
establishes to the satisfaction of the Trustee the pledgee's right so to act
with respect to such Securities and that the pledgee is not the Company or any
other obligor upon the Securities or any Affiliate of the Company or such other
obligor), and (ii) the principal amount of an Original Issue Discount Security
that shall be deemed to be outstanding for such purposes shall be the amount of
the principal thereof that would be due and payable as of the date of such
determination upon a declaration of acceleration pursuant to Section 7.02
hereof.

            "Overdue Rate" when used with respect to the Securities of any
series means the rate designated as such, established as contemplated by Section
3.01 for the Securities of such series.

            "Paying Agent" means any Person authorized by the Company to pay the
principal of (or premium, if any) or interest, if any, on any Securities on
behalf of the Company.

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

            "Permitted Junior Securities" shall mean unsecured debt or equity
securities of the Company or any successor corporation issued pursuant to a plan
of reorganization or readjustment of the Company, as applicable, that are
subordinated in right of payment to all then outstanding Senior Indebtedness of
the Company, as applicable, at least to the same extent that the Securities are
subordinated to the payment of all Senior Indebtedness of the Company.

                                      -5-
<PAGE>

            "Place of Payment" when used with respect to the Securities of any
series means the place or places where the principal of (and premium, if any)
and interest, if any, on the Securities of such series are specified as payable,
established as contemplated by Section 3.01 or, if not so established, specified
in Section 12.02.

            "Predecessor Securities" of any particular Security means every
previous Security evidencing all or a portion of the same debt as that evidenced
by such particular Security; and for the purposes of this definition, any
Security authenticated and delivered under Section 3.06 hereof in lieu of a
mutilated, lost, destroyed or stolen Security shall be deemed to evidence the
same debt as the mutilated, lost, destroyed or stolen Security.

            "record date": See Section 3.08 hereof.

            "Redemption Date" when used with respect to any Security or portion
thereof to be redeemed means the date fixed for such redemption pursuant hereto.

            "Redemption Price" when used with respect to any Security or portion
thereof to be redeemed on any Redemption Date means the price at which it is to
be so redeemed, established as contemplated by Section 3.01 exclusive of
interest accrued and unpaid to such Redemption Date.

            "Representative" means the trustee, agent or representative (if any)
for an issue of Senior Indebtedness, as applicable; provided that if, and for so
long as, such Senior Indebtedness lacks such a Representative, then the
Representative for such Senior Indebtedness shall at all times constitute the
holder or holders of a majority in outstanding principal amount of obligations
under such Senior Indebtedness.

            "Responsible Officer" when used with respect to the Trustee means
any officer of the Trustee authorized by the Trustee to administer its corporate
trust matters.

            "Securities": See RECITALS OF THE COMPANY herein.

            "Securities Register" and "Securities Registrar": See Section 3.05
hereof.

            "Senior Indebtedness" with respect to the Company means the
principal, premium (if any) and interest (including interest accruing on or
after the filing of any petition in bankruptcy or for reorganization relating to
the Company, whether or not such claim for post-petition interest is allowed in
such proceeding) on and of all indebtedness and obligations (other than the
Securities, but including any debentures, notes or other evidence of
indebtedness issued under the Senior Indenture) of, or guaranteed or assumed by,
the Company that (i) are for borrowed money (ii) are evidenced by bonds,
debentures, notes or other similar instruments, (iii) represent obligations to
policyholders of insurance or investment contracts, (iv) represent a
reimbursement obligation with respect to a letter of credit, banker's acceptance
or similar facility, or (v) represent the deferred purchase price of property or
services, in each case, whether outstanding on the Issue Date or thereafter
created, incurred, assumed or guaranteed, and all amendments, renewals,
extensions, modifications and refundings of such indebtedness and obligations,
unless in any such case the instrument by which such indebtedness or obligations
are created, incurred, assumed or guaranteed by the Company, or are otherwise

                                      -6-
<PAGE>

evidenced, provides that they are subordinated, or are not superior, in right of
payment to the Securities; provided, however, that Senior Indebtedness shall not
include, as applicable:

            (1) any obligation of the Company to any Subsidiary of the Company,

            (2) any liability for Federal, state, local or other taxes owed or
      owing by the Company or any Subsidiary of the Company,

            (3) any accounts payable or other liability to trade creditors
      (including guarantees thereof or instruments evidencing such liabilities),

            (4) any indebtedness or obligation of the Company issued under the
      Junior Subordinated Indenture,

            (5) any obligations with respect to any capital stock of the
      Company, or

            (6) any indebtedness which by its terms is expressly made equal in
      rank and payment with or subordinated to the Securities.

            If any Senior Indebtedness is disallowed, avoided or subordinated
pursuant to the provisions of Section 548 of Title 11 of the United States Code
or any applicable state fraudulent conveyance law, such Senior Indebtedness
nevertheless will constitute Senior Indebtedness.

            "Senior Indenture" means an Indenture, dated as of September [*],
2006, between the Company and U.S. Bank National Association, as trustee, as the
same may be amended from time to time.

            "Stated Maturity" when used with respect to any Security or any
installment of interest thereon means the date specified in such Security as the
fixed date on which the principal of such Security or such installment of
interest is due and payable.

            "Subsidiary" of any Person means (i) any corporation of which such
Person at the time owns or controls, directly or through an intervening medium,
more than fifty per cent (50%) of each class of outstanding Voting Stock, (ii)
any limited liability company, general partnership, joint venture, joint stock
company or similar entity, of which such Person at the time owns or controls,
directly or through an intervening medium, more than fifty per cent (50%) of its
outstanding partnership, membership or similar voting interests, as the case may
be and (iii) any limited partnership of which such Person, directly or through
an intervening medium, is a general partner, and unless otherwise specified
shall mean a Subsidiary of the Company.

            "Trustee" means the Person named as the "Trustee" in the first
paragraph of this instrument and, subject to the provisions of Article Eight
hereof, shall also include its successors and assigns as Trustee hereunder. If
there shall be at any one time more than one Trustee hereunder, "Trustee" shall
mean each such Trustee and shall apply to each such Trustee only with respect to
the Securities of those series with respect to which it is serving as Trustee.

                                      -7-
<PAGE>

            "Trust Indenture Act" and "TIA" means the Trust Indenture Act of
1939, as amended and as in force at the date as of which this instrument was
executed, except as provided in Section 11.06 hereof.

            "U.S. Government Obligations" means securities which are (i) direct
obligations of the United States of America for the payment of which its full
faith and credit is pledged or (ii) obligations of a Person controlled or
supervised by and acting as an agency or instrumentality of the United States of
America the payment of which is unconditionally guaranteed as a full faith and
credit obligation by the United States of America, which, in either case, are
not callable or redeemable at the option of the issuer thereof, and which shall
also include a depository receipt issued by a bank or trust company as custodian
with respect to any such obligation set forth in (i) or (ii) above or a specific
payment of interest on or principal of any such obligation held by such
custodian for the account of the holder of a depository receipt; provided that
(except as required by law) such custodian is not authorized to make any
deduction from the amount payable to the holder of such depository receipt from
any amount received by the custodian in respect of the obligation evidenced by
such depository receipt or the specific payment of interest on or principal of
such obligation.

            "Vice President" when used with respect to the Company means any
vice president, whether or not designated by a number or a word or words added
before or after the title "vice president."

            "Voting Stock" means stock of the class or classes having general
voting power under ordinary circumstances to elect at least a majority of the
board of directors, managers or trustees of such corporation (irrespective of
whether or not at the time stock of any other class or classes shall have or
might have voting power by reason of the happening of any contingency).

            Section 1.02. Compliance Certificates and Opinions.

            Upon any application or request by the Company to the Trustee to
take any action under any provision of this Indenture, the Company shall furnish
to the Trustee an Officer's Certificate stating that all conditions precedent
(including any covenant compliance with which constitutes a condition
precedent), if any, provided for in this Indenture relating to the proposed
action have been complied with and an Opinion of Counsel stating that in the
opinion of such counsel all such conditions precedent, if any, have been
complied with, except that in the case of any such application or request as to
which the furnishing of such documents is specifically required by any provision
of this Indenture relating to such particular application or request, no
additional certificate or opinion need be furnished.

            Every certificate or opinion with respect to compliance with a
condition or covenant provided for in this Indenture shall include

            (a) a statement that each individual signing such certificate or
      opinion has read such covenant or condition and the definitions herein
      relating thereto;

            (b) a brief statement as to the nature and scope of the examination
      or investigation upon which the statements or opinions contained in such
      certificate or opinion are based;

                                      -8-
<PAGE>

            (c) a statement that, in the opinion of each such individual, he has
      made such examination or investigation as is necessary to enable him 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
      individual, such condition or covenant has been complied with.

            Section 1.03. Form of Documents Delivered to Trustee.

            In any case where several matters are required to be certified by,
or covered by an opinion of, any specified Person, it is not necessary that all
such matters be certified by, or covered by the opinion of, only one such
Person, or that they be so certified or covered by only one document, but one
such Person may certify or give an opinion with respect to some matters and one
or more other such Persons as to other matters, and any such Person may certify
or give an opinion as to such matters in one or several documents.

            Any certificate or opinion of an officer of the Company may be
based, insofar as it relates to legal matters, upon a certificate or opinion of,
or representations by, counsel, unless such officer knows, or in the exercise of
reasonable care should know, that the certificate or opinion or representations
with respect to the matters upon which his certificate or opinion is based are
erroneous. Any such certificate or Opinion of Counsel may be based, insofar as
it relates to factual matters, upon a certificate or opinion of, or
representations by, an officer or officers of the Company stating that the
information with respect to such factual matters is in the possession of the
Company, unless such counsel knows, or in the exercise of reasonable care should
know, that the certificate or opinion or representations with respect to such
matters are erroneous.

            Any certificate, statement or opinion of an Officer of the Company
or of counsel may be based, insofar as it relates to accounting matters, upon a
certificate or opinion of or representations by an accountant or firm of
accountants in the employ of the Company, unless such Officer or counsel, as the
case may be, knows, or in the exercise of reasonable care should know, that the
certificate or opinion or representations with respect to the accounting matters
upon which his or her certificate, statement or opinion is based are erroneous.

            Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or other
instruments under this Indenture, they may, but need not, be consolidated to
form one instrument.

            Section 1.04. Act of Holders.

            (a) Any request, demand, authorization, direction, notice, consent,
      waiver or other action provided by this Indenture to be given or taken by
      Holders may be embodied in and evidenced by one or more instruments of
      substantially similar tenor signed by such Holders in person or by agent
      duly appointed in writing; and, except as herein otherwise expressly
      provided, such action shall become effective when such instrument or
      instruments are delivered to the Trustee, and, where it is hereby
      expressly required, to the Company. Such instrument or instruments (and
      the action embodied therein and evidenced thereby) are herein sometimes
      referred to as the "Act" of the Holders signing

                                      -9-
<PAGE>

      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 Indenture and (subject to Section 8.01 hereof) conclusive
      in favor of the Trustee and the Company, if made in the manner provided in
      this Section 1.04.

            (b) The fact and date of the execution by any Person of any such
      instrument or writing, or the authority of the Person executing the same,
      may be proved in any manner that the Trustee deems sufficient and in
      accordance with such reasonable requirements as the Trustee may determine.

            (c) The ownership of Securities of any series shall be proved by the
      Securities Register.

            (d) Any request, demand, authorization, direction, notice, consent,
      waiver or other action by the Holder of any Security shall bind the Holder
      of every Security issued upon the registration of transfer thereof or in
      exchange therefor or in lieu thereof in respect of anything done or
      suffered to be done by the Trustee or the Company or any agent of the
      Trustee or the Company in reliance thereon, whether or not notation of
      such action is made upon such Security.

            (e) The Company may set a record date for purposes of determining
      the identity of Holders entitled to vote or consent or take any other
      action under this Indenture, which record date shall not be more than 60
      days nor less than 10 days prior to the solicitation with respect thereto,
      and only such Holders shall be so entitled.

            Section 1.05. Notices, etc., to Trustee and Company.

            Any request, demand, authorization, direction, notice, consent,
waiver or Act of Holders or other document provided or permitted by this
Indenture to be made upon, given or furnished to, or filed with,

            (a) the Trustee by any Holder or by the Company shall be sufficient
      for every purpose hereunder if made, given, furnished or filed in writing
      to or with the Trustee at its Corporate Trust Office, or

            (b) the Company by the Trustee or by any Holder shall be sufficient
      for every purpose hereunder (except as provided in Subsection (d) of
      Section 7.01 hereof) if in writing (including telecopy) and mailed,
      first-class postage prepaid, to the Company addressed to it at the address
      of its principal office specified in the first paragraph of this
      instrument or at any other address previously furnished in writing to the
      Trustee by the Company.

            Section 1.06. Notice to Holders; Waiver.

            Where this Indenture provides for notice to Holders of any event,
such notice shall be sufficiently given (unless otherwise herein expressly
provided) if in writing and mailed, first-class postage prepaid, to each Holder
affected by such event, at his address as it appears in the Securities Register,
not later than the latest date, and not earlier than the earliest date,
prescribed for the giving of such notice. In any case where notice to Holders is
given by mail,

                                      -10-
<PAGE>

neither the failure to mail such notice, nor any defect in any notice so mailed,
to any particular Holder shall affect the sufficiency of such notice with
respect to other Holders. Any notice mailed in the manner prescribed by this
Indenture shall be deemed to have been given whether or not such Holder receives
said notice. Where this Indenture provides for notice in any manner, such notice
may be waived in writing by the Person entitled to receive such notice, either
before or after the event, and such waiver shall be the equivalent of such
notice. Waivers of notice by Holders shall be filed with the Trustee, but such
filing shall not be a condition precedent to the validity of any action taken in
reliance upon such waiver.

            Section 1.07. Immunity of Incorporator, Stockholders, Officers and
Directors.

            No recourse shall be had for the payment of the principal of (and
premium, if any) or the interest, if any, on any Security of any series, or for
any claim based thereon, or upon any obligation, covenant or agreement of this
Indenture, against any incorporator, stockholder, officer or director, as such,
past, present or future of the Company or of any successor corporation, either
directly or indirectly through the Company or any successor corporation, whether
by virtue of any constitution, statute or rule of law or by the enforcement of
any assessment or penalty or otherwise; it being expressly agreed and understood
that this Indenture and all the Securities are solely corporate obligations, and
that no personal liability whatever shall attach to, or is incurred by, any
incorporator, stockholder, officer or director, past, present or future, of the
Company or of any successor corporation, either directly or indirectly through
the Company or any successor corporation, because of the incurring of the
indebtedness hereby authorized or under or by reason of any of the obligations,
covenants or agreements contained in this Indenture or in any of the Securities,
or to be implied herefrom or therefrom; and that all such personal liability is
hereby expressly released and waived as a condition of, and as part of the
consideration for, the execution of this Indenture and the issue of the
Securities.

            Section 1.08. Conflict with Trust Indenture Act.

            If any provision hereof limits, qualifies or conflicts with any
provision deemed to be included in this Indenture by any of the provisions of
the Trust Indenture Act, such deemed-included provision shall control.

            Section 1.09. Effect of Headings and Table of Contents.

            The Article and Section headings herein and the Table of Contents
are for convenience only and shall not affect the construction hereof.

            Section 1.10. Successors and Assigns.

            All covenants and agreements in this Indenture by the Company shall
bind its successors and assigns, whether so expressed or not.

            Section 1.11. Separability Clause.

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

                                      -11-
<PAGE>

            Section 1.12. Benefits of Indenture.

            Nothing in this Indenture or in the Securities, expressed or
implied, shall give to any Person, other than the parties hereto and their
successors hereunder, and the Holders of the Securities, any benefit or any
legal or equitable right, remedy or claim under this Indenture.

            Section 1.13. Governing Law.

            This Indenture and each Security shall be deemed to be a contract
made under the laws of the State of New York and this Indenture and each
Security for all purposes shall be governed by and construed in accordance with
the laws of the State of New York, without regard to conflicts of laws
principles thereof.

            Section 1.14. Cross References.

            All references herein to "Articles" and other subdivisions are to
the corresponding Articles or other subdivisions of this Indenture; and the
words "herein" "hereof" "hereby" "hereunder" "hereinbefore" and "hereinafter"
and other words of similar purport refer to this Indenture generally and not to
any particular Article, Section or other subdivision hereof.

            Section 1.15. Counterparts.

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

            Section 1.16. Legal Holidays.

            In any case where any Interest Payment Date, Redemption Date or
Stated Maturity of a Security of any series is not a Business Day at the
relevant Place of Payment with respect to Securities of such series, then
notwithstanding any other provision of this Indenture or the Securities, payment
of interest, if any, or principal and premium, if any, with respect to such
Security need not be made at such Place of Payment on such date but may be made
on the next succeeding Business Day at such Place of Payment with the same force
and effect as if made on such Interest Payment Date or Redemption Date or at the
Stated Maturity, and no interest shall accrue on such payment for the period
from and after such Interest Payment Date, Redemption Date or Stated Maturity,
as the case may be.

            Section 1.17. Securities in Foreign Currencies.

            Whenever this Indenture provides for any action by, or any
distribution to, Holders of Securities denominated in Dollars and in any Foreign
Currency, in the absence of any provision to the contrary established as
contemplated by Section 3.01 for the Securities of any particular series, any
amount in respect of any Security denominated in a Foreign Currency shall be
treated for any such action or distribution as that amount of Dollars that could
be obtained for such amount on such reasonable basis of exchange and as of such
date as the Company may specify in a Company Order.

            Section 1.18. Force Majeure.

            In no event shall the Trustee be responsible or liable for any
failure or delay in the performance of its obligations hereunder arising out of
or caused by, directly or indirectly, forces beyond its control, including,
without limitation, strikes, work stoppages, accidents, acts of war or
terrorism, civil or military disturbances, nuclear or natural catastrophes or
acts of God, and interruptions, loss or malfunctions of utilities,
communications or computer (software and hardware) services; it being understood
that the Trustee shall use reasonable efforts which are consistent with accepted
practices in the banking industry to resume performance as soon as practicable
under the circumstances.

            Section 1.19.  Waiver of Jury Trial.

            EACH OF THE COMPANY AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES, TO
THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY
JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS INDENTURE, THE
NOTES OR THE TRANSACTION CONTEMPLATED HEREBY.

                                      -12-
<PAGE>

                                  ARTICLE TWO

                                 SECURITY FORMS

            Section 2.01. Forms Generally.

            The Securities of each series shall be in substantially the forms as
shall be established by or pursuant to Board Resolution or one or more
indentures supplemental hereto, in each case with such appropriate insertions,
omissions, substitutions and other variations as are required or permitted by
this Indenture or any indenture supplemental hereto, and may have such letters,
numbers or other marks of identification and such legends or endorsements placed
thereon as may be required to comply with any law or with any rules made
pursuant thereto or with any rules of any securities exchange or as may,
consistently herewith, be determined by the officers executing such Securities,
as evidenced by their execution of the Securities.

            The definitive Securities of each series shall be printed,
lithographed or engraved or produced by any combination of these methods on
steel engraved borders or may be produced in any other manner, all as determined
by the officers executing such Securities, as evidenced by their execution of
such Securities.

            Section 2.02. Form of Certificate of Authentication.

            The Certificate of Authentication on all Securities shall be in
substantially the following form:

            This is one of the Securities of the series designated herein and
referred to in the within-mentioned Indenture.

                                  U.S. BANK NATIONAL ASSOCIATION,
                                  as Trustee

                                  By _________________________________________
                                              Authorized Signatory

                                                       or

                                  By _________________________________________
                                             [As Authenticating Agent]

                                  By _________________________________________
                                             [Authorized Officer]

                                      -13-
<PAGE>

            Section 2.03. Securities in Global Form.

            If any Security of a series is issuable as a Global Security (in
whole or in part), such Global Security may provide that it shall represent the
aggregate principal amount of Outstanding Securities of such series from time to
time represented thereby in the records of the Trustee or endorsed thereon and
may also provide that the aggregate principal amount of Outstanding Securities
of such series represented thereby in the records of the Trustee or endorsed
thereon may from time to time be reduced or increased. Any change in the records
of the Trustee or any endorsement of a Global Security to reflect the aggregate
principal amount, or any increase or decrease in the amount, of Outstanding
Securities represented thereby shall be made by the Trustee in accordance with
provisions established as contemplated by Section 3.01.

                                 ARTICLE THREE

                                 THE SECURITIES

            Section 3.01. Amount Unlimited; Issuable in Series.

            The aggregate principal amount of Securities which may be
authenticated and delivered under this Indenture is unlimited.

            The Securities may be issued in one or more series. There shall be
established in or pursuant to a Board Resolution or one or more indentures
supplemental hereto, prior to the issuance of any Securities of any series:

            (a) the title of the Securities of such series (which shall
      distinguish the Securities of such series from all other series of
      Securities);

            (b) any limit upon the aggregate principal amount of the Securities
      of such series which may be authenticated and delivered under this
      Indenture (except for Securities authenticated and delivered pursuant to
      Section 3.05, 3.06, 3.07, 4.07, or 11.07 hereof);

            (c) the date or dates, or the method by which such date or dates
      will be determined or extended, on which the principal of and premium, if
      any, on the Securities of such series is payable;

            (d) the Persons to whom interest on Securities of such series shall
      be payable, if other than the Persons in whose names such Securities are
      registered at the close of business on the record date for such interest;

            (e) the rate or rates, or the method to be used in determining the
      rate or rates, at which the Securities of such series shall bear interest,
      if any, the date or dates from which such interest shall accrue or the
      method by which such date or dates shall be determined, the Interest
      Payment Dates on which such interest shall be payable and, if other than
      as set forth in Section 3.08 hereof, the record date for the determination
      of Holders to whom such interest is payable, and the basis upon which
      Interest shall be calculated if other than as set forth in Section 3.11;

                                      -14-
<PAGE>

            (f) the place or places at which (i) the principal of and premium,
      if any, and interest, if any, on Securities of such series shall be
      payable if other than as set forth in the third sentence of Section 12.02,
      (ii) registration of transfer of Securities of such series may be
      effected, (iii) exchanges of Securities of such series may be effected and
      (iv) notice and demands to or upon the Company in respect of the
      Securities of such series and this Indenture may be served; and if such is
      the case, that the principal of such Securities shall be payable without
      the presentment or surrender thereof;

            (g) the price or prices at which, the period or periods within which
      and the terms and conditions upon which Securities of such series may be
      redeemed, in whole or in part, at the option of the Company, at the option
      of a Holder or otherwise;

            (h) the obligation, if any, of the Company to redeem, purchase or
      repay Securities of such series pursuant to any sinking fund or analogous
      provisions or at the option of a Holder thereof and the price or prices at
      which, the period or periods within which and the terms and conditions
      upon which Securities of such series shall be redeemed, purchased or
      repaid, in whole or in part, pursuant to such obligation;

            (i) if other than Dollars, the Foreign Currency or Foreign
      Currencies in which payment of the principal of and premium, if any, and
      interest, if any, on the Securities of such series shall be payable or in
      which such Securities will be denominated;

            (j) if the principal of and premium, if any, or interest, if any, on
      the Securities of such series are to be payable, at the election of the
      Company or a Holder thereof, in a coin or currency (including a composite
      currency) other than that in which such Securities are stated to be
      payable, the period or periods within which, and the terms and conditions
      upon which, such election may be made;

            (k) if denominated or payable in any coin or currency, including
      composite currencies, other than Dollars, or if the terms of the
      Securities provide that the principal amount thereof payable at maturity
      may be more or less than the principal face amount thereof at original
      issuance, the method by which the Securities of such series shall be
      valued, which may be any reasonable method, against the Securities of all
      other series for voting, the giving of any request, demand, authorization,
      direction, notice, consent or waiver, distribution and all other purposes
      hereof and any provisions required for purposes of applying Sections 6.01
      and 6.02 hereof;

            (l) if the amount of payments of principal of and premium, if any,
      or interest, if any, on the Securities of such series may be determined
      with reference to an index, the formula or other method (which may be
      based on one or more currencies (including a composite currency),
      commodities, equity indices or other indices), and the manner in which
      such amounts shall be determined;

            (m) if other than denominations of $1,000 and any integral multiple
      thereof, the denominations in which Securities of such series shall be
      issuable;

            (n) if other than the principal amount thereof, the portion of the
      principal amount of Securities of such series which shall be payable upon
      declaration of

                                      -15-
<PAGE>

      acceleration of the Maturity thereof pursuant to Section 7.02 hereof or
      the method by which such portion shall be determined;

            (o) any addition to, or modification or deletion of, any Event of
      Default or any covenant of the Company specified herein with respect to
      the Securities of such series;

            (p) if other than the rate of interest stated in the title of the
      Securities of such series, the applicable Overdue Rate;

            (q) if the Securities of such series do not bear interest, the
      applicable dates for purposes of Section 9.01 hereof;

            (r) the inapplicability to the Securities of such series of Section
      6.02 relating to satisfaction, discharge and defeasance of Securities or,
      if applicable, any modification to Section 6.02 with respect to the
      Securities of such series;

            (s) if other than U.S. Bank National Association is to act as
      Trustee for the Securities of such series, the name and Corporate Trust
      Office of such Trustee;

            (t) whether the Securities of such series shall be issued in whole
      or in part in the form of a Global Security or Securities and, in such
      case the terms and conditions, if any, upon which such Global Security or
      Securities may be exchanged in whole or in part for other definitive
      Securities, the Depositary for such Global Security or Securities (which
      shall be a clearing agency registered under the Exchange Act, or any other
      applicable statute or regulation, to the extent required thereunder),
      whether such Global Security shall be permanent or temporary, any
      limitations on the rights of the Holder or Holders to transfer or exchange
      the same or to obtain the registration of transfer thereof in addition to
      or in lieu of those set forth in Section 3.05, any limitations on the
      rights of the Holder or Holders thereof to obtain certificates in
      definitive form, and, the provisions for determining the aggregate
      principal amount of Outstanding Securities from time to time represented
      thereby and any and all matters incidental to such Global Security or
      Securities;

            (u) if the Securities of such series may be converted into or
      exchanged for other securities of the Company or any other Persons, the
      terms and conditions pursuant to which the Securities of such series may
      be converted or exchanged;

            (v) if the principal of or premium, if any, or interest, if any, on
      the Securities of such series are to be payable, at the election of the
      Company or a Holder thereof, in securities or other property, the type and
      amount of such securities or other property, or the method by which such
      amount shall be determined, and the periods within which, and the terms
      and conditions upon which, any such election may be made;

            (w) if the Securities of any such series are to be issuable as
      bearer securities, any and all matters incidental thereto;

                                      -16-
<PAGE>

            (x) if the Securities of such series are to be issued upon the
      exercise of a warrant or right, the time, manner and place for such
      Securities to be authenticated and delivered; and

            (y) any other terms of the Securities of such series (which terms
      shall conform to any applicable requirements of the TIA, and shall not
      materially adversely affect the rights of the Holders of Securities then
      outstanding).

            All Securities of any one series shall be substantially identical
except as to principal amount and except as may otherwise be established as
contemplated by this Section 3.01.

            Section 3.02. Denominations.

            Unless otherwise established as contemplated by Section 3.01, the
Securities of each series shall be issuable only in registered form without
coupons in such denominations as shall be established as contemplated by Section
3.01 or in the absence thereof, in denominations of $1,000 and any integral
multiple thereof.

            Section 3.03. Authentication and Dating.

            At any time and from time to time after the execution and delivery
of this Indenture, the Company may deliver Securities of any series executed by
the Company to the Trustee for authentication. Except as otherwise provided in
this Article, the Trustee shall thereupon authenticate and deliver, or cause to
be authenticated and delivered, said Securities pursuant to a Company Order. In
authenticating (or causing authentication of) such Securities, and accepting the
additional responsibilities under this Indenture in relation to such Securities,
the Trustee shall receive, prior to the authentication of such Securities, and
(subject to Sections 8.01 and 8.03 hereof) shall be fully protected in
conclusively relying upon:

            (a) a Board Resolution relating thereto and, if applicable, an
      appropriate record of any action taken pursuant to such resolution, in
      each case certified by the Secretary or an Assistant Secretary of the
      Company;

            (b) an executed supplemental indenture, if any, relating thereto;

            (c) an Officer's Certificate setting forth the form and terms of the
      Securities of such series as established as contemplated by Sections 2.01
      and 3.01 hereof (to the extent not set forth in the documents delivered
      pursuant to Subsection 3.03(a) or 3.03(b)) and stating that all conditions
      precedent provided for in this Indenture relating to the issuance of such
      Securities have been complied with, that no Event of Default with respect
      to the Securities of any Series has occurred and is continuing and that
      the issuance of such Securities is not and will not result in (i) an Event
      of Default or an event or condition which, upon the giving of notice or
      the lapse of time or both, would become an Event of Default or (ii) a
      default under the provisions of any other instrument or agreement by which
      the Company is bound; and

                                      -17-
<PAGE>

            (d)   an Opinion of Counsel stating

                  (i) that the form and terms of such Securities have been
            established as contemplated by Sections 2.01 and 3.01 in conformity
            with the provisions of this Indenture; and

                  (ii) that such Securities, when executed and delivered by the
            Company, and authenticated and delivered by or on behalf of the
            Trustee in the manner and subject to any conditions specified in
            such Opinion of Counsel, will constitute legal, valid and binding
            obligations of the Company, enforceable in accordance with their
            terms, subject to bankruptcy, insolvency, reorganization and other
            laws of general applicability relating to or affecting the
            enforcement of creditors' rights, to general principles of equity
            and to such other qualifications as such counsel shall conclude do
            not materially affect the rights of Holders of such Securities.

            The Trustee shall have the right to decline to authenticate and
deliver, or cause to be authenticated and delivered, any Securities under this
Section 3.03 if the Trustee, being advised by counsel, determines that such
action may not lawfully be taken or if the Trustee in good faith shall determine
that such action would expose the Trustee to personal liability to existing
Holders or would otherwise adversely affect its rights, duties, obligations or
immunities hereunder.

            Unless otherwise provided in the form of Securities of any
particular series, each Security shall be dated the date of its authentication.

            Section 3.04. Execution of Securities.

            The Securities shall be signed in the name and on behalf of the
Company by the manual or facsimile signatures of its Chairman of the Board, any
one of its Vice Chairmen, its President or any one of its Vice Presidents, under
its corporate seal (which may be printed, engraved or otherwise reproduced
thereon, by facsimile or otherwise) and attested to by its Secretary or any one
of its Assistant Secretaries, whose signatures may be manual or facsimile. Only
such Securities as shall bear thereon a certificate of authentication
substantially in the form hereinbefore recited, executed by or on behalf of the
Trustee by manual signature, shall be entitled to the benefits of this Indenture
or be valid or obligatory for any purpose. Such certificate by or on behalf of
the Trustee upon any Security executed by the Company shall be conclusive
evidence that the Security so authenticated has been duly authenticated and
delivered hereunder and that the Holder is entitled to the benefits of this
Indenture.

            In case any officer of the Company who shall have signed any of the
Securities shall cease to be such officer before the Securities so signed shall
have been authenticated and delivered by or on behalf of the Trustee, or
disposed of by the Company, such Securities nevertheless may be authenticated
and delivered or disposed of as though the person who signed such Securities had
not ceased to be such officer of the Company; and any Security may be signed on
behalf of the Company by such persons as, at the actual date of the execution of
such

                                      -18-
<PAGE>

Security, shall be the proper officers of the Company, although at the date of
the execution of this Indenture any such person was not such an officer.

            Section 3.05. Exchange and Registration of Transfer of Securities.

            Securities of any series (except for Global Securities, which may
only be exchanged in limited circumstances described below) may be exchanged for
a like aggregate principal amount of Securities of the same series of other
authorized denominations. Unless otherwise established as contemplated by
Section 3.01, Securities to be exchanged shall be surrendered at any of the
offices or agencies of the Company maintained as provided in Section 12.02
hereof for such purpose, and the Company shall execute and register, or cause to
be registered, and the Trustee shall authenticate and deliver, or cause to be
authenticated and delivered, in exchange therefor the Security or Securities
which the Holder making such exchange shall be entitled to receive.

            Unless otherwise established as contemplated by Section 3.01, the
Company shall keep at the office or agency in the same city in which the
Corporate Trust Office of the Trustee is located, a register for the Securities
of each series issued hereunder (the register maintained at such office or
agency and at any other office or agency of the Company in a Place of Payment
being herein collectively referred to as the "Securities Register") in which,
subject to such reasonable regulations as it may prescribe, the Company shall
provide for the registration of Securities of such series and registration of
transfer of such Securities as provided in this Article. Such Securities
Register shall be in written form or in any other form capable of being
converted into written form within a reasonable time. The Trustee is hereby
initially appointed "Securities Registrar" for the purpose of registering
Securities and registering transfers of Securities as herein provided. Upon due
presentment for registration of transfer of any Security of any series at any of
the offices or agencies of the Company maintained as provided in Section 12.02
hereof for such purpose, the Company shall execute and register, or cause to be
registered, and the Trustee shall authenticate and deliver, or cause to be
authenticated and delivered, in the name of the transferee or transferees a new
Security or Securities of the same series in authorized denominations for an
equal aggregate principal amount.

            Every Security issued upon registration of transfer or exchange of
Securities pursuant to this Section 3.05 shall be the valid obligation of the
Company, evidencing the same debt, and entitled to the same benefits under this
Indenture, as the Security or Securities surrendered upon registration of such
transfer or exchange.

            All Securities presented for registration of transfer or for
exchange, redemption or payment shall (if so required by the Company, the
Trustee or the Securities Registrar) be duly endorsed by, or be accompanied by,
a written instrument or instruments of transfer in form satisfactory to the
Company, the Trustee and the Securities Registrar duly executed by the Holder
thereof or his attorney duly authorized in writing.

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

                                      -19-
<PAGE>

exchange of Securities, other than exchanges pursuant to Section 3.07, 4.07 or
11.07 hereof not involving any transfer.

            The Company shall not be required (a) to issue, register the
transfer of or exchange any Security of any series during a period beginning at
the opening of business 15 days before the day of the mailing of a notice of
redemption of Securities of such series and ending at the close of business on
the day of such mailing or (b) to register the transfer of or exchange any
Security selected for redemption in whole or in part, except, in the case of any
Security to be redeemed in part, the portion thereof not to be redeemed.

            Each Global Security authenticated under this Indenture shall be
registered in the name of the Depositary designated for such Global Security or
a nominee thereof and delivered to such Depositary or a custodian therefor, and
each such Global Security shall constitute a single Security for all purposes of
this Indenture. Notwithstanding the foregoing and except as otherwise specified
as contemplated by Section 3.01, no Global Security shall be registered for
transfer or exchange, or authenticated or delivered, pursuant to this Section
3.05 or Sections 3.06, 3.07, 4.07 or 11.07 in the name of a Person other than
the Depositary for such Security or its nominee until (i) the Depositary with
respect to a Global Security notifies the Company in writing that it is
unwilling or unable to continue as Depositary for such Global Security or the
Depositary ceases to be a clearing agency registered under the Exchange Act or
other applicable statute or regulation if required thereunder, and the Company
notifies the Trustee that it is unable to locate a qualified successor
Depositary, (ii) the Company executes and delivers to the Trustee a Company
Order that such Global Security shall be so transferable and exchangeable or
(iii) there shall have occurred and be continuing an Event of Default with
respect to the Securities of such Series. Upon the occurrence in respect of any
Global Security of any series of any one or more of the conditions specified in
clauses (i), (ii) or (iii) of the preceding sentence or such other conditions as
may be specified as contemplated by Section 3.01 for such series, such Global
Security may be registered for transfer or exchange for Securities registered in
the names of, or authenticated and delivered to, such Persons as the Depositary
with respect to such series shall instruct the Trustee in writing. The Trustee,
upon receipt of such instruction, will authenticate and deliver Securities of
such series of like tenor and terms in definitive form in an aggregate principal
amount equal to the principal amount of the Global Security or Securities
representing such series in exchange for such Global Security or Securities.

            Except as provided in the preceding paragraph, any Security
authenticated and delivered upon registration of transfer or, or in exchange
for, or in lieu of, any Global Security or any portion thereof, whether pursuant
to this Section 3.05, Section 3.06, 3.07, 4.07 or 11.07 or otherwise, shall also
be a Global Security. Notwithstanding any other provision of this Indenture, a
Global Security may not be transferred except as a whole by the Depositary for
such Global Security to a nominee of such Depositary or to another Depositary or
a nominee thereof or by a nominee of such Depositary to such Depositary or
another nominee of such Depositary or to another Depositary or a nominee
thereof.

            Upon such terms established as contemplated by Section 3.01 with
respect to the Securities of any series, the Depositary for the Securities of
such series may surrender a Global Security for such series in exchange in whole
or in part for Securities of such series of like tenor and terms and in
definitive form. Thereupon the Company shall execute, and the Trustee upon

                                      -20-
<PAGE>

receipt of a Company Order shall authenticate and deliver, without service
charge, (i) to the Depositary or to each Person specified by such Depositary a
new Security or Securities of the same series, of like tenor and terms in
definitive form and of any authorized denomination as requested by such Person
in aggregate principal amount equal to and in exchange for such Person's
beneficial interest in the Global Security, and (ii) to such Depositary a new
Global Security of like tenor and terms and in a principal amount equal to the
difference, if any, between the principal amount of the surrendered Global
Security and the aggregate principal amount of Securities delivered pursuant to
clause (i).

            Upon the exchange of a Global Security for Securities in definitive
form, such Global Security shall be cancelled by the Trustee. Definitive
Securities issued in exchange for a Global Security pursuant to this Section
shall either be in global form, established as contemplated by Sections 2.01 and
3.01, or shall be registered in such names and in such authorized denominations
and delivered to the Depositary or to such Persons at such addresses as the
Depositary for such Global Security, pursuant to instructions from its direct or
indirect participants or otherwise, shall instruct the Trustee in writing.

            Section 3.06. Mutilated, Destroyed, Lost or Stolen Securities.

            In case any temporary or definitive Security of any series shall
become mutilated or be destroyed, lost or stolen, and in the absence of notice
to the Company or the Trustee that such Security has been acquired by a bona
fide purchaser, the Company in the case of a mutilated Security shall, and in
the case of a lost, stolen or destroyed Security may in its discretion, execute,
and upon a Company Request the Trustee shall authenticate and deliver, or cause
to be authenticated and delivered, a new Security of the same series bearing a
number, letter or other distinguishing symbol not contemporaneously outstanding,
in exchange and substitution for the mutilated Security, or in lieu of and in
substitution for the Security so destroyed, lost or stolen, or if any such
Security shall have become due and payable or shall be about to become due and
payable, instead of issuing a substituted Security, the Company may pay or
authorize the payment of the same without surrender thereof (except in the case
of a mutilated Security). In every case the applicant for a substituted Security
shall furnish to the Company and to the Trustee such security or indemnity as
may be required by them to save each of them harmless, and, in every case of
destruction, loss or theft, the applicant shall also furnish to the Company and
to the Trustee evidence to their satisfaction of the destruction, loss or theft
of such Security and of the ownership thereof.

            Upon the issuance of any substituted Security under this Section
3.06, the Company may require the payment of a sum sufficient to cover any tax
or other governmental charge that may be imposed in relation thereto and any
other expenses (including the fees and expenses of the Trustee and any
Authenticating Agent) connected therewith.

            Every substituted Security of any series issued pursuant to the
provisions of this Section 3.06 by virtue of the fact that any Security of such
series is destroyed, lost or stolen shall constitute an additional contractual
obligation of the Company, whether or not the destroyed, lost or stolen Security
shall be at any time enforceable by anyone, and shall be entitled to all the
benefits of this Indenture equally and proportionately with any and all other
Securities of that series duly issued hereunder. All Securities shall be held
and owned upon the express condition

                                      -21-
<PAGE>

that the foregoing provisions of this Section 3.06 are exclusive with respect to
the replacement or payment of mutilated, destroyed, lost or stolen Securities
and shall preclude (to the extent lawful) any and all other rights or remedies
with respect to the replacement or payment of negotiable instruments or other
securities without their surrender.

            Section 3.07. Temporary Securities.

            Pending the preparation of definitive Securities of any series the
Company may execute and the Trustee shall authenticate and deliver, or cause to
be authenticated and delivered, temporary Securities of such series (printed,
lithographed, typewritten, mimeographed or otherwise produced). Temporary
Securities shall be issuable in any authorized denomination and substantially in
the form of the definitive Securities in lieu of which they are issued but with
such omissions, insertions and variations as may be appropriate for temporary
Securities, all as may be determined by the Company with the concurrence of the
Trustee. Every such temporary Security shall be executed by the Company and
shall be authenticated by or on behalf of Trustee upon the same conditions and
in substantially the same manner, and with the same effect, as the definitive
Securities in lieu of which they are issued. Without unreasonable delay the
Company will execute and deliver to the Trustee definitive Securities of such
series and thereupon any or all temporary Securities of such series may be
surrendered in exchange therefor, at any of the offices or agencies of the
Company maintained as provided in Section 12.02 hereof for such purpose, and the
Trustee shall authenticate and deliver, or cause to be authenticated and
delivered, in exchange for such temporary Securities an equal aggregate
principal amount of definitive Securities of such series. Such exchange shall be
made by the Company at its own expense and without any charge therefor except
that in case of any such exchange involving any registration of transfer the
Company may require payment of a sum sufficient to cover any tax or other
governmental charge that may be imposed in relation thereto. Until so exchanged,
the temporary Securities of any series shall in all respects be entitled to the
same benefits under this Indenture as definitive Securities of such series
authenticated and delivered hereunder. Notwithstanding the foregoing provisions
of this Section 3.07, Global Securities may remain in temporary form and, unless
otherwise established as contemplated by Section 3.01, shall not be exchangeable
for definitive Global Securities.

            Section 3.08. Payment of Interest; Interest Rights Preserved.

            The Holder at the close of business on any record date with respect
to any Interest Payment Date shall be entitled to receive the interest, if any,
payable on such Interest Payment Date notwithstanding the cancellation of such
Securities upon any transfer or exchange subsequent to the record date and prior
to such Interest Payment Date. Except as otherwise established as contemplated
by Section 3.01 for Securities of a particular series, the term "record date" as
used in this Section 3.08 with respect to any Interest Payment Date, shall mean
the last day of the calendar month preceding such Interest Payment Date if such
Interest Payment Date is the fifteenth day of the calendar month, and shall mean
the fifteenth day of the calendar month preceding such Interest Payment Date if
such Interest Payment Date is the first day of the calendar month, whether or
not such day shall be a Business Day.

            If and to the extent the Company shall default in the payment of the
interest due on such Interest Payment Date, such defaulted interest (herein
called "Defaulted Interest") shall

                                      -22-
<PAGE>

forthwith cease to be payable to the registered Holder on such record date by
virtue of having been such Holder; and such Defaulted Interest shall be paid by
the Company, at its election in each case, as provided in clause (a) or (b)
below:

                  (a) The Company may make payment of any Defaulted Interest to
            the Holders entitled thereto at the close of business on a
            subsequent record date established in the following manner. The
            Company shall notify the Trustee in writing of the amount of
            Defaulted Interest proposed to be paid on each applicable Security
            and the date of the proposed payment, and at the same time the
            Company shall deposit with the Trustee an amount of money equal to
            the aggregate amount proposed to be paid in respect of such
            Defaulted Interest or shall make arrangements satisfactory to the
            Trustee for such deposit prior to the date of the proposed payment,
            such money when deposited to be held in trust for the benefit of the
            Holders entitled to such Defaulted Interest as in this clause (a)
            provided. Thereupon the Trustee shall fix a record date for the
            payment of such Defaulted Interest which shall not be more than 15
            days and not less than 10 days prior to the date of the proposed
            payment and not less than 10 days after the receipt by the Trustee
            of the notice of the proposed payment. The Trustee shall promptly
            notify the Company of such record date and, in the name and at the
            expense of the Company, shall cause notice of the proposed payment
            of such Defaulted Interest and the record date therefor to be
            mailed, first-class postage prepaid, to each Holder entitled thereto
            at his address as it appears on the Securities Register, not less
            than 10 days prior to such record date. Notice of the proposed
            payment of such Defaulted Interest and the record date therefor
            having been mailed as aforesaid, such Defaulted Interest shall be
            paid to the Holders of applicable Securities at the close of
            business on such record date (notwithstanding the cancellation of
            such Securities upon any transfer or exchange subsequent to such
            record date and prior to such payment) and shall no longer be
            payable pursuant to the following clause (b).

                  (b) The Company may make payment of any Defaulted Interest on
            the Securities of any series in any other lawful manner not
            inconsistent with the requirements of any securities exchange on
            which the Securities of such series may be listed, and upon such
            notice as may be required by such exchange, if, after notice given
            by the Company to the Trustee of the proposed payment pursuant to
            this clause (b), such manner of payment shall be deemed practicable
            by the Trustee. Subject to the foregoing provisions of this Section
            3.08, each Security delivered under this Indenture upon registration
            of transfer of or in exchange for or in lieu of any other Security
            shall carry the rights to interest accrued and unpaid, and to
            accrue, which were carried by such other Security.

                  Section 3.09. Persons Deemed Owners.

                  Prior to the due presentment for registration of transfer, the
Company, the Trustee and any agent of the Company or the Trustee may treat the
Person in whose name any Security is registered as the owner of such Security
for the purpose of receiving payment of principal of and premium, if any and
(subject to Section 3.08 hereof) interest, if any, on such Security and for all
other purposes whatsoever, whether or not such Security be overdue, and neither
the Company, the Trustee nor any agent of the Company or the Trustee shall be
affected by notice to the contrary.

                                      -23-
<PAGE>

            None of the Company, the Trustee, any Paying Agent or the Securities
Registrar shall have any responsibility or liability for any aspect of the
records relating to or payments made on account of beneficial ownership
interests in a Global Security or for maintaining, supervising or reviewing any
records relating to such beneficial ownership interests and they shall be
protected in acting or refraining from acting on any such information provided
by the Depositary.

            Section 3.10. Cancellation.

            All Securities surrendered for the purpose of payment, redemption,
exchange or registration of transfer or for credit against any sinking fund
shall, if surrendered to the Company or any Paying Agent or any Securities
Registrar, be surrendered to the Trustee and promptly cancelled by it, or, if
surrendered to the Trustee, shall be promptly cancelled by it, and no Securities
shall be issued in lieu thereof except as expressly permitted by any of the
provisions of this Indenture. The Trustee shall dispose of cancelled Securities
in accordance with its customary procedures. If the Company shall acquire any of
the Securities, however, such acquisition shall not operate as a redemption or
satisfaction of the indebtedness represented by such Securities unless and until
the same are surrendered to the Trustee for cancellation.

            Section 3.11. Computation of Interest.

            Except as otherwise established as contemplated by Section 3.01
hereof for Securities of any series, interest on the Securities shall be
computed on the basis of a 360-day year of twelve 30-day months.

            Section 3.12 CUSIP Numbers.

            The Company in issuing the Securities may use "CUSIP" numbers (if
then generally in use), and, if so, the Trustee shall use "CUSIP" numbers in
notices of redemption as a convenience to Holders; provided that any such notice
may state that no representation is made as to the correctness of such numbers
either as printed on the Securities or as contained in any notice of a
redemption and that reliance may be placed only on the other identification
numbers printed on the Securities, and any such redemption shall not be affected
by any defect in or omission of such numbers. The Company will promptly notify
the Trustee in writing of any change in the "CUSIP" numbers.

                                  ARTICLE FOUR

                            REDEMPTION OF SECURITIES

            Section 4.01. Applicability of Article.

            The provisions of this Article shall be applicable to all Securities
which are redeemable before their Stated Maturity except as otherwise
established as contemplated by Section 3.01 hereof for Securities of any series.

            Section 4.02. Election to Redeem; Notice to Trustee.

            The election of the Company to redeem any Securities of any series
shall be evidenced by or pursuant to a Board Resolution. In case of any
redemption at the election of the Company of the Securities of a series, the
Company shall, at least 60 days prior to the Redemption Date fixed by the
Company (unless a shorter notice shall be satisfactory to the Trustee) deliver
to the Trustee an Officer's Certificate setting forth such Redemption Date and
the principal amount of Securities of such series to be redeemed and stating
that no default in payment of interest or Event of Default has occurred and is
continuing with respect to the Securities of such series.

                                      -24-
<PAGE>

            Section 4.03. Selection by Trustee of Securities to Be Redeemed.

            If less than all the Securities of any series are to be redeemed,
the particular Securities of such series to be redeemed shall be selected not
more than 60 days prior to the Redemption Date by the Trustee, from the
Outstanding Securities of such series not previously called for redemption, by
such method as the Trustee shall deem fair and appropriate (which is in
compliance with the requirements of any national securities exchange on which
such Securities are listed) and which may provide for the selection for
redemption of portions (equal to the minimum authorized denomination for
Securities of such series or any integral multiple thereof) of the principal of
Securities of a denomination greater than the minimum authorized denomination
for Securities of such series.

            The Trustee shall promptly notify the Company in writing of the
Securities selected for redemption and, in the case of any Security selected for
partial redemption, the principal amount thereof to be redeemed.

            For all purposes of this Indenture, unless the context otherwise
requires, all provisions relating to the redemption of Securities shall relate,
in the case of any Security redeemed or to be redeemed only in part, to the
portion of the principal amount of such Security which has been or is to be
redeemed, whether or not such provisions so provide.

            Section 4.04. Notice of Redemption.

            Notice of redemption shall be given 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 Securities to be redeemed, at his address appearing in
the Securities Register. Neither the failure to mail such notice, nor any defect
in any notice so mailed, to any particular Holder shall affect the sufficiency
of such notice with respect to other Holders.

            All notices of redemption shall identify the Securities to be
redeemed (including CUSIP Number(s)) and shall state:

            (a) the Redemption Date,

            (b) the Redemption Price, and accrued interest, if any,

            (c) if less than all Outstanding Securities of any series are to be
      redeemed, the identification (and, in the case of partial redemption, the
      respective principal amounts) of the Securities of such series to be
      redeemed,

            (d) that on the Redemption Date the Redemption Price, together with
      accrued interest, if any, to the Redemption Date, will become due and
      payable upon each such Security, and that interest thereon shall cease to
      accrue from and after said date,

            (e) the place where such Securities are to be surrendered for
      payment of the Redemption Price, and accrued interest, if any, and

            (f) that the redemption is for a sinking fund, if that be the case.

                                      -25-
<PAGE>

            Notice of redemption of the Securities to be redeemed at the
election of the Company shall be given by the Company or, at the Company's
request, by the Trustee in the name and at the expense of the Company.

            Section 4.05. Deposit of Redemption Price.

            At or before 11:00 a.m. New York City time any Redemption Date, the
Company shall deposit with the Trustee or with a Paying Agent (or, if the
Company is acting as its own Paying Agent, segregate and hold in trust as
provided in Section 12.03 hereof) an amount of money sufficient to pay the
Redemption Price of, and accrued interest, if any, on, all the Securities or
portions thereof which are to be redeemed on that date.

            Section 4.06. Securities Payable on Redemption Date.

            Notice of redemption having been given as aforesaid, the Securities
or portions thereof so to be redeemed shall, on the Redemption Date, become due
and payable at the Redemption Price thereof together with accrued interest, if
any, thereon to the Redemption Date, and from and after such date (unless the
Company shall default in the payment of the Redemption Price and such accrued
interest, if any) such Securities or portions thereof shall cease to bear
interest. Upon surrender of such Securities for redemption in accordance with
said notice such Securities or specified portions thereof shall be paid by the
Company at the Redemption Price, together with any accrued interest to the
Redemption Date. Installments of interest whose Stated Maturity is on or prior
to the Redemption Date shall be payable to the Holders of such Securities
registered as such on the relevant record dates according to their terms and the
provisions of Section 3.08 hereof.

            If any Security called for redemption shall not be so paid upon
surrender thereof on such Redemption Date, the principal and premium, if any,
shall, until paid, bear interest from the Redemption Date at the rate borne by
the Security.

            Section 4.07. Securities Redeemed in Part.

            Security of any series which is to be redeemed only in part shall be
surrendered at the Place of Payment (with, if the Company or the Trustee so
requires, due endorsement by, or a written instrument of transfer in form
satisfactory to the Company and the Trustee duly executed by, the Holder thereof
or his attorney duly authorized in writing) and the Company shall execute and
the Trustee shall authenticate and deliver, or cause to be authenticated and
delivered, to the Holder of such Security without service charge, a new Security
or Securities of the same series of any authorized denomination as requested by
such Holder in aggregate principal amount equal to and in exchange for the
unredeemed portion of the principal amount of the Security so surrendered.

                                      -26-
<PAGE>

                                  ARTICLE FIVE

                                  SINKING FUNDS

            Section 5.01. Applicability of Article.

            The provisions of this Article shall be applicable to any sinking
fund for the retirement of Securities except as otherwise established as
contemplated by Section 3.01 for Securities of any series.

            The minimum amount of any sinking fund payment established as
contemplated by Section 3.01 for Securities of any series is herein referred to
as a "mandatory sinking fund payment," and any permitted payment in excess of
such minimum amount established as contemplated by Section 3.01 for Securities
of any series is herein referred to as an "optional sinking fund payment."

            Section 5.02. Satisfaction of Mandatory Sinking Fund Payments with
Securities.

            In lieu of making all or any part of any mandatory sinking fund
payment with respect to any Securities of a series in cash, the Company may at
its option (a) deliver to the Trustee Securities of that series theretofore
purchased or otherwise acquired by the Company, or (b) receive credit for the
principal amount of Securities of that series which have been redeemed either at
the election of the Company pursuant to the terms of such Securities or through
the application of permitted optional sinking fund payments pursuant to the
terms of such Securities; provided that such Securities have not been previously
so credited. Such Securities shall be received and credited for such purpose by
the Trustee at the Redemption Price specified in such Securities for redemption
through operation of the sinking fund and the amount of such mandatory sinking
fund payment shall be reduced accordingly.

            Section 5.03. Redemption of Securities for Sinking Fund.

            Not less than 60 days prior to each sinking fund payment date for
the Securities of any series, the Company will deliver to the Trustee a
certificate signed by the Treasurer or any Assistant Treasurer of the Company
specifying the amount of such next ensuing mandatory sinking fund payment, the
portion thereof, if any, which is to be satisfied by payment of cash and the
portion thereof, if any, which is to be satisfied by delivering and crediting
Securities of such series pursuant to Section 5.02 (which Securities will
accompany such certificate) and whether the Company intends to make any
permitted optional sinking fund payment in connection therewith. Such
certificate shall also state that no Event of Default has occurred and is
continuing with respect to Securities of such series. Such certificate shall be
irrevocable and upon its delivery the Company shall be obligated to make the
cash payment or payments therein referred to, if any, on or before the next
succeeding sinking fund payment date. In the case of the failure of the Company
to deliver such certificate when due (or to deliver the Securities specified in
this Section 5.03) the sinking fund payment due on the next succeeding sinking
fund payment date for Securities of that series shall be paid entirely in cash
and shall be sufficient to redeem the principal amount of such Securities
subject to a mandatory sinking fund payment without the

                                      -27-
<PAGE>

option to deliver or credit Securities as provided in Section 5.02 and without
the right to make any optional sinking fund payment, in connection therewith.

            Any sinking fund payment or payments (mandatory or optional) with
respect to the Securities of any particular series made in cash plus any unused
balance of any preceding sinking fund payments with respect to Securities of
such series made in cash which shall equal or exceed $100,000 or the equivalent
thereof in the Foreign Currency in which such series is denominated (or a lesser
sum if the Company shall so request) shall be applied by the Trustee on the
sinking fund payment date on which such payment is made (or, if such payment is
made before a sinking fund payment date, on the sinking fund payment date
following the date of such payment) to the redemption of such Securities at the
Redemption Price specified in such Securities for operation of the sinking fund
together with accrued interest, if any, to the date fixed for redemption. Any
sinking fund moneys not so applied or allocated by the Trustee to the redemption
of such Securities shall be added to the next cash sinking fund payment received
by the Trustee for Securities of such series and, together with such payment,
shall be applied in accordance with the provisions of this Section 5.03. Any and
all sinking fund moneys with respect to the Securities of any particular series
held by the Trustee on the last sinking fund payment date with respect to
Securities of such series and not held for the payment or redemption of
particular Securities shall be applied by the Trustee, together with other
moneys, if necessary, to be deposited sufficient for the purpose, to the payment
of the principal of the Securities of such series at Maturity.

            The Trustee shall select the Securities to be redeemed upon such
sinking fund payment date in the manner specified in the first paragraph of
Section 4.03 hereof and the Company shall cause notice of the redemption thereof
to be given in the manner provided in Section 4.04 hereof. Such notice having
been duly given, the redemption of such Securities shall be made upon the terms
and in the manner stated in Sections 4.06 and 4.07 hereof.

            On or before any sinking fund payment date, the Company shall
deposit with the Trustee an amount of money sufficient to pay any interest
accrued to the Redemption Date for Securities or portions thereof to be redeemed
on such sinking fund payment date pursuant to this Section 5.03.

            The Trustee shall not redeem any Securities of any series with
sinking fund moneys or mail any notice of redemption of Securities of such
series by operation of the sinking fund therefor during the continuance of a
default in payment of interest on Securities of such series or of any Event of
Default (other than an Event of Default occurring as a consequence of this
paragraph) with respect to Securities of such series, except that if the notice
of redemption of any Securities of such series shall theretofore have been
mailed in accordance with the provisions hereof, the Trustee shall redeem such
Securities if cash sufficient for that purpose shall be deposited with the
Trustee for that purpose in accordance with the terms of this Article. Except as
aforesaid, any moneys in the sinking fund for Securities of such series at the
time when any such default or Event of Default shall occur and any moneys
thereafter paid into such sinking fund shall, during the continuance of such
default or Event of Default, be held as security for the payment of such
Securities; provided, however, that in case such Event of Default or default
shall have been cured or waived as, provided herein, such moneys shall
thereafter be

                                      -28-
<PAGE>

applied on the next sinking fund payment date for such Securities on which such
moneys may be applied pursuant to the provisions of this Section 5.03.

                                  ARTICLE SIX

                           SATISFACTION AND DISCHARGE

            Section 6.01. Satisfaction and Discharge of Indenture.

            This Indenture shall cease to be of further effect with respect to
the Securities of any series (except as to the rights of Holders of Outstanding
Securities of such series to receive, from the trust funds described in
paragraph (a) of this Section 6.01, payment of the principal of, premium, if
any, and interest, if any, on such Outstanding Securities on the Stated Maturity
of such principal, premium, if any, or installment of interest, if any, the
Company's obligations with respect to such Outstanding Securities of such series
under Sections 3.05, 3.06, 6.05 and 12.02 as may be applicable to Outstanding
Securities of such series, and the rights, powers, trusts, duties, indemnities
and immunities of the Trustee hereunder), and the Trustee for the Securities of
such series, on demand of and at the expense of the Company, shall execute
proper instruments acknowledging satisfaction and discharge of this Indenture
with respect to the Securities of such series, when

            (a)   either

                  (i)   all the Securities of such series theretofore
            authenticated and delivered (other than (A) Securities of such
            series which have been destroyed, lost or stolen and which have been
            replaced or paid as provided in Section 3.06 hereof and (B)
            Securities of such series for whose payment money has theretofore
            been deposited with the Trustee or the Paying Agent for the
            Securities of such series in trust or segregated and held in trust
            by the Company and thereafter repaid to the Company or discharged
            from such trust, as provided in Section 6.05 hereof) have been
            delivered to such Trustee for cancellation; or

                  (ii)  all Securities of such series not theretofore delivered
            to such Trustee for cancellation

                        (A) have become due and payable, or

                        (B) will become due and payable at their Stated Maturity
                  within one year, or

                        (C) are to be called for redemption within one year
                  under arrangements satisfactory to such Trustee for the giving
                  of notice of redemption by such Trustee in the name, and at
                  the expense, of the Company,

            and the Company has deposited or caused to be deposited with such
            Trustee irrevocably as trust funds in trust, specifically pledged as
            security for, and dedicated solely to, the benefit of the Holders of
            all Outstanding Securities of

                                      -29-
<PAGE>

            such series, with reference to this Section 6.01, (i) money in an
            amount in the currency in which the Securities of such series are
            denominated or (ii) U.S. Government Obligations in the case of
            Securities denominated in Dollars or obligations issued or
            guaranteed by the government which issued the currency in which the
            Securities of such series are denominated in the case of Securities
            denominated in Foreign Currencies, which through the payment of
            interest and principal in respect thereof in accordance with their
            terms will provide, not later than the opening of business on the
            due date of any payment referred to below, money in an amount in the
            currency in which the Securities of such series are denominated, or
            (iii) a combination thereof, sufficient, in the opinion of a
            nationally recognized firm of independent public accountants
            expressed in a written certification thereof delivered to the
            Trustee, to pay and discharge the entire indebtedness on all
            Outstanding Securities of such series not theretofore delivered to
            such Trustee for cancellation, for principal (and premium, if any)
            and interest, if any, to the date of such deposit (in the case of
            Securities of such series which have become due and payable), or to
            the Stated Maturity or Redemption Date, as the case may be;

            (b) the Company has paid or caused to be paid all other sums payable
      hereunder by the Company in connection with Outstanding Securities of such
      series, including all fees and expenses of the Trustee for such series;
      and

            (c) the Company has delivered to such Trustee an Officer's
      Certificate and an Opinion of Counsel each stating that all conditions
      precedent herein provided for relating to the satisfaction and discharge
      of this Indenture have been complied with.

            Notwithstanding the satisfaction and discharge of this Indenture
with respect to the Securities of any series, the obligations of the Company
with respect to Securities of any other series and to the Trustee for the
Securities of such series under Section 8.07 hereof shall survive.

            Section 6.02. Satisfaction, Discharge and Defeasance of Securities
of any Series.

            Unless otherwise established, as contemplated by Section 3.01, with
respect to Securities of any series, the Company shall, notwithstanding Section
6.01, be deemed to have paid and discharged the entire indebtedness on all the
Outstanding Securities of any such series from and after the ninety-first day
after the date of the deposit referred to in paragraph (a) below, the provisions
of this Indenture (except as to the rights of Holders of Outstanding Securities
of such series to receive, from the trust funds described in paragraph (a)
below, payment of the principal of, premium, if any, and interest, if any, on
such Outstanding Securities on the Stated Maturity of such principal, premium,
if any, or installment of interest, if any, the Company's obligations with
respect to such Outstanding Securities of such series under Sections 3.05, 3.06,
6.05 and 12.02 as may be applicable to Outstanding Securities of such series,
and the rights, powers, trusts, duties, indemnities and immunities of the
Trustee hereunder) shall no longer be in effect in respect of Outstanding
Securities of such series, and the Trustee, at the expense of the Company, shall
execute proper instruments acknowledging satisfaction and discharge of such
indebtedness; provided that the following conditions shall have been satisfied:

                                      -30-
<PAGE>

            (a) the Company is permitted pursuant to Article Thirteen to deposit
      or cause to be deposited and has deposited or caused to be deposited with
      the Trustee irrevocably as trust funds in trust, specifically pledged as
      security for, and dedicated solely to, the benefit of the Holders of all
      Outstanding Securities of such series, with reference to this Section
      6.02, (i) money in an amount in the currency in which the Securities of
      such series are denominated or (ii) U.S. Government Obligations in the
      case of Securities denominated in Dollars or obligations issued or
      guaranteed by the government which issued the currency in which the
      Securities are denominated in the case of Securities denominated in
      Foreign Currencies, which through the payment of interest and principal in
      respect thereof in accordance with their terms will provide, not later
      than the opening of business on the due date of any payment referred to in
      this paragraph (a), money in an amount in the currency in which the
      Securities of such series are denominated, or (iii) a combination thereof,
      sufficient, in the opinion of a nationally recognized firm of independent
      public accountants expressed in a written certification thereof delivered
      to the Trustee, to pay and discharge the entire indebtedness on all
      Outstanding Securities of such series for principal, premium, if any, and
      interest, if any, to the Stated Maturity as such principal, premium, if
      any, or interest, if any, becomes due and payable in accordance with the
      term of this Indenture and the Securities of such series; provided,
      however, the Company shall not make or cause to be made the deposit
      provided by this clause (a) unless the Company shall have delivered to the
      Trustee an Opinion of Counsel to the effect that there will not occur any
      violation of the Investment Company Act of 1940, as amended, on the part
      of the Company, the trust funds representing such deposit or the Trustee
      as a result of such deposit and the related exercise of the Company's
      option under this Section 6.02;

            (b) the Company has paid or caused to be paid all other sums payable
      hereunder by the Company in connection with the Outstanding Securities of
      such series, including all fees and expenses of the Trustee for such
      series; and

            (c) the Company has delivered to the Trustee an Officer's
      Certificate and an Opinion of Counsel, each stating that all conditions
      precedent herein provided for relating to the satisfaction and discharge
      of the entire indebtedness on all Outstanding Securities of such series
      have been complied with.

            Section 6.03. Application of Trust Money.

            (a) Subject to the provisions of Section 6.05, all money, U.S.
      Government Obligations and other government obligations deposited with the
      Trustee for the Securities of any series pursuant to Section 6.01 or 6.02,
      and all money received by the Trustee in respect of U.S. Government
      Obligations and such other government obligations deposited with the
      Trustee for the Securities of any series pursuant to Section 6.01 or 6.02
      shall be held in trust and applied by it, in accordance with the
      provisions of the Securities of such series and this Indenture, to the
      payment, either directly or through any Paying Agent (including the
      Company acting as its own Paying Agent) as the Trustee may determine, to
      the Persons entitled thereto, of the principal of, premium, if any, and
      interest, if any, on the Securities of such series; but such money need
      not be segregated from other funds except to the extent required by law
      and the

                                      -31-
<PAGE>

      Trustee shall have no liability to pay interest thereon or for the
      investment thereof. Money and securities so held in trust are not subject
      to Article Thirteen.

            (b) The Trustee shall deliver or pay to the Company from time to
      time upon Company request any U.S. Government Obligations, other
      government obligations or money held by it as provided in Sections 6.01
      and 6.02 which, in the opinion of a nationally recognized firm of
      independent public accountants expressed in a written certification
      thereof delivered to the Trustee, are then in excess of the amount thereof
      which then would have been required to be deposited for the purpose for
      which such U.S. Government Obligations, other government obligations or
      money were deposited or received.

            Section 6.04. Paying Agent to Repay Moneys Held.

            Upon the satisfaction and discharge of this Indenture all moneys
then held by any Paying Agent under the provisions of this Indenture shall, upon
demand of the Company, be repaid to it or paid to the appropriate Trustee, and
thereupon such Paying Agent shall be released from all further liability with
respect to such moneys.

            Section 6.05. Return of Unclaimed Moneys.

            Any moneys deposited with or paid to the Trustee or any Paying Agent
for the Securities of any series pursuant to this Article, or then held by the
Company, in trust for the payment of the principal of and premium, if any, or
interest, if any, on Securities of such series and not applied but remaining
unclaimed by the Holders of Securities of such series for two years after the
date upon which the principal of and premium, if any, or interest, if any, on
such Securities, as the case may be, shall have become due and payable, shall,
unless otherwise required by mandatory provisions of applicable escheat or
abandoned or unclaimed property law, be repaid to the Company by such Trustee or
any Paying Agent on demand or (if then held by the Company) shall be discharged
from such trust; and the Holder of any such Securities entitled to receive such
payment shall thereafter look only to the Company for the payment thereof.

                                  ARTICLE SEVEN

                                    REMEDIES

            Section 7.01. Events of Default.

            "Event of Default" whenever used herein with respect to Securities
of any series means any one of the following events and such other events as may
be established with respect

                                      -32-
<PAGE>

to the Securities of such series as contemplated by Section 3.01 hereof,
continued for the period of time, if any, and after the giving of notice, if
any, designated herein or therein, as the case may be, unless the same is either
not applicable to the Securities of such series or is deleted or modified in the
terms of the Securities of such series established as contemplated by Section
3.01 hereof:

            (a) default in the payment of any interest upon any Security of such
      series when the same becomes due and payable, whether or not such payment
      shall be prohibited by Article Thirteen, and continuance of such default
      for a period of 30 days; or

            (b) default in the payment of all or any part of the principal of
      (or premium, if any, on) any Security of such series at its Maturity,
      whether or not such payment shall be prohibited by Article Thirteen; or

            (c) default in the making or satisfaction of any sinking fund
      payment or analogous obligation when the same becomes due and payable by
      the terms of the Securities of such series; or

            (d) default in the performance, or breach, of any covenant or
      warranty of the Company in respect of the Securities of such series
      contained in this Indenture or in such Securities (other than a covenant
      or warranty in respect of the Securities of such series a default in whose
      performance or whose breach is elsewhere in this Section 7.01 specifically
      dealt with) or established as contemplated by Section 3.01 hereof for the
      Securities of such series, and continuance of such default or breach for a
      period of 90 days after there has been given, by registered or certified
      mail, to the Company by the Trustee for the Securities of such series, or
      to the Company and such Trustee by the Holders of at least 25% in
      principal amount of the Outstanding Securities of such series, 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 entry of a decree or order by a court having jurisdiction in
      the premises adjudging the Company a bankrupt or insolvent, or approving
      as properly filed a petition seeking reorganization, arrangement,
      adjustment or composition of or in respect of the Company under Title II
      of the United States Code as now constituted or hereafter amended (the
      "Federal Bankruptcy Code") or any other applicable Federal or State law,
      or appointing a receiver, liquidator, assignee, trustee, sequestrator (or
      other similar official) of the Company or of any substantial part of its
      property, or ordering the winding up or liquidation of its affairs, and
      the continuance of any such decree or order unstayed and in effect for a
      period of 60 consecutive days; or

            (f) the institution by the Company 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 the
      Federal Bankruptcy Code or any other applicable Federal or State 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 other
      similar official) of the Company or of any substantial part of its
      property, or the making by it of

                                      -33-
<PAGE>

      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, or
      the taking of corporate action by the Company in furtherance of any such
      action; or

            (g) any other Event of Default established as contemplated by
      Section 3.01 hereof for Securities of such series.

            Section 7.02. Acceleration of Maturity; Rescission and Annulment.

            If an Event of Default with respect to Securities of any series at
the time outstanding occurs and is continuing, then and in each and every such
case, unless the principal of all of the Securities of such series shall have
already become due and payable, the Trustee or the Holders of not less than 25%
in aggregate principal amount of the Outstanding Securities of such series may
declare the principal amount (or, if the Securities of such series are Original
Issue Discount Securities, such portion of the principal amount as may be
specified in the terms of such series) of all the Securities of such series to
be due and payable immediately, by a notice in writing to the Company (and to
the Trustee if given by Holders), and upon any such declaration of acceleration
the same shall become immediately due and payable, anything in this Indenture or
in the Securities of such series or any resolution of the Board of Directors
relating thereto contained to the contrary notwithstanding.

            At any time after such a declaration of acceleration has been made
and before a judgment or decree for payment of the money due has been obtained
or entered as hereinafter in this Article provided, the Holders of a majority in
principal amount of the Outstanding Securities of such series, by written notice
to the Company and the Trustee, may waive all defaults with respect to such
Securities and rescind and annul such declaration and its consequences if

            (a)   the Company has paid or deposited with the Trustee a sum
      sufficient to pay

                  (i) all overdue installments of interest, if any, on all
            Securities of such series;

                  (ii) the principal of (and premium, if any, on) any and all
            Securities of such series which have become due otherwise than by
            such declaration of acceleration and interest thereon at the Overdue
            Rate applicable to the Securities of such series;

                  (iii) to the extent that payment of such interest is lawful,
            interest upon any overdue installment of interest at the Overdue
            Rate applicable to the Securities of such series;

                  (iv) all sums paid or advanced by the Trustee hereunder and
            the reasonable compensation, expenses, disbursements and advances of
            the Trustee, its agents and counsel and other amounts owing the
            Trustee under Section 8.07; and

                                      -34-
<PAGE>

            (b) all Events of Default with respect to Securities of such series,
      other than the non-payment of the principal of Securities which have
      become due solely by such acceleration, have been cured or waived as
      provided in Section 7.13 or 12.09 hereof.

      No such waiver and rescission shall affect any subsequent default or
      impair any right consequent thereon.

            Section 7.03. Collection of Indebtedness and Suits for Enforcement
by Trustee.

            The Company covenants that if

            (a) default is made in the payment of any installment of interest on
      any Security of any series when such interest becomes due and payable and
      such default continues for a period of 30 days,

            (b) default is made in the payment of all or any part of the
      principal of (or premium, if any, on) any Security of any series at the
      Maturity thereof, or

            (c) default is made in the making or satisfaction of any sinking
      fund payment or analogous obligation when the same becomes due pursuant to
      the terms of the Securities of any series established as contemplated by
      Section 3.01,

the Company will, upon demand of the Trustee, pay to the Trustee, for the
benefit of the Holder of any such Security (or Holders of Securities of any such
series in the case of clause (c) above), the whole amount then due and payable
on any such Security (or Securities of any such series in the case of clause (c)
above) for principal, premium, if any, and interest, if any, with interest upon
the overdue principal (and premium, if any) and, to the extent that payment of
such interest shall be legally enforceable, upon any overdue installment of
interest, at the Overdue Rate of any such Security (or Securities of any such
series in the case of clause (c) above); and, in addition thereto, such further
amount as shall be sufficient to cover the costs and expenses of collection,
including the reasonable compensation, expenses, disbursements and advances of
such Trustee, its agents and counsel, and all other amounts owing the Trustee
under Section 8.07.

            If the Company fails to pay such amounts forthwith upon such demand,
the Trustee, in its own name and as trustee of an express trust, may institute a
judicial proceeding for the collection of the sums so due and unpaid, and may
prosecute such proceeding to judgment or final decrees, and may enforce the same
against the Company or any other obligor upon such Securities and collect the
moneys adjudged or decreed to be payable in the manner provided by law out of
the property of the Company or any other obligor upon such Securities, wherever
situated.

            If an Event of Default occurs and is continuing with respect to the
Securities of any series, the Trustee may in its discretion proceed to protect
and enforce its rights and the rights of the Holders of the Securities of such
series by such appropriate judicial proceedings as such Trustee shall deem most
effectual to protect and enforce any such rights, whether for the specific
enforcement of any covenant or agreement in this Indenture or in aid of the
exercise of any power granted herein, or to enforce any other proper remedy.

                                      -35-
<PAGE>

            Section 7.04. Trustee May File Proofs of Claim.

            The Trustee (irrespective of whether the principal of the Securities
of any series shall then be due and payable as therein expressed or by
declaration or otherwise and irrespective of whether the Trustee shall have made
any demand on the Company for the payment of overdue principal or interest)
shall be entitled and empowered, by intervention in such proceeding or
otherwise, in case of the pendency of any receivership, insolvency, liquidation,
bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to the Company or any other obligor upon the
Securities of such series or the property of the Company or of such other
obligor or their creditors,

                  (i) to file and prove a claim or claims for the whole amount
            of principal (or, if the Securities of such series are Original
            Issue Discount Securities, such portion of the principal amount as
            may be due and payable with respect to such series pursuant to a
            declaration in accordance with Section 7.02 hereof), premium, if
            any, and interest, if any, owing and unpaid in respect of the
            Securities of such series and to file such other papers or documents
            as may be necessary or advisable in order to have the claims of the
            Trustee (including any claim for the reasonable compensation,
            expenses, disbursements and advances of the Trustee, its agents and
            counsel) and of the Holders of the Securities of such series allowed
            in such judicial proceeding, and

                  (ii) to collect and receive any moneys or other property
            payable or deliverable on any such claims and to distribute the
            same;

and any receiver, assignee, trustee, liquidator, sequestrator (or other similar
official) in any such judicial proceeding is hereby authorized by each Holder to
make such payments to the Trustee, and in the event that such Trustee shall
consent to the making of such payments directly to the Holders, to pay to the
Trustee any amount due to it for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other
amounts, due the Trustee under Section 8.07 hereof.

            Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
of any series or the rights of any Holder thereof, or to authorize the Trustee
to vote in respect of the claim of any Holder in any such proceeding.

            Section 7.05. Trustee May Enforce Claims without Possession of
Securities.

            All rights of action and claims under this Indenture or the
Securities of any series may be prosecuted and enforced by the Trustee without
the possession of any of the Securities of such series or the production thereof
in any proceeding relating thereto, and any such proceeding instituted by the
Trustee shall be brought in its own name as trustee of an express trust, and any
recovery of judgment shall, after provision for the payment of the reasonable
compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel, be for the ratable benefit of the Holders of the Securities in
respect of which such judgment has been recovered.

                                      -36-
<PAGE>

            Section 7.06. Application of Money Collected.

            Any moneys collected by the Trustee pursuant to this Article shall
be applied in the following order, at the date or dates fixed by the Trustee
and, in case of the distribution of such money on account of principal (or
premium, if any) or interest, if any, upon presentation of the several
Securities with respect to which such moneys were collected, and the notation
thereon of the payment if only partially paid and upon surrender thereof if
fully paid.

                  FIRST: To the payment of all amounts due the Trustee under
            Section 8.07 hereof.

                  SECOND: To holders of Senior Indebtedness of the Company to
            the extent required by Article Thirteen;

                  THIRD: To the payment of the amounts then due and unpaid upon
            such Securities for principal (and premium, if any) and interest, if
            any, in respect of which or for the benefit of which such money has
            been collected, ratably, without preference or priority of any kind,
            according to the amounts due and payable on such Securities for
            principal (and premium, if any) and interest, if any, respectively.

                  FOURTH: The balance, if any, to the Company.

            Section 7.07. Limitation on Suits.

            No Holder of any Security of any series shall have any right to
institute any proceeding, judicial or otherwise, with respect to this Indenture,
or for the appointment of a receiver or trustee (or other similar official), or
for any other remedy hereunder, unless

                  (1) an Event of Default shall have occurred and be continuing
            and such Holder previously shall have given to the Trustee written
            notice of default with respect to the Securities of such series and
            of the continuance thereof;

                  (2) the Holders of not less than 25% in principal amount of
            the Outstanding Securities of such series shall have made written
            request to the Trustee to institute proceedings in respect of such
            Event of Default in its own name as Trustee hereunder;

                  (3) such Holder or Holders have offered to the Trustee
            indemnity satisfactory to it against the costs, expenses and
            liabilities to be incurred in compliance with such request;

                  (4) the Trustee for 60 days after receipt of such notice,
            request and offer of indemnity has failed to institute any such
            proceeding; and

                  (5) no direction inconsistent with such written request has
            been given to the Trustee during such 60-day period by the Holders
            of a majority in principal amount of the Outstanding Securities of
            such series;

                                      -37-
<PAGE>

it being understood and intended that no one or more Holders of Securities of
such series shall have any right in any manner whatever by virtue of, or by
availing of, any provision of this Indenture to affect, disturb or prejudice the
rights of any other Holders of Securities of such series, or to obtain or to
seek to obtain priority or preference over any other such Holders or to enforce
any right under this Indenture, except in the manner herein provided and for the
equal and ratable benefit of all the Holders of the Securities of such series
(it being understood that the Trustee does not have an affirmative duty to
ascertain whether or not such actions or forbearances are unduly prejudicial to
such Holders).

            Section 7.08. Unconditional Right of Holders to Receive Principal,
Premium and Interest.

            Notwithstanding any other provision of this Indenture, the Holder of
a Security of any series shall have the right which is absolute and
unconditional to receive payment of the principal of (and premium, if any) and
(subject to Section 3.08) interest, if any, on such Security on the respective
Stated Maturities expressed in such Security (or, in the case of redemption, on
the Redemption Date) and to institute suit for the enforcement of any such
payment, and such rights shall not be impaired without the consent of such
Holder.

            Section 7.09. Restoration of Rights and Remedies.

            If the Trustee or any Holder has instituted any proceeding to
enforce any right or remedy under this Indenture and such proceeding has been
discontinued or abandoned for any reason, or has been determined adversely to
the Trustee or to such Holder, then and in every such case the Company, the
Trustee and such Holder shall, subject to any determination in such proceeding,
be restored severally and respectively to their former positions hereunder, and
thereafter all rights and remedies of such Trustee and such Holder shall
continue as though no such proceeding had been instituted.

            Section 7.10. Rights and Remedies Cumulative.

            No right or remedy herein conferred upon or reserved to the Trustee
or to the Holders of the Securities of any series is intended to be exclusive of
any other right or remedy, and every right and remedy shall, to the extent
permitted by law, be cumulative and in addition to every other right and remedy
given hereunder or now or hereafter existing at law or in equity or otherwise.
The assertion or employment of any right or remedy hereunder, or otherwise,
shall not prevent the concurrent assertion or employment of any other
appropriate right or remedy.

            Section 7.11. Delay or Omission Not Waiver.

            No delay or omission of the Trustee or of the Holders of the
Securities of any series to exercise any right or remedy accruing upon any Event
of Default shall impair any such right or remedy or constitute a waiver of any
such Event of Default or an acquiescence therein. Every right and remedy given
by this Article or by law to the Trustee or to such Holders may be exercised
from time to time, and as often as may be deemed expedient, by the Trustee or by
such Holders, as the case may be.

                                      -38-
<PAGE>

            Section 7.12. Control by Holders.

            The Holders of a majority in principal amount of the Outstanding
Securities of any series shall have the right to direct the time, method and
place of conducting any proceeding for any remedy available to the Trustee or
exercising any trust or power conferred on the Trustee, provided that

            (a) such direction shall not be in conflict with any rule of law or
      with this Indenture, unduly prejudice the rights of the Holders or involve
      the Trustee in personal liability (it being understood that the Trustee
      shall have no obligation to make any determination with respect to such
      conflict, prejudice or liability), and

            (b) the Trustee may take any other action deemed proper by the
      Trustee which is not inconsistent with such direction.

            Section 7.13. Waiver of Past Defaults.

            The Holders of not less than a majority in principal amount of the
Outstanding Securities of any series may on behalf of the Holders of all the
Securities of such series waive any past default hereunder and its consequences,
except a default

            (a) in the payment of the principal of (or premium, if any) or
      interest, if any, on any Security of such series, or in the payment of any
      sinking fund installment or analogous obligation with respect to the
      Securities of such series, or

            (b) in respect of a covenant or provision hereof which under Article
      Eleven hereof cannot be modified or amended without the consent of the
      Holder of each Outstanding Security affected.

            Upon any such waiver, such default shall cease to exist, and any
Event of Default arising therefrom shall be deemed to have been cured, for every
purpose of this indenture; but no such waiver shall extend to any subsequent or
other default or impair any right consequent thereon.

            Section 7.14. Undertaking for Costs.

            All parties to this Indenture agree, and each Holder of a Security
by his acceptance thereof shall be deemed to have agreed, that any court may in
its discretion require, in any suit for the enforcement of any right or remedy
under this Indenture, or in any suit against the Trustee for any action taken or
omitted by it as Trustee, the filing by any party litigant in such suit of an
undertaking to pay the costs of such suit, and that such court may in its
discretion assess reasonable costs, including reasonable attorneys' fees and
expenses, against any party litigant in such suit, having due regard to the
merits and good faith of the claims or defenses made by such party litigant; but
the provisions of this Section 7.14 shall not apply to any suit instituted by
such Trustee, to any suit instituted by any Holder, or group of Holders, holding
in the aggregate more than 10% in principal amount of the Outstanding Securities
of any series, or to any suit instituted by any Holder for the enforcement of
the payment of the principal of (or premium, if any) or

                                      -39-
<PAGE>

interest, if any, on any Security on or after the respective Stated Maturities
expressed in such Security (or, in the case of redemption, on or after the
Redemption Date).

            Section 7.15. Waiver of Stay or Extension Laws.

            The Company covenants (to the extent that it may lawfully do so)
that it will not at any time insist upon, or plead, or in any manner whatsoever
claim or take the benefit or advantage of, any stay or extension law wherever
enacted, now or at any time hereafter in force, which may affect the covenants
or the performance of this Indenture; and the Company (to the extent that it may
lawfully do so) hereby expressly waives all benefit or advantage of any such
law, and covenants that it will not hinder, delay or impede the execution of any
power herein granted to the Trustee, but will suffer and permit the execution of
every such power as though no such law had been enacted.

                                  ARTICLE EIGHT

                                   THE TRUSTEE

            Section 8.01. Certain Duties and Responsibilities.

            (a)   Except during the continuance of an Event of Default with
      respect to the Securities of any series,

                  (i) the Trustee undertakes to perform such duties and only
            such duties as are specifically set forth in this Indenture with
            respect to the Securities of such series and all other series, and
            no implied covenants or obligations shall be read into this
            Indenture against the Trustee; and

                  (ii) in the absence of bad faith on its part, the Trustee may
            conclusively rely, as to the truth of the statements and the
            correctness of the opinions expressed therein, upon certificates or
            opinions furnished to the Trustee and conforming to the requirements
            of this Indenture; but in the case of any such certificates or
            opinions which by any provision hereof are specifically required to
            be furnished to the Trustee, the Trustee shall be under a duty to
            examine the same to determine whether or not they conform to the
            requirements of this Indenture (but need not confirm or investigate
            the accuracy of mathematical calculations or other facts stated
            therein).

            (b)   In case an Event of Default has occurred and is continuing
      with respect to the Securities of any series, the Trustee shall exercise
      such of the rights and powers vested in it by this Indenture with respect
      to the Securities of such series, and use the same degree of care and
      skill in their exercise, as a prudent person would exercise or use under
      the circumstances in the conduct of such person's own affairs.

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

                  (i) this Subsection shall not be construed to limit the effect
            of Subsection (a) of this Section 8.01;

                                      -40-
<PAGE>

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

                  (iii) the Trustee shall not be liable with respect to any
            action taken, suffered or omitted to be taken by it in respect of
            the Securities of any series in good faith in accordance with the
            direction of the Holders of a majority in principal amount of the
            Outstanding Securities of such series pursuant to Section 7.12
            relating to the time, method and place of conducting any proceeding
            for any remedy available to the Trustee, or exercising any trust or
            power conferred upon the Trustee, under this Indenture; and

                  (iv) no provision of this Indenture shall require the Trustee
            to expend or risk its own funds or otherwise incur any financial
            liability in the performance of any of its duties hereunder, or in
            the exercise of any of its rights or powers, if it 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.

            (d)   Whether or not therein expressly so provided, every provision
      of this Indenture relating to the conduct or affecting the liability of or
      affording protection to the Trustee shall be subject to the provisions of
      this Section 8.01.

            Section 8.02. Notice of Defaults.

            Within 90 days after the occurrence of any default hereunder with
respect to the Securities of any series, the Trustee shall transmit by mail to
all Holders of the Securities of such series, as their names and addresses
appear in the Securities Register, notice of such default hereunder with respect
to the Securities of such series known to the Trustee, unless such default shall
have been cured or waived; provided, however, that, except in the case of a
default in the payment of principal of (or premium, if any) or interest, if any,
on any Security of such series, or in the payment of any sinking fund
installment or analogous obligation in respect thereof, the 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 Trustee in good faith determine that the withholding of such
notice is in the interest of such Holders; and provided, further, that in the
case of any default of the character specified in Section 7.01(d) hereof no such
notice to Holders shall be given until at least 30 days after the occurrence
thereof. For the purpose of this Section 8.02, the term "default" means any
event which is, or after notice or lapse of time or both would become, an Event
of Default.

            Section 8.03. Certain Rights of Trustee.

            Subject to Section 8.01 hereof:

            (a)   the Trustee may conclusively rely and shall be protected in
      acting or refraining from acting upon any resolution, certificate,
      statement, instrument, opinion, report, notice, request, direction,
      consent, order, bond, debenture, coupon or other paper or document
      believed by it to be genuine and to have been signed or presented by the
      proper party or parties;

                                      -41-
<PAGE>

            (b) any request, direction, order or demand of the Company mentioned
      herein shall be sufficiently evidenced by a Company Request or a Company
      Order and any resolution of the Board of Directors may be sufficiently
      evidenced by a Board Resolution;

            (c) whenever in the administration of this Indenture the Trustee
      shall deem it desirable that a matter be proved or established prior to
      taking, suffering or omitting any action hereunder, the Trustee (unless
      other evidence be herein specifically prescribed) may, in the absence of
      bad faith on its part, rely upon an Officer's Certificate;

            (d) the Trustee may consult with counsel of its selection and the
      advice of such counsel or any Opinion of Counsel shall be full and
      complete authorization and protection in respect of any action taken,
      suffered or omitted by it hereunder in good faith in reliance thereon;

            (e) the Trustee shall be under no obligation to exercise any of the
      rights or powers vested in it by this Indenture at the request, order or
      direction of any of the Holders pursuant to this Indenture, unless such
      Holders shall have offered to such Trustee 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;

            (f) the 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 or other paper or document, but the Trustee, in its
      discretion, may make such further inquiry or investigation into such facts
      or matters as it may see fit, and, if the Trustee shall determine to make
      such further inquiry or investigation, it shall be entitled to examine the
      books, records and premises of the Company, personally or by agent or
      attorney at the sole cost of the Company and shall incur no liability or
      additional liability of any kind by reason of such inquiry or
      investigation;

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

            (h) except with respect to Section 12.01, the Trustee shall have no
      duty to inquire as to the performance of the Company with respect to
      covenants contained in Article Twelve. In addition, the Trustee shall not
      be deemed to have knowledge of an Event of Default except (i) any default
      or Event of Default occurring pursuant to Sections 12.01, 7.01(a) or
      7.01(b) or (ii) any default or Event of Default of which the Trustee shall
      have received written notification or obtained actual knowledge;

            (i) delivery of reports, information and documents to the Trustee
      under Section 9.04 is for informational purposes only and the Trustee's
      receipt of the foregoing shall not constitute constructive notice of any
      information contained therein or determinable from information contained
      therein, including the Company's compliance with any of their covenants
      hereunder (as to which the Trustee is entitled to rely exclusively on
      Officer's Certificates);

            (j) in no event shall the Trustee be responsible or liable for
      special, indirect, or consequential loss or damage of any kind whatsoever
      (including, but not limited to, loss of profit) irrespective of whether
      the Trustee has been advised of the likelihood of such loss or damage and
      regardless of the form of action;

            (k) 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

            (l) 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.

                                      -42-
<PAGE>

            Section 8.04. Not Responsible for Recitals or Issuance of
Securities.

            The recitals contained herein and in the Securities, except the
certificates of authentication, shall be taken as the statements of the Company,
and the Trustee and any Authenticating Agent assume no responsibility for their
correctness. The Trustee and any Authenticating Agent make no representations as
to the validity or sufficiency of this Indenture or of the Securities. The
Trustee and any Authenticating Agent shall not be accountable for the use or
application by the Company of Securities or the proceeds thereof.

            Section 8.05. May Hold Securities.

            The Trustee, any Paying Agent, Securities Registrar, Authenticating
Agent or any other agent of the Company or the Trustee, in its individual or any
other capacity, may become the owner or pledgee of Securities of any series and
may otherwise deal with the Company with the same rights it would have if it
were not Trustee, Paying Agent, Securities Registrar, Authenticating Agent or
such other agent.

            Section 8.06. Money Held in Trust.

            Money held by the Trustee in trust hereunder need not be segregated
from other funds except to the extent required by law. The Trustee shall be
under no liability for interest on or investment of any money received by it
hereunder except as otherwise agreed in writing with the Company and for the
sole benefit of the Company.

            Section 8.07. Compensation and Reimbursement.

            The Company agrees

            (a) to pay to the Trustee from time to time such compensation shall
      be agreed in writing for all services rendered by it 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
      Trustee upon its request for all reasonable expenses, disbursements and
      advances incurred or made by the Trustee in accordance with any provision
      of this Indenture (including the reasonable compensation and the expenses
      and disbursements of its agents and counsel and of any Authenticating
      Agent), except to the extent any such expense, disbursement or advance may
      be attributable to its negligence or bad faith; and

            (c) to indemnify the Trustee and its agents for, and to hold them
      harmless against, any and all loss, liability, damage, claim or expense,
      including taxes, arising out of or in connection with the acceptance or
      administration of this trust and performance of their duties hereunder,
      including the costs and expenses (including fees and disbursements of
      their counsel) of defending themselves against any claim (whether asserted
      by the Company, a Holder or any other person) or liability in connection
      with the exercise or performance of any of their powers or duties
      hereunder, except as to the Trustee or any agent to the extent any such
      loss, liability, damage, claim or expense may be attributable to its own
      negligence or bad faith.

                                      -43-
<PAGE>

            As security for the performance of the obligations of the Company
under this Section 8.07, the Trustee shall have a lien prior to the Securities
upon all property and funds held or collected by the Trustee as such, except
funds held in trust for the payment of principal of (and premium, if any) or
interest, if any, on particular Securities. The provisions of this Section 8.07
shall survive any Trustee succession and the satisfaction and discharge of this
Indenture. "Trustee" for purposes of this Section 8.07 shall include any
predecessor trustee but the negligence and bad faith of any Trustee shall not
affect the rights of any other Trustee under this Section 8.07.

            Section 8.08. Disqualification; Conflicting Interests.

            Reference is made to Section 310(b) of the Trust Indenture Act. For
purposes of Section 310(b)(l) of the Trust Indenture Act no Trustee shall be
deemed to have a conflicting interest by virtue of being Trustee for the
Securities of more than one series.

            Section 8.09. Corporate Trustee Required; Different Trustees for
Different Series; Eligibility.

            There shall at all times be a Trustee hereunder for the Securities
of each series which shall be a corporation organized and doing business under
the laws of the United States of America or of any State or the District of
Columbia authorized under such laws to exercise corporate trust powers, having a
combined capital and surplus of at least $50,000,000, subject to supervision or
examination by Federal or State authority, and, if there is such a corporation
that has a corporate trust office in the Borough of Manhattan, The City of New
York, the State of New York, or in such other city as shall be established as
contemplated by Section 3.01 with respect to the Securities of any series that
is willing to act upon reasonable and customary terms, having a corporate trust
office in the Borough of Manhattan or such other city. If such corporation
publishes reports of condition at least annually, pursuant to law or to the
requirements of the aforesaid supervising or examining authority, then for the
purposes of this Section 8.09, 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. A different Trustee may be
appointed by the Company for the Securities of each series prior to the issuance
of such Securities. If the initial Trustee for the Securities of any series is
to be other than U.S. Bank National Association, the Company and such Trustee
shall, prior to the issuance of such Securities, execute and deliver an
indenture supplemental hereto, which shall provide for the appointment of such
Trustee as Trustee for the Securities of such series and shall add to or change
any of the provisions of this Indenture as shall be necessary to provide for or
facilitate the administration of the trusts hereunder by more than one Trustee,
it being understood that nothing herein or in such supplemental indenture shall
constitute such Trustees co-trustees of the same trust and that each such
Trustee shall be trustee of a trust or trusts hereunder separate and apart from
any trust or trusts hereunder administered by any other such Trustee. If at any
time the Trustee for the Securities of any series shall cease to be eligible in
accordance with the provisions of this Section 8.09, it shall resign immediately
in the manner and with the effect hereinafter specified in this Article.

                                      -44-
<PAGE>

            Section 8.10. Resignation and Removal; Appointment of Successor.

            (a)   No resignation or removal of the Trustee for the Securities of
      any series and no appointment of a successor Trustee for the Securities of
      such series pursuant to this Article shall become effective until the
      acceptance of appointment by the successor Trustee under Section 8.11
      hereof.

            (b)   The Trustee, or any Trustee or Trustees hereafter appointed
      for the Securities of any series, may resign at any time with respect to
      the Securities of one or more or all such series by giving written notice
      thereof to the Company. If an instrument of acceptance by a successor
      Trustee for the Securities of any series shall not have been delivered to
      the Trustee for the Securities of such series within thirty days after the
      giving of such notice of resignation, the resigning Trustee may petition,
      at the expense of the Company, any court of competent jurisdiction for the
      appointment of a successor Trustee for the Securities of such series.

            (c)   The Trustee for the Securities of any series may be removed at
      any time with respect to one or more or all such series by Act of the
      Holders of a majority in aggregate principal amount of the Outstanding
      Securities of such one or more series (each voting as a class) delivered
      to such Trustee and to the Company. If an instrument of acceptance by a
      successor Trustee for the Securities of any series shall not have been
      delivered to the Trustee within thirty days after the giving of such
      notice of removal, the Trustee being removed may petition, at the expense
      of the Company, any court of competent jurisdiction for the appointment of
      a successor Trustee for the Securities of such series.

            (d)   If at any time:

                  (i) the Trustee for the Securities of any series shall fail to
            comply with Section 310(b) of the Trust Indenture Act with respect
            to the Securities of such series after written request therefor by
            the Company or by any Holder of Securities of such series who has
            been a bona fide Holder of a Security of such series for at least
            six months, or

                  (ii) such Trustee shall cease to be eligible under Section
            8.09 hereof and shall fail to resign after written request therefor
            by the Company or by any such Holder of Securities, or

                  (iii) such Trustee shall become incapable of acting with
            respect to the Securities of such series or shall be adjudged a
            bankrupt or insolvent or a receiver of such Trustee or of its
            property shall be appointed or any public officer shall take charge
            or control of such Trustee or of its property or affairs for the
            purpose of rehabilitation, conservation or liquidation,

then, in any such case, (1) the Company by a Board Resolution may remove the
Trustee, or (2) subject to Section 7.14 hereof, any Holder of a Security of such
series who has been a bona fide Holder of such Security for at least six months
may, on behalf of himself and all others similarly situated, petition any court
of competent jurisdiction for the removal of such Trustee and the appointment of
a successor Trustee for the Securities of such series.

            (e)   If the Trustee for the Securities of any series shall resign,
      be removed or become incapable of acting, or if a vacancy shall occur in
      the office of Trustee for the Securities of any series for any cause, the
      Company, by a Board Resolution, shall promptly appoint a successor Trustee
      for the Securities of such series. If, within one year

                                      -45-
<PAGE>

      after such resignation, removal or incapability, or the occurrence of such
      vacancy, a successor Trustee for the Securities of such series shall be
      appointed by Act of the Holders of a majority in principal amount of the
      Outstanding Securities of such series delivered to the Company and the
      retiring Trustee, the successor Trustee so appointed shall, forthwith upon
      its acceptance of such appointment, become the successor Trustee for the
      Securities of such series and supersede the successor Trustee appointed by
      the Company. If no successor Trustee for the Securities of such series
      shall have been so appointed by the Company or such Holders and accepted
      appointment in the manner hereinafter provided, any Holder who has been a
      bona fide Holder of a Security of such series 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 Trustee for
      the Securities of such series.

            (f) The Company shall give notice of each resignation and each
      removal of the Trustee for the Securities of any series and each
      appointment of a successor Trustee for the Securities of such series by
      mailing written notice of such event by first-class mail, postage prepaid,
      to the Holders of the Securities of such series as their names and
      addresses appear in the Securities Register. Each notice shall include the
      name of such successor Trustee and the address of its Corporate Trust
      Office.

            Section 8.11. Acceptance of Appointment by Successor.

            Every successor Trustee appointed hereunder shall execute,
acknowledge and deliver to the Company 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 request of the
Company 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 shall
duly assign, transfer and deliver to such successor Trustee all property and
money held by such retiring Trustee hereunder, subject nevertheless to its lien,
if any, provided for in Section 8.07 hereof. Upon request of any such successor
Trustee, the Company shall execute any and all instruments for more fully and
certainly vesting in and confirming to such successor Trustee all such rights,
powers and trusts.

            In case of the appointment hereunder of a successor Trustee for the
Securities of one or more (but not all) series, the Company, the predecessor
Trustee and each successor Trustee for the Securities of any applicable series
shall execute and deliver an indenture supplemental hereto which shall contain
such provisions as shall be deemed necessary or desirable to confirm that all
the rights, powers, trusts and duties of the predecessor Trustee for the
Securities of any series as to which the predecessor Trustee is not retiring
shall continue to be vested in the predecessor Trustee, and shall add to or
change any of the provisions of this Indenture as shall be necessary to provide
for or facilitate the administration of the trusts hereunder by more than one
Trustee, it being understood that nothing herein or in such supplemental
indenture shall constitute such Trustees co-trustees of the same trust and that
each such Trustee shall be trustee of a trust or trusts hereunder separate and
apart from any trust or trusts hereunder administered by any other such Trustee.

                                      -46-
<PAGE>

            No successor Trustee for the Securities of any series shall accept
its appointment unless at the time of such acceptance such successor Trustee
shall be qualified under Section 310(b) of the Trust Indenture Act and eligible
under Section 8.09.

            Section 8.12. Merger, Conversion, Consolidation or Succession to
Business.

            Any corporation into which the Trustee for the Securities of any
series 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
Trustee shall be a party, or any corporation succeeding to all or substantially
all of the corporate trust business of such Trustee, shall be the successor of
the Trustee for such series hereunder, provided such corporation shall be, with
respect to such series, 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. In case any Securities of any series shall have been
authenticated, but not delivered, by the Trustee for such series or an
Authenticating Agent for such series, then in office, any successor by merger,
conversion or consolidation to such authenticating Trustee or Authenticating
Agent, as the case may be, may adopt such authentication and deliver the
Securities so authenticated with the same effect as if such successor Trustee or
successor Authenticating Agent had itself authenticated such Securities.

            Section 8.13. Preferential Collection of Claims against Company.

            Reference is made to Section 311 of the Trust Indenture Act, for
purposes of which:

                  (i) The term "cash transaction" means any transaction in which
            full payment for goods or securities sold is made within seven days
            after delivery of the goods or securities in currency or in checks
            or other orders drawn upon banks or bankers and payable upon demand.

                  (ii) The term "self-liquidating paper" means any draft, bill
            of exchange, acceptance or obligation which is made, drawn,
            negotiated or incurred by the Company for the purpose of financing
            the purchase, processing, manufacturing, shipment, storage or sale
            of goods, wares or merchandise and which is secured by documents
            evidencing title to possession of, or a lien upon, the goods, wares
            or merchandise or the receivables or proceeds arising from the sale
            of the goods, wares or merchandise previously constituting the
            security, provided the security is received by the Trustee
            simultaneously with the creation of the creditor relationship with
            the Company arising from the making, drawing, negotiating or
            incurring of the draft, bill of exchange, acceptance or obligation.

            Section 8.14. Authenticating Agent.

            The Trustee may appoint an Authenticating Agent for the Securities
of each series which shall be acceptable to the Company, to act on behalf of
such Trustee and subject to its direction in connection with the authentication
of the Securities of such series. Each Authenticating Agent shall at all times
be a corporation organized and doing business under the laws of the United
States of America or of any State, authorized under such laws to exercise

                                      -47-
<PAGE>

corporate trust powers, having a combined capital and surplus of at least
$50,000,000, and subject to supervision or examination by Federal or State
authority. If such corporation publishes reports of condition at least annually,
pursuant to law or to the requirements of the aforesaid supervising or examining
authority, then for the purposes of this Section 8.14 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.

            Securities of any series authenticated by the Authenticating Agent
for the Securities of such series shall be entitled to the benefits of this
Indenture and shall be valid and obligatory for all purposes as if authenticated
by the Trustee for the Securities of such series. Whenever reference is made in
this Indenture to the authentication and delivery of Securities of any series by
the Trustee or such Trustee's certificate of authentication, such reference
shall be deemed to include authentication and delivery on behalf of the Trustee
by the Authenticating Agent for the Securities of such series and a certificate
of authentication executed on behalf of the Trustee by such Authenticating
Agent.

            Any corporation into which any Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which any Authenticating Agent
shall be a party, or any corporation succeeding to all or substantially all the
corporate agency business of any Authenticating Agent, shall continue to be the
Authenticating Agent with respect to the Securities of all series for which it
served as Authenticating Agent without the execution or filing of any paper or
any further act on the part of the Trustee or such Authenticating Agent.

            Any Authenticating Agent may at any time resign by giving written
notice of resignation to the Trustee and to the Company. The Trustee may at any
time terminate the agency of any Authenticating Agent for the Securities of any
series by giving written notice of termination to such Authenticating Agent and
to the Company. Upon receiving such a notice of resignation or upon such a
termination, or in case at any time any Authenticating Agent shall cease to be
eligible in accordance with the provisions of this Section 8.14, with respect to
the Securities of one or more or all series, the Trustee promptly shall appoint
a successor Authenticating Agent which shall be acceptable to the Company, and
upon doing so shall give written notice of such appointment to the Company and
shall mail notice of such appointment to all Holders of the Securities of such
series as the names and addresses of such Holders appear upon the Securities
Register. Any successor Authenticating Agent upon acceptance of its appointment
hereunder shall become vested with all the rights, powers, duties and
responsibilities of its predecessor hereunder with like effect as if originally
appointed as Authenticating Agent hereunder. No successor Authenticating Agent
shall be appointed unless eligible under the provisions of this Section 8.14.

            The Company agrees to pay to each Authenticating Agent from time to
time reasonable compensation for its services.

                                      -48-
<PAGE>

                                  ARTICLE NINE

                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

            Section 9.01. Company to Furnish Trustee Names and Addresses of
Holders.

            The Company will furnish or cause to be furnished to the Trustee (a)
semi-annually, on a date not more than 15 days after each regular record date
with respect to an Interest Payment Date, if any, for the Securities of each
series, and (b) on semi-annual dates in each year to be established as
contemplated by Section 3.01 hereof if the Securities of any series do not bear
interest and (c) at such other times as the Trustee may request in writing,
within 30 days after receipt by the Company of any such request, a list in such
form as the Trustee may reasonably require containing all the information in the
possession or control of the Company, or any of its Paying Agents other than the
Trustee, as to the names and addresses of the Holders of the Securities of such
series, obtained since the date as of which the next previous list, if any, was
furnished. Any such list may be dated as of a date not more than 15 days prior
to the time such information is furnished or caused to be furnished and need not
include information received after such date; provided, however, that as long as
the Trustee is the Securities Registrar for the Securities of such series, no
such list shall be required to be furnished.

            Section 9.02. Preservation of Information; Communications to
Holders.

            (a)   The Trustee shall preserve, in as current a form as is
      reasonably practicable, the names and addresses of Holders of the
      Securities of each series contained in the most recent list furnished to
      such Trustee as provided in Section 9.01 hereof or in the Securities
      Register if such Trustee be the Securities Registrar for such series and
      the names and addresses of Holders received by the Trustee in its capacity
      as Paying Agent for the Securities of such series. The Trustee may destroy
      any list furnished to it as provided in Section 9.01 hereof upon receipt
      of a new list so furnished.

            (b)   If three or more Holders of the Securities of any series
      (hereinafter referred to as "applicants") apply in writing to the Trustee,
      furnish to the Trustee reasonable proof that each such applicant has owned
      a Security of such series for a period of at least six months preceding
      the date of such application, and such application states that the
      applicants desire to communicate with other Holders of the Securities of
      any series with respect to their rights under this Indenture or under the
      Securities of any series and is accompanied by a copy of the form of proxy
      or other communication which such applicants propose to transmit, then the
      Trustee shall, within five Business Days after the receipt of such
      application, at its election, either

                  (i) afford such applicants access to the information preserved
            at the time by the Trustee in accordance with Subsection (a) of this
            Section 9.02, or

                  (ii) inform such applicants as to the approximate number of
            such Holders whose names and addresses appear in the information
            preserved at the time by the Trustee in accordance with Subsection
            (a) of this Section 9.02, and as

                                      -49-
<PAGE>

            to the approximate cost of mailing to such Holders the form of proxy
            or other communication, if any, specified in such application.

            (c) If the Trustee shall elect not to afford such applicants access
      to such information, the Trustee shall upon the written request of such
      applicants, mail to each Holder to whom the applicant desires to
      communicate whose name and address appear in the information preserved at
      the time by such Trustee in accordance with Subsection (a) of this Section
      9.02, a copy of the form of proxy or other communication which is
      specified in such request, with reasonable promptness after a tender to
      the Trustee of the material to be mailed and of payment, or provision for
      the payment, of the reasonable expenses of mailing, unless within five
      days after such tender, the Trustee shall mail to such applicants and file
      with the Commission, together with a copy of the material to be mailed, a
      written statement to the effect that, in the opinion of the Trustee, such
      mailing would be contrary to the best interests of such Holders or would
      be in violation of applicable law. Such written statement shall specify
      the basis of such opinion. If the Commission, after opportunity for a
      hearing upon the objections specified in the written statement so filed,
      shall enter an order refusing to sustain any of such objections or if,
      after the entry of an order sustaining one or more of such objections, the
      Commission shall find, after notice and opportunity for hearing, that all
      the objections so sustained have been met and shall enter an order so
      declaring, the Trustee shall mail copies of such material to all such
      Holders with reasonable promptness after the entry of such order and the
      renewal of such tender; otherwise the Trustee shall be relieved of any
      obligation or duty to such applicants respecting their application.

            (d) Every Holder of Securities, by receiving and holding the same,
      agrees with the Company and the Trustee that neither the Company nor the
      Trustee, nor any agent of the Company or the Trustee, shall be held
      accountable by reason of the disclosure of any such information as to the
      names and addresses of the Holders in accordance with Subsection (b) of
      this Section 9.02, regardless of the source from which such information
      was derived, and that the Trustee shall not be held accountable by reason
      of mailing any material pursuant to a request made under Subsection (b) of
      this Section 9.02.

            Section 9.03. Reports by Trustee.

            (a) Within 60 days after the first May 15 which occurs not less than
      60 days following the first date of issuance of the Securities of any
      series under this Indenture and within 60 days after May 15 in every year
      thereafter, the Trustee shall transmit by mail to all Holders of such
      series, as their names and addresses appear in the Securities Register,
      any brief report, dated as of such May 15, required by Section 313(a) of
      the Trust Indenture Act and at such other times in such manner such other
      reports as may be required by Section 313 of the Trust Indenture Act in
      each case with respect to the Securities of such series. A copy of each
      such report shall, at the time of such transmission to such Holders, be
      filed by such Trustee with each stock exchange upon which such Securities
      are listed and also with the Commission. The Company will notify such
      Trustee in writing when such Securities are listed on any stock exchange
      or of any delisting thereof.

                                      -50-
<PAGE>

            Section 9.04. Reports by Company.

            The Company will

            (a)   file with the Trustee for the Securities of each series,
      within 15 days after the Company is required to file the same with the
      Commission, copies of the annual reports and of the information, documents
      and other reports (or copies of such portions of any of the foregoing as
      the Commission may from time to time by rules and regulations prescribe)
      which the Company may be required to file with the Commission pursuant to
      Section 13 or Section 15(d) of the Exchange Act; or, if the Company is not
      required to file information, documents or reports pursuant to either of
      said Sections, then it will file with such Trustee and the Commission, in
      accordance with rules and regulations prescribed from time to time by the
      Commission, such of the supplementary and periodic information, documents
      and reports which may be required pursuant to Section 13 of the Exchange
      Act of in respect of a security listed and registered on a national
      securities exchange as may be prescribed from time to time in such rules
      and regulations;

            (b)   file with such Trustee and the Commission, in accordance with
      rules and regulations prescribed from time to time by the Commission, such
      additional information, documents and reports with respect to compliance
      by the Company with the conditions and covenants of this Indenture as may
      be required from time to time by such rules and regulations; and

            (c)   transmit by mail to all Holders, as their names and addresses
      appear in the Securities Register, within 30 days after the filing thereof
      with the Trustee, such summaries of any information, documents and reports
      required to be filed by the Company pursuant to paragraphs (a) and (b) of
      this Section 9.04 as may be required by rules and regulations prescribed
      from time to time by the Commission.

            (d)   Notwithstanding the foregoing Section 9.04(a) and (b), the
      Company will be deemed to have filed the reports required by Section
      9.04(a) and (b) to the Trustee if it has filed such reports with the SEC
      via the EDGAR filing system and such reports are publicly available,
      provided, however, that the Trustee shall have no obligation whatsoever to
      verify that such filings have occurred.

                                  ARTICLE TEN

                  CONSOLIDATION, MERGER, CONVEYANCE OR TRANSFER

            Section 10.01. Company May Consolidate, etc., Only on Certain Terms.

            The Company shall not consolidate with or merge into any other
Person or convey, transfer or lease all or substantially all of its properties
and assets to any Person or group of Persons other than to a direct or indirect
wholly-owned Subsidiary, unless:

                  (1) the Person formed by such consolidation or into which the
            Company is merged or the Person or group of Persons that acquires by
            conveyance or transfer, or which leases, all or substantially all of
            the properties and assets of the Company shall be a Person organized
            and existing under the

                                      -51-
<PAGE>

            laws of the United States of America, any State thereof or the
            District of Columbia, and shall expressly assume, by an indenture
            supplemental hereto, executed and delivered to the Trustee for the
            Securities of each series in form satisfactory to such Trustee, the
            due and punctual payment of the principal of and interest on all the
            Securities and the performance of every covenant of this Indenture
            on the part of the Company to be performed or observed;

                  (2) immediately after giving effect to such transaction, no
            Event of Default, and no event that, after notice or lapse of time,
            or both, would become an Event of Default, shall have occurred and
            be continuing other than an Event of Default which will be cured by
            such merger or other transaction; and

                  (3) the Company has delivered to such Trustee an Officer's
            Certificate and an Opinion of Counsel each stating that such
            consolidation, merger, conveyance, transfer or lease and, if a
            supplemental indenture is required in connection with such
            transaction, and such supplemental indenture comply with this
            Article and that all conditions precedent herein provided for
            relating to such transaction have been complied with.

            The provisions of this Section 10.01 shall not be applicable to a
merger or consolidation in which the Company is the surviving corporation.

            Section 10.02. Successor Corporation Substituted.

            Upon any consolidation or merger, or any conveyance or transfer of
the properties and assets of the Company substantially as an entirety in
accordance with Section 10.01, the successor corporation formed by such
consolidation or into which the Company is merged or to which such conveyance or
transfer is made shall succeed to, and be substituted for and may exercise every
right and power of, the Company under this Indenture with the same effect as if
such successor corporation had been named as the Company herein, and thereafter
the predecessor corporation shall be relieved of all obligations and covenants
under the Indenture and the Securities.

                                 ARTICLE ELEVEN

                             SUPPLEMENTAL INDENTURES

            Section 11.01. Supplemental Indentures without Consent of Holders.

            (a)   Without the consent of any Holders, the Company, when
      authorized by Board Resolution, and the Trustee at any time and from time
      to time may enter into one or more indentures supplemental hereto, in form
      satisfactory to the Trustee, for any of the following purposes:

                  (i) to evidence the succession of another corporation to the
            Company, and the assumption by any such successor of the covenants
            of the Company herein and in the Securities contained; or

                                      -52-
<PAGE>

                  (ii) to add to or modify the covenants or Events of Default of
            the Company, for the benefit of the Holders of the Securities of any
            or all series, to convey, transfer, assign, mortgage or pledge any
            property to or with such Trustee, or to surrender any right or power
            herein conferred upon the Company; or

                  (iii) to make any change in Article Thirteen that would limit
            or terminate the benefits available to any holder of Senior
            Indebtedness of the Company (or Representatives thereof) under
            Article Thirteen; or

                  (iv) to establish the form and terms of the Securities of any
            series as contemplated by Section 2.01 or 3.01 hereof; or

                  (v) to add to or change any of the provisions of this
            Indenture as is necessary or advisable to facilitate the issuance of
            Securities of any series in bearer form, registrable or
            nonregistrable as to principal and with or without interest coupons,
            and to provide for exchangeability of such Securities with the
            Securities of the same series issued hereunder in fully registered
            form and to make all appropriate changes for such purpose, or to
            permit or facilitate the issuance of Securities in uncertificated
            form; or

                  (vi) to cure any ambiguity, to correct or supplement any
            provision herein which may be defective or inconsistent with any
            other provision herein, or to make any other provisions with respect
            to matters or questions arising under this Indenture which shall not
            adversely affect the interests of the Holders in any material
            respect; or

                  (vii) to add to or change any of the provisions of this
            Indenture to provide that bearer Securities may be registrable as to
            principal, to change or eliminate any restrictions on the payment of
            principal of, or premium, if any, or interest on bearer Securities
            or on the delivery of bearer Securities, or to permit bearer
            Securities to be issued in exchange for bearer Securities of other
            authorized denominations, provided any such action shall not
            adversely affect the interests of the Holders of bearer Securities
            of any series or any related coupons in any material respect unless
            such amendment is required to comply with the Bearer Rules; or

                  (viii) to supplement any of the provisions of this Indenture
            to such extent as shall be necessary to permit or facilitate the
            defeasance and discharge of any series of Securities pursuant to
            Article Six, provided that any such action shall not adversely
            affect the interests of the Holders of Securities of such series or
            any other series of Securities in any material respect;

                  (ix) to evidence and provide for the acceptance of appointment
            hereunder of a Trustee other than U.S. Bank National Association, as
            Trustee for the Securities of any series of Securities and to add to
            or change any of the provisions of this Indenture as shall be
            necessary to provide for or facilitate the

                                      -53-
<PAGE>

            administration of the trusts hereunder by more than one Trustee,
            pursuant to the requirements of Section 8.09 hereof; or

                  (x) to evidence and provide for the acceptance of appointment
            hereunder by a successor Trustee with respect to the Securities of
            one or more series or to add to or change any of the provisions of
            this Indenture as shall be necessary to provide for or facilitate
            the administration of the trusts hereunder by more than one Trustee,
            pursuant to the requirements of Section 8.11 hereof; or

                  (xi) to add to, change or eliminate any of the provisions of
            this Indenture; provided, that any such addition, change or
            elimination (i) shall become effective only when no Security of any
            series entitled to the benefits of such provision and issued prior
            to the execution of such supplemental indenture is outstanding or
            (ii) shall not apply to any outstanding Security.

            (b)   An amendment under this Section 11.01 may not make any change
      that adversely affects the rights under Article Thirteen of any holder of
      Senior Indebtedness of the Company then outstanding unless the holders of
      such Senior Indebtedness (or any group or Representative thereof
      authorized to give a consent) consent to such change.

            Section 11.02. Supplemental Indentures with Consent of Holders.

            Subject to Sections 7.12 and 7.13 hereof, with the consent of the
Holders of not less than a majority in aggregate principal amount of the
Outstanding Securities of each series affected thereby, by Act of said Holders
delivered to the Company and the Trustee, the Company, when authorized by Board
Resolution, and the Trustee may enter into an indenture or indentures
supplemental hereto for the purpose of adding any provisions to or changing in
any manner or eliminating any of the provisions of this Indenture or of
modifying in any manner the rights of the Holders of the Securities of such
series under this Indenture; provided, however, that no such supplemental
indenture shall, without the consent of the Holder of each Outstanding Security
affected thereby,

            (a)   change the Stated Maturity of the principal of, or any
      installment of interest on, any Security, or reduce the principal amount
      thereof or the interest thereon, or any premium payable on the redemption
      thereof, or change the Place of Payment, or the coin or currency in which
      any Security or the interest, if any, thereon is payable, or reduce the
      amount of the principal of an Original Issue Discount Security that would
      be due and payable upon an acceleration of the Maturity thereof or
      adversely affect the right of repayment, if any, at the option of the
      Holder, or reduce the amount of, or postpone the date fixed for, any
      payment under the sinking fund for any Security, or impair the right to
      institute suit for the enforcement of any such payment on or after the
      Stated Maturity thereof (or, in the case of redemption, on or after the
      Redemption Date), or

            (b)   reduce the percentage in principal amount of the Outstanding
      Securities of any series, the consent of whose Holders is required for any
      such supplemental indenture, or the consent of whose Holders is required
      for any waiver of compliance with certain

                                      -54-
<PAGE>

      provisions of this Indenture or certain defaults hereunder and their
      consequences provided for in this Indenture, or

            (c) modify the provisions of this Indenture with respect to the
      subordination of the Securities of any series in a manner adverse to the
      Holders thereof, or

            (d) modify any of the provisions of this Section 11.02 or Section
      7.13 hereof, except to increase any such percentage or to provide that
      certain other provisions of this Indenture cannot be modified or waived
      without the consent of the Holder of each Security affected thereby.

            A supplemental indenture which changes or eliminates any covenant or
other provision of this Indenture which has been expressly included solely for
the benefit of the Securities of one or more particular series, or which
modifies the rights of the Holders of the Securities of one or more such series
with respect to such covenant or other provision, shall be deemed not to affect
the rights under this Indenture of the Holders of the Securities of any other
series.

            It shall not be necessary for any Act of Holders under this Section
11.02 to approve the particular form of any proposed supplemental indenture, but
it shall be sufficient if such Act shall approve the substance thereof.

            An amendment under this Section 11.02 may not make any change that
adversely affects the rights under Article Thirteen of any holder of Senior
Indebtedness then outstanding unless the holders of such Senior Indebtedness (or
any group or Representative thereof authorized to give a consent) consent to
such change.

            Section 11.03. Execution of Supplemental Indentures.

            In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture, the Trustee for the Securities of any
series shall receive, and (subject to Sections 8.01 and 8.03 hereof) shall be
fully protected in conclusively relying upon, an Opinion of Counsel stating that
the execution of such supplemental indenture is authorized or permitted by this
Indenture. Such Trustee may, but shall not be obligated to, enter into any such
supplemental indenture which affects such Trustee's own rights, duties or
immunities under this Indenture or otherwise.

            Section 11.04. Notice of Supplemental Indenture.

            Promptly after the execution by the Company and the appropriate
Trustee of any supplemental indenture pursuant to Section 11.02 hereof, the
Company shall transmit by mail to all Holders of Securities of any series
affected thereby, as their names and addresses appear in the Securities
Register, a notice setting forth in general terms the substance of such
supplemental indenture.

                                      -55-
<PAGE>

            Section 11.05. Effect of Supplemental Indentures.

            Upon the execution of any supplemental indenture under this Article,
this indenture shall be modified in accordance therewith but only with respect
to the Securities of each series affected by such supplemental indenture, and
such supplemental indenture shall form a part of this Indenture for all purposes
with respect to the Securities of such series; and every Holder of Securities of
any such series theretofore or thereafter authenticated and delivered hereunder
shall be bound thereby.

            Section 11.06. Conformity with Trust Indenture Act.

            Every supplemental indenture executed pursuant to this Article shall
conform to the requirements of the Trust indenture Act as then in effect.

            Section 11.07. Reference in Securities to Supplemental Indentures.

            Securities of any series authenticated and delivered after the
execution of any supplemental indenture pursuant to this Article may, and shall
if required by the Trustee, bear a notation in form approved by the Trustee as
to any matter provided for in such supplemental indenture. If the Company shall
so determine, new Securities so modified as to conform, in the opinion of the
Trustee and the Board of Directors, to any such supplemental indenture may be
prepared and executed by the Company and authenticated and delivered by or on
behalf of such Trustee in exchange for Outstanding Securities of the same
series.

                                 ARTICLE TWELVE

                                    COVENANTS

            Section 12.01. Payment of Principal, Premium and Interest.

            The Company will duly and punctually pay the principal of, premium,
if any, and interest, if any, on the Securities of each series in accordance
with the terms of such Securities established as contemplated by Section 3.01
and this Indenture.

            Section 12.02. Maintenance of Office or Agency.

            The Company will maintain in each Place of Payment for the
Securities of any series, an office or agency where Securities of such series
may be presented or surrendered for payment, where Securities of such series may
be surrendered for registration of transfer or exchange and where notices and
demands to or upon the Company in respect of the Securities of such series and
this Indenture may be served; provided, however, that at the option of the
Company payment of interest may be made (subject to collection) by check mailed
to the address of the Person entitled thereto as such address shall appear in
the Security Register. With respect to the Securities of any series, such office
or agency and each Place of Payment shall be as established as contemplated by
Section 3.01. In the absence of establishment as contemplated by Section 3.01
with respect to the Securities of any series, (i) the Place of Payment for such
Securities shall be in the city that the Corporate Trust Office shall be in and
(ii) such office or agency in such Place of Payment shall initially be the
Corporate Trust Office of the Trustee. The

                                      -56-
<PAGE>

Company will give prompt written notice to the Trustee of the location, and any
change in the location, of any such office or agency, if at any time the Company
shall fail to maintain any such required office or agency or shall fail to
furnish the Trustee for the Securities of each series with the address thereof,
such presentations, surrenders, notices and demands may be made or served at the
Corporate Trust Office of such Trustee, and the Company hereby appoints the
Trustee its agent to receive all such presentations, surrenders, notices and
demands with respect to the Securities of such series.

            The Company may also from time to time designate one or more other
offices or agencies (in or outside the Place of Payment) where the Securities of
one or more series may be presented or surrendered for any or all of such
purposes specified above, and may from time to time rescind such designations;
provided, however, that no such designation or rescission shall in any manner
relieve the Company of its obligation to maintain an office or agency in each
Place of Payment for such purpose.

            Section 12.03. Money for Securities Payments to Be Held in Trust.

            If the Company shall at any time act as its own Paying Agent, it
will, on or before each due date of the principal of (and premium, if any) or
interest, if any, on, any of the Securities of any series, segregate and hold in
trust for the benefit of the Persons entitled thereto a sum sufficient to pay
the principal, premium, if any, or interest, if any, so becoming due until such
sums shall be paid to such Persons or otherwise disposed of as herein provided,
and will promptly notify the Trustee of such series of its failure so to act.

            Whenever the Company shall have one or more Paying Agents, it will,
on or before each due date of the principal of (and premium, if any) or
interest, if any, on, any Securities of any series, deposit with a Paying Agent
for the Securities of such series a sum sufficient to pay the principal,
premium, if any, or interest, if any, so becoming due, such sum to be held in
trust for the benefit of the Persons entitled to such principal, premium or
interest, if any, and (unless such Paying Agent is the Trustee for the
Securities of such series) the Company will promptly notify such Trustee at its
Corporate Trust Office of its failure so to act.

            The Company will cause each Paying Agent for the Securities of any
series other than the Trustee to execute and deliver to the Trustee an
instrument in which such Paying Agent shall agree with the Trustee, subject to
the provisions of this Section 12.03, that such Paying Agent will

            (a) hold all sums held by it for the payment of the principal of,
      premium, if any, or interest, if any, on the Securities of such series in
      trust for the benefit of the Persons entitled thereto until such sums
      shall be paid to such Persons or otherwise disposed of as herein provided;

            (b) give such Trustee notice of any default by the Company (or any
      other obligor upon the Securities of such series) in the making of any
      payment of principal, premium, if any, or interest, if any; and

                                      -57-
<PAGE>

            (c) at any time during the continuance of any such default, upon the
      written request of the Trustee, forthwith pay to the Trustee all sums so
      held in trust by such Paying Agent.

            The Company may at any time, for the purpose of obtaining the
satisfaction and discharge of this Indenture or for any other purpose, pay, or
by Company Order direct any Paying Agent to pay, to the Trustee all sums held in
trust by the Company or such Paying Agent, such sums to be held by such Trustee
upon the same trusts as those upon which such sums were held by the Company or
such Paying Agent; and, upon such payment by any Paying Agent to such Trustee,
such Paying Agent shall be released from all further liability with respect to
such money.

            Section 12.04. Statement as to Compliance; Statement by Officers as
to Default.

            The Company will file with the Trustee within four months after the
close of each fiscal year (which, until the Company shall otherwise notify the
Trustee, shall be deemed to be the calendar year) a brief certificate, which
need not comply with Section 1.02 hereof, from the principal executive,
financial or accounting officer of the Company as to his or her knowledge of the
Company's compliance with all conditions and covenants under this Indenture
(without regard to any period of grace or requirement of notice provided in this
Indenture). The Company shall deliver to the Trustee, as soon as possible and in
any event within five days after the Company becomes aware of the occurrence of
any Event of Default or an event which, with notice or the lapse of time or
both, would constitute an Event of Default, an Officer's Certificate setting
forth the details of such Event of Default or default and the action which the
Company proposes to take with respect thereto.

            Section 12.05. Corporate Existence.

            Subject to Article Ten hereof, the Company will do or cause to be
done all things necessary to preserve and keep in full force and effect its
corporate existence.

            Section 12.06. Permit No Vacancy in Office of Trustee.

            The Company, whenever necessary to avoid or fill a vacancy in the
office of the Trustee for the Securities of any series, will appoint, in the
manner provided in Section 8.10 hereof, a Trustee for the Securities of such
series, so that there shall at all times be a Trustee for the Securities of
every series hereunder.

            Section 12.07. Waiver.

            Without limitation of the rights of the Holders and the Company with
respect to waivers and amendments set forth in Sections 7.13 and 11.02, the
Company may omit in any particular instance to comply with a covenant or
provision hereof which non-compliance could constitute a default hereunder
(other than (i) a covenant or provision with respect to the payment of the
principal of (or premium, if any) or interest, if any, on any Security of any
series, or in payment of any sinking fund installment or analogous obligation
with respect to the Securities of such series or (ii) a covenant or provision
which under Article Eleven hereof cannot be modified or amended without the
consent of the Holder of each Outstanding Security affected), if before or after
the time for such compliance the Holders of at least a majority in principal
amount of the Securities at the time Outstanding of any series affected by the
omission shall, by Act of such Holders, either waive such compliance in such
instance or generally waive compliance with such covenant or provision, but no
such waiver shall extend to or affect such covenant or provision except to the
extent so expressly waived, and, until such waiver shall become effective, the

                                      -58-
<PAGE>

obligations of the Company and the duties of the Trustee in respect of any such
covenant or provision shall remain in full force and effect.

            Section 12.08. Calculation of Original Issue Discount.

            The Company shall file with the Trustee promptly at the end of each
calendar year (i) a written notice specifying the amount of original issue
discount (including daily rates and accrual periods) accrued on Outstanding
Securities as of the end of such year and (ii) such other specific information
relating to such original issue discount as may then be relevant under the
Internal Revenue Code of 1986, as amended from time to time.

                                ARTICLE THIRTEEN

                         SUBORDINATION OF THE SECURITIES

            Section 13.01. Agreement to Subordinate.

            The Company agrees, and each Holder by accepting a Security agrees,
that the indebtedness evidenced by the Securities is subordinated in right of
payment, to the extent and in the manner provided in this Article Thirteen, to
the prior payment in full of all existing and future Senior Indebtedness of the
Company and that the subordination is for the benefit of and enforceable by the
holders of such Senior Indebtedness. All provisions of this Article Thirteen
shall be subject to Section 13.12.

            Section 13.02. Liquidation, Dissolution, Bankruptcy.

            Upon any payment or distribution of the assets of the Company to
creditors upon a total or partial liquidation or a total or partial dissolution
of the Company or in a bankruptcy, reorganization, insolvency, receivership or
similar proceeding relating to the Company or its property or upon an assignment
by the Company for the benefit of creditors:

            (a) holders of Senior Indebtedness of the Company shall be entitled
      to receive payment in full in cash (or other consideration acceptable to
      the applicable holder of Senior Indebtedness) of such Senior Indebtedness
      (including interest accruing after, or which would accrue but for, the
      commencement of any such proceeding at the rate specified in the
      applicable Senior Indebtedness, whether or not a claim for such interest
      would be allowed) before any payment or distribution (other than Permitted
      Junior Securities), whether in cash, securities or other property, shall
      be made by the Company on account of principal, interest or other amounts
      owing in respect of the Securities; and

            (b) until the Senior Indebtedness of the Company is paid in full in
      cash (or other consideration acceptable to the applicable holder of Senior
      Indebtedness), any payment or distribution (other than Permitted Junior
      Securities), whether in cash, securities or other property, to which
      Holders would be entitled but for this Article Thirteen shall be made to
      holders of such Senior Indebtedness, for application to the payment
      thereof, as their interests may appear, except that the Holders may
      receive and retain payments made from the trust described under Article
      Six, so long as, on the date or dates the respective amounts were paid
      into the trust such payments were made with respect to the Securities
      without violating this Article Thirteen.

            Section 13.03. Default on Senior Indebtedness.

            The Company may not pay principal of, premium (if any) or interest
on, the Securities or make any deposit pursuant to the provisions described
under Section 6.02 and may not otherwise purchase, redeem or otherwise retire
any Securities (except that the Holders may

                                      -59-
<PAGE>

receive and retain (a) Permitted Junior Securities and (b) payments made from
the trust described under Article Six) (collectively, "pay the Securities") if:

                        (A) a default in the payment of the principal of,
                  premium, if any, or interest on any Senior Indebtedness of the
                  Company occurs and is continuing or any other amount owing in
                  respect of any Senior Indebtedness of the Company is not paid
                  when due, or

                        (B) any other default occurs with respect to Senior
                  Indebtedness of the Company and the maturity of such Senior
                  Indebtedness of the Company is accelerated in accordance with
                  its terms,

            unless, in either case, the default has been cured or waived and any
            such acceleration has been rescinded or such Designated Senior
            Indebtedness has been paid in full in cash (or other consideration
            acceptable to the applicable holder of Senior Indebtedness).

            Section 13.04. Acceleration of Payment of Securities.

            In the event that any Securities are declared due and payable before
their Stated Maturity, then and in such event the holders of Senior Indebtedness
of the Company shall be entitled to receive payment in full in cash (or other
consideration acceptable to the applicable holder of Senior Indebtedness) of
such Senior Indebtedness (including interest accruing after, or which would
accrue but for, the commencement of any such proceeding at the rate specified in
the applicable Senior Indebtedness, whether or not a claim for such interest
would be allowed) before any payment or distribution, whether in cash,
securities or other property, shall be made by the Company on account of
principal, interest or other amounts owing in respect of the Securities or on
account of purchase or other acquisition of Securities by the Company; provided,
however, that nothing in this Section 13.04 shall prevent the satisfaction of
any sinking fund payment in accordance with this Indenture or as otherwise
specified for the Securities of any series by delivering and crediting pursuant
to Section 5.02 or as otherwise specified for the Securities of any series
Securities which have been acquired (upon redemption or otherwise) prior to such
declaration of acceleration.

            Section 13.05. When Distribution Must Be Paid Over.

            If any distribution is made to the Trustee or to the Holders that
because of this Article Thirteen should not have been made to them, the Trustee
or such Holders who receive the distribution, as applicable, shall hold such
distribution in trust for holders of Senior Indebtedness of the Company and
shall, upon the written instruction of the Company, pay it over to them as their
interests may appear. Nothing contained in this Article Thirteen or elsewhere in
this Indenture shall prevent (a) the Company, at any time except under the
conditions specified in sections 13.02, 13.03 and 13.04, from making payments at
any time of principal of (and premium, if any) or interest on the Securities, or
(b) the application by the Trustee of any money deposited with it hereunder to
the payment of or on account of the principal of (and premium, if any) or
interest on the Securities or the retention of such payment by the Holders if,
at the time of

                                      -60-
<PAGE>

such application by the Trustee, the conditions specified in sections 13.02,
13.03 and 13.04 did not exist.

            Section 13.06. Subrogation.

            After all Senior Indebtedness of the Company is paid in full and
until the Securities are paid in full, the Holders shall, to the extent of the
payments or distributions made to the holders of Senior Indebtedness pursuant to
this Article Thirteen, be subrogated (equally and ratably with all other
indebtedness as to which the right to receive payment is pari passu with the
Securities) to the rights of holders of such Senior Indebtedness to receive
distributions applicable to Senior Indebtedness of the Company. A distribution
made under this Article Thirteen to holders of Senior Indebtedness which
otherwise would have been made to the Holders is not, as between the Company and
the Holders, a payment by the Company on such Senior Indebtedness.

            Section 13.07. Relative Rights.

            This Article Thirteen defines the relative rights of the Holders and
holders of Senior Indebtedness of the Company. Nothing in this Indenture shall:

            (a) impair, as between the Company and the Holders, the obligation
      of the Company, which is absolute and unconditional, to pay principal of
      and interest on the Securities in accordance with their terms; or

            (b) prevent the Trustee or any Holder from exercising its available
      remedies upon a Default, subject to the rights of holders of Senior
      Indebtedness of the Company to receive distributions otherwise payable to
      the Holders.

            Section 13.08. Subordination May Not Be Impaired by Company.

            No right of any holder of Senior Indebtedness of the Company to
enforce the subordination of the Indebtedness evidenced by the Securities shall
be impaired by any act or failure to act by the Company or by its failure to
comply with this Indenture.

            Section 13.09. Rights of Trustee and Paying Agent.

            Notwithstanding Section 13.03, the Trustee or any Paying Agent may
continue to make payments on the Securities and shall not be charged with
knowledge of the existence of facts that would prohibit the making of any such
payments unless, not less than two Business Days prior to the date of such
payment, a Responsible Officer of the Trustee receives notice satisfactory to it
that payments may not be made under this Article Thirteen. The Company, the
Registrar, any Paying Agent, a Representative or a holder of Senior Indebtedness
of the Company may give the notice; provided, however, that, if an issue of
Senior Indebtedness of the Company has a Representative, only the Representative
may give the notice.

            The Trustee in its individual or any other capacity may hold Senior
Indebtedness of the Company with the same rights it would have if it were not
Trustee. The Registrar and any Paying Agent may do the same with like rights.
The Trustee shall be entitled to all the rights set

                                      -61-
<PAGE>

forth in this Article Thirteen with respect to any Senior Indebtedness of the
Company which may at any time be held by it, to the same extent as any other
holder of such Senior Indebtedness; and nothing in Article Eight shall deprive
the Trustee of any of its rights as such holder. Nothing in this Article
Thirteen shall apply to claims of, or payments to, the Trustee under or pursuant
to Section 8.07 or any other Section of this Indenture.

            Section 13.10. Distribution or Notice to Representative.

            Whenever a distribution is to be made or a notice given to holders
of Senior Indebtedness of the Company, the distribution may be made and the
notice given to their Representative (if any).

            Section 13.11. Article Thirteen Not to Prevent Events of Default or
Limit Right to Accelerate.

            The failure to make a payment pursuant to the terms of the
Securities by reason of any provision in this Article Thirteen shall not be
construed as preventing the occurrence of a Default in respect thereof. Nothing
in this Article Thirteen shall have any effect on the right of the Holders or
the Trustee to accelerate the maturity of the Securities.

            Section 13.12. Trust Monies Not Subordinated.

            Notwithstanding anything contained herein to the contrary, payments
from money or the proceeds of U.S. Government Obligations held in trust under
Article Six by the Trustee and deposited at a time when permitted by the
subordination provisions of this Article Thirteen for the payment of principal
of and interest on the Securities shall not be subordinated to the prior payment
of any Senior Indebtedness of the Company or subject to the restrictions set
forth in this Article Thirteen, and none of the Trustee or the Holders shall be
obligated to pay over any such amount to the Company or any holder of Senior
Indebtedness of the Company or any other creditor of the Company.

            Section 13.13. Trustee Entitled to Rely.

            Upon any payment or distribution pursuant to this Article Thirteen,
the Trustee and the Holders shall be entitled to conclusively rely (a) upon any
order or decree of a court of competent jurisdiction in which any proceedings of
the nature referred to in Section 13.02 are pending, (b) upon a certificate of
the liquidating trustee or agent or other Person making such payment or
distribution to the Trustee or to the Holders or (c) upon the Representatives
for the holders of Senior Indebtedness of the Company for the purpose of
ascertaining the Persons entitled to participate in such payment or
distribution, the holders of such Senior Indebtedness and other Indebtedness of
the Company, the amount thereof or payable thereon, the amount or amounts paid
or distributed thereon and all other facts pertinent thereto or to this Article
Thirteen. In the event that the Trustee determines, in good faith, that evidence
is required with respect to the right of any Person as a holder of Senior
Indebtedness of the Company to participate in any payment or distribution
pursuant to this Article Thirteen, the Trustee may request such Person to
furnish evidence to the reasonable satisfaction of the Trustee as to the amount
of such Senior Indebtedness held by such Person, the extent to which such Person
is entitled to participate in such payment or distribution and other facts
pertinent to the rights of such Person under this

                                      -62-
<PAGE>

Article Thirteen, and, if such evidence is not furnished, the Trustee may defer
any payment to such Person pending judicial determination as to the right of
such Person to receive such payment. The provisions of Sections 8.01 and 8.03
shall be applicable to all actions or omissions of actions by the Trustee
pursuant to this Article Thirteen.

            Section 13.14. Trustee to Effectuate Subordination.

            Each Holder by accepting a Security authorizes and directs the
Trustee on his behalf to take such action as may be necessary or appropriate to
acknowledge or effectuate the subordination between the Holders and the holders
of Senior Indebtedness of the Company as provided in this Article Thirteen and
appoints the Trustee as attorney-in-fact for any and all such purposes.

            Section 13.15. Trustee Not Fiduciary for Holders of Senior
Indebtedness.

            The Trustee shall not be deemed to owe any fiduciary duty to the
holders of Senior Indebtedness of the Company and shall not be liable to any
such holders if it shall mistakenly pay over or distribute to the Holders or the
Company or any other Person money or assets to which any holders of Senior
Indebtedness of the Company shall be entitled by virtue of this Article Thirteen
or otherwise.

            With respect to the holders of Senior Indebtedness, the Trustee
undertakes to perform or to observe only such of its covenants or obligations as
are specifically set forth in this Article Thirteen and no implied
covenants or obligations with respect to holders of Senior Indebtedness shall be
read in this Indenture against the Trustee.

            Section 13.16. Reliance by Holders of Senior Indebtedness on
Subordination Provisions.

            Each Holder by accepting a Security acknowledges and agrees that the
foregoing subordination provisions are, and are intended to be, an inducement
and a consideration to each holder of any Senior Indebtedness of the Company,
whether such Senior Indebtedness was created or acquired before or after the
issuance of the Securities, to acquire and continue to hold, or to continue to
hold, such Senior Indebtedness and such holder of such Senior Indebtedness shall
be deemed conclusively to have relied on such subordination provisions in
acquiring and continuing to hold, or in continuing to hold, such Senior
Indebtedness.

            Without in any way limiting the generality of the foregoing
paragraph, the holders of Senior Indebtedness of the Company may, at any time
and from time to time, without the consent of or notice to the Trustee or the
Holders, without incurring responsibility to the Trustee or the Holders and
without impairing or releasing the subordination provided in this Article
Thirteen or the obligations hereunder of the Holders to the holders of the
Senior Indebtedness of the Company, do any one or more of the following: (i)
change the manner, place or terms of payment or extend the time of payment of,
or renew or alter, Senior Indebtedness of the Company, or otherwise amend or
supplement in any manner Senior Indebtedness of the Company, or any instrument
evidencing the same or any agreement under which Senior Indebtedness of the
Company is outstanding; (ii) sell, exchange, release or otherwise deal with any
property pledged, mortgaged or otherwise securing Senior Indebtedness of the
Company; (iii) release any Person liable in any manner for the payment or
collection of Senior Indebtedness of the Company; and (iv) exercise or refrain
from exercising any rights against the Company and any other Person.

                                      -63-
<PAGE>

            IN WITNESS WHEREOF, the parties hereto have caused this Indenture to
be duly executed, all as of the day and year first above written.

                                      CITIZENS BANKING CORPORATION

                                      By: ____________________________________
                                          Name:
                                          Title: Authorized Officer

                                      U.S. BANK NATIONAL ASSOCIATION
                                      As Trustee

                                      By: ____________________________________
                                          Name:
                                          Title:

                                      -64-<PAGE>

                                                                    EXHIBIT 4(c)

================================================================================

                          CITIZENS BANKING CORPORATION

                                       AND

                                    U.S. BANK
                              NATIONAL ASSOCIATION

                                     TRUSTEE

                            -------------------------

                       JUNIOR SUBORDINATED DEBT INDENTURE

                            -------------------------

                         DATED AS OF SEPTEMBER [*], 2006

================================================================================

<PAGE>

                          CITIZENS BANKING CORPORATION
                    INDENTURE DATED AS OF SEPTEMBER [*], 2006

                             CROSS REFERENCE SHEET*

            Showing the Location in the Indenture of the Provisions Inserted
Pursuant to Sections 310 to 318(a) inclusive of the Trust Indenture Act of 1939.

<TABLE>
<CAPTION>
PROVISIONS OF
TRUST INDENTURE ACT
OF 1939                                           INDENTURE PROVISION
------------------------                          --------------------------------------
<S>                                               <C>
Section 310(a)(1), (2)                            Section 8.09
               (3)                                Not Applicable
               (4)                                Not Applicable
         (b)                                      Section 8.08; Section 8.10
         (c)                                      Not Applicable
Section 311(a)                                    Section 8.13(a)
         (b)                                      Section 8.13(b)
         (b)(2)                                   Section 9.03 (a)(ii); Section 9.03(b)
         (c)                                      Not Applicable
Section 312(a)                                    Section 9.01; Section 9.02(a)
         (b)                                      Section 9.02(b)
         (c)                                      Section 9.02(c)
Section 313(a)                                    Section 9.03(a)
         (b)(1)                                   Not Applicable
            (2)                                   Section 9.03(b)
         (c)                                      Section 9.03(a); Section 9.03(b)
         (d)                                      Section 9.03(c)
Section 314(a)                                    Section 9.04
         (b)                                      Not Applicable
         (c)                                      Section 1.02
         (d)                                      Not Applicable
         (e)                                      Section 1.02
         (f)                                      Not Applicable
Section 315(a)(1)                                 Section 8.01(a)(i)
           (2)                                    Section 8.01(a)(ii)
         (b)                                      Section 8.02
         (c)                                      Section 8.01(b)
         (d)(1)                                   Section 8.01(a)
           (2)                                    Section 8.01(c)(ii)
           (3)                                    Section 8.01(c)(iii)
         (e)                                      Section 7.14
Section 316(a)                                    Section 7.12; Section 7.13
         (b)                                      Section 7.08
         (c)                                      Section 1.04
Section 317(a)(1), (2)                            Section 7.03; Section 7.04
         (b)                                      Section 12.03
Section 318(a)                                    Section 1.08
</TABLE>

--------------
* This Cross Reference Sheet is not part of the Indenture.

                                      -i-
<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                      PAGE
                                                                                                                      -----
<S>                                                                                                                   <C>
                                   ARTICLE ONE
             DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

Section 1.01.  Definitions.....................................................................................        1
Section 1.02.  Compliance Certificates and Opinions............................................................        8
Section 1.03.  Form of Documents Delivered to Trustee..........................................................        9
Section 1.04.  Act of Holders..................................................................................        9
Section 1.05.  Notices, etc., to Trustee and Company...........................................................       10
Section 1.06.  Notice to Holders; Waiver.......................................................................       10
Section 1.07.  Immunity of Incorporator, Stockholders, Officers and Directors..................................       11
Section 1.08.  Conflict with Trust Indenture Act...............................................................       11
Section 1.09.  Effect of Headings and Table of Contents........................................................       11
Section 1.10.  Successors and Assigns..........................................................................       11
Section 1.11.  Separability Clause.............................................................................       11
Section 1.12.  Benefits of Indenture...........................................................................       12
Section 1.13.  Governing Law...................................................................................       12
Section 1.14.  Cross References................................................................................       12
Section 1.15.  Counterparts....................................................................................       12
Section 1.16.  Legal Holidays..................................................................................       12
Section 1.17.  Securities in Foreign Currencies................................................................       12
Section 1.18.  Treatment of Securities as Debt.................................................................       13
Section 1.19.  Force Majeure...................................................................................       13
Section 1.20.  Waiver of Jury Trial............................................................................       13

                                   ARTICLE TWO
                                 SECURITY FORMS

Section 2.01.  Forms Generally.................................................................................       13
Section 2.02.  Form of Certificate of Authentication...........................................................       13
Section 2.03.  Securities in Global Form.......................................................................       14

                                  ARTICLE THREE
                                 THE SECURITIES

Section 3.01.  Amount Unlimited; Issuable in Series............................................................       14
Section 3.02.  Denominations...................................................................................       17
Section 3.03.  Authentication and Dating.......................................................................       17
Section 3.04.  Execution of Securities.........................................................................       18
Section 3.05.  Exchange and Registration of Transfer of Securities.............................................       19
Section 3.06.  Mutilated, Destroyed, Lost or Stolen Securities.................................................       21
Section 3.07.  Temporary Securities............................................................................       22
Section 3.08.  Payment of Interest; Interest Rights Preserved..................................................       22
Section 3.09.  Persons Deemed Owners...........................................................................       23
Section 3.10.  Cancellation....................................................................................       24
Section 3.11.  Computation of Interest.........................................................................       24
Section 3.12.  CUSIP Numbers...................................................................................       24
</TABLE>

                                      -ii-

<PAGE>

<TABLE>
<S>                                                                                                                   <C>
                                  ARTICLE FOUR
                            REDEMPTION OF SECURITIES

Section 4.01.  Applicability of Article........................................................................       24
Section 4.02.  Election to Redeem; Notice to Trustee...........................................................       24
Section 4.03.  Selection by Trustee of Securities to Be Redeemed...............................................       25
Section 4.04.  Notice of Redemption............................................................................       25
Section 4.05.  Deposit of Redemption Price.....................................................................       26
Section 4.06.  Securities Payable on Redemption Date...........................................................       26
Section 4.07.  Securities Redeemed in Part.....................................................................       26

                                  ARTICLE FIVE
                                  SINKING FUNDS

Section 5.01.  Applicability of Article........................................................................       27
Section 5.02.  Satisfaction of Mandatory Sinking Fund Payments with Securities.................................       27
Section 5.03.  Redemption of Securities for Sinking Fund.......................................................       27

                                   ARTICLE SIX
                           SATISFACTION AND DISCHARGE

Section 6.01.  Satisfaction and Discharge of Indenture.........................................................       29
Section 6.02.  Satisfaction, Discharge and Defeasance of Securities of any Series..............................       30
Section 6.03.  Application of Trust Money......................................................................       31
Section 6.04.  Paying Agent to Repay Moneys Held...............................................................       32
Section 6.05.  Return of Unclaimed Moneys......................................................................       32

                                  ARTICLE SEVEN
                                    REMEDIES

Section 7.01.  Events of Default...............................................................................       32
Section 7.02.  Acceleration of Maturity; Rescission and Annulment..............................................       34
Section 7.03.  Collection of Indebtedness and Suits for Enforcement by Trustee.................................       35
Section 7.04.  Trustee May File Proofs of Claim................................................................       36
Section 7.05.  Trustee May Enforce Claims without Possession of Securities.....................................       36
Section 7.06.  Application of Money Collected..................................................................       37
Section 7.07.  Limitation on Suits.............................................................................       37
Section 7.08.  Unconditional Right of Holders to Receive Principal, Premium and Interest.......................       38
Section 7.09.  Restoration of Rights and Remedies..............................................................       38
Section 7.10.  Rights and Remedies Cumulative..................................................................       38
Section 7.11.  Delay or Omission Not Waiver....................................................................       38
Section 7.12.  Control by Holders..............................................................................       39
Section 7.13.  Waiver of Past Defaults.........................................................................       39
Section 7.14.  Undertaking for Costs...........................................................................       39
Section 7.15.  Waiver of Stay or Extension Laws................................................................       40
</TABLE>

                                     -iii-

<PAGE>

<TABLE>
<S>                                                                                                                   <C>
                                  ARTICLE EIGHT
                                   THE TRUSTEE

Section 8.01.  Certain Duties and Responsibilities.............................................................       40
Section 8.02.  Notice of Defaults..............................................................................       41
Section 8.03.  Certain Rights of Trustee.......................................................................       41
Section 8.04.  Not Responsible for Recitals or Issuance of Securities..........................................       43
Section 8.05.  May Hold Securities.............................................................................       43
Section 8.06.  Money Held in Trust.............................................................................       43
Section 8.07.  Compensation and Reimbursement..................................................................       43
Section 8.08.  Disqualification; Conflicting Interests.........................................................       44
Section 8.09.  Corporate Trustee Required; Different Trustees for Different Series; Eligibility................       44
Section 8.10.  Resignation and Removal; Appointment of Successor...............................................       45
Section 8.11.  Acceptance of Appointment by Successor..........................................................       46
Section 8.12.  Merger, Conversion, Consolidation or Succession to Business.....................................       47
Section 8.13.  Preferential Collection of Claims against Company...............................................       47
Section 8.14.  Authenticating Agent............................................................................       47

                                  ARTICLE NINE
                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

Section 9.01.  Company to Furnish Trustee Names and Addresses of Holders.......................................       49
Section 9.02.  Preservation of Information; Communications to Holders..........................................       49
Section 9.03.  Reports by Trustee..............................................................................       50
Section 9.04.  Reports by Company..............................................................................       51

                                   ARTICLE TEN
                  CONSOLIDATION, MERGER, CONVEYANCE OR TRANSFER

Section 10.01.  Company May Consolidate, etc., Only on Certain Terms...........................................       51
Section 10.02.  Successor Corporation Substituted..............................................................       52

                                 ARTICLE ELEVEN
                             SUPPLEMENTAL INDENTURES

Section 11.01.  Supplemental Indentures without Consent of Holders.............................................       52
Section 11.02.  Supplemental Indentures with Consent of Holders................................................       54
Section 11.03.  Execution of Supplemental Indentures...........................................................       55
Section 11.04.  Notice of Supplemental Indenture...............................................................       55
Section 11.05.  Effect of Supplemental Indentures..............................................................       56
Section 11.06.  Conformity with Trust Indenture Act............................................................       56
Section 11.07.  Reference in Securities to Supplemental Indentures.............................................       56

                                 ARTICLE TWELVE
                                    COVENANTS

Section 12.01.  Payment of Principal, Premium and Interest.....................................................       56
Section 12.02.  Maintenance of Office or Agency................................................................       56
Section 12.03.  Money for Securities Payments to Be Held in Trust..............................................       57
Section 12.04.  Statement as to Compliance; Statement by Officers as to Default................................       58
</TABLE>

                                      -iv-

<PAGE>

<TABLE>
<S>                                                                                                                   <C>
Section 12.05.  Corporate Existence............................................................................       58
Section 12.06.  Permit No Vacancy in Office of Trustee.........................................................       58
Section 12.07.  Waiver.........................................................................................       58
Section 12.08.  Calculation of Original Issue Discount.........................................................       59

                                ARTICLE THIRTEEN
                         SUBORDINATION OF THE SECURITIES

Section 13.01.  Agreement to Subordinate.......................................................................       59
Section 13.02.  Liquidation, Dissolution, Bankruptcy...........................................................       59
Section 13.03.  Default on Senior Indebtedness.................................................................       59
Section 13.04.  Acceleration of Payment of Securities..........................................................       60
Section 13.05.  When Distribution Must Be Paid Over............................................................       60
Section 13.06.  Subrogation....................................................................................       61
Section 13.07.  Relative Rights................................................................................       61
Section 13.08.  Subordination May Not Be Impaired by Company...................................................       61
Section 13.09.  Rights of Trustee and Paying Agent.............................................................       61
Section 13.10.  Distribution or Notice to Representative.......................................................       62
Section 13.11.  Article Thirteen Not to Prevent Events of Default or Limit Right to Accelerate.................       62
Section 13.12.  Trust Monies Not Subordinated..................................................................       62
Section 13.13.  Trustee Entitled to Rely.......................................................................       62
Section 13.14.  Trustee to Effectuate Subordination............................................................       63
Section 13.15.  Trustee Not Fiduciary for Holders of Senior Indebtedness.......................................       63
Section 13.16.  Reliance by Holders of Senior Indebtedness on Subordination Provisions.........................       63
</TABLE>

                                      -v-

<PAGE>

            JUNIOR SUBORDINATED DEBT INDENTURE, dated as of September [*], 2006,
between CITIZENS BANKING CORPORATION, a Michigan corporation, having its
principal office at 328 South Saginaw Street, Flint, Michigan 48502 (the
"Company"), and U.S. BANK NATIONAL ASSOCIATION, a national banking association,
having its designated corporate trust office at 100 Wall Street, Suite 1600,
New York, New York 10005, as trustee hereunder (the "Trustee").

                            RECITALS OF THE COMPANY

            The Company is authorized to borrow money for its corporate purposes
and to issue debentures, notes or other evidences of unsecured indebtedness
therefor; and for its corporate purposes, the Company has determined to make and
issue its debentures, notes or other evidences of unsecured indebtedness to be
issued in one or more series (the "Securities"), as hereinafter provided, up to
such principal amount or amounts as may from time to time be authorized by or
pursuant to the authority granted in one or more resolutions of the Board of
Directors.

            All things necessary to make this Indenture a valid agreement of the
Company, in accordance with its terms, have been done.

            NOW, THEREFORE, THIS INDENTURE WITNESSETH:

            That, in consideration of the premises and of the mutual covenants
herein contained and of the purchase and acceptance of the Securities by the
holders thereof and of the sum of One Dollar to the Company duly paid by the
Trustee at or before the ensealing and delivery of these presents, and for other
valuable considerations, the receipt whereof is hereby acknowledged, and in
order to declare the terms and conditions upon which the Securities are to be
issued, IT IS HEREBY COVENANTED, DECLARED AND AGREED, by and between the parties
hereto, that all the Securities are to be executed, authenticated and delivered
subject to the further covenants and conditions hereinafter set forth; and the
Company, for itself and its successors, does hereby covenant and agree to and
with the Trustee and its successors in said trust, for the benefit of those who
shall hold the Securities, or any of them, as follows:

                                  ARTICLE ONE

             DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

            Section 1.01. Definitions.

            For all purposes of this Indenture, of all indentures supplemental
hereto and all Securities issued hereunder except as otherwise expressly
provided or unless the context otherwise requires: (a) the terms defined in this
Article shall have the meanings assigned to them in this Article, and include
the plural as well as the singular; (b) all terms used in this Indenture, in any
indenture supplemental hereto or in any such Securities which are defined in the
Trust Indenture Act shall have the meanings assigned to them in said Act; (c)
all accounting terms not otherwise defined herein or in such Securities shall
have the meanings assigned to them in accordance with generally accepted
accounting principles.

            Certain terms used in Article Eight hereof are defined in that
Article.

                                      -1-
<PAGE>

            "Act" when used with respect to any Holder has the meaning specified
in Section 1.04 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. 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.

            "Authenticating Agent": See Section 8.14 hereof.

            "Authorized Newspaper" means a newspaper of general circulation in
the same city in which the Place of Payment with respect to Securities of a
series shall be located or in the Borough of Manhattan, The City of New York,
printed in the English language and customarily published on each Business Day,
whether or not published on Saturdays, Sundays or holidays. Whenever successive
weekly publications in an Authorized Newspaper are required hereunder they may
be made (unless otherwise expressly provided herein) on the same or different
days of the week and in the same or in different Authorized Newspapers.

            "Bearer Rules" means the provisions of the Internal Revenue Code, in
effect from time to time, governing the treatment of bearer obligations and any
regulations thereunder including, to the extent applicable to any series of
Securities, proposed or temporary regulations.

            "Board of Directors" means either the board of directors of the
Company or any committee of that board duly authorized to act for it in respect
hereof.

            "Board Resolution" means a copy of a resolution or resolutions
certified by the Secretary or an Assistant Secretary of the Company to have been
duly adopted by the Board of Directors and to be in full force and effect on the
date of such certification, and delivered to the Trustee.

            "Business Day" means (i) when used with respect to any payment, each
Monday, Tuesday, Wednesday, Thursday and Friday which is not a day on which
banking institutions in the Place of Payment with respect to such payment are
authorized or required by law or executive order to close and (ii) when used for
any other purpose, each Monday, Tuesday, Wednesday, Thursday and Friday which is
not a day on which banking institutions in the Borough of Manhattan, The City of
New York, or in the city in which the Corporate Trust Office of the Trustee is
located are authorized or required by law or executive order to close.

            "Commission" means the Securities and Exchange Commission, as from
time to time constituted, created under the Exchange Act, or 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 on such date.

            "Company" means the corporation named as the "Company" in the first
paragraph of this instrument until a successor corporation shall have become
such pursuant to the

                                      -2-
<PAGE>

applicable provisions of this Indenture, and thereafter "Company" shall mean
each such successor corporation.

            "Company Consent," "Company Order" and "Company Request" mean,
respectively, a written consent, order or request signed in the name of the
Company by its Chairman of the Board, its Chairman of the Executive Committee of
the Board, any one of its Vice Chairmen, its President, any one of its Vice
Presidents, its Treasurer, any one of its Assistant Treasurers, its Comptroller,
any one of its Assistant Comptrollers, its Secretary or any one of its Assistant
Secretaries, and delivered to the Trustee.

            "Corporate Trust Office" means the designated office of the Trustee
at which at any particular time its corporate trust business shall be
principally administered, which office of U.S. Bank National Association, at the
date of the execution of this Indenture, is located at 100 Wall Street, Suite
1600, New York, New York 10005.

            "corporation" means a corporation, association, company or business
trust.

            "Defaulted Interest": See Section 3.08 hereof.

            "Depositary" when used with respect to the Securities of any series
issuable or issued, in whole or in part, in the form of a Global Security, means
the Person designated as Depositary by the Company pursuant to Section 3.01
until a successor Depositary shall have become such pursuant to the applicable
provisions of this Indenture, and thereafter "Depositary" shall mean or include
each Person who is then a Depositary hereunder, and if at any time there is more
than one such Person, "Depositary" as used with respect to the Securities of any
such series shall mean the Depositary with respect to the Securities of that
series.

            "Dollars" and the sign "$" mean the coin or currency of the United
States of America as at the time of payment is legal tender for the payment of
public and private debts.

            "Exchange Act" means the Securities Exchange Act of 1934, as
amended.

            "Event of Default": See Section 7.01 hereof.

            "Federal Bankruptcy Code": See Section 7.01 hereof.

            "Foreign Currency" means any currency issued by the government of
any country other than the United States of America or any composite currency
(including, without limitation, the European Currency Unit).

            "Global Security" means a Security issued to evidence all or a part
of any series of Securities which is executed by the Company and authenticated
and delivered to the Depositary or pursuant to the Depositary's instructions,
all in accordance with this Indenture and pursuant to a Company Order, which
shall be registered in the name of the Depositary or its nominee.

                                      -3-
<PAGE>

            "Holder" means, unless otherwise established as contemplated by
Section 3.01 with respect to the Securities of any series, a Person in whose
name a Security of any series is registered in the Securities Register for the
Securities of such series.

            "Indenture" means this instrument as originally executed, or as it
may be amended or supplemented from time to time as herein provided, and shall
include the form and terms of the Securities of each series established as
contemplated by Sections 2.01 and 3.01.

            "interest" when used with respect to any non-interest bearing
Security means interest payable after Maturity thereof.

            "Interest Payment Date" when used with respect to the Securities of
any series means the Stated Maturity of an installment of interest on the
Securities of such series.

            "Issue Date" means the first date on which Securities are issued
pursuant to this Indenture.

            "Maturity" when used with respect to any Security means the date on
which the principal of such Security becomes due and payable whether at the
Stated Maturity or by declaration of acceleration, call for redemption, pursuant
to a sinking fund, notice of option to elect repayment or otherwise.

            "Officer's Certificate" means a certificate of the Company signed by
its Chairman of the Board, its Chairman of the Executive Committee of the Board,
any one of its Vice Chairmen, its President, any one of its Vice Presidents, its
Treasurer, any one of its Assistant Treasurers, its Comptroller, any one of its
Assistant Comptrollers, its Secretary or any one of its Assistant Secretaries,
and delivered to the Trustee. Wherever this Indenture requires that an Officer's
Certificate be signed also by an accountant or other expert, such accountant or
other expert (except as otherwise expressly provided in this Indenture) may be
in the employ of the Company and shall be acceptable to the Trustee.

            "Opinion of Counsel" means a written opinion of the General Counsel
or Associate General Counsel of the Company, or other counsel for the Company
who may be an employee of the Company and, if not an employee of the Company,
who shall be acceptable to the Trustee.

            "Original Issue Discount Security" means any Security less than the
principal amount of which becomes due and payable upon a declaration of
acceleration pursuant to Section 7.02 hereof.

            "Outstanding" when used with respect to Securities means, as of the
date of determination, all Securities theretofore authenticated and delivered
under this Indenture, except:

            (a) Securities theretofore cancelled by the Trustee or delivered to
      the Trustee for cancellation;

            (b) Securities or portions thereof for whose payment or redemption
      money in the necessary amount has been theretofore deposited with the
      Trustee or any Paying

                                      -4-
<PAGE>

      Agent (other than the Company) in trust or set aside and segregated
      in trust by the Company (if the Company shall act as its own Paying Agent)
      for the Holders of such Securities; provided, however, that, if such
      Securities or portions thereof are to be redeemed, notice of such
      redemption has been duly given pursuant to this Indenture or provision
      therefor satisfactory to the Trustee has been made; and

            (c) Securities paid or in exchange for or in lieu of which other
      Securities have been authenticated and delivered pursuant to this
      Indenture unless proof satisfactory to the Trustee is presented that any
      such Securities are held by a holder in due course;

provided, however, that in determining whether the Holders of the requisite
principal amount of Securities Outstanding have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, (i) Securities
owned by the Company or any other obligor upon the Securities or any Affiliate
of the Company or such other obligor shall be disregarded and deemed not to be
Outstanding, except that, in determining whether the Trustee shall be protected
in relying upon any such request, demand, authorization, direction, notice,
consent or waiver, only Securities which a Responsible Officer of the Trustee
actually knows to be so owned shall be so disregarded (Securities so owned which
have been pledged in good faith may be regarded as Outstanding if the pledgee
establishes to the satisfaction of the Trustee the pledgee's right so to act
with respect to such Securities and that the pledgee is not the Company or any
other obligor upon the Securities or any Affiliate of the Company or such other
obligor), and (ii) the principal amount of an Original Issue Discount Security
that shall be deemed to be outstanding for such purposes shall be the amount of
the principal thereof that would be due and payable as of the date of such
determination upon a declaration of acceleration pursuant to Section 7.02
hereof.

            "Overdue Rate" when used with respect to the Securities of any
series means the rate designated as such, established as contemplated by Section
3.01 for the Securities of such series.

            "Paying Agent" means any Person authorized by the Company to pay the
principal of (or premium, if any) or interest, if any, on any Securities on
behalf of the Company.

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

            "Permitted Junior Securities" shall mean unsecured debt or equity
securities of the Company or any successor corporation issued pursuant to a plan
of reorganization or readjustment of the Company, as applicable, that are
subordinated in right of payment to all then outstanding Senior Indebtedness of
the Company, as applicable, at least to the same extent that the Securities are
subordinated to the payment of all Senior Indebtedness of the Company.

            "Place of Payment" when used with respect to the Securities of any
series means the place or places where the principal of (and premium, if any)
and interest, if any, on the Securities of such series are specified as payable,
established as contemplated by Section 3.01 or, if not so established, specified
in Section 12.02.

                                      -5-
<PAGE>

            "Predecessor Securities" of any particular Security means every
previous Security evidencing all or a portion of the same debt as that evidenced
by such particular Security; and for the purposes of this definition, any
Security authenticated and delivered under Section 3.06 hereof in lieu of a
mutilated, lost, destroyed or stolen Security shall be deemed to evidence the
same debt as the mutilated, lost, destroyed or stolen Security.

            "record date": See Section 3.08 hereof.

            "Redemption Date" when used with respect to any Security or portion
thereof to be redeemed means the date fixed for such redemption pursuant hereto.

            "Redemption Price" when used with respect to any Security or portion
thereof to be redeemed on any Redemption Date means the price at which it is to
be so redeemed, established as contemplated by Section 3.01 exclusive of
interest accrued and unpaid to such Redemption Date.

            "Representative" means the trustee, agent or representative (if any)
for an issue of Senior Indebtedness; provided that if, and for so long as, such
Senior Indebtedness lacks such a Representative, then the Representative for
such Senior Indebtedness shall at all times constitute the holder or holders of
a majority in outstanding principal amount of obligations under such Senior
Indebtedness.

            "Responsible Officer" when used with respect to the Trustee means
any officer of the Trustee authorized by the Trustee to administer its corporate
trust matters.

            "Securities": See RECITALS OF THE COMPANY herein.

            "Securities Register" and "Securities Registrar": See Section 3.05
hereof.

            "Senior Indebtedness" with respect to the Company means the
principal, premium (if any) and interest (including interest accruing on or
after the filing of any petition in bankruptcy or for reorganization relating to
the Company, whether or not such claim for post-petition interest is allowed in
such proceeding) on and of all indebtedness and obligations (other than the
Securities, but including any debentures, notes or other evidence of
indebtedness issued under the Senior Indenture or Senior Subordinated Indenture)
of, or guaranteed or assumed by, the Company that (i) are for borrowed money
(ii) are evidenced by bonds, debentures, notes or other similar instruments,
(iii) represent obligations to policyholders of insurance or investment
contracts, (iv) represent a reimbursement obligation with respect to a letter of
credit, banker's acceptance or similar facility, or (v) represent the deferred
purchase price of property or services, in each case, whether outstanding on the
Issue Date or thereafter created, incurred, assumed or guaranteed, and all
amendments, renewals, extensions, modifications and refundings of such
indebtedness and obligations, unless in any such case the instrument by which
such indebtedness or obligations are created, incurred, assumed or guaranteed by
the Company, or are otherwise evidenced, provides that they are subordinated, or
are not superior, in right of payment to the Securities; provided, however, that
Senior Indebtedness shall not include, as applicable:

            (1) any obligation of the Company to any Subsidiary of the Company,

                                      -6-
<PAGE>

            (2) any liability for Federal, state, local or other taxes owed or
      owing by the Company or any Subsidiary of the Company,

            (3) any accounts payable or other liability to trade creditors
      (including guarantees thereof or instruments evidencing such liabilities)

            (4) any obligations with respect to any capital stock of the
      Company, or

            (5) any indebtedness which by its terms is expressly made equal in
      rank and payment with or subordinated to the Securities.

            If any Senior Indebtedness is disallowed, avoided or subordinated
pursuant to the provisions of Section 548 of Title 11 of the United States Code
or any applicable state fraudulent conveyance law, such Senior Indebtedness
nevertheless will constitute Senior Indebtedness.

            "Senior Indenture" means an Indenture, dated as of September [*],
2006, between the Company and U.S. Bank National Association, as trustee, as the
same may be amended from time to time.

            "Senior Subordinated Indenture" means a Subordinated Indenture,
dated as of September [*], 2006, between the Company and U.S. Bank National
Association, as trustee, as the same may be amended from time to time.

            "Stated Maturity" when used with respect to any Security or any
installment of interest thereon means the date specified in such Security as the
fixed date on which the principal of such Security or such installment of
interest is due and payable.

            "Subsidiary" of any Person means (i) any corporation of which such
Person at the time owns or controls, directly or through an intervening medium,
more than fifty per cent (50%) of each class of outstanding Voting Stock, (ii)
any limited liability company, general partnership, joint venture, joint stock
company or similar entity, of which such Person at the time owns or controls,
directly or through an intervening medium, more than fifty per cent (50%) of its
outstanding partnership, membership or similar voting interests, as the case may
be and (iii) any limited partnership of which such Person, directly or through
an intervening medium, is a general partner, and unless otherwise specified
shall mean a Subsidiary of the Company.

            "Trustee" means the Person named as the "Trustee" in the first
paragraph of this instrument and, subject to the provisions of Article Eight
hereof, shall also include its successors and assigns as Trustee hereunder. If
there shall be at any one time more than one Trustee hereunder, "Trustee" shall
mean each such Trustee and shall apply to each such Trustee only with respect to
the Securities of those series with respect to which it is serving as Trustee.

            "Trust Indenture Act" and "TIA" means the Trust Indenture Act of
1939, as amended and as in force at the date as of which this instrument was
executed, except as provided in Section 11.06 hereof.

            "U.S. Government Obligations" means securities which are (i) direct
obligations of the United States of America for the payment of which its full
faith and credit is pledged or

                                      -7-
<PAGE>

(ii) obligations of a Person controlled or supervised by and acting as an agency
or instrumentality of the United States of America the payment of which is
unconditionally guaranteed as a full faith and credit obligation by the United
States of America, which, in either case, are not callable or redeemable at the
option of the issuer thereof, and which shall also include a depository receipt
issued by a bank or trust company as custodian with respect to any such
obligation set forth in (i) or (ii) above or a specific payment of interest on
or principal of any such obligation held by such custodian for the account of
the holder of a depository receipt; provided that (except as required by law)
such custodian is not authorized to make any deduction from the amount payable
to the holder of such depository receipt from any amount received by the
custodian in respect of the obligation evidenced by such depository receipt or
the specific payment of interest on or principal of such obligation.

            "Vice President" when used with respect to the Company means any
vice president, whether or not designated by a number or a word or words added
before or after the title "vice president."

            "Voting Stock" means stock of the class or classes having general
voting power under ordinary circumstances to elect at least a majority of the
board of directors, managers or trustees of such corporation (irrespective of
whether or not at the time stock of any other class or classes shall have or
might have voting power by reason of the happening of any contingency).

            Section 1.02. Compliance Certificates and Opinions.

            Upon any application or request by the Company to the Trustee to
take any action under any provision of this Indenture, the Company shall furnish
to the Trustee an Officer's Certificate stating that all conditions precedent
(including any covenant compliance with which constitutes a condition
precedent), if any, provided for in this Indenture relating to the proposed
action have been complied with and an Opinion of Counsel stating that in the
opinion of such counsel all such conditions precedent, if any, have been
complied with, except that in the case of any such application or request as to
which the furnishing of such documents is specifically required by any provision
of this Indenture relating to such particular application or request, no
additional certificate or opinion need be furnished.

            Every certificate or opinion with respect to compliance with a
condition or covenant provided for in this Indenture shall include

            (a) a statement that each individual signing such certificate or
      opinion has read such covenant or condition and the definitions herein
      relating thereto;

            (b) a brief statement as to the nature and scope of the examination
      or investigation upon which the statements or opinions contained in such
      certificate or opinion are based;

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

                                      -8-
<PAGE>

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

            Section 1.03. Form of Documents Delivered to Trustee.

            In any case where several matters are required to be certified by,
or covered by an opinion of, any specified Person, it is not necessary that all
such matters be certified by, or covered by the opinion of, only one such
Person, or that they be so certified or covered by only one document, but one
such Person may certify or give an opinion with respect to some matters and one
or more other such Persons as to other matters, and any such Person may certify
or give an opinion as to such matters in one or several documents.

            Any certificate or opinion of an officer of the Company may be
based, insofar as it relates to legal matters, upon a certificate or opinion of,
or representations by, counsel, unless such officer knows, or in the exercise of
reasonable care should know, that the certificate or opinion or representations
with respect to the matters upon which his certificate or opinion is based are
erroneous. Any such certificate or Opinion of Counsel may be based, insofar as
it relates to factual matters, upon a certificate or opinion of, or
representations by, an officer or officers of the Company stating that the
information with respect to such factual matters is in the possession of the
Company, unless such counsel knows, or in the exercise of reasonable care should
know, that the certificate or opinion or representations with respect to such
matters are erroneous.

            Any certificate, statement or opinion of an Officer of the Company
or of counsel may be based, insofar as it relates to accounting matters, upon a
certificate or opinion of or representations by an accountant or firm of
accountants in the employ of the Company, unless such Officer or counsel, as the
case may be, knows, or in the exercise of reasonable care should know, that the
certificate or opinion or representations with respect to the accounting matters
upon which his or her certificate, statement or opinion is based are erroneous.

            Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or other
instruments under this Indenture, they may, but need not, be consolidated to
form one instrument.

            Section 1.04. Act of Holders.

            (a) Any request, demand, authorization, direction, notice, consent,
      waiver or other action provided by this Indenture to be given or taken by
      Holders may be embodied in and evidenced by one or more instruments of
      substantially similar tenor signed by such Holders in person or by agent
      duly appointed in writing; and, except as herein otherwise expressly
      provided, such action shall become effective when such instrument or
      instruments are delivered to the Trustee, and, where it is hereby
      expressly required, to the Company. Such instrument or instruments (and
      the action embodied therein and evidenced thereby) are herein sometimes
      referred to as the "Act" of the Holders 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
      Indenture and

                                      -9-
<PAGE>

      (subject to Section 8.01 hereof) conclusive in favor of the Trustee
      and the Company, if made in the manner provided in this Section 1.04.

            (b) The fact and date of the execution by any Person of any such
      instrument or writing, or the authority of the Person executing the same,
      may be proved in any manner that the Trustee deems sufficient and in
      accordance with such reasonable requirements as the Trustee may determine.

            (c) The ownership of Securities of any series shall be proved by the
      Securities Register.

            (d) Any request, demand, authorization, direction, notice, consent,
      waiver or other action by the Holder of any Security shall bind the Holder
      of every Security issued upon the registration of transfer thereof or in
      exchange therefor or in lieu thereof in respect of anything done or
      suffered to be done by the Trustee or the Company or any agent of the
      Trustee or the Company in reliance thereon, whether or not notation of
      such action is made upon such Security.

            (e) The Company may set a record date for purposes of determining
      the identity of Holders entitled to vote or consent or take any other
      action under this Indenture, which record date shall not be more than 60
      days nor less than 10 days prior to the solicitation with respect thereto,
      and only such Holders shall be so entitled.

            Section 1.05. Notices, etc., to Trustee and Company.

            Any request, demand, authorization, direction, notice, consent,
waiver or Act of Holders or other document provided or permitted by this
Indenture to be made upon, given or furnished to, or filed with,

            (a) the Trustee by any Holder or by the Company shall be sufficient
      for every purpose hereunder if made, given, furnished or filed in writing
      to or with the Trustee at its Corporate Trust Office, or

            (b) the Company by the Trustee or by any Holder shall be sufficient
      for every purpose hereunder (except as provided in Subsection (d) of
      Section 7.01 hereof) if in writing (including telecopy) and mailed,
      first-class postage prepaid, to the Company addressed to it at the address
      of its principal office specified in the first paragraph of this
      instrument or at any other address previously furnished in writing to the
      Trustee by the Company.

            Section 1.06. Notice to Holders; Waiver.

            Where this Indenture provides for notice to Holders of any event,
such notice shall be sufficiently given (unless otherwise herein expressly
provided) if in writing and mailed, first-class postage prepaid, to each Holder
affected by such event, at his address as it appears in the Securities Register,
not later than the latest date, and not earlier than the earliest date,
prescribed for the giving of such notice. In any case where notice to Holders is
given by mail, neither the failure to mail such notice, nor any defect in any
notice so mailed, to any particular Holder shall affect the sufficiency of such
notice with respect to other Holders. Any notice

                                      -10-
<PAGE>

mailed in the manner prescribed by this Indenture shall be deemed to have been
given whether or not such Holder receives said notice. Where this Indenture
provides for notice in any manner, such notice may be waived in writing by the
Person entitled to receive such notice, either before or after the event, and
such waiver shall be the equivalent of such notice. Waivers of notice by Holders
shall be filed with the Trustee, but such filing shall not be a condition
precedent to the validity of any action taken in reliance upon such waiver.

            Section 1.07. Immunity of Incorporator, Stockholders, Officers and
Directors.

            No recourse shall be had for the payment of the principal of (and
premium, if any) or the interest, if any, on any Security of any series, or for
any claim based thereon, or upon any obligation, covenant or agreement of this
Indenture, against any incorporator, stockholder, officer or director, as such,
past, present or future of the Company or of any successor corporation, either
directly or indirectly through the Company or any successor corporation, whether
by virtue of any constitution, statute or rule of law or by the enforcement of
any assessment or penalty or otherwise; it being expressly agreed and understood
that this Indenture and all the Securities are solely corporate obligations, and
that no personal liability whatever shall attach to, or is incurred by, any
incorporator, stockholder, officer or director, past, present or future, of the
Company or of any successor corporation, either directly or indirectly through
the Company or any successor corporation, because of the incurring of the
indebtedness hereby authorized or under or by reason of any of the obligations,
covenants or agreements contained in this Indenture or in any of the Securities,
or to be implied herefrom or therefrom; and that all such personal liability is
hereby expressly released and waived as a condition of, and as part of the
consideration for, the execution of this Indenture and the issue of the
Securities.

            Section 1.08. Conflict with Trust Indenture Act.

            If any provision hereof limits, qualifies or conflicts with any
provision deemed to be included in this Indenture by any of the provisions of
the Trust Indenture Act, such deemed-included provision shall control.

            Section 1.09. Effect of Headings and Table of Contents.

            The Article and Section headings herein and the Table of Contents
are for convenience only and shall not affect the construction hereof.

            Section 1.10. Successors and Assigns.

            All covenants and agreements in this Indenture by the Company shall
bind its successors and assigns, whether so expressed or not.

            Section 1.11. Separability Clause.

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

                                      -11-
<PAGE>

            Section 1.12. Benefits of Indenture.

            Nothing in this Indenture or in the Securities, expressed or
implied, shall give to any Person, other than the parties hereto and their
successors hereunder, and the Holders of the Securities, any benefit or any
legal or equitable right, remedy or claim under this Indenture.

            Section 1.13. Governing Law.

            This Indenture and each Security shall be deemed to be a contract
made under the laws of the State of New York and this Indenture and each
Security for all purposes shall be governed by and construed in accordance with
the laws of the State of New York, without regard to conflicts of laws
principles thereof.

            Section 1.14. Cross References.

            All references herein to "Articles" and other subdivisions are to
the corresponding Articles or other subdivisions of this Indenture; and the
words "herein" "hereof" "hereby" "hereunder" "hereinbefore" and "hereinafter"
and other words of similar purport refer to this Indenture generally and not to
any particular Article, Section or other subdivision hereof.

            Section 1.15. Counterparts.

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

            Section 1.16. Legal Holidays.

            In any case where any Interest Payment Date, Redemption Date or
Stated Maturity of a Security of any series is not a Business Day at the
relevant Place of Payment with respect to Securities of such series, then
notwithstanding any other provision of this Indenture or the Securities, payment
of interest, if any, or principal and premium, if any, with respect to such
Security need not be made at such Place of Payment on such date but may be made
on the next succeeding Business Day at such Place of Payment with the same force
and effect as if made on such Interest Payment Date or Redemption Date or at the
Stated Maturity, and no interest shall accrue on such payment for the period
from and after such Interest Payment Date, Redemption Date or Stated Maturity,
as the case may be.

            Section 1.17. Securities in Foreign Currencies.

            Whenever this Indenture provides for any action by, or any
distribution to, Holders of Securities denominated in Dollars and in any Foreign
Currency, in the absence of any provision to the contrary established as
contemplated by Section 3.01 for the Securities of any particular series, any
amount in respect of any Security denominated in a Foreign Currency shall be
treated for any such action or distribution as that amount of Dollars that could
be obtained for such amount on such reasonable basis of exchange and as of such
date as the Company may specify in a Company Order.

                                      -12-
<PAGE>

            Section 1.18. Treatment of Securities as Debt.

            It is intended that the Securities shall be treated as indebtedness
and not as equity for federal income tax purposes. The provisions of this
Indenture shall be interpreted to further this intention.

            Section 1.19. Force Majeure.

            In no event shall the Trustee be responsible or liable for any
failure or delay in the performance of its obligations hereunder arising out of
or caused by, directly or indirectly, forces beyond its control, including,
without limitation, strikes, work stoppages, accidents, acts of war or
terrorism, civil or military disturbances, nuclear or natural catastrophes or
acts of God, and interruptions, loss or malfunctions of utilities,
communications or computer (software and hardware) services; it being understood
that the Trustee shall use reasonable efforts which are consistent with accepted
practices in the banking industry to resume performance as soon as practicable
under the circumstances.

            Section 1.20. Waiver of Jury Trial.

            EACH OF THE COMPANY AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES, TO
THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY
JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS INDENTURE, THE
NOTES OR THE TRANSACTION CONTEMPLATED HEREBY.

                                  ARTICLE TWO

                                 SECURITY FORMS

            Section 2.01. Forms Generally.

            The Securities of each series shall be in substantially the forms as
shall be established by or pursuant to Board Resolution or one or more
indentures supplemental hereto, in each case with such appropriate insertions,
omissions, substitutions and other variations as are required or permitted by
this Indenture or any indenture supplemental hereto, and may have such letters,
numbers or other marks of identification and such legends or endorsements placed
thereon as may be required to comply with any law or with any rules made
pursuant thereto or with any rules of any securities exchange or as may,
consistently herewith, be determined by the officers executing such Securities,
as evidenced by their execution of the Securities.

            The definitive Securities of each series shall be printed,
lithographed or engraved or produced by any combination of these methods on
steel engraved borders or may be produced in any other manner, all as determined
by the officers executing such Securities, as evidenced by their execution of
such Securities.

            Section 2.02. Form of Certificate of Authentication.

            The Certificate of Authentication on all Securities shall be in
substantially the following form:

            This is one of the Securities of the series designated herein and
referred to in the within-mentioned Indenture.

                                      U.S. Bank National Association, as Trustee

                                      By______________________________________
                                                 Authorized Signatory

                                                       or

                                      By______________________________________
                                                [As Authenticating Agent]

                                      -13-
<PAGE>

                                        By______________________________________
                                                    [Authorized Officer]

            Section 2.03. Securities in Global Form.

            If any Security of a series is issuable as a Global Security (in
whole or in part), such Global Security may provide that it shall represent the
aggregate principal amount of Outstanding Securities of such series from time to
time represented thereby in the records of the Trustee or endorsed thereon and
may also provide that the aggregate principal amount of Outstanding Securities
of such series represented thereby in the records of the Trustee or endorsed
thereon may from time to time be reduced or increased. Any change in the records
of the Trustee or any endorsement of a Global Security to reflect the aggregate
principal amount, or any increase or decrease in the amount, of Outstanding
Securities represented thereby shall be made by the Trustee in accordance with
provisions established as contemplated by Section 3.01.

                                 ARTICLE THREE

                                 THE SECURITIES

            Section 3.01. Amount Unlimited; Issuable in Series.

            The aggregate principal amount of Securities which may be
authenticated and delivered under this Indenture is unlimited.

            The Securities may be issued in one or more series. There shall be
established in or pursuant to a Board Resolution or one or more indentures
supplemental hereto, prior to the issuance of any Securities of any series:

            (a) the title of the Securities of such series (which shall
      distinguish the Securities of such series from all other series of
      Securities);

            (b) any limit upon the aggregate principal amount of the Securities
      of such series which may be authenticated and delivered under this
      Indenture (except for Securities authenticated and delivered pursuant to
      Section 3.05, 3.06, 3.07, 4.07, or 11.07 hereof);

            (c) the date or dates, or the method by which such date or dates
      will be determined or extended, on which the principal of and premium, if
      any, on the Securities of such series is payable;

            (d) the Persons to whom interest on Securities of such series shall
      be payable, if other than the Persons in whose names such Securities are
      registered at the close of business on the record date for such interest;

            (e) the rate or rates, or the method to be used in determining the
      rate or rates, at which the Securities of such series shall bear interest,
      if any, the date or dates from which such interest shall accrue or the
      method by which such date or dates shall be

                                      -14-
<PAGE>

      determined, the Interest Payment Dates on which such interest shall
      be payable and, if other than as set forth in Section 3.08 hereof, the
      record date for the determination of Holders to whom such interest is
      payable, and the basis upon which Interest shall be calculated if other
      than as set forth in Section 3.11;

            (f) the place or places at which (i) the principal of and premium,
      if any, and interest, if any, on Securities of such series shall be
      payable if other than as set forth in the third sentence of Section 12.02,
      (ii) registration of transfer of Securities of such series may be
      effected, (iii) exchanges of Securities of such series may be effected and
      (iv) notice and demands to or upon the Company in respect of the
      Securities of such series and this Indenture may be served; and if such is
      the case, that the principal of such Securities shall be payable without
      the presentment or surrender thereof;

            (g) the price or prices at which, the period or periods within which
      and the terms and conditions upon which Securities of such series may be
      redeemed, in whole or in part, at the option of the Company, at the option
      of a Holder or otherwise;

            (h) the obligation, if any, of the Company to redeem, purchase or
      repay Securities of such series pursuant to any sinking fund or analogous
      provisions or at the option of a Holder thereof and the price or prices at
      which, the period or periods within which and the terms and conditions
      upon which Securities of such series shall be redeemed, purchased or
      repaid, in whole or in part, pursuant to such obligation;

            (i) if other than Dollars, the Foreign Currency or Foreign
      Currencies in which payment of the principal of and premium, if any, and
      interest, if any, on the Securities of such series shall be payable or in
      which such Securities will be denominated;

            (j) if the principal of and premium, if any, or interest, if any, on
      the Securities of such series are to be payable, at the election of the
      Company or a Holder thereof, in a coin or currency (including a composite
      currency) other than that in which such Securities are stated to be
      payable, the period or periods within which, and the terms and conditions
      upon which, such election may be made;

            (k) if denominated or payable in any coin or currency, including
      composite currencies, other than Dollars, or if the terms of the
      Securities provide that the principal amount thereof payable at maturity
      may be more or less than the principal face amount thereof at original
      issuance, the method by which the Securities of such series shall be
      valued, which may be any reasonable method, against the Securities of all
      other series for voting, the giving of any request, demand, authorization,
      direction, notice, consent or waiver, distribution and all other purposes
      hereof and any provisions required for purposes of applying Sections 6.01
      and 6.02 hereof;

            (l) if the amount of payments of principal of and premium, if any,
      or interest, if any, on the Securities of such series may be determined
      with reference to an index, the formula or other method (which may be
      based on one or more currencies (including a composite currency),
      commodities, equity indices or other indices), and the manner in which
      such amounts shall be determined;

                                      -15-
<PAGE>

            (m) if other than denominations of $1,000 and any integral multiple
      thereof, the denominations in which Securities of such series shall be
      issuable;

            (n) if other than the principal amount thereof, the portion of the
      principal amount of Securities of such series which shall be payable upon
      declaration of acceleration of the Maturity thereof pursuant to Section
      7.02 hereof or the method by which such portion shall be determined;

            (o) any addition to, or modification or deletion of, any Event of
      Default or any covenant of the Company specified herein with respect to
      the Securities of such series;

            (p) if other than the rate of interest stated in the title of the
      Securities of such series, the applicable Overdue Rate;

            (q) if the Securities of such series do not bear interest, the
      applicable dates for purposes of Section 9.01 hereof;

            (r) the inapplicability to the Securities of such series of Section
      6.02 relating to satisfaction, discharge and defeasance of Securities or,
      if applicable, any modification to Section 6.02 with respect to the
      Securities of such series;

            (s) if other than U.S. Bank National Association is to act as
      Trustee for the Securities of such series, the name and Corporate Trust
      Office of such Trustee;

            (t) whether the Securities of such series shall be issued in whole
      or in part in the form of a Global Security or Securities and, in such
      case the terms and conditions, if any, upon which such Global Security or
      Securities may be exchanged in whole or in part for other definitive
      Securities, the Depositary for such Global Security or Securities (which
      shall be a clearing agency registered under the Exchange Act, or any other
      applicable statute or regulation, to the extent required thereunder),
      whether such Global Security shall be permanent or temporary, any
      limitations on the rights of the Holder or Holders to transfer or exchange
      the same or to obtain the registration of transfer thereof in addition to
      or in lieu of those set forth in Section 3.05, any limitations on the
      rights of the Holder or Holders thereof to obtain certificates in
      definitive form, and, the provisions for determining the aggregate
      principal amount of Outstanding Securities from time to time represented
      thereby and any and all matters incidental to such Global Security or
      Securities;

            (u) if the Securities of such series may be converted into or
      exchanged for other securities of the Company or any other Persons, the
      terms and conditions pursuant to which the Securities of such series may
      be converted or exchanged;

            (v) if the principal of or premium, if any, or interest, if any, on
      the Securities of such series are to be payable, at the election of the
      Company or a Holder thereof, in securities or other property, the type and
      amount of such securities or other property, or the method by which such
      amount shall be determined, and the periods within which, and the terms
      and conditions upon which, any such election may be made;

                                      -16-
<PAGE>

            (w) if the Securities of any such series are to be issuable as
      bearer securities, any and all matters incidental thereto;

            (x) if the Securities of such series are to be issued upon the
      exercise of a warrant or right, the time, manner and place for such
      Securities to be authenticated and delivered; and

            (y) any other terms of the Securities of such series (which terms
      shall conform to any applicable requirements of the TIA, and shall not
      materially adversely affect the rights of the Holders of Securities then
      outstanding).

            All Securities of any one series shall be substantially identical
except as to principal amount and except as may otherwise be established as
contemplated by this Section 3.01.

            Section 3.02. Denominations.

            Unless otherwise established as contemplated by Section 3.01, the
Securities of each series shall be issuable only in registered form without
coupons in such denominations as shall be established as contemplated by Section
3.01 or in the absence thereof, in denominations of $1,000 and any integral
multiple thereof.

            Section 3.03. Authentication and Dating.

            At any time and from time to time after the execution and delivery
of this Indenture, the Company may deliver Securities of any series executed by
the Company to the Trustee for authentication. Except as otherwise provided in
this Article, the Trustee shall thereupon authenticate and deliver, or cause to
be authenticated and delivered, said Securities pursuant to a Company Order. In
authenticating (or causing authentication of) such Securities, and accepting the
additional responsibilities under this Indenture in relation to such Securities,
the Trustee shall receive, prior to the authentication of such Securities, and
(subject to Sections 8.01 and 8.03 hereof) shall be fully protected in
conclusively relying upon:

            (a) a Board Resolution relating thereto and, if applicable, an
      appropriate record of any action taken pursuant to such resolution, in
      each case certified by the Secretary or an Assistant Secretary of the
      Company;

            (b) an executed supplemental indenture, if any, relating thereto;

            (c) an Officer's Certificate setting forth the form and terms of the
      Securities of such series as established as contemplated by Sections 2.01
      and 3.01 hereof (to the extent not set forth in the documents delivered
      pursuant to Subsection 3.03(a) or 3.03(b)) and stating that all conditions
      precedent provided for in this Indenture relating to the issuance of such
      Securities have been complied with, that no Event of Default with respect
      to the Securities of any Series has occurred and is continuing and that
      the issuance of such Securities is not and will not result in (i) an Event
      of Default or an event or condition which, upon the giving of notice or
      the lapse of time or both, would become

                                      -17-
<PAGE>

      an Event of Default or (ii) a default under the provisions of any
      other instrument or agreement by which the Company is bound; and

            (d) an Opinion of Counsel stating

                  (i) that the form and terms of such Securities have been
            established as contemplated by Sections 2.01 and 3.01 in conformity
            with the provisions of this Indenture; and

                  (ii) that such Securities, when executed and delivered by the
            Company, and authenticated and delivered by or on behalf of the
            Trustee in the manner and subject to any conditions specified in
            such Opinion of Counsel, will constitute legal, valid and binding
            obligations of the Company, enforceable in accordance with their
            terms, subject to bankruptcy, insolvency, reorganization and other
            laws of general applicability relating to or affecting the
            enforcement of creditors' rights, to general principles of equity
            and to such other qualifications as such counsel shall conclude do
            not materially affect the rights of Holders of such Securities.

            The Trustee shall have the right to decline to authenticate and
deliver, or cause to be authenticated and delivered, any Securities under this
Section 3.03 if the Trustee, being advised by counsel, determines that such
action may not lawfully be taken or if the Trustee in good faith shall determine
that such action would expose the Trustee to personal liability to existing
Holders or would otherwise adversely affect its rights, duties, obligations or
immunities hereunder.

            Unless otherwise provided in the form of Securities of any
particular series, each Security shall be dated the date of its authentication.

            Section 3.04. Execution of Securities.

            The Securities shall be signed in the name and on behalf of the
Company by the manual or facsimile signatures of its Chairman of the Board, any
one of its Vice Chairmen, its President or any one of its Vice Presidents, under
its corporate seal (which may be printed, engraved or otherwise reproduced
thereon, by facsimile or otherwise) and attested to by its Secretary or any one
of its Assistant Secretaries, whose signatures may be manual or facsimile. Only
such Securities as shall bear thereon a certificate of authentication
substantially in the form hereinbefore recited, executed by or on behalf of the
Trustee by manual signature, shall be entitled to the benefits of this Indenture
or be valid or obligatory for any purpose. Such certificate by or on behalf of
the Trustee upon any Security executed by the Company shall be conclusive
evidence that the Security so authenticated has been duly authenticated and
delivered hereunder and that the Holder is entitled to the benefits of this
Indenture.

            In case any officer of the Company who shall have signed any of the
Securities shall cease to be such officer before the Securities so signed shall
have been authenticated and delivered by or on behalf of the Trustee, or
disposed of by the Company, such Securities nevertheless may be authenticated
and delivered or disposed of as though the person who signed such Securities had
not ceased to be such officer of the Company; and any Security may be

                                      -18-
<PAGE>

signed on behalf of the Company by such persons as, at the actual date of the
execution of such Security, shall be the proper officers of the Company,
although at the date of the execution of this Indenture any such person was not
such an officer.

            Section 3.05. Exchange and Registration of Transfer of Securities.

            Securities of any series (except for Global Securities, which may
only be exchanged in limited circumstances described below) may be exchanged for
a like aggregate principal amount of Securities of the same series of other
authorized denominations. Unless otherwise established as contemplated by
Section 3.01, Securities to be exchanged shall be surrendered at any of the
offices or agencies of the Company maintained as provided in Section 12.02
hereof for such purpose, and the Company shall execute and register, or cause to
be registered, and the Trustee shall authenticate and deliver, or cause to be
authenticated and delivered, in exchange therefor the Security or Securities
which the Holder making such exchange shall be entitled to receive.

            Unless otherwise established as contemplated by Section 3.01, the
Company shall keep at the office or agency in the same city in which the
Corporate Trust Office of the Trustee is located, a register for the Securities
of each series issued hereunder (the register maintained at such office or
agency and at any other office or agency of the Company in a Place of Payment
being herein collectively referred to as the "Securities Register") in which,
subject to such reasonable regulations as it may prescribe, the Company shall
provide for the registration of Securities of such series and registration of
transfer of such Securities as provided in this Article. Such Securities
Register shall be in written form or in any other form capable of being
converted into written form within a reasonable time. The Trustee is hereby
initially appointed "Securities Registrar" for the purpose of registering
Securities and registering transfers of Securities as herein provided. Upon due
presentment for registration of transfer of any Security of any series at any of
the offices or agencies of the Company maintained as provided in Section 12.02
hereof for such purpose, the Company shall execute and register, or cause to be
registered, and the Trustee shall authenticate and deliver, or cause to be
authenticated and delivered, in the name of the transferee or transferees a new
Security or Securities of the same series in authorized denominations for an
equal aggregate principal amount.

            Every Security issued upon registration of transfer or exchange of
Securities pursuant to this Section 3.05 shall be the valid obligation of the
Company, evidencing the same debt, and entitled to the same benefits under this
Indenture, as the Security or Securities surrendered upon registration of such
transfer or exchange.

            All Securities presented for registration of transfer or for
exchange, redemption or payment shall (if so required by the Company, the
Trustee or the Securities Registrar) be duly endorsed by, or be accompanied by,
a written instrument or instruments of transfer in form satisfactory to the
Company, the Trustee and the Securities Registrar duly executed by the Holder
thereof or his attorney duly authorized in writing.

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

                                      -19-
<PAGE>

exchange of Securities, other than exchanges pursuant to Section 3.07, 4.07 or
11.07 hereof not involving any transfer.

            The Company shall not be required (a) to issue, register the
transfer of or exchange any Security of any series during a period beginning at
the opening of business 15 days before the day of the mailing of a notice of
redemption of Securities of such series and ending at the close of business on
the day of such mailing or (b) to register the transfer of or exchange any
Security selected for redemption in whole or in part, except, in the case of any
Security to be redeemed in part, the portion thereof not to be redeemed.

            Each Global Security authenticated under this Indenture shall be
registered in the name of the Depositary designated for such Global Security or
a nominee thereof and delivered to such Depositary or a custodian therefor, and
each such Global Security shall constitute a single Security for all purposes of
this Indenture. Notwithstanding the foregoing and except as otherwise specified
as contemplated by Section 3.01, no Global Security shall be registered for
transfer or exchange, or authenticated or delivered, pursuant to this Section
3.05 or Sections 3.06, 3.07, 4.07 or 11.07 in the name of a Person other than
the Depositary for such Security or its nominee until (i) the Depositary with
respect to a Global Security notifies the Company in writing that it is
unwilling or unable to continue as Depositary for such Global Security or the
Depositary ceases to be a clearing agency registered under the Exchange Act or
other applicable statute or regulation if required thereunder, and the Company
notifies the Trustee that it is unable to locate a qualified successor
Depositary, (ii) the Company executes and delivers to the Trustee a Company
Order that such Global Security shall be so transferable and exchangeable or
(iii) there shall have occurred and be continuing an Event of Default with
respect to the Securities of such Series. Upon the occurrence in respect of any
Global Security of any series of any one or more of the conditions specified in
clauses (i), (ii) or (iii) of the preceding sentence or such other conditions as
may be specified as contemplated by Section 3.01 for such series, such Global
Security may be registered for transfer or exchange for Securities registered in
the names of, or authenticated and delivered to, such Persons as the Depositary
with respect to such series shall instruct the Trustee in writing. The Trustee,
upon receipt of such instruction, will authenticate and deliver Securities of
such series of like tenor and terms in definitive form in an aggregate principal
amount equal to the principal amount of the Global Security or Securities
representing such series in exchange for such Global Security or Securities.

            Except as provided in the preceding paragraph, any Security
authenticated and delivered upon registration of transfer or, or in exchange
for, or in lieu of, any Global Security or any portion thereof, whether pursuant
to this Section 3.05, Section 3.06, 3.07, 4.07 or 11.07 or otherwise, shall also
be a Global Security. Notwithstanding any other provision of this Indenture, a
Global Security may not be transferred except as a whole by the Depositary for
such Global Security to a nominee of such Depositary or to another Depositary or
a nominee thereof or by a nominee of such Depositary to such Depositary or
another nominee of such Depositary or to another Depositary or a nominee
thereof.

            Upon such terms established as contemplated by Section 3.01 with
respect to the Securities of any series, the Depositary for the Securities of
such series may surrender a Global Security for such series in exchange in whole
or in part for Securities of such series of like tenor and terms and in
definitive form. Thereupon the Company shall execute, and the Trustee upon

                                      -20-
<PAGE>

receipt of a Company Order shall authenticate and deliver, without service
charge, (i) to the Depositary or to each Person specified by such Depositary a
new Security or Securities of the same series, of like tenor and terms in
definitive form and of any authorized denomination as requested by such Person
in aggregate principal amount equal to and in exchange for such Person's
beneficial interest in the Global Security, and (ii) to such Depositary a new
Global Security of like tenor and terms and in a principal amount equal to the
difference, if any, between the principal amount of the surrendered Global
Security and the aggregate principal amount of Securities delivered pursuant to
clause (i).

            Upon the exchange of a Global Security for Securities in definitive
form, such Global Security shall be cancelled by the Trustee. Definitive
Securities issued in exchange for a Global Security pursuant to this Section
shall either be in global form, established as contemplated by Sections 2.01 and
3.01, or shall be registered in such names and in such authorized denominations
and delivered to the Depositary or to such Persons at such addresses as the
Depositary for such Global Security, pursuant to instructions from its direct or
indirect participants or otherwise, shall instruct the Trustee in writing.

            Section 3.06. Mutilated, Destroyed, Lost or Stolen Securities.

            In case any temporary or definitive Security of any series shall
become mutilated or be destroyed, lost or stolen, and in the absence of notice
to the Company or the Trustee that such Security has been acquired by a bona
fide purchaser, the Company in the case of a mutilated Security shall, and in
the case of a lost, stolen or destroyed Security may in its discretion, execute,
and upon a Company Request the Trustee shall authenticate and deliver, or cause
to be authenticated and delivered, a new Security of the same series bearing a
number, letter or other distinguishing symbol not contemporaneously outstanding,
in exchange and substitution for the mutilated Security, or in lieu of and in
substitution for the Security so destroyed, lost or stolen, or if any such
Security shall have become due and payable or shall be about to become due and
payable, instead of issuing a substituted Security, the Company may pay or
authorize the payment of the same without surrender thereof (except in the case
of a mutilated Security). In every case the applicant for a substituted Security
shall furnish to the Company and to the Trustee such security or indemnity as
may be required by them to save each of them harmless, and, in every case of
destruction, loss or theft, the applicant shall also furnish to the Company and
to the Trustee evidence to their satisfaction of the destruction, loss or theft
of such Security and of the ownership thereof.

            Upon the issuance of any substituted Security under this Section
3.06, the Company may require the payment of a sum sufficient to cover any tax
or other governmental charge that may be imposed in relation thereto and any
other expenses (including the fees and expenses of the Trustee and any
Authenticating Agent) connected therewith.

            Every substituted Security of any series issued pursuant to the
provisions of this Section 3.06 by virtue of the fact that any Security of such
series is destroyed, lost or stolen shall constitute an additional contractual
obligation of the Company, whether or not the destroyed, lost or stolen Security
shall be at any time enforceable by anyone, and shall be entitled to all the
benefits of this Indenture equally and proportionately with any and all other
Securities of that series duly issued hereunder. All Securities shall be held
and owned upon the express condition

                                      -21-
<PAGE>

that the foregoing provisions of this Section 3.06 are exclusive with respect to
the replacement or payment of mutilated, destroyed, lost or stolen Securities
and shall preclude (to the extent lawful) any and all other rights or remedies
with respect to the replacement or payment of negotiable instruments or other
securities without their surrender.

            Section 3.07. Temporary Securities.

            Pending the preparation of definitive Securities of any series the
Company may execute and the Trustee shall authenticate and deliver, or cause to
be authenticated and delivered, temporary Securities of such series (printed,
lithographed, typewritten, mimeographed or otherwise produced). Temporary
Securities shall be issuable in any authorized denomination and substantially in
the form of the definitive Securities in lieu of which they are issued but with
such omissions, insertions and variations as may be appropriate for temporary
Securities, all as may be determined by the Company with the concurrence of the
Trustee. Every such temporary Security shall be executed by the Company and
shall be authenticated by or on behalf of Trustee upon the same conditions and
in substantially the same manner, and with the same effect, as the definitive
Securities in lieu of which they are issued. Without unreasonable delay the
Company will execute and deliver to the Trustee definitive Securities of such
series and thereupon any or all temporary Securities of such series may be
surrendered in exchange therefor, at any of the offices or agencies of the
Company maintained as provided in Section 12.02 hereof for such purpose, and the
Trustee shall authenticate and deliver, or cause to be authenticated and
delivered, in exchange for such temporary Securities an equal aggregate
principal amount of definitive Securities of such series. Such exchange shall be
made by the Company at its own expense and without any charge therefor except
that in case of any such exchange involving any registration of transfer the
Company may require payment of a sum sufficient to cover any tax or other
governmental charge that may be imposed in relation thereto. Until so exchanged,
the temporary Securities of any series shall in all respects be entitled to the
same benefits under this Indenture as definitive Securities of such series
authenticated and delivered hereunder. Notwithstanding the foregoing provisions
of this Section 3.07, Global Securities may remain in temporary form and, unless
otherwise established as contemplated by Section 3.01, shall not be exchangeable
for definitive Global Securities.

            Section 3.08. Payment of Interest; Interest Rights Preserved.

            The Holder at the close of business on any record date with respect
to any Interest Payment Date shall be entitled to receive the interest, if any,
payable on such Interest Payment Date notwithstanding the cancellation of such
Securities upon any transfer or exchange subsequent to the record date and prior
to such Interest Payment Date. Except as otherwise established as contemplated
by Section 3.01 for Securities of a particular series, the term "record date" as
used in this Section 3.08 with respect to any Interest Payment Date, shall mean
the last day of the calendar month preceding such Interest Payment Date if such
Interest Payment Date is the fifteenth day of the calendar month, and shall mean
the fifteenth day of the calendar month preceding such Interest Payment Date if
such Interest Payment Date is the first day of the calendar month, whether or
not such day shall be a Business Day.

            If and to the extent the Company shall default in the payment of the
interest due on such Interest Payment Date, such defaulted interest (herein
called "Defaulted Interest") shall

                                      -22-
<PAGE>

forthwith cease to be payable to the registered Holder on such record date by
virtue of having been such Holder; and such Defaulted Interest shall be paid by
the Company, at its election in each case, as provided in clause (a) or (b)
below:

            (a) The Company may make payment of any Defaulted Interest to the
      Holders entitled thereto at the close of business on a subsequent record
      date established in the following manner. The Company shall notify the
      Trustee in writing of the amount of Defaulted Interest proposed to be paid
      on each applicable Security and the date of the proposed payment, and at
      the same time the Company shall deposit with the Trustee an amount of
      money equal to the aggregate amount proposed to be paid in respect of such
      Defaulted Interest or shall make arrangements satisfactory to the Trustee
      for such deposit prior to the date of the proposed payment, such money
      when deposited to be held in trust for the benefit of the Holders entitled
      to such Defaulted Interest as in this clause (a) provided. Thereupon the
      Trustee shall fix a record date for the payment of such Defaulted Interest
      which shall not be more than 15 days and not less than 10 days prior to
      the date of the proposed payment and not less than 10 days after the
      receipt by the Trustee of the notice of the proposed payment. The Trustee
      shall promptly notify the Company of such record date and, in the name and
      at the expense of the Company, shall cause notice of the proposed payment
      of such Defaulted Interest and the record date therefor to be mailed,
      first-class postage prepaid, to each Holder entitled thereto at his
      address as it appears on the Securities Register, not less than 10 days
      prior to such record date. Notice of the proposed payment of such
      Defaulted Interest and the record date therefor having been mailed as
      aforesaid, such Defaulted Interest shall be paid to the Holders of
      applicable Securities at the close of business on such record date
      (notwithstanding the cancellation of such Securities upon any transfer or
      exchange subsequent to such record date and prior to such payment) and
      shall no longer be payable pursuant to the following clause (b).

            (b) The Company may make payment of any Defaulted Interest on the
      Securities of any series in any other lawful manner not inconsistent with
      the requirements of any securities exchange on which the Securities of
      such series may be listed, and upon such notice as may be required by such
      exchange, if, after notice given by the Company to the Trustee of the
      proposed payment pursuant to this clause (b), such manner of payment shall
      be deemed practicable by the Trustee. Subject to the foregoing provisions
      of this Section 3.08, each Security delivered under this Indenture upon
      registration of transfer of or in exchange for or in lieu of any other
      Security shall carry the rights to interest accrued and unpaid, and to
      accrue, which were carried by such other Security.

            Section 3.09. Persons Deemed Owners.

            Prior to the due presentment for registration of transfer, the
Company, the Trustee and any agent of the Company or the Trustee may treat the
Person in whose name any Security is registered as the owner of such Security
for the purpose of receiving payment of principal of and premium, if any and
(subject to Section 3.08 hereof) interest, if any, on such Security and for all
other purposes whatsoever, whether or not such Security be overdue, and neither
the Company, the Trustee nor any agent of the Company or the Trustee shall be
affected by notice to the contrary.

                                      -23-
<PAGE>

            None of the Company, the Trustee, any Paying Agent or the Securities
Registrar shall have any responsibility or liability for any aspect of the
records relating to or payments made on account of beneficial ownership
interests in a Global Security or for maintaining, supervising or reviewing any
records relating to such beneficial ownership interests and they shall be
protected in acting or refraining from acting on any such information provided
by the Depositary.

            Section 3.10. Cancellation.

            All Securities surrendered for the purpose of payment, redemption,
exchange or registration of transfer or for credit against any sinking fund
shall, if surrendered to the Company or any Paying Agent or any Securities
Registrar, be surrendered to the Trustee and promptly cancelled by it, or, if
surrendered to the Trustee, shall be promptly cancelled by it, and no Securities
shall be issued in lieu thereof except as expressly permitted by any of the
provisions of this Indenture. The Trustee shall dispose of cancelled Securities
in accordance with its customary procedures. If the Company shall acquire any of
the Securities, however, such acquisition shall not operate as a redemption or
satisfaction of the indebtedness represented by such Securities unless and until
the same are surrendered to the Trustee for cancellation.

            Section 3.11. Computation of Interest.

            Except as otherwise established as contemplated by Section 3.01
hereof for Securities of any series, interest on the Securities shall be
computed on the basis of a 360-day year of twelve 30-day months.

            Section 3.12 CUSIP Numbers.

            The Company in issuing the Securities may use "CUSIP" numbers (if
then generally in use), and, if so, the Trustee shall use "CUSIP" numbers in
notices of redemption as a convenience to Holders; provided that any such notice
may state that no representation is made as to the correctness of such numbers
either as printed on the Securities or as contained in any notice of a
redemption and that reliance may be placed only on the other identification
numbers printed on the Securities, and any such redemption shall not be affected
by any defect in or omission of such numbers. The Company will promptly notify
the Trustee in writing of any change in the "CUSIP" numbers.

                                  ARTICLE FOUR

                            REDEMPTION OF SECURITIES

            Section 4.01. Applicability of Article.

            The provisions of this Article shall be applicable to all Securities
which are redeemable before their Stated Maturity except as otherwise
established as contemplated by Section 3.01 hereof for Securities of any series.

            Section 4.02. Election to Redeem; Notice to Trustee.

            The election of the Company to redeem any Securities of any series
shall be evidenced by or pursuant to a Board Resolution. In case of any
redemption at the election of the Company of the Securities of a series, the
Company shall, at least 60 days prior to the Redemption Date fixed by the
Company (unless a shorter notice shall be satisfactory to the Trustee) deliver
to the Trustee an Officer's Certificate setting forth such Redemption Date and
the principal amount of Securities of such series to be redeemed and stating
that no default in payment of interest or Event of Default has occurred and is
continuing with respect to the Securities of such series.

                                      -24-
<PAGE>

            Section 4.03. Selection by Trustee of Securities to Be Redeemed.

            If less than all the Securities of any series are to be redeemed,
the particular Securities of such series to be redeemed shall be selected not
more than 60 days prior to the Redemption Date by the Trustee, from the
Outstanding Securities of such series not previously called for redemption, by
such method as the Trustee shall deem fair and appropriate (which is in
compliance with the requirements of any national securities exchange on which
such Securities are listed) and which may provide for the selection for
redemption of portions (equal to the minimum authorized denomination for
Securities of such series or any integral multiple thereof) of the principal of
Securities of a denomination greater than the minimum authorized denomination
for Securities of such series.

            The Trustee shall promptly notify the Company in writing of the
Securities selected for redemption and, in the case of any Security selected for
partial redemption, the principal amount thereof to be redeemed.

            For all purposes of this Indenture, unless the context otherwise
requires, all provisions relating to the redemption of Securities shall relate,
in the case of any Security redeemed or to be redeemed only in part, to the
portion of the principal amount of such Security which has been or is to be
redeemed, whether or not such provisions so provide.

            Section 4.04. Notice of Redemption.

            Notice of redemption shall be given 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 Securities to be redeemed, at his address appearing in
the Securities Register. Neither the failure to mail such notice, nor any defect
in any notice so mailed, to any particular Holder shall affect the sufficiency
of such notice with respect to other Holders.

            All notices of redemption shall identify the Securities to be
redeemed (including CUSIP Number(s)) and shall state:

            (a) the Redemption Date,

            (b) the Redemption Price, and accrued interest, if any,

            (c) if less than all Outstanding Securities of any series are to be
      redeemed, the identification (and, in the case of partial redemption, the
      respective principal amounts) of the Securities of such series to be
      redeemed,

            (d) that on the Redemption Date the Redemption Price, together with
      accrued interest, if any, to the Redemption Date, will become due and
      payable upon each such Security, and that interest thereon shall cease to
      accrue from and after said date,

            (e) the place where such Securities are to be surrendered for
      payment of the Redemption Price, and accrued interest, if any, and

            (f) that the redemption is for a sinking fund, if that be the case.

                                      -25-
<PAGE>

            Notice of redemption of the Securities to be redeemed at the
election of the Company shall be given by the Company or, at the Company's
request, by the Trustee in the name and at the expense of the Company.

            Section 4.05. Deposit of Redemption Price.

            At or before 11:00 a.m. New York City time any Redemption Date, the
Company shall deposit with the Trustee or with a Paying Agent (or, if the
Company is acting as its own Paying Agent, segregate and hold in trust as
provided in Section 12.03 hereof) an amount of money sufficient to pay the
Redemption Price of, and accrued interest, if any, on, all the Securities or
portions thereof which are to be redeemed on that date.

            Section 4.06. Securities Payable on Redemption Date.

            Notice of redemption having been given as aforesaid, the Securities
or portions thereof so to be redeemed shall, on the Redemption Date, become due
and payable at the Redemption Price thereof together with accrued interest, if
any, thereon to the Redemption Date, and from and after such date (unless the
Company shall default in the payment of the Redemption Price and such accrued
interest, if any) such Securities or portions thereof shall cease to bear
interest. Upon surrender of such Securities for redemption in accordance with
said notice such Securities or specified portions thereof shall be paid by the
Company at the Redemption Price, together with any accrued interest to the
Redemption Date. Installments of interest whose Stated Maturity is on or prior
to the Redemption Date shall be payable to the Holders of such Securities
registered as such on the relevant record dates according to their terms and the
provisions of Section 3.08 hereof.

            If any Security called for redemption shall not be so paid upon
surrender thereof on such Redemption Date, the principal and premium, if any,
shall, until paid, bear interest from the Redemption Date at the rate borne by
the Security.

            Section 4.07. Securities Redeemed in Part.

            Security of any series which is to be redeemed only in part shall be
surrendered at the Place of Payment (with, if the Company or the Trustee so
requires, due endorsement by, or a written instrument of transfer in form
satisfactory to the Company and the Trustee duly executed by, the Holder thereof
or his attorney duly authorized in writing) and the Company shall execute and
the Trustee shall authenticate and deliver, or cause to be authenticated and
delivered, to the Holder of such Security without service charge, a new Security
or Securities of the same series of any authorized denomination as requested by
such Holder in aggregate principal amount equal to and in exchange for the
unredeemed portion of the principal amount of the Security so surrendered.

                                      -26-
<PAGE>

                                  ARTICLE FIVE

                                  SINKING FUNDS

            Section 5.01. Applicability of Article.

            The provisions of this Article shall be applicable to any sinking
fund for the retirement of Securities except as otherwise established as
contemplated by Section 3.01 for Securities of any series.

            The minimum amount of any sinking fund payment established as
contemplated by Section 3.01 for Securities of any series is herein referred to
as a "mandatory sinking fund payment," and any permitted payment in excess of
such minimum amount established as contemplated by Section 3.01 for Securities
of any series is herein referred to as an "optional sinking fund payment."

            Section 5.02. Satisfaction of Mandatory Sinking Fund Payments with
Securities.

            In lieu of making all or any part of any mandatory sinking fund
payment with respect to any Securities of a series in cash, the Company may at
its option (a) deliver to the Trustee Securities of that series theretofore
purchased or otherwise acquired by the Company, or (b) receive credit for the
principal amount of Securities of that series which have been redeemed either at
the election of the Company pursuant to the terms of such Securities or through
the application of permitted optional sinking fund payments pursuant to the
terms of such Securities; provided that such Securities have not been previously
so credited. Such Securities shall be received and credited for such purpose by
the Trustee at the Redemption Price specified in such Securities for redemption
through operation of the sinking fund and the amount of such mandatory sinking
fund payment shall be reduced accordingly.

            Section 5.03. Redemption of Securities for Sinking Fund.

            Not less than 60 days prior to each sinking fund payment date for
the Securities of any series, the Company will deliver to the Trustee a
certificate signed by the Treasurer or any Assistant Treasurer of the Company
specifying the amount of such next ensuing mandatory sinking fund payment, the
portion thereof, if any, which is to be satisfied by payment of cash and the
portion thereof, if any, which is to be satisfied by delivering and crediting
Securities of such series pursuant to Section 5.02 (which Securities will
accompany such certificate) and whether the Company intends to make any
permitted optional sinking fund payment in connection therewith. Such
certificate shall also state that no Event of Default has occurred and is
continuing with respect to Securities of such series. Such certificate shall be
irrevocable and upon its delivery the Company shall be obligated to make the
cash payment or payments therein referred to, if any, on or before the next
succeeding sinking fund payment date. In the case of the failure of the Company
to deliver such certificate when due (or to deliver the Securities specified in
this Section 5.03) the sinking fund payment due on the next succeeding sinking
fund payment date for Securities of that series shall be paid entirely in cash
and shall be sufficient to redeem the principal amount of such Securities
subject to a mandatory sinking fund payment without the

                                      -27-
<PAGE>

option to deliver or credit Securities as provided in Section 5.02 and without
the right to make any optional sinking fund payment, in connection therewith.

            Any sinking fund payment or payments (mandatory or optional) with
respect to the Securities of any particular series made in cash plus any unused
balance of any preceding sinking fund payments with respect to Securities of
such series made in cash which shall equal or exceed $100,000 or the equivalent
thereof in the Foreign Currency in which such series is denominated (or a lesser
sum if the Company shall so request) shall be applied by the Trustee on the
sinking fund payment date on which such payment is made (or, if such payment is
made before a sinking fund payment date, on the sinking fund payment date
following the date of such payment) to the redemption of such Securities at the
Redemption Price specified in such Securities for operation of the sinking fund
together with accrued interest, if any, to the date fixed for redemption. Any
sinking fund moneys not so applied or allocated by the Trustee to the redemption
of such Securities shall be added to the next cash sinking fund payment received
by the Trustee for Securities of such series and, together with such payment,
shall be applied in accordance with the provisions of this Section 5.03. Any and
all sinking fund moneys with respect to the Securities of any particular series
held by the Trustee on the last sinking fund payment date with respect to
Securities of such series and not held for the payment or redemption of
particular Securities shall be applied by the Trustee, together with other
moneys, if necessary, to be deposited sufficient for the purpose, to the payment
of the principal of the Securities of such series at Maturity.

            The Trustee shall select the Securities to be redeemed upon such
sinking fund payment date in the manner specified in the first paragraph of
Section 4.03 hereof and the Company shall cause notice of the redemption thereof
to be given in the manner provided in Section 4.04 hereof. Such notice having
been duly given, the redemption of such Securities shall be made upon the terms
and in the manner stated in Sections 4.06 and 4.07 hereof.

            On or before any sinking fund payment date, the Company shall
deposit with the Trustee an amount of money sufficient to pay any interest
accrued to the Redemption Date for Securities or portions thereof to be redeemed
on such sinking fund payment date pursuant to this Section 5.03.

            The Trustee shall not redeem any Securities of any series with
sinking fund moneys or mail any notice of redemption of Securities of such
series by operation of the sinking fund therefor during the continuance of a
default in payment of interest on Securities of such series or of any Event of
Default (other than an Event of Default occurring as a consequence of this
paragraph) with respect to Securities of such series, except that if the notice
of redemption of any Securities of such series shall theretofore have been
mailed in accordance with the provisions hereof, the Trustee shall redeem such
Securities if cash sufficient for that purpose shall be deposited with the
Trustee for that purpose in accordance with the terms of this Article. Except as
aforesaid, any moneys in the sinking fund for Securities of such series at the
time when any such default or Event of Default shall occur and any moneys
thereafter paid into such sinking fund shall, during the continuance of such
default or Event of Default, be held as security for the payment of such
Securities; provided, however, that in case such Event of Default or default
shall have been cured or waived as, provided herein, such moneys shall
thereafter be

                                      -28-
<PAGE>

applied on the next sinking fund payment date for such Securities on which such
moneys may be applied pursuant to the provisions of this Section 5.03.

                                  ARTICLE SIX

                           SATISFACTION AND DISCHARGE

             Section 6.01. Satisfaction and Discharge of Indenture.

            This Indenture shall cease to be of further effect with respect to
the Securities of any series (except as to the rights of Holders of Outstanding
Securities of such series to receive, from the trust funds described in
paragraph (a) of this Section 6.01, payment of the principal of, premium, if
any, and interest, if any, on such Outstanding Securities on the Stated Maturity
of such principal, premium, if any, or installment of interest, if any, the
Company's obligations with respect to such Outstanding Securities of such series
under Sections 3.05, 3.06, 6.05 and 12.02 as may be applicable to Outstanding
Securities of such series, and the rights, powers, trusts, duties, indemnities
and immunities of the Trustee hereunder), and the Trustee for the Securities of
such series, on demand of and at the expense of the Company, shall execute
proper instruments acknowledging satisfaction and discharge of this Indenture
with respect to the Securities of such series, when

            (a) either

                  (i) all the Securities of such series theretofore
            authenticated and delivered (other than (A) Securities of such
            series which have been destroyed, lost or stolen and which have been
            replaced or paid as provided in Section 3.06 hereof and (B)
            Securities of such series for whose payment money has theretofore
            been deposited with the Trustee or the Paying Agent for the
            Securities of such series in trust or segregated and held in trust
            by the Company and thereafter repaid to the Company or discharged
            from such trust, as provided in Section 6.05 hereof) have been
            delivered to such Trustee for cancellation; or

                  (ii) all Securities of such series not theretofore delivered
            to such Trustee for cancellation

                        (A) have become due and payable, or

                        (B) will become due and payable at their Stated Maturity
                  within one year, or

                        (C) are to be called for redemption within one year
                  under arrangements satisfactory to such Trustee for the giving
                  of notice of redemption by such Trustee in the name, and at
                  the expense, of the Company,

            and the Company has deposited or caused to be deposited with such
            Trustee irrevocably as trust funds in trust, specifically pledged as
            security for, and dedicated solely to, the benefit of the Holders of
            all Outstanding Securities of

                                      -29-
<PAGE>

            such series, with reference to this Section 6.01, (i) money in an
            amount in the currency in which the Securities of such series are
            denominated or (ii) U.S. Government Obligations in the case of
            Securities denominated in Dollars or obligations issued or
            guaranteed by the government which issued the currency in which the
            Securities of such series are denominated in the case of Securities
            denominated in Foreign Currencies, which through the payment of
            interest and principal in respect thereof in accordance with their
            terms will provide, not later than the opening of business on the
            due date of any payment referred to below, money in an amount in the
            currency in which the Securities of such series are denominated, or
            (iii) a combination thereof, sufficient, in the opinion of a
            nationally recognized firm of independent public accountants
            expressed in a written certification thereof delivered to the
            Trustee, to pay and discharge the entire indebtedness on all
            Outstanding Securities of such series not theretofore delivered to
            such Trustee for cancellation, for principal (and premium, if any)
            and interest, if any, to the date of such deposit (in the case of
            Securities of such series which have become due and payable), or to
            the Stated Maturity or Redemption Date, as the case may be;

            (b) the Company has paid or caused to be paid all other sums payable
      hereunder by the Company in connection with Outstanding Securities of such
      series, including all fees and expenses of the Trustee for such series;
      and

            (c) the Company has delivered to such Trustee an Officer's
      Certificate and an Opinion of Counsel each stating that all conditions
      precedent herein provided for relating to the satisfaction and discharge
      of this Indenture have been complied with.

            Notwithstanding the satisfaction and discharge of this Indenture
with respect to the Securities of any series, the obligations of the Company
with respect to Securities of any other series and to the Trustee for the
Securities of such series under Section 8.07 hereof shall survive.

            Section 6.02. Satisfaction, Discharge and Defeasance of Securities
of any Series.

            Unless otherwise established, as contemplated by Section 3.01, with
respect to Securities of any series, the Company shall, notwithstanding Section
6.01, be deemed to have paid and discharged the entire indebtedness on all the
Outstanding Securities of any such series from and after the ninety-first day
after the date of the deposit referred to in paragraph (a) below, the provisions
of this Indenture (except as to the rights of Holders of Outstanding Securities
of such series to receive, from the trust funds described in paragraph (a)
below, payment of the principal of, premium, if any, and interest, if any, on
such Outstanding Securities on the Stated Maturity of such principal, premium,
if any, or installment of interest, if any, the Company's obligations with
respect to such Outstanding Securities of such series under Sections 3.05, 3.06,
6.05 and 12.02 as may be applicable to Outstanding Securities of such series,
and the rights, powers, trusts, duties, indemnities and immunities of the
Trustee hereunder) shall no longer be in effect in respect of Outstanding
Securities of such series, and the Trustee, at the expense of the Company, shall
execute proper instruments acknowledging satisfaction and discharge of such
indebtedness; provided that the following conditions shall have been satisfied:

                                      -30-
<PAGE>

            (a) the Company is permitted pursuant to Article Thirteen to deposit
or cause to be deposited and has deposited or caused to be deposited with the
Trustee irrevocably as trust funds in trust, specifically pledged as security
for, and dedicated solely to, the benefit of the Holders of all Outstanding
Securities of such series, with reference to this Section 6.02, (i) money in an
amount in the currency in which the Securities of such series are denominated or
(ii) U.S. Government Obligations in the case of Securities denominated in
Dollars or obligations issued or guaranteed by the government which issued the
currency in which the Securities are denominated in the case of Securities
denominated in Foreign Currencies, which through the payment of interest and
principal in respect thereof in accordance with their terms will provide, not
later than the opening of business on the due date of any payment referred to in
this paragraph (a), money in an amount in the currency in which the Securities
of such series are denominated, or (iii) a combination thereof, sufficient, in
the opinion of a nationally recognized firm of independent public accountants
expressed in a written certification thereof delivered to the Trustee, to pay
and discharge the entire indebtedness on all Outstanding Securities of such
series for principal, premium, if any, and interest, if any, to the Stated
Maturity as such principal, premium, if any, or interest, if any, becomes due
and payable in accordance with the term of this Indenture and the Securities of
such series; provided, however, the Company shall not make or cause to be made
the deposit provided by this clause (a) unless the Company shall have delivered
to the Trustee an Opinion of Counsel to the effect that there will not occur any
violation of the Investment Company Act of 1940, as amended, on the part of the
Company, the trust funds representing such deposit or the Trustee as a result of
such deposit and the related exercise of the Company's option under this Section
6.02;

            (b) the Company has paid or caused to be paid all other sums payable
hereunder by the Company in connection with the Outstanding Securities of such
series, including all fees and expenses of the Trustee for such series; and

            (c) the Company has delivered to the Trustee an Officer's
Certificate and an Opinion of Counsel, each stating that all conditions
precedent herein provided for relating to the satisfaction and discharge of the
entire indebtedness on all Outstanding Securities of such series have been
complied with.

            Section 6.03. Application of Trust Money.

            (a) Subject to the provisions of Section 6.05, all money, U.S.
Government Obligations and other government obligations deposited with the
Trustee for the Securities of any series pursuant to Section 6.01 or 6.02, and
all money received by the Trustee in respect of U.S. Government Obligations and
such other government obligations deposited with the Trustee for the Securities
of any series pursuant to Section 6.01 or 6.02 shall be held in trust and
applied by it, in accordance with the provisions of the Securities of such
series and this Indenture, to the payment, either directly or through any Paying
Agent (including the Company acting as its own Paying Agent) as the Trustee may
determine, to the Persons entitled thereto, of the principal of, premium, if
any, and interest, if any, on the Securities of such series; but such money need
not be segregated from other funds except to the extent required by law and the

                                      -31-
<PAGE>

      Trustee shall have no liability to pay interest thereon or for the
      investment thereof. Money and securities so held in trust are not subject
      to Article Thirteen.

            (b) The Trustee shall deliver or pay to the Company from time to
      time upon Company request any U.S. Government Obligations, other
      government obligations or money held by it as provided in Sections 6.01
      and 6.02 which, in the opinion of a nationally recognized firm of
      independent public accountants expressed in a written certification
      thereof delivered to the Trustee, are then in excess of the amount thereof
      which then would have been required to be deposited for the purpose for
      which such U.S. Government Obligations, other government obligations or
      money were deposited or received.

            Section 6.04. Paying Agent to Repay Moneys Held.

            Upon the satisfaction and discharge of this Indenture all moneys
then held by any Paying Agent under the provisions of this Indenture shall, upon
demand of the Company, be repaid to it or paid to the appropriate Trustee, and
thereupon such Paying Agent shall be released from all further liability with
respect to such moneys.

            Section 6.05. Return of Unclaimed Moneys.

            Any moneys deposited with or paid to the Trustee or any Paying Agent
for the Securities of any series pursuant to this Article, or then held by the
Company, in trust for the payment of the principal of and premium, if any, or
interest, if any, on Securities of such series and not applied but remaining
unclaimed by the Holders of Securities of such series for two years after the
date upon which the principal of and premium, if any, or interest, if any, on
such Securities, as the case may be, shall have become due and payable, shall,
unless otherwise required by mandatory provisions of applicable escheat or
abandoned or unclaimed property law, be repaid to the Company by such Trustee or
any Paying Agent on demand or (if then held by the Company) shall be discharged
from such trust; and the Holder of any such Securities entitled to receive such
payment shall thereafter look only to the Company for the payment thereof.

                                 ARTICLE SEVEN

                                    REMEDIES

            Section 7.01. Events of Default.

            "Event of Default" whenever used herein with respect to Securities
of any series means any one of the following events and such other events as may
be established with respect

                                      -32-
<PAGE>

to the Securities of such series as contemplated by Section 3.01 hereof,
continued for the period of time, if any, and after the giving of notice, if
any, designated herein or therein, as the case may be, unless the same is either
not applicable to the Securities of such series or is deleted or modified in the
terms of the Securities of such series established as contemplated by Section
3.01 hereof:

            (a) default in the payment of any interest upon any Security of such
      series when the same becomes due and payable, whether or not such payment
      shall be prohibited by Article Thirteen, and continuance of such default
      for a period of 30 days; or

            (b) default in the payment of all or any part of the principal of
      (or premium, if any, on) any Security of such series at its Maturity,
      whether or not such payment shall be prohibited by Article Thirteen; or

            (c) default in the making or satisfaction of any sinking fund
      payment or analogous obligation when the same becomes due and payable by
      the terms of the Securities of such series; or

            (d) default in the performance, or breach, of any covenant or
      warranty of the Company in respect of the Securities of such series
      contained in this Indenture or in such Securities (other than a covenant
      or warranty in respect of the Securities of such series a default in whose
      performance or whose breach is elsewhere in this Section 7.01 specifically
      dealt with) or established as contemplated by Section 3.01 hereof for the
      Securities of such series, and continuance of such default or breach for a
      period of 90 days after there has been given, by registered or certified
      mail, to the Company by the Trustee for the Securities of such series, or
      to the Company and such Trustee by the Holders of at least 25% in
      principal amount of the Outstanding Securities of such series, 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 entry of a decree or order by a court having jurisdiction in
      the premises adjudging the Company a bankrupt or insolvent, or approving
      as properly filed a petition seeking reorganization, arrangement,
      adjustment or composition of or in respect of the Company under Title 11
      of the United States Code as now constituted or hereafter amended (the
      "Federal Bankruptcy Code") or any other applicable Federal or State law,
      or appointing a receiver, liquidator, assignee, trustee, sequestrator (or
      other similar official) of the Company or of any substantial part of its
      property, or ordering the winding up or liquidation of its affairs, and
      the continuance of any such decree or order unstayed and in effect for a
      period of 60 consecutive days; or

            (f) the institution by the Company 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 the
      Federal Bankruptcy Code or any other applicable Federal or State 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 other
      similar official) of the Company or of any substantial part of its
      property, or the making by it of

                                      -33-
<PAGE>

      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,
      or the taking of corporate action by the Company in furtherance of any
      such action; or

            (g) any other Event of Default established as contemplated by
      Section 3.01 hereof for Securities of such series.

            Section 7.02. Acceleration of Maturity; Rescission and Annulment.

            If an Event of Default with respect to Securities of any series at
the time outstanding occurs and is continuing, then and in each and every such
case, unless the principal of all of the Securities of such series shall have
already become due and payable, the Trustee or the Holders of not less than 25%
in aggregate principal amount of the Outstanding Securities of such series may
declare the principal amount (or, if the Securities of such series are Original
Issue Discount Securities, such portion of the principal amount as may be
specified in the terms of such series) of all the Securities of such series to
be due and payable immediately, by a notice in writing to the Company (and to
the Trustee if given by Holders), and upon any such declaration of acceleration
the same shall become immediately due and payable, anything in this Indenture or
in the Securities of such series or any resolution of the Board of Directors
relating thereto contained to the contrary notwithstanding.

            At any time after such a declaration of acceleration has been made
and before a judgment or decree for payment of the money due has been obtained
or entered as hereinafter in this Article provided, the Holders of a majority in
principal amount of the Outstanding Securities of such series, by written notice
to the Company and the Trustee, may waive all defaults with respect to such
Securities and rescind and annul such declaration and its consequences if

            (a) the Company has paid or deposited with the Trustee a sum
      sufficient to pay

                  (i) all overdue installments of interest, if any, on all
            Securities of such series;

                  (ii) the principal of (and premium, if any, on) any and all
            Securities of such series which have become due otherwise than by
            such declaration of acceleration and interest thereon at the Overdue
            Rate applicable to the Securities of such series;

                  (iii) to the extent that payment of such interest is lawful,
            interest upon any overdue installment of interest at the Overdue
            Rate applicable to the Securities of such series;

                  (iv) all sums paid or advanced by the Trustee hereunder and
            the reasonable compensation, expenses, disbursements and advances of
            the Trustee, its agents and counsel and other amounts owing the
            Trustee under Section 8.07; and

                                      -34-
<PAGE>

            (b) all Events of Default with respect to Securities of such series,
      other than the non-payment of the principal of Securities which have
      become due solely by such acceleration, have been cured or waived as
      provided in Section 7.13 or 12.09 hereof.

      No such waiver and rescission shall affect any subsequent default or
      impair any right consequent thereon.

            Section 7.03. Collection of Indebtedness and Suits for Enforcement
      by Trustee.

            The Company covenants that if

            (a) default is made in the payment of any installment of interest on
      any Security of any series when such interest becomes due and payable and
      such default continues for a period of 30 days,

            (b) default is made in the payment of all or any part of the
      principal of (or premium, if any, on) any Security of any series at the
      Maturity thereof, or

            (c) default is made in the making or satisfaction of any sinking
      fund payment or analogous obligation when the same becomes due pursuant to
      the terms of the Securities of any series established as contemplated by
      Section 3.01,

the Company will, upon demand of the Trustee, pay to the Trustee, for the
benefit of the Holder of any such Security (or Holders of Securities of any such
series in the case of clause (c) above), the whole amount then due and payable
on any such Security (or Securities of any such series in the case of clause (c)
above) for principal, premium, if any, and interest, if any, with interest upon
the overdue principal (and premium, if any) and, to the extent that payment of
such interest shall be legally enforceable, upon any overdue installment of
interest, at the Overdue Rate of any such Security (or Securities of any such
series in the case of clause (c) above); and, in addition thereto, such further
amount as shall be sufficient to cover the costs and expenses of collection,
including the reasonable compensation, expenses, disbursements and advances of
such Trustee, its agents and counsel, and all other amounts owing the Trustee
under Section 8.07.

            If the Company fails to pay such amounts forthwith upon such demand,
the Trustee, in its own name and as trustee of an express trust, may institute a
judicial proceeding for the collection of the sums so due and unpaid, and may
prosecute such proceeding to judgment or final decrees, and may enforce the same
against the Company or any other obligor upon such Securities and collect the
moneys adjudged or decreed to be payable in the manner provided by law out of
the property of the Company or any other obligor upon such Securities, wherever
situated.

            If an Event of Default occurs and is continuing with respect to the
Securities of any series, the Trustee may in its discretion proceed to protect
and enforce its rights and the rights of the Holders of the Securities of such
series by such appropriate judicial proceedings as such Trustee shall deem most
effectual to protect and enforce any such rights, whether for the specific
enforcement of any covenant or agreement in this Indenture or in aid of the
exercise of any power granted herein, or to enforce any other proper remedy.

                                      -35-
<PAGE>

            Section 7.04. Trustee May File Proofs of Claim.

            The Trustee (irrespective of whether the principal of the Securities
of any series shall then be due and payable as therein expressed or by
declaration or otherwise and irrespective of whether the Trustee shall have made
any demand on the Company for the payment of overdue principal or interest)
shall be entitled and empowered, by intervention in such proceeding or
otherwise, in case of the pendency of any receivership, insolvency, liquidation,
bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to the Company or any other obligor upon the
Securities of such series or the property of the Company or of such other
obligor or their creditors,

                  (i) to file and prove a claim or claims for the whole amount
            of principal (or, if the Securities of such series are Original
            Issue Discount Securities, such portion of the principal amount as
            may be due and payable with respect to such series pursuant to a
            declaration in accordance with Section 7.02 hereof), premium, if
            any, and interest, if any, owing and unpaid in respect of the
            Securities of such series and to file such other papers or documents
            as may be necessary or advisable in order to have the claims of the
            Trustee (including any claim for the reasonable compensation,
            expenses, disbursements and advances of the Trustee, its agents and
            counsel) and of the Holders of the Securities of such series allowed
            in such judicial proceeding, and

                  (ii) to collect and receive any moneys or other property
            payable or deliverable on any such claims and to distribute the
            same;

and any receiver, assignee, trustee, liquidator, sequestrator (or other similar
official) in any such judicial proceeding is hereby authorized by each Holder to
make such payments to the Trustee, and in the event that such Trustee shall
consent to the making of such payments directly to the Holders, to pay to the
Trustee any amount due to it for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other
amounts, due the Trustee under Section 8.07 hereof.

            Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
of any series or the rights of any Holder thereof, or to authorize the Trustee
to vote in respect of the claim of any Holder in any such proceeding.

            Section 7.05. Trustee May Enforce Claims without Possession of
Securities.

            All rights of action and claims under this Indenture or the
Securities of any series may be prosecuted and enforced by the Trustee without
the possession of any of the Securities of such series or the production thereof
in any proceeding relating thereto, and any such proceeding instituted by the
Trustee shall be brought in its own name as trustee of an express trust, and any
recovery of judgment shall, after provision for the payment of the reasonable
compensation, expenses, disbursements and advances of the Trustee, its agents
and counsel, be for the ratable benefit of the Holders of the Securities in
respect of which such judgment has been recovered.

                                      -36-
<PAGE>

            Section 7.06. Application of Money Collected.

            Any moneys collected by the Trustee pursuant to this Article shall
be applied in the following order, at the date or dates fixed by the Trustee
and, in case of the distribution of such money on account of principal (or
premium, if any) or interest, if any, upon presentation of the several
Securities with respect to which such moneys were collected, and the notation
thereon of the payment if only partially paid and upon surrender thereof if
fully paid.

                  FIRST: To the payment of all amounts due the Trustee under
            Section 8.07 hereof.

                  SECOND: to holders of Senior Indebtedness of the Company to
            the extent required by Article Thirteen;

                  THIRD: To the payment of the amounts then due and unpaid upon
            such Securities for principal (and premium, if any) and interest, if
            any, in respect of which or for the benefit of which such money has
            been collected, ratably, without preference or priority of any kind,
            according to the amounts due and payable on such Securities for
            principal (and premium, if any) and interest, if any, respectively.

                  FOURTH: The balance, if any, to the Company.

            Section 7.07. Limitation on Suits.

            No Holder of any Security of any series shall have any right to
institute any proceeding, judicial or otherwise, with respect to this Indenture,
or for the appointment of a receiver or trustee (or other similar official), or
for any other remedy hereunder, unless

                  (1) an Event of Default shall have occurred and be continuing
            and such Holder previously shall have given to the Trustee written
            notice of default with respect to the Securities of such series and
            of the continuance thereof;

                  (2) the Holders of not less than 25% in principal amount of
            the Outstanding Securities of such series shall have made written
            request to the Trustee to institute proceedings in respect of such
            Event of Default in its own name as Trustee hereunder;

                  (3) such Holder or Holders have offered to the Trustee
            indemnity satisfactory to it against the costs, expenses and
            liabilities to be incurred in compliance with such request;

                  (4) the Trustee for 60 days after receipt of such notice,
            request and offer of indemnity has failed to institute any such
            proceeding; and

                  (5) no direction inconsistent with such written request has
            been given to the Trustee during such 60-day period by the Holders
            of a majority in principal amount of the Outstanding Securities of
            such series;

                                      -37-
<PAGE>

it being understood and intended that no one or more Holders of Securities of
such series shall have any right in any manner whatever by virtue of, or by
availing of, any provision of this Indenture to affect, disturb or prejudice the
rights of any other Holders of Securities of such series, or to obtain or to
seek to obtain priority or preference over any other such Holders or to enforce
any right under this Indenture, except in the manner herein provided and for the
equal and ratable benefit of all the Holders of the Securities of such series
(it being understood that the Trustee does not have an affirmative duty to
ascertain whether or not such actions or forbearances are unduly prejudicial to
such Holders).

            Section 7.08. Unconditional Right of Holders to Receive Principal,
Premium and Interest.

            Notwithstanding any other provision of this Indenture, the Holder of
a Security of any series shall have the right which is absolute and
unconditional to receive payment of the principal of (and premium, if any) and
(subject to Section 3.08) interest, if any, on such Security on the respective
Stated Maturities expressed in such Security (or, in the case of redemption, on
the Redemption Date) and to institute suit for the enforcement of any such
payment, and such rights shall not be impaired without the consent of such
Holder.

            Section 7.09. Restoration of Rights and Remedies.

            If the Trustee or any Holder has instituted any proceeding to
enforce any right or remedy under this Indenture and such proceeding has been
discontinued or abandoned for any reason, or has been determined adversely to
the Trustee or to such Holder, then and in every such case the Company, the
Trustee and such Holder shall, subject to any determination in such proceeding,
be restored severally and respectively to their former positions hereunder, and
thereafter all rights and remedies of such Trustee and such Holder shall
continue as though no such proceeding had been instituted.

            Section 7.10. Rights and Remedies Cumulative.

            No right or remedy herein conferred upon or reserved to the Trustee
or to the Holders of the Securities of any series is intended to be exclusive of
any other right or remedy, and every right and remedy shall, to the extent
permitted by law, be cumulative and in addition to every other right and remedy
given hereunder or now or hereafter existing at law or in equity or otherwise.
The assertion or employment of any right or remedy hereunder, or otherwise,
shall not prevent the concurrent assertion or employment of any other
appropriate right or remedy.

            Section 7.11. Delay or Omission Not Waiver.

            No delay or omission of the Trustee or of the Holders of the
Securities of any series to exercise any right or remedy accruing upon any Event
of Default shall impair any such right or remedy or constitute a waiver of any
such Event of Default or an acquiescence therein. Every right and remedy given
by this Article or by law to the Trustee or to such Holders may be exercised
from time to time, and as often as may be deemed expedient, by the Trustee or by
such Holders, as the case may be.

                                      -38-
<PAGE>

            Section 7.12. Control by Holders.

            The Holders of a majority in principal amount of the Outstanding
Securities of any series shall have the right to direct the time, method and
place of conducting any proceeding for any remedy available to the Trustee or
exercising any trust or power conferred on the Trustee, provided that

            (a) such direction shall not be in conflict with any rule of law or
      with this Indenture, unduly prejudice the rights of the Holders or involve
      the Trustee in personal liability (it being understood that the Trustee
      shall have no obligation to make any determination with respect to such
      conflict, prejudice or liability), and

            (b) the Trustee may take any other action deemed proper by the
      Trustee which is not inconsistent with such direction.

            Section 7.13. Waiver of Past Defaults.

            The Holders of not less than a majority in principal amount of the
Outstanding Securities of any series may on behalf of the Holders of all the
Securities of such series waive any past default hereunder and its consequences,
except a default

            (a) in the payment of the principal of (or premium, if any) or
      interest, if any, on any Security of such series, or in the payment of any
      sinking fund installment or analogous obligation with respect to the
      Securities of such series, or

            (b) in respect of a covenant or provision hereof which under Article
      Eleven hereof cannot be modified or amended without the consent of the
      Holder of each Outstanding Security affected.

            Upon any such waiver, such default shall cease to exist, and any
Event of Default arising therefrom shall be deemed to have been cured, for every
purpose of this indenture; but no such waiver shall extend to any subsequent or
other default or impair any right consequent thereon.

            Section 7.14. Undertaking for Costs.

            All parties to this Indenture agree, and each Holder of a Security
by his acceptance thereof shall be deemed to have agreed, that any court may in
its discretion require, in any suit for the enforcement of any right or remedy
under this Indenture, or in any suit against the Trustee for any action taken or
omitted by it as Trustee, the filing by any party litigant in such suit of an
undertaking to pay the costs of such suit, and that such court may in its
discretion assess reasonable costs, including reasonable attorneys' fees and
expenses against any party litigant in such suit, having due regard to the
merits and good faith of the claims or defenses made by such party litigant; but
the provisions of this Section 7.14 shall not apply to any suit instituted by
such Trustee, to any suit instituted by any Holder, or group of Holders, holding
in the aggregate more than 10% in principal amount of the Outstanding Securities
of any series, or to any suit instituted by any Holder for the enforcement of
the payment of the principal of (or premium, if any) or

                                      -39-
<PAGE>

interest, if any, on any Security on or after the respective Stated Maturities
expressed in such Security (or, in the case of redemption, on or after the
Redemption Date).

            Section 7.15. Waiver of Stay or Extension Laws.

            The Company covenants (to the extent that it may lawfully do so)
that it will not at any time insist upon, or plead, or in any manner whatsoever
claim or take the benefit or advantage of, any stay or extension law wherever
enacted, now or at any time hereafter in force, which may affect the covenants
or the performance of this Indenture; and the Company (to the extent that it may
lawfully do so) hereby expressly waives all benefit or advantage of any such
law, and covenants that it will not hinder, delay or impede the execution of any
power herein granted to the Trustee, but will suffer and permit the execution of
every such power as though no such law had been enacted.

                                 ARTICLE EIGHT

                                   THE TRUSTEE

            Section 8.01. Certain Duties and Responsibilities.

            (a) Except during the continuance of an Event of Default with
      respect to the Securities of any series,

                  (i) the Trustee undertakes to perform such duties and only
            such duties as are specifically set forth in this Indenture with
            respect to the Securities of such series and all other series, and
            no implied covenants or obligations shall be read into this
            Indenture against the Trustee; and

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

            (b) In case an Event of Default has occurred and is continuing with
      respect to the Securities of any series, the Trustee shall exercise such
      of the rights and powers vested in it by this Indenture with respect to
      the Securities of such series, and use the same degree of care and skill
      in their exercise, as a prudent person would exercise or use under the
      circumstances in the conduct of such person's own affairs.

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

                  (i) this Subsection shall not be construed to limit the effect
            of Subsection (a) of this Section 8.01;

                                      -40-
<PAGE>

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

                  (iii) the Trustee shall not be liable with respect to any
            action taken, suffered or omitted to be taken by it in respect of
            the Securities of any series in good faith in accordance with the
            direction of the Holders of a majority in principal amount of the
            Outstanding Securities of such series pursuant to Section 7.12
            relating to the time, method and place of conducting any proceeding
            for any remedy available to the Trustee, or exercising any trust or
            power conferred upon the Trustee, under this Indenture; and

                  (iv) no provision of this Indenture shall require the Trustee
            to expend or risk its own funds or otherwise incur any financial
            liability in the performance of any of its duties hereunder, or in
            the exercise of any of its rights or powers, if it 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.

            (d) Whether or not therein expressly so provided, every provision of
      this Indenture relating to the conduct or affecting the liability of or
      affording protection to the Trustee shall be subject to the provisions of
      this Section 8.01.

            Section 8.02. Notice of Defaults.

            Within 90 days after the occurrence of any default hereunder with
respect to the Securities of any series, the Trustee shall transmit by mail to
all Holders of the Securities of such series, as their names and addresses
appear in the Securities Register, notice of such default hereunder with respect
to the Securities of such series known to the Trustee, unless such default shall
have been cured or waived; provided, however, that, except in the case of a
default in the payment of principal of (or premium, if any) or interest, if any,
on any Security of such series, or in the payment of any sinking fund
installment or analogous obligation in respect thereof, the 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 Trustee in good faith determine that the withholding of such
notice is in the interest of such Holders; and provided, further, that in the
case of any default of the character specified in Section 7.01(d) hereof no such
notice to Holders shall be given until at least 30 days after the occurrence
thereof. For the purpose of this Section 8.02, the term "default" means any
event which is, or after notice or lapse of time or both would become, an Event
of Default.

            Section 8.03. Certain Rights of Trustee.

            Subject to Section 8.01 hereof:

            (a) the Trustee may conclusively rely and shall be protected in
      acting or refraining from acting upon any resolution, certificate,
      statement, instrument, opinion, report, notice, request, direction,
      consent, order, bond, debenture, coupon or other paper or document
      believed by it to be genuine and to have been signed or presented by the
      proper party or parties;

                                      -41-
<PAGE>

            (b) any request, direction, order or demand of the Company mentioned
      herein shall be sufficiently evidenced by a Company Request or a Company
      Order and any resolution of the Board of Directors may be sufficiently
      evidenced by a Board Resolution;

            (c) whenever in the administration of this Indenture the Trustee
      shall deem it desirable that a matter be proved or established prior to
      taking, suffering or omitting any action hereunder, the Trustee (unless
      other evidence be herein specifically prescribed) may, in the absence of
      bad faith on its part, rely upon an Officer's Certificate;

            (d) the Trustee may consult with counsel of its selection and the
      advice of such counsel or any Opinion of Counsel shall be full and
      complete authorization and protection in respect of any action taken,
      suffered or omitted by it hereunder in good faith in reliance thereon;

            (e) the Trustee shall be under no obligation to exercise any of the
      rights or powers vested in it by this Indenture at the request, order or
      direction of any of the Holders pursuant to this Indenture, unless such
      Holders shall have offered to such Trustee 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;

            (f) the 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 or other paper or document, but the Trustee, in its
      discretion, may make such further inquiry or investigation into such facts
      or matters as it may see fit, and, if the Trustee shall determine to make
      such further inquiry or investigation, it shall be entitled to examine the
      books, records and premises of the Company, personally or by agent or
      attorney at the sole cost of the Company and shall incur no liability or
      additional liability of any kind by reason of such inquiry or
      investigation;

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

            (h) except with respect to Section 12.01, the Trustee shall have no
      duty to inquire as to the performance of the Company with respect to
      covenants contained in Article Twelve. In addition, the Trustee shall not
      be deemed to have knowledge of an Event of Default except (i) any default
      or Event of Default occurring pursuant to Sections 12.01, 7.01(a) or
      7.01(b) or (ii) any default or Event of Default of which the Trustee shall
      have received written notification or obtained actual knowledge;

            (i) delivery of reports, information and documents to the Trustee
      under Section 9.04 is for informational purposes only and the Trustee's
      receipt of the foregoing shall not constitute constructive notice of any
      information contained therein or determinable from information contained
      therein, including the Company's compliance with any of their covenants
      hereunder (as to which the Trustee is entitled to rely exclusively on
      Officer's Certificates);

            (j) in no event shall the Trustee be responsible or liable for
      special, indirect, or consequential loss or damage of any kind whatsoever
      (including, but not limited to, loss of profit) irrespective of whether
      the Trustee has been advised of the likelihood of such loss or damage and
      regardless of the form of action;

            (k) 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

            (l) 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.

                                      -42-
<PAGE>

            Section 8.04. Not Responsible for Recitals or Issuance of
Securities.

            The recitals contained herein and in the Securities, except the
certificates of authentication, shall be taken as the statements of the Company,
and the Trustee and any Authenticating Agent assume no responsibility for their
correctness. The Trustee and any Authenticating Agent make no representations as
to the validity or sufficiency of this Indenture or of the Securities. The
Trustee and any Authenticating Agent shall not be accountable for the use or
application by the Company of Securities or the proceeds thereof.

            Section 8.05. May Hold Securities.

            The Trustee, any Paying Agent, Securities Registrar, Authenticating
Agent or any other agent of the Company or the Trustee, in its individual or any
other capacity, may become the owner or pledgee of Securities of any series and
may otherwise deal with the Company with the same rights it would have if it
were not Trustee, Paying Agent, Securities Registrar, Authenticating Agent or
such other agent.

            Section 8.06. Money Held in Trust.

            Money held by the Trustee in trust hereunder need not be segregated
from other funds except to the extent required by law. The Trustee shall be
under no liability for interest on or investment of any money received by it
hereunder except as otherwise agreed in writing with the Company and for the
sole benefit of the Company.

            Section 8.07. Compensation and Reimbursement.

            The Company agrees

            (a) to pay to the Trustee from time to time such compensation shall
      be agreed in writing for all services rendered by it 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
      Trustee upon its request for all reasonable expenses, disbursements and
      advances incurred or made by the Trustee in accordance with any provision
      of this Indenture (including the reasonable compensation and the expenses
      and disbursements of its agents and counsel and of any Authenticating
      Agent), except to the extent any such expense, disbursement or advance may
      be attributable to its negligence or bad faith; and

            (c) to indemnify the Trustee and its agents for, and to hold them
      harmless against, any and all loss, liability, damage, claim or expense,
      including taxes, arising out of or in connection with the acceptance or
      administration of this trust and performance of their duties hereunder,
      including the costs and expenses (including fees and disbursements of
      their counsel) of defending themselves against any claim (whether asserted
      by the Company, a Holder or any other person) or liability in connection
      with the exercise or performance of any of their powers or duties
      hereunder, except as to the Trustee or any agent to the extent any such
      loss, liability, damage, claim or expense may be attributable to its own
      negligence or bad faith.

                                      -43-
<PAGE>

            As security for the performance of the obligations of the Company
under this Section 8.07, the Trustee shall have a lien prior to the Securities
upon all property and funds held or collected by the Trustee as such, except
funds held in trust for the payment of principal of (and premium, if any) or
interest, if any, on particular Securities. The provisions of this Section 8.07
shall survive any Trustee succession and the satisfaction and discharge of this
Indenture. "Trustee" for purposes of this Section 8.07 shall include any
predecessor trustee but the negligence and bad faith of any Trustee shall not
affect the rights of any other Trustee under this Section 8.07. When the Trustee
incurs expenses or renders services in connection with an Event of Default
specified in Section 7.01(e) or Section 7.01(f), the expenses (including the
reasonable charges and expenses of its counsel) and the compensation for the
services are intended to constitute expenses of administration under any
applicable Federal or state bankruptcy, insolvency or other similar law.

            Section 8.08. Disqualification; Conflicting Interests.

            Reference is made to Section 310(b) of the Trust Indenture Act. For
purposes of Section 310(b)(l) of the Trust Indenture Act no Trustee shall be
deemed to have a conflicting interest by virtue of being Trustee for the
Securities of more than one series.

            Section 8.09. Corporate Trustee Required; Different Trustees for
Different Series; Eligibility.

            There shall at all times be a Trustee hereunder for the Securities
of each series which shall be a corporation organized and doing business under
the laws of the United States of America or of any State or the District of
Columbia authorized under such laws to exercise corporate trust powers, having a
combined capital and surplus of at least $50,000,000, subject to supervision or
examination by Federal or State authority, and, if there is such a corporation
that has a corporate trust office in the Borough of Manhattan, The City of New
York, the State of New York, or in such other city as shall be established as
contemplated by Section 3.01 with respect to the Securities of any series that
is willing to act upon reasonable and customary terms, having a corporate trust
office in the Borough of Manhattan or such other city. If such corporation
publishes reports of condition at least annually, pursuant to law or to the
requirements of the aforesaid supervising or examining authority, then for the
purposes of this Section 8.09, 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. A different Trustee may be
appointed by the Company for the Securities of each series prior to the issuance
of such Securities. If the initial Trustee for the Securities of any series is
to be other than U.S. Bank National Association, the Company and such Trustee
shall, prior to the issuance of such Securities, execute and deliver an
indenture supplemental hereto, which shall provide for the appointment of such
Trustee as Trustee for the Securities of such series and shall add to or change
any of the provisions of this Indenture as shall be necessary to provide for or
facilitate the administration of the trusts hereunder by more than one Trustee,
it being understood that nothing herein or in such supplemental indenture shall
constitute such Trustees co-trustees of the same trust and that each such
Trustee shall be trustee of a trust or trusts hereunder separate and apart from
any trust or trusts hereunder administered by any other such Trustee. If at any
time the Trustee for the Securities of any series shall cease to be eligible in
accordance with the provisions of this Section 8.09, it shall resign immediately
in the manner and with the effect hereinafter specified in this Article.

                                      -44-
<PAGE>

            Section 8.10. Resignation and Removal; Appointment of Successor.

            (a) No resignation or removal of the Trustee for the Securities of
      any series and no appointment of a successor Trustee for the Securities of
      such series pursuant to this Article shall become effective until the
      acceptance of appointment by the successor Trustee under Section 8.11
      hereof.

            (b) The Trustee, or any Trustee or Trustees hereafter appointed for
      the Securities of any series, may resign at any time with respect to the
      Securities of one or more or all such series by giving written notice
      thereof to the Company. If an instrument of acceptance by a successor
      Trustee for the Securities of any series shall not have been delivered to
      the Trustee for the Securities of such series within thirty days after the
      giving of such notice of resignation, the resigning Trustee may petition,
      at the expense of the Company, any court of competent jurisdiction for the
      appointment of a successor Trustee for the Securities of such series.

            (c) The Trustee for the Securities of any series may be removed at
      any time with respect to one or more or all such series by Act of the
      Holders of a majority in aggregate principal amount of the Outstanding
      Securities of such one or more series (each voting as a class) delivered
      to such Trustee and to the Company. If an instrument of acceptance by a
      successor Trustee for the Securities of any series shall not have been
      delivered to the Trustee within thirty days after the giving of such
      notice of removal, the Trustee being removed may petition, at the expense
      of the Company, any court of competent jurisdiction for the appointment of
      a successor Trustee for the Securities of such series.

            (d) If at any time:

                  (i) the Trustee for the Securities of any series shall fail to
            comply with Section 310(b) of the Trust Indenture Act with respect
            to the Securities of such series after written request therefor by
            the Company or by any Holder of Securities of such series who has
            been a bona fide Holder of a Security of such series for at least
            six months, or

                  (ii) such Trustee shall cease to be eligible under Section
            8.09 hereof and shall fail to resign after written request therefor
            by the Company or by any such Holder of Securities, or

                  (iii) such Trustee shall become incapable of acting with
            respect to the Securities of such series or shall be adjudged a
            bankrupt or insolvent or a receiver of such Trustee or of its
            property shall be appointed or any public officer shall take charge
            or control of such Trustee or of its property or affairs for the
            purpose of rehabilitation, conservation or liquidation,

then, in any such case, (1) the Company by a Board Resolution may remove the
Trustee, or (2) subject to Section 7.14 hereof, any Holder of a Security of such
series who has been a bona fide Holder of such Security for at least six months
may, on behalf of himself and all others similarly situated, petition any court
of competent jurisdiction for the removal of such Trustee and the appointment of
a successor Trustee for the Securities of such series.

            (e) If the Trustee for the Securities of any series shall resign, be
      removed or become incapable of acting, or if a vacancy shall occur in the
      office of Trustee for the Securities of any series for any cause, the
      Company, by a Board Resolution, shall promptly appoint a successor Trustee
      for the Securities of such series. If, within one year

                                      -45-
<PAGE>

      after such resignation, removal or incapability, or the occurrence of such
      vacancy, a successor Trustee for the Securities of such series shall be
      appointed by Act of the Holders of a majority in principal amount of the
      Outstanding Securities of such series delivered to the Company and the
      retiring Trustee, the successor Trustee so appointed shall, forthwith upon
      its acceptance of such appointment, become the successor Trustee for the
      Securities of such series and supersede the successor Trustee appointed by
      the Company. If no successor Trustee for the Securities of such series
      shall have been so appointed by the Company or such Holders and accepted
      appointment in the manner hereinafter provided, any Holder who has been a
      bona fide Holder of a Security of such series 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 Trustee for
      the Securities of such series.

            (f) The Company shall give notice of each resignation and each
      removal of the Trustee for the Securities of any series and each
      appointment of a successor Trustee for the Securities of such series by
      mailing written notice of such event by first-class mail, postage prepaid,
      to the Holders of the Securities of such series as their names and
      addresses appear in the Securities Register. Each notice shall include the
      name of such successor Trustee and the address of its Corporate Trust
      Office.

            Section 8.11. Acceptance of Appointment by Successor.

            Every successor Trustee appointed hereunder shall execute,
acknowledge and deliver to the Company 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 request of the
Company 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 shall
duly assign, transfer and deliver to such successor Trustee all property and
money held by such retiring Trustee hereunder, subject nevertheless to its lien,
if any, provided for in Section 8.07 hereof. Upon request of any such successor
Trustee, the Company shall execute any and all instruments for more fully and
certainly vesting in and confirming to such successor Trustee all such rights,
powers and trusts.

            In case of the appointment hereunder of a successor Trustee for the
Securities of one or more (but not all) series, the Company, the predecessor
Trustee and each successor Trustee for the Securities of any applicable series
shall execute and deliver an indenture supplemental hereto which shall contain
such provisions as shall be deemed necessary or desirable to confirm that all
the rights, powers, trusts and duties of the predecessor Trustee for the
Securities of any series as to which the predecessor Trustee is not retiring
shall continue to be vested in the predecessor Trustee, and shall add to or
change any of the provisions of this Indenture as shall be necessary to provide
for or facilitate the administration of the trusts hereunder by more than one
Trustee, it being understood that nothing herein or in such supplemental
indenture shall constitute such Trustees co-trustees of the same trust and that
each such Trustee shall be trustee of a trust or trusts hereunder separate and
apart from any trust or trusts hereunder administered by any other such Trustee.

                                      -46-
<PAGE>

            No successor Trustee for the Securities of any series shall accept
its appointment unless at the time of such acceptance such successor Trustee
shall be qualified under Section 310(b) of the Trust Indenture Act and eligible
under Section 8.09.

            Section 8.12. Merger, Conversion, Consolidation or Succession to
Business.

            Any corporation into which the Trustee for the Securities of any
series 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
Trustee shall be a party, or any corporation succeeding to all or substantially
all of the corporate trust business of such Trustee, shall be the successor of
the Trustee for such series hereunder, provided such corporation shall be, with
respect to such series, 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. In case any Securities of any series shall have been
authenticated, but not delivered, by the Trustee for such series or an
Authenticating Agent for such series, then in office, any successor by merger,
conversion or consolidation to such authenticating Trustee or Authenticating
Agent, as the case may be, may adopt such authentication and deliver the
Securities so authenticated with the same effect as if such successor Trustee or
successor Authenticating Agent had itself authenticated such Securities.

            Section 8.13. Preferential Collection of Claims against Company.

            Reference is made to Section 311 of the Trust Indenture Act, for
purposes of which:

                  (i) The term "cash transaction" means any transaction in which
            full payment for goods or securities sold is made within seven days
            after delivery of the goods or securities in currency or in checks
            or other orders drawn upon banks or bankers and payable upon demand.

                  (ii) The term "self-liquidating paper" means any draft, bill
            of exchange, acceptance or obligation which is made, drawn,
            negotiated or incurred by the Company for the purpose of financing
            the purchase, processing, manufacturing, shipment, storage or sale
            of goods, wares or merchandise and which is secured by documents
            evidencing title to possession of, or a lien upon, the goods, wares
            or merchandise or the receivables or proceeds arising from the sale
            of the goods, wares or merchandise previously constituting the
            security, provided the security is received by the Trustee
            simultaneously with the creation of the creditor relationship with
            the Company arising from the making, drawing, negotiating or
            incurring of the draft, bill of exchange, acceptance or obligation.

            Section 8.14. Authenticating Agent.

            The Trustee may appoint an Authenticating Agent for the Securities
of each series which shall be acceptable to the Company, to act on behalf of
such Trustee and subject to its direction in connection with the authentication
of the Securities of such series. Each Authenticating Agent shall at all times
be a corporation organized and doing business under the laws of the United
States of America or of any State, authorized under such laws to exercise

                                      -47-
<PAGE>

corporate trust powers, having a combined capital and surplus of at least
$50,000,000, and subject to supervision or examination by Federal or State
authority. If such corporation publishes reports of condition at least annually,
pursuant to law or to the requirements of the aforesaid supervising or examining
authority, then for the purposes of this Section 8.14 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.

            Securities of any series authenticated by the Authenticating Agent
for the Securities of such series shall be entitled to the benefits of this
Indenture and shall be valid and obligatory for all purposes as if authenticated
by the Trustee for the Securities of such series. Whenever reference is made in
this Indenture to the authentication and delivery of Securities of any series by
the Trustee or such Trustee's certificate of authentication, such reference
shall be deemed to include authentication and delivery on behalf of the Trustee
by the Authenticating Agent for the Securities of such series and a certificate
of authentication executed on behalf of the Trustee by such Authenticating
Agent.

            Any corporation into which any Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which any Authenticating Agent
shall be a party, or any corporation succeeding to all or substantially all the
corporate agency business of any Authenticating Agent, shall continue to be the
Authenticating Agent with respect to the Securities of all series for which it
served as Authenticating Agent without the execution or filing of any paper or
any further act on the part of the Trustee or such Authenticating Agent.

            Any Authenticating Agent may at any time resign by giving written
notice of resignation to the Trustee and to the Company. The Trustee may at any
time terminate the agency of any Authenticating Agent for the Securities of any
series by giving written notice of termination to such Authenticating Agent and
to the Company. Upon receiving such a notice of resignation or upon such a
termination, or in case at any time any Authenticating Agent shall cease to be
eligible in accordance with the provisions of this Section 8.14, with respect to
the Securities of one or more or all series, the Trustee promptly shall appoint
a successor Authenticating Agent which shall be acceptable to the Company, and
upon doing so shall give written notice of such appointment to the Company and
shall mail notice of such appointment to all Holders of the Securities of such
series as the names and addresses of such Holders appear upon the Securities
Register. Any successor Authenticating Agent upon acceptance of its appointment
hereunder shall become vested with all the rights, powers, duties and
responsibilities of its predecessor hereunder with like effect as if originally
appointed as Authenticating Agent hereunder. No successor Authenticating Agent
shall be appointed unless eligible under the provisions of this Section 8.14.

            The Company agrees to pay to each Authenticating Agent from time to
time reasonable compensation for its services.

                                      -48-
<PAGE>

                                  ARTICLE NINE

                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

            Section 9.01. Company to Furnish Trustee Names and Addresses of
Holders.

            The Company will furnish or cause to be furnished to the Trustee (a)
semi-annually, on a date not more than 15 days after each regular record date
with respect to an Interest Payment Date, if any, for the Securities of each
series, and (b) on semi-annual dates in each year to be established as
contemplated by Section 3.01 hereof if the Securities of any series do not bear
interest and (c) at such other times as the Trustee may request in writing,
within 30 days after receipt by the Company of any such request, a list in such
form as the Trustee may reasonably require containing all the information in the
possession or control of the Company, or any of its Paying Agents other than the
Trustee, as to the names and addresses of the Holders of the Securities of such
series, obtained since the date as of which the next previous list, if any, was
furnished. Any such list may be dated as of a date not more than 15 days prior
to the time such information is furnished or caused to be furnished and need not
include information received after such date; provided, however, that as long as
the Trustee is the Securities Registrar for the Securities of such series, no
such list shall be required to be furnished.

            Section 9.02. Preservation of Information; Communications to
Holders.

            (a) The Trustee shall preserve, in as current a form as is
      reasonably practicable, the names and addresses of Holders of the
      Securities of each series contained in the most recent list furnished to
      such Trustee as provided in Section 9.01 hereof or in the Securities
      Register if such Trustee be the Securities Registrar for such series and
      the names and addresses of Holders received by the Trustee in its capacity
      as Paying Agent for the Securities of such series. The Trustee may destroy
      any list furnished to it as provided in Section 9.01 hereof upon receipt
      of a new list so furnished.

            (b) If three or more Holders of the Securities of any series
      (hereinafter referred to as "applicants") apply in writing to the Trustee,
      furnish to the Trustee reasonable proof that each such applicant has owned
      a Security of such series for a period of at least six months preceding
      the date of such application, and such application states that the
      applicants desire to communicate with other Holders of the Securities of
      any series with respect to their rights under this Indenture or under the
      Securities of any series and is accompanied by a copy of the form of proxy
      or other communication which such applicants propose to transmit, then the
      Trustee shall, within five Business Days after the receipt of such
      application, at its election, either

                  (i) afford such applicants access to the information preserved
            at the time by the Trustee in accordance with Subsection (a) of this
            Section 9.02, or

                  (ii) inform such applicants as to the approximate number of
            such Holders whose names and addresses appear in the information
            preserved at the time by the Trustee in accordance with Subsection
            (a) of this Section 9.02, and as

                                      -49-
<PAGE>

            to the approximate cost of mailing to such Holders the form of proxy
            or other communication, if any, specified in such application.

            (c) If the Trustee shall elect not to afford such applicants access
      to such information, the Trustee shall upon the written request of such
      applicants, mail to each Holder to whom the applicant desires to
      communicate whose name and address appear in the information preserved at
      the time by such Trustee in accordance with Subsection (a) of this Section
      9.02, a copy of the form of proxy or other communication which is
      specified in such request, with reasonable promptness after a tender to
      the Trustee of the material to be mailed and of payment, or provision for
      the payment, of the reasonable expenses of mailing, unless within five
      days after such tender, the Trustee shall mail to such applicants and file
      with the Commission, together with a copy of the material to be mailed, a
      written statement to the effect that, in the opinion of the Trustee, such
      mailing would be contrary to the best interests of such Holders or would
      be in violation of applicable law. Such written statement shall specify
      the basis of such opinion. If the Commission, after opportunity for a
      hearing upon the objections specified in the written statement so filed,
      shall enter an order refusing to sustain any of such objections or if,
      after the entry of an order sustaining one or more of such objections, the
      Commission shall find, after notice and opportunity for hearing, that all
      the objections so sustained have been met and shall enter an order so
      declaring, the Trustee shall mail copies of such material to all such
      Holders with reasonable promptness after the entry of such order and the
      renewal of such tender; otherwise the Trustee shall be relieved of any
      obligation or duty to such applicants respecting their application.

            (d) Every Holder of Securities, by receiving and holding the same,
      agrees with the Company and the Trustee that neither the Company nor the
      Trustee, nor any agent of the Company or the Trustee, shall be held
      accountable by reason of the disclosure of any such information as to the
      names and addresses of the Holders in accordance with Subsection (b) of
      this Section 9.02, regardless of the source from which such information
      was derived, and that the Trustee shall not be held accountable by reason
      of mailing any material pursuant to a request made under Subsection (b) of
      this Section 9.02.

            Section 9.03. Reports by Trustee.

            (a) Within 60 days after the first May 15 which occurs not less than
      60 days following the first date of issuance of the Securities of any
      series under this Indenture and within 60 days after May 15 in every year
      thereafter, the Trustee shall transmit by mail to all Holders of such
      series, as their names and addresses appear in the Securities Register,
      any brief report, dated as of such May 15, required by Section 313(a) of
      the Trust Indenture Act and at such other times in such manner such other
      reports as may be required by Section 313 of the Trust Indenture Act in
      each case with respect to the Securities of such series. A copy of each
      such report shall, at the time of such transmission to such Holders, be
      filed by such Trustee in writing with each stock exchange upon which such
      Securities are listed and also with the Commission. The Company will
      notify such Trustee when such Securities are listed on any stock exchange
      or of any delisting thereof.

                                      -50-
<PAGE>

            Section 9.04. Reports by Company.

            The Company will

            (a) file with the Trustee for the Securities of each series, within
      15 days after the Company is required to file the same with the
      Commission, copies of the annual reports and of the information, documents
      and other reports (or copies of such portions of any of the foregoing as
      the Commission may from time to time by rules and regulations prescribe)
      which the Company may be required to file with the Commission pursuant to
      Section 13 or Section 15(d) of the Exchange Act; or, if the Company is not
      required to file information, documents or reports pursuant to either of
      said Sections, then it will file with such Trustee and the Commission, in
      accordance with rules and regulations prescribed from time to time by the
      Commission, such of the supplementary and periodic information, documents
      and reports which may be required pursuant to Section 13 of the Exchange
      Act of in respect of a security listed and registered on a national
      securities exchange as may be prescribed from time to time in such rules
      and regulations;

            (b) file with such Trustee and the Commission, in accordance with
      rules and regulations prescribed from time to time by the Commission, such
      additional information, documents and reports with respect to compliance
      by the Company with the conditions and covenants of this Indenture as may
      be required from time to time by such rules and regulations; and

            (c) transmit by mail to all Holders, as their names and addresses
      appear in the Securities Register, within 30 days after the filing thereof
      with the Trustee, such summaries of any information, documents and reports
      required to be filed by the Company pursuant to paragraphs (a) and (b) of
      this Section 9.04 as may be required by rules and regulations prescribed
      from time to time by the Commission.

            (d) Notwithstanding the foregoing Section 9.04(a) and (b), the
      Company will be deemed to have filed the reports required by Section
      9.04(a) and (b) to the Trustee if it has filed such reports with the SEC
      via the EDGAR filing system and such reports are publicly available,
      provided, however, that the Trustee shall have no obligation whatsoever to
      verify that such filings have occurred.

                                  ARTICLE TEN

                  CONSOLIDATION, MERGER, CONVEYANCE OR TRANSFER

            Section 10.01. Company May Consolidate, etc., Only on Certain Terms.

            The Company shall not consolidate with or merge into any other
Person or convey, transfer or lease all or substantially all of its properties
and assets to any Person or group of Persons other than to a direct or indirect
wholly-owned Subsidiary, unless:

            (1) the Person formed by such consolidation or into which the
      Company is merged or the Person or group of Persons that acquires by
      conveyance or transfer, or which leases, all or substantially all of the
      properties and assets of the Company shall be a Person organized and
      existing under the

                                      -51-
<PAGE>

            laws of the United States of America, any State thereof or the
            District of Columbia, and shall expressly assume, by an indenture
            supplemental hereto, executed and delivered to the Trustee for the
            Securities of each series in form satisfactory to such Trustee, the
            due and punctual payment of the principal of and interest on all the
            Securities and the performance of every covenant of this Indenture
            on the part of the Company to be performed or observed;

                  (2) immediately after giving effect to such transaction, no
            Event of Default, and no event that, after notice or lapse of time,
            or both, would become an Event of Default, shall have occurred and
            be continuing other than an Event of Default which will be cured by
            such merger or other transaction; and

                  (3) the Company has delivered to such Trustee an Officer's
            Certificate and an Opinion of Counsel each stating that such
            consolidation, merger, conveyance, transfer or lease and, if a
            supplemental indenture is required in connection with such
            transaction, and such supplemental indenture comply with this
            Article and that all conditions precedent herein provided for
            relating to such transaction have been complied with.

            The provisions of this Section 10.01 shall not be applicable to a
merger or consolidation in which the Company is the surviving corporation.

            Section 10.02. Successor Corporation Substituted.

            Upon any consolidation or merger, or any conveyance or transfer of
the properties and assets of the Company substantially as an entirety in
accordance with Section 10.01, the successor corporation formed by such
consolidation or into which the Company is merged or to which such conveyance or
transfer is made shall succeed to, and be substituted for and may exercise every
right and power of, the Company under this Indenture with the same effect as if
such successor corporation had been named as the Company herein, and thereafter
the predecessor corporation shall be relieved of all obligations and covenants
under the Indenture and the Securities.

                                 ARTICLE ELEVEN

                             SUPPLEMENTAL INDENTURES

            Section 11.01. Supplemental Indentures without Consent of Holders.

            (a) Without the consent of any Holders, the Company, when authorized
      by Board Resolution, and the Trustee at any time and from time to time may
      enter into one or more indentures supplemental hereto, in form
      satisfactory to the Trustee, for any of the following purposes:

                  (i) to evidence the succession of another corporation to the
            Company, and the assumption by any such successor of the covenants
            of the Company herein and in the Securities contained; or

                                      -52-
<PAGE>

                  (ii) to add to or modify the covenants or Events of Default of
            the Company, for the benefit of the Holders of the Securities of any
            or all series, to convey, transfer, assign, mortgage or pledge any
            property to or with such Trustee, or to surrender any right or power
            herein conferred upon the Company; or

                  (iii) to make any change in Article Thirteen that would limit
            or terminate the benefits available to any holder of Senior
            Indebtedness of the Company (or Representatives thereof) under
            Article Thirteen; or

                  (iv) to establish the form and terms of the Securities of any
            series as contemplated by Section 2.01 or 3.01 hereof; or

                  (v) to add to or change any of the provisions of this
            Indenture as is necessary or advisable to facilitate the issuance of
            Securities of any series in bearer form, registrable or
            nonregistrable as to principal and with or without interest coupons,
            and to provide for exchangeability of such Securities with the
            Securities of the same series issued hereunder in fully registered
            form and to make all appropriate changes for such purpose, or to
            permit or facilitate the issuance of Securities in uncertificated
            form; or

                  (vi) to cure any ambiguity, to correct or supplement any
            provision herein which may be defective or inconsistent with any
            other provision herein, or to make any other provisions with respect
            to matters or questions arising under this Indenture which shall not
            adversely affect the interests of the Holders in any material
            respect; or

                  (vii) to add to or change any of the provisions of this
            Indenture to provide that bearer Securities may be registrable as to
            principal, to change or eliminate any restrictions on the payment of
            principal of, or premium, if any, or interest on bearer Securities
            or on the delivery of bearer Securities, or to permit bearer
            Securities to be issued in exchange for bearer Securities of other
            authorized denominations, provided any such action shall not
            adversely affect the interests of the Holders of bearer Securities
            of any series or any related coupons in any material respect unless
            such amendment is required to comply with the Bearer Rules; or

                  (viii) to supplement any of the provisions of this Indenture
            to such extent as shall be necessary to permit or facilitate the
            defeasance and discharge of any series of Securities pursuant to
            Article Six, provided that any such action shall not adversely
            affect the interests of the Holders of Securities of such series or
            any other series of Securities in any material respect;

                  (ix) to evidence and provide for the acceptance of appointment
            hereunder of a Trustee other than U.S. Bank National Association, as
            Trustee for the Securities of any series of Securities and to add to
            or change any of the provisions of this Indenture as shall be
            necessary to provide for or facilitate the

                                      -53-
<PAGE>

            administration of the trusts hereunder by more than one Trustee,
            pursuant to the requirements of Section 8.09 hereof; or

                  (x) to evidence and provide for the acceptance of appointment
            hereunder by a successor Trustee with respect to the Securities of
            one or more series or to add to or change any of the provisions of
            this Indenture as shall be necessary to provide for or facilitate
            the administration of the trusts hereunder by more than one Trustee,
            pursuant to the requirements of Section 8.11 hereof; or

                  (xi) to add to, change or eliminate any of the provisions of
            this Indenture; provided, that any such addition, change or
            elimination (i) shall become effective only when no Security of any
            series entitled to the benefits of such provision and issued prior
            to the execution of such supplemental indenture is outstanding or
            (ii) shall not apply to any outstanding Security.

            (b) An amendment under this Section 11.01 may not make any change
      that adversely affects the rights under Article Thirteen of any holder of
      Senior Indebtedness of the Company then outstanding unless the holders of
      such Senior Indebtedness (or any group or Representative thereof
      authorized to give a consent) consent to such change.

            Section 11.02. Supplemental Indentures with Consent of Holders.

            Subject to Sections 7.12 and 7.13 hereof, with the consent of the
Holders of not less than a majority in aggregate principal amount of the
Outstanding Securities of each series affected thereby, by Act of said Holders
delivered to the Company and the Trustee, the Company, when authorized by Board
Resolution, and the Trustee may enter into an indenture or indentures
supplemental hereto for the purpose of adding any provisions to or changing in
any manner or eliminating any of the provisions of this Indenture or of
modifying in any manner the rights of the Holders of the Securities of such
series under this Indenture; provided, however, that no such supplemental
indenture shall, without the consent of the Holder of each Outstanding Security
affected thereby,

            (a) change the Stated Maturity of the principal of, or any
      installment of interest on, any Security, or reduce the principal amount
      thereof or the interest thereon, or any premium payable on the redemption
      thereof, or change the Place of Payment, or the coin or currency in which
      any Security or the interest, if any, thereon is payable, or reduce the
      amount of the principal of an Original Issue Discount Security that would
      be due and payable upon an acceleration of the Maturity thereof or
      adversely affect the right of repayment, if any, at the option of the
      Holder, or reduce the amount of, or postpone the date fixed for, any
      payment under the sinking fund for any Security, or impair the right to
      institute suit for the enforcement of any such payment on or after the
      Stated Maturity thereof (or, in the case of redemption, on or after the
      Redemption Date), or

            (b) reduce the percentage in principal amount of the Outstanding
      Securities of any series, the consent of whose Holders is required for any
      such supplemental indenture, or the consent of whose Holders is required
      for any waiver of compliance with certain

                                      -54-
<PAGE>

      provisions of this Indenture or certain defaults hereunder and their
      consequences provided for in this Indenture, or

            (c) modify the provisions of this Indenture with respect to the
      subordination of the Securities of any series in a manner adverse to the
      Holders thereof, or

            (d) modify any of the provisions of this Section 11.02 or Section
      7.13 hereof, except to increase any such percentage or to provide that
      certain other provisions of this Indenture cannot be modified or waived
      without the consent of the Holder of each Security affected thereby.

            A supplemental indenture which changes or eliminates any covenant or
other provision of this Indenture which has been expressly included solely for
the benefit of the Securities of one or more particular series, or which
modifies the rights of the Holders of the Securities of one or more such series
with respect to such covenant or other provision, shall be deemed not to affect
the rights under this Indenture of the Holders of the Securities of any other
series.

            It shall not be necessary for any Act of Holders under this Section
11.02 to approve the particular form of any proposed supplemental indenture, but
it shall be sufficient if such Act shall approve the substance thereof.

            An amendment under this Section 11.02 may not make any change that
adversely affects the rights under Article Thirteen of any holder of Senior
Indebtedness then outstanding unless the holders of such Senior Indebtedness (or
any group or Representative thereof authorized to give a consent) consent to
such change.

            Section 11.03. Execution of Supplemental Indentures.

            In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture, the Trustee for the Securities of any
series shall receive, and (subject to Sections 8.01 and 8.03 hereof) shall be
fully protected in conclusively relying upon, an Opinion of Counsel stating that
the execution of such supplemental indenture is authorized or permitted by this
Indenture. Such Trustee may, but shall not be obligated to, enter into any such
supplemental indenture which affects such Trustee's own rights, duties or
immunities under this Indenture or otherwise.

            Section 11.04. Notice of Supplemental Indenture.

            Promptly after the execution by the Company and the appropriate
Trustee of any supplemental indenture pursuant to Section 11.02 hereof, the
Company shall transmit by mail to all Holders of Securities of any series
affected thereby, as their names and addresses appear in the Securities
Register, a notice setting forth in general terms the substance of such
supplemental indenture.

                                      -55-
<PAGE>

            Section 11.05. Effect of Supplemental Indentures.

            Upon the execution of any supplemental indenture under this Article,
this indenture shall be modified in accordance therewith but only with respect
to the Securities of each series affected by such supplemental indenture, and
such supplemental indenture shall form a part of this Indenture for all purposes
with respect to the Securities of such series; and every Holder of Securities of
any such series theretofore or thereafter authenticated and delivered hereunder
shall be bound thereby.

            Section 11.06. Conformity with Trust Indenture Act.

            Every supplemental indenture executed pursuant to this Article shall
conform to the requirements of the Trust indenture Act as then in effect.

            Section 11.07. Reference in Securities to Supplemental Indentures.

            Securities of any series authenticated and delivered after the
execution of any supplemental indenture pursuant to this Article may, and shall
if required by the Trustee, bear a notation in form approved by the Trustee as
to any matter provided for in such supplemental indenture. If the Company shall
so determine, new Securities so modified as to conform, in the opinion of the
Trustee and the Board of Directors, to any such supplemental indenture may be
prepared and executed by the Company and authenticated and delivered by or on
behalf of such Trustee in exchange for Outstanding Securities of the same
series.

                                 ARTICLE TWELVE

                                    COVENANTS

            Section 12.01. Payment of Principal, Premium and Interest.

            The Company will duly and punctually pay the principal of, premium,
if any, and interest, if any, on the Securities of each series in accordance
with the terms of such Securities established as contemplated by Section 3.01
and this Indenture.

            Section 12.02. Maintenance of Office or Agency.

            The Company will maintain in each Place of Payment for the
Securities of any series, an office or agency where Securities of such series
may be presented or surrendered for payment, where Securities of such series may
be surrendered for registration of transfer or exchange and where notices and
demands to or upon the Company in respect of the Securities of such series and
this Indenture may be served; provided, however, that at the option of the
Company payment of interest may be made (subject to collection) by check mailed
to the address of the Person entitled thereto as such address shall appear in
the Security Register. With respect to the Securities of any series, such office
or agency and each Place of Payment shall be as established as contemplated by
Section 3.01. In the absence of establishment as contemplated by Section 3.01
with respect to the Securities of any series, (i) the Place of Payment for such
Securities shall be in the city that the Corporate Trust Office shall be in and
(ii) such office or agency in such Place of Payment shall initially be the
Corporate Trust Office of the Trustee. The

                                      -56-
<PAGE>

Company will give prompt written notice to the Trustee of the location, and any
change in the location, of any such office or agency, if at any time the Company
shall fail to maintain any such required office or agency or shall fail to
furnish the Trustee for the Securities of each series with the address thereof,
such presentations, surrenders, notices and demands may be made or served at the
Corporate Trust Office of such Trustee, and the Company hereby appoints the
Trustee its agent to receive all such presentations, surrenders, notices and
demands with respect to the Securities of such series.

            The Company may also from time to time designate one or more other
offices or agencies (in or outside the Place of Payment) where the Securities of
one or more series may be presented or surrendered for any or all of such
purposes specified above, and may from time to time rescind such designations;
provided, however, that no such designation or rescission shall in any manner
relieve the Company of its obligation to maintain an office or agency in each
Place of Payment for such purpose.

            Section 12.03. Money for Securities Payments to Be Held in Trust.

            If the Company shall at any time act as its own Paying Agent, it
will, on or before each due date of the principal of (and premium, if any) or
interest, if any, on, any of the Securities of any series, segregate and hold in
trust for the benefit of the Persons entitled thereto a sum sufficient to pay
the principal, premium, if any, or interest, if any, so becoming due until such
sums shall be paid to such Persons or otherwise disposed of as herein provided,
and will promptly notify the Trustee of such series of its failure so to act.

            Whenever the Company shall have one or more Paying Agents, it will,
on or before each due date of the principal of (and premium, if any) or
interest, if any, on, any Securities of any series, deposit with a Paying Agent
for the Securities of such series a sum sufficient to pay the principal,
premium, if any, or interest, if any, so becoming due, such sum to be held in
trust for the benefit of the Persons entitled to such principal, premium or
interest, if any, and (unless such Paying Agent is the Trustee for the
Securities of such series) the Company will promptly notify such Trustee at its
Corporate Trust Office of its failure so to act.

            The Company will cause each Paying Agent for the Securities of any
series other than the Trustee to execute and deliver to the Trustee an
instrument in which such Paying Agent shall agree with the Trustee, subject to
the provisions of this Section 12.03, that such Paying Agent will

            (a) hold all sums held by it for the payment of the principal of,
      premium, if any, or interest, if any, on the Securities of such series in
      trust for the benefit of the Persons entitled thereto until such sums
      shall be paid to such Persons or otherwise disposed of as herein provided;

            (b) give such Trustee notice of any default by the Company (or any
      other obligor upon the Securities of such series) in the making of any
      payment of principal, premium, if any, or interest, if any; and

                                      -57-
<PAGE>

            (c) at any time during the continuance of any such default, upon the
      written request of the Trustee, forthwith pay to the Trustee all sums so
      held in trust by such Paying Agent.

            The Company may at any time, for the purpose of obtaining the
satisfaction and discharge of this Indenture or for any other purpose, pay, or
by Company Order direct any Paying Agent to pay, to the Trustee all sums held in
trust by the Company or such Paying Agent, such sums to be held by such Trustee
upon the same trusts as those upon which such sums were held by the Company or
such Paying Agent; and, upon such payment by any Paying Agent to such Trustee,
such Paying Agent shall be released from all further liability with respect to
such money.

            Section 12.04. Statement as to Compliance; Statement by Officers as
Default.

            The Company will file with the Trustee within four months after the
close of each fiscal year (which, until the Company shall otherwise notify the
Trustee, shall be deemed to be the calendar year) a brief certificate, which
need not comply with Section 1.02 hereof, from the principal executive,
financial or accounting officer of the Company as to his or her knowledge of the
Company's compliance with all conditions and covenants under this Indenture
(without regard to any period of grace or requirement of notice provided in this
Indenture).

            The Company shall deliver to the Trustee, as soon as possible and in
any event within five days after the Company becomes aware of the occurrence of
any Event of Default or an event which, with notice or the lapse of time or
both, would constitute an Event of Default, an Officer's Certificate setting
forth the details of such Event of Default or default and the action which the
Company proposes to take with respect thereto.

            Section 12.05. Corporate Existence.

            Subject to Article Ten hereof, the Company will do or cause to be
done all things necessary to preserve and keep in full force and effect its
corporate existence.

            Section 12.06. Permit No Vacancy in Office of Trustee.

            The Company, whenever necessary to avoid or fill a vacancy in the
office of the Trustee for the Securities of any series, will appoint, in the
manner provided in Section 8.10 hereof, a Trustee for the Securities of such
series, so that there shall at all times be a Trustee for the Securities of
every series hereunder.

            Section 12.07. Waiver.

            Without limitation of the rights of the Holders and the Company with
respect to waivers and amendments set forth in Sections 7.13 and 11.02, the
Company may omit in any particular instance to comply with a covenant or
provision hereof which non-compliance could constitute a default hereunder
(other than (i) a covenant or provision with respect to the payment of the
principal of (or premium, if any) or interest, if any, on any Security of any
series, or in payment of any sinking fund installment or analogous obligation
with respect to the Securities of such series or (ii) a covenant or provision
which under Article Eleven hereof cannot be modified or amended without the
consent of the Holder of each Outstanding Security affected), if before or after
the time for such compliance the Holders of at least a majority in principal
amount of the Securities at the time Outstanding of any series affected by the
omission shall, by Act of such Holders, either waive such compliance in such
instance or generally waive compliance with such covenant or provision, but no
such waiver shall extend to or affect such covenant or provision except to the
extent so expressly waived, and, until such waiver shall become effective, the

                                      -58-
<PAGE>

obligations of the Company and the duties of the Trustee in respect of any such
covenant or provision shall remain in full force and effect.

            Section 12.08. Calculation of Original Issue Discount.

            The Company shall file with the Trustee promptly at the end of each
calendar year (i) a written notice specifying the amount of original issue
discount (including daily rates and accrual periods) accrued on Outstanding
Securities as of the end of such year and (ii) such other specific information
relating to such original issue discount as may then be relevant under the
Internal Revenue Code of 1986, as amended from time to time.

                                ARTICLE THIRTEEN

                         SUBORDINATION OF THE SECURITIES

            Section 13.01. Agreement to Subordinate.

            The Company agrees, and each Holder by accepting a Security agrees,
that the indebtedness evidenced by the Securities is subordinated in right of
payment, to the extent and in the manner provided in this Article Thirteen, to
the prior payment in full of all existing and future Senior Indebtedness of the
Company and that the subordination is for the benefit of and enforceable by the
holders of such Senior Indebtedness. All provisions of this Article Thirteen
shall be subject to Section 13.12.

            Section 13.02. Liquidation, Dissolution, Bankruptcy.

            Upon any payment or distribution of the assets of the Company to
creditors upon a total or partial liquidation or a total or partial dissolution
of the Company or in a bankruptcy, reorganization, insolvency, receivership or
similar proceeding relating to the Company or its property or upon an assignment
by the Company for the benefit of creditors:

            (a) holders of Senior Indebtedness of the Company shall be entitled
      to receive payment in full in cash (or other consideration acceptable to
      the applicable holder of Senior Indebtedness) of such Senior Indebtedness
      (including interest accruing after, or which would accrue but for, the
      commencement of any such proceeding at the rate specified in the
      applicable Senior Indebtedness, whether or not a claim for such interest
      would be allowed) before any payment or distribution (other than Permitted
      Junior Securities), whether in cash, securities or other property, shall
      be made by the Company on account of principal, interest or other amounts
      owing in respect of the Securities; and

            (b) until the Senior Indebtedness of the Company is paid in full in
      cash (or other consideration acceptable to the applicable holder of Senior
      Indebtedness), any payment or distribution (other than Permitted Junior
      Securities), whether in cash, securities or other property, to which
      Holders would be entitled but for this Article Thirteen shall be made to
      holders of such Senior Indebtedness, for application to the payment
      thereof, as their interests may appear, except that the Holders may
      receive and retain payments made from the trust described under Article
      Six, so long as, on the date or dates the respective amounts were paid
      into the trust such payments were made with respect to the Securities
      without violating this Article Thirteen.

            Section 13.03. Default on Senior Indebtedness.

            The Company may not pay principal of, premium (if any) or interest
on, the Securities or make any deposit pursuant to the provisions described
under Section 6.02 and may not otherwise purchase, redeem or otherwise retire
any Securities (except that the Holders may

                                      -59-
<PAGE>

receive and retain (a) Permitted Junior Securities and (b) payments made from
the trust described under Article Six) (collectively, "pay the Securities") if:

                        (A) a default in the payment of the principal of,
                  premium, if any, or interest on any Senior Indebtedness of the
                  Company occurs and is continuing or any other amount owing in
                  respect of any Senior Indebtedness of the Company is not paid
                  when due, or

                        (B) any other default occurs with respect to Senior
                  Indebtedness of the Company and the maturity of such Senior
                  Indebtedness of the Company is accelerated in accordance with
                  its terms,

            unless, in either case, the default has been cured or waived and any
            such acceleration has been rescinded or such Designated Senior
            Indebtedness has been paid in full in cash (or other consideration
            acceptable to the applicable holder of Senior Indebtedness).

            Section 13.04. Acceleration of Payment of Securities.

            In the event that any Securities are declared due and payable before
their Stated Maturity, then and in such event the holders of Senior Indebtedness
of the Company shall be entitled to receive payment in full in cash (or other
consideration acceptable to the applicable holder of Senior Indebtedness) of
such Senior Indebtedness (including interest accruing after, or which would
accrue but for, the commencement of any such proceeding at the rate specified in
the applicable Senior Indebtedness, whether or not a claim for such interest
would be allowed) before any payment or distribution, whether in cash,
securities or other property, shall be made by the Company on account of
principal, interest or other amounts owing in respect of the Securities or on
account of purchase or other acquisition of Securities by the Company; provided,
however, that nothing in this Section 13.04 shall prevent the satisfaction of
any sinking fund payment in accordance with this Indenture or as otherwise
specified for the Securities of any series by delivering and crediting pursuant
to Section 5.02 or as otherwise specified for the Securities of any series
Securities which have been acquired (upon redemption or otherwise) prior to such
declaration of acceleration.

            Section 13.05. When Distribution Must Be Paid Over.

            If any distribution is made to the Trustee or to the Holders that
because of this Article Thirteen should not have been made to them, the Trustee
or such Holders who receive the distribution, as applicable, shall hold such
distribution in trust for holders of Senior Indebtedness of the Company and
shall, upon the written instruction of the Company, pay it over to them as their
interests may appear. Nothing contained in this Article Thirteen or elsewhere in
this Indenture shall prevent (a) the Company, at any time except under the
conditions specified in sections 13.02, 13.03 and 13.04, from making payments at
any time of principal of (and premium, if any) or interest on the Securities, or
(b) the application by the Trustee of any money deposited with it hereunder to
the payment of or on account of the principal of (and premium, if

                                      -60-
<PAGE>

any) or interest on the Securities or the retention of such payment by the
Holders if, at the time of such application by the Trustee, the conditions
specified in sections 13.02, 13.03 and 13.04 did not exist.

            Section 13.06. Subrogation.

            After all Senior Indebtedness of the Company is paid in full and
until the Securities are paid in full, the Holders shall, to the extent of the
payments or distributions made to the holders of Senior Indebtedness pursuant to
this Article Thirteen, be subrogated (equally and ratably with all other
indebtedness as to which the right to receive payment is pari passu with the
Securities) to the rights of holders of such Senior Indebtedness to receive
distributions applicable to Senior Indebtedness of the Company. A distribution
made under this Article Thirteen to holders of Senior Indebtedness which
otherwise would have been made to the Holders is not, as between the Company and
the Holders, a payment by the Company on such Senior Indebtedness.

            Section 13.07. Relative Rights.

            This Article Thirteen defines the relative rights of the Holders and
holders of Senior Indebtedness of the Company. Nothing in this Indenture shall:

            (a) impair, as between the Company and the Holders, the obligation
      of the Company, which is absolute and unconditional, to pay principal of
      and interest on the Securities in accordance with their terms; or

            (b) prevent the Trustee or any Holder from exercising its available
      remedies upon a Default, subject to the rights of holders of Senior
      Indebtedness of the Company to receive distributions otherwise payable to
      the Holders.

            Section 13.08. Subordination May Not Be Impaired by Company.

            No right of any holder of Senior Indebtedness of the Company to
enforce the subordination of the Indebtedness evidenced by the Securities shall
be impaired by any act or failure to act by the Company or by its failure to
comply with this Indenture.

            Section 13.09. Rights of Trustee and Paying Agent.

            Notwithstanding Section 13.03, the Trustee or any Paying Agent may
continue to make payments on the Securities and shall not be charged with
knowledge of the existence of facts that would prohibit the making of any such
payments unless, not less than two Business Days prior to the date of such
payment, a Responsible Officer of the Trustee receives notice satisfactory to it
that payments may not be made under this Article Thirteen. The Company, the
Registrar, any Paying Agent, a Representative or a holder of Senior Indebtedness
of the Company may give the notice; provided, however, that, if an issue of
Senior Indebtedness of the Company has a Representative, only the Representative
may give the notice.

            The Trustee in its individual or any other capacity may hold Senior
Indebtedness of the Company with the same rights it would have if it were not
Trustee. The Registrar and any

                                      -61-
<PAGE>

Paying Agent may do the same with like rights. The Trustee shall be entitled to
all the rights set forth in this Article Thirteen with respect to any Senior
Indebtedness of the Company which may at any time be held by it, to the same
extent as any other holder of such Senior Indebtedness; and nothing in Article
Eight shall deprive the Trustee of any of its rights as such holder. Nothing in
this Article Thirteen shall apply to claims of, or payments to, the Trustee
under or pursuant to Section 8.07 or any other Section of this Indenture.

            Section 13.10. Distribution or Notice to Representative.

            Whenever a distribution is to be made or a notice given to holders
of Senior Indebtedness of the Company, the distribution may be made and the
notice given to their Representative (if any).

            Section 13.11. Article Thirteen Not to Prevent Events of Default or
Limit Right to Accelerate.

            The failure to make a payment pursuant to the terms of the
Securities by reason of any provision in this Article Thirteen shall not be
construed as preventing the occurrence of a Default in respect thereof. Nothing
in this Article Thirteen shall have any effect on the right of the Holders or
the Trustee to accelerate the maturity of the Securities.

            Section 13.12. Trust Monies Not Subordinated.

            Notwithstanding anything contained herein to the contrary, payments
from money or the proceeds of U.S. Government Obligations held in trust under
Article Six by the Trustee and deposited at a time when permitted by the
subordination provisions of this Article Thirteen for the payment of principal
of and interest on the Securities shall not be subordinated to the prior payment
of any Senior Indebtedness of the Company or subject to the restrictions set
forth in this Article Thirteen, and none of the Trustee or the Holders shall be
obligated to pay over any such amount to the Company or any holder of Senior
Indebtedness of the Company or any other creditor of the Company.

            Section 13.13. Trustee Entitled to Rely.

            Upon any payment or distribution pursuant to this Article Thirteen,
the Trustee and the Holders shall be entitled to conclusively rely (a) upon any
order or decree of a court of competent jurisdiction in which any proceedings of
the nature referred to in Section 13.02 are pending, (b) upon a certificate of
the liquidating trustee or agent or other Person making such payment or
distribution to the Trustee or to the Holders or (c) upon the Representatives
for the holders of Senior Indebtedness of the Company for the purpose of
ascertaining the Persons entitled to participate in such payment or
distribution, the holders of such Senior Indebtedness and other Indebtedness of
the Company, the amount thereof or payable thereon, the amount or amounts paid
or distributed thereon and all other facts pertinent thereto or to this Article
Thirteen. In the event that the Trustee determines, in good faith, that evidence
is required with respect to the right of any Person as a holder of Senior
Indebtedness of the Company to participate in any payment or distribution
pursuant to this Article Thirteen, the Trustee may request such Person to
furnish evidence to the reasonable satisfaction of the Trustee as to the amount
of such Senior Indebtedness held by such Person, the extent to which such Person
is entitled to participate in

                                      -62-
<PAGE>

such payment or distribution and other facts pertinent to the rights of such
Person under this Article Thirteen, and, if such evidence is not furnished, the
Trustee may defer any payment to such Person pending judicial determination as
to the right of such Person to receive such payment. The provisions of Sections
8.01 and 8.03 shall be applicable to all actions or omissions of actions by the
Trustee pursuant to this Article Thirteen.

            Section 13.14. Trustee to Effectuate Subordination.

            Each Holder by accepting a Security authorizes and directs the
Trustee on his behalf to take such action as may be necessary or appropriate to
acknowledge or effectuate the subordination between the Holders and the holders
of Senior Indebtedness of the Company as provided in this Article Thirteen and
appoints the Trustee as attorney-in-fact for any and all such purposes.

            Section 13.15. Trustee Not Fiduciary for Holders of Senior
Indebtedness.

            The Trustee shall not be deemed to owe any fiduciary duty to the
holders of Senior Indebtedness of the Company and shall not be liable to any
such holders if it shall mistakenly pay over or distribute to the Holders or the
Company or any other Person money or assets to which any holders of Senior
Indebtedness of the Company shall be entitled by virtue of this Article Thirteen
or otherwise. With respect to the holders of Senior Indebtedness, the Trustee
undertakes to perform or to observe only such of its covenants or obligations
as are specifically set forth in this Article Thirteen and no implied covenants
or obligations with respect to holders of Senior Indebtedness shall be read
into this Indenture against the Trustee.

            Section 13.16. Reliance by Holders of Senior Indebtedness on
Subordination Provisions.

            Each Holder by accepting a Security acknowledges and agrees that the
foregoing subordination provisions are, and are intended to be, an inducement
and a consideration to each holder of any Senior Indebtedness of the Company,
whether such Senior Indebtedness was created or acquired before or after the
issuance of the Securities, to acquire and continue to hold, or to continue to
hold, such Senior Indebtedness and such holder of such Senior Indebtedness shall
be deemed conclusively to have relied on such subordination provisions in
acquiring and continuing to hold, or in continuing to hold, such Senior
Indebtedness.

            Without in any way limiting the generality of the foregoing
paragraph, the holders of Senior Indebtedness of the Company may, at any time
and from time to time, without the consent of or notice to the Trustee or the
Holders, without incurring responsibility to the Trustee or the Holders and
without impairing or releasing the subordination provided in this Article
Thirteen or the obligations hereunder of the Holders to the holders of the
Senior Indebtedness of the Company, do any one or more of the following: (i)
change the manner, place or terms of payment or extend the time of payment of,
or renew or alter, Senior Indebtedness of the Company, or otherwise amend or
supplement in any manner Senior Indebtedness of the Company, or any instrument
evidencing the same or any agreement under which Senior Indebtedness of the
Company is outstanding; (ii) sell, exchange, release or otherwise deal with any
property pledged, mortgaged or otherwise securing Senior Indebtedness of the
Company; (iii) release any Person liable in any manner for the payment or
collection of Senior Indebtedness of the Company; and (iv) exercise or refrain
from exercising any rights against the Company and any other Person.

                                      -63-
<PAGE>

            IN WITNESS WHEREOF, the parties hereto have caused this Indenture to
be duly executed, all as of the day and year first above written.

                                         CITIZENS BANKING CORPORATION

                                         By:____________________________________
                                            Name:
                                            Title: Authorized Officer

                                         U.S. BANK NATIONAL ASSOCIATION
                                         As Trustee

                                         By:____________________________________
                                            Name:
                                            Title:

                                      -64-

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