UNITED PAYORS & UNITED PROVIDERS INC
SC 13D, 1999-03-08
SERVICES, NEC
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<PAGE>
 
                                                      OMB APPROVAL
                                                      __________________________
                        UNITED STATES                 OMB Number 3235-0145
             SECURITIES AND EXCHANGE COMMISSION       Expires: August 31, 1999
                   WASHINGTON, D.C.  20549            Estimated average burden
                                                      hours per form. . . .14.90
                                                      --------------------------
                     
                                 SCHEDULE 13D

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934


                    UNITED PAYORS & UNITED PROVIDERS, INC.
- - --------------------------------------------------------------------------------
                               (Name of Issuer)


                                 Common Stock
- - --------------------------------------------------------------------------------
                        (Title of Class of Securities)

                                  911319 10 1
         -------------------------------------------------------------
                                (CUSIP Number)

    Edward S. Civera, 2275 Research Boulevard, Rockville, Maryland 20850, 
                                 301-548-1000
- - --------------------------------------------------------------------------------
(Name, Address and Telephone Number of Person Authorized to Receive Notices and
                                Communications)

                               February 25, 1999
        --------------------------------------------------------------
            (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition which is the subject of this Schedule 13D, and is filing this
schedule because of Sections 240.13(d)-1(e), 240.13d-1(f) or 240.13d-1(g), check
the following box [ ].

 
                                                                 SEC 300 (07-98)
<PAGE>
 
                                  SCHEDULE 13D
- - -----------------------                             ----------------------------
CUSIP No. 911319 10 1                                 Page 2 of 6 Pages
- - -----------------------                             ----------------------------

- - --------------------------------------------------------------------------------
 1  NAME OF REPORTING PERSON
    I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)
 
      Independent Divestment Trust
- - --------------------------------------------------------------------------------
 2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*      (a) [ ]
                                                           (b) [ ]
- - --------------------------------------------------------------------------------
 3  SEC USE ONLY
- - --------------------------------------------------------------------------------
 4  SOURCE OF FUNDS*
 
      OO
- - --------------------------------------------------------------------------------
 5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
    ITEMS 2(d) or 2(e)                                                     [ ]
- - --------------------------------------------------------------------------------
 6  CITIZENSHIP OR PLACE OF ORGANIZATION
      
      Delaware
- - --------------------------------------------------------------------------------

                 7  SOLE VOTING POWER
   NUMBER OF
    SHARES      ----------------------------------------------------------------
 BENEFICIALLY    8  SHARED VOTING POWER  
   OWNED BY                             
     EACH             4,500,000           
   REPORTING    ----------------------------------------------------------------
    PERSON       9  SOLE DISPOSITIVE POWER 
     WITH
                ----------------------------------------------------------------
                10  SHARED DISPOSITIVE POWER
 
                      4,500,000
- - --------------------------------------------------------------------------------
11  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
      4,500,000 Shares
- - --------------------------------------------------------------------------------
12  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  [ ]
 
- - --------------------------------------------------------------------------------
13  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11);
    
      25.6%
- - --------------------------------------------------------------------------------
14  TYPE OF REPORTING PERSON

      OO
- - --------------------------------------------------------------------------------
<PAGE>
 
Item 1.   Security and Issuer.
          ------------------- 

     This Schedule 13D (this "Schedule") relates to the shares of common stock,
par value $.01 per share, ("Common Stock") of United Payors & United Providers,
Inc. (the "Company"), a corporation organized under the laws of the state of
Delaware.  The principal executive offices of the Company are located at 2275
Research Boulevard, Rockville, Maryland 20850.

Item 2.   Identity and Background.
          ----------------------- 

     (a) This Schedule is being filed by Independent Divestment Trust (the
"Trust").

     (b) Its address is in care of Edward S. Civera, President and Chief
Operating Officer, United Payors & United Providers, Inc., 2275 Research
Boulevard, Rockville, Maryland 20850, solely in its capacity as Servicer of
Independent Divestment Trust.

     (c) The Trust is a Delaware business trust.  The trustee of the Trust is
Wilmington Trust Company (as Trustee for Independent Divestment Trust), Rodney
Square North, 1100 North Market Street, Wilmington, DE 19890-0001, Attention:
Corporate Trust Administration. The Trust was formed to effect the transactions
discussed in this Schedule 13D.

     (d) The Trust has never been convicted in a criminal proceeding (excluding
traffic violations or similar misdemeanors).

     (e) During the past five years, the Trust has not been a party to a civil
proceeding of a judicial or administrative body of competent jurisdiction and as
a result of such proceeding was or is subject to a judgment, decree or final
order enjoining future violations of, or prohibiting or mandating activities
subject to, federal or state securities laws or finding any violation with
respect to such laws.

     (f) The Trust is a Delaware business trust.
 
Item 3.   Source and Amount of Funds or Other Consideration.
          --------------------------------------------------

     For the shares of Common Stock sold to the Trust by Principal HealthCare,
Inc., an indirect, wholly owned subsidiary of Principal Mutual Holding Company
(collectively, "Principal Mutual"), the Trust paid $13,225,000 and issued Trust
Certificates entitling Principal Mutual to the remaining proceeds from the sale
of the Trust Shares.  The Trust received the cash from Thomas L. Blair, Chairman
of the Board and Chief Executive Officer of the Company pursuant to the
Securities Purchase Agreement discussed in Items 5 and 6 below.  The Trust is
the issuer of the Trust Certificates.
<PAGE>
 
Item 4.   Purpose of Transaction.
          -----------------------

     In light of the Company's proposed acquisition of a federal savings bank,
Principal Mutual is divesting its control of the Company within the meaning of
the Savings and Loan Holding Company Act.  Principal Mutual already is a savings
and loan holding company.  The transactions discussed in this Schedule effect a
significant reduction in Principal Mutual's ownership of Common Stock.
 
     Except as disclosed in response to Items 5 and 6 below, the Trust has no
plans or proposals which relate to or would result in any of the actions
referred to in the text of Item 4 of Schedule 13D.

Item 5.   Interest in Securities of the Issuer.
          ------------------------------------ 

     (a) The Trust holds an aggregate of 4,500,000 shares of Common Stock (the
"Trust Shares"), 25.6% of outstanding shares.  The Trust has contracted to sell
the Trust Shares to Mr. Blair, pursuant to the Securities Purchase Agreement
discussed in Items 5 and 6 below.

     (b) The Trust currently has the power to vote the Trust Shares; however,
the Trust is required to vote the Trust Shares as discussed in Item 6 below.  In
light of the directions regarding voting, the Trust considers that it has shared
voting power.

     The Trust has the power to dispose of the Trust Shares, however, pursuant
to the Securities Purchase Agreement discussed in Items 5 and 6 below the Trust
is obligated to sell the Trust Shares to Mr. Blair.  As a result, the Trust
considers that it has shared dispositive power.

     (c) During the past sixty days, the Trust has effected the following
purchases and sales of shares of Common Stock:

     On February 25, 1999, the Trust acquired the Trust Shares from Principal
Mutual, paid Principal Mutual $13,225,000 and issued Trust Certificates to
Principal Mutual, which entitle Principal Mutual to the remaining proceeds from
the sale of the Trust Shares by the Trust. Simultaneously, on February 25, 1999,
the Trust entered into a Securities Purchase Agreement with Mr. Blair.  Pursuant
to this Securities Purchase Agreement, the Trust received the $13,225,000 from
Mr. Blair and Mr. Blair agreed to purchase and the Trust agreed to sell the
Trust Shares to Mr. Blair.  The purchase price to be paid by Mr. Blair for the
Trust Shares is a maximum of $27.60 per share (less $2.94 per share representing
the allocable per share portion of the $13,225,000 already paid), subject to
possible adjustment, as set forth in the Securities Purchase Agreement.

     (d) Any dividends paid on the Trust Shares would reduce the purchase price
of the Trust Shares under the Securities Purchase Agreement.

                                       4
<PAGE>
 
Item 6.   Contracts, Arrangements, Understandings, or Relationships with Respect
          ----------------------------------------------------------------------
to Securities of the Issuer.
- - --------------------------- 

     The Securities Purchase Agreement is discussed in Item 5 above.

     While it holds Trust Shares, the Trust is required to vote the Trust Shares
in the same proportion as all other shares of Common Stock voted by the
Company's other stockholders on any matter submitted to a vote of stockholders;
except that the Trust is directed to vote the Trust Shares for certain
amendments to the Company's Certificate of Incorporation submitted by the Board
of Directors for approval by stockholders at the next Annual Meeting of
Stockholders. These amendments would (i) delete the prohibition on stockholder
action by written consent, the "Business Combination" section which imposes
significant impediments to business combination type transactions involving
greater than 10% stockholders, which are not approved by the Board of Directors,
and the provision which allows the Board of Directors to consider non-
stockholder constituencies in evaluating certain transactions; and (ii) reduce
from 80% to 66 2/3% the stockholder vote required to remove directors for cause
and make certain amendments to the Certificate of Incorporation and Bylaws.

     For more detailed information regarding these various agreements see
Item 7. The foregoing discussion is qualified in its entirety by reference to
the Exhibits.

Item 7.   Material to be Filed as Exhibits.
          -------------------------------- 

          A.  Amended and Restated Trust Agreement, dated as of February 25,
              1999 between Wilmington Trust Company, as the Trustee, and
              Principal HealthCare, Inc., as the Transferor and the initial
              Holder.

          B. Securities Purchase Agreement between Independent Divestment Trust
             and Thomas L. Blair

                                       5
<PAGE>
 
                                   SIGNATURE
                                   ---------

     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.



                                 Independent Divestment Trust

                                 By:  United Payors & United Providers, Inc.,
                                      solely in its capacity as Servicer under
                                      the Amended and Restated Trust Agreement
                                      for Independent Divestment Trust, dated
                                      February 25, 1999.


                                 /s/ Edward S. Civera
                                 -----------------------------------------
                                 By: Edward S. Civera
                                     President and Chief Operating Officer
                                     United Payors & United Providers, Inc.

Date: March 8, 1999

                                       6

<PAGE>
 
                                                                  EXECUTION COPY
                                                                  --------------

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

                         INDEPENDENT DIVESTMENT TRUST

                     





                     AMENDED AND RESTATED TRUST AGREEMENT,

                         dated as of February 25, 1999



                                    between



                           WILMINGTON TRUST COMPANY,

                                as the Trustee,



                                      and



                          PRINCIPAL HEALTH CARE, INC.,

                    as the Transferor and the initial Holder

================================================================================
<PAGE>
 
                                      TABLE OF CONTENTS
                                      -----------------



<TABLE>
<CAPTION>
                                                                                                         Pages (s)
<S>                       <C>                                                                                  <C>
Article 1 Definitions.........................................................................................  1
Article 2 Creation of Trust...................................................................................  2
        Section 2.1   Creation of Trust, Appointment of the Trustee and Related Matters.......................  2
        Section 2.2   Transfer of Securities to the Trust.....................................................  2
        Section 2.3   Acceptance by the Trustee...............................................................  3
        Section 2.4   Title to Trust Assets...................................................................  3
        Section 2.5   Situs of Trust..........................................................................  3
        Section 2.6   Purpose and Powers......................................................................  3
        Section 2.7   Tax Reporting...........................................................................  4
        Section 2.8   No Filing...............................................................................  5
        Section 2.9   Document Authorization..................................................................  5
Article 3 Closing Conditions; Sale of Securities; Substitutions...............................................  6
        Section 3.1   Closing Conditions......................................................................  6
                3.1.1 Basic Documents.........................................................................  6
                3.1.2 Accounts................................................................................  6
                3.1.3 Legal Opinions..........................................................................  6
Article 4 REPRESENTATIONS AND WARRANTIES......................................................................  6
        Section 4.1   Representations and Warranties of the Transferor........................................  6
               4.1.1  Organization; Powers....................................................................  6
               4.1.2  Due Authorization and Binding Obligation................................................  7
               4.1.3  No Conflicts............................................................................  7
               4.1.4  No Proceedings..........................................................................  7
               4.1.5  Access; Accredited Investor.............................................................  7
               4.1.6  No Distribution.........................................................................  8
               4.1.7  Regulation of the Trust.................................................................  8
        Section 4.2   Representations and Warranties of WTC...................................................  8
               4.2.1  Organization and Good Standing..........................................................  8
               4.2.2  Corporate Power.........................................................................  8
               4.2.3  Consents and Approvals..................................................................  9
               4.2.4  Execution and Delivery; Binding Obligation..............................................  9
Article 5 Voting of the Securities............................................................................  9
        Section 5.1   Authority to Vote the Securities........................................................  9
        Section 5.2   Tender Offers........................................................................... 10
        Section 5.3   Mergers and other Transactions.......................................................... 10
Article 6 Certificates........................................................................................ 10
        Section 6.1   The Certificates........................................................................ 10
</TABLE>
                                       i
<PAGE>
<TABLE>
<CAPTION>
<S>                   <C>                                                                                 <C>
        Section 6.2   Authorized Denominations..........................................................  11
Article 7 Registration; Transfer of Certificates, Etc.; Restrictions on Transfer........................  11
        Section 7.1   Registration of Transfer and Exchange of Certificates.............................  11
        Section 7.2   Restrictions on Transfer of Certificates..........................................  13
        Section 7.3   Mutilated, Destroyed, Lost or Stolen Certificates.................................  15
        Section 7.4   Persons Deemed Owners.............................................................  16
        Section 7.5   Appointment of Paying Agent.......................................................  16
        Section 7.6   Access to List of Holders' Names and Addresses....................................  16
Article 8 The Administrator.............................................................................  17
        Section 8.1   Appointment of Transferor.........................................................  17
        Section 8.2   Duties of Administrator...........................................................  17
        Section 8.3   Administrator Exculpation.........................................................  17
Article 9 Accounts, Accountings, Distributions;  Custodian and Releases.................................  17
        Section 9.1   Collection of Money...............................................................  17
        Section 9.2   Accounts..........................................................................  18
        Section 9.3   Procedures Relating to Securities.................................................  18
        Section 9.4   Reports by the Trustee; Regulatory Reporting......................................  19
        Section 9.5   Accountings.......................................................................  19
               9.5.1  Preparation of Accounting.........................................................  19
               9.5.2  Payment Date Accounting and Trust Report..........................................  19
               9.5.3  Regulation T, U, X Information....................................................  20
        Section 9.6   Reports by Independent Accountants................................................  20
        Section 9.7   Statement as to Compliance........................................................  21
Article 10 [RESERVED]...................................................................................  21
Article 11 SPA Mechanics................................................................................  21
        Section 11.1  Settlement of the SPA; Sale of Securities.........................................  21
Article 12 Actions After SPA Purchase...................................................................  22
        Section 12.1  Applications of SPA Proceeds......................................................  22
        Section 12.2  Purchase of Reinvestment Securities...............................................  22
Article 13 Application of Monies........................................................................  23
        Section 13.1  Payment Dates; Sales of Assets; and Distributions of Monies from Custody Account..  23
        Section 13.2  Distributions of Monies from Custody Account......................................  24
        Section 13.3  Taxes.............................................................................  24
Article 14 Redemption Events............................................................................  25
        Section 14.1  Partial Redemption................................................................  25
Article 15 The Trustee .................................................................................  25
        Section 15.1  Duties of the Trustee.............................................................  25
        Section 15.2  Certain Rights of the Trustee.....................................................  27
        Section 15.3  The Trustee Not Responsible for the Certificates..................................  29
</TABLE>
                                      ii
<PAGE>
<TABLE> 
<CAPTION> 
<S>                    <C>                                                                                <C>
        Section 15.4   The Trustee May Own Certificates, etc............................................   29
        Section 15.5   Eligibility Requirements for the Trustee.........................................   30
        Section 15.6   Resignation or Removal of the Trustee............................................   30
        Section 15.7   The Successor Trustee............................................................   31
        Section 15.8   Merger or Consolidation of the Trustee...........................................   31
        Section 15.9   The Trustee May Enforce Claims Without Possession of Certificates................   31
        Section 15.10  Rights of Holders to Direct the Trustee..........................................   32
        Section 15.11  Maintenance of Office or Agency..................................................   32
        Section 15.12  The Trustee as Paying Agent and Registrar........................................   32
        Section 15.13  Activities as Tax Matters Partner................................................   32
        Section 15.14  Compensation and Reimbursement...................................................   33
        Section 15.15  No Longer Deemed Trust Assets....................................................   33
        Section 15.16  Trustee Servicing in Other Capacities............................................   33
Article 16 Amendments and Termination...................................................................   34
        Section 16.1   Amendment........................................................................   34
        Section 16.2   Dissolution and Termination......................................................   35
        Section 16.3   Final Payment to Holders.........................................................   36
Article 17 Miscellaneous Provisions.....................................................................   37
        Section 17.1   [RESERVED].......................................................................   37
        Section 17.2   Inspection Rights................................................................   37
        Section 17.3   Limitation on Rights of Holders..................................................   37
        Section 17.4   Liability of Holders.............................................................   38
        Section 17.5   Governing Law....................................................................   38
        Section 17.6   Notices..........................................................................   38
        Section 17.7   Severability of Provisions.......................................................   39
        Section 17.8   Certificates Nonassessable and Fully Paid........................................   39
        Section 17.9   No Waiver; Cumulative Remedies...................................................   39
        Section 17.10  Counterparts.....................................................................   39
        Section 17.11  Third-Party Beneficiaries........................................................   39
        Section 17.12  Actions by Holders...............................................................   39
        Section 17.13  Merger and Integration...........................................................   40
        Section 17.14  Effect of Headings and Table of Contents.........................................   40
</TABLE> 
                             APPENDIX AND EXHIBITS

Appendix A     Definitions
Exhibit 6.1    Form of Certificate

                                      iii
<PAGE>
 
Exhibit 7.2.4-A       Form of Transferee Certificate (Rule 144A)
Exhibit 7.2.4-B       Form of Transferee Certificate (Regulation S)
Exhibit 7.2.5-A       Form of Transferor Certificate (Rule 144A)
Exhibit 7.2.5-B       Form of Transferor Certificate (Regulation S)
Exhibit 9.5.2         Form of Trust Report

                                      iv
<PAGE>
 
                     AMENDED AND RESTATED TRUST AGREEMENT

     This AMENDED AND RESTATED TRUST AGREEMENT (this "Agreement") is entered
into as of February 25, 1999 (the "Closing Date") by and between PRINCIPAL
HEALTH CARE, INC., an Iowa corporation (the "Transferor"), as the Transferor and
the initial Holder, and WILMINGTON TRUST COMPANY, a Delaware banking corporation
(the "Trustee"), as the Trustee, with reference to the following facts:

                             PRELIMINARY STATEMENT

     A.  The parties hereto have previously entered into a certain Trust
Agreement dated as of January 8, 1999 (the "Original Agreement"), which the
parties hereto wish to amend and restate in its entirety.

     B.  On the Closing Date, subject to the terms of this Agreement, the Trust
shall purchase and accept the Securities from the Transferor in exchange for (i)
the Certificates and (ii) the Cash Amount.

     C.  On the Closing Date, the Trust will enter into the SPA pursuant to
which the Trust shall be obligated to sell and the SPA Purchaser shall be
obligated to buy the Securities.

     In consideration of the mutual agreements herein contained, each party
agrees that the Original Agreement be amended and restated in its entirety to
read as follows:

                                    Article
                                  Definitions

     Except as otherwise specified herein or as the context may otherwise
require, terms used in this Agreement shall have the respective meanings set
forth in Appendix A annexed hereto for all purposes of this Agreement.  The
words "hereof," "herein" and "hereunder" and words of similar import when used
in this Agreement shall refer to this Agreement as a whole and not to any
particular provision of this Agreement; and Article, Section, Schedule and
Exhibit references contained in this Agreement are references to Articles,
Sections, Schedules and Exhibits in or to this Agreement unless otherwise
specified.

                                    Article
                               Creation of Trust

    Section 2.   Creation of Trust, Appointment of the Trustee and Related
                 Matters.

            2.1. The parties hereby ratify the creation of the Independent
Divestment Trust 

                                       1
<PAGE>
 
and the filing of the Certificate of Trust pursuant to the Original Agreement.
At the direction of the Transferor, the Trustee is authorized to make, execute
and file in Delaware such certificates of amendment with respect to the
Certificate of Trust as may be necessary or desirable to comply with Section
3810 of the Business Trust Statute, including any amendment required to correct
the effective date of the Trust, to correct clerical errors and to make such
ministerial changes as may be required and not inconsistent with this Agreement.

            2.1.   The Transferor hereby ratifies its appointment of the Trustee
as trustee of the Trust, to have all the rights, powers and duties set forth
herein. The Trustee hereby accepts such appointment and declares that it will
hold the Trust Assets held by it upon the trusts set forth herein and for the
use and benefit of the Holders.

            2.1.   Effective as of the date hereof, the Trustee shall have all
the rights, powers and duties set forth herein and, to the extent not
inconsistent herewith, in the Business Trust Statute with respect to
accomplishing the purposes of the Trust.

            2.1.   It is the intention of the parties hereto that the trust
created by this Agreement constitute a business trust under the Business Trust
Statute and that this Agreement constitute the governing instrument of such
business trust. It is the intention of the parties that the Holders shall not
have any interest in the property of the Trust other than an undivided
beneficial interest as provided in Section 3805(a) of the Business Trust
Statute. It is intended that, solely for Federal income tax purposes, () during
any period in which there is a single Holder, the Trust will be disregarded and
not treated as an entity separate from such Holder, and () during any period in
which there are two or more Holders, the Trust will be treated as a partnership
between or among such Holders. This Agreement is not intended to create an
association taxable as a corporation. The provisions hereof shall be interpreted
accordingly, each party hereto agrees to treat the Trust for Federal income tax
purposes consistent with such intention, and no party hereto shall take a
contrary position for Federal income tax purposes. For each period during which
there is more than one Holder, all items of income, gain, loss, deduction and
credit shall be allocated among the Holders in proportion to the Aggregate
Certificate Principal Amount of the Certificates held by a particular Holder as
a percentage of the Aggregate Certificate Principal Amount of all Outstanding
Certificates.

     Section 2.    Transfer of Securities to the Trust. On the Closing Date, 
the Transferor shall transfer all of its right, title and interest in and to the
Securities to the Trust and, in consideration therefor, the Trust shall (a)
issue and deliver to the Transferor one or more Certificates representing 100.0%
of the Certificates to be issued by the Trust in an amount equal to the Initial
Aggregate Certificate Principal Amount and (b) pay the Cash Amount to the
Transferor by wire or interbank transfer according to instructions received from
the Transferor on or before the Closing Date.

     Section 2.    Acceptance by the Trustee. The Trustee hereby acknowledges 
its 

                                       2
<PAGE>
 
acceptance on behalf of the Trust of all right, title and interest in and to
the Securities transferred by the Transferor pursuant to Section 2.2 and
declares that, subject to the terms and conditions hereof, it shall maintain the
Securities and all other Trust Assets for the benefit of the Holders in
accordance with their interests as set forth herein.

     Section 2.    Title to Trust Assets.  Title to all of the Trust Assets
shall be vested in the Trust until this Agreement terminates pursuant to Article
16; provided, however, that if the Laws of any jurisdiction require that title
to any part of the Trust Assets be vested in a trustee of the Trust, then title
to that part of the Trust Assets shall be deemed to be vested in the Trustee.

     Section 2.    Situs of Trust. The principal office of the Trust shall be at
the Corporate Trust Office of the Trustee within the State of Delaware. Nothing
in this Section 2.5 shall limit the authority of the Trustee to conduct its
activities as the Trustee from offices within or without the State of Delaware.

                                       3
<PAGE>
 
     Section 2.    Purpose and Powers.

           2.6.    The purpose of the Trust is to engage in the following
activities:  () to execute, deliver and perform the Divestment and Common Stock
Sale Agreement, the SPA, the Custody Agreement, and the other Basic Documents to
which the Trust (or the Trustee, on behalf of the Trust) is a party; () to
acquire the Securities () to purchase, acquire, own, sell, hold, endorse,
finance, invest in, transfer, convey, assign, grant, mortgage, pledge, exchange,
advance and collect funds pursuant to and otherwise deal with and exercise or
acquire all rights, powers, privileges and all other incidents of ownership or
possession with respect to the Securities, Eligible Investments and other Trust
Assets to the extent permitted by this Agreement or the other Basic Documents;
() to assign, grant, transfer and convey the Trust Assets (including the
Eligible Investments purchased by the Trust) pursuant to this Agreement and the
SPA and to hold, manage and distribute to the Holders and the SPA Purchasers,
pursuant to the terms of this Agreement and the SPA, any Trust Assets; () to
authorize, execute, authenticate, issue, sell and deliver the Certificates; (f)
to open, maintain and close bank, money market and other accounts, including the
power to draw checks or other orders for the payment of moneys, and to invest
such funds temporarily; (g) to open, maintain and close accounts with brokers,
and to pay the fees and charges applicable to transactions related thereto; (h)
to bring or defend actions and Proceedings at law or in equity or before any
Governmental Authority related to the activities of the Trust; (i) to
participate, to the extent permitted by Law and otherwise by this Agreement, in
the corporate governance of Persons whose obligations or securities or interests
therein have been acquired by the Trust; (j) to employ such Persons (including
accountants, attorneys, investment advisors, trust administrators or managers
and appraisers) or appoint an advisory board or otherwise retain outside
consultants as the Trust deems advisable for the conduct of its business, on
such terms and for such reasonable compensation as the Trustee may determine;
(k) to perform the obligations of the Trust under this Agreement and to enter
into and perform its obligations under the other Basic Documents to which it is
a party; (l) to register and operate itself as a savings and loan holding
company under the Home Owners' Loan Act, as amended, (m) to engage in those
activities, including entering into agreements that are necessary, suitable or
convenient to accomplish the foregoing or are incidental thereto or connected
therewith; (n) subject to compliance with the Basic Documents, to engage in such
other activities as may be required in connection with the conservation of the
Trust Assets and the making of distributions to the Holders; (o) to incur, have
outstanding or guarantee obligations as provided under this Agreement; and (p)
to enter into, make and perform all contracts, to engage in any activity and to
exercise any powers permitted to Delaware business trusts under any Laws of the
State of Delaware which are incidental to, or connected with, the foregoing an
which are necessary, suitable or convenient to accomplish the foregoing.

           2.6.    The Trust is authorized to engage in the activities referred
to in Section 2.6.1. The Trust shall not engage in any other activity other than
in connection with the foregoing or other than as is required or authorized by
the terms of this Agreement or the other Basic 

                                       4
<PAGE>
 
Documents. The authority granted to the Trustee hereunder to bind the Trust
shall be limited to actions necessary or convenient to this business.

     Section 2.    Tax Reporting. The Trustee will provide each Holder with such
information as it may reasonably request in connection with the preparation and
filing of any Federal, state, local or foreign income or franchise tax return of
the Holder, or any audit or contest relating thereto. For any period during
which there are two or more Holders, the Trustee shall cause to be prepared and
timely file, on behalf of the Trust, Internal Revenue Service Form 1065 (and
comparable state or local income or franchise tax forms, if any, required to be
filed by the Trust) in accordance with the provisions of Section 2.1.4, and
shall timely provide each such Holder with a Form K-1 reflecting such Holder's
allocable share of the income, gain, loss, deduction and credits reported on
such Form 1065. For any period during which there are two or more Holders, the
Holder with the largest Percentage Interest in the Trust shall be considered the
"Tax Matters Partner" for Federal income tax purposes; provided, however, that
all duties and obligations of the Tax Matters Partner shall be, and hereby are,
irrevocably delegated to the Trustee, who shall be responsible for executing any
agreement or other documents with respect to or affecting tax matters including
extending the statute of limitations for assessment of tax deficiencies and
adjusting the Federal, state or local income of the Trust. The Tax Matters
Partner shall execute such powers of attorney or other forms as may be required
to implement the foregoing provisions of this Section 2.7.

     Section 2.    No Filing. TO THE FULLEST EXTENT PERMITTED BY LAW, WITHOUT 
THE AFFIRMATIVE VOTE OF UNANIMOUS HOLDERS AND THE EXPRESS WRITTEN CONSENT OF THE
TRUSTEE, NEITHER THE TRUST NOR THE TRUSTEE SHALL HAVE THE RIGHT, POWER, OR
AUTHORITY TO INSTITUTE OR CONSENT TO THE INSTITUTION OF PROCEEDINGS FOR THE
TRUSTEE (IN SUCH CAPACITY) OR THE TRUST TO BE ADJUDICATED BANKRUPT OR INSOLVENT
OR SUBJECT TO RECEIVERSHIP OR ANY SIMILAR PROCEEDING, OR FILE A PETITION
SEEKING, OR CONSENT TO, REORGANIZATION OR RELIEF UNDER ANY FEDERAL OR STATE LAW
RELATING TO BANKRUPTCY, INSOLVENCY, RECEIVERSHIP, OR LIQUIDATION, OR CONSENT TO
THE APPOINTMENT OF A RECEIVER, LIQUIDATOR, ASSIGNEE, TRUSTEE, SEQUESTRATOR (OR
OTHER SIMILAR OFFICIAL) OF THE TRUSTEE (IN SUCH CAPACITY), THE TRUST OR A
SUBSTANTIAL PART OF ITS PROPERTY, OR MAKE ANY ASSIGNMENT FOR THE BENEFIT OF
CREDITORS, OR ADMIT IN WRITING THE TRUSTEE'S (IN SUCH CAPACITY) OR THE TRUST'S
INABILITY TO PAY ITS DEBTS GENERALLY AS THEY BECOME DUE, OR TAKE ACTION IN
FURTHERANCE OF ANY SUCH ACTION; PROVIDED, HOWEVER, NO PROVISION OF THIS
AGREEMENT OR ANY TRUST CERTIFICATE OR ANY OTHER AGREEMENT, DOCUMENT OR
INSTRUMENT RELATING TO THE TRUST IS INTENDED TO, NOR SHALL ANY 

                                       5
<PAGE>
 
SUCH PROVISION, RESTRICT OR OTHERWISE AFFECT IN ANY WAY ANY RIGHT, POWER,
AUTHORITY OR AUTHORIZATION OF THE TRUSTEE UNDER DELAWARE LAW. BY ITS ACCEPTANCE
OF ITS TRUST CERTIFICATE, THE TRANSFEROR AND EACH HOLDER IS DEEMED TO
IRREVOCABLY WAIVE ANY RIGHT OR INTEREST IT MAY HAVE UNDER THIS AGREEMENT, BY
OPERATION OF LAW OR EQUITY, TO DIRECT OR OTHERWISE REQUIRE THE TRUSTEE TO
INITIATE OR CONSENT TO ANY BANKRUPTCY, INSOLVENCY OR RECEIVERSHIP PROCEEDINGS OR
SIMILAR ACTIONS AS DESCRIBED ABOVE, IT BEING EXPRESSLY UNDERSTOOD THAT ANY SUCH
ACTION BY THE TRUSTEE SHALL BE UNDERTAKEN OR REFRAINED FROM, IN THE TRUSTEE'S
SOLE AND ABSOLUTE DISCRETION, WITHOUT REGARD TO ANY RIGHTS OR INTERESTS THE
HOLDERS OR ANY OTHER PERSONS MAY HAVE.

     Section 2.    Document Authorization.  Notwithstanding anything in this
Agreement to the contrary, () the Trustee is hereby authorized and directed to
execute and deliver on behalf of the Trust, and the Trust is hereby authorized
to perform its obligations under, the Divestment and Common Stock Sale
Agreement, the SPA and the other Basic Documents to which the Trust (or the
Trustee on behalf of the Trust) is a party, () the Trustee is hereby authorized
and directed to execute on behalf of the Trust, and the Trust is hereby
authorized to issue, sell and perform its obligations under, the Certificates to
be issued on the Closing Date to the Transferor, and () such execution,
delivery, performance, issuance and sale does not and shall be deemed not to
violate any terms or provisions of this Agreement.

                                    Article
             Closing Conditions; Sale of Securities; Substitutions

     Section 3.    Closing Conditions.  On the Closing Date, the Certificates to
be issued to the Transferor (or its designated nominee) shall be executed and
authenticated by the Trustee on behalf of the Trust, issued by the Trust and
delivered by the Trustee to the Transferor, upon satisfaction of the following
conditions:

             3.1.  Basic Documents.  The Trustee shall have received 
counterparts of this Agreement executed by the Trustee and the Transferor and
each of the other Basic Documents, executed by the parties thereto, and all
conditions to the effectiveness of the Divestment and Common Stock Sale
Agreement and the SPA shall have been satisfied.

            3.1.   Accounts. The Trust shall have established the Custody 
Account.
            3.1.   Legal Opinions.  The Trustee and the Transferor shall have
received opinions of Counsel of Clint Woods, Esq., Counsel to the Principal
Financial Group, Richards, Layton & Finger, P.A. and Muldoon, Murphy & Faucette,
LLP, counsel to the SPA Purchaser, 

                                       6
<PAGE>
 
each dated as of the Closing Date and in form and substance reasonably
acceptable to the parties hereto and the SPA Purchaser.

            3.1.   The Trustee and the Transferor shall have received such other
documents as the they may reasonably require.

                                     Article
                         REPRESENTATIONS AND WARRANTIES

     Section 4.    Representations and Warranties of the Transferor.  The
Transferor hereby represents and warrants, as of the Closing Date that:

           4.1.  Organization; Powers.  The Transferor is a corporation duly
organized and validly existing under the Laws of its jurisdiction of
incorporation.  The Transferor has all requisite power and authority to enter
into the Basic Documents to which it is a party and to carry out the
transactions contemplated therein, including the legal right to execute, deliver
and perform its obligations under this Agreement, transfer the Securities to the
Trust and acquire and hold the Certificates.

          4.1.  Due Authorization and Binding Obligation.  The execution,
delivery and performance by the Transferor of this Agreement has been duly
authorized by all necessary corporate action on the part of the Transferor.
This Agreement has been duly executed and delivered by the Transferor and
constitutes the legally valid and binding obligation of the Transferor,
enforceable against the Transferor in accordance with its terms, except as may
be limited by bankruptcy, insolvency, receivership, conservatorship,
liquidation, reorganization, moratorium or similar Laws relating to or affecting
creditors' rights generally and by general principles of equity.

          4.1.  No Conflicts.  The execution, delivery and performance by the
Transferor of this Agreement and the other Basic Documents to which the
Transferor is a party, and the consummation of the transactions contemplated in
this Agreement and the other Basic Documents, do not and will not () violate any
provision of any Law applicable to the Transferor, the articles of incorporation
or bylaws of the Transferor or any order, judgment or decree of any court or
other agency of government binding on the Transferor, except for such violations
as individually or collectively will not have a Material Adverse Effect on the
Transferor or result in any Lien on the Securities, () conflict with, result in
a breach of or constitute (with due notice or lapse of time or both) a default
under any material contractual obligation of the Transferor, except for such
conflicts or defaults as individually or collectively will not have a Material
Adverse Effect on the Transferor or result in any Lien on the Securities, or ()
require any approval or consent of any Person under any contractual obligation
of the Transferor, except for such approvals or consents (x) that have been
obtained as of the Closing Date, or (y) the absence of

                                       7
<PAGE>
 
which will not individually or collectively have a Material Adverse Effect on
the Transferor or result in any Lien on the Securities.

          4.1.     No Proceedings.  There is no Proceeding, or governmental
investigation (whether or not purportedly on behalf of the Transferor) at law or
in equity or before or by any Governmental Authority, whether domestic or
foreign, pending or, to the Actual Knowledge of the Transferor, threatened
against or affecting the Transferor or any property of the Transferor which, ()
if adversely determined, could reasonably be expected to have a Material Adverse
Effect on the Transferor or result in a Lien on the Securities, () is asserting
the invalidity of this Agreement, the Certificates or any of the other Basic
Documents, or () is seeking to prevent the issuance or sale of the Certificates.
Except for such exceptions as will not individually or collectively result in a
Material Adverse Effect on the Transferor or result in any Lien on the
Securities, the Transferor is not () in violation of any requirements of Law or
() subject to or in default with respect to any final judgment, writ,
injunction, decree, rule or regulation of any court or other Governmental
Authority, whether domestic or foreign.

          4.1.     Access; Accredited Investor.  The Transferor has received all
information that it has requested concerning the Certificates, the Trust and the
Trust Assets and any other matters relevant to its decision to acquire the
Certificates.  The Transferor () is an Accredited Investor, () constitutes a
Qualified Purchaser, and () has sufficient knowledge and experience in financial
and business matters to be capable of evaluating the merits and risks of
investing in, and is able and prepared to bear the economic risk of investing in
and holding, the Certificates.

          4.1.     No Distribution. The Transferor is purchasing the 
Certificates for its own account, for investment purposes only and not with a
view to distribution, but nevertheless subject to the understanding that the
disposition of its property shall at all times be and remain within its control.

          4.1.     Regulation of the Trust.  On consummation of the transfer 
of the Securities to the Trust, the issuance of the Certificates, and entry by
the Trust into the Basic Documents to which it is a party, to the Actual
Knowledge of the Transferor, the Trust is not an "investment company" or
"controlled" by an "investment company" within the meaning of the Investment
Company Act.

     Notwithstanding the foregoing, any representation or warranty made by the
Transferor in regard to the compliance by the Transferor and the transactions
contemplated herein with the Investment Company Act and the Securities Act is
subject to the assumption that all representations and warranties of the SPA
Purchaser contained in Section 5 of the SPA are true and correct.  The
representations and warranties set forth in this Section 4.1 are made as of the
Closing Date, but shall survive the transfer of the Securities to the Trust and
the receipt of the Certificates by the Transferor.

                                       8
<PAGE>
 
     Section 4. Representations and Warranties of WTC.  WTC hereby represents
and warrants as of the Closing Date that:

          4.2.  Organization and Good Standing.  WTC is a banking corporation
organized under the Laws of the jurisdiction of its incorporation, validly
existing and in good standing under the Laws of the State of its incorporation
and has all corporate powers and all material governmental licenses,
authorizations, consents and approvals required under Federal Law governing its
banking or trust powers and the Laws of the State of Delaware to carry on its
trust business as now conducted.

          4.2.  Corporate Power.  The execution, delivery and performance by
WTC, in its individual capacity and in its capacity as the Trustee, of this
Agreement, and the execution on behalf of the Trust of the Certificates, the
Divestment and Common Stock Sale Agreement, the SPA and the other Basic
Documents to which the Trustee, on behalf of the Trust, is party, in each case
by WTC, as Trustee pursuant to this Agreement, are within the corporate power of
WTC, have been duly authorized by all necessary corporate action on the part of
WTC (no action by its shareholders being required) and do not and will not ()
violate or contravene any judgment, injunction, order or decree binding on WTC
or () violate, contravene or constitute a default under any provision of the
charter or by-laws of WTC or of any material agreement, contract, mortgage or
other instrument binding on WTC or () result in the creation or imposition of
any lien on any Trust Assets which is attributable to WTC and is not related to
the administration of the Trust or the transactions pursuant to this Agreement
or contemplated in this Agreement.
  
          4.2.  Consents and Approvals.  Other than such filing of the
Certificate of Trust as has been made, the filing of any necessary amendment to
the Certificate of Trust, and the filing of a certificate of cancellation as
described in Section 16.2, no other consent, approval, authorization or order
of, or filing with, any Governmental Authority is required by or with respect to
WTC under the Laws of the State of Delaware in connection with the execution,
delivery and performance by WTC, in its individual capacity and in its capacity
as the Trustee, of this Agreement or the execution on behalf of the Trust of the
Certificates by WTC, as the Trustee, pursuant to this Agreement or the
consummation by WTC, as the Trustee, of the transactions contemplated herein or
therein (except as may be required by Delaware securities and insurance Laws).

          4.2.  Execution and Delivery; Binding Obligation.  This Agreement has
been duly executed and delivered by WTC and constitutes the legally valid and
binding obligation of WTC, enforceable against WTC in accordance with its terms,
except as may be limited by the bankruptcy, insolvency, reorganization,
moratorium and other similar Laws and equitable principles relating to or
limiting creditors' rights generally and by general principles of equity.

The representations and warranties set forth in this Section 4.2 are made as of
the Closing Date, but shall survive the transfer of the Securities to the Trust
and the receipt of the Certificates by 

                                       9
<PAGE>
 
the Transferor.

                                    ARTICLE
                            VOTING OF THE SECURITIES

     Section 5.  Authority to Vote the Securities.  On or before the date on
which the Securities are sold by the Trust in accordance with this Agreement,
the Trustee shall have the exclusive right to vote the Securities in any matter
on which the holders of the common stock of the Issuer are entitled to vote.
The Holders shall have no ability to direct the Trustee to vote the Securities
in any manner.  Rather, in connection with each separate matter on which the
holders of the Securities are entitled to vote (it being agreed that the Trustee
shall not initiate any proxy solicitation), the Trustee shall vote the
Securities as described below:

          5.1.  The Trustee is directed to vote, directly or through a proxy, in
favor of a proposal submitted to the stockholders of the Issuer at its 1999
Annual Meeting of Stockholders, by or on behalf of the Board of Directors of the
Issuer which would (i) delete from the Issuer's Certificate of Incorporation
Article Fifth, Section C (which prohibits stockholder action by written
consent), Article Eighth (which imposes restrictions on transactions with
"Interested Stockholders"), and Article Ninth (which allows the Board of
Directors to consider non-stockholder constituencies in evaluating certain
business transactions) and (ii) amend Article Sixth, Section D (which specifies
the conditions for removal of Directors), Article Seventh (which specifies the
methods for amending the Issuer's bylaws), and Article Twelfth (which specifies
the methods for amending the Issuer's Certificate of Incorporation) to require
in each case a 66-2/3% stockholder vote rather than the 80% stockholder vote
presently specified therein; and

          5.1.  On all matters submitted to stockholders for their vote, other
than those specified in Section 5.1.1 above, the Trustee shall give a proxy to
the Secretary of the Issuer, directing such Secretary to vote the Securities
then held by the Trust in the same proportion as the votes received from the
other holders of common stock of the Issuer entitled to vote on such matter.

     Section 5.  Tender Offers.  In the event that a Person other than the SPA
Purchaser makes an offer to the holders of the Issuer's common stock to purchase
such common stock (a "Tender Offer"), the Trustee shall follow the SPA
Purchaser=s directions as to whether to tender the Securities so long as the SPA
remains in effect and the SPA Purchaser is not in default thereunder.
Otherwise, the Trustee shall tender the Securities in response to any Tender
Offer so long as the Board of Directors of the Issuer has not recommended
against such tender.  If the SPA Purchaser or any of his Affiliates makes a
Tender Offer, the Trustee shall tender the Securities only if the cash component
of the offer price exceeds the maximum potential price payable for the
Securities under the SPA.

                                       10
<PAGE>
 
     Section 5.  Mergers and other Transactions.  In the event that the Issuer
becomes the subject of a merger or other corporate transaction of a type
contemplated in the SPA, the Trustee shall comply with the requirements set
forth for such event in the SPA so long as the SPA is still in effect at the
time and the SPA Purchaser is not in default thereunder.  If the SPA is no
longer in effect or the SPA Purchaser is in default thereunder, the provisions
of Section 5.1 or Section 5.2, as applicable, shall govern.


                                    ARTICLE
                                  CERTIFICATES

     Section 6.  The Certificates.  The Certificates shall be substantially in
the form of Exhibit 6.1.  Each Certificate shall be executed on behalf of the
Trust by manual or facsimile signature of a Responsible Officer of the Trustee.
Certificates bearing the signature of the individual who was, at the time when
such signature was affixed, authorized to sign on behalf of the Trustee shall
not be rendered invalid, notwithstanding that such individual has ceased to be
so authorized before the authentication and delivery of such Certificates or
does not hold such office at the date of such Certificates.  No Certificate
shall be entitled to any benefit under this Agreement, or be valid for any
purpose, unless there appears on such Certificate a certificate of
authentication substantially in the form provided for herein, executed by or on
behalf of the Trustee by the manual signature of a duly authorized signatory,
and such executed certificate of authentication upon any Certificate shall be
conclusive evidence, and the only evidence required, that such Certificate has
been duly authenticated and delivered hereunder.  All Certificates shall be
dated the date of their authentication.  THE TRUST CERTIFICATES SHALL BE
SECURITIES GOVERNED BY THE PROVISIONS OF ARTICLE 8 OF THE UCC.

     Section 6.  Authorized Denominations.  The Certificates shall be issued in
minimum denominations of $5,000,000 and integral multiples of $500,000 in excess
thereof; provided, that one Certificate (each such Certificate, the "Odd Lot
Certificate") may be issued in a different amount, greater than the minimum
denomination, so that the sum of the denominations of all outstanding
Certificates shall equal the Initial Aggregate Certificate Principal Amount on
the Closing Date.

                                    ARTICLE
                 REGISTRATION; TRANSFER OF CERTIFICATES, ETC.;
                            RESTRICTIONS ON TRANSFER

     Section 7. Registration of Transfer and Exchange of Certificates.

          7.1.  The Trust shall cause there to be a transfer agent and registrar
(the 

                                       11
<PAGE>
 
"Registrar") with respect to the Certificates.  The Registrar shall
maintain, at its office in the State of Delaware, a register (the "Register") in
which, subject to such reasonable regulations as it may prescribe and the terms
of this Agreement, it shall provide for the registration of Transfers and
exchanges of the Certificates.

          7.1.  The Trustee is hereby initially appointed Registrar.  The
Trustee shall be permitted to resign as Registrar upon 30 days' written notice
to the Holders; provided, however, that such resignation shall not be effective
and the Trustee shall continue to perform its duties as Registrar until the
Trustee has appointed a successor Registrar having an office in the State of
Delaware acceptable to the Majority Holders.

          7.1.  If a Person other than the Trustee is appointed by the Trust as
Registrar, the Trust shall give the Holders prompt written notice of the
appointment of such Person as Registrar and of the location, and any change in
the location, of the Register.  The Trustee shall have the right to inspect the
Register at all reasonable times and to obtain copies thereof, and shall have
the right to rely upon a certificate executed on behalf of the Registrar by a
Responsible Officer thereof as to the names and addresses of the Holders, and
the principal amounts and numbers of their Certificates.

          7.1.  Subject to the restrictions on transfer and exchange set forth
in Section 7.2 and any relevant legend on the Certificates, the holder of any
Certificate may Transfer or exchange the same in whole or in part by
surrendering such Certificate at any office or agency of the Registrar
maintained for that purpose (or, if the Registrar is the Trustee, at its
Corporate Trust Office).

          7.1.  Every Certificate presented or surrendered for registration of
Transfer shall be accompanied by a written instrument of transfer in a form
reasonably satisfactory to the Trustee and the Registrar, duly executed by the
Holder thereof or its attorney duly authorized in writing.

          7.1.  Following a proper request for Transfer or exchange, including
compliance with the requirements of Section 7.2, the Registrar shall, within
five Business Days of such request made at an appropriate place, cause the Trust
to execute, the Trustee to authenticate and the Registrar to deliver at the
Corporate Trust Office, to the transferee (in the case of Transfer) or Holder
(in the case of exchange) or send by first-class mail at the risk of the
transferee (in the case of Transfer) or Holder (in the case of exchange) to such
address as the transferee or Holder, as applicable, may request, a Certificate
or Certificates for a like Aggregate Certificate Principal Amount, and in such
authorized denomination or denominations as may be requested; provided, if an
Odd Lot Certificate has been tendered for Transfer or exchange, one such
Certificate may be issued in a different amount, greater than the minimum
denomination (reduced by any distributions which have reduced the Certificate
Principal Amount of such Certificate), such that 

                                       12
<PAGE>
 
the sum of the amounts of the Certificates issued are in like amount to those
tendered for Transfer or exchange.

          7.1.  No service charge shall be made for any registration of Transfer
or exchange of any Certificate, but the Registrar may require payment of a sum
sufficient to cover any Tax reasonably likely to be imposed in connection with
any such Transfer or exchange or any expenses incurred in connection therewith.

          7.1.  The Trust reserves the right with respect to any Certificate
that has been Transferred, if it reasonably believes (after consultation with a
Holder and based on an Opinion of Counsel) that, because the Holder is or was
not a Qualified Purchaser, the ownership of any such Certificate may result in
the Trust being held in violation of the Investment Company Act to () withdraw
any such Certificate from the Register, () withhold payments due on any such
Certificate, () decline to register the Transfer of any such Certificate, or ()
require the sale of any such Certificate.  The Registrar shall take any such
action directed by the Trustee in writing.

          7.1.  All Certificates surrendered for registration of Transfer or
exchange shall be cancelled by the Registrar and disposed of in a manner
satisfactory to the Trustee or retained by the Trustee, in accordance with its
standard retention policy.

          7.1.  All Certificates issued upon any registration of Transfer or
exchange of Certificates shall be the valid issuances of the Trust evidencing
the same interests, and entitled to the same benefits under this Agreement, as
the Certificates surrendered upon such registration of Transfer or exchange.

     Section 7. Restrictions on Transfer of Certificates.

          7.2.  None of the Certificates have been or will be registered or
qualified under the Securities Act or any applicable state securities Laws and
are being offered only in a transaction not involving any public offering within
the meaning of the Securities Act.  Transfers of the Certificates will be
subject to the restrictions set forth in this Section 7.2, and the Certificates
will bear appropriate legends (the "Securities Legend") to the above effect.
The Trustee will refuse to register a Transfer of any Certificates not made in
accordance with the provisions of Regulation S, pursuant to registration under
the Securities Act, or pursuant to an available exemption from registration.

          7.2.  By acceptance of a Certificate, whether upon original issuance
or later Transfer, each Holder thereof acknowledges the restrictions on the
Transfer of such Certificate set forth in the Securities Legend and in this
Section 7.2, and agrees that it will Transfer such Certificate only as provided
therein and herein.

          7.2.  No Transfer of any Certificate or any interest therein shall be
permitted to 

                                       13
<PAGE>
 
any transferee which is not a Qualified Purchaser.

          7.2.  No Transfer of any Certificate or any interest therein shall be
made unless such Transfer is made in accordance with the provisions of
Regulation S under the Securities Act, pursuant to registration under the
Securities Act, or pursuant to an available exemption from registration, and
provided such Transfer does not require registration under or qualification
under applicable state securities Laws.  The Trustee and the Registrar shall
require, before allowing the registration of Transfer by the Registrar, the
proposed transferee to deliver to the Trustee an Officer's Certificate (the
"Transferee Certificate") of the transferee reasonably satisfactory to the
Trustee certifying that such Transfer is being made pursuant to an exemption
from registration under the Securities Act and applicable state securities Laws
and that such transferee is a Qualified Purchaser.  The Transferee Certificate
shall be substantially in the form of either Exhibit 7.2.4-A or 7.2.4-B.  Any
such Transferee Certificate shall be obtained at the expense of the prospective
transferor or transferee, and not at the expense of the Trustee, and shall be
delivered to the Trustee before or contemporaneously with any such Transfer.

          7.2.  In addition to complying with the provisions of Section 7.2.4,
if the Transfer is made to a "Qualified Institutional Buyer," the Trustee and
Registrar shall require, before allowing the registration of any Transfer of a
Certificate, that the Holder deliver to the Trustee a certificate relating to
such Transfer substantially in the form of Exhibit 7.2.5-A, or if the Transfer
is made pursuant to Regulation S under the Securities Act, that the Holder
deliver to the Trustee a certificate relating to such Transfer substantially in
the form of Exhibit 7.2.5-B (in either case, the "Transferor Certificate").  The
Transferee Certificates and the Transferor Certificates furnished pursuant to
Section 7.2.4 and this Section 7.2.5 may be relied on conclusively by the
Trustee in determining whether the provisions of Section 7.2.4 and this Section
7.2.5 have been complied with.  None of the Trustee or any other person shall be
required or obligated to register any Transfer of Certificates in contravention
of any provision of the Securities Act or any state securities Laws.

          7.2.  No Certificate may be sold or Transferred by any Holder unless
(a) the prospective transferee represents in the Transferee Certificate that the
funds being used to pay the purchase price for the Certificates, as applicable,
to be purchased by it are solely from one or more of the sources set forth in
the section of such Transferee Certificate entitled "ERISA Sources" and
referring to this Section 7.2.6, and (b) the Trustee shall have reasonably
determined based upon the following procedures that such sale or Transfer would
not be in violation of, or result in a prohibited transaction under, ERISA.  If
the Source used by a proposed transferee to acquire a Certificate is identified
pursuant to paragraph (1), (2), (3), (4), (5) or (6) of such "ERISA Sources" and
no plans are identified in paragraph (8) of such "ERISA Sources", the Trustee
shall be entitled to assume the sale or Transfer does not constitute a
"prohibited transaction" and shall permit the sale or Transfer of such
Certificate unless the Trustee determines that the Transfer would otherwise
violate ERISA.  If the Source of funds used by a proposed 

                                       14
<PAGE>
 
transferee to acquire a Certificate is identified pursuant to paragraph (7) of
such "ERISA Sources" or any Plans are identified in paragraph (8) of such "ERISA
Sources", the Trustee shall not permit the sale or Transfer of such Certificate
unless the proposed transferee has delivered to the Trustee an Opinion of
Counsel, in form and substance reasonably satisfactory to the Trustee, provided
at the proposed transferee's own expense and before such Transfer stating that
such Transfer or sale would not constitute a non-exempt "prohibited transaction"
under Section 406 of ERISA or Section 4975 of the Code.

          7.2.  In addition to the restrictions contained in Section 7.2.6 and
elsewhere in this Agreement, no Certificate may be sold or transferred
(including by pledge or hypothecation) to a proposed transferee if such proposed
transferee has represented in the Transferee Certificate delivered pursuant to
Section 7.2.4 that it is a Benefit Plan Investor or a Controlling Person unless
such transferee provides, at its expense and before such transfer, () an Opinion
of Counsel to the effect that, after giving effect to such proposed Transfer,
Benefit Plan Investors would own less than 25% of the Certificates, as
applicable (determined in accordance with the Plan Asset Regulation), excluding
the Certificates held by Controlling Persons, or () an Opinion of Counsel to the
effect that such sale or Transfer would not make the Trust Assets "plan assets"
as defined in the Plan Asset Regulation.  The Trustee shall not permit the sale
or Transfer of a Certificate if it determines, based on such Opinion of Counsel,
that such sale or Transfer would result in the violation of the foregoing
restrictions.  The Trustee may rely on any facts set forth in the Transferee
Certificate and in any other certificate furnished by the prospective transferee
in determining whether the provisions of Section 7.2.6 and this Section 7.2.7
have been satisfied, and shall be fully protected in acting or refraining from
acting in good faith in accordance therewith and in reliance on any Opinion of
Counsel unless it shall be proven that the Trustee was grossly negligent in
ascertaining the pertinent facts.

          7.2.  Notwithstanding any terms herein to the contrary, the Trustee
shall not be responsible for ascertaining whether any Transfer complies with, or
otherwise to monitor or determine compliance with, the requirements or terms of
the Securities Act, applicable state securities Laws, ERISA, the Code or the
Investment Company Act; except that if a certificate is specifically required by
the terms of this Section 7.2 to be provided to the Trustee by a prospective
transferee or transferor, the Trustee shall be under a duty to receive and
examine the same to determine whether it conforms on its face to the applicable
requirements of this Section 7.2.

                                       15
<PAGE>
 
     Section 7.  Mutilated, Destroyed, Lost or Stolen Certificates.

          7.3.  If () any mutilated Certificate is surrendered to the Registrar,
or the Registrar receives evidence to its reasonable satisfaction of the
destruction, loss or theft of such Certificate, and () there is delivered to the
Registrar and the Trust such security or indemnity as may be required by them to
save each of them harmless (an unsecured indemnity agreement of an Institutional
Investor organized under the Laws of the United States or any State in the
United States with a net worth at least equal to $100,000,000 being deemed
sufficient to satisfy such security or indemnity requirement), then, in the
absence of Actual Knowledge on the part of the Trustee that such Certificate has
been acquired by a protected purchaser or a holder in due course, the Trust
shall execute, and the Trustee shall authenticate and deliver, on behalf of the
Trust in exchange for or in lieu of any such mutilated, destroyed, lost or
stolen Certificate, a new Certificate of like tenor and denomination, bearing a
number not contemporaneously outstanding.

          7.3.  In connection with the issuance of any new Certificate under
this Section 7.3, the Trustee or the Registrar may require the payment by the
Holder of a sum sufficient to cover any Taxes, fees or expenses (including the
reasonable fees and expenses of the Trustee or the Registrar) connected
therewith.

          7.3.  Except as provided in Section 7.3.5, every duplicate Certificate
issued pursuant to this Section 7.3 in lieu of any mutilated, destroyed, lost or
stolen Certificate shall constitute an original additional contractual
obligation of, or beneficial interest in, the Trust, as applicable, whether or
not the destroyed, lost or stolen Certificate shall be at any time enforceable
by anyone, and shall be entitled to all the benefits of this Agreement equally
and proportionately with any and all other Certificates duly issued hereunder.

          7.3.  The provisions of this Section 7.3 are exclusive and shall
preclude (to the extent lawful) all other rights and remedies with respect to
the replacement or payment of mutilated, destroyed, lost or stolen Certificates.

          7.3.  If, after the delivery of such new Certificate, a protected
purchaser or holder in due course of the original Certificate in lieu of which
such new Certificate was issued presents such original Certificate for Transfer
or payment, the Trustee shall be entitled to recover such new Certificate from
the Person to whom it was delivered or any Person taking title therefrom, except
a protected purchaser or holder in due course, and shall be entitled to recover
upon the security or indemnity provided therefor to the extent of any Loss
incurred by the Registrar or the Trust.

     Section 7.  Persons Deemed Owners.  The Trustee, the Paying Agent, the
Registrar and any agent of any of them may treat the Person in whose name any
Certificate is registered as the owner of such Certificate for the purpose of
receiving payments or distributions pursuant to Sections 13.2 or 16.3 and for
all other purposes whatsoever, and neither the Trustee, the Paying Agent, the
Registrar nor any agent of any of them shall be affected by any notice to the
contrary.

                                       16
<PAGE>
 
     Section 7.  Appointment of Paying Agent.  The Paying Agent shall be the
Trustee or, after acceptance of its appointment and so long as it shall serve,
any Eligible Depository Institution appointed by the Trustee.  The Paying Agent
shall make distributions to the Holders from the Custody Account as contemplated
by Section 13.2.  Any Paying Agent shall have the revocable power to withdraw
funds from the Custody Account for the purpose of making distributions referred
to above.  The Trustee may revoke such power and remove any Paying Agent if the
Trustee determines in its sole discretion that the Paying Agent shall have
failed to perform its obligations under this Agreement in any material respect.
The Paying Agent shall be permitted to resign as Paying Agent upon 30 days=
written notice to the Trustee and the Holders; provided, however, that such
resignation shall not be effective and the Paying Agent shall continue to
perform its duties until the Trustee has appointed, and such appointment has
been accepted by, a successor Paying Agent.  The Trustee shall cause the
resigning Paying Agent and each successor Paying Agent to execute and deliver to
the Trustee an instrument in which such resigning or successor Paying Agent or
additional Paying Agent shall agree with the Trustee that, as Paying Agent, such
resigning or 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 Trustee and upon removal
shall also return all funds in its possession to the Trustee.

     Section 7.  Access to List of Holders' Names and Addresses.  The Registrar
shall furnish to the Paying Agent, within five Business Days after receipt of a
request therefor from the Paying Agent, in writing, a list in such form as the
Paying Agent may reasonably require, of the names and addresses of the Holders.

                                    Article
                               The Administrator

     Section 8.  Appointment of Transferor.  The Transferor hereby reaffirms its
appointment of Ms. Bette B. Anderson, as set forth in the Original Agreement, to
serve as the Administrator of the Trust.  The Administrator shall possess and
exercise only the authority and powers expressly granted in this Trust Agreement
and any amendments hereto.  In the event the Administrator is removed from such
position, resigns or is otherwise unable to continue to serve in such position,
then the Transferor shall appoint a successor that is mutually agreed upon by
the Transferor and the Issuer to serve as administrator.  The Administrator can
be removed from serving in such position only upon the mutual agreement of the
Transferor and the Issuer.  The Administrator may resign upon thirty days prior
notice to the Transferor and the Issuer.  If no successor has been appointed
within such thirty day period, the Administrator may, at the expense of the
Trust, petition a court of competent jurisdiction to appoint a successor
Administrator.

     Section 8.  Duties of Administrator.  The Administrator is hereby
authorized and 

                                       17
<PAGE>
 
directed to (a) prepare, execute and deliver any appropriate application(s) with
the Office of Thrift Supervision ("OTS"), requesting approval from the OTS for
the Trust to become a unitary savings and loan holding company by acquiring up
to 5,750,000 shares of the Issuer (the "Holding Company Application"), (b)
execute and deliver any other document or instrument necessary or incidental
thereto, and (c) take any other actions necessary or incidental thereto,
including the submission of any required application fees. The Transferor shall
be responsible for all fees required in connection with filing the Holding
Company Application to the extent not paid by the Issuer or by the SPA
Purchaser.

      Section 8.  Administrator Exculpation.  In accepting and performing her
duties hereby created, the Administrator shall act solely in such capacity
hereunder and not in her individual capacity, and all persons having any claim
against the Administrator by reason of the transactions contemplated by this
Trust Agreement shall look only to the Trust's property for payment or
satisfaction thereof.  Furthermore, all exculpatory provisions set forth in this
Agreement for the benefit of the Trustee also shall apply for the benefit of the
Administrator mutatis mutandis.

                                    Article
                     Accounts, Accountings, Distributions;
                             Custodian and Releases

     Section 9.  Collection of Money.  Except as otherwise expressly provided
herein, the Trustee may demand payment or delivery of, and shall receive and
collect, all money and other property payable to or receivable by the Trust or
the Trustee pursuant to this Agreement.  The Trustee shall segregate and hold
all such money and property received by it in trust and shall apply it as
provided in this Agreement.

     Section 9.  Accounts.

          9.2.  Initially, the "Custodian" shall be the Trustee, in which case
this Agreement shall be considered the Custody Agreement, and the Trustee shall
administer its duties as the Custodian in accordance with the provisions of this
Agreement, and shall receive the full protections of this Agreement applicable
to the Trustee.  The Trustee may appoint a successor Custodian by entering into
a Custody Agreement with such Person.  Any successor Custodian shall be an
Eligible Institution which has capital and surplus of at least $100,000,000.

          9.2.  The Trustee shall, on the Closing Date establish a Securities
Account (such account, the "Custody Account") in the name of the Trust.  The
Trustee shall promptly deposit or transfer all Collections into the Custody
Account.  Other than as expressly provided for in this Agreement, all
Collections deposited shall be held without interest, and the Trustee shall be
under no liability for interest on any money received by it hereunder.

                                       18
<PAGE>
 
          9.2.  Except as provided with respect to Reinvestment Securities, the
Trustee shall use reasonable efforts to invest and reinvest, at the risk and
expense of the Trust, funds in the Custody Account for the credit of the Custody
Account in Eligible Investments maturing on or immediately before the expected
Payment Dates.  Notwithstanding any other provision of this Agreement, the
Trustee shall have no liability for the results of, or for losses on, any
investment or reinvestment made if in accordance with this Agreement.

          9.2.  All disbursements to be made by the Trustee in accordance with
the provisions of Article 13 shall be made out of the funds in the Custody
Account.

          9.2.  Each Security or other item of Investment Property acquired or
held by the Trust shall be transferred for credit to the Custody Account to be
held for the Trust.  Any securities or other Investment Property acquired and
held in certificated form, or registered in the name of the Trust, shall be
delivered (together with appropriate transfer documents) to the Corporate Trust
Office of, or otherwise transferred to, the Custodian for credit to the Custody
Account.

     Section 9.  Procedures Relating to Securities.  Without limiting the
foregoing, the Trust shall cause the Custodian to take such different or
additional action as may be reasonably required to maintain the Trust's rights
in the Trust Assets in the event of any change in Law, including Articles 8 and
9 of the UCC or the regulations of the Department of the Treasury governing
transfers of interests in Treasury Securities.

     Section 9.  Reports by the Trustee; Regulatory Reporting.

          9.4.  The Trustee shall supply in a timely fashion upon written
request to any Holder copies of any other information that any Holder may
reasonably request from time to time that is in the possession of the Trustee by
reason of its acting as the Trustee hereunder.  Nothing in this Section 9.4
shall be construed to prevent the Trustee from undertaking to provide any
additional service upon such terms as it and the Majority Holders may agree.
Nothing herein shall be construed to obligate the Trustee to disclose any
information concerning its business or its operations which it reasonably
considers confidential in nature.

          9.4.  The Issuer is hereby appointed as servicer to the Trust, and in
such capacity shall be solely responsible for all filings by the Trust under,
and all other compliance by the Trust with, all federal and state bank
regulatory and securities laws other than the filing of the Holding Company
Application and related documents and instruments to the extent allocated to the
Administrator pursuant to Article 8.  The Issuer agrees that it shall not have
the ability to resign as servicer.  The Trustee, however, may remove the Issuer
as servicer if, in the opinion of the Trustee or its counsel, the Issuer has not
fulfilled any of its duties as servicer.  If the Trustee removes the Issuer as
servicer, the Unanimous Holders shall appoint a replacement servicer whose fees
and expenses shall be Administrative Expenses hereunder.

                                       19
<PAGE>
 
     Section 9.  Accountings.

          9.5.   Preparation of Accounting.  The Trustee shall use reasonable
efforts to cause any accounting provided for in this Section 9.5 to be made by
the applicable Payment Date.  Notwithstanding the foregoing, the Trustee shall
have no liability for any failure or delay on its part in making payment on any
Payment Date due to its failure or inability to complete the accounting required
hereunder in good form on or before the date when due below except for any such
failure or delay due to the Trustee's gross negligence or willful misconduct as
determined by a final judgment of a court of competent jurisdiction.

          9.5.   Payment Date Accounting and Trust Report.  With respect to each
Calculation Date, the Trustee shall render an accounting and shall prepare a
report in substantially the form of Exhibit 9.5.2 (the "Trust Report"),
determined as of such Calculation Date, but taking into account cash flows
expected to be received by the Trust on or before the related Payment Date, to
be delivered to the Holders not later than the Business Day immediately
preceding the related Payment Date.  The Trust Report shall contain the
following information and instructions:

             9.5.2.1  The Aggregate Certificate Principal Amount of the
          Certificates as of the Calculation Date and such amount expressed as a
          percentage of the Initial Aggregate Certificate Principal Amount, the
          amount of principal payments, if any, to be made on the Certificates
          on the Payment Date relating to such Calculation Date and the
          Aggregate Certificate Principal Amount of the Certificates after
          giving effect to such principal payments and such amount expressed as
          a percentage of the Initial Aggregate Certificate Principal Amount.

             9.5.2.2  Any Trustee Administrative Expenses or Administrative
          Expenses payable on the Payment Date relating to such Calculation Date
          on an itemized basis.

             9.5.2.3  For the Custody Account:

                    9.5.2.3.1  the Value in the Custody Account as of such
          Calculation Date;

                    9.5.2.3.2  the amounts payable from the Custody Account
          pursuant to Section 13.2 on the Payment Date relating to such
          Calculation Date (in the aggregate and under each priority provision
          included in such subsection); the Trustee shall make such distribution
          from the available funds in the Custody Account in the manner
          specified, and in accordance with the priorities established, in
          Article 13;

                                       20
<PAGE>
 
                    9.5.2.4.3  the Value remaining in the Custody Account
          immediately after giving effect to all payments to be made on the
          Payment Date relating to such Calculation Date; and

             9.5.2.5  the nature, source and amount of any Collections in the
          Custody Account.

          9.5.  Regulation T, U, X Information.  Upon request of any Holder, the
Trust shall supply such Holder with such information as such Holder may
reasonably request in order for such Holder to comply with Regulation T, U or X
of the Board of Governors of the Federal Reserve System.

     Section 9. Reports by Independent Accountants.

          9.6.  On the Closing Date the Trustee on behalf of the Trust shall
execute and deliver an appointment of PricewaterhouseCoopers LLP as the firm of
Independent certified public accountants to prepare and deliver the reports or
certificates of such Independent certified public accountants required by this
Agreement.  Upon any resignation by such firm, the Trustee on behalf of the
Trust shall promptly appoint by a notice in writing, delivered to the Holders, a
successor thereto that shall also be a firm of Independent certified public
accountants of recognized national reputation.  The fees of the Accountants and
any successor shall be payable by the Trust.

          9.6.  On or before April 1 in each year commencing April 1, 2000, the
Trustee shall cause to be delivered to the Holders and the SPA Purchasers ()
financial statements prepared in accordance with GAAP and audited by the
Accountants, and () a statement addressed to the Trust from the Accountants
indicating () that such firm has reviewed any Trust Report delivered hereunder
for the fiscal year or period, and () that the calculations within such Trust
Report have been performed in accordance with the applicable provisions of this
Agreement and with GAAP.

     Section 9.  Statement as to Compliance.  On or before April 1 in each
calendar year, commencing April 1, 2000, the Trustee shall deliver to the
Holders an Officer's Certificate of a Responsible Officer of the Trustee stating
that:

          9.7.  a review of the activities of the Trust during such year and of
the Trust's performance under this Agreement has been made under his/her
supervision; and

          9.7.  to her/his Actual Knowledge, based on such review, the Trust has
fulfilled all of its obligations in all material respects under this Agreement
throughout such year, or, if there has been a default in the fulfillment of any
such obligation, specifying each such default and the nature and status thereof.

                                       21
<PAGE>
 
                                    ARTICLE
                                   [RESERVED]


                                    ARTICLE
                                 SPA MECHANICS

     Section 11.  Settlement of the SPA; Sale of Securities.

          11.1.   Effective on each Early Closing Date, the Event Closing Date
or the Maturity Closing Date (as such terms are defined in the SPA), if the
conditions precedent to sale of the Securities have been satisfied, the Trustee
shall sell the portion of the Securities to be sold on such date to the SPA
Purchaser in the manner described in the SPA. To the extent that the SPA
Purchaser defaults in respect of any of its obligations under the SPA to
purchase Securities on the Event Closing Date or the Maturity Closing Date the
Trust shall sell the Securities as promptly as is reasonably practicable in
accordance with the advice of a financial advisor to be chosen in the manner set
forth below (such advisor being herein called the "DEALER-ADVISOR"). In
connection therewith, the Trust shall solicit bids to act as a dealer-advisor to
the Trust from three nationally recognized securities dealers or investment
banks and shall engage the dealer offering the lowest bid to be the Dealer-
Advisor. The Trust shall pay the Dealer-Advisor, from the Trust Assets, the fees
set forth in the Dealer-Advisor's bid accepted as described above. In connection
with the sale of the Securities the Trust shall have the authority to pay any
reasonable fees, commissions or spreads imposed by any intermediaries involved
in such sale, including (if chosen) WTC or any of its Affiliates.

          11.1.  The Trustee shall not be liable for any action taken or omitted
to be taken by it in good faith and in accordance with direction of the Dealer-
Advisor in connection with the sale or disposition of any Securities.

                                    ARTICLE
                           ACTIONS AFTER SPA PURCHASE

     Section 12.  Applications of SPA Proceeds. Any monies and other property
paid to the Trust by the SPA Purchaser and the proceeds of the sale of
Securities pursuant to Section 11.1.1 shall be applied or distributed by the
Trust first to the payment of the fees of the Dealer-Agent and any fees,
commissions or spreads imposed or incurred in connection with the disposition of
the Securities pursuant to Section 11.1.1 and the balance in accordance with
Section 13.2 unless the Unanimous Holders have asked the Trustee in writing to
purchase Reinvestment Securities with such amounts.

                                       22
<PAGE>
 
     Section 12.  Purchase of Reinvestment Securities.

           12.2.  Upon request from the Unanimous Holders, the Trustee shall
apply the remaining proceeds under Section 12.1 to acquire Treasury Securities
(for credit to the Custody Account) as provided in this Section 12.2.  In
connection therewith, the Trustee shall identify, based on offers obtained from
each of three Primary Dealers, () the issues of Treasury Notes or Treasury Bonds
that have an offer price plus accrued interest, expressed as a percentage of par
(such amount, the "NOTE PRICE") closest to par of all issues of Treasury Notes
and Treasury Bonds that mature closest to, but not after, the Scheduled Maturity
Date (such issues being the "TARGET NOTES"); and () the issues of STRIPS
(whether of interest or principal) that have the highest yield to maturity of
all issues of STRIPS that mature closest to, but not after, the Scheduled
Maturity Date (such issues being the "TARGET STRIPS").

          12.2.  If the Note Price of the Target Notes is less than or equal to
par, the Trustee will purchase Target Notes with an aggregate face amount equal
to the remaining proceeds under Section 12.1, rounded down to the nearest
minimum denomination (such rounded amount being the "TARGET FACE AMOUNT"),
multiplied by the applicable Note Price based on the offers obtained from three
Primary Dealers.

          12.2.  If the Note Price of the Target Notes exceeds par, the Trustee
instead will purchase Target Notes and Target STRIPS according to the following
formula: FIRST, the Trustee will purchase Target STRIPS in a face amount rounded
up to the next minimum denomination for Target STRIPS, equal to (a) (i) the
product of the Target Face Amount and the Note Price minus (ii) the remaining
proceeds available under Section 12.1 divided by (b) the Note Price minus the
offer price for the Target STRIPS, expressed as a percentage of par; SECOND, the
Trustee will purchase Target Notes with an aggregate face amount equal to the
maximum aggregate face amount of Target Notes that can be purchased with the
proceeds available under Section 12.1 remaining after purchase of the Target
STRIPS pursuant to clause First above.  Any cash remaining after purchasing
Target Notes and Target STRIPS pursuant to this Section 12.2 will be distributed
to the Holders of the Certificates as proceeds of a Partial Redemption in
accordance with Section 13.2.

          12.2.  Any securities acquired pursuant to this Section 12.2 shall be
the "REINVESTMENT SECURITIES".  Notwithstanding any provision herein to the
contrary, such Reinvestment Securities shall constitute Eligible Investments.

                                    ARTICLE
                             APPLICATION OF MONIES

     Section 13.  Payment Dates; Sales of Assets; and Distributions of Monies
from Custody Account.

                                       23
<PAGE>
 
          13.1.  If a Partial Redemption Payment Date has been set as provided
in Section 14.1, the Trustee is authorized to, and shall (to the extent
necessary to make the relevant redemption payment), as close as practicable to
the Partial Redemption Payment Date, sell or otherwise dispose of (a) any and
all investments (other than Reinvestment Securities) and (b) a pro rata portion
of the Reinvestment Securities equal to the Certificate Principal Amount
specified in the Notice of Partial Redemption.

          13.1.  The Trustee is authorized to, and to the extent any investment
held in the Custody Account will not mature on or before the Final Payment Date
shall, sell or redeem for settlement on or before the Final Payment Date all
Trust Assets (including any Reinvestment Securities) which do not mature on or
before such date, and exercise any rights of redemption in respect of any Trust
Assets.

          13.1.  Any sale of investments other than the Reinvestment Securities
required or permitted hereunder may be made by the Trustee in such manner and on
such terms as it shall reasonably determine.  If any sale or other disposition
of the Reinvestment Securities before maturity is required hereunder, the
Trustee shall sell or dispose of such Reinvestment Securities at the highest
prices available based upon quotations obtained by the Trust from three Primary
Dealers.

          13.1.  Forthwith and in any event before the close of business on the
Business Day on which the Trustee receives any interest payments or investment
income from, Proceeds on payment of, or from the sale or disposition of Trust
Assets, the Trustee shall credit or deposit such amounts to the Custody Account.

          Section 13.  Distributions of Monies from Custody Account.  On each
Partial Redemption Payment Date, each Investment Return Payment Date and the
Final Payment Date, the Trustee shall withdraw or debit and pay or apply (i)
with respect to each Investment Return Payment Date, the amounts resulting from
interest payments received with respect to the Reinvestment Securities, all
monies received with respect to Reinvestment Securities maturing on or before
such Investment Return Payment Date, and any other funds in the Custody Account,
(ii) on a Partial Redemption Payment Date, the amounts paid pursuant to the SPA
or the cash dividends or other cash distributions received by the Trust, as the
case may be, but not yet distributed to Holders or used to purchase Reinvestment
Securities, and (iii) on the Final Payment Date, the proceeds of the sales of
all remaining Trust Assets, and any other Collections, in the following order of
priority:

     FIRST:  To payment of Taxes, if any, referred to in Section 13.3 in
     accordance therewith;

     SECOND:  To the payment to the Trustee for the payment in full of the
     Trustee Administrative Expenses then due and owing, to the extent not paid
     by the SPA Purchaser pursuant to the SPA;

                                       24
<PAGE>
 
     THIRD:  To the payment of all other amounts due to creditors of the Trust,
     including any Administrative Expenses then due and owing, to the extent not
     paid by the SPA Purchaser pursuant to the SPA; and

     FOURTH:  To the payment of the remainder, if any, to the Holders ratably in
     accordance with the Certificate Principal Amount of the Certificates held
     by them (any such payment to be made on the final Payment Date to be made
     to each Holder against surrender of such Holders Certificates).  Amounts
     otherwise payable pursuant to this clause Fourth shall continue to be
     payable notwithstanding any reduction of the Aggregate Certificate
     Principal Amount to zero.

     Section 13.  Taxes.  If any Tax shall become payable by the Trust,
including any Tax required to be withheld from any payment made by the Trustee
under the provisions of any Law with respect to any Trust Assets, any Basic
Document, or the Certificates, such Tax shall be paid by the Trustee from
available amounts and shall, subject to the terms of the applicable Basic
Document, be withheld by the Trustee from the applicable payment (and, if such
Tax does not apply to all the recipients of such payment on an equal basis, such
withholding shall be effected by the Trustee in proportion to the extent to
which the respective payees are affected by such Tax).  The Trustee shall have
the right to refuse the surrender or exchange of any Certificate with respect to
which such Tax shall be payable until such payment shall have been satisfied by
the applicable Holder or the SPA Purchaser to the extent specified in the SPA.

                                    ARTICLE
                               REDEMPTION EVENTS

     Section 14.  Partial Redemption.

          14.1.   Each Certificate is subject to a mandatory partial redemption
for cash (a "PARTIAL REDEMPTION") as hereinafter provided if, at any time after
any payment (other than a payment at the Scheduled Maturity Date) is made by the
SPA Purchaser under the SPA or any cash dividend or other cash distribution is
received by the Trust in respect of the Securities which is not required to be
paid to the SPA Purchaser pursuant to the SPA, the Majority Holders give notice
to the Trustee (such notice, the "NOTICE OF PARTIAL REDEMPTION") of their
election () to cause a Partial Redemption, and () the Certificate Principal
Amount to be redeemed in connection with such Partial Redemption.

          14.1.   By 3:00 p.m., New York time, on the second Business Day (the
"PARTIAL REDEMPTION NOTICE DATE") after the Trustee receives notice of a Partial
Redemption, the Trustee shall notify each Holder of () its receipt the Notice of
Partial Redemption, () the amount of any Taxes required to be withheld by the
Trustee pursuant to Section 13.3, () the Partial Redemption Payment Date, which
shall not be more than five Business Days after the Partial Redemption 

                                       25
<PAGE>
 
Notice Date, and () the amount of funds estimated to be distributed on the
Partial Redemption Payment Date.



                                    Article

                                  The Trustee

     Section 15.  Duties of the Trustee.

          15.1.  Except during the continuance of a default by the SPA Purchaser
under the SPA of which the Trustee has Actual Knowledge:

          15.1.1.1  the Trustee undertakes to perform such duties and only such
duties as are specifically set forth in this Agreement to be performed by the
Trustee, and no implied covenants or obligations shall be read into this
Agreement against the Trustee; and

          15.1.1.2  in the absence of bad faith on its part, the Trustee may
conclusively rely, as to the truth of the statements and the correctness of the
opinions expressed therein, upon certificates or Opinions of Counsel furnished
to the Trustee and conforming on their face to the requirements of this
Agreement; provided, however, that in the case of any such certificates or
opinions which by any provision hereof are specifically required to be furnished
to the Trustee, the Trustee shall be under a duty to examine the same to
determine whether or not they conform on their face to the requirements of this
Agreement and shall promptly notify the party delivering the same if such
certificate or opinion does not so conform.

          15.1.  In case a default by the SPA Purchaser under the SPA of which
the Trustee has Actual Knowledge has occurred and is continuing, the Trustee
shall, before the receipt of directions, if any, from the Unanimous Holders,
exercise such of the rights and powers vested in it by this Agreement.

          15.1.  The Trustee shall not have any liability to Holders except for
its own gross negligence or willful misconduct in carrying out its duties under
this Agreement, except that:

          15.1.3.1  this Section shall not be construed to limit the effect of
     Section 15.1.1;

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

          15.1.3.3  the Trustee shall not be liable with respect to any action
     taken or

                                       26
<PAGE>
 
     omitted to be taken by it in good faith in accordance with the
     direction of the Unanimous Holders relating to the time, method and place
     of conducting any Proceeding for any remedy available to the Trustee, or
     exercising any trust or power conferred upon the Trustee, under this
     Agreement;

          15.1.3.4  no provision of this Agreement shall require the Trustee to
     expend or risk its own funds or otherwise incur any financial liability in
     the performance of any of its duties hereunder, or in the exercise of any
     of its rights or powers, if it shall believe in good faith that repayment
     of such funds or adequate indemnity against such risk or liability is not
     assured to it (provided that the unsecured agreement of any Holder that is
     an Institutional Investor organized under the Laws of the United States, or
     any State in the United States, shall constitute adequate assurance with
     respect to repayment and indemnity if the aggregate net worth of such
     Institutional Investor is not less than $100,000,000); provided, however,
     that the reasonable costs of performing its ordinary services under this
     Agreement shall not be deemed a "financial liability" for purposes hereof;

          15.1.3.5  the Trustee shall not be liable to the Holders for any
     action taken or omitted by it at the direction of any Holders under
     circumstances in which such direction is required or permitted by the terms
     of this Agreement; and

          15.1.3.6  the right of the Trustee to take actions enumerated in (but
     not required by) this Agreement, including any rights to make further
     inquiries, shall not be construed as a duty and the Trustee shall not be
     answerable, and shall incur no liability, for its failure to take any such
     permitted actions or exercise any such rights.

          15.1.  Whether or not therein expressly so provided, every provision
of this Agreement relating to the conduct or affecting the liability of or
affording protection to the Trustee shall be subject to the provisions of
Sections 15.1, 15.2 and 15.3.

          15.1.  The Trustee, promptly after receipt thereof by a Responsible
Officer of the Trustee, shall transmit by mail to all Holders, as their names
and addresses appear on the Register, all written communications that are
required under this Agreement to be delivered to the Trustee and are received
from the SPA Purchaser (excluding information provided by the Trustee to the
Holders on request pursuant to Section 9.4).

          15.1.  Except for actions expressly authorized by this Agreement, the
Trustee shall take no action which a Responsible Officer thereof has Actual
Knowledge is reasonably likely to materially impair the interests of the Trust
in any part of the Trust Assets now existing or hereafter created or to impair
materially the value of any part of the Trust Assets now existing or hereafter
created.

                                       27
<PAGE>
 
          15.1.  If, to the Actual Knowledge of the Trustee, the Paying Agent or
the Registrar shall fail to perform any obligation, duty or agreement in the
manner or on the day required to be performed by the Paying Agent or the
Registrar, as the case may be, under this Agreement, the Trustee shall be
obligated as soon as possible after obtaining Actual Knowledge thereof and
receiving appropriate Records, if any, to give notice of such failure to the
Holders and (so long as the SPA remains in effect and the SPA Purchaser is not
in default thereunder) the SPA Purchaser.

          15.1.  The Trustee is responsible only for undertaking to perform or
for observing the covenants and obligations expressly set forth herein with
respect to the SPA Purchasers and the SPA Purchaser, and neither this Agreement
nor any of the other Basic Documents shall be construed or interpreted to
include any implied covenants or obligations on the part of the Trustee to the
SPA Purchaser.  The Trustee shall not be deemed to owe any fiduciary duty to the
SPA Purchaser, in such capacities, and shall not be liable for any failure of
the Trust to perform its obligations to such Person other than as a result of
the gross negligence or willful misconduct of the Trustee in the performance of
its express obligations under this Agreement.

          15.1.  Notwithstanding anything in this Agreement to the contrary, the
Trustee shall not have any obligation or duty, fiduciary or otherwise (and no
such obligation or duty shall be read into this Agreement or implied with
respect to or against the Trustee), to initiate or otherwise participate in, or
consent to, any bankruptcy, insolvency or other Proceeding or adjudication of
the Trust described in Section 2.8.

     Section 15.  Certain Rights of the Trustee.  Except as otherwise
specifically provided in Section 15.1:

          15.2.  the Trustee may rely and shall be protected in acting or
refraining from acting upon any resolution, certificate, statement, instrument,
opinion, report, notice, request, direction, consent, order, bond, note or other
paper or document reasonably believed by it to be genuine and to have been
signed or presented by the proper party or parties, and the Trustee may accept a
certified copy of a resolution of the board of directors or other governing body
of any corporate party as conclusive evidence that such resolution has been duly
adopted by such body and that the same is in full force and effect;

          15.2.  whenever in the administration of this Agreement the Trustee
shall deem it desirable that a matter be proved or established before taking,
suffering or omitting any action hereunder, the Trustee (unless other evidence
be herein specifically prescribed) may, in the absence of bad faith on its part,
rely upon an Officer's Certificate, and such Officer's Certificate shall
constitute full protection to the Trustee for any action taken or omitted to be
taken by it in good faith reliance thereon;

          15.2.  as a condition to the taking or omitting of any action by it
hereunder, the

                                       28
<PAGE>
 
Trustee may consult with counsel; may take or omit any action in reliance on any
Opinion of Counsel; and the Trustee shall be fully protected in acting or
refraining from acting in good faith in accordance with any Opinion of Counsel
or in reliance thereon;

           15.2.  the Trustee shall not be under any obligation to exercise or
enforce any of the rights or powers vested in it by this Agreement, including to
honor the request or direction of any of the Holders, to institute any suit, to
take any remedial proceeding under this Agreement, or to enter any appearance or
in any way defend in any suit in which it may be made defendant, in each case
pursuant to this Agreement, unless such Holders shall have offered to the
Trustee reasonable security or indemnity against all costs, expenses and
liabilities which might reasonably be incurred by it in compliance with such
request or direction (an unsecured indemnity agreement or guaranty of an
Institutional Investor organized under the Laws of the United States or any
state in the United States shall be deemed sufficient if the aggregate net worth
of the Institutional Investors providing such unsecured agreements shall not be
less than $100,000,000 and if such Institutional Investors agree to be jointly
and severally liable for such security or indemnity);

          15.2.  the Trustee shall not be bound to make any investigation into
the facts or matters stated in any resolution, certificate, statement,
instrument, opinion, report, notice, request, direction, consent, order, bond,
note or other paper or documents, but the Trustee, in its discretion, may and,
upon written direction, and at the expense of the Unanimous Holders, shall make
such further inquiry or investigation into such facts or matters as it may see
fit or as it shall be directed, and the Trustee and any Holder shall be entitled
on reasonable prior request (which request shall include a statement of the
purpose therefor) made in advance to the Trustee to examine the Records of the
Trust, or the Trustee, personally or by agent or attorney during the Trustee's,
or such other Person's normal business hours; provided that the Trustee or any
such Holder shall, and shall cause its agents to, hold in confidence all such
information, except () to the extent disclosure may be required by Law, by any
regulatory authority, by any judicial or governmental order of a court or
governing body of competent jurisdiction or by the National Association of
Insurance Commissioners, () a Holder may disclose such information to any of its
Affiliates, to any prospective transferee and to such Holder's, Affiliates' and
transferee's accountants, consultants, attorneys and similar agents; provided
that all such persons agree in writing to hold such information as confidential,
() to the extent disclosure is necessary to the prosecution or defense of any
claim of liability under this Agreement brought by or against it and () to the
extent that the Trustee, in its sole judgment, may determine that such
disclosure is consistent with its obligations hereunder (including appropriate
disclosure to its own legal counsel and other advisers);

          15.2.  the Trustee may perform any of its duties hereunder either
directly or by or through agents or attorneys and the Trustee shall not be
responsible for any misconduct or negligence of any agent, or attorney,
appointed in good faith, by it under this Agreement.  In addition, in the
exercise of any of its rights to remove any Persons under this Agreement,

                                       29
<PAGE>
 
including any Registrar, Paying Agent, Custodian or the Issuer (as servicer),
the Trustee shall incur no liability for its exercise of such removal rights or
its removal in the absence of its gross negligence or willful misconduct in
connection therewith;

          15.2.  in no event whatsoever shall the Trustee be liable for any
representation, warranty, covenant, agreement, indebtedness or other obligation
of the Trust; and

          15.2.  the Trustee shall incur no liability if, by reason of any
provision of any present or future law or regulation thereunder, or by any force
majeure event, including but not limited to natural disaster, war or other
circumstances beyond its control, the Trustee shall be prevented or forbidden
from doing or performing any act or thing which the terms of this Agreement
provide shall or may be done or performed.

     Section 15.  The Trustee Not Responsible for the Certificates.  The Trustee
assumes no responsibility for the correctness of the Certificates (other than
the certificate of authentication on the Certificates).  The Trustee makes no
representations as to the validity or sufficiency of this Agreement or of the
Certificates or any of the other Basic Documents (other than the enforceability
of its obligations hereunder and under the other Basic Documents, and the
execution by the Trustee on behalf of the Trust of the Certificates and the
certificate of authentication on the Certificates).  Notwithstanding any
provision of this Agreement to the contrary, except with respect to a claim by a
Person based on the Trustee's willful misconduct, bad faith or gross negligence,
no recourse shall be had against the Trustee in its individual capacity for any
claim based on any provision of the Agreement, the SPA or the Certificates or
any other Basic Document, instrument or agreement.

     Section 15.  The Trustee May Own Certificates, etc.  The Trustee, in its
individual or any other capacity, may become the owner or pledgee of
Certificates with the same rights as it would have if it were not the Trustee;
provided that any Certificates so held shall not be entitled to participate in
any decisions made or instructions given to the Trustee by the Holders.  The
Trustee may deal with the Trust and the Transferor in banking and trustee
transactions with the same rights as it would have if it were not the Trustee.

     Section 15.  Eligibility Requirements for the Trustee.  The Trustee
hereunder shall at all times be an Eligible Institution which meets the
requirements of the definition of "Trustee".  The Trustee must have a combined
capital and surplus of at least $100,000,000.  If such Eligible Institution
publishes reports of condition at least annually, pursuant to Law, then for the
purpose of this Section 15.5, 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.  In case at any time the
Trustee shall cease to be eligible in accordance with the provisions of this
Section 15.5, the Trustee shall resign immediately in the manner and with the
effect specified in Section 15.6.

                                       30
<PAGE>
 
     Section 15.  Resignation or Removal of the Trustee.

          15.6.  Subject to Section 15.6.3, the Trustee may at any time resign
and be discharged from the trust hereby created by giving written notice thereof
to the Holders and shall resign and be discharged from the trust hereby created
upon written request of Unanimous Holders.  Upon receiving a Trustee notice of
resignation, or upon requesting a Trustee resignation, the Unanimous Holders
(with the consent of the SPA Purchaser, if the SPA is still in effect at the
time and the SPA Purchaser is not in default thereunder) shall promptly appoint
a successor trustee by written instrument, in duplicate, one copy of which
instrument shall be delivered to the resigning Trustee and one copy to the
successor trustee.  If no successor trustee shall have been so appointed and
have accepted appointment within 45 days after the giving of such notice of
resignation, the resigning Trustee may petition any court of competent
jurisdiction for the appointment of a successor trustee and from the date of
such petition until a successor Trustee is appointed, the Trustee shall not be
required to take any action, and shall incur no liability for not taking any
action.

          15.6.  If at any time the Trustee shall cease to be eligible in
accordance with the provisions of Section 15.5 or shall fail to resign after
written request to do so by Unanimous Holders as described in Section 15.6.1, or
if at any time the Trustee shall be legally unable to act, or shall be adjudged
a bankrupt or insolvent, or if a receiver of the Trustee or of its property
shall be appointed, or any public officer shall take charge or control of the
Trustee or of its property or affairs for the purpose of rehabilitation,
conservation or liquidation, then, Unanimous Holders may remove the Trustee.

          15.6.  Any resignation or removal of the Trustee pursuant to any of
the provisions of this Section 15.6 shall not become effective until acceptance
of appointment by the successor trustee as provided in Section 15.7.  In the
event the Trustee is removed for any reason or resigns, the Trustee shall be
under no obligation to indemnify any successor trustee.

     Section 15.  The Successor Trustee.

          15.7.  Any successor trustee appointed as provided in Section 15.6
shall execute, acknowledge and deliver to the predecessor Trustee an instrument
accepting such appointment hereunder, and thereupon the resignation or removal
of the predecessor Trustee shall become effective and such successor trustee,
without any further act, deed or conveyance, shall become fully vested with all
the rights, powers, duties and obligations of its predecessor hereunder with
like effect as if originally named as the Trustee herein.  The predecessor
Trustee, upon receiving payment of all amounts to which it is entitled pursuant
to this Agreement, shall deliver to the successor trustee all documents or
copies thereof and statements held by it hereunder, and shall execute and
deliver such instruments and do such other things as may reasonably be required
for fully and certainly vesting and confirming in the successor trustee all such
rights, powers, duties and obligations.

                                       31
<PAGE>
 
          15.7.  No successor trustee shall accept appointment as provided in
this Section 15.7 unless at the time of such acceptance such successor trustee
shall be eligible under the provisions of Section 15.5.

          15.7.  Upon acceptance of appointment by a successor trustee as
provided in this Section 15.7, such successor trustee shall mail notice of such
succession hereunder to all Holders at their addresses as shown in the Register.

     Section 15.  Merger or Consolidation of the Trustee.  Any Person into which
the 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 the
Trustee shall be a party, or any Person succeeding to all or substantially all
of the corporate trust business of the Trustee, shall be the successor of the
Trustee hereunder without the execution or filing of any paper or any further
act on the part of any of the parties hereto, anything herein to the contrary
notwithstanding; provided, however, that the Person resulting from such merger,
conversion or consolidation, or succeeding to such corporate trust business,
shall satisfy the eligibility requirements under Section 15.5.

     Section 15.  The Trustee May Enforce Claims Without Possession of
Certificates.  All rights of action and claims under this Agreement or the
Certificates may be prosecuted and enforced by the Trust without the possession
of any of the Certificates or the production thereof in any Proceeding relating
thereto, and any such Proceeding instituted by the Trustee may be brought in the
name of the Trust or in its own name.  Any recovery of judgment shall, after
provision for the payment of the reasonable compensation, expenses and
disbursements of the Trustee, its agents and counsel, be for the ratable benefit
of the Holders in respect of which such judgment has been obtained.

     Section 15.  Rights of Holders to Direct the Trustee.  Except as otherwise
expressly set forth in this Agreement, Unanimous Holders shall have the right to
direct the time, method and place at or by which the Trust or the Trustee
conducts any Proceeding for any remedy available to it, or exercises any trust
or power conferred upon the Trust or the Trustee; provided, however, that the
Trustee shall have the right to decline to follow any such direction if the
Trustee being advised by counsel determines that the action so directed may not
lawfully be taken or may involve the Trustee in personal liability for which the
Trustee has not been indemnified as provided herein; and provided further that
nothing in this Agreement shall impair the right of the Trustee to take any
action deemed proper by the Trustee and which is not inconsistent with such
direction of the Holders, as applicable.

     Section 15.  Maintenance of Office or Agency.  The Trustee will maintain at
its expense an office or offices or agency or agencies where notices and demands
to or upon the Trustee in respect of the Certificates or this Agreement may be
served.  The Trustee initially designates its Corporate Trust Office as its
office for such purposes.  The Trustee will give prompt written notice to the
Holders of any change in the location of any such office or agency.

                                       32
<PAGE>
 
     Section 15.  The Trustee as Paying Agent and Registrar.  So long as the
Trustee shall be the Paying Agent and the Registrar, neither the Holders nor any
other Person may remove any of the Paying Agent, the Registrar or the Trustee
without simultaneously removing each of the other.

     Section 15.  Activities as Tax Matters Partner.  Notwithstanding any other
provision of this Agreement, in connection with the performance of its duties as
Tax Matters Partner under Section 2.7, the Trustee may, at the expense of the
Trust, consult with, and delegate responsibility to perform its duties in such
capacities to, such accountants or attorneys as it may select in its reasonable
judgment.  The advice of such accountants or counsel to the Trustee as Tax
Matters Partner shall be full and complete protection in respect of any action
taken or omitted by it as Tax Matters Partner in good faith and in reliance
thereon, unless it shall be proven that the Trustee was grossly negligent in
ascertaining the pertinent facts.  Any delegation by the Trustee accepted in
writing by the delegee accountant or counsel shall discharge the Trustee from
responsibility for the performance or nonperformance of the duties so delegated,
and the Trustee shall have no liability for any default or misconduct by such
delegee in such performance or nonperformance unless it shall be proven that the
Trustee was grossly negligent in its failure to take appropriate action to
supervise or remove such delegee after acquiring Actual Knowledge of any
material default or misconduct of such delegee with respect to the performance
of such duties.

     Section 15.  Compensation and Reimbursement.  The Trust and the Transferor
agree:

          15.14.  to pay, to the extent not paid reasonably promptly by the SPA
Purchaser pursuant to the SPA, the reasonable fees and expenses of the Trustee,
the Custodian and the Dealer Advisor incurred in accordance with this Agreement,
all as set forth in and subject to the limitations of that certain fee schedule
(which compensation shall not be limited by any provision of Law in regard to
the compensation of a trustee) dated as of the Closing Date between the Trustee,
the Transferor and the Trust (the "TRUSTEE'S FEE LETTER"), and the Trustee is
hereby authorized and directed to execute the Trustee's Fee Letter on behalf of
the Trust.  If the Transferor or the Trust pays such fees as a result of the SPA
Purchaser's breach of its obligations under the SPA, the Trustee shall take
steps to enforce its rights under the SPA and reimburse the Transferor or the
Trust from the net amount it recovers from the SPA Purchaser;

           15.14.    to indemnify, to the fullest extent permitted by law, the
Trustee (in its individual capacity and as Trustee), its directors, officers,
employees and agents for, and to hold it harmless against, any Loss arising out
of or in connection with the transactions contemplated herein or the acceptance
or administration of the Trust, including the reasonable costs and expenses of
defense against any claim or liability asserted at any time against such Persons
in connection herewith, to the extent that any such Loss is not paid or
reimbursed reasonably promptly by the SPA Purchaser pursuant to the SPA;
provided, however, that the Trust shall not be required to indemnify any such
Person to the extent such Loss resulted from such Person's

                                       33
<PAGE>
 
gross negligence, willful misconduct or bad faith; and

       15.14.    that the obligations of the Trust to the Trustee under this
Section 15.14 shall survive the resignation or removal of the Trustee, as
applicable.  The Trustee shall have a claim and lien against the Trust Assets
for any compensation, expense or indemnification owing to it, which claim shall
be prior to the rights of the Holders.

     Section 15.  No Longer Deemed Trust Assets.  Any amounts paid to the
Trustee pursuant to Section 15.14 or Article 13 shall cease to be and shall be
deemed not to be Trust Assets immediately upon such payment.

     Section 15.  Trustee Serving in Other Capacities.  The provisions of this
Article 15 apply to, and are intended for the benefit of, the Trustee,
regardless of the capacity in which the Trustee is serving, including acting as
the Registrar or the Paying Agent.

                                    Article

                           Amendments and Termination

     Section 16.  Amendment.

          16.1.  No amendment, waiver, modification or supplement to, or
termination of, this Agreement or to any other Basic Document to which the Trust
is a party shall be effective without the written consent of the Trustee;
provided, however, that the Trustee shall not consent to any such amendment,
waiver, modification or supplement (including any termination) except () to make
changes to ensure that the Trust will not be treated as an association taxable
as a corporation for Federal income tax purposes or an investment company
required to be registered under the Investment Company Act; or () to make such
changes as may be necessary or desirable to cure any ambiguity or inconsistency
or to make changes that will not be inconsistent with this Agreement, to satisfy
any requirements, conditions or guidelines contained in any opinion, directive,
order, ruling or regulation of any Law; provided, further, however, that no
                                        --------  -------  -------         
amendment shall be made that would adversely affect the SPA Purchaser (so long
as the SPA remains in effect and the SPA Purchaser is not in default
thereunder), the Issuer, the Administrator, or the Holders unless such affected
Person has consented in writing to such amendment.  The Trustee shall
conclusively deem consent to be given by the SPA Purchaser, the Issuer or the
Administrator if such Person does not respond in writing to any request for
consent within five Business Days after such Person has received notice from the
Trustee of the proposed amendment and the request for consent thereto.  Before
entering into any amendment pursuant to this paragraph that is not requested
jointly by the Transferor and the SPA Purchaser as described in the penultimate
sentence of this paragraph, the Trust shall notify the SPA Purchaser (so long as
the SPA remains in effect and the SPA Purchaser is not in default thereunder)
and the Holders in writing of the material terms of such amendment.  In
addition, the Trustee may reflect in its Records changes

                                       34
<PAGE>
 
made in the composition of the Holders and their respective interests, in
accordance with the provisions of this Agreement, without the consent of the
Holders. Notwithstanding the foregoing, the Trustee, prior to the consummation
of the Issuer's acquisition of a financial institution as contemplated by the
Holding Company Application, shall make or agree to any amendment, waiver,
modification or supplement of or to this Agreement that is mutually agreed in
writing by the Transferor and the SPA Purchaser and as directed by the
Transferor (so long as such amendment, waiver, modification or supplement does
not adversely affect the Trustee, the Issuer or the Administrator), and the
Trustee will incur no liability for making or agreeing to such amendment,
waiver, modification or supplement of or to this Agreement in accordance with,
and in good faith reliance on, such direction. Except as set forth above, the
Holders shall have no right to amend or modify this Agreement.

          16.1.  Not later than 15 Business Days before the execution of any
proposed amendment or supplemental agreement pursuant to this Section 16.1, the
Trustee shall mail to the Holders and, so long as the SPA remains in effect and
the SPA Purchaser is not in default thereunder, the SPA Purchaser, a copy of
such proposed amendment or supplemental agreement and a written notice reciting
in narrative form the amendments to be effected by such amendment or
supplemental agreement.

          16.1.  Promptly after the execution of any amendment or supplemental
agreement or waiver in respect of this Agreement or any other Basic Document to
which the Trust is a party, the Trustee shall furnish a copy of such amendment,
supplemental agreement or waiver to each Holder and, so long as the SPA remains
in effect and the SPA Purchaser is not in default thereunder, the SPA Purchaser.

          16.1.  The manner of obtaining consents and of evidencing the
authorization of the execution thereof by the Persons required to consent under
Section 16.1 shall be subject to such reasonable requirements as the Trustee may
prescribe.

     Section 16.  Dissolution and Termination.  The Trust established hereunder
shall dissolve and the obligations and responsibilities of the Trustee created
hereby (other than the obligation of the Trustee to make payments to the Holders
as hereinafter set forth) shall terminate upon the earliest of the following
days: () the day that falls 20 years after the date of the death of the last
survivor of the descendants of George Herbert Walker Bush, former President of
the United States, living on the date of effectiveness of this Agreement and the
date of issuance of the Certificates; () the day that falls ten years following
the Scheduled Maturity Date; and (c) the day that falls ten Business Days after
the date on which the Trust shall have sold all of the Securities and
distributed the net proceeds thereof to the Holders in accordance with this
Agreement.

          16.2.  If, on any date of dissolution of the Trust, any amounts
payable hereunder shall not have been paid in full, the Trustee shall pay such
amounts out of the Trust Assets in

                                       35
<PAGE>
 
accordance with the terms hereof upon such dissolution. Notwithstanding anything
to the contrary in this Agreement, the application of Proceeds of the Trust
Assets in accordance with this Section 16.2.1 shall fully discharge and satisfy
the obligations of the Trust payable upon dissolution of the Trust, and none of
the Trust, the Trustee or the Transferor shall be liable for any deficiency in
the amount otherwise payable hereunder.

          16.2.  If any Certificates shall not be surrendered for payment upon
dissolution of the Trust, the Trustee shall not perform any further acts under
this Agreement with respect thereto other than as set forth in Section 16.3,
except that the Trustee, as custodian, shall hold the Trust Assets and any
Proceeds thereof for the two years following the dissolution of the Trust,
without liability for interest, for the benefit of the Holders of Certificates
which have not theretofore been surrendered for payment and as to which such
Proceeds are payable upon any such surrender during such period.  Any property
and Proceeds remaining as Trust Assets and unclaimed shall be dealt with by the
Trustee in accordance with applicable Law.  Upon the disposition of the Trust
Assets and Proceeds in accordance with this Section 16.2, the Transferor shall
be discharged from all obligations under this Agreement, except as provided
under Section 15.14.

          16.2.  Upon the completion of winding up of the Trust following its
dissolution, the Trustee shall cause the Certificate of Trust of the Trust to be
canceled by filing a certificate of cancellation with the Delaware Secretary of
State in accordance with the provisions of Section 3810 of the Business Trust
Statute.  Such certificate may be signed by the Trustee and shall not require
the signature of any other Person.  The Trust shall dissolve and this Agreement
shall terminate upon the filing of such certificate of cancellation and other
actions required by the Business Trust Statute.

     Section 16.  Final Payment to Holders.

          16.3.  Written notice of any dissolution (other than the dissolution
related to the Final Payment Date), specifying the date upon which the Holders
may surrender their Certificates for payment of the final distribution and
cancellation, shall be given by the Trustee to the Holders mailed not later than
the tenth Business Day after the Trustee obtains Actual Knowledge of such
dissolution specifying () the date upon which final payment of the Certificates
will be made upon presentation and surrender of Certificates at the office or
offices therein designated, and () the amount or the Trust Assets distributable
in respect of any such final payment, distribution, payments or distributions
being made only upon presentation and surrender of the Certificates at the
office or offices therein specified.

          16.3.  Notwithstanding the dissolution of the Trust pursuant to this
Agreement, all funds then on deposit in the Custody Account and all Trust Assets
shall continue to be held in trust for the benefit of the applicable Holders,
and the Paying Agent or the Trustee shall pay such funds, or deliver such assets
to the applicable Holders upon surrender of their Certificates.

                                       36
<PAGE>
 
In the event that all of the Holders do not surrender their Certificates for
cancellation within two months after the date specified in the above-mentioned
written notice, the Trustee shall give a second written notice to the remaining
Holders, upon receipt of the appropriate records from the Registrar, to
surrender their Certificates for cancellation and receive the final distribution
with respect thereto. If within one year after the second notice all
Certificates shall not have been surrendered for cancellation, the Trustee may
take appropriate steps, or may appoint an agent to take appropriate steps, to
contact the remaining Holders concerning surrender of their Certificates, and
the cost thereof shall be paid out of the funds in the Custody Account or the
Trust Assets held for the benefit of such Holders, and shall otherwise deal with
any unclaimed amounts in accordance with applicable Law.

          16.3.  All Certificates surrendered for payment of the final
distribution with respect to such Certificates and cancellation, shall be
cancelled by the Registrar and be disposed of in a manner satisfactory to the
Trustee.

                                    Article

                            Miscellaneous Provisions

     Section 17.  [RESERVED]

     Section 17.  Inspection Rights.  The Trustee shall permit each Holder, the
SPA Purchaser (if the SPA is still in effect and the SPA Purchaser is not in
default thereunder) and their respective representatives, upon reasonable prior
written notice to the Trustee, to visit the Corporate Trust Office or principal
office of the Trustee and any other office at which the Trustee maintains any
Records pertaining to the Trust Assets, to discuss their respective affairs,
finances and accounts with their officers, employees, members and the
Accountants (and by this provision the Trust hereby authorizes the Accountants
to discuss with such representatives such affairs, finances and accounts), to
inspect, examine and make copies of their respective Records relating to the
Trust Assets and all other information relating to the Trust Assets at any
reasonable time during normal business hours as often as may be reasonably
requested.  Both the Holder and the SPA Purchaser shall pay its own costs and
expenses in connection with any such visit, inspection, examination and copying.

     Section 17.  Limitation on Rights of Holders.

          17.3.  The bankruptcy, insolvency, death or incapacity of any Holder
shall not operate to terminate this Agreement or the Trust except as expressly
provided herein, nor shall such bankruptcy, insolvency, death or incapacity
entitle such Holder legal representatives or heirs to claim an accounting or to
take any action or commence any Proceeding in any court for a partition or
winding up of the Trust, nor otherwise affect the rights, obligations and
liabilities of the parties hereto or any of them except as expressly provided
hereby.

                                       37
<PAGE>
 
          17.3.  No Holder shall have any right to vote (except as specifically
provided herein, including Sections 9.4.1, 12.1, 15.1.2, 15.1.3.3, 15.2.5, 15.6
and 17.3.3) or in any manner otherwise control or participate in the operation
and management of the Trust, or the obligations of the parties hereto, nor shall
anything herein set forth, or contained in the terms of the Certificates, be
construed so as to constitute the Holders from time to time as partners or
members of an association; nor shall any Holder be under any liability to any
third person by reason of any action taken by the parties to this Agreement
pursuant to any provision hereof.  Notwithstanding anything herein to the
contrary, the Unanimous Holders may instruct the Trustee to take action as
specifically provided in Sections 9.4.1, 12.1, 15.1.2, 15.1.3.3, 15.2.5, 15.6
and 17.3.3.

          17.3.  No Holder shall have any right by virtue of any provisions of
this Agreement to institute any suit, action or Proceeding in equity or at Law
upon or under or with respect to this Agreement, unless Unanimous Holders shall
have made written request upon the Trustee to institute such action, suit or
Proceeding in the name of the Trust, and shall have offered to the Trustee and
the Trust such reasonable indemnity as it may reasonably require against the
costs, expenses and liabilities to be incurred therein or thereby, and the
Trustee, for 30 days after its receipt of such notice, request and offer of
indemnity, shall have neglected or refused to institute any such action, suit or
Proceeding; it being understood and intended, and being expressly covenanted by
each Holder with every other Holder, the Trust and the Trustee, that no one or
more Holders shall have any right in any manner whatever by virtue or by
availing itself or themselves of any provisions of this Agreement to affect,
disturb or prejudice the rights of the Holders of any other of the Certificates,
or to obtain or seek to obtain priority over or preference to any other such
Holder, or to enforce any right under this Agreement, except in the manner
herein provided and for the equal, ratable and common benefit of all Holders.
For the protection and enforcement of the provisions of this Section 17.3, each
and every Holder, the Trust and the Trustee shall be entitled to such relief as
can be given either at law or in equity.

     Section 17.  Liability of Holders.  Except as otherwise specifically
provided in this Agreement, the liability of the Holders shall be limited to the
full extent provided by Section 3803 of the Business Trust Statute.  Without
limiting the generality of the foregoing, no recourse may be taken, directly or
indirectly, against () any past, present or future Holder or () any principal,
partner, shareholder, officer, director, grantor, depositor, trustee, nominee,
beneficiary, attorney-in-fact, agent or employee of any Holder or any elected or
appointed official of any of them, or against the assets of any of them, whether
by virtue of any constitution, statute or rule of Law, or by the enforcement or
assessment of any penalty or otherwise, for any claim under or based on any
agreement, certificate, document or instrument referred to herein or delivered
pursuant hereto, or for any liabilities, obligations, fees, expenses, Taxes or
indemnity payments of the Trust.

     Section 17.  Governing Law.  THIS AGREEMENT SHALL BE GOVERNED BY,

                                       38
<PAGE>
 
AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF DELAWARE (WITHOUT
REGARD TO ANY CONFLICTS OF LAW RULES), AND ALL LAWS OR RULES OF CONSTRUCTION OF
SUCH STATE SHALL GOVERN THE RIGHTS OF THE PARTIES TO THIS AGREEMENT AND THE
INTERPRETATION OF THE PROVISIONS OF THIS AGREEMENT.

     Section 17.  Notices.  All demands, notices, instructions and
communications hereunder shall be in writing and shall be deemed to have been
duly given if personally delivered, if sent by facsimile transmission or five
days after mailing by certified or registered mail, return receipt requested,
(a) in the case of the Trustee, to its Corporate Trust Office, or such other
address as shall be specified in writing to all parties hereto and all Holders,
(b) in the case of any Holder, at the address of such Holder as shown in the
Register, and (c) in the case of the SPA Purchaser, to 2275 Research Boulevard,
6th Floor, Rockville, Maryland   20850, or such other address as shall be
specified in writing to all parties hereto and all Holders.  Within two Business
Days of receipt by the Trustee of any notices or reports or any other documents,
instruments or information in respect of or relating to the Trust Assets, the
Trustee shall forward to each Holder such notice, report, document, instrument
or information.

     Section 17.  Severability of Provisions.  If any one or more of the
covenants, agreements, provisions or terms of this Agreement shall for any
reason whatsoever be held invalid, then such covenants, agreements, provisions
or terms shall be deemed severable from the remaining covenants, agreements,
provisions or terms of this Agreement and shall in no way affect the validity or
enforceability of the other provisions of this Agreement, the Certificates or
rights of the Holders thereof.

     Section 17.  Certificates Nonassessable and Fully Paid.  It is the
intention of the parties to this Agreement that the Holders shall not be
personally liable for obligations of the Trust, that the interests in the Trust
represented by the Certificates shall be nonassessable for any Losses of the
Trust or for any reason whatsoever, and that, upon the transfer of the
Securities to the Trust, the Certificates issued in exchange therefor are and
shall be deemed fully paid.

     Section 17.  No Waiver; Cumulative Remedies.  No failure to exercise and no
delay in exercising, on the part of the Holders or any party hereto, any right,
remedy, power or privilege hereunder, shall operate as a waiver thereof; nor
shall any single or partial exercise of any right, remedy, power or privilege
hereunder preclude any other or further exercise thereof or the exercise of any
other right, remedy, power or privilege.  The rights, remedies, powers and
privileges herein provided are cumulative and not exhaustive of any rights,
remedies, powers and privileges provided by Law.

     Section 17.  Counterparts.  This Agreement may be executed in any number of
counterparts (and by the different parties on separate counterparts), each of
which so executed shall be deemed to be an original, but all of which together
shall constitute but one and the same

                                       39
<PAGE>
 
instrument.

     Section 17.  Third-Party Beneficiaries.  This Agreement will inure to the
benefit of and be binding upon the parties hereto, and, in addition, shall inure
to the benefit of each Holder, the SPA Purchaser (so long as the SPA remains in
effect and the SPA Purchaser is not in default thereunder), the Administrator
and the Issuer and their respective successors and permitted assigns.  No other
Person will have any right or obligation hereunder except as expressly set forth
in Section 15.14.

     Section 17.  Actions by Holders.

      17.12.    Any written request, demand, authorization, direction, notice,
consent, waiver or other act by any Holder shall bind such Holder and every
later holder of the Certificate as applicable, issued upon the registration of
Transfer thereof or in exchange therefor or in lieu thereof in respect of
anything done or omitted to be done by the Trustee in reliance thereon, whether
or not notation of such action is made upon such Certificate.

      17.12.    Any request, demand, authorization, direction, notice, consent,
waiver or other action specifically provided by this Agreement to be given or
taken by Holders may be embodied in and evidenced by one or more instruments of
substantially similar tenor signed by such Holders in person or by an agent duly
appointed in writing; and except as herein otherwise expressly provided, such
action shall become effective when such instrument or instruments are delivered
to the Trustee.  Proof of execution of any such instrument or of a writing
appointing any such agent shall be sufficient for any purpose of this Agreement
and conclusive in favor of the Trustee if made in the manner provided in this
Section 17.12.

      17.12.    The fact and date of the execution by any Holder of any such
instrument or writing may be proved in any reasonable manner which the Trustee
deems sufficient.

      17.12.    The Trustee may require such additional proof of any matter
referred to in this Section 17.12 as it shall deem necessary.

     Section 17.   Merger and Integration.  Except as specifically stated
otherwise herein and in the other Basic Documents, this Agreement sets forth the
entire understanding of the parties relating to the subject matter hereof, and
all prior understandings, written or oral, are superseded by this Agreement.
This Agreement may not be modified, amended, waived or supplemented except as
provided herein.

     Section 17.   Effect of Headings and Table of Contents.  The Article and
Section headings and the Table of Contents herein are for purposes of reference
only and shall not otherwise affect the meaning or interpretation of any
provision hereof.

                                       40
<PAGE>
 
                            (SIGNATURE PAGES FOLLOW)

                                       41
<PAGE>
 
     IN WITNESS WHEREOF, the Transferor and the Trustee have caused this
Agreement to be duly executed and delivered by their respective officers as of
the day and year first above written.

                              WILMINGTON TRUST COMPANY, as the Trustee, and not
                              in its individual capacity

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



                              PRINCIPAL HEALTH CARE, INC., as the Transferor

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


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



The undersigned agrees, as of the date first above written, to comply with the
requirements for the Issuer, including as servicer, set forth in the foregoing
Amended and Restated Trust Agreement, without charge to the Trust.

 UNITED PAYORS & UNITED PROVIDERS, INC.
 By: 
        -------------------------------
 Title: 
        -------------------------------


The undersigned agrees, as of the date first above written, to comply with the
requirements for the Administrator set forth in the foregoing Amended and
Restated Trust Agreement, without charge to the Trust.

- - ---------------------------------------
Bette B. Anderson

                                       42

<PAGE>
 
   __________________________________________________________________________


                         SECURITIES PURCHASE AGREEMENT

                         Dated as of February 25, 1999



                         INDEPENDENT DIVESTMENT TRUST,
                                 as the Seller

                                      and

                               THOMAS L. BLAIR,
                                 as the Buyer


  __________________________________________________________________________


<PAGE>
 
                               TABLE OF CONTENTS
<TABLE>
<CAPTION>

                                                                           Page
<S>  <C>                                                                   <C>
1.    Purchase and Sale of Shares............................................1
2.    Purchase Price.........................................................1
 (a)    Share Purchase Price.................................................1
 (b)    Fair Market Value....................................................1
 (c)    Adjustments..........................................................2
 (d)    Merger Adjustments...................................................2
3.    Closings; Payment of Purchase Price; Put Right of the Seller...........3
 (a)    Maturity Closing.....................................................3
 (b)    Early Closings.......................................................3
 (c)    Certain Events.......................................................3
 (d)    Deliveries...........................................................4
4.    Representations and Warranties of the Seller...........................4
 (a)    The Shares...........................................................4
 (b)    Authorization, Execution and Delivery................................5
 (c)    No Conflicts.........................................................5
 (d)    Governmental Approvals; Other Consents...............................5
 (e)    Enforceability; Etc..................................................5
5.    Representations and Warranties of the Buyer............................5
 (a)    Residence............................................................5
 (b)    Claims and Proceedings...............................................5
 (c)    Authorization........................................................6
 (d)    No Conflicts.........................................................6
 (e)    Governmental Approvals; Other Consents...............................6
 (f)    Enforceability; Etc..................................................6
 (g)    Investment Intent....................................................6
 (h)    Restricted Stock.....................................................6
 (i)    Status; Investigation................................................7
6.    Covenants of the Buyer.................................................7
 (a)    Reporting............................................................7
 (b)    Transfers............................................................7
</TABLE>


                                       i
<PAGE>

 (c)    Compensation and Reimbursement......................... 7
7.    Conditions Precedent to Obligations of the Seller........ 8
 (a)    Representations and Warranties of the Buyer Correct.... 8
 (b)    Compliance with Covenants and Conditions............... 8
 (c)    Delivery of Certificate................................ 8
 (d)    Opinion of Counsel..................................... 8
 (e)    Proceedings............................................ 8
 (f)    Approvals and Consents................................. 8
 (g)    Claims and Proceedings................................. 8
8.    Conditions Precedent to Obligations of the Buyer......... 9
 (a)    Representations and Warranties of the Seller........... 9
 (b)    Compliance with Covenants and Conditions............... 9
 (c)    Delivery of Certificates............................... 9
 (d)    Proceedings............................................ 9
 (e)    Approvals and Consents................................. 9
 (f)    Claims and Proceedings................................. 9
9.    Termination of Agreement................................. 9
 (a)    Mutual Consent......................................... 9
 (b)    Condition Failure by the Buyer......................... 9
 (c)    Condition Failure by the Seller........................10
10.   Brokers..................................................10
11.   Expenses.................................................10
12.   Survival of Representations, Warranties and Covenants....10
13.   Successors and Assigns...................................10
14.   Notices..................................................11
15.   Complete Agreement.......................................12
16.   Amendments; Waivers......................................12
17.   Governing Law............................................12
18.   Invalid Provisions.......................................12
19.   Further Assurances.......................................12
20.   Trustee..................................................13
21.   Counterparts.............................................13



                                      ii
<PAGE>
 
                         SECURITIES PURCHASE AGREEMENT

     THIS SECURITIES PURCHASE AGREEMENT (this Agreement") is made and entered
                                              ---------                      
into as of the 25th day of February, 1999, by and between Independent Divestment
Trust (the "Seller") and Thomas L. Blair (the "Buyer").
            ------                             -----   

     WHEREAS, the Seller owns beneficially and of record 4,500,000 shares (the
"Shares") of  the outstanding shares of common stock, par value $.01 per share
- - -------                                                                       
(the "Common Stock"), of United Payors & United Providers, Inc., a Delaware
      ------------                                                         
corporation (the "Company"); and
                  --------      

     WHEREAS, subject to and on the terms and conditions contained herein, the
Seller desires to sell to the Buyer and the Buyer desires to purchase from the
Seller all of the Shares.

     NOW THEREFORE, in consideration of the premises, the mutual covenants and
agreements of the parties contained herein, and of other good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged by
each of the parties (including the non-refundable payment by the Buyer of
$13,225,000 to the Seller by wire transfer on the date hereof), the parties do
hereby represent, warrant, covenant and agree as follows:

     1.   Purchase and Sale of Shares.  Subject to and on the terms and
conditions contained herein, and in reliance on the representations and
warranties contained herein, the Buyer agrees to purchase from the Seller, and
the Seller agrees to sell to the Buyer, the Shares at the purchase price and at
the time(s) specified in Sections 2 and 3 of this Agreement.

     2.   Purchase Price.

          (a) Share Purchase Price.  The purchase price per Share at any Closing
(as defined in Section 3(b)) shall be an amount equal to (i) the Fair Market
Value of the Common Stock (as determined in Section 2(b) below) less (ii) $2.94
(equal to $13,225,000 / 4,500,000); subject to adjustment as provided in Section
2(c) or 2(d) below (the "Share Purchase Price").
                         --------------------   

          (b) Fair Market Value.  "Fair Market Value" for purposes of any
Closing shall mean:

              (i) the average of the per-share closing sale prices of the
     Company's Common Stock for the 10 trading days immediately preceding a
     Closing Date (as defined in Section 3 of this Agreement) on the principal
     United States securities exchange registered under the Exchange Act of
     1934, as amended on which the Common Stock is listed, or if the shares are
     not listed on any such exchange, on the NASDAQ National Market, or


<PAGE>
 
                 (ii) if clause (i) above is inapplicable, then $27.60;

provided, however, that in no event shall Fair Market Value be less than $23.00
or greater than $27.60.

          (c)    Adjustments. The Share Purchase Price shall be adjusted to
reflect fully the effect of any stock split, reverse split, stock dividend,
reorganization, recapitalization or other like change with respect to a share of
Common Stock occurring after the date hereof and prior to termination of this
Agreement.  In addition, each cash dividend (or other cash distribution)
received by the Seller with respect to a Share shall (i) cause a reduction in
the Share Purchase Price in an amount equal to the cash dividend (or other cash
distribution) received per Share, and (ii) after taking into account such Share
Purchase Price reduction, be deemed the property of the Seller (and the Buyer
shall have no rights with respect thereto).  Furthermore, each distribution of
property or other assets other than a cash distribution or a distribution of
shares of Common Stock with respect to a Share shall be included along with such
Share upon its purchase by the Buyer.

          (d)    Merger Adjustments. In case of any consolidation or merger of
the Company with or into another corporation or other entity (other than a
consolidation or merger in which the Company is the continuing corporation and
which does not result in any reclassification, capital reorganization or other
change of outstanding shares of Common Stock of the Company), or in case of any
sale or conveyance to another corporation or other entity of the property of the
Company as, or substantially as, an entirety, then the Buyer shall be entitled
to purchase, at the Share Purchase Price determined as of the time of such
consolidation, merger, sale or conveyance (as adjusted in accordance with this
Section 2(d)) and consistent with the terms of this Agreement, the kind and
number of shares of stock or other securities or property (excluding cash)
received by the Seller per Share upon such consolidation, merger, sale or
conveyance. For purposes of this Section 2(d), the Share Purchase Price shall be
reduced by the amount of cash received by the Seller per Share in connection
with any such consolidation, merger, sale or conveyance, and, after taking into
account such Share Purchase Price reduction, such cash shall be deemed the
property of the Seller (and the Buyer shall have no rights with respect
thereto); provided, however, if the amount of such cash per Share exceeds the
then-applicable Share Purchase Price, then all amounts in excess of the then-
applicable Share Purchase Price (together with the Shares or other stock or
property received with respect to such Shares) shall be distributed by the
Seller to the Buyer and this Agreement shall be deemed immediately terminated
upon such distribution. If the property received by the Seller in connection
with any such consolidation, merger, sale or conveyance consists totally of
cash, and the amount of such cash per Share is less than $23.00, then the
obligation of the Buyer at Closing shall be solely to pay to the Seller an
amount equal to the difference between the cash received per Share and $23.00.


                                       2
<PAGE>
 
     3.   Closings; Payment of Purchase Price; Put Right of the Seller.

          (a)    Maturity Closing. Subject to the terms and conditions contained
in this Agreement, the closing of the sale to, and purchase by, the Buyer of the
Shares shall occur at the offices of the Wilmington Trust Company, Wilmington,
Delaware, at 10:00 a.m., Wilmington time (the "Maturity Closing"), on February
                                               ----------------               
25, 2003, or such other place and time mutually agreed to by the Seller and the
Buyer (the "Maturity Closing Date").
            ---------------------   

          (b)    Early Closings.  Notwithstanding Section 3(a) above, subject to
the terms and conditions contained in the Agreement, the Buyer may purchase some
or all of the Shares prior to the Maturity Closing Date on one or more Early
Closing Dates (as defined below in this Section 3(b)) by providing the Seller
with one or more written notices specifying the number of Shares to be purchased
on such Early Closing Date.  The closing(s) of the sale to, and purchase by, the
Buyer of any Shares under this Section 3(b) shall occur at the offices of the
Wilmington Trust Company, Wilmington, Delaware, or such other place mutually
agreed to by the Seller and the Buyer, at 10:00 a.m., Wilmington time (each an
"Early Closing" and, collectively with the Maturity Closing and an Event Closing
- - --------------                                                                  
(as defined in Section 3(c) below), sometimes referred to herein as a
"Closing"), on the date that is three business days following the date of the
 -------                                                                     
written notice(s) of the Buyer to the Seller triggering such purchase and sale,
or such other time or place as the parties shall mutually agree upon.  The date
on which an Early Closing shall be held is referred to in this Agreement as an
"Early Closing Date" and, collectively with the Maturity Closing Date and an
- - -------------------                                                         
Event Closing Date (as defined in Section 3(c) below), sometimes referred to in
this Agreement as a "Closing Date").
                     ------------   

          (c)    Certain Events Upon the occurrence of any Certain Event (as
defined below), the Seller may accelerate the purchase obligations of the Buyer
hereunder to a date not less than 30 days nor more than 60 days after the Seller
receives notice of the occurrence of a Certain Event (the "Occurrence Date").
                                                           ---------------    
The option of the Seller under this Section 3(c) shall be exercised by the
Seller delivering written notice thereof to the Buyer with 15 days after the
Occurrence Date.  In such notice, the Seller shall designate the time and place
of such accelerated closing (an "Event Closing").  The date of such Event
                                 -------------                           
Closing is referred to in this Agreement as an "Event Closing Date".  At any
                                                ------------------          
such Event Closing, the Buyer shall be obligated to purchase and the Seller
shall be obligated to sell all Shares held by the Seller at the time of the
Event Closing.

     For purposes of this Agreement, a "Certain Event" shall mean any one or
                                        -------------                       
more of the following:

          (i)    the death of Thomas L. Blair ("Mr. Blair");
                                                ---------   


                                       3
<PAGE>
 
          (ii)   an assignment by Mr. Blair for the benefit of creditors or a
                 petition or application by Mr. Blair to any tribunal for the
                 appointment of a custodian, receiver or trustee;

          (iii)  the commencement by Mr. Blair of any proceeding under any
                 bankruptcy, reorganization, arrangement, readjustment of debt
                 or liquidation law or statute of any jurisdiction, whether now
                 or hereafter in effect;

          (iv)   the commencement of any proceeding set forth in (iii) above
                 against Mr. Blair in which an order for relief is entered;

          (v)    Mr. Blair, whether by any act or intentional and purposeful
                 omission, consents to, approves of or acquiesces in any
                 petition, application, proceeding, order for relief or the
                 appointment of a custodian, receiver or trustee with respect to
                 any proceeding set forth in (iii) or (iv) above;

          (vi)   the continuation of any custodianship, receivership, or
                 trusteeship established under any proceeding set forth in (ii),
                 (iii) or (iv) above, undischarged, for a period of 60 days or
                 more; or

          (vii)  the default by Mr. Blair in the timely payment of any
                 indebtedness or obligation for borrowed money, which in the
                 aggregate exceeds $1,000,000, and the continuation of such
                 default beyond any cure period provided with respect thereto
                 except for challenges made in good faith.

          (d)    Deliveries. At each Closing, (i) the Seller shall deliver to
the Buyer certificates representing the Shares being purchased by the Buyer at
such Closing, endorsed in blank or accompanied by duly executed assignment
documents, against payment of the aggregate amount of the Share Purchase Prices
for such Shares, payable in accordance with Section 2 of this Agreement by wire
transfer of immediately available funds to an account designated in writing by
the Seller and (b) the parties shall make the other deliveries provided in
Section 7 and 8 of this Agreement, as applicable. The parties agree that they
will cooperate with the Company to obtain certificates in the appropriate
denominations to satisfy the Seller's delivery obligations at any Closing.

     4.   Representations and Warranties of the Seller.  The Seller represents
and warrants to the Buyer as follows:

          (a)    The Shares. All of the Shares are owned by and registered in
the name of the Seller, free and clear of any liens, charges, pledges,
encumbrances, defects, restrictions or rights of third parties. As of each
Closing (as a result of the sale of the Shares by Seller to the


                                       4
<PAGE>
 
Buyer pursuant to this Agreement), the Buyer will receive title to the Shares
purchased at such Closing free and clear of any liens, charges, pledges,
encumbrances, defects, restrictions or rights of third parties.

          (b)    Authorization, Execution and Delivery. The Seller has all
requisite power and authority to enter into this Agreement and to carry out the
transactions contemplated herein. The execution, delivery and performance by the
Seller of this Agreement have been duly authorized by all necessary action on
the part of the Seller.

          (c)    No Conflicts. The execution, delivery and performance by the
Seller of this Agreement, and the consummation of the transactions contemplated
in this Agreement, do not and will not (i) violate any provision of any law
(foreign, Federal, state or local), treaties, statutes, ordinances, decrees,
injunctions, writes, orders, rules or regulations of any governmental authority
(collectively, "Law") applicable to the Seller or its property, the Amended and
                ---                                                            
Restated Trust Agreement dated as of February 25, 1999 with respect to the
Independent Divestment Trust or any order, judgment or decree of any court or
other agency of government binding on the Seller, (ii) conflict with, result in
a breach of or constitute (with due notice or lapse of time or both) a default
under any contractual obligation of the Seller, or (iii) require any approval or
consent of any Person under any contractual obligation of the Seller.

          (d)    Governmental Approvals; Other Consents.  No authorization,
approval or consent of, or filing with, any governmental authority or other
person or entity (other than those required under the Antitrust Improvements Act
of 1976 (the "HSR Act")) is required in connection with the execution, delivery
              -------                                                          
and performance by the Seller of this Agreement.

          (e)    Enforceability; Etc. This Agreement has been duly executed and
delivered by the Seller and constitutes the legally valid and binding obligation
of the Seller, enforceable against the Seller in accordance with its terms,
except as may be limited by bankruptcy, insolvency, receivership,
conservatorship, liquidation, reorganization, moratorium or similar Laws
relating to or affecting creditors' rights generally (including, without
limitation, fraudulent conveyance Laws) and by general principles of equity.

     5.   Representations and Warranties of the Buyer.  The Buyer represents and
warrants to the Seller as follows:

          (a)    Residence.  The Buyer is a resident of the State of Maryland.

          (b)    Claims and Proceedings. There is no legal action, arbitration,
or governmental proceeding or investigation pending or threatened against or
affecting the Buyer that could adversely affect or prevent the purchase and sale
of the Shares.

                                       5
<PAGE>
 
          (c)    Authorization. The Buyer has all requisite power and authority
to execute, deliver and perform this Agreement and to carry out the transactions
contemplated herein.

          (d)    No Conflicts.  The execution, delivery and performance by the
Buyer of this Agreement, and the consummation of the transactions contemplated
in this Agreement, do not and will not (i) violate any provision of any Law
applicable to the Buyer or any order, judgment or decree of any court or other
agency of government binding on the Buyer or his property, (ii) conflict with,
result in a breach of or constitute (with due notice or lapse of time or both) a
default under any contractual obligation of the Buyer, or (iii) require any
approval or consent of any Person under any contractual obligation of the Buyer.

          (e)    Governmental Approvals; Other Consents.  No authorization,
approval or consent of, or filing with, any governmental authority or other
person or entity (other than those required under or by the HSR Act) is required
in connection with the execution, delivery and performance by the Buyer of this
Agreement.
 
          (f)    Enforceability; Etc.  This Agreement has been duly executed and
delivered by the Buyer and constitutes the legally valid and binding obligation
of the Buyer, enforceable against the Buyer in accordance with its terms, except
as may be limited by bankruptcy, insolvency, receivership, conservatorship,
liquidation, reorganization, moratorium or similar Laws relating to or affecting
creditors' rights generally (including, without limitation, fraudulent
conveyance Laws) and by general principles of equity.

          (g)    Investment Intent. The Buyer is entering into this Agreement
and is acquiring the Shares for his own account for investment and not with a
view to any resale or distribution thereof such as would require registration
under Section 5 of the Securities Act of 1933, as amended (the "Act").
                                                                ---   

          (h)    Restricted Stock.  The Buyer understands that based upon the
representations of the Buyer contained in this Agreement, the rights evidenced
by this Agreement and the Shares have not been registered under the Act or
applicable state securities laws in reliance on exemptions from registration
under the Act and applicable state securities laws.  The Buyer is fully informed
and aware of the circumstances under which such rights and the Shares must be
held and the restrictions upon the transfer or resale of such rights and the
Shares under the Act and any applicable state securities laws.  In this
connection, the Buyer understands that the rights evidenced by this Agreement
and the Shares may not be transferred or resold unless they are registered under
the Act and any applicable state securities laws or unless an exemption from
such registration is available.

          (i)    Status; Investigation. The Buyer is the Chairman of the Board
and Chief


                                       6
<PAGE>
 
Executive Officer of the Company. The Buyer has such knowledge and experience in
financial and business matters that the Buyer is capable of evaluating the
merits and risks of the investment to be made by the Buyer under this Agreement.
The Buyer has and has had access to all of the Company's material books and
records and access to the Company's executive officers has been provided to the
Buyer or to the Buyer's qualified agents.

     6.   Covenants of the Buyer.  The Buyer covenants and agrees with the
Seller as follows:

          (a)    Reporting.  The Buyer shall provide a statement of net worth
report to the Seller on an annual basis.  Such reports shall be certified by the
Buyer and delivered to the Seller within 30 days after the end of each year-end
during the term of this Agreement.  In addition, the Buyer shall provide a
statement of net worth for any interim quarterly period as the Seller may
reasonably request.

          (b)    Transfers.  During the term of this Agreement, the Buyer shall
not (i) transfer or attempt to transfer any of the Buyer's rights under this
Agreement, except in accordance with Section 13 of this Agreement or (ii)
create, incur, assume or suffer to exist any lien, security interest, charge or
other encumbrance upon the Buyer's rights under this Agreement.

          (c)    Compensation and Reimbursement.  The Buyer agrees:

     (i)          to pay the reasonable fees and expenses of the Trustee, the
Registrar, the Paying Agent, the Custodian and the Dealer Advisor incurred in
accordance with the Trust Agreement, all as set forth in and subject to the
limitations of that certain fee schedule dated as of the Closing Date between
the Trustee and the Trust;

     (ii)         to indemnify the Seller (in its individual capacity and as
Trustee of the Trust), its directors, officers, employees and agents for, and to
hold it harmless against, any Loss arising out of or in connection with the
transactions contemplated herein or in the Trust Agreement or the Basic
Documents referenced therein or the acceptance or administration of the Trust,
including the reasonable costs and expenses of defense against any claim or
liability asserted at any time against such Persons in connection herewith;
provided, however, that the Buyer shall not be required to indemnify any such
Person to the extent such Loss resulted from such Person's gross negligence,
willful misconduct or bad faith; and

     (iii)        that the obligations of the Buyer to the Seller under this
Section 6(c) shall survive the resignation or removal of the Seller as Trustee
of the Trust.

     7.   Conditions Precedent to Obligations of the Seller.  The obligations of
the Seller 

                                       7
<PAGE>
 
to perform and observe the covenants, agreements and conditions hereof to be
performed and observed by it with respect to any Closing shall be subject to the
satisfaction at or before the time of such Closing of the following conditions,
any one or more of which may be waived by the Seller (except for (f) below,
which may not be waived):

          (a)    Representations and Warranties of the Buyer Correct.  The
representations and warranties of the Buyer contained in Section 5 of this
Agreement shall be true and correct in all material respects as of the time of
the Closing as though such representations and warranties had been made on and
as of the applicable Closing Date; provided, however, if any interest in this
Agreement has been transferred in accordance with Section 13 of this Agreement,
and such transferee is acting as a "Buyer" hereunder, then such transferee
shall, as of the time of the Closing, make representations and warranties to the
Seller substantially similar, in scope and effect, to those set forth in Section
5 of this Agreement.

          (b)    Compliance with Covenants and Conditions.  The Buyer shall have
performed and observed, or caused to be performed and observed in all material
respects, all covenants, agreements and conditions hereof to be preformed or
observed by him or it at or before the time of the Closing.

          (c)    Delivery of Certificate.  The Seller shall have received a
favorable certificate, dated as of the applicable Closing Date, signed by the
Buyer, as to the matters set forth in Sections 7(a) and 7(b) of this Agreement.

          (d)    Opinion of Counsel.  The Seller shall have received a favorable
opinion of counsel to the Buyer, Muldoon, Murphy & Faucette LLP or such other
counsel reasonably satisfactory to the Seller, dated as of the applicable
Closing Date, covering the matters set forth in Exhibit A hereto.

          (e)    Proceedings.  All proceedings and related actions taken by the
Buyer in connection with the transactions contemplated by this Agreement shall
have been reasonably satisfactory to the Seller.

          (f)    Approvals and Consents. All applicable waiting periods under
the HSR Act shall have expired.

          (g)    Claims and Proceedings.  No person, firm, corporation or
governmental agency shall have instituted an action or proceeding seeking to
restrain, enjoin or prohibit the consummation of the transactions contemplated
by this Agreement.

     8.   Conditions Precedent to Obligations of the Buyer.  The obligations of
the Buyer 


                                       8
<PAGE>
 
to perform and observe the covenants, agreements and conditions hereof to be
performed and observed by it with respect to any Closing shall be subject to the
satisfaction at or before the time of such Closing of the following conditions,
any one or more of which may be waived by the Buyer (except for (f) below, which
may not be waived):

          (a)    Representations and Warranties of the Seller. The
representations and warranties of the Seller contained in Section 4 of this
Agreement shall be true and correct in all material respects as of the time of
the Closing, as though such representations and warranties had been made on and
as of the applicable Closing Date.

          (b)    Compliance with Covenants and Conditions. The Seller shall have
performed and observed, or caused to be performed or observed in all material
respects, all covenants, agreements and conditions hereof to be performed or
observed by the Seller at or before the time of the Closing.

          (c)    Delivery of Certificates. The Buyer shall have received
favorable certificates, dated as of the Closing Date, signed by an authorized
officer of the Seller, as to the matters set forth in Sections 8(a) and 8(b) of
this Agreement.

          (d)    Proceedings.  All proceedings and related actions taken by the
Seller in connection with the transactions contemplated by this Agreement shall
have been reasonably satisfactory to counsel for the Buyer.

          (e)    Approvals and Consents. All applicable waiting periods under
the HSR Act shall have expired.

          (f)    Claims and Proceedings.  No person, firm, corporation or
governmental agency shall have instituted an action or proceeding seeking to
restrain, enjoin or prohibit the consummation of the transactions contemplated
by this Agreement.

     9.   Termination of Agreement.

          (a)    Mutual Consent.  This Agreement may be terminated by mutual
consent of the Seller and the Buyer.

          (b)    Condition Failure by the Buyer. This Agreement may be
terminated by the Seller if any of the conditions set forth in Section 8 of this
Agreement shall become impossible to fulfill other than for reasons within the
control of the Seller, and such conditions shall not have been waived by the
Seller.


                                       9
<PAGE>
 
          (c)    Condition Failure by the Seller. This Agreement may be
terminated by the Buyer if any of the conditions set forth in Section 7 of this
Agreement shall become impossible to fulfill other than for reasons within the
control of the Buyer, and such conditions shall not have been waived by the
Buyer.

     In the event of termination of this Agreement under Sections 9(a), (b) or
(c), written notice thereof shall be given to the other party and this Agreement
shall terminate.  The termination of this Agreement pursuant to this Section 9
shall not terminate, limit or otherwise effect the right of a party hereto to
recover damages or exercise any other remedies against the other party hereto
based upon breach by such party of any representations and warranties contained
in this Agreement or any covenant or agreement of such other party under this
Agreement.

     10.  Brokers.  The parties represent to each other that they have not
engaged any broker or finder in connection with this Agreement, and each party
will hold the other harmless from any claim, demand or liability for any
broker's, finder's or similar fees alleged to have been incurred by such party
or any of its officers, directors, agents or employees in connection with this
Agreement or the transactions contemplated hereby.

     11.  Expenses.  All expenses incurred or to be incurred by the Buyer in
connection with any Closing under this Agreement shall be borne by the Buyer,
and all expenses incurred or to be incurred by the Seller in connection with any
Closing under this Agreement shall be borne by the Seller.

     12.  Survival of Representations, Warranties and Covenants.  The
representations and warranties contained in Sections 4 and 5 of this Agreement
shall survive the execution of this Agreement or any termination of this
Agreement or consummation of the transactions contemplated hereby.  Covenants
contained herein shall survive execution of this Agreement or any termination of
the Agreement or consummation of the transactions contemplated hereby in
accordance with their specific terms.

     13.  Successors and Assigns.  This Agreement shall be binding upon and
inure to the benefit of the parties hereto and their respective heirs,
representatives, successors and permitted assigns, but shall not be assignable
by either party hereto without the prior written consent of the other party.
Notwithstanding the foregoing, this Agreement or any interest herein may be
transferred and assigned by the Buyer without the consent of the Seller if the
Buyer shall deliver to the Seller an opinion of counsel, satisfactory to the
Seller, that (i) such transfer and assignment does not require registration
under the Act or under all applicable state securities laws, (ii) does not
impair the exceptions from such registration requirements relied upon by the
Buyer in connection with this Agreement or any sale of Shares hereunder and
(iii) the proposed transferee 


                                       10
<PAGE>
 
is not an "investment company" or "controlled" by an "investment company" within
the meaning of the Investment Company Act of 1940, as amended. In addition, any
transfer or assignment in accordance with the prior sentence shall be
conditioned upon receipt by the Seller of an acknowledgement by the proposed
transferee to the effect that such transferee understands and agrees that he,
she or it shall be subject to all of the obligations, terms and conditions of
this Agreement (including without limitation those imposed by Section 3 of this
Agreement) with respect to such transferred interest. Any such permitted
transferee or assignee shall be deemed a "Buyer" for purposes of this Agreement.
Thomas L. Blair hereby agrees that he shall remain personally liable for all
obligations of any and all "Buyers" hereunder, notwithstanding any permitted
assignment or transfer. In the event of a default or breach by any permitted
transferee or assignee under this Agreement, the Seller may proceed directly
against Mr. Blair without the necessity of exhausting remedies against such
transferee or assignee.

     14.  Notices.  Any notice or other communication provided for in, or given
under, this Agreement shall be in writing and shall be deemed to be received
when delivered in person or when sent by facsimile transmission or five days
after mailing by registered or certified mail, return receipt requested,
addressed as follows:

          If to the Buyer:

                 Thomas L. Blair
                 11610 Highland Farm Road
                 Potomac, MD  20854


          with a copy to:

                 Edward S. Civera
                 United Payors & United Providers, Inc.
                 2275 Research Boulevard
                 Sixth Floor
                 Rockville, MD  20850


                                       11
<PAGE>
 
          If to the Seller:

                 Wilmington Trust Company, as Trustee
                  for Independent Divestment Trust
                 Rodney Square North
                 1100 North Market Street
                 Wilmington, DE  19890-0001
                 Attention:  Corporate Trust Administration


          with a copy to:

                 Richards, Layton & Finger, P.A.
                 c/o Martin I. Lubaroff
                 One Rodney Square
                 10th and King Street
                 Wilmington, DE  19801

or to such other address with respect to any party as such party shall notify
the others in writing as above provided.

     15.  Complete Agreement.  This Agreement contains the complete agreement
among the parties hereto with respect to the transaction contemplated by this
Agreement and supersedes all prior agreements and understandings among the
parties with respect thereto.

     16.  Amendments; Waivers.  Except as otherwise specifically stated herein,
any provision of this Agreement may be amended by, and only by, a written
instrument executed by the parties.  Either party may extend the time for or
waive the performance of any obligation of the other party, waive any
inaccuracies in the representations or warranties by the other party, or waive
compliance by the other party with any of the terms and conditions contained in
this Agreement.  Any such extension or waiver shall be in writing and executed
by the party granting such extension or waiver.

     17.  Governing Law.  This Agreement shall be construed and enforced in
accordance with the laws of the State of Delaware (without regard to principles
of conflict of laws).

     18.  Invalid Provisions.  If any provision hereof is held to be illegal,
invalid or unenforceable under present or future laws effective during the term
of this Agreement, such provision shall be fully severable.  This Agreement
shall be construed and enforced as if such illegal, invalid or unenforceable
provision had never compromised a part hereof, and the 



                                       12
<PAGE>
 
remaining provisions hereof shall remain in full force and effect and shall not
be affected by the illegal, invalid or unenforceable provision or by its
severance herefrom. In lieu of such illegal, invalid or unenforceable provision
there shall be added automatically to this Agreement a provision as similar in
terms and economic effect to such illegal, invalid or unenforceable provision as
may be possible and be legal, valid and enforceable.

     19.  Further Assurances.  The Buyer and the Seller agree to do and perform,
from time to time, any and all acts and to execute any and all further
instruments necessary or reasonably required by the other party hereto to effect
the purposes hereof.

     20.  Trustee.  It is expressly understood and agreed by the parties hereto
that (a) this Agreement is executed and delivered by Wilmington Trust Company
(the "Trustee"), not individually or personally but solely as trustee of the
Seller in the exercise of the powers and authority conferred and vested in it
under the Amended and Restated Trust Agreement dated as of February 25, 1999
between the Trustee, as the Trustee of the Seller and Principal Health Care,
Inc., as the Transferor and the Initial Holder, (b) each of the representations,
undertakings and agreements herein made on the part of the Trust is made and
intended not as personal representations, undertakings and agreements by
Wilmington Trust Company but is made and intended for the purpose of binding
only the Seller and (c) under no circumstances shall the Trustee be personally
liable for the payment of any indebtedness or expenses of the Trust or be liable
for the breach or failure of any obligation, representations, warranty or
covenant made or undertaken by the Seller under this Agreement.  Notwithstanding
the foregoing, the parties hereto agree that the Trustee is a third party
beneficiary of the provisions of Section 6(c) of this Agreement.

     21.  Counterparts.  This Agreement may be executed in two counterparts and
by the different parties on separate counterparts, each of which shall be deemed
an original but both of which together shall constitute but one instrument.



                          (SIGNATURE PAGES TO FOLLOW)



                                      13
<PAGE>
 
     IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed and delivered as of the date first above written.


                              BUYER



                              ___________________________________
                              Thomas L. Blair

                              INDEPENDENT DIVESTMENT TRUST

                              By:  Wilmington Trust Company, solely as Trustee,
                              and not in its individual capacity


                              By: _______________________________
                                  Name:
                                  Title:



          (SIGNATURE PAGE 1 OF 1 TO THE SECURITY PURCHASE AGREEMENT)



                                      14


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