STATE STREET BOSTON CORP
8-K, 1997-04-17
STATE COMMERCIAL BANKS
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<PAGE>
 
- --------------------------------------------------------------------------------

                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

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

                                   FORM 8-K
                                CURRENT REPORT

                      Pursuant to Section 13 or 15(d) of
                      The Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported):  March 11, 1997
                                                  ----------------------

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

                        STATE STREET BOSTON CORPORATION
                   -----------------------------------------
            (Exact name of Registrant as specified in its charter)

     Massachusetts                 0-5108                     04-2456637
     -------------                 ------                     ----------
(State or Other Jurisdiction    (Commission            (I.R.S. Employer I.D.
of Incorporation)               File No.)              Number)


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

   225 Franklin Street, Boston, Massachusetts               02110
   ------------------------------------------              -------
    (Address of Principal Executive Offices)              (Zip Code)

                                (617) 786-3000
            ------------------------------------------------------
             (Registrant's Telephone Number, including area code)


                               Page 1 of 4 pages
                            Exhibit Index on Page 4

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



<PAGE>

Item 5. Other Events

    On March 11, 1997, the Registrant completed the sale of $300 million of 
8.035% Capital Securities, Series A (the "Capital Securities") issued by State 
Street Institutional Capital B (the "Trust"), a newly created subsidiary 
business trust of the Registrant. The Capital Securities are fully guaranteed by
the Registrant. In connection with the sale of the Capital Securities, the 
Registrant issued and sold to the Trust $309 million of its 8.035% Junior 
Subordinated Deferrable Interest Debentures, Series B (the "Debentures").

    Neither the Capital Securities nor the Debentures have been registered under
the Securities Act of 1933, as amended (the "Securities Act"), and may not be 
offered or sold in the United States absent registration under, or an applicable
exemption from, the registration requirements of the Securities Act and 
applicable state securities laws.

Item 7. Financial Statements and Exhibits

    Exhibit 1    Junior Subordinated Indenture, dated as of December 15, 1996, 
                 between State Street Boston Corporation and The First National 
                 Bank of Chicago.

    Exhibit 2    Amended and Restated Trust Agreement, dated as of March 11, 
                 1997, relating to State Street Institutional Capital B.

    Exhibit 3    Capital Securities Guarantee Agreement, dated as of March 11, 
                 1997, between State Street Boston Corporation and The First 
                 National Bank of Chicago.


                                      -2-

<PAGE>
 
                                  SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, as 
amended, the Registrant has duly caused this report to be signed on its behalf 
by the undersigned hereunto duly authorized.

                                   STATE STREET BOSTON CORPORATION


                                   By: /s/ Rex S. Schuette
                                      -------------------------------------
                                      Title: Senior Vice President
Date: April 17, 1997

                                      -3-
<PAGE>
 
Exhibit Index                                                         Page
- -------------                                                         ----

Exhibit 1   Junior Subordinated Indenture, dated as of December 15, 1996,
            between State Street Boston Corporation and The First National Bank
            of Chicago.(1)

Exhibit 2   Amended and Restated Trust Agreement, dated as of 
            March 11, 1997, relating to State Street Institutional 
            Capital B.

Exhibit 3   Capital Securities Guarantee Agreement, dated as of 
            March 11, 1997, between State Street Boston Corporation 
            and The First National Bank of Chicago.

      (1)   Filed as an Exhibit to Registrant's Current Report on Form 8-K
            covering events on December 20, 1996 and incorporated by reference
            herein.

   
                                      -4-

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

                      AMENDED AND RESTATED TRUST AGREEMENT

                                     AMONG


                        STATE STREET BOSTON CORPORATION,
                                  as Depositor


                      THE FIRST NATIONAL BANK OF CHICAGO,
                              as Property Trustee

                          FIRST CHICAGO DELAWARE INC.,
                              as Delaware Trustee


                and the several Holders of the Trust Securities

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

                           Dated as of March 11, 1997

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

                      STATE STREET INSTITUTIONAL CAPITAL B

================================================================================
<PAGE>
 
                               TABLE OF CONTENTS
<TABLE>
<S>                                                                                      <C>
ARTICLE I.

Defined Terms

Section 1.1.   Definitions............................................................     1
 
ARTICLE II.

Continuation of the Issuer Trust

Section 2.1.   Name...................................................................    12
Section 2.2.   Office of the Delaware Trustee; Principal Place of Business............    12
Section 2.3.   Initial Contribution of Trust Property; Organizational Expenses........    12
Section 2.4.   Issuance of the Capital Securities.....................................    12
Section 2.5.   Issuance of the Common Securities; Subscription and Purchase of
                 Debentures...........................................................    13
Section 2.6.   Declaration of Trust...................................................    13
Section 2.7.   Authorization to Enter into Certain Transactions.......................    14
Section 2.8.   Assets of Trust........................................................    17
Section 2.9.   Title to Trust Property................................................    18
 
ARTICLE III.

Payment Account

Section 3.1.   Payment Account........................................................    18
 
ARTICLE IV.

Distributions; Redemption

Section 4.1.   Distributions..........................................................    18
Section 4.2.   Redemption.............................................................    19
Section 4.3.   Subordination of Common Securities.....................................    21
</TABLE> 

                                       i
<PAGE>
 
<TABLE> 
<S>                                                                                      <C>
Section 4.4.   Payment Procedures.....................................................    22
Section 4.5.   Tax Returns and Reports................................................    22
Section 4.6.   Payment of Taxes, Duties, Etc. of the Issuer Trust.....................    23
Section 4.7.   Payments under Indenture or Pursuant to Direct Actions.................    23
Section 4.8.   Liability of the Holder of Common Securities...........................    23
 
ARTICLE V.

Trust Securities Certificates

Section 5.1.   Initial Ownership......................................................    23
Section 5.2.   The Trust Securities Certificates......................................    24
Section 5.3.   Execution and Delivery of Trust Securities Certificates................    24
Section 5.4.   Book-Entry Capital Securities..........................................    24
Section 5.5.   Registration of Transfer and Exchange of Capital Securities 
                Certificates; Restricted Capital Securities Legends...................    27
Section 5.6.   Mutilated, Destroyed, Lost or Stolen Trust Securities Certificates.....    30
Section 5.7.   Persons Deemed Holders.................................................    30
Section 5.8.   Access to List of Holders' Names and Addresses.........................    31
Section 5.9.   Maintenance of Office or Agency........................................    31
Section 5.10.  Appointment of Paying Agent............................................    31
Section 5.11.  Ownership of Common Securities by Depositor............................    32
Section 5.12.  Notices to Clearing Agency.............................................    32
Section 5.13.  Rights of Holders; Waivers of Past Defaults............................    32
 
ARTICLE VI.

Acts of Holders; Meetings; Voting

Section 6.1.   Limitations on Voting Rights...........................................    35
Section 6.2.   Notice of Meetings.....................................................    36
Section 6.3.   Meetings of Holders of the Capital Securities..........................    36
Section 6.4.   Voting Rights..........................................................    36
Section 6.5.   Proxies, etc...........................................................    36
Section 6.6.   Holder Action by Written Consent.......................................    37
Section 6.7.   Record Date for Voting and Other Purposes..............................    37
Section 6.8.   Acts of Holders........................................................    37
Section 6.9.   Inspection of Records..................................................    38
</TABLE> 

                                       ii
<PAGE>
 
<TABLE> 
<S>                                                                                      <C>
ARTICLE VII.

Representations and Warranties

Section 7.1.   Representations and Warranties of the Property Trustee and the 
                Delaware Trustee......................................................    39
Section 7.2.   Representations and Warranties of Depositor............................    40
 
ARTICLE VIII.

The Issuer Trustees; The Administrators

Section 8.1.   Certain Duties and Responsibilities....................................    40
Section 8.2.   Certain Notices........................................................    43
Section 8.3.   Certain Rights of Property Trustee.....................................    43
Section 8.4.   Not Responsible for Recitals or Issuance of Securities.................    45
Section 8.5.   May Hold Securities....................................................    46
Section 8.6.   Compensation; Indemnity; Fees..........................................    46
Section 8.7.   Corporate Property Trustee Required; Eligibility of Issuer Trustees 
                and Administrators....................................................    47
Section 8.8.   Conflicting Interests..................................................    48
Section 8.9.   Co-Trustees and Separate Trustee.......................................    48
Section 8.10.  Resignation and Removal; Appointment of Successor......................    49
Section 8.11.  Acceptance of Appointment by Successor.................................    50
Section 8.12.  Merger, Conversion, Consolidation or Succession to Business............    51
Section 8.13.  Preferential Collection of Claims Against Depositor or Issuer Trust....    51
Section 8.14.  Trustee May File Proofs of Claim.......................................    51
Section 8.15.  Reports by Property Trustee............................................    52
Section 8.16.  Reports to the Property Trustee........................................    53
Section 8.17.  Evidence of Compliance with Conditions Precedent.......................    53
Section 8.18.  Number of Issuer Trustees..............................................    53
Section 8.19.  Delegation of Power....................................................    54
Section 8.20.  Appointment of Administrators..........................................    54
 
ARTICLE IX.

Dissolution, Liquidation and Merger

Section 9.1.   Dissolution Upon Expiration Date.......................................    55
</TABLE> 

                                      iii
<PAGE>
 
<TABLE> 
<S>                                                                                      <C>
Section 9.2.   Early Dissolution......................................................    55
Section 9.3.   Dissolution............................................................    55
Section 9.4.   Liquidation............................................................    56
Section 9.5.   Mergers, Consolidations, Amalgamations or Replacements of 
                Issuer Trust..........................................................    57
 
ARTICLE X.

Miscellaneous Provisions

Section 10.1.  Limitation of Rights of Holders........................................    58
Section 10.2.  Amendment..............................................................    58
Section 10.3.  Separability...........................................................    60
Section 10.4.  Governing Law..........................................................    60
Section 10.5.  Payments Due on Non-Business Day.......................................    60
Section 10.6.  Successors.............................................................    60
Section 10.7.  Headings...............................................................    60
Section 10.8.  Reports, Notices and Demands...........................................    60
Section 10.9.  Agreement Not to Petition..............................................    61
Section 10.10. Trust Indenture Act; Conflict with Trust Indenture Act.................    62
Section 10.11. Acceptance of Terms of Trust Agreement, Guarantee Agreement 
                and Indenture.........................................................    62
</TABLE>

                                    EXHIBITS

Exhibit A  Certificate of Trust
Exhibit B  Form of Certificate Depository Agreement
Exhibit C  Form of Common Securities Certificate
Exhibit D  Form of Expense Agreement
Exhibit E  Form of Capital Securities Certificate
Exhibit F  Form of Restricted Securities Certificate

                                       iv
<PAGE>
 
          AMENDED AND RESTATED TRUST AGREEMENT, dated as of March 11, 1997,
among (i) State Street Boston Corporation, a Massachusetts corporation
(including any successors or assigns, the "Depositor"), (ii) The First National
Bank of Chicago, a national banking association, as property trustee (in such
capacity, the "Property Trustee" and, in its separate corporate capacity and not
in its capacity as Property Trustee, the "Bank"), (iii) First Chicago Delaware
Inc., a Delaware corporation, as Delaware trustee (in such capacity, the
"Delaware Trustee") (the Property Trustee and the Delaware Trustee being
referred to collectively as the "Issuer Trustees"), and (iv) the several
Holders, as hereinafter defined.


                                   Witnesseth

          Whereas, the Depositor, the Property Trustee and the Delaware Trustee
have heretofore duly declared and established a business trust pursuant to the
Delaware Business Trust Act by entering into the Declaration of Trust, dated as
of February 26, 1997 (the "Original Trust Agreement"), and by the execution and
filing by the Delaware Trustee with the Secretary of State of the State of
Delaware of the Certificate of Trust, filed on February 26, 1997, attached as
Exhibit A; and

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

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


                                   ARTICLE I.

                                 Defined Terms

           Section 1.1     Definitions.

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

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

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

<PAGE>
 
          (c) The words "include", "includes" and "including" shall be deemed to
be followed by the phrase "without limitation";

          (d) All accounting terms used but not defined herein have the meanings
assigned to them in accordance with United States generally accepted accounting
principles;

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

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

          "Act" has the meaning specified in Section 6.8.

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

          "Additional Sums" has the meaning specified in Section 10.6 of the
Indenture.

          "Administrators" means each Person appointed in accordance with
Section 8.20 solely in such Person's capacity as Administrator of the Issuer
Trust heretofore formed and continued hereunder and not in such Person's
individual capacity, or any successor Administrator appointed as herein
provided.

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

          "Applicable Procedures" means, with respect to any transfer or
transaction involving a Book-Entry Capital Security, the rules and procedures of
the Clearing Agency for such Book-Entry Capital Security, in each case to the
extent applicable to such transaction and as in effect from time to time.

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

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

                                       2
<PAGE>
 
          (a) the entry of a decree or order by a court having jurisdiction in
the premises judging such Person a bankrupt or insolvent, or approving as
properly filed a petition seeking reorganization, arrangement, adjudication or
composition of or in respect of such Person under any applicable Federal or
State bankruptcy, insolvency, reorganization or other similar law, or appointing
a receiver, liquidator, assignee, trustee, sequestrator (or other similar
official) of such Person or of any substantial part of its property or ordering
the winding up or liquidation of its affairs, and the continuance of any such
decree or order unstayed and in effect for a period of 60 consecutive days; or

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

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

          "Board of Directors" means the board of directors of the Depositor or
the Executive Committee of the board of directors of the Depositor (or any other
committee of the board of directors of the Depositor performing similar
functions) or a committee designated by the board of directors of the Depositor
(or any such committee), comprised of two or more members of the board of
directors of the Depositor or officers of the Depositor, or both.

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

          "Book-Entry Capital Securities Certificate" means a Capital Securities
Certificate evidencing ownership of Book-Entry Capital Securities.

          "Book-Entry Capital Security" means a Capital Security, the ownership
and transfers of which shall be made through book entries by a Clearing Agency
as described in Section 5.4.

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

                                       3
<PAGE>
 
          "Capital Security" means an undivided beneficial interest in the
assets of the Issuer Trust, having a Liquidation Amount of $1,000 and having the
rights provided therefor in this Trust Agreement, including the right to receive
Distributions and a Liquidation Distribution to the extent provided herein.

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

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

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

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

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

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

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

          "Common Security" means an undivided beneficial interest in the assets
of the Issuer Trust, having a Liquidation Amount of $1,000 and having the rights
provided therefor in this Trust Agreement, including the right to receive
Distributions and a Liquidation Distribution to the extent provided herein.

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

          "Corporate Trust Office" means (i) when used with respect to the
Property Trustee, the principal office of the Property Trustee located in
Chicago, Illinois, and (ii) when used with respect to the Debenture Trustee, the
principal office of the Debenture Trustee located in Chicago, Illinois.

                                       4
<PAGE>
 
          "Debenture Event of Default" means any "Event of Default" specified in
Section 5.1 of the Indenture.

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

          "Debenture Tax Event" means a "Tax Event" as defined in the Indenture.

          "Debenture Trustee" means the Person identified as the "Trustee" in
the Indenture, solely in its capacity as Trustee pursuant to the Indenture and
not in its individual capacity, or its successor in interest in such capacity,
or any successor Trustee appointed as provided in the Indenture.

          "Debentures" means the Depositor's 8.035% Junior Subordinated
Deferrable Interest Debentures, Series B, issued pursuant to the Indenture.

          "Definitive Capital Securities Certificates" means either or both (as
the context requires) of (i) Capital Securities Certificates issued as Book-
Entry Capital Securities Certificates as provided in Section 5.2 or 5.4, and
(ii) Capital Securities Certificates issued in certificated, fully registered
form as provided in Section 5.2, 5.4 or 5.5.

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

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

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

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

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

          "DTC" means The Depository Trust Company.

          "Early Dissolution Event" has the meaning specified in Section 9.2.

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

                                       5
<PAGE>
 
     (a) the occurrence of a Debenture Event of Default; or

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

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

     (d) default in the performance, or breach, in any material respect, of any
     covenant or warranty of the Issuer Trustees in this Trust Agreement (other
     than those specified in clause (b) or (c) above) and continuation of such
     default or breach for a period of 60 days after there has been given, by
     registered or certified mail, to the Issuer Trustees and to the Depositor
     by the Holders of at least 25% in aggregate Liquidation Amount of the
     Outstanding Capital Securities a written notice specifying such default or
     breach and requiring it to be remedied and stating that such notice is a
     "Notice of Default" hereunder; or

     (e) the occurrence of a Bankruptcy Event with respect to the Property
     Trustee if a successor Property Trustee has not been appointed within 90
     days thereof.

          "Exchange Act" means the Securities Exchange Act of 1934, and any
successor statute thereto, in each case as amended from time to time.

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

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

          "Guarantee Agreement" means the Guarantee Agreement executed and
delivered by the Depositor and The First National Bank of Chicago, as guarantee
trustee, contemporaneously with the execution and delivery of this Trust
Agreement, for the benefit of the holders of the Capital Securities, as amended
from time to time.

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

          "Indenture" means the Junior Subordinated Indenture, dated as of
December 15, 1996, between the Depositor and the Debenture Trustee, as trustee,
as amended or supplemented from time to time.

          "Initial Purchasers" has the meaning specified in the Purchase
Agreement.

                                       6
<PAGE>
 
          "Institutional Accredited Investor" means an institutional accredited
investor within the meaning of Rule 501(a)(1), (2), (3) or (7) of Regulation D
under the Securities Act.

          "Issuer Trust" means the Delaware business trust known as "State
Street Institutional Capital B" which was formed on February 26, 1997 under the
Delaware Business Trust Act pursuant to the Original Trust Agreement and the
filing of the Certificate of Trust, and continued pursuant to this Trust
Agreement.

          "Issuer Trustees" means, collectively, the Property Trustee and the
Delaware Trustee.

          "Investment Company Act" means the Investment Company Act of 1940, or
any successor statute thereto, in each case as amended from time to time.

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

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

          "Liquidation Amount" means the stated amount of $1,000 per Trust
Security.

          "Liquidation Date" means the date of the dissolution, winding-up or
dissolution of the Issuer Trust pursuant to Section 9.4.

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

          "Majority in Liquidation Amount of the Capital Securities" or
"Majority in Liquidation Amount of the Common Securities" means, except as
provided by the Trust Indenture Act, Capital Securities or Common Securities, as
the case may be, representing more than 50% of the aggregate Liquidation Amount
of all then Outstanding Capital Securities or Common Securities, as the case may
be.

          "Officers' Certificate" means, with respect to any Person, a
certificate signed by the Chairman of the Board, a Vice Chairman of the Board,
the President or a Vice President, and by the Treasurer, an Assistant Treasurer,
the Secretary or an Assistant Secretary, of such Person.  Any 

                                       7
<PAGE>
 
Officers' Certificate delivered with respect to compliance with a condition or
covenant provided for in this Trust Agreement shall include:

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

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

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

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

          "Opinion of Counsel" means a written opinion of counsel, who may be
counsel for or an employee of the Corporation or any Affiliate of the
Corporation.

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

          "Other Capital Securities" means the Capital Securities sold by the
Initial Purchasers in the initial offering contemplated by the Purchase
Agreement to Institutional Accredited Investors in reliance on an exemption from
the registration requirements of the Securities Act other than Rule 144A, as
specified by the Initial Purchasers to the Depositor and the Property Trustee.

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

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

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

     (c) Trust Securities that have been paid or in exchange for or in lieu of
     which other Capital Securities have been executed and delivered pursuant to
     Sections 5.4, 5.5, 5.6 and 5.11;

                                       8
<PAGE>
 
provided, however, that in determining whether the Holders of the requisite
Liquidation Amount of the Outstanding Capital Securities have given any request,
demand, authorization, direction, notice, consent or waiver hereunder, Capital
Securities owned by the Depositor, any Trustee, any Administrator or any
Affiliate of the Depositor, any Issuer Trustee or any Administrator shall be
disregarded and deemed not to be Outstanding, except that (a) in determining
whether any Issuer Trustee or any Administrator shall be protected in relying
upon any such request, demand, authorization, direction, notice, consent or
waiver, only Capital Securities that such Issuer Trustee or such Administrator,
as the case may be, knows to be so owned shall be so disregarded, and (b) the
foregoing shall not apply at any time when all of the outstanding Capital
Securities are owned by the Depositor, one or more of the Issuer Trustees, one
or more of the Administrators and/or any such Affiliate. Capital Securities so
owned that have been pledged in good faith may be regarded as Outstanding if the
pledgee establishes to the satisfaction of the Administrators the pledgee's
right so to act with respect to such Capital Securities and that the pledgee is
not the Depositor or any Affiliate of the Depositor.

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

          "Paying Agent" means any paying agent or co-paying agent appointed
pursuant to Section 5.10 and shall initially be the Bank.

          "Payment Account" means a segregated non-interest-bearing corporate
trust account maintained by the Property Trustee with State Street Bank and
Trust Company in its trust department for the benefit of the Holders in which
all amounts paid in respect of the Debentures will be held and from which the
Property Trustee, through the Paying Agent, shall make payments to the Holders
in accordance with Sections 4.1 and 4.2.

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

          "PORTAL" means the Private Offering, Resales and Trading through
Automatic Linkages (PORTAL) Market, and any successor market thereto.

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

                                       9
<PAGE>
 
          "Purchase Agreement" means the Purchase Agreement, dated March 4,
1997, among the Issuer Trust, the Depositor and the Initial Purchasers.

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

          "Redemption Price" means, with respect to any Trust Security, the
Liquidation Amount of such Trust Security, plus accumulated and unpaid
Distributions to the Redemption Date, plus the related amount of the premium, if
any, paid by the Depositor upon the concurrent redemption of a Like Amount of
Debentures.

          "Regulation D" means Regulation D under the Securities Act (or any
successor provision), as it may be amended from time to time.

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

          "Restricted Capital Securities" means all Capital Securities the
Capital Securities Certificate for which is required pursuant to Section 5.5(c)
to bear a Restricted Capital Securities Legend. Such term includes the Book-
Entry Capital Securities Certificate.

          "Restricted Capital Securities Legend" means a legend substantially in
the form of the legend required in the form of Capital Securities Certificate
set forth in Exhibit E to be placed upon a Restricted Securities Certificate.

          "Restricted Securities Certificate" means a certificate substantially
in the form set forth in Exhibit F.

          "Rule 144A" means Rule 144A under the Securities Act (or any successor
provision), as it may be amended from time to time.

          "Rule 144A Capital Securities" means the Capital Securities purchased
by the Initial Purchasers from the Issuer Trust pursuant to the Purchase
Agreement, other than the Other Capital Securities.

          "Securities Act" means the Securities Act of 1933, and any successor
statute thereto, in each case as amended from time to time.

          "Securities Register" and "Securities Registrar" have the respective
meanings specified in Section 5.5.

                                       10
<PAGE>
 
          "Successor Capital Securities" of any particular Capital Securities
Certificate means every Capital Securities Certificate issued after, and
evidencing all or a portion of the same beneficial interest in the Issuer Trust
as that evidenced by, such particular Capital Securities Certificate; and, for
the purposes of this definition, any Capital Securities Certificate executed and
delivered under Section 5.6 in exchange for or in lieu of a mutilated,
destroyed, lost or stolen Capital Securities Certificate shall be deemed to
evidence the same beneficial interest in the Issuer Trust as the mutilated,
destroyed, lost or stolen Capital Securities Certificate.

          "Time of Delivery" has the meaning specified in the Purchase
Agreement.

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

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

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

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

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

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

                                       11
<PAGE>
 
                                  ARTICLE II.

                        Continuation of the Issuer Trust

           Section 2.1     Name.

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

           Section 2.2     Office of the Delaware Trustee; Principal Place of
Business.

          The address of the Delaware Trustee in the State of Delaware is 300
King Street, Wilmington, Delaware 19801, Attention: Michael J. Majchrzak, or
such other address in the State of Delaware as the Delaware Trustee may
designate by written notice to the Holders, the Depositor, the Property Trustee
and the Administrators. The principal executive office of the Issuer Trust is 61
Broadway, 15th Floor, New York, New York 10005.

           Section 2.3     Initial Contribution of Trust Property;
Organizational Expenses.

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

           Section 2.4     Issuance of the Capital Securities.

          On March 4, 1997, the Depositor, both on its own behalf and on behalf
of the Issuer Trust pursuant to the Original Trust Agreement, executed and
delivered the Purchase Agreement. Contemporaneously with the execution and
delivery of this Trust Agreement, an Administrator, on behalf of the Issuer
Trust, shall manually execute in accordance with Sections 5.3 and 8.9(a) and the
Property Trustee shall deliver to the Initial Purchasers, Capital Securities
Certificates, registered in the names requested by the Initial Purchasers,
evidencing an aggregate of 300,000 Capital Securities having an aggregate
Liquidation Amount of $300,000,000, against receipt of the aggregate purchase
price of such Capital Securities of $300,000,000 by the Property Trustee.

                                       12
<PAGE>
 
           Section 2.5     Issuance of the Common Securities; Subscription and
Purchase of Debentures.

          Contemporaneously with the execution and delivery of this Trust
Agreement, an Administrator, on behalf of the Issuer Trust, shall execute in
accordance with Sections 5.3 and 8.9(a) and the Property Trustee shall deliver
to the Depositor Common Securities Certificates, registered in the name of the
Depositor, evidencing an aggregate of 9,279 Common Securities having an
aggregate Liquidation Amount of $9,279,000, against receipt of the aggregate
purchase price of such Common Securities of $9,279,000, to the Property Trustee.
Contemporaneously therewith, an Administrator, on behalf of the Issuer Trust,
shall subscribe for and purchase from the Depositor the Debentures, registered
in the name of the Property Trustee on behalf of the Trust and having an
aggregate principal amount equal to $309,279,000, and, in satisfaction of the
purchase price for such Debentures, the Property Trustee, on behalf of the
Issuer Trust, shall deliver to the Depositor the sum of $309,279,000 (being the
sum of the amounts delivered to the Property Trustee pursuant to (i) the second
sentence of Section 2.4, and (ii) the first sentence of this Section 2.5).

           Section 2.6     Declaration of Trust.

          The exclusive purposes and functions of the Issuer Trust are (a) to
issue and sell Trust Securities and use the proceeds from such sale to acquire
the Debentures, and (b) to engage in those activities necessary, convenient or
incidental thereto. The Depositor hereby appoints the Issuer Trustees as
trustees of the Issuer Trust, to have all the rights, powers and duties to the
extent set forth herein, and the Issuer Trustees hereby accept such appointment.
The Property Trustee hereby declares that it will hold the Trust Property in
trust upon and subject to the conditions set forth herein for the benefit of the
Issuer Trust and the Holders. The Administrators shall have only those
ministerial duties set forth herein with respect to accomplishing the purposes
of the Issuer Trust and shall not be trustees or, to the fullest extent
permitted by law, fiduciaries with respect to the Issuer Trust or the Holders.
The Property Trustee shall have the right and power to perform those duties
assigned to the Administrators. The Delaware Trustee shall not be entitled to
exercise any powers, nor shall the Delaware Trustee have any of the duties and
responsibilities of the Property Trustee or the Administrators, or any of the
duties and responsibilities of the Issuer Trustees generally, set forth herein.
The Delaware Trustee shall be one of the trustees of the Issuer Trust for the
sole and limited purpose of fulfilling the requirements of Section 3807 of the
Delaware Business Trust Act and for taking such actions as are required to be
taken by a Delaware trustee under the Delaware Business Trust Act.

           Section 2.7     Authorization to Enter into Certain Transactions.

          (a) The Issuer Trustees and the Administrators shall conduct the
affairs of the Issuer Trust in accordance with the terms of this Trust
Agreement. Subject to the limitations set forth in paragraph (b) of this
Section, and in accordance with the following provisions (i) and (ii), the
Issuer Trustees and the Administrators shall have the authority to enter into
all transactions and agreements determined by the Issuer Trustees or the
Administrators to be appropriate in exercising the authority, 

                                       13
<PAGE>
 
express or implied, otherwise granted to the Issuer Trustees or the
Administrators, as the case may be, under this Trust Agreement, and to perform
all acts in furtherance thereof, including the following:

          (i) Each Administrator shall have the power and authority to act on
     behalf of the Issuer Trust with respect to the following matters:

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

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

               (C) assisting in compliance with the Securities Act of 1933, as
          amended (including by means of registration of the Capital Securities
          thereunder from time to time), applicable state securities or blue sky
          laws and the Trust Indenture Act;

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

               (E) assisting in obtaining the designation of the Capital
          Securities for trading in PORTAL (if applicable);

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

               (G) the consent to the appointment of a Paying Agent,
          authenticating agent and Securities Registrar in accordance with this
          Trust Agreement (which consent shall not be unreasonably withheld);

               (H) execution of the Trust Securities on behalf of the Trust in
          accordance with this Trust Agreement;

               (I) execution and delivery of closing certificates, if any,
          pursuant to the Purchase Agreement and application for a taxpayer
          identification number for the Issuer Trust;

                                       14
<PAGE>
 
               (J) unless otherwise determined by the Property Trustee or
          Holders of at least a Majority in Liquidation Amount of the Capital
          Securities or as otherwise required by the Delaware Business Trust Act
          or the Trust Indenture Act, to execute on behalf of the Issuer Trust
          (either acting alone or together with any or all of the
          Administrators) any documents that the Administrators have the power
          to execute pursuant to this Trust Agreement; and

               (K) the taking of any action incidental to the foregoing as the
          Issuer Trustees may from time to time determine is necessary or
          advisable to give effect to the terms of this Trust Agreement.

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

               (A) the establishment of the Payment Account;

               (B) the receipt of the Debentures;

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

               (D) the distribution through the Paying Agent of amounts
          distributable to the Holders in respect of the Trust Securities;

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

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

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

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

               (I) after an Event of Default (other than under paragraph (b),
          (c), (d) or (e) of the definition of such term if such Event of
          Default is by or with respect to the Property Trustee) the taking of
          any action incidental to the foregoing as the Property Trustee may
          from time to time determine is necessary or advisable to give effect
          to the terms of this Trust Agreement and protect and conserve the
          Trust Property for the 

                                       15
<PAGE>
 
          benefit of the Holders (without consideration of the effect of any
          such action on any particular Holder); and

               (J) the Property Trustee shall have the power and authority to
          act on behalf of the Trust with respect to any of the duties,
          liabilities, powers or authority of the Administrators set forth in
          Section 2.7(a)(i)(E), (F) and (J) herein but shall not have a duty to
          do any such act unless specifically requested to do so in writing by
          the Depositor, and shall then be fully protected in acting pursuant to
          such written request; and in the event of a conflict between the
          action of the Administrators and the action of the Property Trustee,
          the action of the Property Trustee shall prevail.

          (b) So long as this Trust Agreement remains in effect, the Issuer
Trust (or the Issuer Trustees or Administrators acting on behalf of the Issuer
Trust) shall not undertake any business, activities or transaction except as
expressly provided herein or contemplated hereby. In particular, neither the
Issuer Trustees nor the Administrators acting on behalf of the Trust shall (i)
acquire any investments or engage in any activities not authorized by this Trust
Agreement, (ii) sell, assign, transfer, exchange, mortgage, pledge, set-off or
otherwise dispose of any of the Trust Property or interests therein, including
to Holders, except as expressly provided herein, (iii) take any action that
would reasonably be expected to cause the Issuer Trust to become taxable as a
corporation or classified as other than a grantor trust for United States
Federal income tax purposes, (iv) incur any indebtedness for borrowed money or
issue any other debt, or (v) take or consent to any action that would result in
the placement of a Lien on any of the Trust Property. The Property Trustee shall
defend all claims and demands of all Persons at any time claiming any Lien on
any of the Trust Property adverse to the interest of the Issuer Trust or the
Holders in their capacity as Holders.

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

          (i) the preparation by the Issuer Trust of an Offering Circular in
     relation to the Capital Securities, including any amendments thereto and
     the taking of any action necessary or desirable to sell the Capital
     Securities in a transaction or a series of transactions exempt from the
     registration requirements of the Securities Act of 1933, as amended;

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

                                       16
<PAGE>
 
          (iii) the negotiation of the terms of, and the execution and delivery
     of, the Purchase Agreement providing for the sale of the Capital
     Securities; and

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

          (d) Notwithstanding anything herein to the contrary, the
Administrators and the Issuer Trustees are authorized and directed to conduct
the affairs of the Issuer Trust and to operate the Issuer Trust so that the
Issuer Trust will not be deemed to be an "investment company" required to be
registered under the Investment Company Act, and will not be taxable as a
corporation or classified as other than a grantor trust for United States
Federal income tax purposes and so that the Debentures will be treated as
indebtedness of the Depositor for United States Federal income tax purposes. In
this connection, each Administrator, the Property Trustee and the Holders of at
least a Majority in Liquidation Amount of the Common Securities are authorized
to take any action, not inconsistent with applicable law, the Certificate of
Trust or this Trust Agreement, that such Administrator, the Property Trustee or
Holders of Common Securities determine in their discretion to be necessary or
desirable for such purposes, as long as such action does not adversely affect in
any material respect the interests of the Holders of the Outstanding Capital
Securities. In no event shall the Administrators or the Issuer Trustees be
liable to the Issuer Trust or the Holders for any failure to comply with this
section that results from a change in law or regulation or in the interpretation
thereof.

           Section 2.8     Assets of Trust.

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

           Section 2.9     Title to Trust Property.

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


                                  ARTICLE III

                                Payment Account

           Section 3.1     Payment Account.

          (a) On or prior to the Closing Date, the Property Trustee shall
establish the Payment Account. The Property Trustee and its agents shall have
exclusive control and sole right of withdrawal with respect to the Payment
Account for the purpose of making deposits in and withdrawals from the Payment
Account in accordance with this Trust Agreement. All monies and other property
deposited 

                                       17
<PAGE>
 
or held from time to time in the Payment Account shall be held by the Property
Trustee in the Payment Account for the exclusive benefit of the Holders and for
distribution as herein provided, including (and subject to) any priority of
payments provided for herein.

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


                                  ARTICLE IV.

                           Distributions; Redemption

           Section 4.1     Distributions.

          (a) The Trust Securities represent undivided beneficial interests in
the Trust Property, and Distributions (including of Additional Amounts) will be
made on the Trust Securities at the rate and on the dates that payments of
interest (including of Additional Interest, as defined in the Indenture) are
made on the Debentures. Accordingly:

          (i) Distributions on the Issuer Trust Securities shall be cumulative,
     and will accumulate whether or not there are funds of the Trust available
     for the payment of Distributions. Distributions shall accumulate from March
     11, 1997, and, except in the event (and to the extent) that the Depositor
     exercises its right to defer the payment of interest on the Debentures
     pursuant to the Indenture, shall be payable semi-annually in arrears on
     March 15 and September 15 of each year, commencing on September 15, 1997.
     If any date on which a Distribution is otherwise payable on the Trust
     Securities is not a Business Day, then the payment of such Distribution
     shall be made on the next succeeding day that is a Business Day (and
     without any interest or other payment in respect of any such delay), with
     the same force and effect as if made on the date on which such payment was
     originally payable (each date on which distributions are payable in
     accordance with this Section 4.1(a), a "Distribution Date").

          (ii)  The Trust Securities shall be entitled to Distributions payable
     at a rate of 8.035% per annum of the Liquidation Amount of the Trust
     Securities. The amount of Distributions payable for any period less than a
     full Distribution period shall be computed on the basis of a 360-day year
     of twelve 30-day months and the actual number of days elapsed in a partial
     month in a period. Distributions payable for each full Distribution period
     will be computed by dividing the rate per annum by two. The amount of
     Distributions payable for any period shall include any Additional Amounts
     in respect of such period.

                                       18
<PAGE>
 
          (iii)  Distributions on the Trust Securities shall be made by the
     Property Trustee from the Payment Account and shall be payable on each
     Distribution Date only to the extent that the Issuer Trust has funds then
     on hand and available in the Payment Account for the payment of such
     Distributions.

          (b) Distributions on the Trust Securities with respect to a
Distribution Date shall be payable to the Holders thereof as they appear on the
Securities Register for the Trust Securities at the close of business on the
relevant record date, which shall be at the close of business on the fifteenth
day (whether or not a Business Day) next preceding the relevant Distribution
Date.

           Section 4.2     Redemption.

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

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

          (i) the Redemption Date;

          (ii) the Redemption Price or if the Redemption Price cannot be
     calculated prior to the time the notice is required to be sent, the
     estimate of the Redemption Price together with a statement that it is an
     estimate and that the actual Redemption Price will be calculated on the
     third Business Day prior to the Redemption Date (and if an estimate is
     provided, a further notice shall be sent of the actual Redemption Price on
     the date that such Redemption Price is calculated);

          (iii) the CUSIP number or CUSIP numbers of the Capital Securities
     affected;

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

          (v) that on the Redemption Date the Redemption Price will become due
     and payable upon each such Trust Security to be redeemed and that
     Distributions thereon will cease to accumulate on and after said date,
     except as provided in Section 4.2(d) below; and

          (vi) the place or places where the Trust Securities are to be
     surrendered for the payment of the Redemption Price.

                                       19
<PAGE>
 
          The Trust in issuing the Trust Securities may use "CUSIP" or "private
placement" numbers (if then generally in use), and, if so, the Property Trustee
shall indicate the "CUSIP" or "private placement" numbers of the Trust
Securities in notices of redemption and related materials 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 Trust Securities
or as contained in any notice of redemption and related materials.

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

          (d) If the Property Trustee gives a notice of redemption in respect of
any Capital Securities, then, by 12:00 noon, New York City time, on the
Redemption Date, subject to Section 4.2(c), the Property Trustee will, with
respect to Book-Entry Capital Securities, irrevocably deposit with the Clearing
Agency for such Book-Entry Capital Securities, to the extent available therefor,
funds sufficient to pay the applicable Redemption Price and will give such
Clearing Agency irrevocable instructions and authority to pay the Redemption
Price to the Holders of the Capital Securities. With respect to Capital
Securities that are not Book-Entry Capital Securities, the Property Trustee,
subject to Section 4.2(c), will irrevocably deposit with the Paying Agent, to
the extent available therefor, funds sufficient to pay the applicable Redemption
Price and will give the Paying Agent irrevocable instructions and authority to
pay the Redemption Price to the Holders of the Capital Securities upon surrender
of their Capital Securities Certificates. Notwithstanding the foregoing,
Distributions payable on or prior to the Redemption Date for any Trust
Securities called for redemption shall be payable to the Holders of such Trust
Securities as they appear on the Securities Register for the Trust Securities on
the relevant record dates for the related Distribution Dates. If notice of
redemption shall have been given and funds deposited as required, then upon the
date of such deposit, all rights of Holders holding Trust Securities so called
for redemption will cease, except the right of such Holders to receive the
Redemption Price and any Distribution payable in respect of the Trust Securities
on or prior to the Redemption Date, but without interest, and such Securities
will cease to be outstanding. In the event that any date on which any Redemption
Price is payable is not a Business Day, then payment of the Redemption Price
payable on such date will be made on the next succeeding day that is a Business
Day (without any interest or other payment in respect of any such delay), except
that, if such Business Day falls in the next calendar year, such payment will be
made on the immediately preceding Business Day, in each case, with the same
force and effect as if made on such date. In the event that payment of the
Redemption Price in respect of any Trust Securities called for redemption is
improperly withheld or refused and not paid either by the Issuer Trust or by the
Depositor pursuant to the Guarantee Agreement, Distributions on such Trust
Securities will continue to accumulate, as set forth in Section 4.1, from the
Redemption Date originally established by the Issuer Trust for such Trust
Securities to the date such Redemption Price is actually paid, in which case the
actual payment date will be the date fixed for redemption for purposes of
calculating the Redemption Price.

                                       20
<PAGE>
 
          (e) Subject to Section 4.3(a), if less than all the Outstanding Trust
Securities are to be redeemed on a Redemption Date, then the aggregate
Liquidation Amount of Trust Securities to be redeemed shall be allocated pro
rata to the Common Securities and the Capital Securities based upon the relative
Liquidation Amounts of such classes. The particular Capital Securities to be
redeemed shall be selected on a pro rata basis based upon their respective
Liquidation Amounts not more than 60 days prior to the Redemption Date by the
Property Trustee from the Outstanding Capital Securities not previously called
for redemption, provided that so long as the Capital Securities are in book-
entry-only form, such selection shall be made in accordance with the customary
procedures for the Clearing Agency for the Capital Securities.  The Property
Trustee shall promptly notify the Securities Registrar in writing of the Capital
Securities selected for redemption and, in the case of any Capital Securities
selected for partial redemption, the Liquidation Amount thereof to be redeemed.
For all purposes of this Trust Agreement, unless the context otherwise requires,
all provisions relating to the redemption of Capital Securities shall relate, in
the case of any Capital Securities redeemed or to be redeemed only in part, to
the portion of the aggregate Liquidation Amount of Capital Securities that has
been or is to be redeemed.

           Section 4.3     Subordination of Common Securities.

          (a) Payment of Distributions (including any Additional Amounts) on,
the Redemption Price of, and the Liquidation Distribution in respect of the
Trust Securities, as applicable, shall be made, subject to Section 4.2(e), pro
rata among the Common Securities and the Capital Securities based on the
Liquidation Amount of the Trust Securities; provided, however, that if on any
Distribution Date, Redemption Date or Liquidation Date any Event of Default
resulting from a Debenture Event of Default specified in Section 5.1(1) or
5.1(2) of the Indenture shall have occurred and be continuing, no payment of any
Distribution (including any Additional Amounts) on, Redemption Price of, or
Liquidation Distribution in respect of any Common Security, and no other payment
on account of the redemption, liquidation or other acquisition of Common
Securities, shall be made unless payment in full in cash of all accumulated and
unpaid Distributions (including any Additional Amounts) on all Outstanding
Capital Securities for all Distribution periods terminating on or prior thereto,
or in the case of payment of the Redemption Price the full amount of such
Redemption Price on all Outstanding Capital Securities then called for
redemption, or in the case of payment of the Liquidation Distribution the full
amount of such Liquidation Distribution on all Outstanding Capital Securities,
shall have been made or provided for, and all funds immediately available to the
Property Trustee shall first be applied to the payment in full in cash of all
Distributions (including any Additional Amounts) on, or the Redemption Price of,
the Capital Securities then due and payable.

          (b) In the case of the occurrence of any Event of Default resulting
from any Debenture Event of Default, the Holders of the Common Securities shall
have no right to act with respect to any such Event of Default under this Trust
Agreement until the effect of all such Events of Default with respect to the
Capital Securities have been cured, waived or otherwise eliminated. Until all
such Events of Default under this Trust Agreement with respect to the Capital
Securities have been so cured, waived or otherwise eliminated, the Property
Trustee shall act solely on behalf of the Holders of the Capital Securities and
not on behalf of the Holders of the Common Securities, and only the 

                                       21
<PAGE>
 
Holders of the Capital Securities will have the right to direct the Property
Trustee to act on their behalf.

           Section 4.4     Payment Procedures.

          Payments of Distributions (including any Additional Amounts) in
respect of the Capital Securities shall be made by check mailed to the address
of the Person entitled thereto as such address shall appear on the Securities
Register or, if the Capital Securities are held by a Clearing Agency, such
Distributions shall be made to the Clearing Agency in immediately available
funds. Payments in respect of the Common Securities shall be made in such manner
as shall be mutually agreed between the Property Trustee and the Holders of the
Common Securities.

           Section 4.5     Tax Returns and Reports.

          The Administrators shall prepare (or cause to be prepared), at the
Depositor's expense, and file all United States Federal, state and local tax and
information returns and reports required to be filed by or in respect of the
Issuer Trust. In this regard, the Administrators shall (a) prepare and file (or
cause to be prepared and filed) all Internal Revenue Service forms required to
be filed in respect of the Issuer Trust in each taxable year of the Issuer
Trust, and (b) prepare and furnish (or cause to be prepared and furnished) to
each Holder all Internal Revenue Service forms required to be provided by the
Issuer Trust. The Administrators shall provide the Depositor and the Property
Trustee with a copy of all such returns and reports promptly after such filing
or furnishing. The Issuer Trustees shall comply with United States Federal
withholding and backup withholding tax laws and information reporting
requirements with respect to any payments to Holders under the Trust Securities.

           Section 4.6     Payment of Taxes, Duties, Etc. of the Issuer Trust.

          Upon receipt under the Debentures of Additional Sums, the Property
Trustee shall promptly pay any taxes, duties or governmental charges of
whatsoever nature (other than withholding taxes) imposed on the Issuer Trust by
the United States or any other taxing authority.

           Section 4.7 Payments under Indenture or Pursuant to Direct Actions.

          Any amount payable hereunder to any Holder of Capital Securities (or
any Owner with respect thereto) shall be reduced by the amount of any
corresponding payment such Holder (or Owner) has directly received pursuant to
Section 5.8 of the Indenture or Section 5.13 of this Trust Agreement.

                                       22
<PAGE>
 
           Section 4.8     Liability of the Holder of Common Securities.

          Any Holder of the Common Securities shall be liable for the debts and
obligations of the Issuer Trust in the manner and to the extent set forth with
respect to the Common Securityholder (as defined in the Expense Agreement) and
agrees that it shall be subject to all liabilities to which the Common
Securityholder may be subject, and shall make all payments that the Common
Securityholder is required to make, under the terms of the Expense Agreement.


                                   ARTICLE V.

                         Trust Securities Certificates

           Section 5.1     Initial Ownership.

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

           Section 5.2     The Trust Securities Certificates.

          (a) The Trust Securities Certificates shall be executed on behalf of
the Issuer Trust by manual signature of at least one Administrator. Trust
Securities Certificates bearing the manual signatures of individuals who were,
at the time when such signatures shall have been affixed, authorized to sign on
behalf of the Issuer Trust, shall be validly issued and entitled to the benefits
of this Trust Agreement, notwithstanding that such individuals or any of them
shall have ceased to be so authorized prior to the delivery of such Trust
Securities Certificates or did not hold such offices at the date of delivery of
such Trust Securities Certificates. A transferee of a Trust Securities
Certificate shall become a Holder, and shall be entitled to the rights and
subject to the obligations of a Holder hereunder, upon due registration of such
Trust Securities Certificate in such transferee's name pursuant to Section 5.5.

          (b) Upon their original issuance, Capital Securities Certificates
representing Rule 144A Capital Securities shall be issued in the form of one or
more Book-Entry Capital Securities Certificates registered in the name of DTC,
as Clearing Agency, or its nominee and deposited with DTC or a custodian for DTC
for credit by DTC to the respective accounts of the Owners thereof (or such
other accounts as they may direct).

          (c) Upon their original issuance, Capital Securities Certificates
representing Other Capital Securities shall be issued in definitive registered
form and sold in minimum initial amounts of $100,000 (100 Capital Securities)
and integral multiples of $1,000 in excess thereof, and shall not be issued in
the form of a Book-Entry Capital Securities Certificate or in any other form
intended to facilitate book-entry trading in beneficial interests in such
Capital Securities.

                                       23
<PAGE>
 
          (d) A single Common Securities Certificate representing the Common
Securities shall be issued to the Depositor in the form of a definitive Common
Securities Certificate.

           Section 5.3     Execution and Delivery of Trust Securities
Certificates.

          At the Time of Delivery, the Administrators shall cause Trust
Securities Certificates, in an aggregate Liquidation Amount as provided in
Sections 2.4 and 2.5, to be executed on behalf of the Issuer Trust and delivered
to or upon the written order of the Depositor, executed by one authorized
officer thereof, without further corporate action by the Depositor, in
authorized denominations.

           Section 5.4     Book-Entry Capital Securities.

          (a) Each Book-Entry Capital Securities Certificate issued under this
Agreement shall be registered in the name of the Clearing Agency or a nominee
thereof and delivered to such Clearing Agency or a nominee thereof or custodian
therefor, and each such Book-Entry Capital Securities Certificate shall
constitute a single Capital Securities Certificate for all purposes of this
Agreement.

          (b) Notwithstanding any other provision in this Trust Agreement, no
Book-Entry Capital Securities Certificate may be exchanged in whole or in part
for Capital Securities Certificates registered, and no transfer of a Book-Entry
Capital Securities Certificate in whole or in part may be registered, in the
name of any Person other than the Clearing Agency for such Book-Entry Capital
Securities Certificates or a nominee thereof unless (a) the Clearing Agency
advises the Property Trustee in writing that the Clearing Agency is no longer
willing or able to properly discharge its responsibilities with respect to the
Book-Entry Capital Securities Certificates, and the Property Trustee is unable
to locate a qualified successor, (b) the Issuer Trust at its option advises the
Depositary in writing that it elects to terminate the book-entry system through
the Clearing Agency, (c) a Debenture Event of Default has occurred and is
continuing, or (d) in the case of a transfer of a beneficial interest in such
Capital Security to a Person that is not a "qualified institutional buyer"
within the meaning of Rule 144A under the Securities Act, upon reasonable prior
notice of such transfer by the Depositary or its authorized representative to
the Securities Registrar and delivery to the Securities Registrar of a
Restricted Securities Certificate duly authorized by the Depositary or its
authorized representative. Upon the occurrence of any event specified in clause
(a), (b) or (c) above, the Administrators shall notify the Clearing Agency and
instruct the Clearing Agency to notify all Owners of Book-Entry Capital
Securities, the Delaware Trustee and the Administrators of the occurrence of
such event and of the availability of the Definitive Capital Securities
Certificates to Owners of such class or classes, as applicable, requesting the
same.

          (c) If any Book-Entry Capital Securities Certificate is to be
exchanged for other Capital Securities Certificates or cancelled in part, or if
any other Capital Securities Certificate is to be exchanged in whole or in part
for Book-Entry Capital Securities represented by a Book-Entry Capital Securities
Certificate, then either (i) such Book-Entry Capital Securities Certificate
shall be so surrendered for exchange or cancellation as provided in this Article
Five or (ii) the aggregate Liquidation Amount represented by such Book-Entry
Capital Securities Certificate shall be reduced, 

                                       24
<PAGE>
 
subject to Section 5.2, or increased by an amount equal to the Liquidation
Amount represented by that portion of the Book-Entry Capital Securities
Certificate to be so exchanged or cancelled, or equal to the Liquidation Amount
represented by such other Capital Securities Certificates to be so exchanged for
Book-Entry Capital Securities represented thereby, as the case may be, by means
of an appropriate adjustment made on the records of the Securities Registrar,
whereupon the Property Trustee, in accordance with the Applicable Procedures,
shall instruct the Clearing Agency or its authorized representative to make a
corresponding adjustment to its records. Upon surrender to the Administrators or
the Securities Registrar of the Book-Entry Capital Securities Certificate or
Certificates by the Clearing Agency, accompanied by registration instructions,
the Administrators, or any one of them, shall execute the Definitive Capital
Securities Certificates in accordance with the instructions of the Clearing
Agency. None of the Securities Registrar, the Issuer Trustees or the
Administrators shall be liable for any delay in delivery of such instructions
and may conclusively rely on, and shall be protected in relying on, such
instructions. Upon the issuance of Definitive Capital Securities Certificates,
the Issuer Trustees and Administrators shall recognize the Holders of the
Definitive Capital Securities Certificates as Holders. The Definitive Capital
Securities Certificates shall be printed, lithographed or engraved or may be
produced in any other manner as is reasonably acceptable to the Administrators,
as evidenced by the execution thereof by the Administrators or any one of them.

          (d) Every Capital Securities Certificate executed and delivered upon
registration of transfer of, or in exchange for or in lieu of, a Book-Entry
Capital Securities Certificate or any portion thereof, whether pursuant to this
Article V or Article IV or otherwise, shall be executed and delivered in the
form of, and shall be, a Book-Entry Capital Securities Certificate, unless such
Capital Securities Certificate is registered in the name of a Person other than
the Clearing Agency for such Book-Entry Capital Securities Certificate or a
nominee thereof.

          (e) The Clearing Agency or its nominee, as registered owner of a Book-
Entry Capital Securities Certificate, shall be the Holder of such Book-Entry
Capital Securities Certificate for all purposes under this Agreement and the
Book-Entry Capital Securities Certificate, and Owners with respect to a Book-
Entry Capital Securities Certificate shall hold such interests pursuant to the
Applicable Procedures. The Securities Registrar, the Administrators and the
Issuer Trustees shall be entitled to deal with the Clearing Agency for all
purposes of this Trust Agreement relating to the Book-Entry Capital Securities
Certificates (including the payment of the Liquidation Amount of and
Distributions on the Book-Entry Capital Securities represented thereby and the
giving of instructions or directions by Owners of Book-Entry Capital Securities
represented thereby) as the sole Holder of the Book-Entry Capital Securities
represented thereby and shall have no obligations to the Owners thereof. None of
the Property Trustee, the Administrators nor the Securities Registrar shall have
any liability in respect of any transfers effected by the Clearing Agency.

          The rights of the Owners of the Book-Entry Capital Securities shall be
exercised only through the Clearing Agency and shall be limited to those
established by law, the Applicable Procedures and agreements between such Owners
and the Clearing Agency and/or the Clearing Agency Participants. Pursuant to the
Certificate Depository Agreement, unless and until Definitive Capital Securities

                                       25
<PAGE>
 
Certificates are issued pursuant to Section 5.4(b), the initial Clearing Agency
will make book-entry transfers among the Clearing Agency Participants and
receive and transmit payments on the Capital Securities to such Clearing Agency
Participants, and none of the Depositor, the Administrators or the Issuer
Trustees shall have any responsibility or obligation with respect thereto;
provided, that solely for the purposes of determining whether the Holders of the
requisite amount of Capital Securities shave voted on any matter provided for in
this Trust Agreement, so long as Definitive Capital Securities Certificates have
not been issued pursuant to Section 5.4(b), the Issuer Trustees may conclusively
rely on, and shall be protected in relying on, any written instrument (including
a proxy) delivered to the Issuer Trustees by the Clearing Agency setting forth
the Owners' votes or assigning the right to vote on any matter to any other
Persons either in whole or in part.

          Section 5.5      Registration of Transfer and Exchange of Capital
Securities Certificates; Restricted Capital Securities Legends.

          (a) The Property Trustee shall keep or cause to be kept, at the office
or agency maintained pursuant to Section 5.9, a register or registers for the
purpose of registering Trust Securities Certificates and transfers and exchanges
of Trust Securities Certificates (the "Securities Register") in which the
registrar and transfer agent with respect to the Trust Securities (the
"Securities Registrar"), subject to such reasonable regulations as it may
prescribe, shall provide for the registration of Capital Securities Certificates
and Common Securities Certificates (subject to Section 5.11 in the case of the
Common Securities Certificates) and registration of transfers and exchanges of
Capital Securities Certificates as herein provided. The Person acting as the
Property Trustee shall at all times also be the Securities Registrar.

          Upon surrender for registration of transfer of any Capital Securities
Certificate at the office or agency maintained pursuant to Section 5.9, the
Administrators or any one of them shall execute and deliver to the Property
Trustee, and the Property Trustee shall deliver, in the name of the designated
transferee or transferees, one or more new Capital Securities Certificates in
authorized denominations of a like aggregate Liquidation Amount dated the date
of execution by such Administrator. Any purported transfer prohibited by the
preceding proviso shall be null and void and of no force or effect and the
purported transferee of the affected Capital Securities shall be deemed to have
no interest whatsoever in such Capital Securities.

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

          Every Capital Securities Certificate presented or surrendered for
registration of transfer or exchange shall be accompanied by a written
instrument of transfer in form satisfactory to the Securities Registrar duly
executed by the Holder or its attorney duly authorized in writing. Each 

                                       26
<PAGE>
 
Capital Securities Certificate surrendered for registration of transfer or
exchange shall be cancelled and subsequently disposed of by the Property Trustee
in accordance with such Person's customary practice.

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

          (b) Notwithstanding any other provision of this Agreement, transfers
and exchanges of Capital Securities Certificates and beneficial interests in a
Book-Entry Capital Securities Certificate of the kinds specified in this Section
5.5(b) shall be made only in accordance with this Section 5.5(b).

          (i) Non-Book-Entry Capital Securities Certificate to Book-Entry
              -----------------------------------------------------------
     Capital Securities Certificate. If the Holder of a Capital Securities
     ------------------------------                                       
     Certificate (other than a Book-Entry Capital Securities Certificate) wishes
     at any time to transfer all or any portion of such Capital Securities
     Certificate to a Person who wishes to take delivery thereof in the form of
     a beneficial interest in a Book-Entry Capital Securities Certificate, such
     transfer may be effected only in accordance with the provisions of this
     Clause (b)(i) and subject to the Applicable Procedures. Upon receipt by the
     Securities Registrar of (A) such Capital Securities Certificate as provided
     in Section 5.5(a) and instructions satisfactory to the Securities Registrar
     directing that a beneficial interest in the Book-Entry Capital Securities
     Certificate of a specified number of Capital Securities not greater than
     the number of Capital Securities represented by such Capital Securities
     Certificate be credited to a specified Clearing Agency Participant's
     account and (B) a Restricted Securities Certificate duly executed by such
     Holder or his attorney duly authorized in writing, then the Securities
     Registrar shall cancel such Capital Securities Certificate (and issue a new
     Capital Securities Certificate in respect of any untransferred portion
     thereof) as provided in Section 5.5(a) and increase the aggregate
     Liquidation Amount of the Book-Entry Capital Securities Certificate by the
     Liquidation Amount represented by such Capital Securities so transferred as
     provided in Section 5.4(c).

          (ii) Non-Book-Entry Capital Securities Certificate to Non-Book-Entry
               ---------------------------------------------------------------
     Capital Securities Certificate. A Capital Securities Certificate that is
     ------------------------------                                          
     not a Book-Entry Capital Securities Certificate may be transferred, in
     whole or in part, to a Person who takes delivery in the form of another
     Capital Securities Certificate that is not a Book-Entry Capital Securities
     Certificate as provided in Section 5.5(a), provided that if the Capital
                                                --------                    
     Securities Certificate evidences Restricted Securities Certificate, then
     the Securities Registrar shall have received a Restricted Securities
     Certificate duly executed by the transferor Holder or his attorney duly
     authorized in writing in which case the transferee Holder shall take
     delivery in the form of a Restricted Capital Securities Certificate
     (subject to Section 5.5(c)).

                                       27
<PAGE>
 
          (iii) Exchanges between Book-Entry Capital Securities Certificate and
                ---------------------------------------------------------------
     Non-Book-Entry Capital Securities Certificate. A beneficial interest in a
     ---------------------------------------------                            
     Book-Entry Capital Securities Certificate may be exchanged for a Capital
     Securities Certificate that is not a Book-Entry Capital Securities
     Certificate as provided in Section 5.4, provided that such interest shall
                                             --------                         
     be exchanged for a Restricted Capital Securities Certificate (subject in
     each case to Section 5.5(c)).

          (iv) Certain Initial Transfers of Non-Book-Entry Capital Securities
               --------------------------------------------------------------
     Certificates. In the case of Capital Securities Certificates initially
     ------------                                                          
     issued other than in global form, an initial transfer or exchange of such
     Capital Securities Certificates that does not involve any change in
     beneficial ownership may be made to an Institutional Accredited Investor or
     Investors as if such transfer or exchange were not an initial transfer or
     exchange, provided that written certification shall be provided by the
     transferor and transferee of such Securities to the Securities Registrar
     that such transfer or exchange does not involve a change in beneficial
     ownership.

          (c) Restricted Capital Securities Legend. Certificates evidencing Rule
              ------------------------------------                              
144A Capital Securities, Other Capital Securities and their respective Successor
Capital Securities shall bear a Restricted Capital Securities Legend, subject to
the following:

          (i) subject to the following Clauses of this Section 5.5(c), a Capital
     Securities Certificate or any portion thereof that is exchanged, upon
     transfer or otherwise, for a Book-Entry Capital Securities Certificate or
     any portion thereof shall bear a Restricted Capital Securities Legend;

          (ii) subject to the following Clauses of this Section 5.5(c), a new
     Capital Securities Certificate that is not a Book-Entry Capital Securities
     Certificate and is issued in exchange for another Capital Securities
     Certificate (including a Book-Entry Capital Securities Certificate) or any
     portion thereof, upon transfer or otherwise, shall, bear a Restricted
     Capital Securities Legend;

          (iii) a new Capital Securities Certificate that does not bear a
     Restricted Capital Securities Legend may be issued in exchange for or in
     lieu of a Capital Securities Certificate (other than a Book-Entry Capital
     Securities Certificate) or any portion thereof that bears such a legend if,
     in the Depositor's judgment, placing such a legend upon such new Capital
     Securities Certificate is not necessary to ensure compliance with the
     registration requirements of the Securities Act, and the Administrators, at
     the direction of the Depositor, shall execute and deliver such a new
     Capital Securities Certificate as provided in this Article V; and

          (iv) notwithstanding the foregoing provisions of this Section 5.5(c),
     a Successor Capital Securities Certificate of a Capital Securities
     Certificate that does not bear a Restricted Capital Securities Legend shall
     not bear such form of legend unless the Depositor 

                                       28
<PAGE>
 
     has reasonable cause to believe that such Successor Capital Securities
     Certificate is a "restricted security" within the meaning of Rule 144 under
     the Securities Act, in which case the Administrators, at the direction of
     the Depositor, shall execute and deliver a new Capital Securities
     Certificate bearing a Restricted Capital Securities Legend in exchange for
     such Successor Capital Securities Certificate as provided in this Article
     Five.

          (d) Before registering for transfer or exchange any Capital Securities
Certificates issued in certificated fully registered form as provided in
Sections 5.2, 5.4 or 5.5 of the Trust Agreement, the Property Trustee as
Securities Registrar may require an Opinion of Counsel or other evidence
satisfactory to it (which may include a certificate from such purchaser or
Holder) that such purchaser or Holder is eligible for the exemptive relief
available under U.S. Department of Labor Prohibited Transaction Class Exemption
("PTCE") 96-23, 95-60, 91-38, 90-1 or 84-14 or another applicable exemption with
respect to such purchase or holding and, in the case of any purchaser or Holder
relying on any exemption other than PTCE 96-23, 95-60, 91-38, 90-1 or 84-14, an
opinion of counsel or other evidence satisfactory to the Property Trustee with
respect to the availability of such exemption.  Any purchaser or Holder of any
Capital Securities or any interest therein will be deemed to have represented by
its purchase and holding thereof that it either (i) is not a Plan or a Plan
Asset Entity and is not purchasing such Capital Securities on behalf of or with
"plan assets" of any Plan, or (ii) is eligible for the exemptive relief
available under PTCE 96-23, 95-60, 91-38, 90-1 or 84-14 or another applicable
exemption with respect to such purchase or holding.

           Section 5.6     Mutilated, Destroyed, Lost or Stolen Trust Securities
Certificates.

          If (a) any mutilated Trust Securities Certificate shall be surrendered
to the Securities Registrar, or if the Securities Registrar shall receive
evidence to its satisfaction of the destruction, loss or theft of any Trust
Securities Certificate, and (b) there shall be delivered to the Securities
Registrar and the Administrators such security or indemnity as may be required
by them to save each of them harmless, then in the absence of notice that such
Trust Securities Certificate shall have been acquired by a bona fide purchaser,
the Administrators, or any one of them, on behalf of the Issuer Trust shall
execute and make available for delivery, in exchange for or in lieu of any such
mutilated, destroyed, lost or stolen Trust Securities Certificate, a new Trust
Securities Certificate of like class, tenor and denomination. In connection with
the issuance of any new Trust Securities Certificate under this Section 5.6, the
Administrators or the Securities Registrar may require the payment of a sum
sufficient to cover any tax or other governmental charge that may be imposed in
connection therewith. Any duplicate Trust Securities Certificate issued pursuant
to this Section shall constitute conclusive evidence of an undivided beneficial
interest in the assets of the Issuer Trust corresponding to that evidenced by
the lost, stolen or destroyed Trust Securities Certificate, as if originally
issued, whether or not the lost, stolen or destroyed Trust Securities
Certificate shall be found at any time.

                                       29
<PAGE>
 
           Section 5.7     Persons Deemed Holders.

          The Issuer Trustees, the Administrators and the Securities Registrar
shall each treat the Person in whose name any Trust Securities Certificate shall
be registered in the Securities Register as the owner of such Trust Securities
Certificate for the purpose of receiving Distributions and for all other
purposes whatsoever, and none of the Issuer Trustees, the Administrators and the
Securities Registrar shall be bound by any notice to the contrary.

           Section 5.8     Access to List of Holders' Names and Addresses.

          Each Holder and each Owner shall be deemed to have agreed not to hold
the Depositor, the Property Trustee, the Delaware Trustee or the Administrators
accountable by reason of the disclosure of its name and address, regardless of
the source from which such information was derived.

           Section 5.9     Maintenance of Office or Agency.

          The Property Trustee shall designate, with the consent of the
Administrators, which consent shall not be unreasonably withheld, an office or
offices or agency or agencies where Capital Securities Certificates may be
surrendered for registration of transfer or exchange and where notices and
demands to or upon the Issuer Trustees in respect of the Trust Securities
Certificates may be served. The Property Trustee initially designates The First
National Bank of Chicago, One First National Plaza, Suite 0126, Chicago,
Illinois 60670, Attention: Corporate Trust Administration, as its office and
agency for such purposes. The Property Trustee shall give prompt written notice
to the Depositor, the Administrators and to the Holders of any change in the
location of the Securities Register or any such office or agency.

           Section 5.10     Appointment of Paying Agent.

          The Paying Agent shall make Distributions to Holders from the Payment
Account and shall report the amounts of such Distributions to the Property
Trustee and the Administrators. Any Paying Agent shall have the revocable power
to withdraw funds from the Payment Account solely for the purpose of making the
Distributions referred to above. The Property Trustee may revoke such power and
remove the Paying Agent in its sole discretion. The Paying Agent shall initially
be the Bank. Any Person acting as Paying Agent shall be permitted to resign as
Paying Agent upon 30 days' written notice to the Administrators and the Property
Trustee. If the Bank shall no longer be the Paying Agent or a successor Paying
Agent shall resign or its authority to act be revoked, the Property Trustee
shall appoint a successor (which shall be a bank or trust company) that is
reasonably acceptable to the Administrators to act as Paying Agent. Such
successor Paying Agent or any additional Paying Agent shall execute and deliver
to the Issuer Trustees an instrument in which such successor Paying Agent or
additional Paying Agent shall agree with the Issuer Trustees that as Paying
Agent, such successor Paying Agent or additional Paying Agent will hold all
sums, if any, held by it for payment to the Holders in trust for the benefit of
the Holders entitled thereto until such sums shall be paid to such Holders. The
Paying Agent shall return all unclaimed funds to the 

                                       30
<PAGE>
 
Property Trustee and upon removal of a Paying Agent such Paying Agent shall also
return all funds in its possession to the Property Trustee. The provisions of
Sections 8.1, 8.3 and 8.6 herein shall apply to the Bank also in its role as
Paying Agent, for so long as the Bank shall act as Paying Agent and, to the
extent applicable, to any other paying agent appointed hereunder. Any reference
in this Agreement to the Paying Agent shall include any co-paying agent unless
the context requires otherwise.

           Section 5.11    Ownership of Common Securities by Depositor.

          At the Time of Delivery, the Depositor shall acquire, and thereafter
shall retain, beneficial and record ownership of the Common Securities. The
Depositor may not transfer the Common Securities except (i) in connection with a
consolidation or merger of the Depositor into another corporation, or any
conveyance, transfer or lease by the Depositor of its properties and assets
substantially as an entirety to any Person, pursuant to Section 8.1 of the
Indenture, or (ii) to the Depositor or an Affiliate thereof in compliance with
applicable law (including the Securities Act of 1933, as amended, and applicable
state securities and blue sky laws), and in either case only upon an effective
assignment and delegation by the Holder of the Common Securities to its
transferee of all of its rights and obligations under the Expense Agreement. To
the fullest extent permitted by law, any attempted transfer of the Common
Securities other than as set forth in the next proceeding sentence shall be
void. The Administrators shall cause each Common Securities Certificate issued
to the Depositor to contain a legend stating substantially "THIS CERTIFICATE IS
NOT TRANSFERABLE EXCEPT TO THE DEPOSITOR OR AN AFFILIATE OF THE DEPOSITOR IN
COMPLIANCE WITH APPLICABLE LAW AND SECTION 5.11 OF THE TRUST AGREEMENT AND ONLY
IN CONNECTION WITH A SIMULTANEOUS DELEGATION AND ASSIGNMENT OF THE EXPENSE
AGREEMENT REFERRED TO THEREIN."

           Section 5.12    Notices to Clearing Agency.

          To the extent that a notice or other communication to the Holders is
required under this Trust Agreement, for so long as Capital Securities are
represented by a Book-Entry Capital Securities Certificate, the Administrators
and the Issuer Trustee shall give all such notices and communications specified
herein to be given to the Clearing Agency, and shall have no obligations to the
Owners.

           Section 5.13    Rights of Holders; Waivers of Past Defaults.

          (a) The legal title to the Trust Property is vested exclusively in the
Property Trustee (in its capacity as such) in accordance with Section 2.9, and
the Holders shall not have any right or title therein other than the undivided
beneficial interest in the assets of the Issuer Trust conferred by their Trust
Securities and they shall have no right to call for any partition or division of
property, profits or rights of the Issuer Trust except as described below. The
Trust Securities shall be personal property giving only the rights specifically
set forth therein and in this Trust Agreement. The Trust Securities shall have
no preemptive or similar rights and when issued and delivered to Holders against
payment of the purchase price therefor will be fully paid and nonassessable by
the Issuer 

                                       31
<PAGE>
 
Trust. The Holders of the Trust Securities, in their capacities as such, shall
be entitled to the same limitation of personal liability extended to
stockholders of private corporations for profit organized under the General
Corporation Law of the State of Delaware.

          (b) For so long as any Capital Securities remain Outstanding, if, upon
a Debenture Event of Default, the Debenture Trustee fails or the holders of not
less than 25% in principal amount of the outstanding Debentures fail to declare
the principal of all of the Debentures to be immediately due and payable, the
Holders of at least 25% in Liquidation Amount of the Capital Securities then
Outstanding shall have the right to make such declaration by a notice in writing
to the Property Trustee, the Depositor and the Debenture Trustee.

          At any time after a declaration of acceleration with respect to the
Debentures has been made and before a judgment or decree for payment of the
money due has been obtained by the Debenture Trustee as in the Indenture
provided, if the Property Trustee fails to annul any such declaration and waive
such default, the Holders of at least a Majority in Liquidation Amount of the
Capital Securities, by written notice to the Property Trustee, the Depositor and
the Debenture Trustee, may rescind and annul such declaration and its
consequences if:

          (i) the Depositor has paid or deposited with the Debenture Trustee a
     sum sufficient to pay

               (A) all overdue installments of interest on all of the
          Debentures,

               (B) any accrued Additional Interest on all of the Debentures,

               (C) the principal of (and premium, if any, on) any Debentures
          that have become due otherwise than by such declaration of
          acceleration and interest and Additional Interest thereon at the rate
          borne by the Debentures, and

               (D) all sums paid or advanced by the Debenture Trustee under the
          Indenture and the reasonable compensation, expenses, disbursements and
          advances of the Debenture Trustee and the Property Trustee, their
          agents and counsel; and

          (ii) all Events of Default with respect to the Debentures, other than
     the non-payment of the principal of the Debentures that has become due
     solely by such acceleration, have been cured or waived as provided in
     Section 5.13 of the Indenture.

          The Holders of at least a Majority in Liquidation Amount of the
Capital Securities may, on behalf of the Holders of all the Capital Securities,
waive any past default under the Indenture, except a default in the payment of
principal or interest (unless such default has been cured and a sum sufficient
to pay all matured installments of interest and principal due otherwise than by
acceleration has been deposited with the Debenture Trustee) or a default in
respect of a covenant or provision that under the Indenture cannot be modified
or amended without the consent of the holder of each 

                                       32
<PAGE>
 
outstanding Debenture. No such rescission shall affect any subsequent default or
impair any right consequent thereon.

          Upon receipt by the Property Trustee of written notice declaring such
an acceleration, or rescission and annulment thereof, by Holders of any part of
the Capital Securities a record date shall be established for determining
Holders of Outstanding Capital Securities entitled to join in such notice, which
record date shall be at the close of business on the day the Property Trustee
receives such notice. The Holders on such record date, or their duly designated
proxies, and only such Persons, shall be entitled to join in such notice,
whether or not such Holders remain Holders after such record date; provided,
that, unless such declaration of acceleration, or rescission and annulment, as
the case may be, shall have become effective by virtue of the requisite
percentage having joined in such notice prior to the day that is 90 days after
such record date, such notice of declaration of acceleration, or rescission and
annulment, as the case may be, shall automatically and without further action by
any Holder be canceled and of no further effect. Nothing in this paragraph shall
prevent a Holder, or a proxy of a Holder, from giving, after expiration of such
90-day period, a new written notice of declaration of acceleration, or
rescission and annulment thereof, as the case may be, that is identical to a
written notice that has been canceled pursuant to the proviso to the preceding
sentence, in which event a new record date shall be established pursuant to the
provisions of this Section 5.13(b).

          (c) For so long as any Capital Securities remain Outstanding, to the
fullest extent permitted by law and subject to the terms of this Trust Agreement
and the Indenture, upon a Debenture Event of Default specified in Section 5.1(1)
or 5.1(2) of the Indenture, any Holder of Capital Securities shall have the
right to institute a proceeding directly against the Depositor, pursuant to
Section 5.8 of the Indenture, for enforcement of payment to such Holder of any
amounts payable in respect of Debentures having an aggregate principal amount
equal to the aggregate Liquidation Amount of the Capital Securities of such
Holder (a "Direct Action"). Except as set forth in Section 5.13(b) and this
Section 5.13(c), the Holders of Capital Securities shall have no right to
exercise directly any right or remedy available to the holders of, or in respect
of, the Debentures.

          (d) Except as otherwise provided in paragraphs (a), (b) and (c) of
this Section 5.13, the Holders of at least a Majority in Liquidation Amount of
the Capital Securities may, on behalf of the Holders of all the Capital
Securities, waive any past default or Event of Default and its consequences.
Upon such waiver, any such default or Event of Default shall cease to exist, and
any default or Event of Default arising therefrom shall be deemed to have been
cured, for every purpose of this Trust Agreement, but no such waiver shall
extend to any subsequent or other default or Event of Default or impair any
right consequent thereon.

                                       33
<PAGE>
 
                                  ARTICLE VI.

                       Acts of Holders; Meetings; Voting

           Section 6.1     Limitations on Voting Rights.

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

          (b) So long as any Debentures are held by the Property Trustee on
behalf of the Issuer Trust, the Property Trustee shall not (i) direct the time,
method and place of conducting any proceeding for any remedy available to the
Debenture Trustee, or execute any trust or power conferred on the Debenture
Trustee with respect to the Debentures, (ii) waive any past default that may be
waived under Section 5.13 of the Indenture, (iii) exercise any right to rescind
or annul a declaration that the principal of all the Debentures shall be due and
payable, or (iv) consent to any amendment, modification or termination of the
Indenture or the Debentures, where such consent shall be required, without, in
each case, obtaining the prior approval of the Holders of at least a Majority in
Liquidation Amount of the Capital Securities, provided, however, that where a
consent under the Indenture would require the consent of each Holder of
Debentures affected thereby, no such consent shall be given by the Property
Trustee without the prior written consent of each Holder of Capital Securities.
The Property Trustee shall not revoke any action previously authorized or
approved by a vote of the Holders of the Capital Securities, except by a
subsequent vote of the Holders of the Capital Securities. The Property Trustee
shall notify all Holders of the Capital Securities of any notice of default
received with respect to the Debentures. In addition to obtaining the foregoing
approvals of the Holders of the Capital Securities, prior to taking any of the
foregoing actions, the Issuer Trustees shall, at the expense of the Depositor,
obtain an Opinion of Counsel experienced in such matters to the effect that such
action shall not cause the Issuer Trust to be taxable as a corporation or
classified as other than a grantor trust for United States Federal income tax
purposes.

          (c) If any proposed amendment to the Trust Agreement provides for, or
the Issuer Trustees otherwise propose to effect, (i) any action that would
adversely affect in any material respect the powers, preferences or special
rights of the Capital Securities, whether by way of amendment to the Trust
Agreement or otherwise, or (ii) the dissolution and winding-up of the Issuer
Trust, other than pursuant to the terms of this Trust Agreement, then the
Holders of Outstanding Capital Securities as a class will be entitled to vote on
such amendment or proposal and such amendment or proposal shall not be effective
except with the approval of the Holders of at least a Majority in Liquidation
Amount of the Capital Securities. Notwithstanding any other provision of this
Trust Agreement, no amendment to this Trust Agreement may be made if, as a
result of such amendment, it would cause 

                                       34
<PAGE>
 
the Issuer Trust to be taxable as a corporation or classified as other than a
grantor trust for United States Federal income tax purposes.

           Section 6.2     Notice of Meetings.

          Notice of all meetings of the Holders of the Capital Securities,
stating the time, place and purpose of the meeting, shall be given by the
Property Trustee pursuant to Section 10.8 to each Holder of Capital Securities,
at such Holder's registered address, at least 15 days and not more than 90 days
before the meeting. At any such meeting, any business properly before the
meeting may be so considered whether or not stated in the notice of the meeting.
Any adjourned meeting may be held as adjourned without further notice.

           Section 6.3     Meetings of Holders of the Capital Securities.

          No annual meeting of Holders is required to be held. The Property
Trustee, however, shall call a meeting of the Holders of the Capital Securities
to vote on any matter upon the written request of the Holders of at least 25% in
aggregate Liquidation Amount of the Outstanding Capital Securities and the
Administrators or the Property Trustee may, at any time in their discretion,
call a meeting of the Holders of the Capital Securities to vote on any matters
as to which such Holders are entitled to vote.

          The Holders of at least a Majority in Liquidation Amount of the
Capital Securities, present in person or by proxy, shall constitute a quorum at
any meeting of the Holders of the Capital Securities.

          If a quorum is present at a meeting, an affirmative vote by the
Holders present, in person or by proxy, holding Capital Securities representing
at least a Majority in aggregate Liquidation Amount of the Capital Securities
held by the Holders present, either in person or by proxy, at such meeting shall
constitute the action of the Holders of the Capital Securities, unless this
Trust Agreement requires a greater number of affirmative votes.

           Section 6.4     Voting Rights.

          Holders shall be entitled to one vote for each $1,000 of Liquidation
Amount represented by their Outstanding Trust Securities in respect of any
matter as to which such Holders are entitled to vote.

           Section 6.5     Proxies, etc.

          At any meeting of Holders, any Holder entitled to vote thereat may
vote by proxy, provided that no proxy shall be voted at any meeting unless it
shall have been placed on file with the Property Trustee, or with such other
officer or agent of the Issuer Trust as the Property Trustee may direct, for
verification prior to the time at which such vote shall be taken. Pursuant to a
resolution of the 

                                       35
<PAGE>
 
Property Trustee, proxies may be solicited in the name of the Property Trustee
or one or more officers of the Property Trustee. Only Holders of record shall be
entitled to vote. When Trust Securities are held jointly by several persons, any
one of them may vote at any meeting in person or by proxy in respect of such
Trust Securities, but if more than one of them shall be present at such meeting
in person or by proxy, and such joint owners or their proxies so present
disagree as to any vote to be cast, such vote shall not be received in respect
of such Trust Securities. A proxy purporting to be executed by or on behalf of a
Holder shall be deemed valid unless challenged at or prior to its exercise, and
the burden of proving invalidity shall rest on the challenger. No proxy shall be
valid more than three years after its date of execution.

           Section 6.6     Holder Action by Written Consent.

          Any action that may be taken by Holders at a meeting may be taken
without a meeting if Holders holding at least a Majority in Liquidation Amount
of all Capital Securities entitled to vote in respect of such action (or such
larger proportion thereof as shall be required by any other provision of this
Trust Agreement) shall consent to the action in writing.

           Section 6.7     Record Date for Voting and Other Purposes.

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

           Section 6.8     Acts of Holders.

          Any request, demand, authorization, direction, notice, consent, waiver
or other action provided or permitted by this Trust Agreement to be given, made
or taken by Holders may be embodied in and evidenced by one or more instruments
of substantially similar tenor signed by such Holders in person or by an agent
duly appointed in writing; and, except as otherwise expressly provided herein,
such action shall become effective when such instrument or instruments are
delivered to the Property Trustee. 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 Trust Agreement and (subject to Section
8.1) conclusive in favor of the Issuer Trustees and the Administrators, if made
in the manner provided in this Section.

          The fact and date of the execution by any Person of any such
instrument or writing may be proved by the affidavit of a witness of such
execution or by a certificate of a notary public or other 

                                       36
<PAGE>
 
officer authorized by law to take acknowledgments of deeds, certifying that the
individual signing such instrument or writing acknowledged to him the execution
thereof. Where such execution is by a signer acting in a capacity other than his
individual capacity, such certificate or affidavit shall also constitute
sufficient proof of his authority. The fact and date of the execution of any
such instrument or writing, or the authority of the Person executing the same,
may also be proved in any other manner that any Issuer Trustee or Administrator
receiving the same deems sufficient.

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

          Any request, demand, authorization, direction, notice, consent, waiver
or other Act of the Holder of any Trust Security shall bind every future Holder
of the same Trust Security and the Holder of every Trust Security issued upon
the registration of transfer thereof or in exchange therefor or in lieu thereof
in respect of anything done, omitted or suffered to be done by the Issuer
Trustees, the Administrators or the Issuer Trust in reliance thereon, whether or
not notation of such action is made upon such Trust Security.

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

          If any dispute shall arise among the Holders, the Administrators or
the Issuer Trustees with respect to the authenticity, validity or binding nature
of any request, demand, authorization, direction, consent, waiver or other Act
of such Holder or Issuer Trustee under this Article VI, then the determination
of such matter by the Property Trustee shall be conclusive with respect to such
matter.

          A Holder may institute a legal proceeding directly against the
Depositor under the Guarantee Agreement to enforce its rights under the
Guarantee Agreement without first instituting a legal proceeding against the
Guarantee Trustee (as defined in the Guarantee Agreement), the Issuer Trust, any
Issuer Trustee, any Administrator or any person or entity.

           Section 6.9     Inspection of Records.

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

                                       37
<PAGE>
 
                                  ARTICLE VII

                         Representations and Warranties

           Section 7.1     Representations and Warranties of the Property
Trustee and the Delaware Trustee.

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

          (a) the Property Trustee is a national banking association, duly
organized, validly existing and in good standing under the laws of the United
States;

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

          (c) the Delaware Trustee is a Delaware corporation;

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

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

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

                                       38
<PAGE>
 
          (g) neither the authorization, execution or delivery by the Property
Trustee or the Delaware Trustee of this Trust Agreement nor the consummation of
any of the transactions by the Property Trustee or the Delaware Trustee (as
appropriate in context) contemplated herein requires the consent or approval of,
the giving of notice to, the registration with or the taking of any other action
with respect to any governmental authority or agency under any existing law of
the United States or the State of Delaware governing the banking, trust or
general powers of the Property Trustee or the Delaware Trustee (as appropriate
in context); and

          (h) there are no proceedings pending or, to the best of each of the
Property Trustee's and the Delaware Trustee's knowledge, threatened against or
affecting the Property Trustee or the Delaware Trustee in any court or before
any governmental authority, agency or arbitration board or tribunal that,
individually or in the aggregate, would materially and adversely affect the
Issuer Trust or would question the right, power and authority of the Property
Trustee or the Delaware Trustee, as the case may be, to enter into or perform
its obligations as one of the Trustees under this Trust Agreement.

           Section 7.2     Representations and Warranties of Depositor.

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

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

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


                                  ARTICLE VII

                    The Issuer Trustees; The Administrators

           Section 8.1.    Certain Duties and Responsibilities.

          (a) The duties and responsibilities of the Issuer Trustees and the
Administrators shall be as provided by this Trust Agreement subject to Section
10.10 hereof. Notwithstanding the foregoing, but subject to Section 8.1(c), no
provision of this Trust Agreement shall require any of the Issuer Trustees or
Administrators to expend or risk its or their own funds or otherwise incur any
financial liability in the performance of any of its or their duties hereunder,
or in the exercise of any of its or their rights or powers, if it or they shall
have reasonable grounds for believing that repayment of such 

                                       39
<PAGE>
 
funds or adequate indemnity against such risk or liability is not reasonably
assured to it. Whether or not therein expressly so provided, every provision of
this Trust Agreement relating to the conduct or affecting the liability of or
affording protection to the Issuer Trustees or the Administrators shall be
subject to the provisions of this Section 8.1. Nothing in this Trust Agreement
shall be construed to release an Administrator from liability for his or her own
negligent action, its own negligent failure to act, or his or her own willful
misconduct. To the extent that, at law or in equity, an Issuer Trustee or
Administrator has duties and liabilities relating to the Issuer Trust or to the
Holders, such Issuer Trustee or Administrator shall not be liable to the Issuer
Trust or to any Holder for such Issuer Trustee's or Administrator's good faith
reliance on the provisions of this Trust Agreement. The provisions of this Trust
Agreement, to the extent that they restrict the duties and liabilities of the
Issuer Trustees and Administrators otherwise existing at law or in equity, are
agreed by the Depositor and the Holders to replace such other duties and
liabilities of the Issuer Trustees and Administrators.

          (b) All payments made by the Property Trustee or a Paying Agent in
respect of the Trust Securities shall be made only from the revenue and proceeds
from the Trust Property and only to the extent that there shall be sufficient
revenue or proceeds from the Trust Property to enable the Property Trustee or a
Paying Agent to make payments in accordance with the terms hereof. Each Holder,
by its acceptance of a Trust Security, agrees that it will look solely to the
revenue and proceeds from the Trust Property to the extent legally available for
distribution to it as herein provided and that neither the Issuer Trustees nor
the Administrators are personally liable to it for any amount distributable in
respect of any Trust Security or for any other liability in respect of any Trust
Security. This Section 8.1(b) does not limit the liability of the Issuer
Trustees expressly set forth elsewhere in this Trust Agreement or, in the case
of the Property Trustee, in the Trust Indenture Act.

          (c) If an Event of Default has occurred and is continuing, the
Property Trustee shall enforce this Trust Agreement for the benefit of the
Holders.

          (d) The Property Trustee, before the occurrence of any Event of
Default and after the curing of all Events of Default that may have occurred,
shall undertake to perform only such duties as are specifically set forth in
this Trust Agreement (including pursuant to Section 10.10), and no implied
covenants shall be read into this Trust Agreement against the Property Trustee.
If an Event of Default has occurred (that has not been cured or waived pursuant
to Section 5.13, the Property Trustee shall exercise such of the rights and
powers vested in it by this Trust Agreement, and use the same degree of care and
skill in its exercise thereof, as a prudent person would exercise or use under
the circumstances in the conduct of his or her own affairs.

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

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

                                       40
<PAGE>
 
               (A) the duties and obligations of the Property Trustee shall be
          determined solely by the express provisions of this Trust Agreement
          (including pursuant to Section 10.10), and the Property Trustee shall
          not be liable except for the performance of such duties and
          obligations as are specifically set forth in this Trust Agreement
          (including pursuant to Section 10.10); and

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

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

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

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

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

          (vi) the Property Trustee shall not be responsible for monitoring the
     compliance by the Administrators or the Depositor with their respective
     duties under this Trust Agreement, nor shall the Property Trustee be liable
     for the default or misconduct of any other Issuer Trustee, the
     Administrators or the Depositor; and

                                       41
<PAGE>
 
          (vii) Subject to Section 8.1(c), no provision of this Trust Agreement
     shall require the Property Trustee to expend or risk its own funds or
     otherwise incur personal financial liability in the performance of any of
     its duties or in the exercise of any of its rights or powers, if the
     Property Trustee shall have reasonable grounds for believing that the
     repayment of such funds or liability is not reasonably assured to it under
     the terms of this Trust Agreement or adequate indemnity against such risk
     or liability is not reasonably assured to it.

          (f) The Administrators shall not be responsible for monitoring the
compliance by the Issuer Trustees or the Depositor with their respective duties
under this Trust Agreement, nor shall either Administrator be liable for the
default or misconduct of any other Administrator, the Issuer Trustees or the
Depositor.

           Section 8.2.    Certain Notices.

          Within five Business Days after the occurrence of any Event of Default
actually known to the Property Trustee, the Property Trustee shall transmit, in
the manner and to the extent provided in Section 10.8, notice of such Event of
Default to the Holders and the Administrators, unless such Event of Default
shall have been cured or waived.

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

          The Property Trustee shall not be deemed to have knowledge of any
Event of Default unless the Property Trustee shall have received written notice
or a Responsible Officer of the Property Trustee charged with the administration
of this Trust Agreement shall have obtained actual knowledge of such Event of
Default.

           Section 8.3.    Certain Rights of Property Trustee.

          Subject to the provisions of Section 8.1:

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

          (b) if (i) in performing its duties under this Trust Agreement the
Property Trustee is required to decide between alternative courses of action,
(ii) in construing any of the provisions of this Trust 

                                       42
<PAGE>
 
Agreement the Property Trustee finds the same ambiguous or inconsistent with any
other provisions contained herein, or (iii) the Property Trustee is unsure of
the application of any provision of this Trust Agreement, then, except as to any
matter as to which the Holders of the Capital Securities are entitled to vote
under the terms of this Trust Agreement, the Property Trustee shall deliver a
notice to the Depositor requesting the Depositor's opinion as to the course of
action to be taken and the Property Trustee shall take such action, or refrain
from taking such action, as the Property Trustee shall deem advisable and in the
best interests of the Holders, in which event the Property Trustee shall have no
liability except for its own bad faith, negligence or willful misconduct;

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

          (d) any direction or act of an Administrator contemplated by this
Trust Agreement shall be sufficiently evidenced by a certificate executed by
such Administrator and setting forth such direction or act;

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

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

          (g) the Property Trustee shall be under no obligation to exercise any
of the rights or powers vested in it by this Trust Agreement at the request or
direction of any of the Holders pursuant to this Trust Agreement, unless such
Holders shall have offered to the Property Trustee reasonable security or
indemnity against the costs, expenses and liabilities that might be incurred by
it in compliance with such request or direction; provided that, nothing
contained in this Section 8.3(g) shall be taken to relieve the Property Trustee,
upon the occurrence of an Event of Default, of its obligation to exercise the
rights and powers vested in it by this Trust Agreement;

          (h) the Property Trustee shall not be bound to make any investigation
into the facts or matters stated in any resolution, certificate, statement,
instrument, opinion, report, notice, request, consent, order, approval, bond,
debenture, note or other evidence of indebtedness or other paper or document,
unless requested in writing to do so by one or more Holders, but the Property
Trustee may make such further inquiry or investigation into such facts or
matters as it may see fit;

          (i) the Property Trustee may execute any of the trusts or powers
hereunder or perform any duties hereunder either directly or by or through its
agents or attorneys, provided that the Property 

                                       43
<PAGE>
 
Trustee shall be responsible for its own negligence or misconduct with respect
to selection of any agent or attorney appointed by it hereunder;

          (j) whenever in the administration of this Trust Agreement the
Property Trustee shall deem it desirable to receive instructions with respect to
enforcing any remedy or right or taking any other action hereunder, the Property
Trustee (i) may request instructions from the Holders (which instructions may
only be given by the Holders of the same proportion in Liquidation Amount of the
Trust Securities as would be entitled to direct the Property Trustee under the
terms of the Trust Securities in respect of such remedy, right or action), (ii)
may refrain from enforcing such remedy or right or taking such other action
until such instructions are received, and (iii) shall be protected in acting in
accordance with such instructions; and

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

          No provision of this Trust Agreement shall be deemed to impose any
duty or obligation on any Issuer Trustee or Administrator to perform any act or
acts or exercise any right, power, duty or obligation conferred or imposed on
it, in any jurisdiction in which it shall be illegal, or in which such Person
shall be unqualified or incompetent in accordance with applicable law, to
perform any such act or acts, or to exercise any such right, power, duty or
obligation. No permissive power or authority available to any Issuer Trustee or
Administrator shall be construed to be a duty.

           Section 8.4.    Not Responsible for Recitals or Issuance of
Securities.

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

           Section 8.5.    May Hold Securities.

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

           Section 8.6.    Compensation; Indemnity; Fees.

          The Depositor agrees:

                                       44
<PAGE>
 
          (a) to pay to the Issuer Trustees from time to time such reasonable
compensation for all services rendered by them hereunder as may be agreed by the
Depositor and the Issuer Trustees from time to time (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
Issuer Trustees upon request for all reasonable expenses, disbursements and
advances incurred or made by the Issuer Trustees in accordance with any
provision of this Trust Agreement (including the reasonable compensation and the
expenses and disbursements of their agents and counsel), except any such
expense, disbursement or advance as may be attributable to their negligence, bad
faith or wilful misconduct; and

          (c) to the fullest extent permitted by applicable law, to indemnify
and hold harmless (i) each Issuer Trustee, (ii) each Administrator, (iii) any
Affiliate of any Issuer Trustee, (iv) any officer, director, shareholder,
employee, representative or agent of any Issuer Trustee, and (v) any employee or
agent of the Issuer Trust (referred to herein as an "Indemnified Person") from
and against any loss, damage, liability, tax, penalty, expense or claim of any
kind or nature whatsoever incurred by such Indemnified Person by reason of the
creation, operation or dissolution of the Issuer Trust or any act or omission
performed or omitted by such Indemnified Person in good faith on behalf of the
Issuer Trust and in a manner such Indemnified Person reasonably believed to be
within the scope of authority conferred on such Indemnified Person by this Trust
Agreement, except that no Indemnified Person shall be entitled to be indemnified
in respect of any loss, damage or claim incurred by such Indemnified Person by
reason of negligence, bad faith or wilful misconduct with respect to such acts
or omissions.

          The provisions of this Section 8.6 shall survive the termination of
this Trust Agreement and the removal or resignation of any Issuer Trustee or
Administrator, as the case may be.

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

          The Depositor, any Administrator and any Issuer Trustee may engage in
or possess an interest in other business ventures of any nature or description,
independently or with others, similar or dissimilar to the business of the
Issuer Trust, and the Issuer Trust and the Holders of Trust Securities shall
have no rights by virtue of this Trust Agreement in and to such independent
ventures or the income or profits derived therefrom, and the pursuit of any such
venture, even if competitive with the business of the Issuer Trust, shall not be
deemed wrongful or improper. Neither the Depositor, any Administrator nor any
Issuer Trustee shall be obligated to present any particular investment or other
opportunity to the Issuer Trust even if such opportunity is of a character that,
if presented to the Issuer Trust, could be taken by the Issuer Trust, and the
Depositor, any Administrator or any Issuer Trustee shall have the right to take
for its own account (individually or as a partner or fiduciary) or to recommend
to others any such particular investment or other opportunity. Any Issuer
Trustee may engage or be interested in any financial or other transaction with
the Depositor or any 

                                       45
<PAGE>
 
Affiliate of the Depositor, or may act as depository for, trustee or agent for,
or act on any committee or body of holders of, securities or other obligations
of the Depositor or its Affiliates.

           Section 8.7.    Corporate Property Trustee Required; Eligibility of
Issuer Trustees and Administrators.

          (a) There shall at all times be a Property Trustee hereunder with
respect to the Trust Securities. The Property Trustee shall be a Person that is
a national or state chartered bank and eligible pursuant to the Trust Indenture
Act to act as such and that has a combined capital and surplus of at least
$50,000,000. If any such Person publishes reports of condition at least
annually, pursuant to law or to the requirements of its supervising or examining
authority, then for the purposes of this Section and to the extent permitted by
the Trust Indenture Act, the combined capital and surplus of such Person shall
be deemed to be its combined capital and surplus as set forth in its most recent
report of condition so published. If at any time the Property Trustee with
respect to the Trust Securities shall cease to be eligible in accordance with
the provisions of this Section, it shall resign immediately in the manner and
with the effect hereinafter specified in this Article. At the time of
appointment, the Property Trustee must have securities rated in one of the three
highest rating categories by a nationally recognized statistical rating
organization.

          (b) There shall at all times be one or more Administrators hereunder
with respect to the Trust Securities. Each Administrator shall be either a
natural person who is at least 21 years of age or a legal entity that shall act
through one or more persons authorized to bind that entity.

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

           Section 8.8.    Conflicting Interests.

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

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

                                       46
<PAGE>
 
           Section 8.9.    Co-Trustees and Separate Trustee.

          Unless an Event of Default shall have occurred and be continuing, at
any time or times, for the purpose of meeting the legal requirements of the
Trust Indenture Act or of any jurisdiction in which any part of the Trust
Property may at the time be located, the Property Trustee shall have power to
appoint, and upon the written request of the Property Trustee, the Depositor and
the Administrators shall for such purpose join with the Property Trustee in the
execution, delivery, and performance of all instruments and agreements necessary
or proper to appoint, one or more Persons approved by the Property Trustee
either to act as co-trustee, jointly with the Property Trustee, of all or any
part of such Trust Property, or to the extent required by law to act as separate
trustee of any such property, in either case with such powers as may be provided
in the instrument of appointment, and to vest in such Person or Persons in the
capacity aforesaid, any property, title, right or power deemed necessary or
desirable, subject to the other provisions of this Section. Any co-trustee or
separate trustee appointed pursuant to this Section shall either be (i) a
natural person who is at least 21 years of age and a resident of the United
States, or (ii) a legal entity with its principal place of business in the
United States that shall act through one or more persons authorized to bind such
entity.

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

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

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

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

          (c) The Property Trustee at any time, by an instrument in writing
executed by it, with the written concurrence of the Depositor, may accept the
resignation of or remove any co-trustee or 

                                       47
<PAGE>
 
separate trustee appointed under this Section, and, in case a Debenture Event of
Default has occurred and is continuing, the Property Trustee shall have power to
accept the resignation of, or remove, any such co-trustee or separate trustee
without the concurrence of the Depositor. Upon the written request of the
Property Trustee, the Depositor shall join with the Property Trustee in the
execution, delivery and performance of all instruments and agreements necessary
or proper to effectuate such resignation or removal. A successor to any co-
trustee or separate trustee so resigning or removed may be appointed in the
manner provided in this Section.

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

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

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

           Section 8.10.   Resignation and Removal; Appointment of Successor.

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

          Subject to the immediately preceding paragraph, the Relevant Trustee
may resign at any time by giving written notice thereof to the Holders and by
appointing a successor Relevant Trustee. The Relevant Trustee shall appoint a
successor by requesting from at least three Persons meeting the eligibility
requirements its expenses and charges to serve as the Relevant Trustee on a form
provided by the Administrators, and selecting the Person who agrees to the
lowest expenses and charges. If the instrument of acceptance by the successor
Issuer Trustee required by Section 8.11 shall not have been delivered to the
Relevant Trustee within 60 days after the giving of such notice of resignation,
the Relevant Trustee may petition, at the expense of the, in the case of the
Property Trustee, Depositor, any court of competent jurisdiction for the
appointment of a successor Relevant Trustee.

          The Property Trustee or the Delaware Trustee, or both of them, may be
removed by Act of the Holders of at least a Majority in Liquidation Amount of
the Capital Securities, delivered to the Relevant Trustee (in its individual
capacity and, in the case of the Property Trustee, on behalf of the Issuer
Trust) (i) for cause (including upon the occurrence of an Event of Default
described in subparagraph (d) of the definition thereof with respect to the
Relevant Trustee), or (ii) if a Debenture Event of Default shall have occurred
and be continuing at any time.

          If a resigning Issuer Trustee shall fail to appoint a successor, or if
an Issuer Trustee shall be removed or become incapable of acting as Issuer
Trustee, or if a vacancy shall occur in the office of 

                                       48
<PAGE>
 
any Issuer Trustee for any cause, the Holders of the Capital Securities, by Act
of the Holders of not less than 25% in aggregate Liquidation Amount of the
Capital Securities then Outstanding delivered to such Relevant Trustee, may
appoint a successor Relevant Trustee or Trustees, and such successor Issuer
Trustee shall comply with the applicable requirements of Section 8.11. If no
successor Relevant Trustee shall have been so appointed by the Holders of the
Capital Securities and accepted appointment in the manner required by Section
8.11, any Holder, on behalf of such Holder and all others similarly situated, or
any other Issuer Trustee, may petition any court of competent jurisdiction for
the appointment of a successor Relevant Trustee.

          The Property Trustee shall give notice of each resignation and each
removal of an Issuer Trustee and each appointment of a successor Issuer Trustee
to all Holders in the manner provided in Section 10.8 and shall give notice to
the Depositor and to the Administrators. Each notice shall include the name of
the successor Relevant Trustee and the address of its Corporate Trust Office if
it is the Property Trustee.

          Notwithstanding the foregoing or any other provision of this Trust
Agreement, if any Delaware Trustee who is a natural person dies or becomes, in
the opinion of the Holders of the Common Securities, incompetent or
incapacitated, the vacancy created by such death, incompetence or incapacity may
be filled by the Property Trustee following the procedures regarding expenses
and charges set forth above (with the successor being a Person who satisfies the
eligibility requirement for the Delaware Trustee set forth in Section 8.7).

           Section 8.11.   Acceptance of Appointment by Successor.

          In case of the appointment hereunder of a successor Relevant Trustee,
the retiring Relevant Trustee and each successor Relevant Trustee with respect
to the Trust Securities shall execute and deliver an amendment hereto wherein
each successor Relevant Trustee shall accept such appointment and which (a)
shall contain such provisions as shall be necessary or desirable to transfer and
confirm to, and to vest in, each successor Relevant Trustee all the rights,
powers, trusts and duties of the retiring Relevant Trustee with respect to the
Trust Securities and the Issuer Trust, and (b) shall add to or change any of the
provisions of this Trust Agreement as shall be necessary to provide for or
facilitate the administration of the Issuer Trust by more than one Relevant
Trustee, it being understood that nothing herein or in such amendment shall
constitute such Relevant Trustees co-trustees and upon the execution and
delivery of such amendment the resignation or removal of the retiring Relevant
Trustee shall become effective to the extent provided therein and each such
successor Relevant Trustee, without any further act, deed or conveyance, shall
become vested with all the rights, powers, trusts and duties of the retiring
Relevant Trustee; but, on request of the Issuer Trust or any successor Relevant
Trustee such retiring Relevant Trustee shall duly assign, transfer and deliver
to such successor Relevant Trustee all Trust Property, all proceeds thereof and
money held by such retiring Relevant Trustee hereunder with respect to the Trust
Securities and the Trust.

          Upon request of any such successor Relevant Trustee, the Issuer Trust
shall execute any and all instruments for more fully and certainly vesting in
and confirming to such successor Relevant 

                                       49
<PAGE>
 
Trustee all such rights, powers and trusts referred to in the first or second
preceding paragraph, as the case may be.

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

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

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

           Section 8.13.   Preferential Collection of Claims Against Depositor
or Issuer Trust.

          If and when the Property Trustee shall be or become a creditor of the
Depositor or the Issuer Trust (or any other obligor upon the Capital
Securities), the Property Trustee shall be subject to the provisions of the
Trust Indenture Act regarding the collection of claims against the Depositor or
the Issuer Trust (or any such other obligor).

           Section 8.14.   Trustee May File Proofs of Claim.

          In case of any receivership, insolvency, liquidation, bankruptcy,
reorganization, arrangement, adjustment, composition or other similar judicial
proceeding relative to the Issuer Trust or any other obligor upon the Trust
Securities or the property of the Issuer Trust or of such other obligor or their
creditors, the Property Trustee (irrespective of whether any Distributions on
the Trust Securities shall then be due and payable and irrespective of whether
the Property Trustee shall have made any demand on the Issuer Trust for the
payment of any past due Distributions) shall be entitled and empowered, to the
fullest extent permitted by law, by intervention in such proceeding or
otherwise:

          (a) to file and prove a claim for the whole amount of any
Distributions owing and unpaid in respect of the Trust Securities and to file
such other papers or documents as may be necessary or advisable in order to have
the claims of the Property Trustee (including any claim for the reasonable
compensation, expenses, disbursements and advances of the Property Trustee, its
agents and counsel) and of the Holders allowed in such judicial proceeding, and

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

                                       50
<PAGE>
 
and any custodian, 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 Property Trustee and, in the event the
Property Trustee shall consent to the making of such payments directly to the
Holders, to pay to the Property Trustee any amount due it for the reasonable
compensation, expenses, disbursements and advances of the Property Trustee, its
agents and counsel, and any other amounts due the Property Trustee.

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

           Section 8.15.   Reports by Property Trustee.

          (a) Within 60 days after May 15 of each year commencing with May 15,
1997, the Property Trustee shall transmit to all Holders in accordance with
Section 10.8, and to the Depositor, a brief report dated as of the immediately
preceding May 15 with respect to:

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

          (ii) a statement that the Property Trustee has complied with all of
     its obligations under this Trust Agreement during the twelve-month period
     (or, in the case of the initial report, the period since the Closing Date)
     ending with such May 15 or, if the Property Trustee has not complied in any
     material respect with such obligations, a description of such
     noncompliance; and

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

          (b) In addition the Property Trustee shall transmit to Holders such
reports concerning the Property Trustee and its actions under this Trust
Agreement as may be required pursuant to the Trust Indenture Act at the times
and in the manner provided pursuant thereto.

          (c) A copy of each such report shall, at the time of such transmission
to Holders, be filed by the Property Trustee with the Depositor.

                                       51
<PAGE>
 
           Section 8.16.   Reports to the Property Trustee.

          Each of the Depositor and the Administrators shall provide to the
Property Trustee such documents, reports and information as required by Section
314 of the Trust Indenture Act (if any) and the compliance certificate required
by Section 314(a) of the Trust Indenture Act in the form, in the manner and at
the times required by Section 314 of the Trust Indenture Act. The Depositor and
the Administrators shall annually file with the Property Trustee a certificate
specifying whether such Person is in compliance with all of the terms and
covenants applicable to such Person hereunder.

           Section 8.17.   Evidence of Compliance with Conditions Precedent.

          Each of the Depositor and the Administrators shall provide to the
Property Trustee such evidence of compliance with any conditions precedent, if
any, provided for in this Trust Agreement that relate to any of the matters set
forth in Section 314(c) of the Trust Indenture Act. Any certificate or opinion
required to be given by an officer pursuant to Section 314(c)(1) of the Trust
Indenture Act shall be given in the form of an Officers' Certificate.

           Section 8.18.   Number of Issuer Trustees.

          (a) The number of Issuer Trustees shall be two, unless the Property
Trustee also acts as the Delaware Trustee, in which case the number of Issuer
Trustees may be one.

          (b) If an Issuer Trustee ceases to hold office for any reason, a
vacancy shall occur. The vacancy shall be filled with an Issuer Trustee
appointed in accordance with Section 8.10.

          (c) The death, resignation, retirement, removal, bankruptcy,
incompetence or incapacity to perform the duties of an Issuer Trustee shall not
operate to annul or dissolve the Issuer Trust.

           Section 8.19.   Delegation of Power.

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

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

                                       52
<PAGE>
 
           Section 8.20.   Appointment of Administrators.

          (a) The Administrators shall initially be Romano L. Peluso and James
E. Murphy, and may resign or be may be removed by the Holders of a Majority in
Liquidation Amount of the Common Securities at any time. Upon any resignation or
removal, the Depositor shall appoint a successor Administrator. Each
Administrator shall sign an agreement agreeing to comply with the terms of this
Trust Agreement. If at any time there is no Administrator, the Property Trustee
or any Holder who has been a Holder of Trust Securities for at least six months
may petition any court of competent jurisdiction for the appointment of one or
more Administrators.

          (b) Whenever a vacancy in the number of Administrators shall occur,
until such vacancy is filled by the appointment of an Administrator in
accordance with this Section 8.20, the Administrators in office, regardless of
their number (and not withstanding any other provision of this Agreement), shall
have all the powers granted to the Administrators and shall discharge all the
duties imposed upon the Administrators by this Trust Agreement.

          (c) Notwithstanding the foregoing or any other provision of this Trust
Agreement, if any Administrator who is a natural person dies or becomes, in the
opinion of the Holders of a Majority in Liquidation Amount the Common
Securities, incompetent or incapacitated, the vacancy created by such death,
incompetence or incapacity may be filled by the unanimous acts of the remaining
Administrators, if there were at least two of them prior to such vacancy, and by
the Depositor, if there were not two such Administrators immediately prior to
such vacancy (with the successor being a Person who satisfies the eligibility
requirement for Administrators set forth in Section 8.7).


                                  ARTICLE IX.

                      Dissolution, Liquidation and Merger

           Section 9.1.    Dissolution Upon Expiration Date.

          Unless earlier dissolved, the Issuer Trust shall automatically
dissolve, and its affairs be wound up, on March 15, 2028 (the "Expiration
Date"), following the distribution of the Trust Property in accordance with
Section 9.4.

           Section 9.2.    Early Dissolution.

          The first to occur of any of the following events is an "Early
Dissolution Event":

          (a) the occurrence of a Bankruptcy Event in respect of, or the
dissolution or liquidation of, the Depositor, in its capacity as the Holder of
the Common Securities, unless the Depositor shall transfer the Common Securities
as provided by Section 5.11, in which case this provision shall refer instead to
any such successor Holder of the Common Securities;

                                       53
<PAGE>
 
          (b) the written direction to the Property Trustee from all of the
Holders of the Common Securities at any time to dissolve the Issuer Trust and to
distribute the Debentures to Holders in exchange for the Capital Securities
(which direction is optional and wholly within the discretion of the Holders of
the Common Securities);

          (c) the redemption of all of the Capital Securities in connection with
the redemption of all the Debentures; and

          (d) the entry of an order for dissolution of the Issuer Trust by a
court of competent jurisdiction.

           Section 9.3.    Dissolution.

          The respective obligations and responsibilities of the Issuer
Trustees, the Administrators and the Issuer Trust created and continued hereby
shall terminate upon the latest to occur of the following: (a) the distribution
by the Property Trustee to Holders of all amounts required to be distributed
hereunder upon the liquidation of the Issuer Trust pursuant to Section 9.4, or
upon the redemption of all of the Trust Securities pursuant to Section 4.2; (b)
the payment of any expenses owed by the Issuer Trust; and (c) the discharge of
all administrative duties of the Administrators, including the performance of
any tax reporting obligations with respect to the Issuer Trust or the Holders.

           Section 9.4.    Liquidation.

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

          (i) state the Liquidation Date;

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

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

                                       54
<PAGE>
 
          (b) Except where Section 9.2(c) or 9.4(d) applies, in order to effect
the liquidation of the Issuer Trust and distribution of the Debentures to
Holders, the Property Trustee, either itself acting as exchange agent or through
the appointment of a separate exchange agent, shall establish a record date for
such distribution (which shall be not more than 30 days prior to the Liquidation
Date) and, establish such procedures as it shall deem appropriate to effect the
distribution of Debentures in exchange for the Outstanding Trust Securities
Certificates.

          (c) Except where Section 9.2(c) or 9.4(d) applies, after the
Liquidation Date, (i) the Trust Securities will no longer be deemed to be
Outstanding, (ii) certificates representing a Like Amount of Debentures will be
issued to Holders of Trust Securities Certificates, upon surrender of such
Certificates to the exchange agent for exchange, (iii) any Trust Securities
Certificates not so surrendered for exchange will be deemed to represent a Like
Amount of bearing accrued and unpaid interest in an amount equal to the
accumulated and unpaid Distributions on such Trust Securities Certificates until
such certificates are so surrendered (and until such certificates are so
surrendered, no payments of interest or principal will be made to Holders of
Trust Securities Certificates with respect to such Debentures) and (iv) all
rights of Holders holding Trust Securities will cease, except the right of such
Holders to receive Debentures upon surrender of Trust Securities Certificates.

          (d) If, notwithstanding the other provisions of this Section 9.4,
whether because of an order for dissolution entered by a court of competent
jurisdiction or otherwise, distribution of the Debentures in the manner provided
herein is determined by the Property Trustee not to be practical, or if an Early
Dissolution Event specified in clause (c) of Section 9.2 occurs, the Trust
Property shall be liquidated, and the Issuer Trust shall be dissolved and its
affairs wound-up, by the Property Trustee in such manner as the Property Trustee
determines. In such event, on the date of the dissolution, winding-up or other
termination of the Issuer Trust, Holders will be entitled to receive out of the
assets of the Issuer Trust available for distribution to Holders, after
satisfaction of liabilities to creditors of the Issuer Trust as provided by
applicable law, an amount equal to the Liquidation Amount per Trust Security
plus accumulated and unpaid Distributions thereon to the date of payment (such
amount being the "Liquidation Distribution"). If, upon any such dissolution,
winding up or termination, the Liquidation Distribution can be paid only in part
because the Issuer Trust has insufficient assets available to pay in full the
aggregate Liquidation Distribution, then, subject to the next succeeding
sentence, the amounts payable by the Issuer Trust on the Trust Securities shall
be paid on a pro rata basis (based upon Liquidation Amounts). The Holders of the
Common Securities will be entitled to receive Liquidation Distributions upon any
such dissolution, winding-up or termination pro rata (determined as aforesaid)
with Holders of Capital Securities, except that, if a Debenture Event of Default
specified in Section 5.1(1) or 5.1(2) of the Indenture has occurred and is
continuing, the Capital Securities shall have a priority over the Common
Securities as provided in Section 4.3.

           Section 9.5.    Mergers, Consolidations, Amalgamations or
Replacements of Issuer Trust.

          The Issuer Trust may not merge with or into, consolidate, amalgamate,
or be replaced by, or convey, transfer or lease its properties and assets
substantially as an entirety to any corporation or 

                                       55
<PAGE>
 
other body, except pursuant to this Section 9.5. At the request of the Holders
of the Common Securities, with the consent of the Holders of at least a Majority
in Liquidation Amount of the Capital Securities, and without the consent of the
Issuer Trustees, the Issuer Trust may merge with or into, consolidate,
amalgamate, or be replaced by or convey, transfer or lease its properties and
assets substantially as an entirety to a trust organized as such under the laws
of any State; provided, that (i) such successor entity either (a) expressly
assumes all of the obligations of the Issuer Trust with respect to the Capital
Securities, or (b) substitutes for the Capital Securities other securities
having substantially the same terms as the Capital Securities (the "Successor
Securities") so long as the Successor Securities have the same priority as the
Capital Securities with respect to distributions and payments upon liquidation,
redemption and otherwise, (ii) a trustee of such successor entity possessing the
same powers and duties as the Property Trustee is appointed to hold the
Debentures, (iii) such merger, consolidation, amalgamation, replacement,
conveyance, transfer or lease does not cause the Capital Securities (including
any Successor Securities) to be downgraded by any nationally recognized
statistical rating organization, (iv) such merger, consolidation, amalgamation,
replacement, conveyance, transfer or lease does not adversely affect the rights,
preferences and privileges of the holders of the Capital Securities (including
any Successor Securities) in any material respect, (v) such successor entity has
a purpose substantially identical to that of the Issuer Trust, (vi) prior to
such merger, consolidation, amalgamation, replacement, conveyance, transfer or
lease, the Property Trustee has received an Opinion of Counsel to the effect
that (a) such merger, consolidation, amalgamation, replacement, conveyance,
transfer or lease does not adversely affect the rights, preferences and
privileges of the Holders of the Capital Securities (including any Successor
Securities) in any material respect, and (b) following such merger,
consolidation, amalgamation, replacement, conveyance, transfer or lease, neither
the Issuer Trust nor such successor entity will be required to register as an
"investment company" under the Investment Company Act, and (vii) the Depositor
or its permitted transferee owns all of the Common Securities of such successor
entity and guarantees the obligations of such successor entity under the
Successor Securities at least to the extent provided by the Guarantee Agreement.
Notwithstanding the foregoing, the Issuer Trust shall not, except with the
consent of holders of all of the Capital Securities, consolidate, amalgamate,
merge with or into, or be replaced by or convey, transfer or lease its
properties and assets substantially as an entirety to any other entity or permit
any other entity to consolidate, amalgamate, merge with or into, or replace it
if such consolidation, amalgamation, merger, replacement, conveyance, transfer
or lease would cause the Issuer Trust or the successor entity to be taxable as a
corporation or classified as other than a grantor trust for United States
Federal income tax purposes.


                                   ARTICLE X.

                            Miscellaneous Provisions

                                       56
<PAGE>
 
          Section 10.1.   Limitation of Rights of Holders.

          Except as set forth in Section 9.2, the death or incapacity of any
person having an interest, beneficial or otherwise, in Trust Securities shall
not operate to terminate this Trust Agreement, nor entitle the legal
representatives or heirs of such person or any Holder for such person, to claim
an accounting, take any action or bring any proceeding in any court for a
partition or winding up of the arrangements contemplated hereby, nor otherwise
affect the rights, obligations and liabilities of the parties hereto or any of
them.

          Section 10.2.   Amendment.

          (a) This Trust Agreement may be amended from time to time by the
Property Trustee and the Holders of all of the Common Securities, without the
consent of any Holder of the Capital Securities, (i) to cure any ambiguity,
correct or supplement any provision herein that may be inconsistent with any
other provision herein, or to make any other provisions with respect to matters
or questions arising under this Trust Agreement, which shall not be inconsistent
with the other provisions of this Trust Agreement; provided, however, that such
action shall not adversely affect in any material respect the interests of any
Holder, or (ii) to modify, eliminate or add to any provisions of this Trust
Agreement to such extent as shall be necessary to ensure that the Issuer Trust
will not be taxable as a corporation or classified as other than a grantor trust
for United States Federal income tax purposes at all times that any Trust
Securities are outstanding or to ensure that the Issuer Trust will not be
required to register as an "investment company" under the Investment Company
Act.

          (b) Except as provided in Section 10.2(c) hereof, any provision of
this Trust Agreement may be amended by the Property Trustee, the Delaware
Trustee and the Holders of all of the Common Securities and with (i) the consent
of Holders of at least a Majority in Liquidation Amount of the Capital
Securities, and (ii) receipt by the Issuer Trustees of an Opinion of Counsel to
the effect that such amendment or the exercise of any power granted to the
Trustees or the Administrators in accordance with such amendment will not affect
the Trust's status as a grantor trust or cause the Issuer Trust to be taxable as
a corporation or as other than a grantor trust for United States Federal income
tax purposes or affect the Issuer Trust's exemption from status as an
"investment company" under the Investment Company Act.

          (c) In addition to and notwithstanding any other provision in this
Trust Agreement, without the consent of each affected Holder (such consent being
obtained in accordance with Section 6.3 or 6.6 hereof), this Trust Agreement may
not be amended to (i) change the amount or timing of any Distribution on the
Trust Securities or otherwise adversely affect the amount of any Distribution
required to be made in respect of the Trust Securities as of a specified date,
or (ii) restrict the right of a Holder to institute suit for the enforcement of
any such payment on or after such date; and notwithstanding any other provision
herein, without the unanimous consent of the Holders (such consent being
obtained in accordance with Section 6.3 or 6.6 hereof), this paragraph (c) of
this Section 10.2 may not be amended.

                                       57
<PAGE>
 
          (d) Notwithstanding any other provisions of this Trust Agreement, no
Issuer Trustee shall enter into or consent to any amendment to this Trust
Agreement that would cause the Issuer Trust to fail or cease to qualify for the
exemption from status as an "investment company" under the Investment Company
Act or to be taxable as a corporation or to be classified as other than a
grantor trust for United States Federal income tax purposes.

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

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

          (g) Neither the Property Trustee nor the Delaware Trustee shall be
required to enter into any amendment to this Trust Agreement that affects its
own rights, duties or immunities under this Trust Agreement. The Property
Trustee shall be entitled to receive an Opinion of Counsel and an Officers'
Certificate stating that any amendment to this Trust Agreement is in compliance
with this Trust Agreement.

          Section 10.3.   Separability.

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

          Section 10.4.   Governing Law.

          THIS TRUST AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF EACH OF THE
HOLDERS, THE ISSUER TRUST, THE DEPOSITOR, THE ISSUER TRUSTEES AND THE
ADMINISTRATORS WITH RESPECT TO THIS TRUST AGREEMENT AND THE TRUST SECURITIES
SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF
DELAWARE WITHOUT REFERENCE TO ITS CONFLICTS OF LAWS PROVISIONS.

          Section 10.5.   Payments Due on Non-Business Day.

          If the date fixed for any payment on any Trust Security shall be a day
that is not a Business Day, then such payment need not be made on such date but
may be made on the next succeeding day that is a Business Day (except as
otherwise provided in Sections 4.1(a) and 4.2(d)), with the same force and
effect as though made on the date fixed for such payment, and no Distributions
shall accumulate on such unpaid amount for the period after such date.

                                       58
<PAGE>
 
          Section 10.6.   Successors.

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

          Section 10.7.   Headings.

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

          Section 10.8.   Reports, Notices and Demands.

          Any report, notice, demand or other communication that by any
provision of this Trust Agreement is required or permitted to be given or served
to or upon any Holder or the Depositor may be given or served in writing by
deposit thereof, first-class postage prepaid, in the United States mail, hand
delivery or facsimile transmission, in each case, addressed, (a) in the case of
a Holder of Capital Securities, to such Holder as such Holder's name and address
may appear on the Securities Register; and (b) in the case of the Holder of the
Common Securities or the Depositor, to State Street Boston Corporation,
Attention: Secretary, facsimile no.: (617) 664-4006, or to such other address as
may be specified in a written notice by the Holder of the Common Securities or
the Depositor, as the case may be to the Property Trustee. Such notice, demand
or other communication to or upon a Holder shall be deemed to have been
sufficiently given or made, for all purposes, upon hand delivery, mailing or
transmission. Such notice, demand or other communication to or upon the
Depositor shall be deemed to have been sufficiently given or made only upon
actual receipt of the writing by the Depositor.

          Any notice, demand or other communication that by any provision of
this Trust Agreement is required or permitted to be given or served to or upon
the Issuer, the Property Trustee, the Delaware Trustee, the Administrators or
the Trust shall be given in writing addressed to such Person as follows: (a)
with respect to the Property Trustee to The First National Bank of Chicago, One
First National Plaza, Suite 0126, Chicago, Illinois 60670, Attention: Corporate
Trust Administration; (b) with respect to the Delaware Trustee, to First Chicago
Delaware Inc., 300 King Street, Wilmington, Delaware 19801, Attention: Michael
J. Majchrzak (c) with respect to the Administrators, to them at 61 Broadway,
15th Floor, New York, New York 10005 marked "Attention: Administrators of State
Street Institutional Capital B" and (d) with respect to the Issuer Trust, to its
principal office specified in Section 2.2, with a copy to the Property Trustee.
Such notice, demand or other communication to or upon the Issuer Trust, the
Property Trustee or the Administrators shall be deemed to have been sufficiently
given or made only upon actual receipt of the writing by the Issuer Trust, the
Property Trustee or such Administrator.

                                       59
<PAGE>
 
          Section 10.9.   Agreement Not to Petition.

          Each of the Issuer Trustees and the Depositor agree for the benefit of
the Holders that, until at least one year and one day after the Issuer Trust has
been dissolved in accordance with Article IX, they shall not file, or join in
the filing of, a petition against the Issuer Trust under any bankruptcy,
insolvency, reorganization or other similar law (including the United States
Bankruptcy Code) (collectively, "Bankruptcy Laws") or otherwise join in the
commencement of any proceeding against the Issuer Trust under any Bankruptcy
Law. If the Depositor takes action in violation of this Section 10.9, the
Property Trustee agrees, for the benefit of Holders, that at the expense of the
Depositor, it shall file an answer with the bankruptcy court or otherwise
properly contest the filing of such petition by the Depositor against the Issuer
Trust or the commencement of such action and raise the defense that the
Depositor has agreed in writing not to take such action and should be stopped
and precluded therefrom and such other defenses, if any, as counsel for the
Issuer Trustee or the Issuer Trust may assert.

          Section 10.10.  Trust Indenture Act; Conflict with Trust Indenture
Act.

          (a) Except as otherwise expressly provided herein, the Trust Indenture
Act shall apply as a matter of contract to this Trust Agreement for purposes of
interpretation, construction and defining the rights and obligations hereunder,
and this Trust Agreement, the Depositor and the Property Trustee shall be deemed
for all purposes hereof to be subject to and governed by the Trust Indenture Act
to the same extent as would be the case if this Trust Agreement were qualified
under that Act on the date hereof. Except as otherwise expressly provided
herein, if and to the extent that any provision of this Trust Agreement limits,
qualifies or conflicts with the duties imposed by Sections 310 to 317,
inclusive, of the Trust Indenture Act, such imposed duties shall control.

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

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

          Section 10.11.  Acceptance of Terms of Trust Agreement, Guarantee
Agreement and Indenture.

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

                                       60
<PAGE>
 
TERMS OF THE GUARANTEE AGREEMENT AND THE INDENTURE, AND SHALL CONSTITUTE THE
AGREEMENT OF THE ISSUER TRUST, SUCH HOLDER AND SUCH OTHERS THAT THE TERMS AND
PROVISIONS OF THIS TRUST AGREEMENT SHALL BE BINDING, OPERATIVE AND EFFECTIVE AS
BETWEEN THE ISSUER TRUST AND SUCH HOLDER AND SUCH OTHERS.


               [REMAINDER OF THIS PAGE INTENTIONALLY LEFT BLANK]

                                       61
<PAGE>
 
          IN WITNESS WHEREOF, the parties hereto have executed this Amended and
Restated Trust Agreement.

                                    State Street Boston Corporation,
                                        as Depositor


                                    By:/s/ Ronald S. O'Kelley
                                       -----------------------------------
                                       Name:  Ronald S. O'Kelley
                                       Title: Executive Vice President



Attest:/s/ Karen Patturelli
       --------------------------------
           Karen Patturelli 

                                    The First National Bank of Chicago,
                                       as Property Trustee
    

                                    By:/s/ Richard D. Manella
                                       -----------------------------------
                                       Name:  Richard D. Manella
                                       Title: Vice President



Attest:/s/ Grace A. Gorka
       --------------------------------
           Grace A. Gorka
                                    First Chicago Delaware Inc.,
                                        as Delaware Trustee


                                    By:/s/ Richard D. Manella
                                       -----------------------------------
                                       Name:  Richard D. Manella
                                       Title: Vice President



Attest:
       --------------------------------

                                       62
<PAGE>
 
STATE OF ILLINOIS        )
                         ) ss:
COUNTY OF COOK           )


          On March 7, 1997 before me, the undersigned, a Notary Public in and
for the State of Illinois, personally appeared Richard D. Manella, personally
known to me (or proved to me on the basis of satisfactory evidence) to be the
person whose name is subscribed to the within instrument, and acknowledged to me
that he/she executed the same in his/her authorized capacity, and that the
foregoing instrument is the free act and deed of the entity upon behalf of which
such person acted.


WITNESS my hand and official seal





SIGNATURE:/s/ Nilda Sierra         (This area for official notarial seal)
          ----------------
          Nilda Sierra
                           
                                      63
<PAGE>
 
STATE OF COMMONWEALTH OF MASSACHUSETTS      )
                                            ) ss:
COUNTY OF SUFFOLK                           )


          On March 11, 1997 before me, the undersigned, a Notary Public in and
for the Commonwealth of Massachusetts, personally appeared Ronald L. O'Kelley,
personally known to me (or proved to me on the basis of satisfactory evidence)
to be the person whose name is subscribed to the within instrument, and
acknowledged to me that he/she executed the same in his/her authorized capacity,
and that the foregoing instrument is the free act and deed of the entity upon
behalf of which such person acted.


WITNESS my hand and official seal




SIGNATURE:/s/ Karen Paturelli        (This area for official notarial seal)
          -------------------
          Karen Paturelli      
                                       64
<PAGE>
 
STATE OF                 )
                         ) ss:
COUNTY OF                )


          On March __, 1997 before me, the undersigned, a Notary Public in and

for the __________________________, personally appeared ______________________, 
personally known to me (or proved to me on the basis of satisfactory evidence)
to be the person whose name is subscribed to the within instrument, and
acknowledged to me that he/she executed the same in his/her authorized capacity,
and that the foregoing instrument is the free act and deed of the entity upon
behalf of which such person acted.


WITNESS my hand and official seal




SIGNATURE:________________________      (This area for official notarial seal)

                                       65
<PAGE>
 
                                                                       Exhibit A

                              CERTIFICATE OF TRUST
                                        
                                       OF

                      STATE STREET INSTITUTIONAL CAPITAL B

          This Certificate of Trust of State Street Institutional Capital B (the
"Trust"), dated February 26, 1997, is being duly executed and filed by the
undersigned, as trustees, to form a business trust under the Delaware Business
Trust Act (12 Del. C. (S) 3801 et seq.).

               (a) Name.  The name of the business trust being formed hereby is
State Street Institutional Capital B.

               (b) Delaware Trustee. The name and business address of the
trustee of the Trust with a principal place of business in the State of Delaware
is First Chicago Delaware, Inc., 300 King Street, Wilmington, Delaware 19801.

               (c) Effective Date.  This Certificate of Trust shall be
effective as of February 26, 1997.

          IN WITNESS WHEREOF, the undersigned, being the trustees of the Trust,
have executed this Certificate of Trust as of the date first above written.

                                    FIRST CHICAGO DELAWARE, INC.
                                      as Trustee


                                    By: 
                                       -----------------------------------
                                          Name:
                                          Title:


                                    THE FIRST NATIONAL BANK OF CHICAGO
                                      as Trustee


                                    By: 
                                       -----------------------------------
                                          Name:
                                          Title:

                                       66
<PAGE>
 
                                                                       Exhibit B
                   [FORM OF CERTIFICATE DEPOSITORY AGREEMENT]

                           Letter of Representations

                                                March 11, 1997



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

Attention:  General Counsel's Office

               Re:  State Street Institutional Capital B
                    8.035% Capital Securities, Series A
                    CUSIP 85748RAA6 (144A)
                    ----------------------------------

Ladies and Gentlemen:

          The purpose of this letter is to set forth certain matters relating to
the issuance and deposit with The Depository Trust Company ("DTC") of the book-
entry-only portion of the 8.035% Capital Securities, Series A (the "Capital
Securities"), of State Street Institutional Capital B, a statutory business
trust formed under the laws of the State of Delaware (the "Issuer"), governed by
the Amended and Restated Trust Agreement, dated as of March 11, 1997, between
State Street Boston Corporation ("the Corporation"), as Depositor, The First
National Bank of Chicago, as Property Trustee, and First Chicago Delaware Inc.,
as Delaware Trustee.  The payment of distributions on the Capital Securities and
payments due upon liquidation of the Issuer or redemption of the Capital
Securities, to the extent the Issuer has funds available for the payment
thereof, are guaranteed by the Corporation to the extent set forth in a
Guarantee Agreement, dated as of March 11, 1997, between the Corporation and The
First National Bank of Chicago, as Guarantee Trustee with respect to the Capital
Securities.  The Corporation and the Issuer propose to sell the Capital
Securities to Goldman, Sachs & Co. and ________________________________ (the
"Initial Purchaser") pursuant to a Purchase Agreement, dated March 4, 1997, by
and among the Initial Purchaser, the Issuer and the Corporation, and the Initial
Purchasers wish to take delivery of the Capital Securities through DTC.  The
First National Bank of Chicago is acting as transfer agent and registrar with
respect to the Capital Securities (the "Transfer Agent and Registrar").

                                       67
<PAGE>
 
          To induce DTC to accept the Capital Securities as eligible for deposit
at DTC, and to act in accordance with DTC's rules with respect to the Capital
Securities, the Issuer and the Transfer Agent and Registrar make the following
representations to DTC:

          (a) Prior to the closing of the sale of the Capital Securities to the
Initial Purchasers on March 11, 1997, there shall be deposited with, or held by
the Transfer Agent and Registrar as custodian for, DTC one or more global
certificates (individually and collectively, the "Global Certificate")
registered in the name of DTC's nominee, Cede & Co., representing an aggregate
of  300,000 Capital Securities and bearing the following legend:

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

          (b) The Amended and Restated Trust Agreement of the Issuer provides
for the voting by holders (with no provision for revocation of consents or votes
by subsequent holders) of the Capital Securities under certain limited
circumstances.  The Issuer shall establish a record date for such purposes and
shall, to the extent possible, give DTC notice of such record date not less than
15 calendar days in advance of such record date.

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

          (d) In the event of any distribution on, or an offering or issuance of
rights with respect to, the Capital Securities outstanding, the Issuer or the
Transfer Agent and Registrar shall send DTC a notice specifying: (a) the amount
of and conditions, if any, applicable to the payment of any such distribution or
any such offering or issuance of rights; (b) any applicable expiration or
deadline date, or any date by which any action on the part of the holders of
Capital Securities is required; and (c) the date any required notice is to be
mailed by or on behalf of the Issuer to 

                                       68
<PAGE>
 
holders of Capital Securities or published by or on behalf of the Issuer
(whether by mail or publication, the "Publication Date"). Such notice shall be
sent to DTC by a secure means (e.g., legible telecopy, registered or certified
                               - -  
mail, overnight delivery) in a timely manner designed to assure that such notice
is in DTC's possession no later than the close of business on the business day
before the Publication Date. The Issuer or the Transfer Agent and Registrar will
forward such notice either in a separate secure transmission for each CUSIP
number or in a secure transmission of multiple CUSIP numbers (if applicable)
that includes a manifest or list of each CUSIP number submitted in that
transmission. (The party sending such notice shall have a method to verify
subsequently the use of such means and the timeliness of such notice.) The
Publication Date shall be not less than 30 calendar days nor more than 60
calendar days prior to the payment of any such distribution or any such offering
or issuance of rights with respect to the Capital Securities. After establishing
the amount of payment to be made on the Capital Securities, the Issuer or the
Transfer Agent and Registrar will notify DTC's Dividend Department of such
payment 5 business days prior to payment date. Notices to DTC's Dividend
Department by telecopy shall be sent to (212) 709-1723. Such notices by mail or
by any other means shall be sent to:

                         Manager, Announcements
                         Dividend Department
                         The Depository Trust Company
                         7 Hanover Square, 23rd Floor
                         New York, New York 10004-2695

          The Issuer or the Transfer Agent and Registrar shall confirm DTC's
receipt of such telecopy by telephoning the Dividend Department at (212) 709-
1270.

          (e) In the event of a redemption by the Issuer of the Capital
Securities, notice specifying the terms of the redemption and the Publication
Date of such notice shall be sent by the Issuer or the Transfer Agent and
Registrar to DTC not less than 30 calendar days prior to such event by a secure
means in the manner set forth in paragraph 4.  Such redemption notice shall be
sent to DTC's Call Notification Department at (516) 227-4164 or (516) 227-4190,
and receipt of such notice shall be confirmed by telephoning (516) 227-4070.
Notice by mail or by any other means shall be sent to:

                         Call Notification Department
                         The Depository Trust Company
                         711 Stewart Avenue
                         Garden City, New York 11530-4719

                                       69
<PAGE>
 
          (f) In the event of any invitation to tender the Capital Securities,
notice specifying the terms of the tender and the Publication Date of such
notice shall be sent by the Issuer or the Transfer Agent and Registrar to DTC by
a secure means and in a timely manner as described in paragraph 4.  Notices to
DTC pursuant to this paragraph and notices of other corporate actions (including
mandatory tenders, exchanges and capital changes), shall be sent, unless
notification to another department is expressly provided for herein, by telecopy
to DTC's Reorganization Department at (212) 709-1093 or (212) 709-1094 and
receipt of such notice shall be confirmed by telephoning (212) 709-6884, or by
mail or any other means to:

                         Manager, Reorganization Department
                         Reorganization Window
                         The Depository Trust Company
                         7 Hanover Square, 23rd Floor
                         New York, New York 10004-2695

          (g) All notices and payment advices sent to DTC shall contain the
CUSIP number or numbers of the Capital Securities and the accompanying
designation of the Capital Securities, which, as of the date of this letter, is
"State Street Institutional Capital B, 8.035% Capital Securities, Series A".

          8.        Distribution payments or other cash payments with respect to
the Capital Securities shall be governed by DTC's current Principal and Income
Payments Rider, a copy of which is attached hereto as Annex I.  For purposes of
this letter, the term "Agent" used in Annex I shall be deemed to refer to The
First National Bank of Chicago or any successor Property Trustee under the
Amended and Restated Trust Agreement.

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

          10.       In the event of a conversion, redemption, or any other
similar transaction (e.g., tender made and accepted in response to the Issuer's
                     - -                                                       
or the Transfer Agent and Registrar's invitation) necessitating a reduction in
the aggregate number of Capital Securities outstanding evidenced by the Global
Certificate, DTC, in its discretion:  (a) may request the Issuer or the Transfer
Agent and Registrar to issue and countersign a new Global Certificate; or (b)
may make an appropriate notation on the Global Certificate indicating the date
and amount of such reduction.

                                       70
<PAGE>
 
          11.  DTC may discontinue its services as a securities depositary with
respect to the Capital Securities at any time by giving reasonable prior written
notice to the Issuer and the Transfer Agent and Registrar (at which time DTC
will confirm with the Issuer or the Transfer Agent and Registrar the aggregate
number of Capital Securities deposited with it) and discharging its
responsibilities with respect thereto under applicable law.  Under such
circumstances, the Issuer may determine to make alternative arrangements for
book-entry settlement for the Capital Securities, make available one or more
separate global certificates evidencing Capital Securities to any Participant
having Capital Securities credited to its DTC account, or issue definitive
Capital Securities to the beneficial holders thereof, and in any such case, DTC
agrees to cooperate fully with the Issuer and the Transfer Agent and Registrar
and to return the Global Certificate, duly endorsed for transfer as directed by
the Issuer or the Transfer Agent and Registrar, together with any other
documents of transfer reasonably requested by the Issuer or the Transfer Agent
and Registrar.

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

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

                                       71
<PAGE>
 
          Nothing herein shall be deemed to require the Transfer Agent and
Registrar to advance funds on behalf of State Street Institutional Capital B.

                                        Very truly yours,

                                        STATE STREET INSTITUTIONAL CAPITAL B
                                        (As Issuer)



                                        By:
                                           -----------------------------------
                                           Name:
                                           Title: Administrator

                                        FIRST NATIONAL BANK OF CHICAGO
                                        (As Paying Agent)



                                        By:
                                           -----------------------------------
                                           Name:
                                           Title:


RECEIVED AND ACCEPTED:

THE DEPOSITORY TRUST COMPANY



By:
   -----------------------------------
   Authorized Officer

                                       72
<PAGE>
 
                                                                       Exhibit C
                    [FORM OF COMMON SECURITIES CERTIFICATE]

THIS CERTIFICATE IS NOT TRANSFERABLE EXCEPT TO THE DEPOSITOR OR AN AFFILIATE OF
 THE DEPOSITOR IN COMPLIANCE WITH APPLICABLE LAW AND SECTION 5.11 OF THE TRUST
 AGREEMENT AND ONLY IN CONNECTION WITH A SIMULTANEOUS DELEGATION AND ASSIGNMENT
                  OF THE EXPENSE AGREEMENT REFERRED TO THEREIN

Certificate Number  Number of Common Securities

      C-1                                               9,279

                    Certificate Evidencing Common Securities

                                       of

                      State Street Institutional Capital B

                            8.035% Common Securities
                (liquidation amount $1,000 per Common Security)

          State Street Institutional Capital B, a statutory business trust
formed under the laws of the State of Delaware (the "Issuer Trust"), hereby
certifies that State Street Boston Corporation (the "Holder") is the registered
owner of Nine Thousand Two Hundred Seventy Nine (9,279) common securities of the
Issuer Trust representing undivided common beneficial interests in the assets of
the Issuer Trust and designated the 8.035% Common Securities (liquidation amount
$1,000 per Common Security) (the "Common Securities"). Except in accordance with
Section 5.11 of the Trust Agreement (as defined below) the Common Securities are
not transferable and any attempted transfer hereof other than in accordance
therewith shall be void. The designations, rights, privileges, restrictions,
preferences and other terms and provisions of the Common Securities are set
forth in, and this certificate and the Common Securities represented hereby are
issued and shall in all respects be subject to the terms and provisions of, the
Amended and Restated Trust Agreement of the Issuer Trust, dated as of March 11,
1997, as the same may be amended from time to time (the "Trust Agreement"),
among State Street Boston Corporation, as Depositor, The First National Bank of
Chicago, as Property Trustee, First Chicago Delaware Inc., as Delaware Trustee,
and the Holders of Trust Securities, including the designation of the terms of
the Common Securities as set forth therein. The Issuer Trust will furnish a copy
of the Trust Agreement to the Holder without charge upon written request to the
Issuer Trust at its principal place of business or registered office.

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

                                       73
<PAGE>
 
          Terms used but not defined herein have the meanings set forth in
the Trust Agreement.

          In Witness Whereof, one of the Administrators of the Issuer Trust has
executed this certificate this 11th day of March, 1997.


                                 State Street Institutional Capital B
 


                                 By:
                                    -----------------------------------
                                       Name:
                                       Title: Administrator

                                       74
<PAGE>
 
                                                                       Exhibit D
                          [FORM OF EXPENSE AGREEMENT]

                    AGREEMENT AS TO EXPENSES AND LIABILITIES

          Agreement as to Expenses and Liabilities, dated as of March 11, 1997,
between State Street Boston Corporation, a Massachusetts corporation, in its
capacity as Holder (as defined in the Trust Agreement referred to below) of the
Common Securities referred to below (in such capacity, and together with its
successors in such capacity, the "Common Securityholder"), and State Street
Institutional Capital B, a Delaware business trust (the "Issuer Trust").

          Whereas, the Issuer Trust intends to issue its 8.035 Common Securities
(the "Common Securities") to and acquire Debentures from State Street Boston
Corporation, a Massachusetts Corporation, and to issue and sell its 8.035%
Capital Securities, Series A (the "Capital Securities") with such powers,
preferences and special rights and restrictions as are set forth in the Amended
and Restated Trust Agreement of the Issuer Trust, dated as of March 11, 1997,
among State Street Boston Corporation, as Depositor, The First National Bank of
Chicago, as Property Trustee, First Chicago Delaware Inc., as Delaware Trustee,
and the Holders of Trust Securities, as the same may be amended from time to
time (the "Trust Agreement");

               Whereas, the Common Securityholders will own all of the Common
Securities of the Trust;

               Whereas, terms used but not defined herein have the meanings set
forth in the Trust Agreement;

               Now, Therefore, for good and valid consideration, the receipt and
sufficiency of which are hereby acknowledged:


                                   ARTICLE I

          Section 1.1.  Guarantee by the Common Securityholder. Subject to
the terms and conditions hereof, the Common Securityholder hereby irrevocably
and unconditionally guarantees to each person or entity to whom the Issuer Trust
is now or hereafter becomes indebted or liable (the "Beneficiaries") the full
payment, when and as due, of any and all Obligations (as hereinafter defined) to
such Beneficiaries. As used herein, "Obligations" means any costs, expenses or
liabilities of the Issuer Trust, other than obligations of the Issuer Trust to
pay to holders of any Trust Securities the amounts due such holders pursuant to
the terms of the Trust Securities. This Agreement is intended to be for the
benefit of, and to be enforceable by, all such Beneficiaries, whether or not
such Beneficiaries have received notice hereof.

                                       75
<PAGE>
 
          Section 1.2.  Subordination of Guarantee.  The guarantee and other
liabilities and obligations of the Common Securityholder under this Agreement
shall constitute unsecured obligations of the Common Securityholder and shall
rank subordinate and junior in right of payment to all Senior Indebtedness (as
defined in the Indenture) of the Common Securityholder to the extent and in the
manner set forth in the Indenture with respect to the Debentures, and the
provisions of Article XIII of the Indenture will apply, mutatis mutandis, to the
obligations of the Common Securityholder hereunder. The obligations of the
Common Securityholder hereunder do not constitute Senior Indebtedness (as
defined in the Indenture) of the Common Securityholder.

          Section 1.3.  Term of Agreement.  This Agreement shall terminate and 
be of no further force and effect upon the later of (a) the date on which full
payment has been made of all amounts payable to all holders of all the Capital
Securities (whether upon redemption, liquidation, exchange or otherwise), and
(b) the date on which the Debentures shall have been distributed to the Holders
of the Trust Securities as provided in Article IX; provided, however, that this
Agreement shall continue to be effective or shall be reinstated, as the case may
be, if at any time any holder of Capital Securities or any Beneficiary must
restore payment of any sums paid under the Capital Securities, under any
Obligation, under the Guarantee Agreement dated the date hereof by the Common
Securityholder and The First National Bank of Chicago as guarantee trustee, or
under this Agreement for any reason whatsoever. This Agreement is continuing,
irrevocable, unconditional and absolute.

          Section 1.4.  Waiver of Notice.  The  Common Securityholder hereby
waives notice of acceptance of this Agreement and of any Obligation to which it
applies or may apply, and the Common Securityholder hereby waives presentment,
demand for payment, protest, notice of nonpayment, notice of dishonor, notice of
redemption and all other notices and demands.

          Section 1.5.  No Impairment.  The obligations, covenants, agreements 
and duties of the Common Securityholder under this Agreement shall in no way be
affected or impaired by reason of the happening from time to time of any of the
following:

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

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

          (c) the voluntary or involuntary liquidation, dissolution, sale of any
collateral, receivership, insolvency, bankruptcy, assignment for the benefit of
creditors, reorganization, 

                                       76
<PAGE>
 
arrangement, composition or readjustment of debt of, or other similar
proceedings affecting, the Issuer Trust or any of the assets of the Issuer Trust
(other than the liquidation of the Trust in accordance with the terms thereof).

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

          Section 1.6.  Enforcement.  A Beneficiary may enforce this Agreement
directly against the Common Securityholder and the Common Securityholder waives
any right or remedy to require that any action be brought against the Issuer
Trust or any other person or entity before proceeding against the Common
Securityholder.

          Section 1.7.  Subrogation.  The Common Securityholder shall be
subrogated to all rights (if any) of the Trust in respect of any amounts paid to
the Beneficiaries by the Common Securityholder under this Agreement; provided,
however, that the Common Securityholder shall not (except to the extent required
by mandatory provisions of law) be entitled to enforce or exercise any rights
which it may acquire by way of subrogation or any indemnity, reimbursement or
other agreement, in all cases as a result of payment under this Agreement, if,
at the time of any such payment, any amounts are due and unpaid under this
Agreement.


                                   ARTICLE II

          Section 2.1. Assignment. This Agreement may not be assigned by either
party hereto without the consent of the other, and any purported assignment
without such consent shall be void; except that upon any transfer of the Common
                                    ------                                     
Securities, this Agreement shall be assigned and delegated by the Common
Securityholder to its successor with such transfer without any action by either
party hereto.

          Section 2.2.  Binding Effect.  All guarantees and agreements contained
in this Agreement shall bind the successors, assigns, receivers, trustees and
representatives of the Common Securityholder and shall inure to the benefit of
the Beneficiaries.

          Section 2.3.  Amendment.  So long as there remains any Beneficiary or
any Capital Securities are outstanding, this Agreement shall not be modified or
amended in any manner adverse to such Beneficiary or to the holders of the
Capital Securities without the consent of such Beneficiary or the holders of the
Capital Securities, as the case may be.

          Section 2.4.  Notices.  Any notice, request or other communication
required or permitted to be given hereunder shall be given in writing by
delivering the same against receipt therefor by facsimile transmission
(confirmed by mail), telex or by registered or 

                                       77
<PAGE>
 
certified mail, addressed as follows (and if so given, shall be deemed given
when mailed or upon receipt of an answer-back, if sent by telex):

                    State Street Institutional Capital B
                    c/o The First National Bank of Chicago
                    One First National Plaza, Suite 0126
                    Chicago, Illinois  60670
                    Facsimile No.:  (312) 407-1708
                    Attention:  Corporate Trust Administration

                    With a copy to:

                    State Street Boston Corporation
                    225 Franklin Street
                    Boston, Massachusetts
                    Facsimile No.: (617) 664-4006
                    Attention: Secretary

          Section 2.5.  THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED AND
INTERPRETED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

                                       78
<PAGE>
 
          This Agreement is executed as of the day and year first above
written.


                                        State Street Boston Corporation



                                        By:
                                           -----------------------------------
                                           Name:
                                           Title:

                                        State Street Institutional Capital B



                                        By:
                                           -----------------------------------
                                           Name:
                                           Title: Administrator

                                       79
<PAGE>
 
                                                                       Exhibit E
                    [FORM OF CAPITAL SECURITIES CERTIFICATE]

          [If the Capital Securities Certificate is to be Evidenced By a Book-
Entry Capital Securities Certificate, insert--This Capital Securities
Certificate is a Book-Entry Capital Securities Certificate within the meaning of
the Trust Agreement hereinafter referred to and is registered in the name of a
Depositary or a nominee of a Depositary. This Capital Securities Certificate is
exchangeable for Capital Securities Certificates registered in the name of a
person other than the Depositary or its nominee only in the limited
circumstances described in the Trust Agreement and may not be transferred except
as a whole by the Depositary to a nominee of the Depositary or by a nominee of
the Depositary to the Depositary or another nominee of the Depositary, except in
the limited circumstances described in the Trust Agreement.

          Unless this Capital Security Certificate is presented by an authorized
representative of The Depository Trust Company, a New York Corporation ("DTC"),
to State Street Institutional Capital B or its agent for registration of
transfer, exchange or payment, and any Capital Security Certificate issued is
registered in the name of Cede & Co. or such other name as is requested by an
authorized representative of DTC (and any payment is made to Cede & Co. or to
such other entity as is requested by an authorized representative of DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO A PERSON IS
WRONGFUL inasmuch as the registered owner hereof, Cede & Co., has an interest
herein.]

          THE CAPITAL SECURITIES EVIDENCED HEREBY AND ANY JUNIOR SUBORDINATED
DEBENTURES ISSUABLE IN CONNECTION THEREWITH HAVE NOT BEEN REGISTERED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT") AND MAY NOT BE
OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (A) BY THE INITIAL
INVESTOR (I) TO A PERSON WHO THE TRANSFEROR REASONABLY BELIEVES IS A QUALIFIED
INSTITUTIONAL BUYER PURCHASING FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A
QUALIFIED INSTITUTIONAL BUYER IN A TRANSACTION MEETING THE REQUIREMENTS OF RULE
144A, (II) IN AN OFFSHORE TRANSACTION COMPLYING WITH THE PROVISIONS OF RULE 903
OR RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, OR (III) PURSUANT TO AN
EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT PROVIDED BY RULE 144
THEREUNDER (IF AVAILABLE), OR (B) BY ANY SUBSEQUENT INVESTOR, AS SET FORTH IN
(A) ABOVE AND, IN ADDITION, TO AN INSTITUTIONAL ACCREDITED INVESTOR IN A
TRANSACTION EXEMPT FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT,
AND, IN EACH CASE IN ACCORDANCE WITH ANY APPLICABLE SECURITIES LAWS OF THE
STATES AND OTHER JURISDICTIONS OF THE UNITED STATES. THE HOLDER OF THIS SECURITY
AGREES THAT IT WILL COMPLY WITH THE FOREGOING RESTRICTIONS. SECURITIES OWNED BY
AN INITIAL INVESTOR THAT IS NOT 

                                       80
<PAGE>
 
A QUALIFIED INSTITUTIONAL BUYER MAY NOT BE HELD IN BOOK-ENTRY FORM AND MAY NOT
BE TRANSFERRED WITHOUT CERTIFICATION THAT THE TRANSFER COMPLIES WITH THE
FOREGOING RESTRICTIONS, AS PROVIDED IN THE TRUST AGREEMENT REFERRED TO BELOW. NO
REPRESENTATION CAN BE MADE AS TO THE AVAILABILITY OF THE EXEMPTION PROVIDED BY
RULE 144 FOR RESALES OF THE CAPITAL SECURITIES OR ANY JUNIOR SUBORDINATED
DEBENTURES DISTRIBUTABLE TO HOLDERS OF THE CAPITAL SECURITIES.

          NO EMPLOYEE BENEFIT OR OTHER PLAN SUBJECT TO TITLE I OF THE EMPLOYEE
RETIREMENT INCOME SECURITY ACT OF 1974, AS AMENDED ("ERISA"), OR SECTION 4975 OF
THE INTERNAL REVENUE CODE OF 1986, AS AMENDED (THE "CODE") (EACH, A "PLAN"), NO
ENTITY WHOSE UNDERLYING ASSETS INCLUDE "PLAN ASSETS" BY REASON OF ANY PLAN'S
INVESTMENT IN THE ENTITY (A "PLAN ASSET ENTITY"), AND NO PERSON INVESTING "PLAN
ASSETS" OF ANY PLAN, MAY ACQUIRE OR HOLD THIS CAPITAL SECURITIES CERTIFICATE OR
ANY INTEREST HEREIN, UNLESS SUCH PURCHASER OR HOLDER IS ELIGIBLE FOR THE
EXEMPTIVE RELIEF AVAILABLE UNDER U.S. DEPARTMENT OF LABOR PROHIBITED TRANSACTION
CLASS EXEMPTION ("PTCE") 96-23, 95-60, 91-38, 90-1 OR 84-14 OR ANOTHER
APPLICABLE EXEMPTION WITH RESPECT TO SUCH PURCHASE OR HOLDING AND, IN THE CASE
OF ANY PURCHASER OR HOLDER RELYING ON ANY EXEMPTION OTHER THAN PTCE 96-23, 95-
60, 91-38, 90-1 OR 84-14, HAS COMPLIED WITH ANY REQUEST BY THE DEPOSITOR OR THE
ISSUER TRUST FOR AN OPINION OF COUNSEL OR OTHER EVIDENCE WITH RESPECT TO THE
AVAILABILITY OF SUCH EXEMPTION. ANY PURCHASER OR HOLDER OF THIS CAPITAL
SECURITIES CERTIFICATE OR ANY INTEREST HEREIN WILL BE DEEMED TO HAVE REPRESENTED
BY ITS PURCHASE AND HOLDING HEREOF THAT IT EITHER (A) IS NOT A PLAN OR A PLAN
ASSET ENTITY AND IS NOT PURCHASING SUCH SECURITIES ON BEHALF OF OR WITH "PLAN
ASSETS" OF ANY PLAN, OR (B) IS ELIGIBLE FOR THE EXEMPTIVE RELIEF AVAILABLE UNDER
PTCE 96-23, 95-60, 91-38, 90-1 OR 84-14 OR ANOTHER APPLICABLE EXEMPTION WITH
RESPECT TO SUCH PURCHASE OR HOLDING.

                                       81
<PAGE>
 
CERTIFICATE NUMBER                             NUMBER OF CAPITAL SECURITIES

 P-1                                            300,000

                                   CUSIP NO.

                   CERTIFICATE EVIDENCING CAPITAL SECURITIES

                                       OF

                      STATE STREET INSTITUTIONAL CAPITAL B

                      8.035% CAPITAL SECURITIES, SERIES A
                (LIQUIDATION AMOUNT $1,000 PER CAPITAL SECURITY)


          State Street Institutional Capital B, a statutory business trust
formed under the laws of the State of Delaware (the "Issuer Trust"), hereby
certifies that Cede & Co. (the "Holder") is the registered owner of Three
Hundred Thousand (300,000) capital securities of the Trust representing an
undivided preferred beneficial interest in the assets of the Trust and
designated the State Street Institutional Capital B 8.035% Capital Securities,
Series A (liquidation amount $1,000 per Capital Security) (the "Capital
Securities"). The Capital Securities are transferable on the books and records
of the Issuer Trust, in person or by a duly authorized attorney, upon surrender
of this certificate duly endorsed and in proper form for transfer as provided in
Section 5.5 of the Trust Agreement (as defined below). The designations, rights,
privileges, restrictions, preferences and other terms and provisions of the
Capital Securities are set forth in, and this certificate and the Capital
Securities represented hereby are issued and shall in all respects be subject to
the terms and provisions of, the Amended and Restated Trust Agreement of the
Issuer Trust, dated as of March 11, 1997, as the same may be amended from time
to time (the "Trust Agreement"), among State Street Boston Corporation, as
Depositor, The First National Bank of Chicago, as Property Trustee, First
Chicago Delaware Inc., as Delaware Trustee, and the Holders of Trust Securities,
including the designation of the terms of the Capital Securities as set forth
therein. The Holder is entitled to the benefits of the Guarantee Agreement,
dated as of March 11, 1997 (the "Guarantee Agreement"), by and between State
Street Boston Corporation, as Guarantor, and The First National Bank of Chicago,
as Guarantee Trustee, to the extent provided therein. The Issuer Trust will
furnish a copy of the Issuer Trust Agreement and the Guarantee Agreement to the
Holder without charge upon written request to the Issuer Trust at its principal
place of business or registered office.

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

                                       82
<PAGE>
 
          In Witness Whereof, one of the Administrators of the Issuer Trust has
executed this certificate this 11th day of March, 1997.

                                        State Street Institutional Capital B


                                        By:
                                           -----------------------------------
                                           Name:
                                           Title: Administrator

                                       83
<PAGE>
 
                                   ASSIGNMENT

        For Value Received, the undersigned assigns and transfers this
Capital Security to:


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

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

- --------------------------------------------------------------------------------
                   (Insert address and zip code of assignee)

and irrevocably appoints 
                         -------------------------------------------------------

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

agent to transfer this Capital Security Certificate on the books of the Issuer
Trust. The agent may substitute another to act for him or her.

Date: 
     -------------------------

Signature:

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

The signature(s) should be guaranteed by an eligible guarantor institution
(banks, stockbrokers, savings and loan associations and credit unions with
membership in an approved signature guarantee medallion program), pursuant to
S.E.C. Rule 17Ad-15.

                                       84
<PAGE>
 
                                                                       Exhibit F
                  [FORM OF RESTRICTED SECURITIES CERTIFICATE]

                       RESTRICTED SECURITIES CERTIFICATE

         (For transfers pursuant to (S) 5.5(b) of the Trust Agreement)

[                         ],
 -------------------------
  as Security Registrar
[address]

          Re:  8.035% Capital Securities, Series A of State Street
               Institutional Capital B (the "Trust") (the "Capital Securities")
               ----------------------------------------------------------------

          Reference is made to the Amended and Restated Trust Agreement, dated
as of March 11, 1997 (the "Trust Agreement"), among State Street Boston
Corporation, as Depositor, The First National Bank of Chicago, as Property
Trustee, First Chicago Delaware, as Delaware Trustee, and the Holders (as
defined therein) from time to time.  Terms used herein and defined in the Trust
Agreement or in Regulation S, Rule 144A or Rule 144 under the U.S. Securities
Act of 1933 (the "Securities Act") are used herein as so defined.

          This certificate relates to $_____________ aggregate Liquidation
Amount of Capital Securities, which are evidenced by the following
certificate(s) (the "Specified Securities"):

CUSIP No(s). 
            -----------------------------------
CERTIFICATE No(s).
                  -----------------------------

CURRENTLY IN BOOK-ENTRY FORM:        Yes        No  (check one)
                               -----      -----

The person in whose name this certificate is executed below (the "Undersigned")
hereby certifies that either (i) it is the sole beneficial owner of the
Specified Securities or (ii) it is acting on behalf of all the beneficial owners
of the Specified Securities and is duly authorized by them to do so. Such
beneficial owner or owners are referred to herein collectively as the "Owner".
If the Specified Securities are represented by a Book-Entry Capital Securities
Certificate, they are held through the Clearing Agency or a Clearing Agency
Participant in the name of the Undersigned, as or on behalf of the Owner. If the
Specified Securities are not represented by a Book-Entry Capital Securities
Certificate, they are registered in the name of the Undersigned, as or on behalf
of the Owner.

          The Owner has requested that the Specified Securities be transferred
to a person (the "Transferee") who will take delivery in the form of a
Restricted Capital Security. In connection with such transfer, the Owner hereby
certifies that, unless such transfer is being effected pursuant to an effective
registration statement under the Securities Act, it is being effected in
accordance with Rule 144A, Rule 904 or Rule 144 under the Securities Act 

                                       85
<PAGE>
 
and all applicable securities laws of the states of the United States and other
jurisdictions. Accordingly, the Owner hereby further certifies as:

               (1) Rule 144A Transfers.  If the transfer is being effected in
                   -------------------                                       
     accordance with Rule 144A:

               (A) the Specified Securities are being transferred to a person
          that the Owner and any person acting on its behalf reasonably believe
          is a "qualified institutional buyer" within the meaning of Rule 144A,
          acquiring for its own account or for the account of a qualified
          institutional buyer; and

               (B) the Owner and any person acting on its behalf have taken
          reasonable steps to ensure that the Transferee is aware that the Owner
          may be relying on Rule 144A in connection with the transfer; and

               (2) Rule 904 Transfers.  If the transfer is being effected in
                   ------------------                                       
     accordance with Rule 904:

               (A) the Owner is not a distributor of the Securities, an
          affiliate of the Depositor or the Trust or any such distributor or a
          person acting on behalf of any of the foregoing;

               (B) the offer of the Specified Securities was not made to a
          person in the United States;

               (C) either;

               (i) at the time the buy order was originated, the Transferee was
     outside the United States or the Owner and any person acting on its behalf
     reasonably believed that the Transferee was outside the United States, or

               (ii) the transaction is being executed in, on or through the
     facilities of the Eurobond market, as regulated by the Association of
     International Bond Dealers, or another designated offshore securities
     market and neither the Owner nor any person acting on its behalf knows that
     the transaction has been prearranged with a buyer in the United States;

               (D) no directed selling efforts have been made in the United
     States by or on behalf of the Owner or any affiliate thereof; and

                                       86
<PAGE>
 
               (E) the transaction is not part of a plan or scheme to evade the
     registration requirements of the Securities Act.

               (3) Rule 144 Transfers.  If the transfer is being effected
                   ------------------                                    
     pursuant to Rule 144:

               (A) the transfer is occurring after a holding period of at least
     two years (computed in accordance with paragraph (d) of Rule 144) has
     elapsed since the date the Specified Securities were acquired from the
     Depositor or the Trust or from an affiliate (as such term is defined in
     Rule 144) of the Depositor or the Trust, whichever is later, and is being
     effected in accordance with the applicable amount, manner of sale and
     notice requirements of paragraphs (e), (f) and (h) of Rule 144;

               (B) the transfer is occurring after a holding period of at least
     three years has elapsed since the date the Specified Securities were
     acquired from the Depositor or the Trust or from an affiliate (as such term
     is defined in Rule 144) of the Depositor or the Trust, whichever is later,
     and the Owner is not, and during the preceding three months has not been,
     an affiliate of the Depositor or the Trust; or

               (C) the Owner is a "qualified institutional buyer" within the
     meaning of Rule 144A, and is transferring the Securities to an institution
     that is an "accredit investor" within the meaning of Rule 501(a)(1), (2),
     (3) or (7) of Regulation D under the Securities Act in a transaction exempt
     from the registration requirements of the Securities Act.

          This certificate and the statements contained herein are made for your
benefit and the benefit of the Depositor, the Trust and the Initial Purchasers.


Dated:
                         -----------------------------------------------------
                         (Print the name of the Undersigned, as such term is
                         defined in the second paragraph of this certificate.)


                         By:
                            ----------------------------------------
                             Name:
                             Title:

                         (If the Undersigned is a corporation, partnership or
                         fiduciary, the title of the person signing on behalf 
                         of the Undersigned must be stated.)

                                       87

<PAGE>
 
                    CAPITAL SECURITIES GUARANTEE AGREEMENT

                                BY AND BETWEEN


                        STATE STREET BOSTON CORPORATION
                                 as Guarantor


                                      and


                      THE FIRST NATIONAL BANK OF CHICAGO,
                             as Guarantee Trustee


                                  RELATING TO

                     STATE STREET INSTITUTIONAL CAPITAL B

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

                          Dated as of March 11, 1997

                         ----------------------------   
<PAGE>
 
                               TABLE OF CONTENTS
<TABLE>
<CAPTION> 
                                                                                      Page

<S>                                                                                    <C>
ARTICLE I - Definitions..............................................................   1
     Section 1.1. Definitions........................................................   1
                                                                                  
ARTICLE II - Trust Indenture Act.....................................................   4
     Section 2.1. Trust Indenture Act; Application...................................   4
     Section 2.2. List of Holders....................................................   5
     Section 2.3. Reports by the Guarantee Trustee...................................   5
     Section 2.4. Periodic Reports to the Guarantee Trustee..........................   5
     Section 2.5. Evidence of Compliance with Conditions Precedent...................   5
     Section 2.6. Events of Default; Waiver..........................................   5
     Section 2.7. Event of Default; Notice...........................................   6
     Section 2.8. Conflicting Interests..............................................   6
                                                                                  
ARTICLE III - Powers, Duties and Rights of the Guarantee Trustee.....................   6
     Section 3.1. Powers and Duties of the Guarantee Trustee.........................   6
     Section 3.2. Certain Rights of Guarantee Trustee................................   8
     Section 3.3. Compensation; Indemnity; Fees......................................   9
                                                                                  
ARTICLE IV - Guarantee Trustee.......................................................  10
     Section 4.1. Guarantee Trustee; Eligibility ....................................  10
     Section 4.2. Appointment, Removal and Resignation of the Guarantee Trustee......  10
                                                                                  
ARTICLE V - Guarantee................................................................  11
     Section 5.1. Guarantee..........................................................  11
     Section 5.2. Waiver of Notice and Demand........................................  11
     Section 5.3. Obligations Not Affected...........................................  11
     Section 5.4. Rights of Holders..................................................  12
     Section 5.5. Guarantee of Payment...............................................  12
     Section 5.6. Subrogation........................................................  13
     Section 5.7. Independent Obligations............................................  13
                                                                                  
ARTICLE VI - Covenants and Subordination.............................................  13
     Section 6.1. Subordination......................................................  13
     Section 6.2. Pari Passu Guarantees..............................................  13
                                                                                  
ARTICLE VII - Termination............................................................  14
     Section 7.1. Termination........................................................  14
                                                                                  
ARTICLE VIII - Miscellaneous.........................................................  14
     Section 8.1. Successors and Assigns.............................................  14
     Section 8.2. Amendments.........................................................  14
     Section 8.3. Notices............................................................  14
</TABLE>   
                                      -i-
<PAGE>
 
     GUARANTEE AGREEMENT, dated as of March 11, 1997, between STATE STREET
BOSTON CORPORATION, a Massachusetts corporation (the "Guarantor"), having its
principal office at 225 Franklin Street, Boston, Massachusetts 02110, and THE
FIRST NATIONAL BANK OF CHICAGO, a national banking association, as trustee (the
"Guarantee Trustee"), for the benefit of the Holders (as defined herein) from
time to time of the Capital Securities (as defined herein) of STATE STREET
INSTITUTIONAL CAPITAL B, a Delaware statutory business trust (the "Issuer
Trust").

                          Recitals of the Corporation

     Whereas, pursuant to an Amended and Restated Trust Agreement, dated as of
March 11, 1997 (the "Trust Agreement"), among State Street Boston Corporation,
as Depositor, the Property Trustee and the Delaware Trustee named therein and
the holders from time to time of undivided beneficial interests in the assets of
the Issuer Trust, the Issuer Trust is issuing $300,000,000 aggregate Liquidation
Amount (as defined in the Trust Agreement) of its 8.035% Capital Securities,
Series A (liquidation amount $1,000 per capital security) (the "Capital
Securities"), representing preferred undivided beneficial interests in the
assets of the Issuer Trust and having the terms set forth in the Trust
Agreement; and

     Whereas, the Capital Securities will be issued by the Issuer Trust and the
proceeds thereof, together with the proceeds from the issuance of the Issuer
Trust's Common Securities (as defined herein), will be used to purchase the
Debentures (as defined in the Trust Agreement) of the Guarantor, which
Debentures will be deposited with The First National Bank of Chicago, as
Property Trustee under the Trust Agreement, as trust assets; and

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

     Now, Therefore, in consideration of the purchase of Capital Securities by
each Holder, which purchase the Guarantor hereby acknowledges shall benefit the
Guarantor, the Guarantor executes and delivers this Guarantee Agreement for the
benefit of the Holders from time to time.

                                   ARTICLE I

                                  Definitions

     Section 1.1. Definitions.

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

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

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

                                      -1-
<PAGE>
 
     (c) The words "include", "includes" and "including" shall be deemed to be
followed by the phrase "without limitation";

     (d) All accounting terms used but not defined herein have the meanings
assigned to them in accordance with United States generally accepted accounting
principles;

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

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

     "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.

     "Board of Directors" means the board of directors of the Guarantor or the
Executive Committee of the board of directors of the Guarantor (or any other
committee of the board of directors of the Guarantor performing similar
functions) or a committee designated by the board of directors of the Guarantor
(or such committee), comprised of two or more members of the board of directors
of the Guarantor or officers of the Guarantor, or both.

     "Capital Securities" has the meaning specified in the recitals to this
Guarantee Agreement.

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

     "Event of Default" means (i) a default by the Guarantor in any of its
payment obligations under this Guarantee Agreement or (ii) a default by the
Guarantor in any other obligation hereunder that remains unremedied for 30 days.

     "Guarantee Agreement" means this Guarantee Agreement, as modified, amended
or supplemented from time to time.

     "Guarantee Payments" means the following payments or distributions, without
duplication, with respect to the Capital Securities, to the extent not paid or
made by or on behalf of the Issuer Trust: (i) any accumulated and unpaid
Distributions (as defined in the Trust Agreement) required to be paid on the
Capital Securities, to the extent the Issuer Trust shall have funds on hand
available therefor at such time; (ii) the Redemption Price (as defined in the
Trust Agreement) with respect to any Capital Securities called for redemption by
the Issuer Trust, to the extent the Issuer Trust shall have funds on hand
available therefor at such time; and (iii) upon a voluntary or involuntary
dissolution, winding-up or liquidation of the Issuer Trust, unless Debentures
are distributed to the Holders, the lesser of (a) the Liquidation Distribution
(as defined in the Trust Agreement) with respect to the Capital Securities, to
the extent that the Issuer Trust shall

                                      -2-
<PAGE>
 
have funds on hand available therefor at such time, and (b) the amount of assets
of the Issuer Trust remaining available for distribution to Holders on
liquidation of the Issuer.

     "Guarantee Trustee" means The First National Bank of Chicago, solely in its
capacity as Guarantee Trustee and not in its individual capacity, until a
Successor Guarantee Trustee has been appointed and has accepted such appointment
pursuant to the terms of this Guarantee Agreement, and thereafter means each
such Successor Guarantee Trustee.

     "Guarantor" has the meaning specified in the first paragraph of this
Guarantee Agreement.

     "Holder" means any Holder (as defined in the Trust Agreement) of any
Capital Securities; provided, however, that in determining whether the holders
of the requisite percentage of Capital Securities have given any request,
notice, consent or waiver hereunder, "Holder" shall not include the Guarantor,
the Guarantee Trustee, or any Affiliate of the Guarantor or the Guarantee
Trustee.

     "Indenture" means the Junior Subordinated Indenture, dated as of December
15, 1996, between State Street Boston Corporation and The First National Bank of
Chicago, as trustee, as the same may be modified, amended or supplemented from
time to time.

     "Issuer Trust" has the meaning specified in the first paragraph of this
Guarantee Agreement.

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

     "Majority in Liquidation Amount of the Capital Securities" means, except as
provided by the Trust Indenture Act, Capital Securities representing more than
50% of the aggregate Liquidation Amount (as defined in the Trust Agreement) of
all Capital Securities then Outstanding (as defined in the Trust Agreement).

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

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

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

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

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

                                      -3-
<PAGE>
 
     "Person" means a legal person, including any individual, corporation,
estate, partnership, joint venture, association, joint-stock company, company,
limited liability company, trust, business trust, unincorporated association, or
government or any agency or political subdivision thereof, or any other entity
of whatever nature.

     "Responsible Officer" means, with respect to the Guarantee Trustee, any
Senior Vice President, any Vice President, any Assistant Vice President, the
Secretary, any Assistant Secretary, the Treasurer, any Assistant Treasurer, any
Trust Officer or Assistant Trust Officer or any other officer of the Corporate
Trust Department of the Guarantee Trustee and also means, with respect to a
particular matter, any other officer to whom such matter is referred because of
that officer's knowledge of and familiarity with the particular subject.

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

     "Trust Agreement" means the Amended and Restated Trust Agreement of the
Issuer Trust referred to in the recitals to this Guarantee Agreement, as
modified, amended or supplemented from time to time.

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

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

                                  ARTICLE II

                              Trust Indenture Act

     Section 2.1. Trust Indenture Act; Application.

     Except as otherwise expressly provided herein, the Trust Indenture Act
shall apply as a matter of contract to this Guarantee Agreement for purposes of
interpretation, construction and defining the rights and obligations hereunder,
and this Guarantee Agreement, the Guarantor and the Guarantee Trustee shall be
deemed for all purposes hereof to be subject to and governed by the Trust
Indenture Act to the same extent as would be the case if this Guarantee
Agreement were qualified under that Act on the date hereof. Except as otherwise
expressly provided herein, if and to the extent that any provision of this
Guarantee Agreement limits, qualifies or conflicts with the duties imposed by
Sections 310 to 317, inclusive, of the Trust Indenture Act, such imposed duties
shall control.

     Section 2.2. List of Holders.

     (a) The Guarantor shall furnish or cause to be furnished to the Guarantee
Trustee (a) semiannually, on or before June 30 and December 31 of each year, a
list, in such form as the Guarantee Trustee may

                                      -4-
<PAGE>
 
reasonably require, of the names and addresses of the Holders (a "List of
Holders") as of a date not more than 15 days prior to the delivery thereof, and
(b) at such other times as the Guarantee Trustee may request in writing, within
30 days after the receipt by the Guarantor of any such request, a List of
Holders as of a date not more than 15 days prior to the time such list is
furnished, in each case to the extent such information is in the possession or
control of the Guarantor and has not otherwise been received by the Guarantee
Trustee in its capacity as such. The Guarantee Trustee may destroy any List of
Holders previously given to it on receipt of a new List of Holders.

     (b) The Guarantee Trustee shall comply with the requirements of Section
311(a), Section 311(b) and Section 312(b) of the Trust Indenture Act.

     Section 2.3. Reports by the Guarantee Trustee.

     Within 60 days after May 15 of each year, commencing May 15, 1997, the
Guarantee Trustee shall provide to the Holders such reports as are required by
Section 313 of the Trust Indenture Act, if any, in the form and in the manner
provided by Section 313 of the Trust Indenture Act. If this Guarantee Agreement
shall have been qualified under the Trust Indenture Act, the Guarantee Trustee
shall also comply with the requirements of Section 313(d) of the Trust Indenture
Act.

     Section 2.4. Periodic Reports to the Guarantee Trustee.

     The Guarantor shall provide to the Guarantee Trustee and the Holders such
documents, reports and information, if any, as required by Section 314 of the
Trust Indenture Act and the compliance certificate required by Section 314 of
the Trust Indenture Act, in the form, in the manner and at the times required by
Section 314 of the Trust Indenture Act, provided that such documents, reports
and information shall be required to be provided to the Securities and Exchange
Commission only if this Guarantee Agreement shall have been qualified under the
Trust Indenture Act.

     Section 2.5. Evidence of Compliance with Conditions Precedent.

     The Guarantor shall provide to the Guarantee Trustee such evidence of
compliance with such conditions precedent, if any, provided for in this
Guarantee Agreement that relate to any of the matters set forth in Section
314(c) of the Trust Indenture Act. Any certificate or opinion required to be
given by an officer of the Guarantor pursuant to Section 314(c)(1) may be given
in the form of an Officers' Certificate.

     Section 2.6. Events of Default; Waiver.

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

                                      -5-
<PAGE>
 
     Section 2.7. Event of Default; Notice.

     (a) The Guarantee Trustee shall, within 90 days after the occurrence of an
Event of Default known to the Guarantee Trustee, transmit by mail, first class
postage prepaid, to the Holders, notice of any such Event of Default known to
the Guarantee Trustee, unless such Event of Default has been cured before the
giving of such notice, provided that, except in the case of a default in the
payment of a Guarantee Payment, the Guarantee Trustee shall be protected in
withholding such notice if and so long as the board of directors, the executive
committee or a trust committee of directors and/or Responsible Officers of the
Guarantee Trustee in good faith determines that the withholding of such notice
is in the interests of the Holders.

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

     Section 2.8. Conflicting Interests.

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

                                  ARTICLE III

              Powers, Duties and Rights of the Guarantee Trustee

     Section 3.1. Powers and Duties of the Guarantee Trustee.

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

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

     (c) The Guarantee Trustee, before the occurrence of any Event of Default
and after the curing of all Events of Default that may have occurred, shall
undertake to perform only such duties as are specifically set forth in this
Guarantee Agreement (including pursuant to Section 2.1), and no implied
covenants shall be read into this Guarantee Agreement against the Guarantee
Trustee. If an Event of Default has occurred (that has not been cured or waived
pursuant to Section 2.6), the Guarantee Trustee shall exercise such of the
rights and powers vested in it by this Guarantee Agreement, and use the same
degree of care and skill in its exercise thereof, as a prudent person would
exercise or use under the circumstances in the conduct of his or her own
affairs.

                                      -6-
<PAGE>
 
     (d) No provision of this Guarantee Agreement shall be construed to relieve
the Guarantee Trustee from liability for its own negligent action, its own
negligent failure to act or its own wilful misconduct, except that:

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

               (A) the duties and obligations of the Guarantee Trustee shall be
          determined solely by the express provisions of this Guarantee
          Agreement (including pursuant to Section 2.1), and the Guarantee
          Trustee shall not be liable except for the performance of such duties
          and obligations as are specifically set forth in this Guarantee
          Agreement (including pursuant to Section 2.1); and

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

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

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

          (iv) Subject to Section 3.1(b), no provision of this Guarantee
     Agreement shall require the Guarantee Trustee to expend or risk its own
     funds or otherwise incur personal financial liability in the performance of
     any of its duties or in the exercise of any of its rights or powers, if the
     Guarantee Trustee shall have reasonable grounds for believing that the
     repayment of such funds or liability is not reasonably assured to it under
     the terms of this Guarantee Agreement or adequate indemnity against such
     risk or liability is not reasonably assured to it.

     Section 3.2. Certain Rights of Guarantee Trustee.

     (a) Subject to the provisions of Section 3.1:

          (i) The Guarantee Trustee may rely and shall be fully protected in
     acting or refraining from acting upon any resolution, certificate,
     statement, instrument, opinion, report, notice, request, direction,
     consent, order, bond, debenture, note, other evidence of indebtedness or
     other paper or

                                      -7-
<PAGE>
 
     document reasonably believed by it to be genuine and to have been signed,
     sent or presented by the proper party or parties.

          (ii) Any direction or act of the Guarantor contemplated by this
     Guarantee Agreement shall be sufficiently evidenced by an Officers'
     Certificate unless otherwise prescribed herein.

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

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

          (v) The Guarantee Trustee shall be under no obligation to exercise any
     of the rights or powers vested in it by this Guarantee Agreement at the
     request or direction of any Holder unless such Holder shall have provided
     to the Guarantee Trustee such adequate security and indemnity as would
     satisfy a reasonable person in the position of the Guarantee Trustee
     against the costs, expenses (including attorneys' fees and expenses) and
     liabilities that might be incurred by it in complying with such request or
     direction, including such reasonable advances as may be requested by the
     Guarantee Trustee; provided that nothing contained in this Section
     3.2(a)(v) shall be taken to relieve the Guarantee Trustee, upon the
     occurrence of an Event of Default, of its obligation to exercise the rights
     and powers vested in it by this Guarantee Agreement.

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

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

          (viii) Whenever in the administration of this Guarantee Agreement the
     Guarantee Trustee shall deem it desirable to receive instructions with
     respect to enforcing any remedy or right or taking any other action
     hereunder, the Guarantee Trustee (A) may request instructions from the
     Holders,

                                      -8-
<PAGE>
 
     (B) may refrain from enforcing such remedy or right or taking such
     other action until such instructions are received, and (C) shall be
     protected in acting in accordance with such instructions.

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

     Section 3.3. Compensation; Indemnity; Fees.

     The Guarantor agrees:

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

          (c) to indemnify the Guarantee Trustee for, and to hold it harmless
     against, any loss, liability or expense incurred without negligence, wilful
     misconduct or bad faith on the part of the Guarantee Trustee, arising out
     of or in connection with the acceptance or administration of this Guarantee
     Agreement, including the costs and expenses of defending itself against any
     claim or liability in connection with the exercise or performance of any of
     its powers or duties hereunder.

The Guarantee Trustee will not claim or exact any lien or charge on any
Guarantee Payments as a result of any amount due to it under this Guarantee
Agreement.

The provisions of this Section 3.3 shall survive the termination of this
Guarantee Agreement or the resignation or removal of the Guarantee Trustee.

                                  ARTICLE IV

                               Guarantee Trustee

     Section 4.1. Guarantee Trustee; Eligibility.

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

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

                                      -9-
<PAGE>
 
          (ii) be a Person that is eligible pursuant to the Trust Indenture Act
     to act as such and has a combined capital and surplus of at least
     $50,000,000, and shall be a corporation meeting the requirements of Section
     310(a) of the Trust Indenture Act. If such corporation publishes reports of
     condition at least annually, pursuant to law or to the requirements of its
     supervising or examining authority, then, for the purposes of this Section
     4.1 and to the extent permitted by the Trust Indenture Act, the combined
     capital and surplus of such corporation shall be deemed to be its combined
     capital and surplus as set forth in its most recent report of condition so
     published.

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

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

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

     (a) Subject to Section 4.2(c), the Guarantee Trustee may be appointed or
removed at any time by the action of the Holders of a Majority in Liquidation
Amount of the Capital Securities delivered to the Guarantee Trustee and the
Guarantor (i) for cause or (ii) if a Debenture Event of Default (as defined in
the Trust Agreement) shall have occurred and be continuing at any time.

     (b) Subject to Section 4.2(c), the Guarantee Trustee may resign from office
(without need for prior or subsequent accounting) by giving written notice
thereof to the Holders and the Guarantor and by appointing a successor Guarantee
Trustee. The Guarantee Trustee shall appoint a successor by requesting from at
least three Persons meeting the requirements of Section 4.1(a) their expenses
and charges to serve as the Guarantee Trustee, and selecting the Person who
agrees to the lowest expenses and charges.

     (c) The Guarantee Trustee appointed hereunder shall hold office until a
Successor Guarantee Trustee shall have been appointed and shall have accepted
such appointment. No removal or resignation of a Guarantee Trustee shall be
effective until a Successor Guarantee Trustee has been appointed and has
accepted such appointment by written instrument executed by such Successor
Guarantee Trustee and delivered to the Guarantor and, in the case of any
resignation, the resigning Guarantee Trustee.

     (d) If no Successor Guarantee Trustee shall have been appointed and
accepted appointment as provided in this Section 4.2 within 60 days after
delivery to the Holders and the Guarantor of a notice of resignation, the
resigning Guarantee Trustee may petition, at the expense of the Guarantor, any
court of competent jurisdiction for appointment of a Successor Guarantee
Trustee. Such court may thereupon, after prescribing such notice, if any, as it
may deem proper, appoint a Successor Guarantee Trustee.

     (e) If a resigning Guarantee Trustee shall fail to appoint a successor, or
if a Guarantee Trustee shall be removed or become incapable of acting as
Guarantee Trustee and a replacement shall not be appointed prior to such
resignation or removal, or if a vacancy shall occur in the office of Guarantee
Trustee for any cause, the Holders of the Capital Securities, by the action of
the Holders of record of not less than 25% in aggregate Liquidation Amount (as
defined in the Trust Agreement) of the Capital Securities then Outstanding (as
defined in the Trust Agreement) delivered to such Guarantee Trustee, may appoint
a Successor Guarantee

                                      -10-
<PAGE>
 
Trustee or Trustees. If no successor Guarantee Trustee shall have been so
appointed by the Holders of the Capital Securities and accepted appointment, any
Holder, on behalf of such Holder and all others similarly situated, or any other
Guarantee Trustee, may petition any court of competent jurisdiction for the
appointment of a successor Guarantee Trustee.

                                   ARTICLE V

                                   Guarantee

     Section 5.1. Guarantee.

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

     Section 5.2. Waiver of Notice and Demand.

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

     Section 5.3. Obligations Not Affected.

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

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

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

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

                                      -11-
<PAGE>
 
          (d) the voluntary or involuntary liquidation, dissolution,
     receivership, insolvency, bankruptcy, assignment for the benefit of
     creditors, reorganization, arrangement, composition or readjustment of debt
     of, or other similar proceedings affecting, the Issuer Trust or any of the
     assets of the Issuer Trust;

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

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

          (g) any other circumstance whatsoever that might otherwise constitute
     a legal or equitable discharge or defense of a guarantor (other than
     payment of the underlying obligation), it being the intent of this Section
     5.3 that the obligations of the Guarantor hereunder shall be absolute and
     unconditional under any and all circumstances.

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

     Section 5.4. Rights of Holders.

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

     Section 5.5. Guarantee of Payment.

     This Guarantee Agreement creates a guarantee of payment and not of
collection. This Guarantee Agreement will not be discharged except by payment of
the Guarantee Payments in full (without duplication of amounts theretofore paid
by the Issuer Trust) or upon the distribution of Debentures to Holders as
provided in the Trust Agreement.

     Section 5.6. Subrogation.

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

                                      -12-
<PAGE>
 
amount shall be paid to the Guarantor in violation of the preceding sentence,
the Guarantor agrees to hold such amount in trust for the Holders and to pay
over such amount to the Holders.

     Section 5.7. Independent Obligations.

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

                                  ARTICLE VI

                          Covenants and Subordination

     Section 6.1. Subordination.

     The obligations of the Guarantor under this Guarantee Agreement will
constitute unsecured obligations of the Guarantor and will rank subordinate and
junior in right of payment to all Senior Indebtedness (as defined in the
Indenture) of the Guarantor to the extent and in the manner set forth in the
Indenture with respect to the Debentures, and the provisions of Article XIII of
the Indenture will apply, mutatis mutandis, to the obligations of the Guarantor
hereunder. The obligations of the Guarantor hereunder do not constitute Senior
Indebtedness (as defined in the Indenture) of the Guarantor.

     Section 6.2. Pari Passu Guarantees.

     The obligations of the Guarantor under this Guarantee Agreement shall rank
pari passu with the obligations of the Guarantor under (i) any similar guarantee
agreements issued by the Guarantor on behalf of the holders of preferred or
capital securities issued by any Issuer Trust (as defined in the Indenture),
(ii) the Indenture and the Securities (as defined therein) issued thereunder;
(iii) the Expense Agreement (as defined in the Trust Agreement) and any similar
expense agreements entered into by the Guarantor in connection with the offering
of Capital Securities (as defined in the Indenture) by any Issuer Trust (as
defined in the Indenture), and (iv) any other security, guarantee or other
agreement or obligation that is expressly stated to rank pari passu with the
obligations of the Guarantor under this Guarantee Agreement or with any
obligation that ranks pari passu with the obligations of the Guarantor under
this Guarantee Agreement.

                                  ARTICLE VII

                                  Termination

      Section 7.1. Termination.

     This Guarantee Agreement shall terminate and be of no further force and
effect upon (i) full payment of the Redemption Price (as defined in the Trust
Agreement) of all Capital Securities, (ii) the distribution of Debentures to the
Holders in exchange for all of the Capital Securities or (iii) full payment of
the amounts

                                      -13-
<PAGE>
 
payable in accordance with Article IX of the Trust Agreement upon liquidation of
the Issuer Trust. Notwithstanding the foregoing, this Guarantee Agreement will
continue to be effective or will be reinstated, as the case may be, if at any
time any Holder is required to repay any sums paid with respect to Capital
Securities or this Guarantee Agreement.

                                 ARTICLE VIII

                                 Miscellaneous

     Section 8.1. Successors and Assigns.

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

     Section 8.2. Amendments.

     Except with respect to any changes that do not adversely affect the rights
of the Holders in any material respect (in which case no consent of the Holders
will be required), this Guarantee Agreement may only be amended with the prior
approval of the Holders of not less than a Majority in Liquidation Amount of the
Capital Securities. The provisions of Article VI of the Trust Agreement
concerning meetings of the Holders shall apply to the giving of such approval.

     Section 8.3. Notices.

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

     (a) if given to the Guarantor, to the address or telecopy number set forth
below or such other address or telecopy number as the Guarantor may give notice
to the Guarantee Trustee and the Holders:

          State Street Boston Corporation
          225 Franklin Street
          Boston, Massachusetts 02110
          Attention: Secretary
          Telecopy: 617-664-4006

     (b) if given to the Guarantee Trustee, at the Issuer Trust's address or
telecopy number set forth below or such other address or telecopy number as the
Guarantee Trustee may give notice to the Guarantor and Holders:

                                      -14-
<PAGE>
 
          The First National Bank of Chicago
          One First National Bank Plaza, Suite 0126
          Chicago, Illinois  60670
          Attention: Corporate Trust Administration
          Telecopy: 312-407-1708

     with a copy to:

          State Street Institutional Capital B
          c/o State Street Bank and Trust Company, N.A.
          61 Broadway, 15th Floor
          New York, New York  10005
          Attention: Administrators

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

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

     Section 8.4. Benefit.

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

     Section 8.5. Governing Law.

     THIS GUARANTEE AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE
WITH THE LAWS OF THE STATE OF NEW YORK.

     Section 8.6. Counterparts.

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

                                      -15-
<PAGE>
 
     IN WITNESS WHEREOF, the parties hereto have executed this Guarantee
Agreement as of the day and year first above written.


                                    State Street Boston Corporation


                                    By:/s/ Ronald L. O'Kelley
                                       --------------------------------
                                       Name:  Ronald L. O'Kelley
                                       Title: Executive Vice President


                                    The First National Bank of Chicago,
                                    as Guarantee Trustee


                                    By:/s/ Richard D. Manella
                                       --------------------------------
                                       Name:  Richard D. Manella
                                       Title: Vice President

                                      -16-


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