Document:

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                                                                     Exhibit 4.1

                            DUKE CAPITAL CORPORATION

                                       TO

                            THE CHASE MANHATTAN BANK

                                                    Trustee

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

                          Third Supplemental Indenture

                           Dated as of March   , 2001

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

                                     $

                              % Senior Notes due 2006

                               ----------------
<PAGE>

                             TABLE OF CONTENTS (1)

                                   ARTICLE 1

                             % Senior Notes due 2006

<TABLE>
<CAPTION>
                                                                          Page
                                                                          ----
 <C>          <S>                                                         <C>
 Section 101. Establishment.............................................    1
 Section 102. Definitions...............................................    2
 Section 103. Stated Maturity; Payment of Principal and Interest........    3
 Section 104. Form; Denominations.......................................    5
 Section 105. Global 2006 Notes.........................................    5
 Section 106. Defeasance; Covenant Defeasance...........................    5
 Section 107. Paying Agents; Transfer Agents; Place of Payment..........    5

                                   ARTICLE 2

                             Redemption; Repurchase

 Section 201. Tax Event Redemption......................................    6
 Section 202. Redemption Procedures for 2006 Notes......................    6
 Section 203. No Sinking Fund...........................................    6

 Section 204. Option to Put 2006 Notes upon Failed Secondary
              Remarketing...............................................    6
 Section 205. Repurchase Procedure for 2006 Notes.......................    7
 Section 206. No Conditional Redemption.................................

                                   ARTICLE 3

                                  Remarketing

 Section 301. Initial Remarketing Procedures............................    7
 Section 302. Secondary Remarketing Procedures..........................   10

                                   ARTICLE 4

                            Miscellaneous Provisions

 Section 401. Recitals by Corporation...................................   12
 Section 402. Ratification and Incorporation of Original Indenture......   12
 Section 403. Executed in Counterparts..................................   12
 Section 404. Consent of Remarketing Agent..............................   12
</TABLE>

Exhibit A Form of   % Senior Note due 2006
Exhibit B Certificate of Authentication
--------
(1) This Table of Contents does not constitute part of the Indenture or have
    any bearing upon the interpretation of any of its terms and provisions.

                                       i
<PAGE>

THIS THIRD SUPPLEMENTAL INDENTURE is made as of the    day of March, 2001, by
and between DUKE CAPITAL CORPORATION, a Delaware corporation, having its
principal office at 526 South Church Street, Charlotte, North Carolina 28202
(the "Corporation"), and THE CHASE MANHATTAN BANK, a New York banking
corporation, as Trustee (herein called the "Trustee").

                              W I T N E S S E T H:

WHEREAS, the Corporation has heretofore entered into a Senior Indenture, dated
as of April 1, 1998 (the "Original Indenture") with The Chase Manhattan Bank,
as Trustee;

WHEREAS, the Original Indenture is incorporated herein by this reference and
the Original Indenture, as amended and supplemented to the date hereof,
including by this Third Supplemental Indenture, is herein called the
"Indenture";

WHEREAS, under the Indenture, a new series of Securities may at any time be
established in accordance with the provisions of the Indenture and the terms of
such series may be described by a supplemental indenture executed by the
Corporation and the Trustee;

WHEREAS, the Corporation proposes to create under the Indenture a new series of
Securities;

WHEREAS, additional Securities of other series hereafter established, except as
may be limited in the Indenture as at the time supplemented and modified, may
be issued from time to time pursuant to the Indenture as at the time
supplemented and modified; and

WHEREAS, all conditions necessary to authorize the execution and delivery of
this Third Supplemental Indenture and to make it a valid and binding obligation
of the Corporation have been done or performed.

NOW, THEREFORE, in consideration of the agreements and obligations set forth
herein and for other good and valuable consideration, the sufficiency of which
is hereby acknowledged, the parties hereto hereby agree as follows:

                                   ARTICLE 1

                            % Senior Notes Due 2006

Section 101. Establishment. There is hereby established a new series of
Securities to be issued under the Indenture, to be designated as the
Corporation's    % Senior Notes due 2006 (the "2006 Notes").

There are to be authenticated and delivered $      principal amount of 2006
Notes (plus such additional principal amount of 2006 Notes, not exceeding
$     , if the over-allotment option referred to in the Underwriting Agreement
(as defined in Section 102(a)) is exercised in whole or in part), and no
further 2006 Notes shall be authenticated and delivered except as provided by
Section 304, 305, 306, 906 or 1106 of the Original Indenture. The 2006 Notes
may be issued from time to time pursuant to a Company Order delivered to the
Trustee for the authentication and delivery of 2006 Notes pursuant to Section
303 of the Original Indenture. The 2006 Notes shall be issued in fully
registered form without coupons.
<PAGE>

The 2006 Notes shall be in substantially the form set out in Exhibit A hereto,
and the form of the Trustee's Certificate of Authentication for the 2006 Notes
shall be in substantially the form set forth in Exhibit B hereto.

Each 2006 Note shall be dated the date of authentication thereof and shall bear
interest from the date of original issuance thereof or from the most recent
Interest Payment Date to which interest has been paid or duly provided for.

Section 102. Definitions. The following defined terms used herein shall, unless
the context otherwise requires, have the meanings specified below. Capitalized
terms used herein for which no definition is provided herein shall have the
meanings set forth in the Original Indenture.

(a) The following terms have the meanings given to them in the Purchase
Contract Agreement: (i) Applicable Principal Amount; (ii) Authorized Newspaper;
(iii) Cash Settlement; (iv) Corporate Units; (v) Initial Remarketing; (vi)
Initial Remarketing Date; (vii) Quotation Agent; (viii) Redemption Price; (ix)
Reset Agent; (x) Reset Announcement Date; (xi) Reset Rate; (xii) Reset Spread;
(xiii) Secondary Remarketing; (xiv) Secondary Remarketing Date; (xv) Successful
Initial Remarketing; (xvi) Successful Secondary Remarketing; (xvii) Tax Event;
(xviii) Treasury Portfolio; (xix) Treasury Portfolio Purchase Price; (xx)
Treasury Units; (xxi) Two-Year Benchmark Treasury; (xxii) Two and One-Quarter
Year Benchmark Treasury; and (xxiii) Underwriting Agreement;

(b) The following terms have the meanings given to them in this Section 102(b):

"Clearing Agency" means an organization registered as a "Clearing Agency"
pursuant to Section 17A of the Exchange Act that is acting as a Depositary with
respect to the 2006 Notes and in whose name, or in the name of a nominee of
that organization, shall be registered a Global Security and which shall
undertake to effect book entry transfers and pledges of the 2006 Notes.

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

"Coupon Rate" shall have the meaning set forth in Section 103.

"Custodial Agent" shall have the meaning set forth in the Pledge Agreement.

"Duke Energy" means Duke Energy Corporation, a North Carolina corporation.

"Failed Initial Remarketing" shall have the meaning set forth in Section
301(g).

"Failed Secondary Remarketing" shall have the meaning set forth in Section
302(h).

"Global 2006 Notes" shall have the meaning set forth in Section 105.

"Interest Payment Date" shall have the meaning set forth in Section 103.

                                       2
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"Original Issue Date" means March  , 2001.

"Pledge Agreement" means the Pledge Agreement dated as of March , 2001 among
Duke Energy, Bank One Trust Company, N.A., as collateral agent (the "Collateral
Agent"), custodial agent and securities intermediary, and The Chase Manhattan
Bank, as purchase contract agent and attorney-in-fact.

"Purchase Contract" shall have the meaning set forth in the Purchase Contract
Agreement.

"Purchase Contract Agent" means the "Agent" under the Purchase Contract
Agreement.

"Purchase Contract Agreement" means the Purchase Contract Agreement dated as of
March  , 2001, between Duke Energy and The Chase Manhattan Bank, as purchase
contract agent.

"Purchase Contract Settlement Date" means    , 2004.

"Put-Option" shall have the meaning set forth in Section 204.

"Put-Option Exercise Date" shall have the meaning set forth in Section 204.

"Regular Record Date" means, with respect to any Interest Payment Date for the
2006 Notes, the close of business on the first day of the month in which such
Interest Payment Date falls.

"Remarketing Agent" means Morgan Stanley & Co. Incorporated, any successor
thereto or replacement Remarketing Agent under the Remarketing Agreement.

"Remarketing Agreement" means the Remarketing Agreement, dated as of March  ,
2001, among Duke Energy, the Corporation, the Remarketing Agent and The Chase
Manhattan Bank, as purchase contract agent and attorney-in-fact, which term
shall include any supplemental remarketing agreement between such parties
entered into in connection therewith.

"Reset Effective Date" means (i)      , 2004 in case the interest rate is reset
on the Initial Remarketing Date, or (ii) the Purchase Contract Settlement Date,
in case the interest rate is reset on the Secondary Remarketing Date.

"Stated Maturity" shall have the meaning set forth in Section 103.

"2006 Note Repayment Price" shall have the meaning set forth in Section 204.

"2006 Notes" shall have the meaning specified in Section 101.

Section 103. Stated Maturity; Payment of Principal and Interest.

(a) The date upon which the principal of the 2006 Notes shall become due and
payable at final maturity, together with any accrued and unpaid interest, is
     , 2006 (the "Stated Maturity").

(b) Each 2006 Note will bear interest initially at the rate of % per annum (the
"Coupon Rate") from the original date of issuance through and including the day
immediately preceding the Reset Effective Date and at the Reset Rate thereafter
until the principal thereof is paid or duly made available for payment and
shall bear interest, to the extent permitted by law, compounded quarterly, on
any overdue principal and premium, if any, and on any overdue installment of
interest at the Coupon Rate through and including the day immediately preceding
the Reset Effective Date and at

                                       3
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the Reset Rate thereafter, payable quarterly in arrears on    ,    ,    and
of each year (each, an "Interest Payment Date") commencing on      , 2001, to
the Person in whose name such 2006 Note, or any predecessor 2006 Note, is
registered at the close of business on the Regular Record Date for such
interest installment.

(c) The interest rate on the 2006 Notes will be reset on the Initial
Remarketing Date to the applicable Reset Rate (which Reset Rate will be
effective on and after      , 2004) except in the event of a Failed Initial
Remarketing. In the event of a Failed Initial Remarketing, the interest rate on
the 2006 Notes will be reset on the Secondary Remarketing Date, if any (except
in the case of a Failed Secondary Remarketing), to the applicable Reset Rate
(which Reset Rate will be effective on and after the Purchase Contract
Settlement Date). On the applicable Reset Announcement Date, the applicable
Reset Spread and the Two-Year Benchmark Treasury or Two and One-Quarter Year
Benchmark Treasury, as applicable, will be announced by the Corporation. On the
Business Day immediately following such Reset Announcement Date, the Holders of
2006 Notes will be notified of such Reset Spread and Two-Year Benchmark
Treasury or Two and One-Quarter Year Benchmark Treasury, as applicable, by the
Corporation. Such notice shall be sufficiently given to such Holders of 2006
Notes if published in an Authorized Newspaper.

(d) Not later than seven calendar days nor more than 15 calendar days
immediately preceding the applicable Reset Announcement Date, the Corporation
will request that the Clearing Agency or its nominee (or any successor Clearing
Agency or its nominee) notify the Holders of 2006 Notes of such Reset
Announcement Date and, in the case of a Secondary Remarketing, the procedures
to be followed by such holders of 2006 Notes wishing to settle the related
Purchase Contracts with separate cash on the Business Day immediately preceding
the Purchase Contract Settlement Date.

(e) The amount of interest payable for any period will be computed on the basis
of a 360-day year consisting of twelve 30-day months. Except as provided in the
following sentence, the amount of interest payable for any period other than a
full quarterly period for which interest is computed, will be computed on the
basis of the actual number of days elapsed in such a 90-day period. In the
event that any date on which interest is payable on the 2006 Notes is not a
Business Day, then payment of interest payable on such date will be made on the
next succeeding day which is a Business Day (and without any interest or other
payment in respect of any such delay), except that, if such Business Day is in
the next succeeding calendar year, such payment shall be made on the
immediately preceding Business Day, in each case with the same force and effect
as if made on such date.

Payment of principal of, premium, if any, and interest on the 2006 Notes shall
be made in such coin or currency of the United States of America as at the time
of payment is legal tender for payment of public and private debts. Principal
of and premium, if any, and interest on the 2006 Notes will be payable, at the
office or agency of the Corporation maintained for such purpose as described in
Section 107 below; provided, however, that payment of interest may be made at
the option of the Corporation (i) by check mailed to the address of the Person
entitled thereto as such address shall appear in the Security Register or (ii)
by wire transfer at such place and to such account at a banking institution in
the United States as may be designated in writing to the Trustee at least 16
days prior to the date for payment by the Person entitled thereto. Payments of
principal of, premium, if any, and interest on Global 2006 Notes shall be made
by wire transfer of immediately available funds to the Holder of such Global
2006 Notes; provided that, in the case of payments of principal and premium, if
any, such Global 2006 Notes are first surrendered to the Paying Agent.

                                       4
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Section 104. Form; Denominations. Except as provided in Section 105, the 2006
Notes shall be issued in fully registered definitive form without interest
coupons, bearing identical terms.

The 2006 Notes may be issued, in whole or in part, in global form and, if
issued in global form, the Depositary shall be The Depository Trust Company or
such other Depositary as the Corporation may from time to time designate.

The 2006 Notes shall be issuable in denominations of $25 and integral
multiples of $25 in excess thereof.

Section 105. Global 2006 Notes. Any 2006 Notes that are no longer part of
Corporate Units will be issued initially in the form of one or more Global
Securities (the "Global 2006 Notes") registered in the name of the Depositary
or its nominee. Unless and until they are exchanged for 2006 Notes in
definitive registered form, such Global 2006 Notes may be transferred, in
whole but not in part, only to the Clearing Agency or a nominee of the
Clearing Agency, or to a successor Clearing Agency selected or approved by the
Corporation or to a nominee of such successor Clearing Agency.

If at any time (i) the Clearing Agency notifies the Corporation that it is
unwilling or unable to continue as a Clearing Agency for the Global 2006 Notes
and no successor Clearing Agency shall have been appointed within 90 days
after such notification, (ii) the Clearing Agency at any time ceases to be a
clearing agency registered under the Exchange Act at any time the Clearing
Agency is required to be so registered to act as such Clearing Agency and no
successor Clearing Agency shall have been appointed within 90 days after the
Corporation's becoming aware of the Clearing Agency's ceasing to be so
registered or (iii) the Corporation, in its sole discretion, determines that
the Global 2006 Notes shall be so exchangeable, the Corporation will execute,
and subject to Article Three of the Original Indenture, the Trustee, upon
receipt of a Company Order therefor, will authenticate and deliver the 2006
Notes in definitive registered form without coupons, in authorized
denominations, and in an aggregate principal amount equal to the principal
amount of the Global 2006 Note or Notes in exchange for such Global 2006 Note
or Notes. Upon exchange of the Global 2006 Note or Notes for such 2006 Notes
in definitive registered form without coupons, in authorized denominations,
the Global 2006 Note or Notes shall be cancelled by the Trustee. Such 2006
Notes in definitive registered form issued in exchange for the Global 2006
Note or Notes shall be registered in such names and in such authorized
denominations as the Clearing Agency, pursuant to instructions from its direct
or indirect participants or otherwise, shall instruct the Trustee. The Trustee
shall deliver such Securities to the Clearing Agency for delivery to the
Persons in whose names such Securities are so registered.

Section 106. Defeasance; Covenant Defeasance. Sections 1302 and 1303 of the
Original Indenture shall not apply to any of the 2006 Notes.

Section 107. Paying Agents; Transfer Agents; Place of Payment. The Paying
Agent for the 2006 Notes shall initially be the Trustee, and the Place of
Payment for the 2006 Notes shall initially be the Corporate Trust Office,
which as of the date hereof for such purpose is located at 55 Water Street,
New York, New York 10041. The Trustee shall also serve as Security Registrar
for the purpose of registering 2006 Notes and transfers or exchanges of 2006
Notes. The Corporation may from time to time designate one or more additional
offices or agencies where 2006 Notes may be presented or

                                       5
<PAGE>

surrendered for payment or may be surrendered for registration of transfer or
exchange in accordance with Section 1002 of the Original Indenture; provided
that the Corporation shall at all times maintain a Paying Agent and an office
or agency where 2006 Notes may be surrendered for registration of transfer or
exchange, in each case in the Borough of Manhattan, The City of New York.

                                   ARTICLE 2

                             Redemption; Repurchase

Section 201. Tax Event Redemption. If a Tax Event shall occur and be
continuing, the Corporation may, at its option, redeem the 2006 Notes in whole
(but not in part) at any time at a price per 2006 Note equal to the Redemption
Price. Installments of interest on 2006 Notes which are due and payable on or
prior to the Redemption Date with respect to the 2006 Notes (the "Tax Event
Redemption Date") will be payable to the Holders of the 2006 Notes registered
as such at the close of business on the Regular Record Date. If, following the
occurrence of a Tax Event prior to the Purchase Contract Settlement Date, the
Corporation exercises its option to redeem the 2006 Notes, the Corporation
shall appoint the Quotation Agent to assemble the Treasury Portfolio in
consultation with the Corporation. Notice of any redemption will be mailed at
least 30 days but not more than 60 days before the Tax Event Redemption Date to
each registered Holder of the 2006 Notes to be repaid at its registered
address. Unless the Corporation defaults in payment of the Redemption Price, on
and after the Tax Event Redemption Date interest shall cease to accrue on the
2006 Notes. The 2006 Notes are not redeemable otherwise than in this Section
201 provided. The Corporation will notify the Trustee of the Redemption Price
promptly after the calculation thereof, and the Trustee shall have no
responsibility for such calculation. Notwithstanding Section 1104 of the
Original Indenture, the notice of redemption with respect to the foregoing
redemption need not set forth the Redemption Price but only the manner of
calculation thereof.

Section 202. Redemption Procedures for 2006 Notes. Payment of the Redemption
Price to each Holder of 2006 Notes shall be made by the Corporation, no later
than 12:00 noon, New York City time, on the Tax Event Redemption Date, by check
or wire transfer in immediately available funds at such place and to such
account as may be designated by each such Holder of 2006 Notes, including the
Purchase Contract Agent or the Collateral Agent, as the case may be. If the
Trustee holds immediately available funds sufficient to pay the Redemption
Price of the 2006 Notes, then, on such Tax Event Redemption Date, such 2006
Notes will cease to be outstanding and interest thereon will cease to accrue,
whether or not such 2006 Notes have been received by the Corporation, and all
other rights of the Holder in respect of the 2006 Notes shall terminate and
lapse (other than the right to receive the Redemption Price upon delivery of
such 2006 Notes but without interest on such Redemption Price).

Section 203. No Sinking Fund. The 2006 Notes are not entitled to the benefit of
any sinking fund.

Section 204. Option to Put 2006 Notes upon Failed Secondary Remarketing. If a
Failed Secondary Remarketing (as described in Section 5.4(b) of the Purchase
Contract Agreement and incorporated herein by reference) has occurred, each
holder of 2006 Notes who holds such 2006 Notes on the day immediately following
the Purchase Contract Settlement Date shall have the right

                                       6
<PAGE>

(the "Put Option"), to put such 2006 Notes to the Corporation on      , 2004
(the "Put Option Exercise Date"), upon at least three Business Days' prior
notice, at a repayment price equal to the principal amount of such 2006 Notes
plus an amount equal to the accrued and unpaid interest thereon to the date of
payment (the "2006 Note Repayment Price").

Section 205. Repurchase Procedure for 2006 Notes.

(a) In order for the 2006 Notes to be repurchased on the Put Option Exercise
Date, the Trustee must receive on or prior to 5:00 p.m., New York City time, on
the third Business Day immediately preceding the Put Option Exercise Date, at
its Corporate Trust Office or at an office or agency maintained by the
Corporation in the Borough of Manhattan, The City of New York as contemplated
by Section 107 hereof, the 2006 Notes to be repurchased with the form entitled
"Option to Elect Repayment" on the reverse of or otherwise accompanying such
2006 Notes duly completed. Any such notice received by the Trustee shall be
irrevocable. All questions as to the validity, eligibility (including time of
receipt) and acceptance of the 2006 Notes for repayment shall be determined by
the Corporation, whose determination shall be final and binding.

(b) Payment of the 2006 Note Repayment Price shall be made through the Trustee,
subject to the Trustee's receipt of payment from the Corporation in accordance
with the terms of the Indenture, no later than 12:00 noon, New York City time,
on the Put Option Exercise Date, and to such account as may be designated by
the applicable Holder. If the Trustee holds immediately available funds
sufficient to pay the 2006 Note Repayment Price of 2006 Notes presented for
repayment, then, immediately prior to the close of business on the Put Option
Exercise Date, such 2006 Notes will cease to be outstanding and interest
thereon will cease to accrue, whether or not such 2006 Notes have been received
by the Corporation, and all other rights of the Holder in respect of the 2006
Notes, including the Holder's right to require the Corporation to repay such
2006 Notes, shall terminate and lapse (other than the right to receive the 2006
Note Repayment Price upon delivery of such 2006 Notes but without interest on
such 2006 Note Repayment Price). Neither the Trustee nor the Corporation will
be required to register or cause to be registered the transfer of any 2006 Note
for which repayment has been elected.

Section 206. No Conditional Redemption. The provisions of Section 1104 of the
Original Indenture that relate to redemptions conditional upon the receipt by
the Trustee of funds sufficient to pay the principal, premium (if any) and
interest on the Securities to be redeemed shall not be applicable to the 2006
Notes.

                                   ARTICLE 3

                                  Remarketing

Section 301. Initial Remarketing Procedures.

(a) The Corporation will request, not later than seven nor more than 15
calendar days prior to the Initial Remarketing Date that the Clearing Agency
notify the Holders of the 2006 Notes of the Initial Remarketing.

(b) Not later than 5:00 p.m., New York City time, on the second Business Day
immediately preceding the Initial Remarketing Date, each Holder of the 2006
Notes not constituting components of Corporate Units may elect to have 2006
Notes held by such Holder remarketed. Holders of 2006

                                       7
<PAGE>

Notes that are not components of Corporate Units shall give notice of their
election to have such 2006 Notes remarketed to the Custodial Agent pursuant to
the Pledge Agreement. Any such notice shall be irrevocable after 5:00 p.m., New
York City time, on the second Business Day immediately preceding the Initial
Remarketing Date and may not be conditioned upon the level at which the Reset
Rate is established. Pursuant to Section 5.3A of the Purchase Contract
Agreement, the Purchase Contract Agent shall notify, by 11:00 a.m., New York
City time, on the Business Day immediately preceding the Initial Remarketing
Date, the Remarketing Agent of the aggregate principal amount of 2006 Notes
(that are components of Corporate Units). Pursuant to Section 4.6(c) of the
Pledge Agreement, the Custodial Agent shall notify the Remarketing Agent of the
aggregate principal amount of 2006 Notes (that are not components of Corporate
Units) to be remarketed. Under Section 5.3A of the Purchase Contract Agreement,
2006 Notes that constitute components of Corporate Units will be remarketed as
provided therein and in this Section 301. The 2006 Notes constituting
components of Corporate Units shall be deemed tendered, notwithstanding any
failure by the Holder of such Corporate Units to deliver or properly deliver
such 2006 Notes to the Remarketing Agent for purchase.

(c) The right of each Holder to have 2006 Notes tendered for purchase shall be
limited to the extent that (i) the Remarketing Agent conducts a remarketing
pursuant to the terms of the Remarketing Agreement, (ii) 2006 Notes tendered
have not been called for redemption, (iii) the Remarketing Agent is able to
find a purchaser or purchasers for tendered 2006 Notes at a price per 2006 Note
such that the aggregate price for the Applicable Principal Amount of 2006 Notes
is not less than 100% of the Treasury Portfolio Purchase Price and (iv) such
purchaser or purchasers deliver the purchase price therefor to the Remarketing
Agent as and when required. Each Holder of 2006 Notes that are remarketed in a
Successful Initial Remarketing agrees that a remarketing fee in an amount set
forth in the Remarketing Agreement shall be deducted from the proceeds of the
remarketing.

(d) On the Initial Remarketing Date, the Remarketing Agent shall use reasonable
efforts to remarket, at a price per 2006 Note such that the aggregate price for
the Applicable Principal Amount of 2006 Notes is equal to approximately 100.5%
of the Treasury Portfolio Purchase Price, 2006 Notes tendered or deemed
tendered for purchase.

(e) If there are no Corporate Units outstanding and none of the Holders elect
to have 2006 Notes held by them remarketed, the Reset Rate shall be the rate
determined by the Reset Agent, subject to the terms of the Remarketing
Agreement, as the rate that would have been established had a remarketing been
held on the Initial Remarketing Date.

(f) If the Remarketing Agent has determined that it will be able to remarket
all 2006 Notes tendered or deemed tendered prior to 4:00 p.m., New York City
time, on the Initial Remarketing Date, the Reset Agent, subject to the terms of
the Remarketing Agreement, shall determine the Reset Rate.

(g) If, by 4:00 p.m., New York City time, on the Initial Remarketing Date, (x)
the Remarketing Agent is unable to remarket all 2006 Notes tendered or deemed
tendered for purchase, at a price per 2006 Note such that the aggregate price
for the Applicable Principal Amount of 2006 Notes is equal to at least 100% of
the Treasury Portfolio Purchase Price, or (y) if the Initial Remarketing shall
not have occurred because a condition precedent to the Initial Remarketing
shall not have been fulfilled,

                                       8
<PAGE>

a failed remarketing (each, a "Failed Initial Remarketing") shall be deemed to
have occurred and the Remarketing Agent shall so advise by telephone the
Collateral Agent, the Purchase Contract Agent, the Corporation, the Trustee,
and the Clearing Agency.

(h) By approximately 4:30 p.m., New York City time, on the Initial Remarketing
Date, provided that there has not been a Failed Initial Remarketing, the
Remarketing Agent shall advise, by telephone (i) the Trustee, the Collateral
Agent, the Purchase Contract Agent, the Corporation and the Clearing Agency of
the Reset Rate determined in the Initial Remarketing and the aggregate
principal amount of 2006 Notes sold in the Initial Remarketing, (ii) each
purchaser (or the Clearing Agency Participant thereof) of the Reset Rate and
the aggregate principal amount of 2006 Notes such purchaser is to purchase and
(iii) each purchaser to give instructions to its Clearing Agency Participant to
pay the purchase price on      , 2004 in same day funds against delivery of the
2006 Notes purchased through the facilities of the Clearing Agency.

(i) In accordance with the Clearing Agency's normal procedures, on      , 2004,
the transactions described above with respect to each 2006 Note tendered for
purchase and sold in the Initial Remarketing shall be executed through the
Clearing Agency, and the accounts of the respective Clearing Agency
Participants shall be debited and credited and such 2006 Notes delivered by
book entry as necessary to effect purchases and sales of such 2006 Notes. The
Clearing Agency shall make payment in accordance with its normal procedures.

(j) If any Holder selling 2006 Notes in the Initial Remarketing fails to
deliver such 2006 Notes, the Clearing Agency Participant of such selling Holder
and of any other Person that was to have purchased 2006 Notes in the Initial
Remarketing may deliver to any such other Person an aggregate principal amount
of 2006 Notes that is less than the aggregate principal amount of 2006 Notes
that otherwise was to be purchased by such Person. In such event, the aggregate
principal amount of 2006 Notes to be so delivered shall be determined by such
Clearing Agency Participant, and delivery of such lesser aggregate principal
amount of 2006 Notes shall constitute good delivery.

(k) The Remarketing Agent is not obligated to purchase any 2006 Notes in the
Initial Remarketing or otherwise. Neither the Trustee, the Purchase Contract
Agent, the Corporation, Duke Energy nor the Remarketing Agent shall be
obligated in any case to provide funds to make payment upon tender of 2006
Notes for remarketing.

(l) The tender and settlement procedures set in this Section 301, including
provisions for payment by purchasers of 2006 Notes in the Initial Remarketing,
shall be subject to modification, notwithstanding any provision to the contrary
set forth herein, to the extent required by the Clearing Agency or if the book-
entry system is no longer available for the 2006 Notes at the time of the
Initial Remarketing, to facilitate the tendering and remarketing of 2006 Notes
in certificated form. In addition, the Remarketing Agent may, notwithstanding
any provision to the contrary set forth herein, modify the settlement
procedures set forth herein in order to facilitate the settlement process.

(m) Anything herein to the contrary notwithstanding, the Reset Rate shall in no
event exceed the maximum rate permitted by applicable law and, as provided in
the Remarketing Agreement, neither the Remarketing Agent nor the Reset Agent
shall have any obligation to determine whether there is any limitation under
applicable law on the Reset Rate or, if there is any such limitation, the

                                       9
<PAGE>

maximum permissible Reset Rate on the 2006 Notes and they shall rely solely
upon written notice from the Corporation (which the Corporation agrees to
provide prior to the tenth Business Day before      , 2004) as to whether or
not there is any such limitation and, if so, the maximum permissible Reset
Rate.

Section 302. Secondary Remarketing Procedures.

(a) If a Failed Initial Remarketing has occurred, the Corporation will request,
not later than seven nor more than 15 calendar days prior to the Secondary
Remarketing Date that the Clearing Agency notify the Holders of the 2006 Notes
of the Secondary Remarketing and of the procedures that must be followed if a
Holder of 2006 Notes wishes to exercise such Holder's rights with respect to
the Put Option if there is a Failed Secondary Remarketing.

(b) If a Failed Initial Remarketing has occurred, then, not later than 5:00
p.m., New York City time, on the second Business Day immediately preceding the
Secondary Remarketing Date, each Holder of 2006 Notes may elect to have 2006
Notes held by such Holder remarketed. Under Section 5.4 of the Purchase
Contract Agreement, Holders of Corporate Units that do not give notice of
intention to make a Cash Settlement of their related Purchase Contracts shall
be deemed to have consented to the disposition of the 2006 Notes constituting a
component of such Corporate Units. Holders of 2006 Notes that are not
components of Corporate Units shall give notice of their election to have such
2006 Notes remarketed to the Custodial Agent pursuant to the Pledge Agreement.
Any such notice shall be irrevocable after 5:00 p.m., New York City time, on
the second Business Day immediately preceding the Secondary Remarketing Date
and may not be conditioned upon the level at which the Reset Rate is
established. Pursuant to Section 5.4 of the Purchase Contract Agreement, the
Purchase Contract Agent shall notify, by 11:00 a.m., New York City time, on the
Business Day immediately preceding the Secondary Remarketing Date, the
Remarketing Agent of the aggregate principal amount of 2006 Notes (that are
components of Corporate Units) to be remarketed. Pursuant to Section 4.6(c) of
the Pledge Agreement, the Custodial Agent shall notify the Remarketing Agent of
the aggregate principal amount of 2006 Notes (that are not components of
Corporate Units) to be remarketed.

(c) If any Holder of Corporate Units does not give a notice of its intention to
make a Cash Settlement or gives a notice of election to tender 2006 Notes as
described in Section 302(b), the 2006 Notes of such Holder shall be deemed
tendered, notwithstanding any failure by such Holder to deliver or properly
deliver such 2006 Notes to the Remarketing Agent for purchase.

(d) The right of each Holder to have 2006 Notes tendered for purchase shall be
limited to the extent that (i) the Remarketing Agent conducts a remarketing
pursuant to the terms of the Remarketing Agreement, (ii) 2006 Notes tendered
have not been called for redemption, (iii) the Remarketing Agent is able to
find a purchaser or purchasers for tendered 2006 Notes at a price of not less
than 100% of the principal amount thereof, and (iv) such purchaser or
purchasers deliver the purchase price therefor to the Remarketing Agent as and
when required. Each Holder of 2006 Notes that are remarketed in a Successful
Secondary Remarketing agrees that a remarketing fee in an amount set forth in
the Remarketing Agreement shall be deducted from the proceeds of the
remarketing.

(e) If a Failed Initial Remarketing has occurred, on the Secondary Remarketing
Date, the Remarketing Agent shall use reasonable efforts to remarket, at a
price equal to approximately 100.5% of the aggregate principal amount thereof,
2006 Notes tendered or deemed tendered for purchase.

                                       10
<PAGE>

(f) If none of the Holders elect or are deemed to have elected to have 2006
Notes held by them remarketed, the Reset Rate shall be the rate determined by
the Reset Agent, subject to the terms of the Remarketing Agreement, as the rate
that would have been established had a remarketing been held on the Secondary
Remarketing Date.

(g) If the Remarketing Agent has determined that it will be able to remarket
all 2006 Notes tendered or deemed tendered prior to 4:00 p.m., New York City
time, on the Secondary Remarketing Date, the Reset Agent shall, subject to the
terms of the Remarketing Agreement, determine the Reset Rate.

(h) If, by 4:00 p.m., New York City time, on the Secondary Remarketing Date,
the Remarketing Agent is unable to remarket all 2006 Notes tendered or deemed
tendered for purchase or if the Secondary Remarketing shall not have occurred
because a condition precedent to the Secondary Remarketing shall not have been
fulfilled, a failed remarketing ("Failed Secondary Remarketing") shall be
deemed to have occurred and the Remarketing Agent shall so advise by telephone
the Trustee, the Collateral Agent, the Purchase Contract Agent, the Corporation
and the Clearing Agency.

(i) By approximately 4:30 p.m., New York City time, on the Secondary
Remarketing Date, provided that there has not been a Failed Secondary
Remarketing, the Remarketing Agent shall advise by telephone (i) the Trustee,
the Collateral Agent, the Purchase Contract Agent, the Corporation, and the
Clearing Agency of the Reset Rate determined in the Secondary Remarketing and
the aggregate principal amount of 2006 Notes sold in the Secondary Remarketing,
(ii) each purchaser (or the Clearing Agency Participant thereof) of the Reset
Rate and the aggregate principal amount of 2006 Notes such purchaser is to
purchase and (iii) each purchaser to give instructions to its Clearing Agency
Participant to pay the purchase price on the Purchase Contract Settlement Date
in same day funds against delivery of the 2006 Notes purchased through the
facilities of the Clearing Agency.

(j) In accordance with the Clearing Agency's normal procedures, on the Purchase
Contract Settlement Date, the transactions described above with respect to each
2006 Note tendered for purchase and sold in the Secondary Remarketing shall be
executed through the Clearing Agency, and the accounts of the respective
Clearing Agency Participants shall be debited and credited and such 2006 Notes
delivered by book entry as necessary to effect purchases and sales of such 2006
Notes. The Clearing Agency shall make payment in accordance with its normal
procedures.

(k) If any Holder selling 2006 Notes in the Secondary Remarketing fails to
deliver such 2006 Notes, the Clearing Agency Participant of such selling Holder
and of any other Person that was to have purchased 2006 Notes in the Secondary
Remarketing may deliver to any such other Person an aggregate principal amount
of 2006 Notes that is less than the aggregate principal amount of 2006 Notes
that otherwise was to be purchased by such Person. In such event, the aggregate
principal amount of 2006 Notes to be so delivered shall be determined by such
Clearing Agency Participant, and delivery of such lesser aggregate principal
amount of 2006 Notes shall constitute good delivery.

(l) The Remarketing Agent is not obligated to purchase any 2006 Notes in the
Secondary Remarketing or otherwise. Neither the Trustee, the Purchase Contract
Agent, the Corporation, Duke Energy nor the Remarketing Agent shall be
obligated in any case to provide funds to make payment upon tender of 2006
Notes for remarketing.

                                       11
<PAGE>

(m) The tender and settlement procedures set in this Section 302, including
provisions for payment by purchasers of 2006 Notes in the Secondary
Remarketing, shall be subject to modification, notwithstanding any provision to
the contrary set forth herein, to the extent required by the Clearing Agency or
if the book-entry system is no longer available for the 2006 Notes at the time
of the Secondary Remarketing, to facilitate the tendering and remarketing of
2006 Notes in certificated form. In addition, the Remarketing Agent may,
notwithstanding any provision to the contrary set forth herein, modify the
settlement procedures set forth herein in order to facilitate the settlement
process.

(n) Anything herein to the contrary notwithstanding, the Reset Rate shall in no
event exceed the maximum rate permitted by applicable law and, as provided in
the Remarketing Agreement, neither the Remarketing Agent nor the Reset Agent
shall have any obligation to determine whether there is any limitation under
applicable law on the Reset Rate or, if there is any such limitation, the
maximum permissible Reset Rate on the 2006 Notes and they shall rely solely
upon written notice from the Corporation (which the Corporation agrees to
provide prior to the tenth Business Day before the Purchase Contract Settlement
Date) as to whether or not there is any such limitation and, if so, the maximum
permissible Reset Rate.

                                   ARTICLE 4

                            Miscellaneous Provisions

Section 401. Recitals by Corporation. The recitals in this Third Supplemental
Indenture are made by the Corporation only and not by the Trustee, and all of
the provisions contained in the Original Indenture in respect of the rights,
privileges, immunities, powers and duties of the Trustee shall be applicable in
respect of the 2006 Notes and this Third Supplemental Indenture as fully and
with like effect as if set forth herein full.

Section 402. Ratification and Incorporation of Original Indenture. As
supplemented hereby, the Original Indenture is in all respects ratified and
confirmed, and the Original Indenture and this Third Supplemental Indenture
shall be read, taken and construed as one and the same instrument.

Section 403. Executed in Counterparts. This Third Supplemental Indenture may be
executed in several counterparts, each of which shall be deemed to be an
original, and such counterparts shall together constitute but one and the same
instrument.

Section 404. Consent of Remarketing Agent. No provision of this Third
Supplemental Indenture may be modified in a manner that adversely affects the
rights of the Remarketing Agent (including, without limitation, the Remarketing
Agent's right to the remarketing fee specified in Sections 301(c) and 302(d))
without the prior written consent of the Remarketing Agent.

                                       12
<PAGE>

IN WITNESS WHEREOF, each party hereto has caused this instrument to be signed
in its name and behalf by its duly authorized officers, all as of the day and
year first above written.

                                          Duke Capital Corporation

                                          By: _________________________________

Attest:

_____________________________

                                          The Chase Manhattan Bank, as Trustee

                                          By: _________________________________

Attest:

_____________________________

                                       13
<PAGE>

                                   EXHIBIT A

                          (Form of Face of 2006 Note)

IF THE 2006 NOTE IS TO BE A GLOBAL 2006 NOTE, INSERT--THIS 2006 NOTE IS A
GLOBAL 2006 NOTE WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO
AND IS REGISTERED IN THE NAME OF THE CLEARING AGENCY OR A NOMINEE OF THE
CLEARING AGENCY. THIS 2006 NOTE IS EXCHANGEABLE FOR 2006 NOTES REGISTERED IN
THE NAME OF A PERSON OTHER THAN THE CLEARING AGENCY OR ITS NOMINEE ONLY IN THE
LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE, AND NO TRANSFER OF THIS 2006
NOTE (OTHER THAN A TRANSFER OF THIS 2006 NOTE AS A WHOLE BY THE CLEARING AGENCY
TO A NOMINEE OF THE CLEARING AGENCY OR BY A NOMINEE OF THE CLEARING AGENCY TO
THE CLEARING AGENCY OR ANOTHER NOMINEE OF THE CLEARING AGENCY OR TO A SUCCESSOR
CLEARING AGENCY OR TO A NOMINEE OF SUCH SUCCESSOR) MAY BE REGISTERED EXCEPT IN
LIMITED CIRCUMSTANCES.

UNLESS THIS 2006 NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) TO THE ISSUER OR
ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT AND ANY 2006 NOTE
ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS REQUESTED
BY AN AUTHORIZED REPRESENTATIVE OF TIE DEPOSITORY TRUST COMPANY AND ANY PAYMENT
HEREON IS MADE TO CEDE & CO., ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY A PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF,
CEDE & CO., HAS AN INTEREST HEREIN.

CUSIP No.

$

No.

                            DUKE CAPITAL CORPORATION
                                  % SENIOR NOTE
                                    DUE 2006

Duke Capital Corporation, a Delaware corporation (the "Corporation," which term
includes any successor corporation under the Indenture referred to on the
reverse hereof), for value received, hereby promises to pay to              ,
or registered assigns, the principal sum of            DOLLARS ($     ) on
      , 2006 (such date is hereinafter referred to as the "Stated Maturity"),
and to pay interest on said principal sum from     , 2001 or from the next most
recent date to which interest has been paid or duly provided for, quarterly in
arrears on     ,     ,      and      of each year (each such date, an "Interest
Payment Date"), commencing on      , 2001 initially at the rate of  % per annum
through and including the day immediately preceding the Reset Effective Date
and at the Reset Rate thereafter until the principal hereof shall have been
paid or duly made available for

                                      A-1
<PAGE>

payment and, to the extent permitted by law, to pay interest, compounded
quarterly, on any overdue principal and premium, if any, and on any overdue
installment of interest at the rate per annum of  % through and including the
day immediately preceding the Reset Effective Date and at the Reset Rate
thereafter. The amount of interest payable on any Interest Payment Date shall
be computed on the basis of a 360-day year consisting of twelve 30-day months
and, except as provided in the Indenture (as defined below), the amount of
interest payable for any period shorter than a full quarterly period for which
interest is computed will be computed on the basis of the actual number of days
elapsed in such 90-day period. In the event that any date on which interest is
payable on this 2006 Note is not a Business Day, then payment of interest
payable on such date will be made on the next succeeding day that is a Business
Day (and without any interest or other payment in respect of any such delay),
except that, if such Business Day is in the next succeeding calendar year, such
payment shall be made on the immediately preceding Business Day, in each case
with the same force and effect as if made on such Interest Payment Date. The
interest installment so payable, and punctually paid or duly provided for, on
any Interest Payment Date will, as provided in the Indenture, be paid to the
Person in whose name this 2006 Note (or one or more predecessor Securities) is
registered at the close of business on the Regular Record Date for such
interest installment which shall be the close of business on the first day of
the month in which such Interest Payment Date falls. Any such interest
installment not punctually paid or duly provided for on any Interest Payment
Date shall forthwith cease to be payable to the Holders at the close of
business on such Regular Record Date and may be paid to the Person in whose
name this 2006 Note is registered at the close of business on a Special Record
Date to be fixed by the Trustee for the payment of such Defaulted Interest,
notice whereof shall be given to the Holders of the 2006 Notes not less than
10 days prior to such Special Record Date, or may be paid at any time in any
other lawful manner not inconsistent with the requirements of any securities
exchange, if any, on which the 2006 Notes shall be listed, and upon such notice
as may be required by such exchange, all as more fully provided in the
Indenture. The principal of (and premium, if any) and the interest on this 2006
Note shall be payable at the office or agency of the Corporation maintained for
that purpose in the Borough of Manhattan, The City of New York, in any coin or
currency of the United States of America that at the time of payment is legal
tender for payment of public and private debts; provided, however, that payment
of interest may be made at the option of the Corporation (i) by check mailed to
the address of the Person entitled thereto as such address shall appear in the
Security Register or (ii) by wire transfer at such place and to such account at
a banking institution in the United States as may be designated in writing to
the Trustee at least sixteen (16) days prior to the date for payment by the
Person entitled thereto.

The indebtedness evidenced by this 2006 Note is, to the extent provided in the
Indenture, senior and unsecured and will rank in right of payment on parity
with all other senior unsecured obligations of the Corporation.

REFERENCE IS HEREBY MADE TO THE FURTHER PROVISIONS OF THIS 2006 NOTE SET FORTH
ON THE REVERSE HEREOF, WHICH FURTHER PROVISIONS SHALL FOR ALL PURPOSES HAVE THE
SAME EFFECT AS IF SET FORTH AT THIS PLACE.

Unless the certificate of authentication hereon has been executed by the
Trustee by manual signature, this 2006 Note shall not be entitled to any
benefit under the Indenture or be valid or obligatory for any purpose.

                                      A-2
<PAGE>

IN WITNESS WHEREOF, the Corporation has caused this instrument to be duly
executed under its corporate seal.

Dated:

                                          Duke Capital Corporation

                                          By: _________________________________

Attest:

_____________________________________

                         CERTIFICATE OF AUTHENTICATION

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

                                          The Chase Manhattan Bank, as Trustee

                                          By: _________________________________
                                                   Authorized Officer

Dated:

                                      A-3
<PAGE>

                         (Form of Reverse of 2006 Note)

This 2006 Note is one of a duly authorized issue of Securities of the
Corporation (the "Securities") issued and issuable in one or more series under
a Senior Indenture, dated as of April 1, 1998, as supplemented (the
"Indenture"), between the Corporation and The Chase Manhattan Bank, as Trustee
(the "Trustee," which term includes any successor trustee under the Indenture),
to which Indenture and all indentures supplemental thereto reference is hereby
made for a statement of the respective rights, limitation of rights, duties and
immunities thereunder of the Corporation, the Trustee and the Holders of the
Securities issued thereunder and of the terms upon which said Securities are,
and are to be, authenticated and delivered. This Security is one of the series
designated on the face hereof as   % Senior Notes due 2006 (the "2006 Notes").
Such series is limited in aggregate principal amount to $500,000,000 (or
$575,000,000 if the over-allotment option referred to in the Underwriting
Agreement is exercised in full). Capitalized terms used herein for which no
definition is provided herein shall have the meanings set forth in the
Indenture.

If a Tax Event shall occur and be continuing, the Corporation may, at its
option, redeem the 2006 Notes in whole (but not in part) at any time at a price
per 2006 Note equal to the Redemption Price. The Redemption Price shall be paid
to each Holder of the 2006 Notes by the Corporation, no later than 12:00 noon,
New York City time, on the Tax Event Redemption Date, by check or wire transfer
in immediately available funds, at such place and to such account as may be
designated by each such Holder.

The 2006 Notes are not entitled to the benefit of any sinking fund.

If a Failed Secondary Remarketing (as described in Section 5.4(b) of the
Purchase Contract Agreement and incorporated herein by reference) has occurred,
each Holder of 2006 Notes who holds such 2006 Notes on the day immediately
following the Purchase Contract Settlement Date shall have the right (the "Put
Option"), to put such 2006 Notes to the Corporation, on      , 2004 (the "Put
Option Exercise Date"), upon at least three Business Days prior notice, at a
repayment price equal to the principal amount of this 2006 Note plus an amount
equal to the accrued and unpaid interest thereon to the date of payment (the
"2006 Note Repayment Price").

In order for the 2006 Notes to be so repurchased, the Trustee must receive, on
or prior to 5:00 p.m., New York City Time, on the third Business Day
immediately preceding the Put Option Exercise Date, at its Corporate Trust
Office, or at an office or agency maintained by the Corporation in the Borough
of Manhattan, The City of New York, the 2006 Notes to be repurchased with the
form entitled "Option to Elect Repayment" on the reverse of or otherwise
accompanying such 2006 Notes duly completed. Any such notice received by the
Trustee shall be irrevocable. All questions as to the validity, eligibility
(including time of receipt) and acceptance of the 2006 Notes for repayment
shall be determined by the Corporation, whose determination shall be final and
binding. The payment of the 2006 Note Repayment Price in respect of such 2006
Notes shall be made no later than 12:00 noon, New York City time, on the Put
Option Exercise Date.

If an Event of Default with respect to the 2006 Notes shall occur and be
continuing, the principal of the 2006 Notes may be declared due and payable in
the manner, with the effect and subject to the conditions provided in the
Indenture.

                                      A-4
<PAGE>

The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Corporation and the rights of the Holders of the Securities of all series
affected under the Indenture at any time by the Corporation and the Trustee
with the consent of the Holders of not less than a majority in principal amount
of the Outstanding Securities of all series affected thereby (voting as one
class). The Indenture contains provisions permitting the Holders of not less
than a majority in principal amount of the Outstanding Securities of all series
with respect to which a default under the Indenture shall have occurred and be
continuing (voting as one class), on behalf of the Holders of the Securities of
all such series, to waive, with certain exceptions, such default under the
Indenture and its consequences. The Indenture also permits the Holders of not
less than a majority in principal amount of the Securities of each series at
the time Outstanding, on behalf of the Holders of all Securities of such
series, to waive compliance by the Corporation with certain provisions of the
Indenture affecting such series. Any such consent or waiver by the Holder of
this 2006 Note shall be conclusive and binding upon such Holder and upon all
future Holders of this 2006 Note and of any 2006 Note issued upon the
registration of transfer hereof or in exchange hereof or in lieu hereof,
whether or not notation of such consent or waiver is made upon this 2006 Note.

No reference herein to the Indenture and no provision of this 2006 Note or of
the Indenture shall alter or impair the obligation of the Corporation, which is
absolute and unconditional, to pay the principal of and interest on this 2006
Note at the times, place and rate, and in the coin or currency, herein
prescribed.

As provided in the Indenture and subject to certain limitations therein set
forth, the transfer of this 2006 Note is registrable in the Security Register,
upon surrender of this 2006 Note for registration of transfer at the office or
agency of the Corporation for such purpose, duly endorsed by, or accompanied by
a written instrument of transfer in form satisfactory to the Corporation and
the Security Registrar and duly executed by, the Holder hereof or his attorney
duly authorized in writing, and thereupon one or more new 2006 Notes, of this
series, of authorized denominations and of like tenor and for the same
aggregate principal amount, will be issued to the designated transferee or
transferees. No service charge shall be made for any such registration of
transfer or exchange, but the Corporation may require payment of a sum
sufficient to cover any tax or other governmental charge payable in connection
therewith.

As provided in and subject to the provisions of the Indenture, the Holder of
this 2006 Note shall not have the right to institute any proceeding with
respect to the Indenture or for the appointment of a receiver or trustee or for
any other remedy thereunder, unless such Holder shall have previously given the
Trustee written notice of a continuing Event of Default with respect to the
2006 Notes, the Holders of not less than a majority in principal amount of the
2006 Notes at the time Outstanding shall have made written request to the
Trustee to institute proceedings in respect of such Event of Default as Trustee
and offered the Trustee reasonable indemnity, and the Trustee shall not have
received from the Holders of a majority in principal amount of 2006 Notes at
the time
Outstanding a direction inconsistent with such request and shall have failed to
institute any such proceeding for 60 days after receipt of such notice, request
and offer of indemnity. The foregoing shall not apply to any suit instituted by
the Holder of this 2006 Note for the enforcement of any payment of principal
hereof or any premium or interest hereon on or after the respective due dates
expressed herein.

                                      A-5
<PAGE>

The provisions for defeasance and covenant defeasance in the Indenture shall
not apply to the 2006 Notes.

Prior to due presentment of this 2006 Note for registration of transfer, the
Corporation, the Trustee and any agent of the Corporation or the Trustee may
treat the Person in whose name this 2006 Note is registered as the owner hereof
for all purposes, whether or not this 2006 Note be overdue, and neither the
Corporation, the Trustee nor any such agent shall be affected by notice to the
contrary.

No recourse shall be had for the payment of the principal of or any premium or
the interest on this 2006 Note, or for any claim based hereon, or otherwise in
respect hereof, or based on or in respect of the Indenture, against any
incorporator, shareholder, officer or director, as such, past, present or
future, of the Corporation or of any successor corporation, whether by virtue
of any constitution, statute or rule of law, or by the enforcement of any
assessment or penalty or otherwise, all such liability being, by the acceptance
hereof and as part of the consideration for the issuance hereof, expressly
waived and released.

The 2006 Notes are issuable only in registered form without coupons in
denominations of $25 and any integral multiple thereof. As provided in the
Indenture and subject to the limitations therein set forth, 2006 Notes are
exchangeable for a like aggregate principal amount of 2006 Notes of a different
authorized denomination, as requested by the Holder surrendering the same upon
surrender of the 2006 Note or Notes to be exchanged at the office or agency of
the Corporation.

This 2006 Note shall be governed by, and construed in accordance with, the
internal laws of the State of New York.

                                      A-6
<PAGE>

                                 ABBREVIATIONS

The following abbreviations, when used in the inscription on the face of this
instrument, shall be construed as though they were written out in full
according to applicable laws or regulations:

                                   UNIF GIFT MIN ACT --       Custodian
TEN COM -- as tenants in common                       --------         --------
                                                        (Cust)          (Minor)

TEN ENT -- as tenants by the entireties
                                                       under Uniform Gifts to
                                                       Minors Act
                                                                  -------------
                                                                    (State)
JT TEN -- as joint tenants with rights of survivorship and not as tenants in
common

Additional abbreviations may also be used though not on the above list.

-------------------------------------------------------------------------------
FOR VALUE RECEIVED, the undersigned hereby sell(s) and transfer(s) unto
                                                                        -------
      (please insert Social Security or other identifying number of assignee)

-------------------------------------------------------------------------------
PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE OF
ASSIGNEE

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

-------------------------------------------------------------------------------
the within Security and all rights thereunder, hereby irrevocably constituting
and appointing

-------------------------------------------------------------------------------
agent to transfer said Security on the books of the Corporation, with full
power of substitution in the premises.

Dated:
       --------------------------    ------------------------------------------

                                     ------------------------------------------
                                     NOTICE: The signature to this assignment
                                     must correspond with the name as written
                                     upon the face of the within instrument in
                                     every particular without alteration or
                                     enlargement, or any change whatever.

                                 Signature Guarantee:
                                                      -------------------------

                              SIGNATURE GUARANTEE

Signatures must be guaranteed by an "eligible guarantor institution" meeting
the requirements of the Security Registrar, which requirements include
membership or participation in the Security Transfer Agent Medallion Program
("STAMP") or such other "signature guarantee program" as may be determined by
the Security Registrar in addition to, or in substitution for, STAMP, all in
accordance with the Securities Exchange Act of 1934, as amended.

                                      A-7
<PAGE>

                           OPTION TO ELECT REPAYMENT

The undersigned hereby irrevocably requests and instructs the Corporation to
repay $   principal amount of the within 2006 Note, pursuant to its terms, on
the "Put Option Exercise Date," together with any interest thereon accrued but
unpaid to the date of repayment, to the undersigned at:

--------------------------------------------------------------------------------
(Please print or type name and address of the undersigned)

and to issue to the undersigned, pursuant to the terms of the Indenture, a new
2006 Note or 2006 Notes representing the remaining aggregate principal amount
of this 2006 Note.

For this Option to Elect Repayment to be effective, this 2006 Note with the
Option to Elect Repayment duly completed must be received by the Trustee,
Institutional Trust Services, at 450 West 33rd Street, New York, New York
10001, no later than 5:00 p.m. on the third Business Day immediately preceding
     , 2004.

Dated: ________________________  Signature: ___________________________________

                                 Signature Guarantee: _________________________

Note: The signature to this Option to Elect Repayment must correspond with the
name as written upon the face of the within 2006 Note without alteration or
enlargement or any change whatsoever.

                              SIGNATURE GUARANTEE

Signatures must be guaranteed by an "eligible guarantor institution" meeting
the requirements of the Security Registrar, which requirements include
membership or participation in the Security Transfer Agent Medallion Program
("STAMP") or such other "signature guarantee program" as may be determined by
the Security Registrar in addition to, or in substitution for, STAMP, all in
accordance with the Securities Exchange Act of 1934, as amended.

                                      A-8
<PAGE>

                                   EXHIBIT B

                         CERTIFICATE OF AUTHENTICATION

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

                                          The Chase Manhattan Bank, as Trustee

                                          By: _________________________________
                                                    Authorized Officer

                                      B-1<PAGE>

                                                                     Exhibit 4.3

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

                            DUKE ENERGY CORPORATION

                                      AND

                           THE CHASE MANHATTAN BANK,
                          AS PURCHASE CONTRACT AGENT

                          ---------------------------
                          PURCHASE CONTRACT AGREEMENT
                          ---------------------------

                          DATED AS OF MARCH __, 2001

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
RECITALS...................................................................    1

                                   ARTICLE I

                       Definitions and Other Provisions
                            of General Applications

Section 1.1.   Definitions.................................................    1
Section 1.2.   Compliance Certificates and Opinions........................   16
Section 1.3.   Form of Documents Delivered to Agent........................   17
Section 1.4.   Acts of Holders; Record Dates...............................   18
Section 1.5.   Notices.....................................................   19
Section 1.6.   Notice to Holders; Waiver...................................   20
Section 1.7.   Effect of Headings and Table of Contents....................   21
Section 1.8.   Successors and Assigns......................................   21
Section 1.9.   Separability Clause.........................................   21
Section 1.10.  Benefits of Agreement.......................................   21
Section 1.11.  Governing Law...............................................   21
Section 1.12.  Legal Holidays..............................................   22
Section 1.13.  Counterparts................................................   22
Section 1.14.  Inspection of Agreement.....................................   22

                               ARTICLE II

                            Certificate Forms

Section 2.1.   Forms of Certificates Generally.............................   23
Section 2.2.   Form of Agent's Certificate of Authentication...............   24

                               ARTICLE III

                             The Securities

Section 3.1.   Title and Terms; Denominations..............................   24
Section 3.2.   Rights and Obligations Evidenced by the Certificates........   25
Section 3.3.   Execution, Authentication, Delivery and Dating..............   25
Section 3.4.   Temporary Certificates......................................   26
Section 3.5.   Registration; Registration of Transfer and Exchange.........   27
</TABLE>

                                       i
<PAGE>

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Section 3.6.   Book-Entry Interests........................................   28
Section 3.7.   Notices to Holders..........................................   29
Section 3.8.   Appointment of Successor Clearing Agency....................   30
Section 3.9.   Definitive Certificates.....................................   30
Section 3.10.  Mutilated, Destroyed, Lost and Stolen Certificates..........   30
Section 3.11.  Persons Deemed Owners.......................................   31
Section 3.12.  Cancellation................................................   32
Section 3.13.  Establishment of Treasury Units.............................   33
Section 3.14.  Reestablishment of Corporate Units..........................   35
Section 3.15.  Transfer of Collateral upon Occurrence of Termination Event.   36
Section 3.16.  No Consent to Assumption....................................   37

                                  ARTICLE IV

                               The Senior Notes

Section 4.1.   Payment of Distribution; Rights to Distributions Preserved;
               Distribution Rate Reset; Notice.............................   38
Section 4.2.   Notice and Voting...........................................   40
Section 4.3.   Tax Event Redemption........................................   40
Section 4.4.   CUSIP Numbers...............................................   42

                                   ARTICLE V

                            The Purchase Contracts

Section 5.1.   Purchase of Shares of Common Stock..........................   42
Section 5.2.   Contract Adjustment Payments................................   44
Section 5.3.   Deferral of Payment Dates For Contract Adjustment Payments..   50
Section 5.3A   Initial Remarketing.........................................   52
Section 5.4.   Payment of Purchase Price; Secondary Remarketing............   54
Section 5.5.   Issuance of Shares of Common Stock..........................   58
Section 5.6.   Adjustment of Settlement Rate...............................   59
Section 5.7.   Notice of Adjustments and Certain Other Events..............   65
Section 5.8.   Termination Event; Notice...................................   66
Section 5.9.   Early Settlement............................................   67
Section 5.10.  No Fractional Shares........................................   69
Section 5.11.  Charges and Taxes...........................................   69
</TABLE>

                                      ii
<PAGE>

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----

                                  ARTICLE VI

                                   Remedies

<S>                                                                         <C>
Section 6.1.   Unconditional Right of Holders to Receive Contract Adjustment
               Payments and to Purchase Common Stock......................... 70
Section 6.2.   Restoration of Rights and Remedies............................ 70
Section 6.3.   Rights and Remedies Cumulative................................ 70
Section 6.4.   Delay or Omission Not Waiver.................................. 71
Section 6.5.   Undertaking for Costs......................................... 71
Section 6.6.   Waiver of Stay or Extension Laws.............................. 71

                               ARTICLE VII

                                The Agent

Section 7.1.   Certain Duties and Responsibilities........................... 72
Section 7.2.   Notice of Default............................................. 73
Section 7.3.   Certain Rights of Agent....................................... 73
Section 7.4.   Not Responsible for Recitals or Issuance of Securities........ 74
Section 7.5.   May Hold Securities........................................... 74
Section 7.6.   Money Held in Custody......................................... 75
Section 7.7.   Compensation and Reimbursement................................ 75
Section 7.8.   Corporate Agent Required; Eligibility......................... 76
Section 7.9.   Resignation and Removal; Appointment of Successor............. 76
Section 7.10.  Acceptance of Appointment by Successor........................ 78
Section 7.11.  Merger, Conversion, Consolidation or Succession to Business... 78
Section 7.12.  Preservation of Information; Communications to Holders........ 79
Section 7.13.  No Obligations of Agent....................................... 79
Section 7.14.  Tax Compliance................................................ 79

                              ARTICLE VIII

                         Supplemental Agreements

Section 8.1.   Supplemental Agreements Without Consent of Holders............ 80
Section 8.2.   Supplemental Agreements with Consent of Holders............... 81
Section 8.3.   Execution of Supplemental Agreements.......................... 82
Section 8.4.   Effect of Supplemental Agreements............................. 82
</TABLE>

                                      iii
<PAGE>

<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Section 8.5.   Reference to Supplemental Agreements........................   83

                                  ARTICLE IX

                   Consolidation, Merger, Sale or Conveyance

Section 9.1.   Covenant Not to Merge, Consolidate, Sell or Convey Property
               Except Under Certain Conditions.............................   83
Section 9.2.   Rights and Duties of Successor Corporation..................   84
Section 9.3.   Opinion of Counsel Given to Agent...........................   84

                                   ARTICLE X

                                   Covenants

Section 10.1.  Performance Under Purchase Contracts........................   85
Section 10.2.  Maintenance of Office or Agency.............................   85
Section 10.3.  Company to Reserve Common Stock.............................   86
Section 10.4.  Covenants as to Common Stock................................   86
</TABLE>

EXHIBIT A           Form of Corporate Units Certificate
EXHIBIT B           Form of Treasury Units Certificate
EXHIBIT C           Instruction From Purchase Contract Agent to Collateral Agent
EXHIBIT D           Instruction to Purchase Contract Agent
EXHIBIT E           Notice to Settle by Separate Cash

                                      iv
<PAGE>

     PURCHASE CONTRACT AGREEMENT, dated as of March ___, 2001 between Duke
Energy Corporation, a North Carolina corporation (the "Company"), and The Chase
Manhattan Bank, a New York banking corporation, acting as purchase contract
agent for the Holders of Securities from time to time (the "Agent").

                                   RECITALS

     The Company has duly authorized the execution and delivery of this Agree
ment and the Certificates evidencing the Securities.

     All things necessary to make the Purchase Contracts, when the Certificates
are executed by the Company and authenticated, executed on behalf of the Holders
and delivered by the Agent, as provided in this Agreement, the valid obligations
of the Company, and to constitute these presents a valid agreement of the
Company, in accordance with its terms, have been done.

                                  WITNESSETH:

     For and in consideration of the premises and the purchase of the Securities
by the Holders thereof, it is mutually agreed as follows:

                                   ARTICLE I

                       Definitions and Other Provisions
                            of General Applications

Section 1.1.   Definitions.

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

     (a)  the terms defined in this Article have the meanings assigned to them
in this Article and include the plural as well as the singular; and nouns and
pronouns of the masculine gender include the feminine and neuter genders;
<PAGE>

     (b)  all accounting terms not otherwise defined herein have the meanings
assigned to them in accordance with generally accepted accounting principles in
the United States;

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

     (d)  the following terms have the meanings given to them in this Section
1.1(d).

     "Act" when used with respect to any Holder, has the meaning specified in
Section 1.4.

     "Affiliate" has the same meaning as given to that term in Rule 405 of the
Securities Act of 1933, as amended, as is in effect on the date hereof.

     "Agent" means the Person named as the "Agent" in the first paragraph of
this instrument until a successor Agent shall have become such pursuant to the
applicable provisions of this Agreement, and thereafter "Agent" shall mean such
Person.

     "Agreement" means this instrument as originally executed or as it may from
time to time be supplemented or amended by one or more agreements supplemental
hereto entered into pursuant to the applicable provisions hereof.

     "Applicable Market Value" has the meaning specified in Section 5.1.

     "Applicable Ownership Interest" means, with respect to a Corporate Unit and
the U.S. Treasury securities in the Treasury Portfolio, (A) a 1/40, or 2.5%,
undivided beneficial ownership interest in a $1,000 principal or interest amount
of a principal or interest strip in a U.S. Treasury security included in such
Treasury Portfolio which matures on or prior to ____________, 2004 and (B) for
the scheduled interest payment date on the Senior Notes that occurs on the
Purchase Contract Settlement Date, in the case of a Successful Initial
Remarketing, or for each scheduled interest payment date on the Senior Notes
that occurs after the Tax Event Redemption Date and on or before the Purchase
Contract Settlement Date, in the case of a Tax Event Redemption, a ___%
undivided beneficial ownership interest in a $1,000 principal or interest amount
of a principal or interest strip in a U.S. Treasury security included in the
Treasury Portfolio that matures on or prior to that interest payment date or
dates.

                                       2
<PAGE>

     "Applicable Principal Amount" means the aggregate principal amount of the
Senior Notes which are components of Corporate Units on the Initial Remarketing
Date.

     "Authorized Newspaper" means a daily newspaper, in the English language,
customarily published on each day that is a Business Day in The City of New
York, whether or not published on days that are legal holidays, and of general
circulation in The City of New York. The Authorized Newspaper for the purposes
of the Reset Announcement Date is currently anticipated to be The Wall Street
Journal.

     "Bankruptcy Code" means Title 11 of the United States Code, or any other
law of the United States that from time to time provides a uniform system of
bankruptcy laws.

     "Beneficial Owner" means, with respect to a Book-Entry Interest, a Person
who is the owner of such Book-Entry Interest as reflected on the books of the
Clearing Agency or on the books of a Person maintaining an account with such
Clearing Agency (directly as a Clearing Agency Participant or as an indirect
participant, in each case in accordance with the rules of such Clearing
Agency).

     "Board of Directors" means the board of directors of the Company or a duly
authorized committee of that board.

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

     "Book-Entry Interest" means a beneficial interest in a Global Certificate,
ownership and transfers of which shall be maintained and made through book
entries by a Clearing Agency as described in Section 3.6.

     "Business Day" means any day other than a Saturday, a Sunday or any other
day on which banking institutions and trust companies in New York City (in the
State of New York) are permitted or required by any applicable law to close.

     "Cash Settlement" has the meaning set forth in Section 5.4(a)(i).

     "Certificate" means a Corporate Units Certificate or a Treasury Units
Certificate.

                                       3
<PAGE>

     "Clearing Agency" means an organization registered as a "Clearing Agency"
pursuant to Section 17A of the Exchange Act that is acting as a depositary for
the Securities and in whose name, or in the name of a nominee of that
organization, shall be registered a Global Certificate and which shall undertake
to effect book entry transfers and pledges of the Securities.

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

     "Closing Price" has the meaning specified in Section 5.1.

     "Collateral" has the meaning specified in Section 2.1 of the Pledge
Agreement.

     "Collateral Agent" means Bank One Trust Company, N.A., as Collateral Agent
under the Pledge Agreement until a successor Collateral Agent shall have become
such pursuant to the applicable provisions of the Pledge Agreement, and
thereafter "Collateral Agent" shall mean the Person who is then the Collateral
Agent thereunder.

     "Collateral Substitution" has the meaning specified in Section 3.13.

     "Common Stock" means the common stock, no par value, of the Company.

     "Company" means the Person named as the "Company" in the first paragraph of
this instrument until a successor shall have become such pursuant to the
applicable provision of this Agreement, and thereafter "Company" shall mean such
successor.

     "Contract Adjustment Payments" means in the case of Corporate Units and
Treasury Units the amount payable by the Company in respect of each Purchase
Contract constituting a part of a Corporate Unit or Treasury Unit, equal to __%
per annum of the Stated Amount, in each case computed on the basis of a 360 day
year of twelve 30 day months, plus any Deferred Contract Adjustment Payments
accrued pursuant to Section 5.2 or 5.3.

     "Corporate Trust Office" means the office of the Agent at which, at any
particular time, its corporate trust business shall be principally administered,
which office at the date hereof is located at 450 West 33rd Street, New York,
New York 10001.

                                       4
<PAGE>

     "Corporate Unit" means the collective rights and obligations of a Holder of
a Corporate Unit Certificate in respect of one Senior Note, principal amount
$25, or an appropriate Applicable Ownership Interest of the Treasury Portfolio,
as the case may be, subject in each case to the Pledge thereof, and the related
Purchase Contract.

     "Corporate Units Certificate" means a certificate evidencing the rights and
obligations of a Holder in respect of the number of Corporate Units specified on
such certificate.

     "Corporate Units Register" and "Corporate Units Registrar" have the respec
tive meanings specified in Section 3.5.

     "Coupon Rate" means the percentage rate per annum at which each Senior Note
will bear interest initially.

     "Current Market Price" has the meaning specified in Section 5.6(a)(8).

     "Deferred Contract Adjustment Payments" has the meaning specified in
Section 5.3.

     "Depositary" means, initially, DTC until another Clearing Agency becomes
its successor.

     "Duke Capital" means Duke Capital Corporation, a Delaware corporation and
wholly owned subsidiary of the Company, or any successor under the Indenture.

     "DTC" means The Depository Trust Company, the initial Clearing Agency.

     "Early Settlement" has the meaning specified in Section 5.9(a).

     "Early Settlement Amount" has the meaning specified in Section 5.9(a).

     "Early Settlement Date" has the meaning specified in Section 5.9(a).

     "Early Settlement Rate" has the meaning specified in Section 5.9(b).

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

                                       5
<PAGE>

         "Expiration Date" has the meaning specified in Section 1.4.

         "Expiration Time" has the meaning specified in Section 5.6(a)(6).

         "Failed Initial Remarketing" has the meaning specified in Section 5.3A.

         "Failed Secondary Remarketing" has the meaning specified in Section
5.4(b).

         "Global Senior Note Certificate" means a certificate evidencing the
respective rights and obligations of holders in respect of the number of Senior
Notes specified on such certificate and which is registered in the name of the
Depositary or a nominee thereof.

         "Global Certificate" means a Certificate that evidences all or part of
the Securities and is registered in the name of a Depositary or a nominee
thereof.

         "Holder," when used with respect to a Security or any component
thereof, means the Person in whose name the Security evidenced by a Corporate
Units Certificate and/or Treasury Units Certificate is registered in the related
Corporate Units Register and/or Treasury Units Register, as the case may be.

         "Indenture" means the Senior Indenture dated as of April 1, 1998
between Duke Capital and the Indenture Trustee, as amended and supplemented by
the Third Supplemental Indenture dated as of March __, 2001 between Duke Capital
and the Indenture Trustee (the "Third Supplemental Indenture").

         "Indenture Trustee" means The Chase Manhattan Bank, a New York banking
corporation, as trustee under the Indenture, or any successor thereto.

         "Initial Remarketing" has the meaning specified in Section 5.3A.

         "Initial Remarketing Date" means the third Business Day immediately
preceding ___________, 2004.

         "Issuer Order" or "Issuer Request" means a written order or request
signed in the name of the Company by its Chairman of the Board, its President or
a Vice President and by its Chief Financial Officer, its Treasurer, an Assistant
Treasurer, its Secretary or an Assistant Secretary, and delivered to the Agent.

         "NYSE" has the meaning specified in Section 5.1.

                                       6
<PAGE>

         "New York Office" shall have the meaning set forth in Section 10.2

         "Officer's Certificate" means a certificate of the Company signed on
its behalf by the Chairman of the Board, the President, any Vice President, the
Treasurer, any Assistant Treasurer, the Secretary or any Assistant Secretary of
the Company and delivered to the Agent.

         "Opinion of Counsel" means an opinion in writing signed by legal
counsel, who may be an employee of or counsel to the Company or an Affiliate and
who shall be reasonably acceptable to the Agent.

         "Outstanding Securities," with respect to the Corporate Units or
Treasury Units, means, as of the date of determination, all Corporate Units or
Treasury Units, as the case may be, evidenced by Certificates theretofore
authenticated, executed and delivered under this Agreement, except:

                  (i)   If a Termination Event has occurred, (A) Treasury Units
         for which the Stated Amount of Treasury Securities has been theretofore
         deposited with the Agent in trust for the Holders of such Treasury
         Units and (B) Corporate Units for which the Stated Amount of the
         related Senior Notes or the appropriate Applicable Ownership Interest
         of the Treasury Portfolio, as the case may be, has been theretofore
         deposited with the Agent in trust for the Holders of such Corporate
         Units;

                  (ii)  Corporate Units or Treasury Units evidenced by
         Certificates theretofore cancelled by the Agent or delivered to the
         Agent for cancellation or deemed cancelled pursuant to the provisions
         of this Agreement; and

                  (iii) Corporate Units or Treasury Units evidenced by
         Certificates in exchange for or in lieu of which other Certificates
         have been authenticated, executed on behalf of the Holder and delivered
         pursuant to this Agreement, other than any such Certificate in respect
         of which there shall have been presented to the Agent proof
         satisfactory to it that such Certificate is held by a bona fide
         purchaser in whose hands the Corporate Units or Treasury Units
         evidenced by such Certificate are valid obligations of the Company;

provided, however, that in determining whether the Holders of the requisite
--------  -------
number of the Corporate Units or Treasury Units have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, Corporate Units
or Treasury Units owned by the Company or any Affiliate of the Company shall be
disregarded

                                       7
<PAGE>

and deemed not to be outstanding, except that, in determining whether the Agent
shall be protected in relying upon any such request, demand, authorization,
direction, notice, consent or waiver, only Corporate Units or Treasury Units
which a Responsible Officer of the Agent knows to be so owned shall be so
disregarded. Corporate Units or Treasury Units so owned which have been pledged
in good faith may be regarded as Outstanding Securities if the pledgee
establishes to the satisfaction of the Agent the pledgee's right so to act with
respect to such Corporate Units or Treasury Units and that the pledgee is not
the Company or any Affiliate of the Company.

         "Payment Date" means each _________, _________, _________ and
_________, commencing ___________, 2001.

         "Permitted Investments" has the meaning set forth in Section 1.1 of the
Pledge Agreement.

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

         "Pledge" means the pledge under the Pledge Agreement of the Senior
Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be, and of the Treasury Securities, in each case
constituting a part of the Securities.

         "Pledge Agreement" means the Pledge Agreement, dated as of the date
hereof, by and among the Company, the Collateral Agent and the Agent, on its own
behalf and as attorney-in-fact for the Holders from time to time of the
Securities, as the same may hereafter be amended in accordance with the terms
thereof.

         "Predecessor Certificate" means a Predecessor Corporate Units
Certificate or a Predecessor Treasury Units Certificate.

         "Predecessor Corporate Units Certificate" of any particular Corporate
Units Certificate means every previous Corporate Units Certificate evidencing
all or a portion of the rights and obligations of the Company and the Holder
under the Corporate Units evidenced thereby; and, for the purposes of this
definition, any Corporate Units Certificate authenticated and delivered under
Section 3.10 in exchange for or in lieu of a mutilated, destroyed, lost or
stolen Corporate Units Certificate shall be deemed to evidence the same rights
and obligations of the

                                       8
<PAGE>

Company and the Holder as the mutilated, destroyed, lost or stolen Corporate
Units Certificate.

         "Predecessor Treasury Units Certificate" of any particular Treasury
Units Certificate means every previous Treasury Units Certificate evidencing all
or a portion of the rights and obligations of the Company and the Holder under
the Treasury Units evidenced thereby; and, for the purposes of this definition,
any Treasury Units Certificate authenticated and delivered under Section 3.10 in
exchange for or in lieu of a mutilated, destroyed, lost or stolen Treasury
Units Certificate shall be deemed to evidence the same rights and obligations
of the Company and the Holder as the mutilated, destroyed, lost or stolen
Treasury Units Certificate.

         "Primary Treasury Dealer" means a primary U.S. government securities
dealer in The City of New York.

         "Proceeds" has the meaning set forth in Section 1.1 of the Pledge
Agreement.

         "Purchase Contract," when used with respect to any Security, means the
contract forming a part of such Security and obligating the Company to (i) sell,
and the Holder of such Security to purchase, Common Stock and (ii) pay the
Holder Contract Adjustment Payments, if any, on the terms and subject to the
conditions set forth in Article Five hereof.

         "Purchase Contract Settlement Date" means _______________, 2004.

         "Purchase Contract Settlement Fund" has the meaning specified in
Section 5.5.

         "Purchase Price" has the meaning specified in Section 5.1.

         "Purchased Shares" has the meaning specified in Section 5.6(a)(6).

         "Quotation Agent" means (i) Morgan Stanley & Co. Incorporated and its
respective successors, provided, however, that if the foregoing shall cease to
be a Primary Treasury Dealer, the Company shall substitute therefor another
Primary Treasury Dealer or (ii) any other Primary Treasury Dealer selected by
the Company.

         "Record Date" for the distribution payable in respect of the Senior
Notes or the Applicable Ownership Percentage of the Treasury Portfolio payable
on any

                                       9
<PAGE>

Payment Date means the first day of the month in which the relevant Payment Date
occurs.

         "Redemption Amount" means, for each Senior Note, the product of (i) the
principal amount of such Senior Note and (ii) a fraction whose numerator is the
applicable Treasury Portfolio Purchase Price and whose denominator is the
applicable Tax Event Redemption Principal Amount.

         "Redemption Price" means the redemption price per Senior Note equal to
the Redemption Amount plus any accrued and unpaid interest on such Senior Note
to the date of redemption.

         "Register" means the Corporate Units Register and the Treasury Units
Register.

         "Registrar" means the Corporate Units Registrar and the Treasury Units
Registrar.

         "Remarketing Agent" has the meaning specified in Section 5.3A.

         "Remarketing Agreement" means the Remarketing Agreement dated as of
March __, 2001 by and among the Company, Duke Capital, the Remarketing Agent and
the Purchase Contract Agent, and any supplemental remarketing agreement between
such parties entered into in connection therewith.

         "Remarketing Fee" has the meaning specified in Section 5.3A.

         "Reorganization Event" has the meaning specified in Section 5.6(b).

         "Reset Agent" means a nationally recognized investment banking firm
chosen by the Company to determine the Reset Rate. It is currently anticipated
that Morgan Stanley & Co. Incorporated will act in such capacity.

         "Reset Announcement Date" means, in the case of the Reset Rate to be
determined on the Initial Remarketing Date, the tenth Business Day immediately
preceding __________________, 2004 and, in the case of the Reset Rate to be
determined on the Secondary Remarketing Date, the tenth Business Day immediately
preceding the Purchase Contract Settlement Date.

                                      10
<PAGE>

         "Reset Rate" means the interest rate per annum (to be determined by the
Reset Agent), rounded to the nearest one-thousandth (0.001) of one percent per
annum, equal to the sum of (X) the Reset Spread and (Y) the rate of interest on
(1) in the case of the Reset Rate to be determined on the Initial Remarketing
Date, the Two and One-Quarter Year Benchmark Treasury in effect on the Initial
Remarketing Date or (2) in the case of the Reset Rate to be determined on the
Secondary Remarketing Date, the Two-Year Benchmark Treasury in effect on the
Secondary Remarketing Date; provided, however, that the Reset Rate shall not
exceed the maximum rate permitted by applicable law.

         "Reset Spread" means (a) in the case of the Reset Rate to be determined
on the Initial Remarketing Date, a spread amount to be determined by the Reset
Agent on the applicable Reset Announcement Date as the appropriate spread so
that the Reset Rate will be the interest rate that the Senior Notes should bear
in order for the Applicable Principal Amount of Senior Notes to have an
approximate aggregate market value of 100.5% of the Treasury Portfolio Purchase
Price on the Initial Remarketing Date and (b) in the case of the Reset Rate to
be determined on the Secondary Remarketing Date, a spread amount determined by
the Reset Agent on the applicable Reset Announcement Date as the appropriate
spread so that the Reset Rate will be the interest rate that the Senior Notes
should bear in order for the Senior Notes to have an approximate market value of
100.5% of their principal amount on the Secondary Remarketing Date.

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

         "Secondary Remarketing" has the meaning specified in Section 5.4(b).

         "Secondary Remarketing Date" means the third Business Day immediately
preceding the Purchase Contract Settlement Date.

         "Security" means a Corporate Unit or a Treasury Unit.

         "Senior Indebtedness" means indebtedness of any kind of the Company
unless the instrument under which such indebtedness is incurred expressly
provides that it is on a parity in right of payment with or subordinate in right
of payment to the Contract Adjustment Payments.

         "Senior Notes" means the ___% Senior Notes due 2006 of Duke Capital, to
be issued under the Indenture as of the date hereof. Any reference herein to
"one

                                      11
<PAGE>

Senior Note", "a Senior Note" or "the Senior Note" or any phrase herein having a
similar meaning shall be a reference to a Senior Note in the principal amount of
$25.

         "Settlement Rate" has the meaning specified in Section 5.1.

         "Stated Amount" means the stated amount of a Security, or $25.

         "Successful Initial Remarketing" has the meaning specified in Section
5.3.

         "Successful Secondary Remarketing" has the meaning specified in Section
5.3(a).

         "Tax Event" means the receipt by Duke Capital of an opinion of a
nationally recognized independent tax counsel experienced in such matters to the
effect that, as a result of (a) any amendment to, or change (including any
announced proposed change) in, the laws (or any regulations thereunder) of the
United States or any political subdivision or taxing authority thereof or
therein affecting taxation, (b) any amendment to or change in an interpretation
or application of any such laws or regulations by any legislative body, court,
governmental agency or regulatory authority or (c) any interpretation or
pronouncement that provides for a position with respect to such laws or
regulations that differs from the generally accepted position on the original
issue date of the Senior Notes, which amendment, change or proposed change is
effective or which interpretation or pronouncement is announced on or after the
original issue date of the Senior Notes, there is more than an insubstantial
risk that interest payable by Duke Capital on the Senior Notes would not be
deductible, in whole or in part, by Duke Capital for United States federal
income tax purposes.

         "Tax Event Redemption" means, if a Tax Event shall occur and be
continuing, the redemption of the Senior Notes, at the option of the Company, in
whole but not in part, on not less than 30 days nor more than 60 days notice.

         "Tax Event Redemption Date" means the date upon which a Tax Event
Redemption is to occur.

         "Tax Event Redemption Principal Amount" means either (i) if the Tax
Event Redemption Date occurs prior to ______________, 2004 or, in the event of a
Failed Initial Remarketing, prior to the Purchase Contract Settlement Date, the
aggregate principal amount of the Senior Notes which are components of Corporate
Units on the Tax Event Redemption Date or (ii) if the Tax Event Redemption Date
occurs on

                                      12
<PAGE>

or after _________________, 2004 in the case of a Successful Initial Remarketing
or, in the event of a Failed Initial Remarketing, on or after the Purchase
Contract Settlement Date, the aggregate principal amount of the Senior Notes
outstanding on such Tax Event Redemption Date.

         "Termination Date" means the date, if any, on which a Termination Event
occurs.

         "Termination Event" means the occurrence of any of the following
events: (i) at any time on or prior to the Purchase Contract Settlement Date, a
judgment, decree or court order shall have been entered granting relief under
the Bankruptcy Code, adjudicating the Company to be insolvent, or approving as
properly filed a petition seeking reorganization or liquidation of the Company
or any other similar applicable Federal or State law, and, unless such judgment,
decree or order shall have been entered within 60 days prior to the Purchase
Contract Settlement Date, such decree or order shall have continued undischarged
and unstayed for a period of 60 days; or (ii) at any time on or prior to the
Purchase Contract Settlement Date, a judgment, decree or court order for the
appointment of a receiver or liquidator or trustee or assignee in bankruptcy or
insolvency of the Company or of its property, or for the winding up or
liquidation of its affairs, shall have been entered, and, unless such judgment,
decree or order shall have been entered within 60 days prior to the Purchase
Contract Settlement Date, such judgment, decree or order shall have continued
undischarged and unstayed for a period of 60 days, or (iii) at any time on or
prior to the Purchase Contract Settlement Date the Company shall file a petition
for relief under the Bankruptcy Code, or shall consent to the filing of a
bankruptcy proceeding against it, or shall file a petition or answer or consent
seeking reorganization or liquidation under the Bankruptcy Code or any other
similar applicable federal or State law, or shall consent to the filing of any
such petition, or shall consent to the appointment of a receiver or liquidator
or trustee or assignee in bankruptcy or insolvency of it or of its property, or
shall make an assignment for the benefit of creditors, or shall admit in writing
its inability to pay its debts generally as they become due.

         "Threshold Appreciation Price" has the meaning specified in Section
5.1.

         "TIA" means the Trust Indenture Act of 1939, as amended, or any
successor statute.

         "Trading Day" has the meaning specified in Section 5.1.

                                      13
<PAGE>

         "Treasury Portfolio" means (1) in connection with the Initial
Remarketing, a portfolio of zero-coupon U.S. Treasury securities consisting of
(a) principal or interest strips of U.S. Treasury securities which mature on or
prior to ____________, 2004 in an aggregate amount equal to the Applicable
Principal Amount and (b) with respect to the scheduled interest payment date on
the Senior Notes that occurs on the Purchase Contract Settlement Date, principal
or interest strips in U.S. Treasury securities which mature on or prior to such
date in an aggregate amount equal to the aggregate interest payment that would
be due on the Applicable Principal Amount of the Senior Notes on such date if
the applicable Coupon Rate on the Senior Notes were not reset to the Reset Rate
as described in Section 4.1 and (2) in connection with a Tax Event Redemption,
(a) if the Tax Event Redemption Date occurs prior to _________________, 2004 or,
in the event of a Failed Initial Remarketing and prior to the Purchase Contract
Settlement Date, a portfolio of zero-coupon U.S. Treasury securities consisting
of (i) principal or interest strips of U.S. Treasury securities which mature on
or prior to ____________, 2004 in an aggregate amount equal to the applicable
Tax Event Redemption Principal Amount and (ii) with respect to each scheduled
interest payment date on the Senior Notes that occurs after the Tax Event
Redemption Date and on or before the Purchase Contract Settlement Date,
principal or interest strips of U.S. Treasury securities which mature on or
prior to such date in an aggregate amount equal to the aggregate interest
payment that would be due on the applicable Tax Event Redemption Principal
Amount of the Senior Notes on such date, and (b) if the Tax Event Redemption
Date occurs on or after ______________, 2004 in the case of a Successful Initial
Remarketing or, in the event of a Failed Initial Remarketing, on or after the
Purchase Contract Settlement Date, a portfolio of zero-coupon U.S. Treasury
securities consisting of (i) principal or interest strips of U.S. Treasury
securities which mature on or prior to _________, 2006 in an aggregate amount
equal to the applicable Tax Event Redemption Principal Amount and (ii) with
respect to each scheduled interest payment date on the Senior Notes that occurs
after the Tax Event Redemption Date, principal or interest strips of such U.S.
Treasury securities which mature on or prior to such date in an aggregate
amount equal to the aggregate interest payment that would be due on the
applicable Tax Event Redemption Principal Amount of the Senior Notes on such
date.

         "Treasury Portfolio Purchase Price" means the lowest aggregate price
quoted by the Primary Treasury Dealer to the Quotation Agent (a) in the case of
a Tax Event Redemption, on the third Business Day immediately preceding the Tax
Event Redemption Date for the purchase of the applicable Treasury Portfolio for
settlement on the Tax Event Redemption Date and (b) in the case of the Initial
Remarketing, on the Initial Remarketing Date for the purchase of the applicable
Treasury Portfolio for settlement on ____________________, 2004.

                                      14
<PAGE>

         "Treasury Security" means zero-coupon U.S. Treasury security (CUSIP
Number ________) which matures on ______________, 2004.

         "Treasury Unit" means the collective rights and obligations of a Holder
of a Treasury Units Certificate in respect of the Treasury Securities, subject
to the Pledge thereof, and the related Purchase Contract.

         "Treasury Units Certificate" means a certificate evidencing the rights
and obligations of a Holder in respect of the number of Treasury Units specified
on such certificate.

         "Treasury Units Register" and "Treasury Units Registrar" have the
respective meanings specified in Section 3.5.

         "Two-Year Benchmark Treasury" means direct obligations of the United
States (which may be obligations traded on a when-issued basis only) having a
maturity comparable to the remaining term to maturity of the Senior Notes, as
agreed upon by the Company and the Reset Agent. The rate for the Two-Year
Benchmark Treasury will be the bid side rate displayed at 10:00 A.M., New York
City time, on the third Business Day immediately preceding the Purchase Contract
Settlement Date in the Telerate system (or if the Telerate system is (a) no
longer available on the Secondary Remarketing Date or (b) in the opinion of the
Reset Agent (after consultation with the Company) no longer an appropriate
system from which to obtain such rate, such other nationally recognized
quotation system as, in the opinion of the Reset Agent (after consultation with
the Company) is appropriate). If such rate is not so displayed, the rate for the
Two-Year Benchmark Treasury shall be, as calculated by the Reset Agent, the
yield to maturity for the Two-Year Benchmark Treasury, expressed as a bond
equivalent on the basis of a year of 365 or 366 days, as applicable, and
applied on a daily basis, and computed by taking the arithmetic mean of the
secondary market bid rates, as of 10:30 A.M., New York City time, on the
Secondary Remarketing Date of three leading United States government securities
dealers selected by the Reset Agent (after consultation with the Company) (which
may include the Reset Agent or an Affiliate thereof).

         "Two and One-Quarter Year Benchmark Treasury" means direct obligations
of the United States (which may be obligations traded on a when-issued basis
only) having a maturity comparable to the remaining term to maturity of the
Senior Notes, as agreed upon by the Company and the Reset Agent. The rate for
the Two and One-Quarter Year Benchmark Treasury will be the bid side rate
displayed at 10:00 A.M., New York City time, on the Initial Remarketing Date in
the Telerate system (or if the
<PAGE>

Telerate system is (a) no longer available on the Initial Remarketing Date or
(b) in the opinion of the Reset Agent (after consultation with the Company) no
longer an appropriate system from which to obtain such rate, such other
nationally recognized quotation system as, in the opinion of the Reset Agent
(after consultation with the Company) is appropriate). If such rate is not so
displayed, the rate for the Two and One-Quarter Year Benchmark Treasury shall
be, as calculated by the Reset Agent, the yield to maturity for the Two and One-
Quarter Year Benchmark Treasury, expressed as a bond equivalent on the basis of
a year of 365 or 366 days, as applicable, and applied on a daily basis, and
computed by taking the arithmetic mean of the secondary market bid rates, as of
10:30 A.M., New York City time, on the Initial Remarketing Date of three leading
United States government securities dealers selected by the Reset Agent (after
consultation with the Company) (which may include the Reset Agent or an
Affiliate thereof).

         "Underwriting Agreement" means the Underwriting Agreement dated March
___, 2001 among the Company, Duke Capital, Morgan Stanley & Co. Incorporated,
Merrill Lynch, Pierce, Fenner & Smith Incorporated, Banc of America Securities
LLC, Credit Suisse First Boston Corporation and J.P. Morgan Securities Inc., as
representatives of the underwriters named therein.

         "Vice President" means any vice president, whether or not designated by
a number or a word or words added before or after the title "vice president."

Section 1.2.   Compliance Certificates and Opinions.

         Except as otherwise expressly provided by this Agreement, upon any
application or request by the Company to the Agent to take any action under any
provision of this Agreement, the Company shall furnish to the Agent an Officer's
Certificate stating that all conditions precedent, if any, provided for in this
Agreement relating to the proposed action have been complied with and, if
requested by the Agent, an Opinion of Counsel stating that, in the opinion of
such counsel, all such conditions precedent, if any, have been complied with,
except that in the case of any such application or request as to which the
furnishing of such documents is specifically required by any provision of this
Agreement relating to such particular application or request, no additional
certificate or opinion need be furnished.

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

                                      16
<PAGE>

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

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

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

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

Section 1.3.   Form of Documents Delivered to Agent.

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

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

                                      17
<PAGE>

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

Section 1.4. Acts of Holders; Record Dates.

     (a)     Any request, demand, authorization, direction, notice, consent,
waiver or other action 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 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 Agent and, where it is hereby expressly required, to the Company. Such
instrument or instruments (and the action embodied therein and evidenced
thereby) are herein sometimes referred to as the "Act" of the Holders signing
such instrument or instruments. Proof of execution of any such instrument or of
a writing appointing any such agent shall be sufficient for any purpose of this
Agreement and (subject to Section 7.1) conclusive in favor of the Agent and the
Company, if made in the manner provided in this Section.

     (b)     The fact and date of the execution by any Person of any such
instrument or writing may be proved in any manner which the Agent deems
sufficient.

     (c)     The ownership of Securities shall be proved by the Corporate Units
Register or the Treasury Units Register, as the case may be.

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

     (e)     The Company may set any day as a record date for the purpose of
determining the Holders of Outstanding Securities entitled to give, make or take
any request, demand, authorization, direction, notice, consent, waiver or other
action provided or permitted by this Agreement to be given, made or taken by
Holders of Securities. If any record date is set pursuant to this paragraph, the
Holders of the Outstanding Corporate Units and the Outstanding Treasury Units,
as the case may be, on such record date, and no other Holders, shall be entitled
to take the relevant action with respect to the Corporate Units or the Treasury
Units, as the case may be,

                                      18
<PAGE>

whether or not such Holders remain Holders after such record date; provided that
no such action shall be effective hereunder unless taken on or prior to the
applicable Expiration Date by Holders of the requisite number of Outstanding
Securities on such record date. Nothing in this paragraph shall be construed to
prevent the Company from setting a new record date for any action for which a
record date has previously been set pursuant to this paragraph (whereupon the
record date previously set shall automatically and with no action by any Person
be cancelled and of no effect), and nothing in this paragraph shall be construed
to render ineffective any action taken by Holders of the requisite number of
Outstanding Securities on the date such action is taken. Promptly after any
record date is set pursuant to this paragraph, the Company, at its own expense,
shall cause notice of such record date, the proposed action by Holders and the
applicable Expiration Date to be given to the Agent in writing and to each
Holder of Securities in the manner set forth in Section 1.6.

     With respect to any record date set pursuant to this Section, the Company
may designate any date as the "Expiration Date" and from time to time may change
the Expiration Date to any earlier or later day; provided that no such change
shall be effective unless notice of the proposed new Expiration Date is given to
the Agent in writing, and to each Holder of Securities in the manner set forth
in Section 1.6, on or prior to the existing Expiration Date. If an Expiration
Date is not designated with respect to any record date set pursuant to this
Section, the Company shall be deemed to have initially designated the 180th day
after such record date as the Expiration Date with respect thereto, subject to
its right to change the Expiration Date as provided in this paragraph.
Notwithstanding the foregoing, no Expiration Date shall be later than the 180th
day after the applicable record date.

Section 1.5.   Notices.

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

               (1)  the Agent by any Holder or by the Company shall be
     sufficient for every purpose hereunder (unless otherwise herein expressly
     provided) if made, given, furnished or filed in writing and personally
     delivered or mailed, first-class postage prepaid, to the Agent at The Chase
     Manhattan Bank, 450 West 33rd Street, New York, New York 10001, Attention:
     Institutional Trust Services, or at any other address previously furnished
     in writing by the Agent to the Holders and the Company; or

                                      19

<PAGE>

               (2)  the Company by the Agent or by any Holder shall be
     sufficient for every purpose hereunder (unless otherwise herein expressly
     provided) if made, given, furnished or filed in writing and personally
     delivered or mailed, first-class postage prepaid, to the Company at Duke
     Energy Corporation, 526 South Church Street, Charlotte, North Carolina
     28202, Attention: Chief Financial Officer, or at any other address
     previously furnished in writing to the Agent by the Company; or

               (3)  the Collateral Agent by the Agent, the Company or any Holder
     shall be sufficient for every purpose hereunder (unless otherwise herein
     expressly provided) if made, given, furnished or filed in writing and
     personally delivered or mailed, first-class postage prepaid, addressed to
     the Collateral Agent at Bank One Trust Company, N.A., One North State
     Street, 9th Floor, Chicago, Illinois 60602, Attention: Corporate Trust
     Services Division, or at any other address previously furnished in writing
     by the Collateral Agent to the Agent, the Company and the Holders; or

               (4)  the Indenture Trustee by the Company shall be sufficient for
     every purpose hereunder (unless otherwise herein expressly provided) if
     made, given, furnished or filed in writing and personally delivered or
     mailed, first-class postage prepaid, addressed to the Indenture Trustee at
     The Chase Manhattan Bank, 450 West 33rd Street, New York, New York 10001,
     Attention: Institutional Trust Services, or at any other address previously
     furnished in writing by the Indenture Trustee to the Company.

Section 1.6.   Notice to Holders; Waiver.

     Where this Agreement provides for notice to Holders of any event, such
notice shall be sufficiently given (unless otherwise herein expressly provided)
if in writing and mailed, first-class postage prepaid, to each Holder affected
by such event, at its address as it appears in the applicable Register, not
later than the latest date, and not earlier than the earliest date, prescribed
for the giving of such notice. In any case where notice to Holders is given by
mail, neither the failure to mail such notice, nor any defect in any notice so
mailed, to any particular Holder shall affect the sufficiency of such notice
with respect to other Holders. Where this Agreement provides for notice in any
manner, such notice may be waived in writing by the Person entitled to receive
such notice, either before or after the event, and such waiver shall be the
equivalent of such notice. Waivers of notice by Holders shall be filed with the
Agent, but such filing shall not be a condition precedent to the validity of any
action taken in reliance upon such waiver.

                                      20
<PAGE>

     In case by reason of the suspension of regular mail service or by reason of
any other cause it shall be impracticable to give such notice by mail, then such
notification as shall be made with the approval of the Agent shall constitute a
sufficient notification for every purpose hereunder.

Section 1.7.   Effect of Headings and Table of Contents.

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

Section 1.8.   Successors and Assigns.

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

Section 1.9.   Separability Clause.

     In case any provision in this Agreement or in the Securities shall be
invalid, illegal or unenforceable, then, to the extent permitted by law, the
validity, legality and enforceability of the remaining provisions hereof and
thereof shall not in any way be affected or impaired thereby.

Section 1.10.  Benefits of Agreement.

     Nothing in this Agreement or in the Securities, express or implied, shall
give to any Person, other than the parties hereto and their successors hereunder
and, to the extent provided hereby, the Holders, any benefits or any legal or
equitable right, remedy or claim under this Agreement. The Holders from time to
time shall be beneficiaries of this Agreement to the extent provided hereby and
shall be bound by all of the applicable terms and conditions hereof and of the
Securities evidenced by their Certificates by their acceptance of delivery of
such Certificates.

Section 1.11.  Governing Law.

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

                                      21
<PAGE>

Section 1.12.  Legal Holidays.

     In any case where any Payment Date shall not be a Business Day, then
(notwithstanding any other provision of this Agreement or the Corporate Units
Certificates or the Treasury Units Certificates) payment of the Contract
Adjustment Payments, if any, shall not be made on such date, but such payments
shall be made on the next succeeding Business Day with the same force and effect
as if made on such Payment Date, provided that no interest shall accrue or be
payable by the Company or any Holder for the period from and after any such
Payment Date unless there shall be a default in the payment due on such next
succeeding Business Day, except that, if such next succeeding Business Day is in
the next succeeding calendar year, such payment shall be made on the immediately
preceding Business Day with the same force and effect as if made on such Payment
Date.

     In any case where any Purchase Contract Settlement Date shall not be a
Business Day, then (notwithstanding any other provision of this Agreement, the
Corporate Units Certificates or the Treasury Units Certificates), the Purchase
Contracts shall not be performed on such date, but the Purchase Contracts shall
be performed on the immediately following Business Day with the same force and
effect as if performed on the Purchase Contract Settlement Date.

Section 1.13.  Counterparts.

     This Agreement may be executed in any number of counterparts by the parties
hereto on separate counterparts, each of which, when so executed and delivered,
shall be deemed an original, but all such counterparts shall together constitute
one and the same instrument.

Section 1.14.  Inspection of Agreement.

     A copy of this Agreement shall be available at all reasonable times during
normal business hours at the Corporate Trust Office for inspection by any
Holder.

                                      22
<PAGE>

                                  ARTICLE II

                               Certificate Forms

Section 2.1.   Forms of Certificates Generally.

     The Corporate Units Certificates (including the form of Purchase Contract
forming part of the Corporate Units evidenced thereby) shall be in substantially
the form set forth in Exhibit A hereto, with such letters, numbers or other
marks of identification or designation and such legends or endorsements printed,
lithographed or engraved thereon as may be required by the rules of any
securities exchange on which the Corporate Units are listed or any depositary
therefor, or as may, consistently herewith, be determined by the officers of
the Company executing such Corporate Units Certificates, as evidenced by their
execution of the Corporate Units Certificates.

     The definitive Corporate Units Certificates shall be printed, lithographed
or engraved on steel engraved borders or may be produced in any other manner,
all as determined by the officers of the Company executing such Corporate Units
Certificates, consistent with the provisions of this Agreement, as evidenced by
their execution thereof.

     The Treasury Units Certificates (including the form of Purchase Contract
forming part of the Treasury Units evidenced thereby) shall be in substantially
the form set forth in Exhibit B hereto, with such letters, numbers or other
marks of identification or designation and such legends or endorsements printed,
lithographed or engraved thereon as may be required by the rules of any
securities exchange on which the Treasury Units are listed or any depositary
therefor, or as may, consistently herewith, be determined by the officers of the
Company executing such Treasury Units Certificates, as evidenced by their
execution of the Treasury Units Certificates.

     The definitive Treasury Units Certificates shall be printed, lithographed
or engraved on steel engraved borders or may be produced in any other manner,
all as determined by the officers of the Company executing such Treasury Units
Certificates, consistent with the provisions of this Agreement, as evidenced by
their execution thereof.

     Every Global Certificate authenticated, executed on behalf of the Holders
and delivered hereunder shall bear a legend in substantially the following form:

                                      23
<PAGE>

          THIS CERTIFICATE IS A GLOBAL CERTIFICATE WITHIN THE MEANING OF THE
          PURCHASE CONTRACT AGREEMENT (AS HEREINAFTER DEFINED) AND IS
          REGISTERED IN THE NAME OF THE CLEARING AGENCY OR A NOMINEE THEREOF.
          THIS CERTIFICATE MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A
          CERTIFICATE REGISTERED, AND NO TRANSFER OF THIS CERTIFICATE IN WHOLE
          OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN
          SUCH CLEARING AGENCY OR A NOMINEE THEREOF, EXCEPT IN THE LIMITED
          CIRCUMSTANCES DESCRIBED IN THE PURCHASE CONTRACT AGREEMENT.

Section 2.2.   Form of Agent's Certificate of Authentication.

     The form of the Agent's certificate of authentication of the Corporate
Units shall be in substantially the form set forth on the form of the Corporate
Units Certificates.

     The form of the Agent's certificate of authentication of the Treasury Units
shall be in substantially the form set forth on the form of the Treasury Units
Certificates.

                                  ARTICLE III

                                The Securities

Section 3.1.   Title and Terms; Denominations.

     The aggregate number of Corporate Units and Treasury Units evidenced by
Certificates authenticated, executed on behalf of the Holders and delivered
hereunder is limited to 20,000,000 (or 23,000,000 if the Underwriters'
overallotment option is exercised in full) except for Certificates
authenticated, executed and delivered upon registration of transfer of, in
exchange for, or in lieu of, other Certificates pursuant to Section 3.4, 3.5,
3.9, 3.10, 3.13, 3.14, 5.9 or 8.5.

     The Certificates shall be issuable only in registered form and only in
denominations of a single Corporate Unit or Treasury Unit and any integral
multiple thereof.

                                      24
<PAGE>

Section 3.2.   Rights and Obligations Evidenced by the Certificates.

     Each Corporate Units Certificate shall evidence the number of Corporate
Units specified therein, with each such Corporate Unit representing the
ownership by the Holder thereof of a beneficial interest in a Senior Note or the
Applicable Owner ship Interest of the Treasury Portfolio, as the case may be,
subject to the Pledge of such Senior Note or the Applicable Ownership Interest
of the Treasury Portfolio, as the case may be, by such Holder pursuant to the
Pledge Agreement, and the rights and obligations of the Holder thereof and the
Company under one Purchase Contract. The Agent as attorney-in-fact for, and on
behalf of, the Holder of each Corporate Unit shall pledge, pursuant to the
Pledge Agreement, the Senior Note or the Applicable Ownership Interest of the
Treasury Portfolio, as the case may be, forming a part of such Corporate Unit,
to the Collateral Agent and grant to the Collateral Agent a security interest in
the right, title, and interest of such Holder in such Senior Note or the
Applicable Ownership Interest of the Treasury Portfolio, as the case may be, for
the benefit of the Company, to secure the obligation of the Holder under each
Purchase Contract to purchase the Common Stock of the Company.

     Each Treasury Units Certificate shall evidence the number of Treasury Units
specified therein, with each such Treasury Unit representing the ownership by
the Holder thereof of a 1/40, or 2.5%, undivided beneficial interest in a
Treasury Security with a principal or interest strip in the amount at maturity
equal to $1,000, subject to the Pledge of such Treasury Security by such Holder
pursuant to the Pledge Agreement, and the rights and obligations of the Holder
thereof and the Company under one Purchase Contract. The Agent as attorney-in-
fact for, and on behalf of, the Holder of each Treasury Unit shall pledge,
pursuant to the Pledge Agreement, the Treasury Security to the Collateral Agent
and grant to the Collateral Agent a security interest in the right, title and
interest of such Holder in such Treasury Security, for the benefit of the
Company, to secure the obligation of the Holder under each Purchase Contract to
purchase the Common Stock of the Company.

Section 3.3.   Execution, Authentication, Delivery and Dating.

     Subject to the provisions of Sections 3.13 and 3.14 hereof, upon the
execution and delivery of this Agreement, and at any time and from time to time
thereafter, the Company may deliver Certificates executed by the Company to the
Agent for authentication, execution on behalf of the Holders and delivery,
together with its Issuer Order for authentication of such Certificates, and the
Agent in

                                      25
<PAGE>

accordance with such Issuer Order shall authenticate, execute on behalf of the
Holders and deliver such Certificates.

         The Certificates shall be executed on behalf of the Company by its
Chairman of the Board, its President or one of its Vice Presidents and its
Treasurer or one of its Assistant Treasurers or its Secretary or one of its
Assistant Secretaries. The signature of any of these officers on the
Certificates may be manual or facsimile.

         Certificates bearing the manual or facsimile signatures of individuals
who were at any time the proper officers of the Company shall bind the Company,
notwithstanding that such individuals or any of them have ceased to hold such
offices prior to the authentication and delivery of such Certificates or did not
hold such offices at the date of such Certificates.

         No Purchase Contract evidenced by a Certificate shall be valid until
such Certificate has been executed on behalf of the Holder by the manual
signature of an authorized officer of the Agent, as such Holder's attorney-in-
fact. Such signature by an authorized officer of the Agent shall be conclusive
evidence that the Holder of such Certificate has entered into the Purchase
Contracts evidenced by such Certificate.

         Each Certificate shall be dated the date of its authentication.

         No Certificate shall be entitled to any benefit under this Agreement or
be valid or obligatory for any purpose unless there appears on such Certificate
a certificate of authentication substantially in the form provided for herein
executed by an authorized officer of the Agent by manual signature, and such
certificate upon any Certificate shall be conclusive evidence, and the only
evidence, that such Certificate has been duly authenticated and delivered
hereunder.

Section 3.4.   Temporary Certificates.

         Pending the preparation of definitive Certificates, the Company shall
execute and deliver to the Agent, and the Agent shall authenticate, execute on
behalf of the Holders, and deliver, in lieu of such definitive Certificates,
temporary Certificates which are in substantially the form set forth in Exhibit
A or Exhibit B hereto, as the case may be, with such letters, numbers or other
marks of identification or designation and such legends or endorsements
printed, lithographed or engraved thereon as may be required by the rules of any
securities exchange on which the Corporate Units or Treasury Units are listed,
or as may, consistently herewith, be

                                      26
<PAGE>

determined by the officers of the Company executing such Certificates, as
evidenced by their execution of the Certificates.

         If temporary Certificates are issued, the Company will cause definitive
Certificates to be prepared without unreasonable delay. After the preparation of
definitive Certificates, the temporary Certificates shall be exchangeable for
definitive Certificates upon surrender of the temporary Certificates at the
Corporate Trust Office or the New York Office, at the expense of the Company and
without charge to the Holder. Upon surrender for cancellation of any one or more
temporary Certificates, the Company shall execute and deliver to the Agent, and
the Agent shall authenticate, execute on behalf of the Holder, and deliver in
exchange therefor, one or more definitive Certificates of like tenor and
denominations and evidencing a like number of Corporate Units or Treasury Units,
as the case may be, as the temporary Certificate or Certificates so surrendered.
Until so exchanged, the temporary Certificates shall in all respects evidence
the same benefits and the same obligations with respect to the Corporate Units
or Treasury Units, as the case may be, evidenced thereby as definitive
Certificates.

Section 3.5.   Registration; Registration of Transfer and Exchange.

         The Agent shall keep at the Corporate Trust Office a Register (the
"Corporate Units Register") in which, subject to such reasonable regulations as
it may prescribe, the Agent shall provide for the registration of Corporate
Units Certificates and of transfers of Corporate Units Certificates (the Agent,
in such capacity, the "Corporate Units Registrar") and a Register (the "Treasury
Units Register") in which, subject to such reasonable regulations as it may
prescribe, the Agent shall provide for the registration of Treasury Units
Certificates and of transfers of Treasury Units Certificates (the Agent, in
such capacity, the "Treasury Units Registrar").

         Upon surrender for registration of transfer of any Certificate at the
Corporate Trust Office or the New York Office, the Company shall execute and
deliver to the Agent, and the Agent shall authenticate, execute on behalf of the
designated transferee or transferees, and deliver, in the name of the
designated transferee or transferees, one or more new Certificates of any
authorized denominations, like tenor, and evidencing a like number of Corporate
Units or Treasury Units, as the case may be.

         At the option of the Holder, Certificates may be exchanged for other
Certificates, of any authorized denominations and evidencing a like number of
Corporate Units or Treasury Units, as the case may be, upon surrender of the

                                      27
<PAGE>

Certificates to be exchanged at the Corporate Trust Office or the New York
Office. Whenever any Certificates are so surrendered for exchange, the Company
shall execute and deliver to the Agent, and the Agent shall authenticate,
execute on behalf of the Holder, and deliver the Certificates which the Holder
making the exchange is entitled to receive.

         All Certificates issued upon any registration of transfer or exchange
of a Certificate shall evidence the ownership of the same number of Corporate
Units or Treasury Units, as the case may be, and be entitled to the same
benefits and subject to the same obligations, under this Agreement as the
Corporate Units or Treasury Units, as the case may be, evidenced by the
Certificate surrendered upon such registration of transfer or exchange.

         Every Certificate presented or surrendered for registration of transfer
or for exchange shall (if so required by the Agent) be duly endorsed, or be
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Agent duly executed, by the Holder thereof or its attorney duly
authorized in writing.

         No service charge shall be made for any registration of transfer or
exchange of a Certificate, but the Company and the Agent may require payment
from the Holder of a sum sufficient to cover any tax or other governmental
charge that may be imposed in connection with any registration of transfer or
exchange of Certificates, other than any exchanges pursuant to Sections 3.4,
3.6, 3.9 and 8.5 not involving any transfer.

         Notwithstanding the foregoing, the Company shall not be obligated to
execute and deliver to the Agent, and the Agent shall not be obligated to
authenticate, execute on behalf of the Holder and deliver, any Certificate
presented or surrendered for registration of transfer or for exchange on or
after the Business Day immediately preceding the earlier of the Purchase
Contract Settlement Date or the Termination Date. In lieu of delivery of a new
Certificate, upon satisfaction of the applicable conditions specified above in
this Section and receipt of appropriate registration or transfer instructions
from such Holder, the Agent shall (i) if the Purchase Contract Settlement Date
has occurred, deliver the shares of Common Stock issuable in respect of the
Purchase Contracts forming a part of the Securities evidenced by such
Certificate (together with any cash or other property to which the Holder is
entitled), or (ii) if a Termination Event shall have occurred prior to the
Purchase Contract Settlement Date, transfer the Senior Notes, the appropriate
Applicable Ownership Interest of the Treasury Portfolio or the Treasury
Securities, as the case may be,

                                      28
<PAGE>

evidenced thereby, in each case subject to the applicable conditions and in
accordance with the applicable provisions of Article Five hereof.

Section 3.6.   Book-Entry Interests.

         The Certificates, on original issuance, will be issued in the form of
one or more fully registered Global Certificates, to be delivered to the
Depositary or a nominee or a custodian thereof by, or on behalf of, the Company.
Such Global Certificate shall initially be registered on the books and records
of the Company in the name of Cede & Co., the nominee of the Depositary, and no
Beneficial Owner will receive a definitive Certificate representing such
Beneficial Owner's interest in such Global Certificate, except as provided in
Section 3.9. The Agent shall enter into an agreement with the Depositary if so
requested by the Company. Unless and until definitive, fully registered
Certificates have been issued to Beneficial Owners pursuant to Section 3.9:

                  (a)  the provisions of this Section 3.6 shall be in full force
and effect;

                  (b)  the Company and the Agent shall be entitled to deal with
the Clearing Agency for all purposes of this Agreement (including the payment of
Contract Adjustment Payments, if any, and receiving approvals, votes or consents
hereunder) as the Holder of the Securities and the sole holder of the Global
Certificate(s) and shall have no obligation to the Beneficial Owners;

                  (c)  to the extent that the provisions of this Section 3.6
conflict with any other provisions of this Agreement, the provisions of this
Section 3.6 shall control; and

                  (d)  the rights of the Beneficial Owners shall be exercised
only through the Clearing Agency and shall be limited to those established by
law and agreements between such Beneficial Owners and the Clearing Agency and/or
the Clearing Agency Participants. The Clearing Agency will make book entry
transfers among Clearing Agency Participants and receive and transmit payments
of Contract Adjustment Payments, if any, to such Clearing Agency Participants.

Section 3.7.   Notices to Holders.

         Whenever a notice or other communication to the Holders is required to
be given under this Agreement, the Company or the Company's agent shall give
such

                                      29
<PAGE>

notices and communications to the Holders and, with respect to any Securities
registered in the name of a Clearing Agency or the nominee of a Clearing Agency,
the Company or the Company's agent shall, except as set forth herein, have no
obligations to the Beneficial Owners.

Section 3.8.   Appointment of Successor Clearing Agency.

         If any Clearing Agency ceases to be eligible as a "clearing agency"
under the Exchange Act or is unwilling or unable to continue to serve as
security depositary, the Company may, in its sole discretion, appoint a
successor Clearing Agency with respect to the Securities.

Section 3.9.   Definitive Certificates.

         If (i) a Clearing Agency ceases to be eligible as a "clearing agency"
under the Exchange Act and a successor Clearing Agency is not appointed pursuant
to Section 3.8 hereof within 90 days after the Company becomes aware of such
cessation, (ii) the Company receives a notice from the Clearing Agency that the
Clearing Agency is unwilling or unable to continue as a depositary with respect
to the Securities and no successor depositary has been appointed within 90 days
after the Company receives a notice thereof from the Clearing Agency, or (iii)
the Company elects to terminate the book-entry system through the Clearing
Agency with respect to the Securities, then upon surrender of the Global
Certificates representing the Book-Entry Interests with respect to the
Securities by the Clearing Agency, accompanied by registration instructions, the
Company shall cause definitive Certificates to be delivered to Beneficial Owners
in accordance with the instructions of the Clearing Agency. Neither the Company
nor the Agent shall be liable for any delay in delivery of such instructions and
may conclusively rely on and shall be protected in relying on, such
instructions.

Section 3.10.  Mutilated, Destroyed, Lost and Stolen Certificates.

         If any mutilated Certificate is surrendered to the Agent, the Company
shall execute and deliver to the Agent, and the Agent shall authenticate,
execute on behalf of the Holder, and deliver in exchange therefor, a new
Certificate at the cost of the Holder, evidencing the same number of Corporate
Units or Treasury Units, as the case may be, and bearing a Certificate number
not contemporaneously outstanding.

         If there shall be delivered to the Company and the Agent (i) evidence
to their satisfaction of the destruction, loss or theft of any Certificate, and
(ii) such security or

                                      30
<PAGE>

indemnity as may be required by them to hold each of them and any agent of any
of them harmless, then, in the absence of notice to the Company or the Agent
that such Certificate has been acquired by a bona fide purchaser, the Company
shall execute and deliver to the Agent, and the Agent shall authenticate,
execute on behalf of the Holder, and deliver to the Holder, in lieu of any such
destroyed, lost or stolen Certificate, a new Certificate, evidencing the same
number of Corporate Units or Treasury Units, as the case may be, and bearing a
Certificate number not contemporaneously outstanding, at the cost of the
Holder.

         Notwithstanding the foregoing, the Company shall not be obligated to
execute and deliver to the Agent, and the Agent shall not be obligated to
authenticate, execute on behalf of the Holder, and deliver to the Holder, a
Certificate on or after the Business Day immediately preceding the earlier of
the Purchase Contract Settlement Date or the Termination Date. In lieu of
delivery of a new Certificate, upon satisfaction of the applicable conditions
specified above in this Section and receipt of appropriate registration or
transfer instructions from such Holder, the Agent shall (i) if the Purchase
Contract Settlement Date has occurred, deliver the shares of Common Stock
issuable in respect of the Purchase Contracts forming a part of the Securities
evidenced by such Certificate (together with any cash or other property to which
the Holder is entitled), or (ii) if a Termination Event shall have occurred
prior to the Purchase Contract Settlement Date, transfer the Senior Notes, the
appropriate Applicable Ownership Interest of the Treasury Portfolio or the
Treasury Securities, as the case may be, evidenced thereby, in each case subject
to the applicable conditions and in accordance with the applicable provisions of
Article Five hereof.

         Upon the issuance of any new Certificate under this Section, the
Company and the Agent may require the payment by the Holder of a sum sufficient
to cover any tax or other governmental charge that may be imposed in relation
thereto and any other expenses (including the reasonable fees and expenses of
the Agent) connected therewith.

         Every new Certificate issued pursuant to this Section in lieu of any
destroyed, lost or stolen Certificate shall constitute an original additional
contractual obligation of the Company and of the Holder in respect of the
Security evidenced thereby, whether or not the destroyed, lost or stolen
Certificate (and the Securities evidenced thereby) shall be at any time
enforceable by anyone, and shall be entitled to all the benefits and be subject
to all the obligations of this Agreement equally and proportionately with any
and all other Certificates delivered hereunder.

                                      31
<PAGE>

         The provisions of this Section 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.

Section 3.11.  Persons Deemed Owners.

         Prior to due presentment of a Certificate for registration of transfer,
the Company and the Agent, and any agent of the Company or the Agent, may treat
the Person in whose name such Certificate is registered as the owner of the
Corporate Units or Treasury Units evidenced thereby, for the purpose of
receiving interest on the Senior Notes or on the maturing quarterly interest
strips of the Treasury Portfolio, as applicable, receiving payments of Contract
Adjustment Payments, if any, performance of the Purchase Contracts and for all
other purposes whatsoever, whether or not any interest on the Senior Notes or
the Contract Adjustment Payments, if any, payable in respect of the Purchase
Contracts constituting a part of the Corporate Units or Treasury Units evidenced
thereby shall be overdue and notwithstanding any notice to the contrary, and
neither the Company nor the Agent, nor any agent of the Company or the Agent,
shall be affected by notice to the contrary.

         Notwithstanding the foregoing, with respect to any Global Certificate,
nothing herein shall prevent the Company, the Agent or any agent of the Company
or the Agent, from giving effect to any written certification, proxy or other
authorization furnished by any Clearing Agency (or its nominee), as a Holder,
with respect to such Global Certificate or impair, as between such Clearing
Agency and owners of beneficial interests in such Global Certificate, the
operation of customary practices governing the exercise of rights of such
Clearing Agency (or its nominee) as Holder of such Global Certificate.

Section 3.12.  Cancellation.

         All Certificates surrendered for delivery of shares of Common Stock on
or after the Purchase Contract Settlement Date, upon the transfer of Senior
Notes, the appropriate Applicable Ownership Interest of the Treasury Portfolio
or Treasury Securities, as the case may be, after the occurrence of a
Termination Event or pursuant to an Early Settlement, or upon the registration
of a transfer or exchange of a Security, or a Collateral Substitution or the
re-establishment of a Corporate Unit shall, if surrendered to any Person other
than the Agent, be delivered to the Agent and, if not already cancelled, shall
be promptly cancelled by it. The Company may at any time deliver to the Agent
for cancellation any Certificates previously

                                      32
<PAGE>

authenticated, executed and delivered hereunder which the Company may have
acquired in any manner whatsoever, and all Certificates so delivered shall, upon
Issuer Order, be promptly cancelled by the Agent. No Certificates shall be
authenticated, executed on behalf of the Holder and delivered in lieu of or in
exchange for any Certificates cancelled as provided in this Section, except as
expressly permitted by this Agreement. All cancelled Certificates held by the
Agent shall upon written request be returned to the Company.

         If the Company or any Affiliate of the Company shall acquire any
Certificate, such acquisition shall not operate as a cancellation of such
Certificate unless and until such Certificate is delivered to the Agent
cancelled or for cancellation.

Section 3.13.  Establishment of Treasury Units.

         A Holder may separate the Senior Notes or the appropriate Applicable
Ownership Interest of the Treasury Portfolio, as applicable, from the related
Purchase Contracts in respect of Corporate Units by substituting for such Senior
Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be, Treasury Securities in an aggregate principal
amount of such Senior Notes or the appropriate Applicable Ownership Interest (as
specified in clause (A) of the definition of such term) of the Treasury
Portfolio, as applicable (a "Collateral Substitution"), at any time from and
after the date of this Agreement and on or prior to the fifth Business Day
immediately preceding the Purchase Contract Settlement Date in the case of the
Senior Notes and on or prior to the second Business Day immediately preceding
the Purchase Contract Settlement Date in the case of the appropriate Applicable
Ownership Interest of the Treasury Portfolio, in each case by (a) depositing
with the Collateral Agent Treasury Securities having an aggregate principal
amount at maturity equal to the aggregate principal amount of the Senior Notes
comprising part of such Corporate Units or the appropriate Applicable Ownership
Interest (as specified in clause (A) of the definition of such term) of the
Treasury Portfolio comprising part of such Corporate Units, as the case may be,
and (b) transferring the related Corporate Units to the Agent accompanied by a
notice to the Agent, substantially in the form of Exhibit D hereto, stating that
the Holder has transferred the relevant amount of Treasury Securities to the
Collateral Agent and requesting that the Agent instruct the Collateral Agent to
release the Senior Notes or the appropriate Applicable Ownership Interest of the
Treasury Portfolio, as the case may be, underlying such Corporate Units,
whereupon the Agent shall promptly give such instruction to the Collateral
Agent, substantially in the form of Exhibit C hereto. Upon receipt of the
Treasury Securities described in clause (a) above and the instruction described
in clause (b) above, in accordance with the terms of the Pledge

                                      33
<PAGE>

Agreement, the Collateral Agent will release to the Agent, on behalf of the
Holder, Senior Notes or the appropriate Applicable Ownership Interest of the
Treasury Portfolio, as the case may be, having the appropriate aggregate
principal amount in the case of such Senior Notes or the appropriate Applicable
Ownership Interest of the Treasury Portfolio, as the case may be, from the
Pledge, free and clear of the Company's security interest therein, and upon
receipt thereof the Agent shall promptly:

                  (i)   cancel the related Corporate Units;

                  (ii)  transfer the Senior Notes or the appropriate Applicable
         Ownership Interest of the Treasury Portfolio, as the case may be, to
         the Holder; and

                  (iii) authenticate, execute on behalf of such Holder and
         deliver a Treasury Units Certificate executed by the Company in
         accordance with Section 3.3 evidencing the same number of Treasury
         Units as were evidenced by the cancelled Corporate Units.

         Holders who elect to separate the Senior Notes or the appropriate
Applicable Ownership Interest of the Treasury Portfolio, as the case may be,
from the related Purchase Contract and to substitute Treasury Securities for
such Senior Notes or the appropriate Applicable Ownership Interest of the
Treasury Portfolio, as the case may be, shall be responsible for any fees or
expenses payable to the Collateral Agent for its services as Collateral Agent in
respect of the substitution, and the Company shall not be responsible for any
such fees or expenses.

         Holders may make Collateral Substitutions (i) only in integral
multiples of 40 Corporate Units if Senior Notes are being substituted for by
Treasury Securities, or (ii) only in integral multiples of ___ Corporate Units
if the appropriate Applicable Ownership Interests of the Treasury Portfolio are
being substituted for by Treasury Securities.

         In the event a Holder making a Collateral Substitution pursuant to this
Section 3.13 fails to effect a book-entry transfer of the Corporate Units or
fails to deliver a Corporate Units Certificate(s) to the Agent after depositing
Treasury Securities with the Collateral Agent, the Senior Notes or the
appropriate Applicable Ownership Interest of the Treasury Portfolio, as the case
may be, constituting a part of such Corporate Units, and any interest on such
Senior Note or the Applicable Ownership Interest of the Treasury Portfolio, as
the case may be, shall be held in the

                                      34
<PAGE>

name of the Agent or its nominee in trust for the benefit of such Holder, until
such Corporate Units are so transferred or the Corporate Units Certificate is so
delivered, as the case may be, or, with respect to a Corporate Units
Certificate, such Holder provides evidence satisfactory to the Company and the
Agent that such Corporate Units Certificate has been destroyed, lost or stolen,
together with any indemnity that may be required by the Agent and the Company.

         Except as described in this Section 3.13, for so long as the Purchase
Contract underlying a Corporate Unit remains in effect, such Corporate Unit
shall not be separable into its constituent parts, and the rights and
obligations of the Holder in respect of the Senior Notes or the appropriate
Applicable Ownership Interest of the Treasury Portfolio, as the case may be, and
Purchase Contract comprising such Corporate Unit may be acquired, and may be
transferred and exchanged, only as a Corporate Unit.

Section 3.14.  Reestablishment of Corporate Units.

         A Holder of a Treasury Unit may recreate Corporate Units at any time
(i) on or prior to the fifth Business Day immediately preceding the Purchase
Contract Settlement Date, if a Tax Event Redemption or a Successful Initial
Remarketing has not occurred, and (ii) on or prior to the second Business Day
immediately preceding the Purchase Contract Settlement Date, if a Tax Event
Redemption or a Successful Initial Remarketing has occurred and an Applicable
Ownership Interest in the Treasury Portfolio has become a component of the
Corporate Units, in each case by (a) depositing with the Collateral Agent Senior
Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be, having an aggregate principal amount in the case
of the Senior Notes, or an appropriate Applicable Ownership Interest (as defined
in clause (A) of the definition of such term) of the Treasury Portfolio, as the
case may be, equal to the aggregate principal amount at maturity of the Treasury
Securities comprising part of the Treasury Units and (b) transferring the
related Treasury Units to the Agent accompanied by a notice to the Agent,
substantially in the form of Exhibit D hereto, stating that the Holder has
transferred the relevant amount of Senior Notes or the appropriate Applicable
Ownership Interest of the Treasury Portfolio, as the case may be, to the
Collateral Agent and requesting that the Agent instruct the Collateral Agent to
release the Treasury Securities underlying such Treasury Units, whereupon the
Agent shall promptly give such instruction to the Collateral Agent,
substantially in the form of Exhibit C hereto. Upon receipt of the Senior Notes
or the appropriate Applicable Ownership Interest of the Treasury Portfolio, as
the case may be, described in clause (a) above and the instruction described in
clause (b) above, in accordance with the

                                      35
<PAGE>

terms of the Pledge Agreement, the Collateral Agent will release to the Agent,
on behalf of the Holder, the Treasury Securities having a corresponding
aggregate principal amount from the Pledge, free and clear of the Company's
security interest therein, and upon receipt thereof the Agent shall promptly:

          (i)    cancel the related Treasury Units;

          (ii)   transfer the Treasury Securities to the Holder; and

          (iii)  authenticate, execute on behalf of such Holder and deliver a
     Corporate Units Certificate executed by the Company in accordance with
     Section 3.3 evidencing the same number of Corporate Units as were evidenced
     by the cancelled Treasury Units.

     Holders of Treasury Units may reestablish Corporate Units in integral
multiples of 40 Treasury Units for 40 Corporate Units if a Tax Event Redemption
or a Successful Initial Remarketing has not occurred, and in integral multiples
of ____ Treasury Units for ___ Corporate Units if a Tax Event Redemption or a
Successful Initial Remarketing has occurred.

     In the event a Holder re-establishing Corporate Units pursuant to this
Section 3.14 fails to effect a book-entry transfer of the Treasury Units or
fails to deliver a Treasury Units Certificate(s) to the Agent after depositing
Senior Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be, with the Collateral Agent, the Treasury
Securities constituting a part of such Treasury Units shall be held in the name
of the Agent or its nominee in trust for the benefit of such Holder, until such
Treasury Units are so transferred or the Treasury Units Certificate is so
delivered, as the case may be, or, with respect to a Treasury Units Certificate,
such Holder provides evidence satisfactory to the Company and the Agent that
such Treasury Units Certificate has been destroyed, lost or stolen, together
with any indemnity that may be required by the Agent and the Company.

     Except as provided in this Section 3.14, for so long as the Purchase
Contract underlying a Treasury Unit remains in effect, such Treasury Unit shall
not be separable into its constituent parts and the rights and obligations of
the Holder of such Treasury Unit in respect of the Treasury Security and
Purchase Contract comprising such Treasury Unit may be acquired, and may be
transferred and exchanged, only as a Treasury Unit.

                                      36
<PAGE>

Section 3.15. Transfer of Collateral upon Occurrence of Termination Event.

     Upon the occurrence of a Termination Event and the transfer to the Agent of
the Senior Notes, the appropriate Applicable Ownership Interest of the Treasury
Portfolio or the Treasury Securities, as the case may be, underlying the
Corporate Units and the Treasury Units pursuant to the terms of the Pledge
Agreement, the Agent shall request transfer instructions with respect to such
Senior Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio or Treasury Securities, as the case may be, from each Holder by
written request mailed to such Holder at its address as it appears in the
Corporate Units Register or the Treasury Units Register, as the case may be.
Upon book-entry transfer of the Corporate Units or Treasury Units or delivery of
a Corporate Units Certificate or Treasury Units Certificate to the Agent with
such transfer instructions, the Agent shall transfer the Senior Notes, the
Applicable Ownership Interest of the Treasury Portfolio or Treasury Securities,
as the case may be, underlying such Corporate Units or Treasury Units, as the
case may be, to such Holder by book-entry transfer, or other appropriate
procedures, in accordance with such instructions; provided, however, that, to
the extent that a Holder of Corporate Units or Treasury Units would otherwise be
entitled to receive less than $1,000 principal amount at maturity of the
Treasury Portfolio or the Treasury Securities, the Agent shall dispose of such
securities for cash using a customary method (and shall have no liability
relating to the amount of cash so received, unless any deficiency in the amount
of such cash arose from the negligence, wilful misconduct or bad faith of the
Agent), and transfer the appropriate amount of such cash to such Holder in
accordance with such Holder's instructions. In the event a Holder of Corporate
Units or Treasury Units fails to effect such transfer or delivery, the Senior
Notes, the appropriate Applicable Ownership Interest of the Treasury Portfolio
or Treasury Securities, as the case may be, underlying such Corporate Units or
Treasury Units, as the case may be, and any distributions thereon, shall be held
in the name of the Agent or its nominee in trust for the benefit of such Holder,
until such Corporate Units or Treasury Units are transferred or the Corporate
Units Certificate or Treasury Units Certificate is surrendered or such Holder
provides satisfactory evidence that such Corporate Units Certificate or Treasury
Units Certificate has been destroyed, lost or stolen, together with any
indemnity that may be required by the Agent and the Company.

Section 3.16. No Consent to Assumption.

     Each Holder of a Security, by acceptance thereof, shall be deemed expressly
to have withheld any consent to the assumption under Section 365 of the
Bankruptcy Code or otherwise, of the related Purchase Contract by the Company or
its trustee,

                                      37
<PAGE>

receiver, liquidator or a person or entity performing similar functions, in the
event that the Company becomes the debtor under the Bankruptcy Code or subject
to other similar state or federal law providing for reorganization or
liquidation.

Section 3.17. CUSIP Numbers

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

                                  ARTICLE IV

                               The Senior Notes

Section 4.1. Payment of Distribution; Rights to Distributions Preserved;
             Distribution Rate Reset; Notice.

     A distribution on any Senior Note or on the appropriate Applicable Owner
ship Interest in the Treasury Portfolio, as the case may be, which is paid on
any Payment Date shall, subject to receipt thereof by the Agent from the
Collateral Agent as provided by the terms of the Pledge Agreement, be paid to
the Person in whose name the Corporate Units Certificate (or one or more
Predecessor Corporate Units Certificates) of which such Senior Note or the
appropriate Applicable Ownership Interest of the Treasury Portfolio, as the case
may be, is a part is registered at the close of business on the Record Date for
such Payment Date.

     Each Corporate Units Certificate evidencing Senior Notes (or the
appropriate Applicable Ownership Interest in the Treasury Portfolio) delivered
under this Agreement upon registration of transfer of or in exchange for or in
lieu of any other Corporate Units Certificate shall carry the rights to
distributions accrued and unpaid, and distributions to accrue, which were or
will be carried by the Senior Notes (or such Applicable Ownership Interest in
the Treasury Portfolio, as the case may be) underlying such other Corporate
Units Certificate.

                                      38
<PAGE>

     In the case of any Corporate Units with respect to which Cash Settlement of
the underlying Purchase Contract is effected on the Business Day immediately
preceding the Purchase Contract Settlement Date pursuant to prior notice, or
with respect to which Early Settlement of the underlying Purchase Contract is
effected on an Early Settlement Date, or with respect to which a Collateral
Substitution is effected, in each case on a date that is after any Record Date
and on or prior to the next succeeding Payment Date, interest on the Senior
Notes or distributions on the appropriate Applicable Ownership Interest of the
Treasury Portfolio, as the case may be, underlying such Corporate Units
otherwise payable on such Payment Date shall be payable on such Payment Date
notwithstanding such Cash Settlement or Early Settlement or Collateral
Substitution, and such distributions shall, subject to receipt thereof by the
Agent, be payable to the Person in whose name the Corporate Units Certificate
(or one or more Predecessor Certificates) was registered at the close of
business on the Record Date. Except as otherwise expressly provided in the
immediately preceding sentence, in the case of any Corporate Units with respect
to which Cash Settlement or Early Settlement of the underlying Purchase Contract
is effected on the Business Day immediately preceding the Purchase Contract
Settlement Date or on an Early Settlement Date, as the case may be, or with
respect to which a Collateral Substitution has been effected, distributions on
the related Senior Notes or on the appropriate Applicable Ownership Interest of
the Treasury Portfolio, as the case may be, that would otherwise be payable
after the Purchase Contract Settlement Date or Early Settlement Date or
Collateral Substitution shall not be payable hereunder to the Holder of such
Corporate Units; provided, however, that to the extent that such Holder
                 --------  -------
continues to hold the separated Senior Notes that formerly comprised a part of
such Holder's Corporate Units, such Holder shall be entitled to receive the
distributions on such separated Senior Notes.

     The applicable Coupon Rate on the Senior Notes on and after _______, 2004
will be reset on the Initial Remarketing Date to the applicable Reset Rate (such
Reset Rate to be in effect on and after _______________, 2004), except in the
event of a Failed Initial Remarketing. In the event of a Failed Initial
Remarketing, the applicable Coupon Rate on the Senior Notes outstanding on and
after the Purchase Contract Settlement Date will be reset on the Secondary
Remarketing Date (unless there has been a Failed Secondary Remarketing) to the
applicable Reset Rate (such Reset Rate to be in effect on and after the Purchase
Contract Settlement Date). On the applicable Reset Announcement Date the Reset
Spread and the Two-Year Benchmark Treasury or Two and One-Quarter Year Benchmark
Treasury, as applicable, to be used to determine the Reset Rate will be
announced by Duke Capital or the Company, such announcement to be made by a
customary method, as determined by Duke Capital or the Company, as applicable.
On the Business Day

                                      39
<PAGE>

immediately following the Reset Announcement Date, the holders of Senior Notes
will be notified of such Reset Spread and Two-Year Benchmark Treasury or Two and
One-Quarter Benchmark Treasury, as applicable, by Duke Capital or the Company.
Such notice shall be sufficiently given to holders of Senior Notes if published
in an Authorized Newspaper in The City of New York.

     Not later than 7 calendar days nor more than 15 calendar days prior to the
Reset Announcement Date, the Company or Duke Capital will notify DTC or its
nominee (or any successor Clearing Agency or its nominee) by first-class mail,
postage prepaid, to notify the Beneficial Owners or Clearing Agency Participants
holding Corporate Units or Treasury Units of such Reset Announcement Date and,
in the case of a Secondary Remarketing, the procedures to be followed by Holders
of Corporate Units who intend to settle their obligation under the Purchase
Contract with separate cash on the Purchase Contract Settlement Date.

Section 4.2. Notice and Voting.

     Under the terms of the Pledge Agreement, the Agent will be entitled to
exercise the voting and any other consensual rights pertaining to the Senior
Notes pledged with the Collateral Agent but only to the extent instructed by the
Holders as described below. Upon receipt of notice of any meeting at which
holders of Senior Notes are entitled to vote or upon any solicitation of
consents, waivers or proxies of holders of Senior Notes, the Agent shall, as
soon as practicable thereafter, mail to the Holders of Corporate Units a notice
(a) containing such information as is contained in the notice or solicitation,
(b) stating that each Holder on the record date set by the Agent therefor
(which, to the extent possible, shall be the same date as the record date for
determining the holders of Senior Notes entitled to vote) shall be entitled to
instruct the Agent as to the exercise of the voting rights pertaining to the
Senior Notes underlying their Corporate Units and (c) stating the manner in
which such instructions may be given. Upon the written request of the Holders of
Corporate Units on such record date, the Agent shall endeavor insofar as
practicable to vote or cause to be voted, in accordance with the instructions
set forth in such requests, the maximum number of Senior Notes as to which any
particular voting instructions are received. In the absence of specific
instructions from the Holder of a Corporate Unit, the Agent shall abstain from
voting the Senior Notes underlying such Corporate Units. The Company hereby
agrees, if applicable, to solicit Holders of Corporate Units to timely instruct
the Agent in order to enable the Agent to vote such Senior Notes.

                                      40
<PAGE>

Section 4.3. Tax Event Redemption.

     Upon the occurrence of a Tax Event Redemption prior to ____________, 2004,
or in the event of a Failed Initial Remarketing, prior to the Purchase Contract
Settlement Date, pursuant to the terms of the Pledge Agreement, the Collateral
Agent will apply, out of the aggregate Redemption Price for the Senior Notes
that are components of Corporate Units, an amount equal to the aggregate
Redemption Amount for the Senior Notes that are components of Corporate Units to
purchase on behalf of the Holders of Corporate Units the Treasury Portfolio and
promptly remit the remaining portion of such Redemption Price to the Agent for
payment to the Holders of such Corporate Units, such payment to be made on the
following Payment Date in the same manner as, and to the same Persons as are
entitled to receive, Contract Adjustment Payments, each such Person being
entitled to receive a pro rata portion of such remaining portion, based on the
number of Corporate Units held by such Person. The Treasury Portfolio will be
substituted for the pledged Senior Notes, and will be held by the Collateral
Agent in accordance with the terms of the Pledge Agreement to secure the
obligation of each Holder of a Corporate Unit to purchase the Common Stock of
the Company under the Purchase Contract constituting a part of such Corporate
Units. Following the occurrence of a Tax Event Redemption prior to __________,
2004, or, in the event of a Failed Initial Remarketing, and prior to the
Purchase Contract Settlement Date, the Holders of Corporate Units and the
Collateral Agent shall have such security interests, rights and obligations with
respect to the Treasury Portfolio as the Holder of Corporate Units and the
Collateral Agent had in respect of the Senior Notes, as the case may be, subject
to the Pledge thereof as provided in Articles 2, 3, 4, 5 and 6 of the Pledge
Agreement, and any reference herein or in the Certificates to the Senior Notes
shall be deemed to be a reference to such Treasury Portfolio and any reference
herein or in the Certificates to interest on the Senior Notes shall be deemed to
be a reference to corresponding distributions on the Treasury Portfolio. The
Company may cause to be made in any Corporate Units Certificates thereafter to
be issued such change in phraseology and form (but not in substance) as may be
appropriate to reflect the substitution of the Treasury Portfolio for Senior
Notes as collateral.

Section 4.4. CUSIP Numbers.

     Duke Capital in issuing the Senior Notes may use "CUSIP" numbers (if then
generally in use), and, if so, the Indenture Trustee shall use "CUSIP" numbers
in notices of redemption as a convenience to Holders; provided that any such
notice may state that no representation is made as to the correctness of such
numbers either as printed on the Senior Notes or as contained in any notice of a
redemption and that

                                      41
<PAGE>

reliance may be placed only on the other identification numbers printed on the
Senior Notes, and any such redemption shall not be affected by any defect in or
omission of such numbers. Duke Capital will promptly notify the Indenture
Trustee and the Agent of any changes in the "CUSIP" numbers.

                                   ARTICLE V

                            The Purchase Contracts

Section 5.1. Purchase of Shares of Common Stock.

     Each Purchase Contract shall, unless an Early Settlement has occurred in
accordance with Section 5.9 hereof, obligate the Holder of the related Security
to purchase, and the Company to sell, on the Purchase Contract Settlement Date
at a price equal to the Stated Amount (the "Purchase Price"), a number of newly
issued shares of Common Stock equal to the Settlement Rate unless, on or prior
to the Purchase Contract Settlement Date, there shall have occurred a
Termination Event with respect to the Security of which such Purchase Contract
is a part. The "Settlement Rate" is equal to (a) if the Applicable Market Value
(as defined below) is equal to or greater than $_____ (the "Threshold
Appreciation Price"), _____ shares of Common Stock per Purchase Contract, (b) if
the Applicable Market Value is less than the Threshold Appreciation Price but is
greater than $______, the number of shares of Common Stock per Purchase Contract
equal to the Stated Amount divided by the Applicable Market Value and (c) if the
Applicable Market Value is less than or equal to $_______, _______ shares of
Common Stock per Purchase Contract, in each case subject to adjustment as
provided in Section 5.6 (and in each case rounded upward or downward to the
nearest 1/10,000th of a share). As provided in Section 5.10, no fractional
shares of Common Stock will be issued upon settlement of Purchase Contracts.

     The "Applicable Market Value" means the average of the Closing Price per
share of Common Stock on each of the 20 consecutive Trading Days ending on the
third Trading Day immediately preceding the Purchase Contract Settlement Date
or, for purposes of determining cash payable in lieu of fractional shares in
connection with an Early Settlement, the third Trading Day immediately preceding
the relevant Early Settlement Date. The "Closing Price" of the Common Stock on
any date of determination means the closing sale price (or, if no closing price
is reported, the last reported sale price) of the Common Stock on The New York
Stock Exchange, Inc. (the "NYSE") on such date or, if the Common Stock is not
listed for trading on the

                                      42
<PAGE>

NYSE on any such date, as reported in the composite transactions for the
principal United States securities exchange on which the Common Stock is so
listed, or if the Common Stock is not so listed on a United States national or
regional securities exchange, the last closing price on and as reported by the
Nasdaq National Market or, if the Common Stock is not so reported, the last
quoted bid price for the Common Stock in the over-the-counter market as reported
by the National Quotation Bureau or similar organization, or, if such bid price
is not available, the market value of the Common Stock on such date as
determined by a nationally recognized independent investment banking firm
retained for this purpose by the Company. A "Trading Day" means a day on which
the Common Stock (A) is not suspended from trading on any national or regional
securities exchange or association or over-the-counter market at the close of
business and (B) has traded at least once on the national or regional securities
exchange or association or over-the-counter market that is the primary market
for the trading of the Common Stock.

     Promptly after the calculation of the Settlement Rate and the Applicable
Value, the Company shall give the Agent notice thereof. All calculations and
determinations of the Settlement Rate and the Applicable Value shall be made by
the Company or its agent and the Agent shall have no responsibility with respect
thereto.

     Each Holder of a Corporate Unit or a Treasury Unit, by its acceptance
thereof, irrevocably authorizes the Agent to enter into and perform the related
Purchase Contract on its behalf as its attorney-in-fact (including the execution
of Certificates on behalf of such Holder), agrees to be bound by the terms and
provisions thereof, covenants and agrees to perform its obligations under such
Purchase Contracts, and consents to the provisions hereof, irrevocably
authorizes the Agent as its attorney-in-fact to enter into and perform the
Pledge Agreement on its behalf as its attorney-in-fact, and consents to and
agrees to be bound by the Pledge of the Senior Notes, the Treasury Portfolio or
the Treasury Securities pursuant to the Pledge Agreement; provided that upon a
                                                          --------
Termination Event, the rights of the Holder of such Security under the Purchase
Contract may be enforced without regard to any other rights or obligations. Each
Holder of a Corporate Unit or Treasury Unit, by its acceptance thereof, further
covenants and agrees, that, to the extent and in the manner provided in Section
5.4 and the Pledge Agreement, but subject to the terms thereof, Proceeds of the
Treasury Securities, the Senior Notes or the Treasury Portfolio, as applicable,
on the Purchase Contract Settlement Date shall be paid by the Collateral Agent
to the Company in satisfaction of such Holder's obligations under such Purchase
Contract and such Holder shall acquire no right, title or interest in such
Proceeds.

                                      43
<PAGE>

     Upon registration of transfer of a Certificate, the transferee shall be
bound (without the necessity of any other action on the part of such
transferee), under the terms of this Agreement, the Purchase Contracts
underlying such Certificate and the Pledge Agreement and the transferor shall be
released from the obligations under this Agreement, the Purchase Contracts
underlying the Certificates so transferred and the Pledge Agreement. The Company
covenants and agrees, and each Holder of a Certificate, by its acceptance
thereof, likewise covenants and agrees, to be bound by the provisions of this
paragraph.

Section 5.2. Contract Adjustment Payments.

     (a)  Subject to Section 5.3 herein, the Company shall pay, on each Payment
Date, the Contract Adjustment Payments, if any, payable in respect of each
Purchase Contract to the Person in whose name a Certificate (or one or more
Predecessor Certificates) is registered at the close of business on the Record
Date next preceding such Payment Date in such coin or currency of the United
States as at the time of payment shall be legal tender for payments. The
Contract Adjustment Payments, if any, will be payable at the New York Office
maintained for that purpose or, at the option of the Company, by check mailed to
the address of the Person entitled thereto at such Person's address as it
appears on the Corporate Units Register or the Treasury Units Register or by
wire transfer to the account designated by a prior written notice by such
Person.

     Upon the occurrence of a Termination Event, the Company's obligation to pay
Contract Adjustment Payments (including any accrued Deferred Contract Adjustment
Payments), if any, shall cease.

     Each Certificate delivered under this Agreement upon registration of
transfer of or in exchange for or in lieu of (including as a result of a
Collateral Substitution or the re-establishment of a Corporate Unit) any other
Certificate shall carry the rights to Contract Adjustment Payments, if any,
accrued and unpaid, and to accrue Contract Adjustment Payments, if any, which
were carried by the Purchase Contracts underlying such other Certificates.

     Subject to Section 5.9, in the case of any Security with respect to which
Early Settlement of the underlying Purchase Contract is effected on an Early
Settlement Date, or in respect of which Cash Settlement of the underlying
Purchase Contract is effected on the Business Day immediately preceding the
Purchase Contract Settlement Date, or with respect to which a Collateral
Substitution or an establishment or re-establishment of Corporate Units pursuant
to Section 3.14 is

                                      44
<PAGE>

effected, in each case on a date that is after any Record Date and on or prior
to the next succeeding Payment Date, Contract Adjustment Payments on the
Purchase Contracts underlying such Securities otherwise payable on such Payment
Date shall be payable on such Payment Date notwithstanding such Cash Settlement,
Early Settlement, Collateral Substitution or establishment or re-establishment
of Corporate Units, and such Contract Adjustment Payments shall be paid to the
Person in whose name the Certificate evidencing such Security (or one or more
Predecessor Certificates) is registered at the close of business on such Record
Date. Except as otherwise expressly provided in the immediately preceding
sentence, in the case of any Security with respect to which Cash Settlement or
Early Settlement of the underlying Purchase Contract is effected on the Business
Day immediately preceding the Purchase Contract Settlement Date or on an Early
Settlement Date, as the case may be, or with respect to which a Collateral
Substitution or an establishment or re- establishment of Corporate Units has
been effected, Contract Adjustment Payments, if any, that would otherwise be
payable after the Purchase Contract Settlement Date or Early Settlement Date,
Collateral Substitution or such establishment or reestablishment with respect to
such Purchase Contract shall not be payable.

     (b)  The Company's obligations with respect to Contract Adjustment
Payments, if any, will be subordinated and junior in right of payment to the
Company's obligations under any Senior Indebtedness.

     (c)  In the event (a) of any payment by, or distribution of assets of, the
Company of any kind or character, whether in cash, property or securities, to
creditors upon any dissolution, winding-up, liquidation or reorganization of the
Company, whether voluntary or involuntary or in bankruptcy, insolvency,
receivership or other proceedings, or (b) subject to the provisions of
Subsection 5.2(e) below, that (i) a default shall have occurred and be
continuing with respect to the payment of principal, interest or any other
monetary amounts due and payable on any Senior Indebtedness and such default
shall have continued beyond the period of grace, if any, specified in the
instrument evidencing such Senior Indebtedness (and the Agent shall have
received written notice thereof from the Company or one or more holders of
Senior Indebtedness or their representative or representatives or the trustee or
trustees under any indenture pursuant to which any such Senior Indebtedness may
have been issued), or (ii) the maturity of any Senior Indebtedness shall have
been accelerated because of a default in respect of such Senior Indebtedness
(and the Agent shall have received written notice thereof from the Company or
one or more holders of Senior Indebtedness or their representative or
representatives or the trustee or trustees under any indenture pursuant to which
any such Senior Indebtedness may have been issued), then:

                                      45
<PAGE>

          (i)    the holders of all Senior Indebtedness shall first be entitled
     to receive, in the case of (a) above, payment of all amounts due or to
     become due upon all Senior Indebtedness and, in the case of subclauses (i)
     and (ii) of clause (b) above, payment of all amounts due thereon, or
     provision shall be made for such payment in money or money's worth, before
     the Holders of any of the Securities are entitled to receive any Contract
     Adjustment Payments on the Purchase Contracts underlying the Securities;

          (ii)   any payment by, or distribution of assets of, the Company of
     any kind or character, whether in cash, property or securities, to which
     the Holders of any of the Securities would be entitled except for the
     provisions of Subsections 5.2(b) through (n), including any such payment or
     distribution which may be payable or deliverable by reason of the payment
     of any other indebtedness of the Company being subordinated to the payment
     of such Contract Adjustment Payments on the Purchase Contracts underlying
     the Securities, shall be paid or delivered by the Person making such
     payment or distribution, whether a trustee in bankruptcy, a receiver or
     liquidating trustee or otherwise, directly to the holders of such Senior
     Indebtedness or their representative or representatives or to the trustee
     or trustees under any indenture under which any instruments evidencing any
     of such Senior Indebtedness may have been issued, ratably according to the
     aggregate amounts remaining unpaid on account of such Senior Indebtedness
     held or represented by each, to the extent necessary to make payment in
     full of all Senior Indebtedness remaining unpaid after giving effect to any
     concurrent payment or distribution (or provision therefor) to the holders
     of such Senior Indebtedness, before any payment or distribution is made of
     such Contract Adjustment Payments to the Holders of such Securities; and

          (iii)  in the event that, notwithstanding the foregoing, any payment
     by, or distribution of assets of, the Company of any kind or character,
     whether in cash, property or securities, including any such payment or
     distribution which may be payable or deliverable by reason of the payment
     of any other indebtedness of the Company being subordinated to the payment
     of Contract Adjustment Payments on the Purchase Contracts underlying the
     Securities, shall be received by the Agent or the Holders of any of the
     Securities when such payment or distribution is prohibited pursuant to
     Subsections 5.2(b) through (n), such payment or distribution shall be paid
     over to the holders of such Senior Indebtedness or their representative or
     representatives or to the trustee or trustees under any indenture pursuant
     to which any instruments evidencing any such Senior Indebtedness may have
     been issued, ratably as

                                      46
<PAGE>

     aforesaid, for application to the payment of all Senior Indebtedness
     remaining unpaid until all such Senior Indebtedness shall have been paid in
     full, after giving effect to any concurrent payment or distribution (or
     provision therefor) to the holders of such Senior Indebtedness.

     (d)  For purposes of Subsections 5.2(b) through (n), the words "cash,
property or securities" shall not be deemed to include shares of stock of the
Company as reorganized or readjusted, or securities of the Company or any other
Person provided for by a plan of reorganization or readjustment, the payment of
which is subordinated at least to the extent provided in Subsections 5.2(b)
through (n) with respect to such Contract Adjustment Payments on the Securities
to the payment of all Senior Indebtedness which may at the time be outstanding;
provided that (i) the indebtedness or guarantee of indebtedness, as the case may
be, that constitutes Senior Indebtedness is assumed by the Person, if any,
resulting from any such reorganization or readjustment, and (ii) the rights of
the holders of the Senior Indebtedness are not, without the consent of each such
holder adversely affected thereby, altered by such reorganization or
readjustment;

     (e)  Any failure by the Company to make any payment on or perform any other
obligation under Senior Indebtedness, other than any indebtedness incurred by
the Company or assumed or guaranteed, directly or indirectly, by the Company for
money borrowed (or any deferral, renewal, extension or refunding thereof) or any
indebtedness or obligation as to which the provisions of Subsections 5.2(b)
through (d) shall have been waived by the Company in the instrument or
instruments by which the Company incurred, assumed, guaranteed or otherwise
created such indebtedness or obligation, shall not be deemed a default or event
of default if (i) the Company shall be disputing its obligation to make such
payment or perform such obligation and (ii) either (A) no final judgment
relating to such dispute shall have been issued against the Company which is in
full force and effect and is not subject to further review, including a judgment
that has become final by reason of the expiration of the time within which a
party may seek further appeal or review, and (B) in the event of a judgment that
is subject to further review or appeal has been issued, the Company shall in
good faith be prosecuting an appeal or other proceeding for review and a stay of
execution shall have been obtained pending such appeal or review.

     (f)  Subject to the payment in full of all Senior Indebtedness, the Holders
of the Securities shall be subrogated (equally and ratably with the holders of
all obligations of the Company which by their express terms are subordinated to
Senior Indebtedness of the Company to the same extent as payment of the Contract

                                      47
<PAGE>

Adjustment Payments in respect of the Purchase Contracts underlying the
Securities is subordinated and which are entitled to like rights of subrogation)
to the rights of the holders of Senior Indebtedness to receive payments or
distributions of cash, property or securities of the Company applicable to the
Senior Indebtedness until all such Contract Adjustment Payments owing on the
Securities shall be paid in full, and as between the Company, its creditors
other than holders of such Senior Indebtedness and the Holders, no such payment
or distribution made to the holders of Senior Indebtedness by virtue of
Subsections 5.2(b) through (n) that otherwise would have been made to the
Holders shall be deemed to be a payment by the Company on account of such Senior
Indebtedness, it being understood that the provisions of Subsections 5.2(b)
through (n) are and are intended solely for the purpose of defining the relative
rights of the Holders, on the one hand, and the holders of Senior Indebtedness,
on the other hand.

     (g)  Nothing contained in Subsections 5.2(b) through (n) or elsewhere in
this Agreement or in the Securities is intended to or shall impair, as among the
Company, its creditors other than the holders of Senior Indebtedness and the
Holders, the obligation of the Company, which is absolute and unconditional, to
pay to the Holders such Contract Adjustment Payments on the Securities as and
when the same shall become due and payable in accordance with their terms, or is
intended to or shall affect the relative rights of the Holders and creditors of
the Company other than the holders of Senior Indebtedness, nor shall anything
herein or therein prevent the Agent or any Holder from exercising all remedies
otherwise permitted by applicable law upon default under this Agreement, subject
to the rights, if any, under these Subsections 5.2(b) through (n), of the
Holders of Senior Indebtedness in respect of cash, property or securities of the
Company received upon the exercise of any such remedy.

     (h)  Upon payment or distribution of assets of the Company referred to in
these Subsections 5.2(b) through (n), the Agent and the Holders shall be
entitled to rely upon any order or decree made by any court of competent
jurisdiction in which any such dissolution, winding up, liquidation or
reorganization proceeding affecting the affairs of the Company is pending or
upon a certificate of the trustee in bankruptcy, receiver, assignee for the
benefit of creditors, liquidating trustee or agent or other person making any
payment or distribution, delivered to the Agent or to the Holders, for the
purpose of ascertaining the persons entitled to participate in such payment or
distribution, the holders of the Senior Indebtedness and other indebtedness of
the Company, the amount thereof or payable thereon, the amount or amounts
paid or distributed thereon and all other facts pertinent thereto or to these
Subsections 5.2(b) through (n).

                                      48
<PAGE>

     (i)  The Agent shall be entitled to rely on the delivery to it of a written
notice by a Person representing himself to be a holder of Senior Indebtedness
(or a trustee or representative on behalf of such holder) to establish that such
notice has been given by a holder of Senior Indebtedness or a trustee or
representative on behalf of any such holder or holders. In the event that the
Agent determines in good faith that further evidence is required with respect to
the right of any Person as a holder of Senior Indebtedness to participate in any
payment or distribution pursuant to Subsections 5.2(b) through (n), the Agent
may request such Person to furnish evidence to the reasonable satisfaction of
the Agent as to the amount of Senior Indebtedness held by such Person, the
extent to which such Person is entitled to participate in such payment or
distribution and any other facts pertinent to the rights of such Person under
Subsections 5.2(b) through (n), and, if such evidence is not furnished, the
Agent may defer payment to such Person pending judicial determination as to the
right of such Person to receive such payment.

     (j)  Nothing contained in Subsections 5.2(b) through (n) shall affect the
obligations of the Company to make, or prevent the Company from making, payment
of the Contract Adjustment Payments, except as otherwise provided in these
Subsections 5.2(b) through (n).

     (k)  Each Holder of Securities, by his acceptance thereof, authorizes and
directs the Agent in his, her or its behalf to take such action as may be
necessary or appropriate to effectuate the subordination provided in Subsections
5.2(b) through (n) and appoints the Agent his, her or its attorney-in-fact, as
the case may be, for any and all such purposes.

     (l)  The Company shall give prompt written notice to the Agent of any fact
known to the Company which would prohibit the making of any payment of moneys to
or by the Agent in respect of the Securities pursuant to the provisions of this
Section. Notwithstanding the provisions of Subsections 5.2(b) through (e) or any
other provisions of this Agreement, the Agent shall not be charged with
knowledge of the existence of any facts that would prohibit the making of any
payment of moneys to or by the Agent, or the taking of any other action by the
Agent, unless and until the Agent shall have received written notice thereof
mailed or delivered to the Agent at its Institutional Trust Services department
from the Company, any Holder, any paying agent or the holder or representative
of any Senior Indebtedness; provided that if at least two Business Days prior to
the date upon which by the terms hereof any such moneys may become payable for
any purpose, the Agent shall not have received with respect to such moneys the
notice provided for in this Section, then, anything herein contained to the
contrary notwithstanding,

                                      49
<PAGE>

the Agent shall have full power and authority to receive such moneys and to
apply the same to the purpose for which they were received and shall not be
affected by any notice to the contrary that may be received by it within two
Business Days prior to or on or after such date.

     (m)  The Agent in its individual capacity shall be entitled to all the
rights set forth in this Section with respect to any Senior Indebtedness at the
time held by it, to the same extent as any other holder of Senior Indebtedness
and nothing in this Agreement shall deprive the Agent of any of its rights as
such holder.

     (n)  No right of any present or future holder of any Senior Indebtedness to
enforce the subordination herein shall at any time or in any way be prejudiced
or impaired by any act or failure to act on the part of the Company or by any
noncompliance by the Company with the terms, provisions and covenants of this
Agreement, regardless of any knowledge thereof which any such holder may have or
be otherwise charged with.

     (o)  Nothing in this Section 5.2 shall apply to claims of, or payments to,
the Agent under or pursuant to Section 7.7.

          With respect to the holders of Senior Indebtedness, (i) the duties and
obligations of the Agent shall be determined solely by the express provisions of
this Agreement; (ii) the Agent shall not be liable except for the performance of
such duties and obligations as are specifically set forth in this Agreement;
(iii) no implied covenants or obligations shall be read into this Agreement
against the Agent; and (iv) the Agent shall not be deemed to be a fiduciary as
to such holders.

Section 5.3.  Deferral of Payment Dates For Contract Adjustment Payments.

          The Company shall have the right, at any time prior to the Purchase
Contract Settlement Date, to defer the payment of any or all of the Contract
Adjustment Payments, if any, otherwise payable on any Payment Date, but only if
the Company shall give the Holders and the Agent written notice of its election
to defer such payment (specifying the amount to be deferred) at least ten
Business Days prior to the earlier of (i) the next succeeding Payment Date or
(ii) the date the Company is required to give notice of the Record Date or
Payment Date with respect to payment of such Contract Adjustment Payments, if
any, to the NYSE or other applicable self-regulatory organization or to Holders
of the Securities, but in any event not less than one Business Day prior to such
Record Date. Any Contract Adjustment Payments, if any, so deferred shall, to the
extent permitted by law, bear additional

                                      50
<PAGE>

Contract Adjustment Payments thereon at the rate of __% per annum (computed on
the basis of 360 day year of twelve 30 day months), compounding on each
succeeding Payment Date, until paid in full (such deferred installments of
Contract Adjustment Payments, if any, together with the additional Contract
Adjustment Payments accrued thereon, being referred to herein as the "Deferred
Contract Adjustment Payments"). Deferred Contract Adjustment Payments, if any,
shall be due on the next succeeding Payment Date except to the extent that
payment is deferred pursuant to this Section. No Contract Adjustment Payments,
if any, may be deferred to a date that is after the Purchase Contract Settlement
Date and no such deferral period may end other than on a Payment Date. If the
Purchase Contracts are terminated upon the occurrence of a Termination Event,
the Holder's right to receive Contract Adjustment Payments, if any, and Deferred
Contract Adjustment Payments will terminate.

     In the event that the Company elects to defer the payment of Contract
Adjustment Payments, if any, on the Purchase Contracts until a Payment Date
prior to the Purchase Contract Settlement Date, then all Deferred Contract
Adjustment Payments, if any, shall be payable to the registered Holders as of
the close of business on the Record Date immediately preceding such Payment
Date.

     In the event that the Company elects to defer the payment of Contract
Adjustment Payments, if any, on the Purchase Contracts until the Purchase
Contract Settlement Date, each Holder will receive on the Purchase Contract
Settlement Date in lieu of a cash payment a number of shares of Common Stock (in
addition to a number of shares of Common Stock equal to the Settlement Rate)
equal to (x) the aggregate amount of Deferred Contract Adjustment Payments
payable to such Holder divided by (y) the Applicable Market Value.

     No fractional shares of Common Stock will be issued by the Company with
respect to the payment of Deferred Contract Adjustment Payments on the Purchase
Contract Settlement Date. In lieu of fractional shares otherwise issuable with
respect to such payment of Deferred Contract Adjustment Payments, the Holder
will be entitled to receive an amount in cash as provided in Section 5.10.

     In the event the Company exercises its option to defer the payment of
Contract Adjustment Payments, if any, then, until the Deferred Contract
Adjustment Payments have been paid, the Company shall not declare or pay
dividends on, make distributions with respect to, or redeem, purchase or
acquire, or make a liquidation payment with respect to, any of its capital stock
other than:

                                      51
<PAGE>

          (i)    purchases, redemptions or acquisitions of shares of capital
     stock of the Company in connection with any employment contract, benefit
     plan or other similar arrangement with or for the benefit of employees,
     officers or directors or a stock purchase or dividend reinvestment plan, or
     the satisfaction by the Company of its obligations pursuant to any contract
     or security outstanding on the date of such event;

          (ii)   as a result of a reclassification of the Company's capital
     stock or the exchange or conversion of one class or series of the Company's
     capital stock for another class or series of the Company's capital stock;

          (iii)  the purchase of fractional interests in shares of the Company's
     capital stock pursuant to the conversion or exchange provisions of such
     capital stock or the security being converted or exchanged;

          (iv)   dividends or distributions in capital stock of the Company (or
     rights to acquire capital stock) or repurchases, acquisitions or
     redemptions of capital stock in connection with the issuance or exchange of
     capital stock (or securities convertible into or exchangeable for shares of
     our capital stock);

          (v)     redemptions, exchanges or repurchases of any rights
     outstanding under a shareholder rights plan or the declaration or payment
     thereunder of a dividend or distribution of or with respect to rights in
     the future); or

          (vi)   mandatory sinking fund payments with respect to any series of
     preferred stock or preferred stock A of the Company; provided that the
     aggregate stated value of all such series outstanding at the time of such
     payment does not exceed 5% of the aggregate of (1) the total principal
     amount of all then outstanding bonds or other securities representing
     secured indebtedness issued or assumed by the Company and (2) the Company's
     capital and surplus to be stated on the Company's books of account after
     giving effect to such payment; provided however that any moneys deposited
     in to any sinking fund and not in violation of this clause (vi) may
     thereafter be applied to the purchase or redemption of such preferred stock
     or preferred stock A in accordance with the terms of such sinking fund
     without regard to the foregoing restrictions.

Section 5.3A  Initial Remarketing.

                                      52
<PAGE>

     Unless a Tax Event Redemption has occurred, the Company and Duke Capital
shall engage a nationally recognized investment bank (the "Remarketing Agent")
pursuant to the Remarketing Agreement to sell the Senior Notes of Corporate Unit
Holders (the "Initial Remarketing") on the third Business Day immediately
preceding _______________, 2004 (the "Initial Remarketing Date"). In order to
facilitate the remarketing, the Agent shall notify, by 11:00 a.m., New York City
time, on the Business Day immediately preceding the Initial Remarketing Date,
the Remarketing Agent, the Company, and Duke Capital of the aggregate principal
amount of Senior Notes which constitute part of the Corporate Units to be
remarketed. Concurrently, the Collateral Agent, pursuant to the terms of the
Pledge Agreement, will present for remarketing such Senior Notes to the
Remarketing Agent. Upon receipt of the notice from the Agent and such Senior
Notes from the Collateral Agent, the Remarketing Agent will, on the Initial
Remarketing Date, use its reasonable efforts to remarket such Senior Notes on
such date at a price of approximately 100.5% (but not less than 100%) of the
Treasury Portfolio Purchase Price. If the Remarketing Agent is able to remarket
the Senior Notes at a price equal to or greater than 100% of the Treasury
Portfolio Purchase Price (a "Successful Initial Remarketing"), the portion of
the proceeds from such Successful Initial Remarketing equal to the Treasury
Portfolio Purchase Price will be applied to purchase the Treasury Portfolio. In
addition, the Remarketing Agent may deduct as a remarketing fee ("Remarketing
Fee") an amount not exceeding 25 basis points (0.25%) of the Treasury Portfolio
Purchase Price from any amount of such proceeds in excess of the Treasury
Portfolio Purchase Price. Any proceeds in excess of those required to pay the
Treasury Portfolio Purchase Price and the Remarketing Fee will be remitted to
the Agent for a prompt payment to the Holders of the related Corporate Units to
be made on a pro rata basis. Corporate Units Holders whose Senior Notes are so
remarketed will not otherwise be responsible for the payment of any Remarketing
Fee in connection therewith. The Treasury Portfolio will be substituted for the
Senior Notes of Corporate Unit Holders and will be pledged to the Collateral
Agent to secure the Corporate Unit Holders' obligation to pay the Purchase Price
for the Common Stock under the related Purchase Contracts on the Purchase
Contract Settlement Date. Following the occurrence of a Successful Initial
Remarketing, the Holders of Corporate Units and the Collateral Agent shall have
such security interests, rights and obligations with respect to the Treasury
Portfolio as the Holder of Corporate Units and the Collateral Agent had in
respect of the Senior Notes, as the case may be, subject to the Pledge thereof
as provided in Articles 2, 3, 4, 5 and 6 of the Pledge Agreement, and any
reference herein or in the Certificates to the Senior Notes shall be deemed to
be a reference to such Treasury Portfolio and any reference herein or in the
Certificates to interest on the Senior Notes shall be deemed to be a reference
to corresponding distributions on the Treasury Portfolio.

                                      53
<PAGE>

The Company may cause to be made in any Corporate Units Certificates thereafter
to be issued such change in phraseology and form (but not in substance) as may
be appropriate to reflect the substitution of the Treasury Portfolio for Senior
Notes as collateral.

     If, (i) in spite of using its reasonable efforts, the Remarketing Agent
cannot remarket the related Senior Notes (other than to the Company) of such
Holders of Corporate Units at a price not less than 100% of the Treasury
Portfolio Purchase Price, or (ii) the remarketing has not occurred because a
condition precedent to the remarketing has not been fulfilled, the remarketing
will be deemed to have failed (a "Failed Initial Remarketing"). The Company will
cause a notice of a Failed Initial Remarketing to be published on the second
Business Day immediately preceding ___________, 2004 in a daily newspaper in the
English language of general circulation in The City of New York, which is
expected to be The Wall Street Journal.

     Holders of and the holders of beneficial interest in the Securities shall
be hereby deemed to agree that the obligations of the Remarketing Agent and the
Reset Agent under the Remarketing Agreement and the related supplemental
remarketing agreement are subject to satisfaction of conditions set forth in or
incorporated by reference into any such agreement.

Section 5.4.   Payment of Purchase Price; Secondary Remarketing.

          (a) (i) Unless a Tax Event Redemption, Successful Initial Remarketing,
     Termination Event or Early Settlement has occurred, each Holder of a
     Corporate Unit may pay in cash ("Cash Settlement") the Purchase Price for
     the shares of Common Stock to be purchased pursuant to a Purchase Contract
     if such Holder notifies the Agent by use of a notice in substantially the
     form of Exhibit E hereto of its intention to make a Cash Settlement. Such
     notice shall be made on or prior to 5:00 p.m., New York City time, on the
     fifth Business Day immediately preceding the Purchase Contract Settlement
     Date. The Agent shall promptly notify the Collateral Agent of the receipt
     of such a notice from a Holder intending to make a Cash Settlement.

          (ii)    A Holder of a Corporate Unit who has so notified the Agent of
     its intention to make a Cash Settlement is required to pay the Purchase
     Price to the Collateral Agent prior to 11:00 a.m., New York City time, on
     the Business Day immediately preceding the Purchase Contract Settlement
     Date in lawful money of the United States by certified or cashiers' check
     or wire

                                      54
<PAGE>

     transfer, in each case in immediately available funds payable to or upon
     the order of the Company. Any cash received by the Collateral Agent will be
     invested promptly by the Collateral Agent in Permitted Investments and paid
     to the Company on the Purchase Contract Settlement Date in settlement of
     the Purchase Contract in accordance with the terms of this Agreement and
     the Pledge Agreement. Any funds received by the Collateral Agent in respect
     of the investment earnings from the investment in such Permitted
     Investments, will be distributed to the Agent when received for payment to
     the Holder.

          (iii)  If a Holder of a Corporate Unit fails to notify the Agent of
     its intention to make a Cash Settlement in accordance with paragraph (a)(i)
     above, such failure shall constitute an event of default hereunder and
     under the Pledge Agreement and the Holder shall be deemed to have consented
     to the disposition of the pledged Senior Notes pursuant to the Secondary
     Remarketing as described in paragraph (b) below. If a Holder of a Corporate
     Unit does notify the Agent as provided in paragraph (a)(i) above of its
     intention to pay the Purchase Price in cash, but fails to make such payment
     as required by paragraph (a)(ii) above, such failure shall also constitute
     an event of default; however, the Senior Notes of such a Holder will not be
     remarketed but instead the Collateral Agent, for the benefit of the
     Company, will exercise its rights as a secured party with respect to such
     Senior Notes, including but not limited to those rights specified in
     paragraph (c) below.

          (b)    Unless a Tax Event Redemption or a Successful Initial
     Remarketing has occurred, the Senior Notes of Corporate Unit Holders who
     have not notified the Agent of their intention to effect a Cash Settlement
     as provided in paragraph (a)(i) above will be sold by the Remarketing Agent
     (the "Secondary Remarketing") on the third Business Day immediately
     preceding the Purchase Contract Settlement Date (the "Secondary Remarketing
     Date"). The Agent shall notify, by 11:00 a.m., New York City time, on the
     Business Day immediately preceding the Secondary Remarketing Date, the
     Remarketing Agent, the Company and Duke Capital of the aggregate principal
     amount of Senior Notes to be remarketed. Concurrently, the Collateral
     Agent, pursuant to the terms of the Pledge Agreement, will present for
     remarketing such Senior Notes to the Remarketing Agent. Upon receipt of
     such notice from the Agent and such Senior Notes from the Collateral Agent,
     the Remarketing Agent will, on the Secondary Remarketing Date, use its
     reasonable efforts to remarket such Senior Notes on such date at a price of
     approximately 100.5% (but not less than 100%) of the aggregate principal
     amount of such Senior Notes. If the Remarketing Agent is able to

                                      55
<PAGE>

         remarket the Senior Notes at a price equal to or greater than 100% of
         the aggregate principal amount of Senior Notes (a "Successful Secondary
         Remarketing"), the Remarketing Agent will remit the entire amount of
         the proceeds from such Successful Secondary Remarketing to the
         Collateral Agent; provided, however, that the Remarketing Agent may
         deduct as the Remarketing Fee an amount not exceeding 25 basis points
         (0.25%) of the aggregate principal amount of the remarketed Senior
         Notes from any amount of the proceeds of a Successful Secondary
         Remarketing in excess of the aggregate principal amount of the
         remarketed Senior Notes. The portion of the proceeds equal to the
         aggregate principal amount of Senior Notes will automatically be
         applied by the Collateral Agent, in accordance with the Pledge
         Agreement, to satisfy in full such Corporate Units holders' obligations
         to pay the Purchase Price for the Common Stock under the related
         Purchase Contracts on the Purchase Contract Settlement Date. Any
         proceeds in excess of those required to pay the Purchase Price and the
         Remarketing Fee will be remitted to the Agent for payment to the
         Holders of the related Corporate Units. Corporate Units Holders whose
         Senior Notes are so remarketed will not otherwise be responsible for
         the payment of any Remarketing Fee in connection therewith. If, (i) in
         spite of using its reasonable efforts, the Remarketing Agent cannot
         remarket the related Senior Notes (other than to the Company) of such
         Holders of Corporate Units at a price not less than 100% of the
         aggregate principal amount of the Senior Notes, or (ii) the remarketing
         has not occurred because a condition precedent to the remarketing has
         not been fulfilled, the remarketing will be deemed to have failed (a
         "Failed Secondary Remarketing") and in accordance with the terms of the
         Pledge Agreement the Collateral Agent for the benefit of the Company
         will exercise its rights as a secured party with respect to such Senior
         Notes, including those actions specified in paragraph (c) below. The
         Company will cause a notice of such Failed Secondary Remarketing to be
         published on the second Business Day immediately preceding the Purchase
         Contract Settlement Date in a daily newspaper in the English language
         of general circulation in The City of New York, which is expected to be
         The Wall Street Journal.

                    (c)  With respect to any Senior Notes beneficially owned by
         Holders who have elected Cash Settlement but failed to deliver cash as
         required in (a)(ii) above, or with respect to Senior Notes which are
         subject to a Failed Secondary Remarketing, the Collateral Agent for the
         benefit of the Company reserves all of its rights as a secured party
         with respect thereto and, subject to applicable law and paragraph (h)
         below, may, among other things,

                                      56
<PAGE>

         (i) retain the Senior Notes or (ii) sell the Senior Notes in one or
         more public or private sales, each in full satisfaction of the Holders'
         obligations under the Purchase Contracts.

                    (d)  Unless a Termination Event or an Early Settlement has
         occurred, the Purchase Contract underlying each Treasury Unit and, if a
         Tax Event Redemption or a Successful Initial Remarketing has occurred,
         each Corporate Unit will be settled with the Proceeds at maturity of
         the Treasury Security or the Applicable Ownership Interest (as defined
         in clause (A) of the definition of such term) of the Treasury
         Portfolio, as applicable. Upon receipt of such Proceeds, the Collateral
         Agent will invest the Proceeds promptly in Permitted Investments and
         pay the Proceeds to the Company on the Purchase Contract Settlement
         Date in accordance with the terms of this Agreement and the Pledge
         Agreement. Any such Proceeds received by the Collateral Agent in excess
         of the Purchase Price and any funds received by the Collateral Agent in
         respect of the investment earnings from the investment in such
         Permitted Investments will be distributed to the Agent when received
         for payment to the Holder.

                    (e)  Any distribution to Holders of excess funds and
         interest described above, shall be payable at the New York Office
         maintained for that purpose or, at the option of the Holder, by check
         mailed to the address of the Person entitled thereto at such address as
         it appears on the Register or, at the option of the Company, by wire
         transfer to the bank account designated by such Holder in writing, such
         payments to be made to the same Persons entitled to receive Common
         Stock with respect to Purchase Contracts referred to in Subsection (d)
         above.

                    (f)  Unless a Holder settles the underlying Purchase
         Contract through the Early Settlement in the manner described in
         Section 5.9, the Company shall not be obligated to issue any shares of
         Common Stock in respect of a Purchase Contract or deliver any
         certificate therefor to the Holder unless it shall have received
         payment in full of the Purchase Price for the shares of Common Stock to
         be purchased thereunder in the manner set forth in this Section 5.4.

                    (g)  Upon Cash Settlement of any Purchase Contract, (i) the
         Collateral Agent will in accordance with the terms of the Pledge
         Agreement cause the pledged Senior Notes underlying the relevant
         Security to be released from the Pledge by the Collateral Agent free
         and clear of any

                                      57
<PAGE>

         security interest of the Company and transferred to the Agent for
         delivery to the Holder thereof or its designee as soon as practicable
         and (ii) subject to the receipt thereof from the Collateral Agent, the
         Agent shall, by book-entry transfer, or other appropriate procedures,
         in accordance with instructions provided by the Holder thereof,
         transfer such Senior Notes (or, if no such instructions are given to
         the Agent by the Holder, the Agent shall hold such Senior Notes and any
         distributions thereon in the name of the Agent or its nominee in trust
         for the benefit of such Holder).

                 (h)  The obligations of the Holders to pay the Purchase Price
         are non-recourse obligations and are payable solely out of any Cash
         Settlement or the Proceeds of any Collateral pledged to secure the
         obligations of the Holders and in no event will Holders be liable for
         any deficiency between the Proceeds of Collateral and the Purchase
         Price.

  Section 5.5.   Issuance of Shares of Common Stock.

         Unless a Termination Event or an Early Settlement shall have occurred,
  on the Purchase Contract Settlement Date, upon its receipt of payment in full
  of the Purchase Price for the shares of Common Stock purchased by the Holders
  pursuant to the foregoing provisions of this Article and subject to Section
  5.6(b), the Company shall issue and deposit with the Agent, for the benefit of
  the Holders of the Outstanding Securities, one or more certificates
  representing newly issued shares of Common Stock registered in the name of the
  Agent (or its nominee) as custodian for the Holders (such certificates for
  shares of Common Stock, together with any dividends or distributions for which
  both a record date and payment date for such dividend or distribution has
  occurred on or after the Purchase Contract Settlement Date, being hereinafter
  referred to as the "Purchase Contract Settlement Fund") to which the Holders
  are entitled hereunder. Subject to the foregoing, upon surrender of a
  Certificate to the Agent on or after the Purchase Contract Settlement Date,
  together with settlement instructions thereon duly completed and executed, the
  Holder of such Certificate shall be entitled to receive in exchange therefor a
  certificate representing that number of whole shares of Common Stock which
  such Holder is entitled to receive pursuant to the provisions of this Article
  Five (after taking into account all Securities then held by such Holder)
  together with cash in lieu of fractional shares as provided in Section 5.10
  and any dividends or distributions with respect to such shares constituting
  part of the Purchase Contract Settlement Fund, but without any interest
  thereon, and the Certificate so surrendered shall forthwith be cancelled. Such
  shares shall be registered in the name of the Holder or the Holder's designee
  as specified in the settlement instructions provided by the

                                      58
<PAGE>

  Holder to the Agent. If any shares of Common Stock issued in respect of a
  Purchase Contract are to be registered to a Person other than the Person in
  whose name the Certificate evidencing such Purchase Contract is registered, no
  such registration shall be made unless the Person requesting such registration
  has paid any transfer and other taxes required by reason of such registration
  in a name other than that of the registered Holder of the Certificate
  evidencing such Purchase Contract or has established to the satisfaction of
  the Company that such tax either has been paid or is not payable.

  Section 5.6.    Adjustment of Settlement Rate.

         (a)      Adjustments for Dividends, Distributions, Stock Splits, Etc.

                  (1)    In case the Company shall pay or make a dividend or
  other distribution on the Common Stock in Common Stock, the Settlement Rate,
  as in effect at the opening of business on the day following the date fixed
  for the determination of stockholders entitled to receive such dividend or
  other distribution, shall be increased by dividing such Settlement Rate by a
  fraction of which the numerator shall be the number of shares of Common Stock
  outstanding at the close of business on the date fixed for such determination
  and the denominator shall be the sum of such number of shares and the total
  number of shares constituting such dividend or other distribution, such
  increase to become effective immediately after the opening of business on the
  day following the date fixed for such determination. For the purposes of this
  paragraph (1), the number of shares of Common Stock at any time outstanding
  shall not include shares held in treasury by the Company but shall include any
  shares issuable in respect of any scrip certificates issued in lieu of
  fractions of shares of Common Stock. The Company will not pay any dividend or
  make any distribution on shares of Common Stock held in treasury by the
  Company.

                  (2)    In case the Company shall issue rights, options or
  warrants to all holders of its Common Stock (not being available on an
  equivalent basis to Holders of the Securities upon settlement of the Purchase
  Contracts underlying such Securities) entitling them, for a period expiring
  within 45 days after the record date for the determination of stockholders
  entitled to receive such rights, options or warrants, to subscribe for or
  purchase shares of Common Stock at a price per share less than the Current
  Market Price per share of the Common Stock on the date fixed for the
  determination of stockholders entitled to receive such rights, options or
  warrants (other than pursuant to a dividend reinvestment plan or share
  purchase plan), the Settlement Rate in effect at the opening of business on
  the day following the date fixed for such determination shall be increased by
  dividing such Settlement

                                      59
<PAGE>

  Rate by a fraction of which the numerator shall be the number of shares of
  Common Stock outstanding at the close of business on the date fixed for such
  determination plus the number of shares of Common Stock which the aggregate
  offering price of the total number of shares of Common Stock so offered for
  subscription or purchase would purchase at such Current Market Price and the
  denominator shall be the number of shares of Common Stock outstanding at the
  close of business on the date fixed for such determination plus the number of
  shares of Common Stock so offered for subscription or purchase, such increase
  to become effective immediately after the opening of business on the day
  following the date fixed for such determination. For the purposes of this
  paragraph (2), the number of shares of Common Stock at any time outstanding
  shall not include shares held in treasury by the Company but shall include any
  shares issuable in respect of any scrip certificates issued in lieu of
  fractions of shares of Common Stock. The Company shall not issue any such
  rights, options or warrants in respect of shares of Common Stock held in
  treasury by the Company.

                    (3)  In case outstanding shares of Common Stock shall be
  subdivided or split into a greater number of shares of Common Stock, the
  Settlement Rate in effect at the opening of business on the day following the
  day upon which such subdivision or split becomes effective shall be
  proportionately increased, and, conversely, in case outstanding shares of
  Common Stock shall each be combined into a smaller number of shares of Common
  Stock, the Settlement Rate in effect at the opening of business on the day
  following the day upon which such combination becomes effective shall be
  proportionately reduced, such increase or reduction, as the case may be, to
  become effective immediately after the opening of business on the day
  following the day upon which such subdivision, split or combination becomes
  effective.

                    (4)  In case the Company shall, by dividend or otherwise,
  distribute to all holders of its Common Stock evidences of its indebtedness,
  shares of capital stock, securities, cash or other property (but excluding any
  rights, options or warrants referred to in paragraph (2) of this Section, any
  dividend or distribution paid exclusively in cash and any dividend or
  distribution referred to in paragraph (1) of this Section), the Settlement
  Rate shall be increased so that the same shall equal the rate determined by
  dividing the Settlement Rate in effect immediately prior to the close of
  business on the date fixed for the determination of stockholders entitled to
  receive such distribution by a fraction of which the numerator shall be the
  Current Market Price per share of the Common Stock on the date fixed for such
  determination less the then fair market value (as determined by the Board of
  Directors, whose determination shall be conclusive and described in a Board

                                      60
<PAGE>

  Resolution filed with the Agent) on such date of the portion of the evidences
  of indebtedness, shares of capital stock, securities, cash or other property
  so distributed applicable to one share of Common Stock and the denominator
  shall be such Current Market Price per share of the Common Stock, such
  adjustment to become effective immediately prior to the opening of business on
  the day following the date fixed for the determination of stockholders
  entitled to receive such distribution. In any case in which this paragraph (4)
  is applicable, paragraphs (1) and (2) of this Section 5.6(a) shall not be
  applicable.

          (5)   In case the Company shall, (I) by dividend or otherwise,
  distribute to all holders of its Common Stock cash (excluding (i) regular
  quarterly cash distributions, (ii) any cash that is distributed in a
  Reorganization Event to which Section 5.6(b) applies or (iii) cash that is
  distributed as part of a distribution referred to in paragraph (4) of this
  Section) in an aggregate amount that, combined together with (II) the
  aggregate amount of any other distributions (other than regular quarterly cash
  distributions) to all holders of its Common Stock made exclusively in cash
  within the 12 months preceding the date of payment of such distribution and in
  respect of which no adjustment pursuant to this paragraph (5) or paragraph (6)
  of this Section has been made and (III) the aggregate of any cash plus the
  fair market value, as of the expiration of the applicable tender or exchange
  offer referred to below (as determined by the Board of Directors, whose
  determination shall be conclusive and described in a Board Resolution), of
  consideration payable in respect of any tender or exchange offer (other than
  consideration payable in respect of any odd-lot tender offer) by the Company
  or any of its subsidiaries for all or any portion of the Common Stock
  concluded within the 12 months preceding the date of payment of the
  distribution described in clause (I) above and in respect of which no
  adjustment pursuant to this paragraph (5) or paragraph (6) of this Section has
  been made, exceeds 15% of the product of the Current Market Price per share of
  the Common Stock on the date for the determination of holders of shares of
  Common Stock entitled to receive such distribution times the number of shares
  of Common Stock outstanding on such date, then, and in each such case,
  immediately after the close of business on such date for determination, the
  Settlement Rate shall be increased so that the same shall equal the rate
  determined by dividing the Settlement Rate in effect immediately prior to the
  close of business on the date fixed for determination of the stockholders
  entitled to receive such distribution by a fraction (i) the numerator of which
  shall be equal to the Current Market Price per share of the Common Stock on
  the date fixed for such determination less an amount equal to the quotient of
  (x) the combined amount distributed or payable in the transactions described
  in clauses (I), (II) and (III) above and (y) the number of shares of Common
  Stock outstanding on

                                      61
<PAGE>

  such date for determination and (ii) the denominator of which shall be equal
  to the Current Market Price per share of the Common Stock on such date for
  determination.

               (6)   In case (I) a tender or exchange offer made by the Company
  or any subsidiary of the Company for all or any portion of the Common Stock
  shall expire and such tender or exchange offer (as amended upon the expiration
  thereof) shall require the payment to stockholders (based on the acceptance
  (up to any maximum specified in the terms of the tender or exchange offer) of
  Purchased Shares) of an aggregate consideration having a fair market value (as
  determined by the Board of Directors, whose determination shall be conclusive
  and described in a Board Resolution) that combined together with (II) the
  aggregate of the cash plus the fair market value (as determined by the Board
  of Directors, whose determination shall be conclusive and described in a Board
  Resolution), as of the expiration of such tender or exchange offer, of
  consideration payable in respect of any other tender or exchange offer (other
  than consideration payable in respect of any odd-lot tender offer) by the
  Company or any subsidiary of the Company for all or any portion of the Common
  Stock expiring within the 12 months preceding the expiration of such tender or
  exchange offer and in respect of which no adjustment pursuant to paragraph (5)
  of this Section or this paragraph (6) has been made and (III) the aggregate
  amount of any distributions (other than regular quarterly cash distributions)
  to all holders of the Company's Common Stock made exclusively in cash within
  the 12 months preceding the expiration of such tender or exchange offer and in
  respect of which no adjustment pursuant to paragraph (5) of this Section or
  this paragraph (6) has been made, exceeds 15% of the product of the Current
  Market Price per share of the Common Stock as of the last time (the
  "Expiration Time") tenders could have been made pursuant to such tender or
  exchange offer (as it may be amended) times the number of shares of Common
  Stock outstanding (including any tendered shares) on the Expiration Time,
  then, and in each such case, immediately prior to the opening of business on
  the day after the date of the Expiration Time, the Settlement Rate shall be
  adjusted so that the same shall equal the rate determined by dividing the
  Settlement Rate immediately prior to the close of business as of the
  Expiration Time by a fraction (i) the numerator of which shall be equal to (A)
  the product of (I) the Current Market Price per share of the Common Stock as
  of the Expiration Time and (II) the number of shares of Common Stock
  outstanding (including any tendered shares) as of the Expiration Time less (B)
  the amount of cash plus the fair market value (determined as aforesaid) of the
  aggregate consideration payable to stockholders based on the transactions
  described in clauses (I), (II) and (III) above (assuming in the case of clause
  (I) the acceptance, up to any maximum specified in the terms of the tender or
  exchange offer, of Purchased Shares), and (ii) the denominator of which shall
  be equal to the product of (A) the Current Market Price

                                      62
<PAGE>

  per share of the Common Stock as of the Expiration Time and (B) the number of
  shares of Common Stock outstanding (including any tendered shares) as of the
  Expiration Time less the number of all shares validly tendered and not
  withdrawn as of the Expiration Time (the shares deemed so accepted, up to any
  such maximum, being referred to as the "Purchased Shares").

          (7)  The reclassification of Common Stock into securities including
  securities other than Common Stock (other than any reclassification upon a
  Reorganization Event to which Section 5.6(b) applies) shall be deemed to
  involve (a) a distribution of such securities other than Common Stock to all
  holders of Common Stock (and the effective date of such reclassification shall
  be deemed to be "the date fixed for the determination of stockholders entitled
  to receive such distribution" and the "date fixed for such determination"
  within the meaning of paragraph (4) of this Section), and (b) a subdivision,
  split or combination, as the case may be, of the number of shares of Common
  Stock outstanding immediately prior to such reclassification into the number
  of shares of Common Stock outstanding immediately thereafter (and the
  effective date of such reclassification shall be deemed to be "the day upon
  which such subdivision or split becomes effective" or "the day upon which such
  combination becomes effective", as the case may be, and "the day upon which
  such subdivision, split or combination becomes effective" within the meaning
  of paragraph (3) of this Section).

          (8)  The "Current Market Price" per share of Common Stock on any day
  means the average of the daily Closing Prices for the five consecutive Trading
  Days selected by the Company commencing not more than 30 Trading Days before,
  and ending not later than, the earlier of the day in question and the day
  before the "ex date" with respect to the issuance or distribution requiring
  such computation. For purposes of this paragraph, the term "ex date", when
  used with respect to any issuance or distribution, shall mean the first date
  on which the Common Stock trades regular way on such exchange or in such
  market without the right to receive such issuance or distribution.

          (9)  All adjustments to the Settlement Rate, shall be calculated to
  the nearest 1/10,000th of a share of Common Stock (or if there is not a
  nearest 1/10,000th of a share to the next lower 1/10,000th of a share). No
  adjustment in the Settlement Rate shall be required unless such adjustment
  would require an increase or decrease of at least one percent therein;
  provided, however, that any adjustments which by reason of this subparagraph
  are not required to be made shall be carried forward and taken into account in
  any subsequent adjustment. If an adjustment is made to the Settlement Rate
  pursuant to paragraph (1), (2), (3), (4), (5), (6), (7) or

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<PAGE>

  (10) of this Section 5.6(a), an adjustment shall also be made to the
  Applicable Market Value solely to determine which of clauses (a), (b) or (c)
  of the definition of Settlement Rate in Section 5.1 will apply on the Purchase
  Contract Settlement Date and, if clause (b) of such definition applies, to
  determine the Settlement Rate thereunder. Such adjustment shall be made by
  multiplying the Applicable Market Value by a fraction of which the numerator
  shall be the Settlement Rate immediately after such adjustment pursuant to
  paragraph (1), (2), (3), (4), (5), (6), (7) or (10) of this Section 5.6(a) and
  the denominator shall be the Settlement Rate immediately before such
  adjustment; provided, however, that if such adjustment to the Settlement Rate
  is required to be made pursuant to the occurrence of any of the events
  contemplated by paragraph (1), (2), (3), (4), (5), (6), (7) or (10) of this
  Section 5.6(a) during the period taken into consideration for determining the
  Applicable Market Value, appropriate and customary adjustments shall be made
  to the Settlement Rate.

               (10) The Company may make such increases in the Settlement Rate,
  in addition to those required by this Section, as it considers to be advisable
  in order to avoid or diminish any income tax to any holders of shares of
  capital stock resulting from any dividend or distribution of stock or issuance
  of rights or warrants to purchase or subscribe for stock or from any event
  treated as such for income tax purposes or for any other reasons.

          (b)  Adjustment for Consolidation, Merger or Other Reorganization
  Event. In the event of (i) any consolidation or merger of the Company with or
  into another Person (other than a merger or consolidation in which the Company
  is the continuing corporation and in which the Common Stock outstanding
  immediately prior to the merger or consolidation is not exchanged for cash,
  securities or other property of the Company or another corporation), (ii) any
  sale, transfer, lease or conveyance to another Person of the property of the
  Company as an entirety or substantially as an entirety, (iii) any statutory
  exchange of securities of the Company with another Person (other than in
  connection with a merger or acquisition) or (iv) any liquidation, dissolution
  or winding up of the Company other than as a result of or after the occurrence
  of a Termination Event (any such event, a "Reorganization Event"), the
  Settlement Rate will be adjusted to provide that each Holder of Securities
  will receive on the Purchase Contract Settlement Date with respect to each
  Purchase Contract forming a part thereof (or upon any Early Settlement), the
  kind and amount of securities, cash and other property receivable upon such
  Reorganization Event (without any interest thereon, and without any right to
  dividends or distribution thereon which have a record date that is prior to
  the Purchase Contract Settlement Date) by a holder of the number of shares of
  Common Stock issuable on account of each Purchase Contract if the Purchase
  Contract Settlement Date or the Early

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<PAGE>

  Settlement Date, as the case may be, had occurred immediately prior to such
  Reorganization Event assuming such holder of Common Stock is not a Person with
  which the Company consolidated or into which the Company merged or which
  merged into the Company or to which such sale or transfer was made, as the
  case may be (any such Person, a "Constituent Person"), or an Affiliate of a
  Constituent Person to the extent such Reorganization Event provides for
  different treatment of Common Stock held by Affiliates of the Company and non-
  affiliates and such Holder failed to exercise its rights of election, if any,
  as to the kind or amount of securities, cash and other property receivable
  upon such Reorganization Event (provided that if the kind or amount of
  securities, cash and other property receivable upon such Reorganization Event
  is not the same for each share of Common Stock held immediately prior to such
  Reorganization Event by other than a Constituent Person or an Affiliate
  thereof and in respect of which such rights of election shall not have been
  exercised ("non-electing share"), then for the purpose of this Section the
  kind and amount of securities, cash and other property receivable upon such
  Reorganization Event by each non-electing share shall be deemed to be the kind
  and amount so receivable per share by the non-electing shares). In the event
  of such a Reorganization Event, the Person formed by such consolidation,
  merger or exchange or the Person which acquires or leases the assets of the
  Company or, in the event of a liquidation or dissolution of the Company, the
  Company or a liquidating trust created in connection therewith, shall execute
  and deliver to the Agent an agreement supplemental hereto providing that the
  Holders of each Outstanding Security shall have the rights provided by this
  Section 5.6. Such supplemental agreement shall provide for adjustments which,
  for events subsequent to the effective date of such supplemental agreement,
  shall be as nearly equivalent as may be practicable to the adjustments
  provided for in this Section. The above provisions of this Section shall
  similarly apply to successive Reorganization Events.

  Section 5.7.   Notice of Adjustments and Certain Other Events.

         (a)     Whenever the Settlement Rate is adjusted as herein provided,
  the Company shall:

                 (i)   forthwith compute the Settlement Rate in accordance with
         Section 5.6 and prepare and transmit to the Agent an Officer's
         Certificate setting forth the Settlement Rate, the method of
         calculation thereof in reasonable detail, and the facts requiring such
         adjustment and upon which such adjustment is based, and any related
         adjustment to the Applicable Market Value; and

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               (ii)      within 10 Business Days following the occurrence of an
         event that requires an adjustment to the Settlement Rate and the
         Applicable Market Value pursuant to Section 5.6 (or if the Company is
         not aware of such occurrence, as soon as practicable after becoming so
         aware), provide a written notice to the Holders of the Securities of
         the occurrence of such event and a statement in reasonable detail
         setting forth the method by which the adjustment to the Settlement Rate
         and the Applicable Market Value was determined and setting forth the
         adjusted Settlement Rate and the Applicable Market Value.

         (b)   The Agent shall not at any time be under any duty or
responsibility to any Holder of Securities to determine whether any facts exist
which may require any adjustment of the Settlement Rate or the Applicable Market
Value, or with respect to the nature or extent or calculation of any such
adjustment when made, or with respect to the method employed in making the same.
The Agent shall not be accountable with respect to the validity or value (or the
kind or amount) of any shares of Common Stock, or of any securities or property,
which may at the time be issued or delivered with respect to any Purchase
Contract; and the Agent makes no representation with respect thereto. The Agent
shall not be responsible for any failure of the Company to issue, transfer or
deliver any shares of Common Stock pursuant to a Purchase Contract or to comply
with any of the duties, responsibilities or covenants of the Company contained
in this Article.

Section 5.8.   Termination Event; Notice.

         The Purchase Contracts and all obligations and rights of the Company
and the Holders thereunder, including, without limitation, the rights of the
Holders to receive and the obligation of the Company to pay Contract Adjustment
Payments, if any, or Deferred Contract Adjustment Payments, if the Company shall
have such obligation, and the rights and obligations of Holders to purchase
Common Stock, shall immediately and automatically terminate, without the
necessity of any notice or action by any Holder, the Agent or the Company, if,
on or prior to the Purchase Contract Settlement Date, a Termination Event shall
have occurred. Upon and after the occurrence of a Termination Event, the
Securities shall thereafter represent the right to receive the Senior Notes or
the appropriate Applicable Ownership Interest of the Treasury Portfolio, as the
case may be, forming a part of such Securities in the case of Corporate Units,
or Treasury Securities in the case of Treasury Units, in accordance with the
provisions of Section 4.3 of the Pledge Agreement; provided, however, that, to
the extent that a Holder of Corporate Units or Treasury Units would otherwise be
entitled to receive less than $1,000 principal amount at maturity of the

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Treasury Portfolio or the Treasury Securities, the Agent shall dispose of such
securities for cash using a customary method (and shall have no liability
relating to the amount of cash so received, unless any deficiency in the amount
of such cash arose from the negligence, wilful misconduct or bad faith of the
Agent), and transfer the appropriate amount of such cash to such Holder in
accordance with such Holder's instructions. Upon the occurrence of a Termination
Event, the Company shall promptly but in no event later than two Business Days
thereafter give written notice to the Agent, the Collateral Agent and to the
Holders, at their addresses as they appear in the Register.

Section 5.9.   Early Settlement.

         (a)   Subject to and upon compliance with the provisions of this
Section 5.9, at the option of the Holder thereof, Purchase Contracts underlying
Securities having an aggregate Stated Amount equal to $1,000 or an integral
multiple thereof may be settled early ("Early Settlement") in the case of
Corporate Units (unless a Tax Event Redemption or a Successful Initial
Remarketing has occurred) on or prior to the fifth Business Day immediately
preceding the Purchase Contract Settlement Date and in the case of Treasury
Units on or prior to the second Business Day immediately preceding the Purchase
Contract Settlement Date, in each case, as provided herein; provided however,
that if a Tax Event Redemption or a Successful Initial Remarketing has occurred
and the Treasury Portfolio has become a component of the Corporate Units,
Purchase Contracts underlying Corporate Units may be settled early on or prior
to the second Business Day immediately preceding the Purchase Contract
Settlement Date, but only in an aggregate amount of ____ Corporate Units or in
an integral multiple thereof. In order to exercise the right to effect Early
Settlement with respect to any Purchase Contracts, the Holder of the Certificate
evidencing Securities shall deliver such Certificate to the Agent at the
Corporate Trust Office or the New York Office duly endorsed for transfer to the
Company or in blank with the form of Election to Settle Early on the reverse
thereof duly completed and accompanied by payment (payable to the Company) in
immediately available funds in an amount (the "Early Settlement Amount") equal
to (i) the product of (A) the Stated Amount times (B) the number of Purchase
Contracts with respect to which the Holder has elected to effect Early
Settlement plus (ii) if such delivery is made with respect to any Purchase
Contracts during the period from the close of business on any Record Date next
preceding any Payment Date to the opening of business on such Payment Date, an
amount equal to the Contract Adjustment Payments, if any, payable on such
Payment Date with respect to such Purchase Contracts; provided that no payment
shall be required pursuant to clause (ii) of this sentence if the Company shall
have elected to defer the Contract Adjustment Payments which would

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otherwise be payable on such Payment Date. Except as provided in the immediately
preceding sentence and subject to the second to last paragraph of Section 5.2,
no payment or adjustment shall be made upon Early Settlement of any Purchase
Contract on account of any Contract Adjustment Payments accrued on such Purchase
Contract or on account of dividends on the Common Stock issued upon such Early
Settlement or on account of any Deferred Contract Adjustment Payments. If the
foregoing requirements are first satisfied with respect to Purchase Contracts
underlying any Securities at or prior to 5:00 p.m., New York City time, on a
Business Day, such day shall be the "Early Settlement Date" with respect to such
Securities and if such requirements are first satisfied after 5:00 p.m., New
York City time, on a Business Day or on a day that is not a Business Day, the
"Early Settlement Date" with respect to such Securities shall be the next
succeeding Business Day.

         (b)   Upon Early Settlement of Purchase Contracts by a Holder of the
related Securities and payment of any transfer or similar taxes payable by such
Holder in connection with the issuance of the related Common Stock to any person
other than such Holder, the Company shall issue, and the Holder shall be
entitled to receive, _____ shares of newly issued Common Stock on account of
each Purchase Contract as to which Early Settlement is effected (the "Early
Settlement Rate"); provided, however, that upon the Early Settlement of the
Purchase Contracts, the Holder of such related Securities will forfeit the right
to receive any Deferred Contract Adjustment Payments and future Contract
Adjustment Payments, if any, except to the extent that the Early Settlement Date
is after the close of business on a Record Date and prior to the opening of
business on the corresponding Payment Date. The Early Settlement Rate shall be
adjusted in the same manner and at the same time as the Settlement Rate is
adjusted. As promptly as practicable after Early Settlement of Purchase
Contracts in accordance with the provisions of this Section 5.9, the Company
shall issue and shall deliver to the Agent at the Corporate Trust Office a
certificate or certificates for the full number of shares of Common Stock
issuable upon such Early Settlement together with payment in lieu of any
fraction of a share, as provided in Section 5.10.

         (c)   No later than the third Business Day after the applicable Early
Settlement Date the Company shall cause (i) the shares of Common Stock issuable
upon Early Settlement of Purchase Contracts to be issued and delivered, and (ii)
the related Senior Notes or the appropriate Applicable Ownership Interest of the
Treasury Portfolio, in the case of Corporate Units, or the related Treasury
Securities, in the case of Treasury Units, to be released from the Pledge by the
Collateral Agent and transferred, in each case to the Agent for delivery to the
Holder thereof or its designee.

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         (d)   Upon Early Settlement of any Purchase Contracts, and subject to
receipt of shares of Common Stock from the Company and the Senior Notes, the
appropriate Applicable Ownership Interest of the Treasury Portfolio or Treasury
Securities, as the case may be, from the Collateral Agent, as applicable, the
Agent shall, in accordance with the instructions provided by the Holder thereof
on the applicable form of Election to Settle Early on the reverse of the
Certificate evidencing the related Securities, (i) transfer to the Holder the
Senior Notes, Treasury Portfolio or Treasury Securities, as the case may be,
forming a part of such Securities, and (ii) deliver to the Holder a certificate
or certificates for the full number of shares of Common Stock issuable upon such
Early Settlement together with payment in lieu of any fraction of a share, as
provided in Section 5.10.

         (e)   In the event that Early Settlement is effected with respect to
Purchase Contracts underlying less than all the Securities evidenced by a
Certificate, upon such Early Settlement the Company shall execute and the Agent
shall authenticate, countersign and deliver to the Holder thereof, at the
expense of the Company, a Certificate evidencing the Securities as to which
Early Settlement was not effected.

Section 5.10.  No Fractional Shares.

         No fractional shares or scrip representing fractional shares of Common
Stock shall be issued or delivered upon settlement on the Purchase Contract
Settlement Date or upon Early Settlement of any Purchase Contracts, or with
respect to the payment of Deferred Contract Adjustment Payments on the Purchase
Contract Settlement Date. If Certificates evidencing more than one Purchase
Contract shall be surrendered for settlement at one time by the same Holder, the
number of full shares of Common Stock which shall be delivered upon settlement
shall be computed on the basis of the aggregate number of Purchase Contracts
evidenced by the Certificates so surrendered. Instead of any fractional share of
Common Stock which would otherwise be deliverable upon settlement of any
Purchase Contracts on the Purchase Contract Settlement Date or upon Early
Settlement, or with respect to the payment of Deferred Contract Adjustment
Payments on the Purchase Contract Settlement Date, the Company, through the
Agent, shall make a cash payment in respect of such fractional interest in an
amount equal to the value of such fractional shares times the Applicable Market
Value. The Company shall provide the Agent from time to time with sufficient
funds to permit the Agent to make all cash payments required by this Section
5.10 in a timely manner.

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Section 5.11.  Charges and Taxes.

         The Company will pay all stock transfer and similar taxes attributable
to the initial issuance and delivery of the shares of Common Stock pursuant to
the Purchase Contracts and in payment of any Deferred Contract Adjustment
Payments; provided, however, that the Company shall not be required to pay any
such tax or taxes which may be payable in respect of any exchange of or
substitution for a Certificate evidencing a Security or any issuance of a share
of Common Stock in a name other than that of the registered Holder of a
Certificate surrendered in respect of the Securities evidenced thereby, other
than in the name of the Agent, as custodian for such Holder, and the Company
shall not be required to issue or deliver such share certificates or
Certificates unless or until the Person or Persons requesting the transfer or
issuance thereof shall have paid to the Company the amount of such tax or shall
have established to the satisfaction of the Company that such tax has been paid
or that no such tax is due.

                                  ARTICLE VI

                                   Remedies

Section 6.1.   Unconditional Right of Holders to Receive Contract Adjustment
               Payments and to Purchase Common Stock.

         The Holder of any Corporate Units or Treasury Units shall have the
right, which is absolute and unconditional, (1) (subject to the right of the
Company to defer payment thereof pursuant to Section 5.3, and to the forfeiture
of any Deferred Contract Adjustment Payments upon Early Settlement pursuant to
Section 5.9(b) or upon the occurrence of a Termination Event), to receive
payment of each installment of the Contract Adjustment Payments, if any, with
respect to the Purchase Contract constituting a part of such Security on the
respective Payment Date for such Security, (2) to purchase Common Stock pursuant
to such Purchase Contract and, in each such case, to institute suit for the
enforcement of any such payment and right to purchase Common Stock, and such
rights shall not be impaired without the consent of such Holder.

Section 6.2.   Restoration of Rights and Remedies.

         If any Holder has instituted any proceeding to enforce any right or
remedy under this Agreement and such proceeding has been discontinued or
abandoned for

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any reason, or has been determined adversely to such Holder, then and in every
such case, subject to any determination in such proceeding, the Company and such
Holder shall be restored severally and respectively to their former positions
hereunder and thereafter all rights and remedies of such Holder shall continue
as though no such proceeding had been instituted.

Section 6.3.   Rights and Remedies Cumulative.

         Except as otherwise provided with respect to the replacement or payment
of mutilated, destroyed, lost or stolen Certificates in the last paragraph of
Section 3.10, no right or remedy herein conferred upon or reserved to the
Holders is intended to be exclusive of any other right or remedy, and every
right and remedy shall, to the extent permitted by law, be cumulative and in
addition to every other right and remedy given hereunder or now or hereafter
existing at law or in equity or otherwise. The assertion or employment of any
right or remedy hereunder, or otherwise, shall not prevent the concurrent
assertion or employment of any other appropriate right or remedy.

Section 6.4.   Delay or Omission Not Waiver.

         No delay or omission of any Holder to exercise any right or remedy upon
a default shall impair any such right or remedy or constitute a waiver of any
such right. Every right and remedy given by this Article or by law to the
Holders may be exercised from time to time, and as often as may be deemed
expedient, by such Holders.

Section 6.5.   Undertaking for Costs.

         All parties to this Agreement agree, and each Holder of Corporate Units
or Treasury Units, by its acceptance of such Corporate Units or Treasury Units
shall be deemed to have agreed, that any court may in its discretion require, in
any suit for the enforcement of any right or remedy under this Agreement, or in
any suit against the Agent for any action taken, suffered or omitted by it as
Agent, the filing by any party litigant in such suit of an undertaking to pay
the costs of such suit, and that such court may in its discretion assess
reasonable costs, including reasonable attorneys' fees, against any party
litigant in such suit, having due regard to the merits and good faith of the
claims or defenses made by such party litigant; provided that the provisions of
this Section shall not apply to any suit instituted by the Company, to any suit
instituted by the Agent, to any suit instituted by any Holder, or group of
Holders, holding in the aggregate more than 10% of the Outstanding Securities,
or to any suit instituted by any Holder for the enforcement of interest on any
Senior Notes or

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Contract Adjustment Payments, if any, on any Purchase Contract on or after the
respective Payment Date therefor in respect of any Security held by such Holder,
or for enforcement of the right to purchase shares of Common Stock under the
Purchase Contracts constituting part of any Security held by such Holder.

Section 6.6.   Waiver of Stay or Extension Laws.

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

                                  ARTICLE VII

                                   The Agent

Section 7.1.   Certain Duties and Responsibilities.

         (a)   (1)  The Agent undertakes to perform, with respect to the
Securities, such duties and only such duties as are specifically set forth in
this Agreement and the Pledge Agreement, and no implied covenants or obligations
shall be read into this Agreement or the Pledge Agreement against the Agent; and

               (2)  The Agent may, with respect to the Securities, conclusively
         rely, as to the truth of the statements and the correctness of the
         opinions expressed therein, upon certificates or opinions furnished to
         the Agent and conforming to the requirements of this Agreement or the
         Pledge Agreement, as applicable, but in the case of any certificates or
         opinions which by any provision hereof are specifically required to be
         furnished to the Agent, the Agent shall be under a duty to examine the
         same to determine whether or not they conform to the requirements of
         this Agreement or the Pledge Agreement, as applicable, but need not
         confirm or investigate the accuracy of mathematical calculations stated
         therein.

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         (b)   No provision of this Agreement shall be construed to relieve the
Agent from liability for its own negligent action, its own negligent failure to
act, or its own wilful misconduct or bad faith, except that

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

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

               (3)  no provision of this Agreement shall require the Agent 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.

         (c)   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 Agent shall be subject to the provisions of this
Section.

         (d)   The Agent is authorized to execute and deliver the Pledge
Agreement in its capacity as Agent.

Section 7.2.   Notice of Default.

         Upon the occurrence of any default by the Company hereunder of which a
Responsible Officer of the Agent has actual knowledge, the Agent shall transmit
by mail to the Company and not less than 30 days after such notice to the
Company has been so transmitted, shall transmit by mail to the Holders of
Securities, as their names and addresses appear in the Register, notice of such
default hereunder, unless such default shall have been cured or waived.

Section 7.3.   Certain Rights of Agent.

         Subject to the provisions of Section 7.1:

         (a)   the Agent 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, Senior Note, note,
other evidence of

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indebtedness or other paper or document believed by it to be genuine and to have
been signed or presented by the proper party or parties;

         (b)   any request or direction of the Company mentioned herein shall be
sufficiently evidenced by an Officer's Certificate, Issuer Order or Issuer
Request, and any resolution of the Board of Directors of the Company may be
sufficiently evidenced by a Board Resolution;

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

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

         (e)   the Agent 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, Senior Note,
note, other evidence of indebtedness or other paper or document, but the Agent,
in its discretion, may make reasonable further inquiry or investigation into
such facts or matters related to the execution, delivery and performance of the
Purchase Contracts as it may see fit, and, if the Agent shall determine to make
such further inquiry or investigation, it shall be given a reasonable
opportunity to examine the books, records and premises of the Company,
personally or by agent or attorney; and

         (f)   the Agent may execute any of the powers hereunder or perform any
duties hereunder either directly or by or through agents or attorneys or an
Affiliate and the Agent shall not be responsible for any misconduct or
negligence on the part of any agent or attorney or an Affiliate appointed with
due care by it hereunder.

Section 7.4.   Not Responsible for Recitals or Issuance of Securities.

         The recitals contained herein and in the Certificates shall be taken as
the statements of the Company and the Agent assumes no responsibility for their
accuracy. The Agent makes no representations as to the validity or sufficiency
of either this Agreement or of the Securities, or of the Pledge Agreement or the
Pledge.

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The Agent shall not be accountable for the use or application by the Company of
the proceeds in respect of the Purchase Contracts and shall not be responsible
for the perfection, priority or maintenance of any security interest created
under the Pledge Agreement.

Section 7.5.   May Hold Securities.

         Any Registrar or any other agent of the Company, or the Agent and its
Affiliates, in their individual or any other capacity, may become the owner or
pledgee of Securities and may otherwise deal with the Company, the Collateral
Agent or any other Person with the same rights it would have if it were not
Registrar or such other agent, or the Agent.

Section 7.6.   Money Held in Custody.

         Money held by the Agent in custody hereunder need not be segregated
from the other funds except to the extent required by law or provided herein.
The Agent shall be under no obligation to invest or pay interest on any money
received by it hereunder except as otherwise expressly provided herein or as
otherwise agreed in writing with the Company.

Section 7.7.   Compensation and Reimbursement.

         The Company agrees:

               (1)  to pay to the Agent from time to time such compensation for
         all services rendered by it hereunder as the parties shall agree from
         time to time in writing;

               (2)  except as otherwise expressly provided herein, to reimburse
         the Agent upon its request for all reasonable expenses, disbursements
         and advances incurred or made by the Agent in accordance with any
         provision of this Agreement (including the reasonable compensation and
         the expenses and disbursements of its agents and counsel), except any
         such expense, disbursement or advance as may be attributable to its
         negligence, willful misconduct or bad faith; and

               (3)  to indemnify the Agent and any predecessor Agent for, and to
         hold it harmless against, any loss, liability or expense, including
         taxes (other than taxes based upon, measured by or determined by the
         income of the

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         Agent) incurred without negligence, willful misconduct or bad faith on
         its part, arising out of or in connection with the acceptance or
         administration of its duties hereunder, including the costs and
         expenses of defending itself against any claim or liability in
         connection with the exercise or performance of any of its powers or
         duties hereunder.

         The provisions of this Section shall survive the termination of this
         Agreement.

Section 7.8.  Corporate Agent Required; Eligibility.

         There shall at all times be an Agent hereunder which shall be a
corporation organized and doing business under the laws of the United States of
America, any State thereof or the District of Columbia, authorized under such
laws to exercise corporate trust powers, having (or being a subsidiary of a bank
holding company having) a combined capital and surplus of at least $50,000,000,
subject to supervision or examination by Federal or State authority and having
an office in the Borough of Manhattan, The City of New York, if there be such a
corporation in the Borough of Manhattan, The City of New York, qualified and
eligible under this Article and willing to act on reasonable terms. If such
corporation publishes reports of condition at least annually, pursuant to law or
to the requirements of said supervising or examining authority, then for the
purposes of this Section, 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. If at any time the Agent shall cease to
be eligible in accordance with the provisions of this Section, it shall resign
immediately in the manner and with the effect hereinafter specified in this
Article. The provisions of this Section shall survive the termination of this
Agreement.

Section 7.9.  Resignation and Removal; Appointment of Successor.

        (a)   No resignation or removal of the Agent and no appointment of a
successor Agent pursuant to this Article shall become effective until the
acceptance of appointment by the successor Agent in accordance with the
applicable requirements of Section 7.10.

        (b)   The Agent may resign at any time by giving written notice thereof
to the Company 60 days prior to the effective date of such resignation. If the
instrument of acceptance by a successor Agent required by Section 7.10 shall not
have been delivered to the Agent within 30 days after the giving of such notice
of resignation,

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the resigning Agent may petition any court of competent jurisdiction for the
appointment of a successor Agent.

        (c)   The Agent may be removed at any time by Act of the Holders of a
majority in number of the Outstanding Securities delivered to the Agent and the
Company. If the instrument of acceptance by a successor Agent required by
Section 7.10 shall not have been delivered to the Agent within 30 days after
such removal, the Agent being removed may petition any court of competent
jurisdiction for the appointment of a successor Agent.

        (d)   If at any time

              (1) the Agent fails to comply with Section 310(b) of the TIA, as
        if the Agent were an indenture trustee under an indenture qualified
        under the TIA, after written request therefor by the Company or by any
        Holder who has been a bona fide Holder of a Security for at least six
        months, or

              (2) the Agent shall cease to be eligible under Section 7.8 and
        shall fail to resign after written request therefor by the Company or
        by any such Holder, or

              (3) the Agent shall become incapable of acting or shall be
        adjudged a bankrupt or insolvent or a receiver of the Agent or of its
        property shall be appointed or any public officer shall take charge or
        control of the Agent or of its property or affairs for the purpose of
        rehabilitation, conservation or liquidation,

then, in any such case, (i) the Company by a Board Resolution may remove the
Agent, or (ii) any Holder who has been a bona fide Holder of a Security for at
least six months may, on behalf of himself and all others similarly situated,
petition any court of competent jurisdiction for the removal of the Agent and
the appointment of a successor Agent.

        (e)   If the Agent shall resign, be removed or become incapable of
acting, or if a vacancy shall occur in the office of Agent for any cause, the
Company, by a Board Resolution, shall promptly appoint a successor Agent and
shall comply with the applicable requirements of Section 7.10. If no successor
Agent shall have been so appointed by the Company and accepted appointment in
the manner required by Section 7.10, any Holder who has been a bona fide Holder
of a Security for at least

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<PAGE>

six months may, on behalf of himself and all others similarly situated, petition
any court of competent jurisdiction for the appointment of a successor Agent.

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

Section 7.10.  Acceptance of Appointment by Successor.

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

          (b)  Upon request of any such successor Agent, the Company shall
execute any and all instruments for more fully and certainly vesting in and
confirming to such successor Agent all such rights, powers and agencies referred
to in paragraph (a) of this Section.

          (c)  No successor Agent shall accept its appointment unless at the
time of such acceptance such successor Agent shall be qualified and eligible
under this Article.

Section 7.11.  Merger, Conversion, Consolidation or Succession to Business.

          Any corporation into which the Agent may be merged or converted or
with which it may be consolidated, or any corporation resulting from any merger,
conversion or consolidation to which the Agent shall be a party, or any
corporation succeeding to all or substantially all the corporate trust business
of the Agent, shall be the successor of the Agent hereunder, provided such
corporation shall be otherwise

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<PAGE>

qualified and eligible under this Article, without the execution or filing of
any paper or any further act on the part of any of the parties hereto. In case
any Certificates shall have been authenticated and executed on behalf of the
Holders, but not delivered, by the Agent then in office, any successor by
merger, conversion or consolidation to such Agent may adopt such authentication
and execution and deliver the Certificates so authenticated and executed with
the same effect as if such successor Agent had itself authenticated and executed
such Securities.

Section 7.12. Preservation of Information; Communications to Holders.

        (a)   The Agent shall preserve, in as current a form as is reasonably
practicable, the names and addresses of Holders received by the Agent in its
capacity as Registrar.

        (b)   If three or more Holders (herein referred to as "applicants")
apply in writing to the Agent, and furnish to the Agent reasonable proof that
each such applicant has owned a Security for a period of at least six months
preceding the date of such application, and such application states that the
applicants desire to communicate with other Holders with respect to their rights
under this Agreement or under the Securities and is accompanied by a copy of the
form of proxy or other communication which such applicants propose to transmit,
then the Agent shall mail to all the Holders copies of the form of proxy or
other communication which is specified in such request, with reasonable
promptness after a tender to the Agent of the materials to be mailed and of
payment, or provision for the payment, of the reasonable expenses of such
mailing.

Section 7.13. No Obligations of Agent.

        Except to the extent otherwise provided in this Agreement, the Agent
assumes no obligations and shall not be subject to any liability under this
Agreement, the Pledge Agreement or any Purchase Contract in respect of the
obligations of the Holder of any Security thereunder. The Company agrees, and
each Holder of a Certificate, by his acceptance thereof, shall be deemed to have
agreed, that the Agent's execution of the Certificates on behalf of the Holders
shall be solely as agent and attorney-in-fact for the Holders, and that the
Agent shall have no obligation to perform such Purchase Contracts on behalf of
the Holders, except to the extent expressly provided in Article V hereof.

        Notwithstanding anything in this Agreement to the contrary, in no event
shall the Agent or its officers, employees or agents be liable for indirect,
special, punitive

                                      79
<PAGE>

or consequential loss or damage of any kind whatsoever, including, but not
limited to, lost profits, whether or not the likelihood of such loss or damage
was known to the Agent and regardless of the form of action.

Section 7.14.  Tax Compliance.

        (a)    The Agent will comply with all applicable certification,
information reporting and withholding (including "backup" withholding)
requirements imposed by applicable tax laws, regulations or administrative
practice with respect to (i) any payments made with respect to the Securities or
(ii) based on consultation with the Company the issuance, delivery, holding,
transfer, redemption or exercise of rights under the Securities. Such compliance
shall include, without limitation, the preparation and timely filing of required
returns and the timely payment of all amounts required to be withheld to the
appropriate taxing authority or its designated agent.

        (b)    The Agent shall comply with any written direction received from
the Company with respect to the application of such requirements to particular
payments or Holders or in other particular circumstances, and may for purposes
of this Agreement rely on any such direction in accordance with the provisions
of Section 7.1(a)(2) hereof.

        (c)    The Agent shall maintain all appropriate records documenting
compliance with such requirements, and shall make such records available, on
written request, to the Company or its authorized representative within a
reasonable period of time after receipt of such request.

                                 ARTICLE VIII

                            Supplemental Agreements

Section 8.1.   Supplemental Agreements Without Consent of Holders.

        Without the consent of any Holders, the Company by or pursuant to a
Board Resolution and the Agent, at any time and from time to time, may enter
into one or more agreements supplemental hereto, in form satisfactory to the
Company and the Agent, for any of the following purposes:

                                      80
<PAGE>

                  (1)   to evidence the succession of another Person to the
         Company, and the assumption by any such successor of the covenants of
         the Company herein and in the Certificates; or

                  (2)   to add to the covenants of the Company for the benefit
         of the Holders, or to surrender any right or power herein conferred
         upon the Company; or

                  (3)   to evidence and provide for the acceptance of
         appointment hereunder by a successor Agent; or

                  (4)   to make provision with respect to the rights of Holders
         pursuant to the requirements of Section 5.6(b); or

                  (5)   to cure any ambiguity, to correct or supplement any
         provisions herein which may be inconsistent with any other provisions
         herein, or to make any other provisions with respect to such matters or
         questions arising under this Agreement, provided such action shall not
         adversely affect the interests of the Holders in any material respect.

   Section 8.2.   Supplemental Agreements with Consent of Holders.

         With the consent of the Holders of not less than a majority of the
outstanding Purchase Contracts voting together as one class, by Act of said
Holders delivered to the Company and the Agent, the Company, when authorized by
or pursuant to a Board Resolution, and the Agent may enter into an agreement or
agreements supplemental hereto for the purpose of modifying in any manner the
terms of the Purchase Contracts or the provisions of this Agreement or the
rights of the Holders in respect of the Securities (other than the Senior Notes,
which may be modified only in accordance with the applicable provisions of the
Indenture); provided, however, that, except as contemplated herein, no such
supplemental agreement shall, without the consent of the Holder of each
Outstanding Security affected thereby,

                  (1)   change any Payment Date;

                  (2)   change the amount or the type of Collateral required to
         be Pledged to secure a Holder's obligations under any Purchase
         Contract, impair the right of the Holder of any Purchase Contract to
         receive distributions on the related Collateral or otherwise adversely
         affect the Holder's rights in or to such Collateral or adversely alter
         the rights in or to such Collateral;

                                      81
<PAGE>

             (3) reduce any Contract Adjustment Payments, if any, or any
     Deferred Contract Adjustment Payment, or change any place where, or the
     coin or currency in which, any Contract Adjustment Payment is payable;

             (4) impair the right to institute suit for the enforcement of any
     Purchase Contract, any Contract Adjustment Payment, if any, or any Deferred
     Contract Adjustment Payment, if any;

             (5) reduce the number of shares of Common Stock (or the amount of
     any other property) to be purchased pursuant to any Purchase Contract,
     increase the price to purchase shares of Common Stock (or any other
     property) upon settlement of any Purchase Contract, change the Purchase
     Contract Settlement Date or otherwise adversely affect the Holder's rights
     under any Purchase Contract; or

             (6) reduce the percentage of the outstanding Purchase Contracts the
     consent of whose Holders is required for any such supplemental agreement;

provided, that if any amendment or proposal referred to above would adversely
affect only the Corporate Units or the Treasury Units, then only the affected
class of Holders as of the record date, if any, for holders entitled to vote
thereon will be entitled to vote on such amendment or proposal, and such
amendment or proposal shall not be effective except with the consent of Holders
of not less than a majority of such class or the Holders of each affected
Outstanding Security within such class, as applicable.

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

Section 8.3. Execution of Supplemental Agreements.

     In executing, or accepting the additional agencies created by, any
supplemental agreement permitted by this Article or the modifications thereby of
the agencies created by this Agreement, the Agent shall be entitled to receive
and (subject to Section 7.1) shall be fully protected in relying upon, an
Opinion of Counsel stating that the execution of such supplemental agreement is
authorized or permitted by this Agreement. The Agent may, but shall not be
obligated to, enter into any such supplemental agreement which affects the
Agent's own rights, duties or immunities under this Agreement or otherwise.

                                      82
<PAGE>

Section 8.4.  Effect of Supplemental Agreements.

        Upon the execution of any supplemental agreement under this Article,
this Agreement and the Securities shall be modified in accordance therewith, and
such supplemental agreement shall form a part of this Agreement for all
purposes; and every Holder of Certificates theretofore or thereafter
authenticated, executed on behalf of the Holders and delivered hereunder shall
be bound thereby.

Section 8.5.  Reference to Supplemental Agreements.

        Certificates authenticated, executed on behalf of the Holders and
delivered after the execution of any supplemental agreement pursuant to this
Article may, and shall if required by the Agent, bear a notation in form
approved by the Agent as to any matter provided for in such supplemental
agreement. If the Company shall so determine, new Certificates so modified as to
conform, in the opinion of the Agent and the Company, to any such supplemental
agreement may be prepared and executed by the Company and authenticated,
executed on behalf of the Holders and delivered by the Agent in exchange for
Outstanding Certificates.

                                  ARTICLE IX

                   Consolidation, Merger, Sale or Conveyance

Section 9.1.  Covenant Not to Merge, Consolidate, Sell or Convey Property Except
              Under Certain Conditions.

        The Company covenants that it will not merge with and into, consolidate
with or convert into any other Person or sell, assign, transfer, lease or convey
all or substantially all of its properties and assets to any Person, unless (i)
either the Company shall be the continuing corporation, or the successor shall
be a Person organized and existing under the laws of the United States of
America or a State thereof or the District of Columbia and such Person shall
expressly assume all the obligations of the Company under the Purchase
Contracts, this Agreement, the Remarketing Agreement and the Pledge Agreement by
one or more supplemental agreements in form reasonably satisfactory to the Agent
and the Collateral Agent, executed and delivered to the Agent and/or the
Collateral Agent, as the case may be, by such Person, and (ii) the Company or
such successor Person, as the case may be, shall not, immediately after such
merger, conversion or consolidation, or such sale, assignment, transfer, lease
or conveyance, be in default of its payment obligations

                                      83
<PAGE>

under this Agreement, the Remarketing Agreement, any Purchase Contracts or the
Pledge Agreement in material default in the performance of any other covenant
hereunder or thereunder.

Section 9.2.  Rights and Duties of Successor Corporation.

        In case of any such consolidation, conversion, merger, sale,
assignment, transfer, lease or conveyance and upon any such assumption by a
successor Person in accordance with Section 9.1, such successor Person shall
succeed to and be substituted for the Company with the same effect as if it had
been named herein as the Company, and its predecessor shall, except in the case
of a lease, be released from its obligations under this Agreement. Such
successor Person thereupon may cause to be signed, and may issue in its own name
any or all of the Certificates evidencing Securities issuable hereunder which
theretofore shall not have been signed by the Company and delivered to the
Agent; and, upon the order of such successor corporation, instead of the
Company, and subject to all the terms, conditions and limitations in this
Agreement prescribed, the Agent shall authenticate and execute on behalf of the
Holders and deliver any Certificates which previously shall have been signed and
delivered by the officers of the Company to the Agent for authentication and
execution, and any Certificate evidencing Securities which such successor
corporation thereafter shall cause to be signed and delivered to the Agent for
that purpose. All the Certificates so issued shall in all respects have the same
legal rank and benefit under this Agreement as the Certificates theretofore or
thereafter issued in accordance with the terms of this Agreement as though all
of such Certificates had been issued at the date of the execution hereof.

        In case of any such consolidation, conversion, merger, sale, assignment,
transfer, lease or conveyance, such change in phraseology and form (but not in
substance) may be made in the Certificates evidencing Securities thereafter to
be issued as may be appropriate.

Section 9.3.  Opinion of Counsel Given to Agent.

        The Agent, subject to Sections 7.1 and 7.3, shall receive an Opinion of
Counsel as conclusive evidence that any such consolidation, conversion, merger,
sale, assignment, transfer, lease or conveyance, and any such assumption,
complies with the provisions of this Article and that all conditions precedent
hereunder to the consummation of any such consolidation, conversion, merger,
sale, assignment, transfer, lease or conveyance have been met.

                                      84
<PAGE>

                                   ARTICLE X

                                   Covenants

Section 10.1. Performance Under Purchase Contracts.

        The Company covenants and agrees for the benefit of the Holders from
time to time of the Securities that it will duly and punctually perform its
obligations under the Purchase Contracts in accordance with the terms of the
Purchase Contracts and this Agreement.

Section 10.2. Maintenance of Office or Agency.

        The Company will maintain or cause to be maintained in the Borough of
Manhattan, The City of New York an office or agency (a "New York Office") where
Certificates may be presented or surrendered for payment and for acquisition of
shares of Common Stock (or other property) upon settlement of the Purchase
Contracts on the Purchase Contract Settlement Date or Early Settlement and for
transfer of Collateral upon occurrence of a Termination Event, where
Certificates may be surrendered for registration of transfer or exchange, for a
Collateral Substitution or re-establishment of a Corporate Unit and where
notices and demands to or upon the Company in respect of the Securities and this
Agreement may be served. The Company will give prompt written notice to the
Agent of the location, and any change in the location, of such office or agency.
If at any time the Company shall fail to maintain any such required office or
agency or shall fail to furnish the Agent with the address thereof, such
presentations, surrenders, notices and demands may be made or served at the
Corporate Trust Office, and the Company hereby appoints the Agent as its agent
to receive all such presentations, surrenders, notices and demands.

        The Company may also from time to time designate one or more other
offices or agencies where Certificates may be presented or surrendered for any
or all such purposes and may from time to time rescind such designations;
provided, however, that no such designation or rescission shall in any manner
relieve the Company of its obligation to maintain an office or agency in the
Borough of Manhattan, The City of New York for such purposes. The Company will
give prompt written notice to the Agent of any such designation or rescission
and of any change in the location of any such other office or agency.

        The Company hereby designates the Borough of Manhattan, the City of New
York, as the places of payment for the Securities, and hereby appoints the
Agent,

                                      85

<PAGE>

acting through its Corporate Trust Office, as the registrar, paying agent and
transfer agent for the Corporate Units and the Treasury Units and for the other
purposes contemplated by this Section 10.2.

Section 10.3.  Company to Reserve Common Stock.

         The Company shall at all times prior to the Purchase Contract
Settlement Date reserve and keep available, free from preemptive rights, out of
its authorized but unissued Common Stock the full number of shares of Common
Stock issuable against tender of payment in respect of all Purchase Contracts
constituting a part of the Securities evidenced by Outstanding Certificates.

Section 10.4.  Covenants as to Common Stock.

         The Company covenants that all shares of Common Stock which may be
issued against tender of payment in respect of any Purchase Contract
constituting a part of the Outstanding Securities will, upon issuance, be duly
authorized, validly issued, fully paid and nonassessable. The Company shall
comply, in all material respects, with all applicable securities laws regulating
the offer, issuance and delivery of shares of Common Stock upon settlement of
Purchase Contracts and will endeavor to list such shares on each national
securities exchange or automated quotation system on which the Common Stock is
then listed.

                                      86
<PAGE>

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

                                          DUKE ENERGY CORPORATION

                                          By:____________________________
                                          Name:

                                          Title:

                                          By:____________________________
                                          Name:

                                          Title:

                                          THE CHASE MANHATTAN BANK
                                          as Purchase Contract Agent

                                          By:____________________________
                                          Name:

                                          Title:
<PAGE>

                                   EXHIBIT A

                 (Form of Face of Corporate Units Certificate)

         [THIS CERTIFICATE IS A GLOBAL CERTIFICATE WITHIN THE MEANING OF THE
PURCHASE CONTRACT AGREEMENT (AS HEREINAFTER DEFINED) AND IS REGISTERED IN THE
NAME OF THE CLEARING AGENCY OR A NOMINEE THEREOF. THIS CERTIFICATE MAY NOT BE
EXCHANGED IN WHOLE OR IN PART FOR A CERTIFICATE REGISTERED, AND NO TRANSFER OF
THIS CERTIFICATE IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY
PERSON OTHER THAN SUCH CLEARING AGENCY OR A NOMINEE THEREOF, EXCEPT IN THE
LIMITED CIRCUMSTANCES DESCRIBED IN THE PURCHASE CONTRACT AGREEMENT.

         UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) TO THE
COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY
CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO., OR SUCH OTHER NAME
AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY,
AND ANY PAYMENT HEREON IS MADE TO CEDE & CO., ANY TRANSFER, PLEDGE OR OTHER USE
HEREOF FOR VALUE OR OTHERWISE BY A PERSON IS WRONGFUL SINCE THE REGISTERED OWNER
HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.]/1/

No. _____                                                     CUSIP No.________
Number of Corporate Units _______

                             ____% Corporate Units

         This Corporate Units Certificate certifies that ___________ is the
registered Holder of the number of Corporate Units set forth above. Each
Corporate Unit represents (i) either (a) beneficial ownership by the Holder of
$25 principal amount of ____% Senior Notes due 2006 (the "Senior Note") of Duke
Capital Corporation, a

________________________

/1/      To be inserted in Global Certificates only.
<PAGE>

Delaware corporation, subject to the Pledge of such Senior Note by such Holder
pursuant to the Pledge Agreement or (b) upon the occurrence of a Tax Event
Redemption prior to the Purchase Contract Settlement Date or a Successful
Initial Remarketing, the appropriate Applicable Ownership Interest of the
Treasury Portfolio, subject to the Pledge of such Applicable Ownership Interest
of the Treasury Portfolio by such Holder pursuant to the Pledge Agreement, and
(ii) the rights and obligations of the Holder under one Purchase Contract with
Duke Energy Corporation, a North Carolina corporation (the "Company," which
term, as used herein, includes its successors pursuant to the Purchase Contract
Agreement). All capitalized terms used herein which are defined in the Purchase
Contract Agreement have the meaning set forth therein.

         Pursuant to the Pledge Agreement, the Senior Notes or the appropriate
Applicable Ownership Interest of the Treasury Portfolio, as the case may be,
constituting part of each Corporate Unit evidenced hereby have been pledged to
the Collateral Agent, for the benefit of the Company, to secure the obligations
of the Holder under the Purchase Contract comprising a portion of such Corporate
Unit.

         The Pledge Agreement provides that all payments of principal on the
pledged Senior Notes or the appropriate Applicable Ownership Interest (as
specified in clause (A) of the definition of such term) of the Treasury
Portfolio, as the case may be, or interest payments on any pledged Senior Notes
(as defined in the Pledge Agreement) or the appropriate Applicable Ownership
Interest (as specified in clause (B) of the definition of such term) of the
Treasury Portfolio, as the case may be, constituting part of the Corporate Units
received by the Collateral Agent shall be paid by the Collateral Agent by wire
transfer in same day funds (i) in the case of (A) interest payments with respect
to pledged Senior Notes or the appropriate Applicable Ownership Interest (as
specified in clause (B) of the definition of such term) of the Treasury
Portfolio, as the case may be, and (B) any payments of principal or the
appropriate Applicable Ownership Interest (as specified in clause (A) of the
definition of such terms) of the Treasury Portfolio, as the case may be, with
respect to any Senior Notes or the appropriate Applicable Ownership Interest of
the Treasury Portfolio, as the case may be, that have been released from the
Pledge pursuant to the Pledge Agreement, to the Agent to the account designated
by the Agent, no later than 2:00 p.m., New York City time, on the Business Day
such payment is received by the Collateral Agent (provided that in the event
such payment is received by the Collateral Agent on a day that is not a Business
Day or after 12:30 p.m., New York City time, on a Business Day, then such
payment shall be made no later than 10:30 a.m., New York City time, on the next
succeeding Business Day) and (ii) in the case of payments of principal on any
pledged Senior Notes or the appropriate Applicable

                                      A-2
<PAGE>

Ownership Interest (as specified in clause (A) of the definition of such term)
of the Treasury Portfolio that has not been released from the Pledge pursuant to
the Pledge Agreement, as the case may be, to the Company on the Purchase
Contract Settlement Date (as defined herein) in accordance with the terms of the
Pledge Agreement, in full satisfaction of the respective obligations of the
Holders of the Corporate Units of which such pledged Senior Notes or the
Treasury Portfolio, as the case may be, are a part under the Purchase Contracts
forming a part of such Corporate Units. Interest on any Senior Notes or
distributions on the appropriate Applicable Ownership Interest (as specified in
clause (B) of the definition of such term) of the Treasury Portfolio, as the
case may be, forming part of a Corporate Unit evidenced hereby which are payable
quarterly in arrears on _________, _________, _________ and _________, each
year, commencing _________, 2001 (a "Payment Date"), shall, subject to receipt
thereof from the Collateral Agent, be paid to the Person in whose name this
Corporate Units Certificate (or a Predecessor Corporate Units Certificate) is
registered at the close of business on the Record Date for such Payment Date.

         Each Purchase Contract evidenced hereby obligates the Holder of this
Corporate Units Certificate to purchase, and the Company to sell, on
_______________, 2004 (the "Purchase Contract Settlement Date"), at a price
equal to $25 (the "Stated Amount"), a number of newly issued shares of Common
Stock, no par value ("Common Stock"), of the Company equal to the Settlement
Rate, unless on or prior to the Purchase Contract Settlement Date there shall
have occurred a Termination Event or an Early Settlement with respect to the
Corporate Units of which such Purchase Contract is a part, all as provided in
the Purchase Contract Agreement and more fully described on the reverse hereof.
The purchase price (the "Purchase Price") for the shares of Common Stock
purchased pursuant to each Purchase Contract evidenced hereby, if not paid
earlier, shall be paid on the Purchase Contract Settlement Date by application
of (1) cash received from a Holder or (2) payment received in respect of the
Senior Notes or the appropriate Applicable Ownership Interest (as specified in
clause (A) of the definition of such term) of the Treasury Portfolio, as the
case may be, pledged to secure the obligations under such Purchase Contract of
the Holder of the Corporate Units of which such Purchase Contract is a part.

         Interest on the Senior Notes or distributions on the appropriate
Applicable Ownership Interest (as specified in clause (B) of the definition of
such term) of the Treasury Portfolio, as the case may be, will be payable at the
Corporate Trust Office of the Agent and at the New York Office or, at the option
of the Company, by check mailed to the address of the Person entitled thereto as
such address appears on the

                                      A-3
<PAGE>

Corporate Units Register or by wire transfer to the account designated by a
prior written notice from such Person.

         The Company shall pay on each Payment Date in respect of each Purchase
Contract forming part of a Corporate Unit evidenced hereby an amount (the
"Contract Adjustment Payments") equal to __% per annum of the Stated Amount,
computed on the basis of a 360-day year of twelve 30 day months, subject to
deferral at the option of the Company as provided in the Purchase Contract
Agreement and more fully described on the reverse hereof. Such Contract
Adjustment Payments, if any, shall be payable to the Person in whose name this
Corporate Units Certificate (or a Predecessor Corporate Units Certificate) is
registered at the close of business on the Record Date for such Payment Date.

         Contract Adjustment Payments, if any, will be payable at the Corporate
Trust Office of the Agent and at the New York Office or, at the option of the
Company, by check mailed to the address of the Person entitled thereto as such
address appears on the Corporate Units Register.

         Reference is hereby made to the further provisions set forth on the
reverse hereof, which further provisions shall for all purposes have the same
effect as if set forth at this place.

         Unless the certificate of authentication hereon has been executed by
the Agent by manual signature, this Corporate Units Certificate shall not be
entitled to any benefit under the Pledge Agreement or the Purchase Contract
Agreement or be valid or obligatory for any purpose.

                                      A-4
<PAGE>

         IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed.

                             DUKE ENERGY CORPORATION

                             By:_______________________________________
                                Name:
                                Title:

                             By:_______________________________________
                                Name:
                                Title:

                             HOLDER SPECIFIED ABOVE (as to
                             obligations of such Holder under the
                             Purchase Contracts evidenced hereby)

                             By: THE CHASE MANHATTAN BANK,
                                 not individually but solely as attorney-in-fact
                                 of such Holder

                             By:_______________________________________
                                           Authorized Officer

Dated:
<PAGE>

                     AGENT'S CERTIFICATE OF AUTHENTICATION

         This is one of the Corporate Units Certificates referred to in the
within mentioned Purchase Contract Agreement.

                                    By:   THE CHASE MANHATTAN BANK
                                          as Purchase Contract Agent

                                    By:________________________________
                                              Authorized Officer

Dated:

                                      A-6
<PAGE>

               (Form of Reverse of Corporate Units Certificate)

         Each Purchase Contract evidenced hereby is governed by a Purchase
Contract Agreement, dated as of March __, 2001 (as may be supplemented from time
to time, the "Purchase Contract Agreement"), between the Company and The Chase
Manhattan Bank, as Purchase Contract Agent (including its successors thereunder,
herein called the "Agent"), to which Purchase Contract Agreement and
supplemental agreements thereto reference is hereby made for a description of
the respective rights, limitations of rights, obligations, duties and immunities
thereunder of the Agent, the Company and the Holders and of the terms upon which
the Corporate Units Certificates are, and are to be, executed and delivered. In
the case of any inconsistency between this Certificate and the terms of the
Purchase Contract Agreement, the terms of the Purchase Contract Agreement shall
prevail.

         Each Purchase Contract evidenced hereby obligates the Holder of this
Corporate Units Certificate to purchase, and the Company to sell, on the
Purchase Contract Settlement Date at a price equal to the Purchase Price, a
number of newly issued shares of Common Stock of the Company equal to the
Settlement Rate, unless, on or prior to the Purchase Contract Settlement Date,
there shall have occurred a Termination Event or an Early Settlement with
respect to the Security of which such Purchase Contract is a part. The
"Settlement Rate" is equal to (a) if the Applicable Market Value (as defined
below) is equal to or greater than $______ (the "Threshold Appreciation Price"),
______ shares of Common Stock per Purchase Contract, (b) if the Applicable
Market Value is less than the Threshold Appreciation Price but is greater than
$_______, the number of shares of Common Stock per Purchase Contract equal to
the Stated Amount divided by the Applicable Market Value and (c) if the
Applicable Market Value is less than or equal to $_______, _______ shares of
Common Stock per Purchase Contract, in each case subject to adjustment as
provided in the Purchase Contract Agreement. No fractional shares of Common
Stock will be issued upon settlement of Purchase Contracts, as provided in the
Purchase Contract Agreement.

         Each Purchase Contract evidenced hereby which is settled either through
Early Settlement or Cash Settlement shall obligate the Holder of the related
Corporate Units to purchase at the Purchase Price, and the Company to sell, a
number of newly issued shares of Common Stock equal to the Early Settlement Rate
or the Settlement Rate, as applicable.

                                      A-7
<PAGE>

         The "Applicable Market Value" means the average of the Closing Price
per share of Common Stock on each of the 20 consecutive Trading Days ending on
the third Trading Day immediately preceding the Purchase Contract Settlement
Date or, for purposes of determining cash payable in lieu of factional shares in
connection with an Early Settlement, the third Trading Day immediately preceding
the relevant Early Settlement Date. The "Closing Price" of the Common Stock on
any date of determination means the closing sale price (or, if no closing price
is reported, the last reported sale price) of the Common Stock on The New York
Stock Exchange, Inc. (the "NYSE") on such date or, if the Common Stock is not
listed for trading on the NYSE on any such date, as reported in the composite
transactions for the principal United States securities exchange on which the
Common Stock is so listed, or if the Common Stock is not so listed on a United
States national or regional securities exchange, the last closing sales price on
and as reported by the Nasdaq National Market, or, if the Common Stock is not so
reported, the last quoted bid price for the Common Stock in the over-the-counter
market as reported by the National Quotation Bureau or similar organization, or,
if such bid price is not available, the market value of the Common Stock on such
date as determined by a nationally recognized independent investment banking
firm retained for this purpose by the Company. A "Trading Day" means a day on
which the Common Stock (A) is not suspended from trading on any national or
regional securities exchange or association or over-the-counter market at the
close of business and (B) has traded at least once on the national or regional
securities exchange or association or over-the-counter market that is the
primary market for the trading of the Common Stock.

         In accordance with the terms of the Purchase Contract Agreement, the
Holder of this Corporate Units Certificate shall pay the Purchase Price for the
shares of Common Stock purchased pursuant to each Purchase Contract evidenced
hereby by effecting a Cash Settlement or an Early Settlement or from the
Proceeds of a remarketing of the related pledged Senior Notes of such holders or
of the appropriate Applicable Ownership Interest of the Treasury Portfolio.
Unless a Tax Event Redemption or a Successful Initial Remarketing has occurred,
a Holder of Corporate Units who does not elect to make an effective (1) Cash
Settlement on or prior to 5:00 p.m., New York City time, on the fifth Business
Day immediately preceding the Purchase Contract Settlement Date, or (2) Early
Settlement on or prior to 5:00 p.m. New York City time, on the fifth Business
Day immediately preceding the Purchase Contract Settlement Date, shall pay the
Purchase Price for the shares of Common Stock to be issued under the related
Purchase Contract from the Proceeds of the sale of the related pledged Senior
Notes held by the Collateral Agent. Unless a Tax Event Redemption or a
Successful Initial Remarketing has occurred, such sale will be made by the
Remarketing Agent pursuant to the terms of the Remarketing Agreement and

                                      A-8
<PAGE>

any supplemental remarketing agreement executed in connection therewith between
the parties thereto, on the third Business Day immediately preceding the
Purchase Contract Settlement Date. If a Tax Event Redemption or a Successful
Initial Remarketing has occurred, a Holder of Corporate Units who does not elect
to make an effective Early Settlement on or prior to 5:00 p.m. New York City
time, on the second Business Day immediately preceding the Purchase Contract
Settlement Date shall pay the Purchase Price with the Proceeds at maturity of
the Applicable Ownership Interest (as defined in clause (A) of the definition of
such term) of the Treasury Portfolio.

     The Company shall not be obligated to issue any shares of Common Stock in
respect of a Purchase Contract or deliver any certificates therefor to the
Holder unless it shall have received payment in full of the aggregate Purchase
Price for the shares of Common Stock to be purchased thereunder in the manner
herein set forth.

     Under the terms of the Pledge Agreement, the Agent will be entitled to
exercise the voting and any other consensual rights pertaining to the pledged
Senior Notes. Upon receipt of notice of any meeting at which holders of Senior
Notes are entitled to vote or upon the solicitation of consents, waivers or
proxies of holders of Senior Notes, the Agent shall, as soon as practicable
thereafter, mail to the Corporate Units holders a notice (a) containing such
information as is contained in the notice or solicitation, (b) stating that each
Corporate Units holder on the record date set by the Agent therefor (which, to
the extent possible, shall be the same date as the record date for determining
the holders of Senior Notes entitled to vote) shall be entitled to instruct the
Agent as to the exercise of the voting rights pertaining to the Senior Notes
constituting a part of such holder's Corporate Units and (c) stating the manner
in which such instructions may be given. Upon the written request of the
Corporate Units Holders on such record date, the Agent shall endeavor insofar as
practicable to vote or cause to be voted, in accordance with the instructions
set forth in such requests, the maximum number of Senior Notes as to which any
particular voting instructions are received. In the absence of specific
instructions from the Holder of a Corporate Unit, the Agent shall abstain from
voting the Senior Notes evidenced by such Corporate Units.

     Upon the occurrence of a Tax Event Redemption prior to the Purchase
Contract Settlement Date, pursuant to the terms of the Pledge Agreement, the
Collateral Agent will apply, out of the aggregate Redemption Price for the
Senior Notes that are components of Corporate Units, an amount equal to the
aggregate Redemption Amount for the Senior Notes that are components of
Corporate Units to purchase on behalf of the Holders of Corporate Units, the
Treasury Portfolio and, after deducting the Remarketing Fee to the extent
permitted under the terms of the

                                      A-9
<PAGE>

Remarketing Agreement, promptly remit the remaining portion of such Redemption
Price to the Agent for payment to the Holders of such Corporate Units.

     Upon the occurrence of a Successful Initial Remarketing, pursuant to the
terms of the Remarketing Agreement, the Remarketing Agent will apply an amount
equal to the Treasury Portfolio Purchase Price to purchase on behalf of the
Holders of Corporate Units, the Treasury Portfolio, and, after deducting the
Remarketing Fee to the extent permitted under the terms of the Remarketing
Agreement, promptly remit the remaining portion of such Proceeds of the
Successful Initial Remarketing to the Agent for payment to the Holders of such
Corporate Units.

     Following the occurrence of a Tax Event Redemption prior to the Purchase
Contract Settlement Date or following a Successful Initial Remarketing, the
Holders of Corporate Units and the Collateral Agent shall have such security
interests, rights and obligations with respect to the Treasury Portfolio as the
Holder of Corporate Units and the Collateral Agent had in respect of the Senior
Notes, as the case may be, subject to the Pledge thereof as provided in Articles
2, 3, 4, 5 and 6 of the Pledge Agreement and any reference herein to the Senior
Notes shall be deemed to be a reference to such Treasury Portfolio and any
reference herein or in the Certificates to interest on the Senior Notes shall be
deemed to be a reference to corresponding distributions on the Treasury
Portfolio.

     The Corporate Units Certificates are issuable only in registered form and
only in denominations of a single Corporate Unit and any integral multiple
thereof. The transfer of any Corporate Units Certificate will be registered and
Corporate Units Certificates may be exchanged as provided in the Purchase
Contract Agreement. The Corporate Units Registrar may require a Holder, among
other things, to furnish appropriate endorsements and transfer documents
permitted by the Purchase Contract Agreement. No service charge shall be
required for any such registration of transfer or exchange, but the Company and
the Agent may require payment of a sum sufficient to cover any tax or other
governmental charge payable in connection therewith. A Holder who elects to
substitute Treasury Securities for Senior Notes or the appropriate Applicable
Ownership Interest of the Treasury Portfolio, thereby creating Treasury Units,
shall be responsible for any fees or expenses payable in connection therewith.
Except as provided in the Purchase Contract Agreement, for so long as the
Purchase Contract underlying a Corporate Unit remains in effect, such Corporate
Units shall not be separable into its constituent parts, and the rights and
obligations of the Holder of such Corporate Units in respect of Senior Notes or
the appropriate Applicable Ownership Interest of the Treasury Portfolio, as the
case may be, and the Purchase Contract constituting such Corporate Units may be
transferred and

                                     A-10
<PAGE>

exchanged only as a Corporate Unit. A Holder of a Corporate Unit may create a
Treasury Unit by delivering to the Collateral Agent Treasury Securities in an
aggregate principal amount equal to the aggregate principal amount of the
pledged Senior Notes or the appropriate Applicable Ownership Interest (as
specified in clause (A) of the definition of such term) of the Treasury
Portfolio, as the case may be, in exchange for the release of such pledged
Senior Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be, in accordance with the terms of the Purchase
Contract Agreement and the Pledge Agreement. From and after such Collateral
Substitution, the Security for which such pledged Treasury Securities secures
the Holder's obligation under the Purchase Contract shall be referred to as a
"Treasury Unit." A Holder may make such Collateral Substitution only in integral
multiples of 40 Corporate Units for 40 Treasury Units; provided, however, that
                                                       --------  -------
if a Tax Event Redemption or a Successful Initial Remarketing has occurred and
the Treasury Portfolio has become a component of the Corporate Units, a Holder
may make such Collateral Substitutions only in integral multiples of ____
Corporate Units for ____ Treasury Units. Such Collateral Substitution may cause
the equivalent aggregate Stated Amount of this Certificate to be increased or
decreased; provided, however, the equivalent aggregate Stated Amount outstanding
           --------  -------
under this Corporate Units Certificate shall not exceed $____________. [All such
adjustments to the equivalent aggregate Stated Amount of this Corporate Units
Certificate shall be duly recorded by placing an appropriate notation on the
Schedule attached hereto.]/2/

     A Holder of Treasury Units may recreate Corporate Units by delivering to
the Collateral Agent Senior Notes or the appropriate Applicable Ownership
Interest of the Treasury Portfolio, with an aggregate principal amount, in the
case of such Senior Notes, or with the appropriate Applicable Ownership Interest
(as specified in clause (A) of the definition of such term) of the Treasury
Portfolio, in the case of such appropriate Applicable Ownership Interest of the
Treasury Portfolio, equal to the aggregate principal amount of the pledged
Treasury Securities in exchange for the release of such pledged Treasury
Securities in accordance with the terms of the Purchase Contract Agreement and
the Pledge Agreement. Any such recreation of a Corporate Unit may be effected
only in multiples of 40 Treasury Units for 40 Corporate Units; provided,
however, that if a Tax Event Redemption or a Successful Initial Remarketing has
occurred and the Treasury Portfolio has become a component of the Corporate
Units, a Holder may make such substitution only in integral multiples of ____
Treasury Units for ____ Corporate Units.

_________________
/2/  To be inserted in Global Certificates only.

                                     A-11
<PAGE>

     Subject to the next succeeding paragraph, the Company shall pay, on each
Payment Date, the Contract Adjustment Payments, if any, payable in respect of
each Purchase Contract to the Person in whose name the Corporate Units
Certificate evidencing such Purchase Contract is registered at the close of
business on the Record Date for such Payment Date. Contract Adjustment Payments,
if any, will be payable at the Corporate Trust Office of the Agent and the New
York Office or, at the option of the Company, by check mailed to the address of
the Person entitled thereto at such address as it appears on the Corporate Units
Register or by wire transfer to the account designated by such Person in
writing.

     The Company shall have the right, at any time prior to the Purchase
Contract Settlement Date, to defer the payment of any or all of the Contract
Adjustment Payments, if any, otherwise payable on any Payment Date, but only if
the Company shall give the Holders and the Agent written notice of its election
to defer such payment (specifying the amount to be deferred) as provided in the
Purchase Contract Agreement. Any Contract Adjustment Payments, if any, so
deferred shall, to the extent permitted by law, bear additional Contract
Adjustment Payments thereon at the rate of ___% per annum (computed on the basis
of a 360-day year of twelve 30 day months), compounding on each succeeding
Payment Date, until paid in full (such deferred installments of Contract
Adjustment Payments, if any, together with the additional Contract Adjustment
Payments accrued thereon, are referred to herein as the "Deferred Contract
Adjustment Payments"). Deferred Contract Adjustment Payments, if any, shall be
due on the next succeeding Payment Date except to the extent that payment is
deferred pursuant to the Purchase Contract Agreement. No Contract Adjustment
Payments, if any, may be deferred to a date that is after the Purchase Contract
Settlement Date and no such deferral period may end other than on a Payment
Date.

     In the event that the Company elects to defer the payment of Contract
Adjustment Payments, if any, on the Purchase Contracts until a Payment Date
prior to the Purchase Contract Settlement Date, then all Deferred Contract
Adjustment Payments, if any, shall be payable to the registered Holders as of
the close of business on the Record Date immediately preceding such Payment
Date.

     In the event that the Company elects to defer the payment of Contract
Adjustment Payments, if any, on the Purchase Contracts until the Purchase
Contract Settlement Date, the Holder of this Corporate Units Certificate will
receive on the Purchase Contract Settlement Date, in lieu of a cash payment, a
number of shares of Common Stock (in addition to the number of shares of Common
Stock equal to the Settlement Rate) equal to (x) the aggregate amount of
Deferred Contract Adjustment

                                     A-12
<PAGE>

Payments payable to the Holder of this Corporate Units Certificate divided by
(y) the Applicable Market Value.

     In the event the Company exercises its option to defer the payment of
Contract Adjustment Payments, if any, then, until the Deferred Contract
Adjustment Payments have been paid, the Company shall not declare or pay
dividends on, make distributions with respect to, or redeem, purchase or
acquire, or make a liquidation payment with respect to, any of its capital stock
other than: (i) purchases, redemptions or acquisitions of shares of capital
stock of the Company in connection with any employment contract, benefit plan or
other similar arrangement with or for the benefit of employees, officers or
directors or a stock purchase or dividend reinvestment plan, or the satisfaction
by the Company of its obligations pursuant to any contract or security
outstanding on the date of such event; (ii) as a result of a reclassification of
the Company's capital stock or the exchange or conversion of one class or series
of the Company's capital stock for another class or series of the Company's
capital stock; (iii) the purchase of fractional interests in shares of the
Company's capital stock pursuant to the conversion or exchange provisions of
such capital stock or the security being converted or exchanged; (iv) dividends
or distributions in capital stock of the Company (or rights to acquire capital
stock) or repurchases, acquisitions or redemptions of capital stock in
connection with the issuance or exchange of capital stock (or securities
convertible into or exchangeable for shares of our capital stock); (v)
redemptions, exchanges or repurchases of any rights outstanding under a
shareholder rights plan or the declaration or payment thereunder of a dividend
or distribution of or with respect to rights in the future); or (vi) mandatory
sinking fund payments with respect to any series of preferred stock or preferred
stock A of the Company; provided that the aggregate stated value of all such
series outstanding at the time of such payment does not exceed 5% of the
aggregate of (1) the total principal amount of all then outstanding bonds or
other securities representing secured indebtedness issued or assumed by the
Company and (2) the Company's capital and surplus to be stated on the Company's
books of account after giving effect to such payment; provided however that any
moneys deposited into any sinking fund and not in violation of this clause (vi)
may thereafter be applied to the purchase or redemption of such preferred stock
or preferred stock A in accordance with the terms of such sinking fund without
regard to the foregoing restrictions.

     The Purchase Contracts and all obligations and rights of the Company and
the Holders thereunder, including, without limitation, the rights of the Holders
to receive and the obligation of the Company to pay Contract Adjustment
Payments, if any, or any Deferred Contract Adjustment Payments, and the rights
and obligations of Holders to purchase Common Stock, shall immediately and
automatically terminate,

                                     A-13
<PAGE>

without the necessity of any notice or action by any Holder, the Agent or the
Company, if, on or prior to the Purchase Contract Settlement Date, a Termination
Event shall have occurred. Upon the occurrence of a Termination Event, the
Company shall promptly but in no event later than two Business Days thereafter
give written notice to the Agent, the Collateral Agent and to the Holders, at
their addresses as they appear in the Corporate Units Register. Upon and after
the occurrence of a Termination Event, the Collateral Agent shall release the
Senior Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be, from the Pledge in accordance with the provisions
of the Pledge Agreement.

     Subject to and upon compliance with the provisions of the Purchase Contract
Agreement, at the option of the Holders thereof, Purchase Contracts underlying
Securities having an aggregate Stated Amount equal to $1,000 or an integral
multiple thereof may be settled early ("Early Settlement") as provided in the
Purchase Contract Agreement; provided, however, that if a Tax Event Redemption
or a Successful Initial Remarketing has occurred and the Treasury Portfolio has
become a component of the Corporate Units, Holders may early settle Corporate
Units only in integral multiples of ____ Corporate Units. In order to exercise
the right to effect Early Settlement with respect to any Purchase Contracts
evidenced by this Corporate Units Certificate, the Holder of this Corporate
Units Certificate shall deliver this Corporate Units Certificate to the Agent at
the Corporate Trust Office or the New York Office duly endorsed for transfer to
the Company or in blank with the form of Election to Settle Early set forth
below duly completed and accompanied by payment in the form of immediately
available funds payable to the Company in an amount (the "Early Settlement
Amount") equal to (i) the product of (A) the Stated Amount times (B) the number
of Purchase Contracts with respect to which the Holder has elected to effect
Early Settlement plus (ii) if such delivery is made with respect to any Purchase
Contracts during the period from the close of business on any Record Date next
preceding any Payment Date to the opening of business on such Payment Date, an
amount equal to the Contract Adjustment Payments, if any, payable on such
Payment Date with respect to such Purchase Contracts; provided that no payment
shall be required pursuant to clause (ii) of this sentence if the Company shall
have elected to defer the Contract Adjustment Payments which would otherwise be
payable on such Payment Date. Upon Early Settlement of Purchase Contracts by a
Holder of the related Securities, the pledged Senior Notes or the appropriate
Applicable Ownership Interest of the Treasury Portfolio underlying such
Securities shall be released from the Pledge as provided in the Pledge Agreement
and the Holder shall be entitled to receive a number of shares of Common Stock
on account of each Purchase Contract forming part of a Corporate Units as to
which Early Settlement is effected equal to the Early Settlement Rate; provided,
however, that upon the Early Settlement of the

                                     A-14
<PAGE>

Purchase Contracts, the Holder of such related Securities will forfeit the right
to receive any Deferred Contract Adjustment Payments and any future Contract
Adjustment Payments, except to the extent that the Early Settlement Date is
after the close of business on a Record Date and prior to the opening of
business on the corresponding Payment Date. The Early Settlement Rate shall
initially be equal to __________ shares of Common Stock and shall be adjusted in
the same manner and at the same time as the Settlement Rate is adjusted as
provided in the Purchase Contract Agreement.

     Upon registration of transfer of this Corporate Units Certificate in
accordance with the Purchase Contract Agreement, the transferee shall be bound
(without the necessity of any other action on the part of such transferee,
except as may be required by the Agent pursuant to the Purchase Contract
Agreement) under the terms of the Purchase Contract Agreement, the Pledge
Agreement and the Purchase Contracts evidenced hereby and the transferor shall
be released from the obligations under the Purchase Contract Agreement, the
Pledge Agreement and the Purchase Contracts evidenced by this Corporate Units
Certificate. The Company covenants and agrees, and the Holder, by its acceptance
hereof, likewise covenants and agrees, to be bound by the provisions of this
paragraph.

     The Holder of this Corporate Units Certificate, by its acceptance hereof,
authorizes the Agent to enter into and perform the related Purchase Contracts
forming part of the Corporate Units evidenced hereby on his behalf as his
attorney-in-fact, expressly withholds any consent to the assumption (i.e.,
affirmance) of the Purchase Contracts by the Company or its trustee in the event
that the Company becomes the subject of a case under the Bankruptcy Code, agrees
to be bound by the terms and provisions thereof, covenants and agrees to perform
its obligations under such Purchase Contracts, consents to the provisions of the
Purchase Contract Agreement, authorizes the Agent to enter into and perform the
Pledge Agreement on its behalf as its attorney-in-fact, and consents to the
Pledge of the Senior Notes or the appropriate Applicable Ownership Interest of
the Treasury Portfolio, as the case may be, underlying this Corporate Units
Certificate pursuant to the Pledge Agreement and to all other provisions of the
Pledge Agreement. The Holder further covenants and agrees, that, to the extent
and in the manner provided in the Purchase Contract Agreement and the Pledge
Agreement, but subject to the terms thereof, Proceeds of the pledged Senior
Notes or the appropriate Applicable Ownership Interest (as specified in clause
(A) of the definition of such term) of the Treasury Portfolio on the Purchase
Contract Settlement Date shall be paid by the Collateral Agent to the Company in
satisfaction of such Holder's obligations under such Purchase Contract and such
Holder shall acquire no right, title or interest in such Proceeds.

                                     A-15
<PAGE>

     Subject to certain exceptions, the provisions of the Purchase Contract
Agreement may be amended with the consent of the Holders of a majority of the
Purchase Contracts then outstanding.

     The Purchase Contracts shall for all purposes be governed by, and construed
in accordance with, the laws of the State of New York, without regard to
principles of conflicts of laws.

     The Company, the Agent and its Affiliates and any agent of the Company or
the Agent may treat the Person in whose name this Corporate Units Certificate is
registered as the owner of the Corporate Units evidenced hereby for the purpose
of receiving payments of interest payable quarterly on the Senior Notes or on
the maturing quarterly interest strips of the Treasury Portfolio, as applicable,
receiving payments of Contract Adjustment Payments, if any, and any Deferred
Contract Adjustment Payments, performance of the Purchase Contracts and for all
other purposes whatsoever, whether or not any payments in respect thereof be
overdue and notwithstanding any notice to the contrary, and neither the Company,
the Agent nor any such agent shall be affected by notice to the contrary.

     The Purchase Contracts shall not, prior to the settlement thereof, entitle
the Holder to any of the rights of a holder of shares of Common Stock.

     A copy of the Purchase Contract Agreement is available for inspection at
the offices of the Agent.

                                     A-16
<PAGE>

                                 ABBREVIATIONS

     The following abbreviations, when used in the inscription on the face of
this instrument, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM  -                    as tenants in common

UNIF GIFT MIN ACT -           ------------Custodian------------
                              (cust)                    (minor)

                              Under Uniform Gifts to Minors Act

                              ------------------------------------
                                           (State)

TEN ENT -                     as tenants by the entireties

JT TEN -                      as joint tenants with right of survivorship and
                              not as tenants in common

Additional abbreviations may also be used though not in the above list.

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

FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s)
unto ___________________________________________________________________________
________________________________________________________________________________
(Please insert Social Security or Taxpayer I.D. or other Identifying Number of
Assignee)
________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
(Please Print or Type Name and Address Including Postal Zip Code of Assignee)
the within Corporate Units Certificates and all rights thereunder, hereby
irrevocably constituting and appointing ______________ attorney to transfer said
Corporate Units Certificates on the books of Duke Energy Corporation with full
power of substitution in the premises.

Dated:  _________________         ______________________________________________
                                  Signature

                                  NOTICE: The signature to this assignment must
                                  correspond with the name as it appears upon
                                  the face of the within Corporate Units
                                  Certificates in every particular, without
                                  alteration or enlargement or any change
                                  whatsoever.

Signature Guarantee: ____________________________________
Signatures must be guaranteed by an "eligible guarantor institution" meeting the
requirements of the Registrar, which requirements include membership or
participation in the Security Transfer Agent Medallion Program ("STAMP") or such
other "signature guarantee program" as may be determined by the Registrar in
addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.

                                     A-17
<PAGE>

                            SETTLEMENT INSTRUCTIONS

     The undersigned Holder directs that a certificate for shares of Common
Stock deliverable upon settlement on or after the Purchase Contract Settlement
Date of the Purchase Contracts underlying the number of Corporate Units
evidenced by this Corporate Units Certificate be registered in the name of, and
delivered, together with a check in payment for any fractional share, to the
undersigned at the address indicated below unless a different name and address
have been indicated below. If shares are to be registered in the name of a
Person other than the undersigned, the undersigned will pay any transfer tax
payable incident thereto.

Dated: ________________________            _____________________________________
                                           Signature
                                           Signature Guarantee:_________________
                                           (if assigned to another person)

     Signatures must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include membership
or participation in the Security Transfer Agent Medallion Program ("STAMP") or
such other "signature guarantee program" as may be determined by the Registrar
in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.

<TABLE>
<S>                                                    <C>
If shares are to be registered in the name of
and delivered to a Person other than the Holder,
please (i) print such Person's name and address        REGISTERED HOLDER
and (ii) provide a guarantee of your signature:
                                                       Please print name and address of Registered Holder:

________________________________________               ________________________________________
                 Name                                                    Name
________________________________________               ________________________________________
               Address                                                  Address
________________________________________               ________________________________________

________________________________________               ________________________________________

________________________________________               ________________________________________

Social Security or other
Taxpayer Identification
Number, if any
                                                  ______________________________________________________________
</TABLE>

                                     A-18
<PAGE>

                           ELECTION TO SETTLE EARLY

     The undersigned Holder of this Corporate Units Certificate hereby
irrevocably exercises the option to effect Early Settlement in accordance with
the terms of the Purchase Contract Agreement with respect to the Purchase
Contracts underlying the number of Corporate Units evidenced by this Corporate
Units Certificate specified below. The option to effect Early Settlement may be
exercised only with respect to Purchase Contracts underlying Corporate Units
with an aggregate Stated Amount equal to $1,000 or an integral multiple thereof;
provided, however, that if a Tax Event Redemption or a Successful Initial
Remarketing has occurred and the Treasury Portfolio has become a component of
the Corporate Units, Holders may early settle Corporate Units only in integral
multiples of __________ Corporate Units. The undersigned Holder directs that a
certificate for shares of Common Stock deliverable upon such Early Settlement be
registered in the name of, and delivered, together with a check in payment for
any fractional share and any Corporate Units Certificate representing any
Corporate Units evidenced hereby as to which Early Settlement of the related
Purchase Contracts is not effected, to the undersigned at the address indicated
below unless a different name and address have been indicated below. Pledged
Senior Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be, deliverable upon such Early Settlement will be
transferred in accordance with the transfer instructions set forth below. If
shares are to be registered in the name of a Person other than the undersigned,
the undersigned will pay any transfer tax payable incident thereto.

Dated:___________________________              _________________________________
                                                        Signature

Signature Guarantee
(if assigned to another person):______________________

Signatures must be guaranteed by an "eligible guarantor institution" meeting the
requirements of the Registrar, which requirements include membership or
participation in the Security Transfer Agent Medallion Program ("STAMP") or such
other "signature guarantee program" as may be determined by the Registrar in
addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.

                                     A-19
<PAGE>

         Number of Securities evidenced hereby as to which Early Settlement of
the related Purchase Contracts is being elected:

If shares of Common Stock or Corporate                        REGISTERED HOLDER
Units Certificates are to be regis-
tered in the name of and delivered to,
and pledged Senior Notes, or an
Applicable Ownership Interest in
the Treasury Portfolio, as the case may
be, are to be transferred to, a Person
other than the Holder, please (i) print such
Person's name and address and (ii) provide
a guarantee of your signature:

<TABLE>
<CAPTION>
                                                              Please print name and address of Registered Holder:
<S>                                                           <C>
________________________________________                      ________________________________________
                  Name                                                          Name

________________________________________                      ________________________________________
                  Address                                                       Address

________________________________________                      ________________________________________

________________________________________                      ________________________________________

________________________________________                      ________________________________________

Social Security or other
Taxpayer Identification
Number, if any                                       ______________________________________________________________________
</TABLE>

                                     A-20
<PAGE>

Transfer Instructions for pledged Senior Notes, or the Applicable Ownership
Interest in the Treasury Portfolio, as the case may be, Transferable Upon Early
Settlement or a Termination Event:

_____________________________________________________________________

_____________________________________________________________________

_____________________________________________________________________

                                     A-21
<PAGE>

                    [TO BE ATTACHED TO GLOBAL CERTIFICATES]

           SCHEDULE OF INCREASES OR DECREASES IN GLOBAL CERTIFICATE

              The following increases or decreases in this Global
                          Certificate have been made:

<TABLE>
<CAPTION>
====================================================================================================================================
                                  Amount of                  Amount of           Stated Amount of this           Signature
                              decrease in Stated        increase in Stated        Global Certificate        of authorized officer
                             Amount of the Global      Amount of the Global     following such decrease     of Purchase Contract
          Date                   Certificate                Certificate               or increase                  Agent
------------------------------------------------------------------------------------------------------------------------------------
<S>                         <C>                        <C>                      <C>                         <C>
------------------------------------------------------------------------------------------------------------------------------------

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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====================================================================================================================================
</TABLE>

                                     A-22
<PAGE>

                                   EXHIBIT B

                 (Form of Face of Treasury Units Certificate)

         [THIS CERTIFICATE IS A GLOBAL CERTIFICATE WITHIN THE MEANING OF THE
PURCHASE CONTRACT AGREEMENT (AS HEREINAFTER DEFINED) AND IS REGISTERED IN THE
NAME OF THE CLEARING AGENCY OR A NOMINEE THEREOF. THIS CERTIFICATE MAY NOT BE
EXCHANGED IN WHOLE OR IN PART FOR A CERTIFICATE REGISTERED, AND NO TRANSFER OF
THIS CERTIFICATE IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY
PERSON OTHER THAN SUCH CLEARING AGENCY OR A NOMINEE THEREOF, EXCEPT IN THE
LIMITED CIRCUMSTANCES DESCRIBED IN THE PURCHASE CONTRACT AGREEMENT.

         UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF
THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) TO THE
COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT AND ANY
CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO., OR SUCH OTHER NAME
AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY,
AND ANY PAYMENT HEREON IS MADE TO CEDE & CO., ANY TRANSFER, PLEDGE OR OTHER USE
HEREOF FOR VALUE OR OTHERWISE BY A PERSON IS WRONGFUL SINCE THE REGISTERED OWNER
HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.]/1/

No. __________                                           CUSIP NO. ______
Number of Treasury Units ___________

                              __________% Treasury Units

         This Treasury Units Certificate certifies that __________ is the
registered Holder of the number of Treasury Units set forth above. Each Treasury
Units represents (i) a 1/40, or 2.5 %, undivided beneficial ownership interest
in a Treasury Security having a principal amount at maturity equal to $1,000,
subject to the Pledge

____________________
/1/      To be inserted in Global Certificates only.
<PAGE>

of such Treasury Security by such Holder pursuant to the Pledge Agreement, and
(ii) the rights and obligations of the Holder under one Purchase Contract with
Duke Energy Corporation, a North Carolina corporation (the "Company," which
term, as used herein, includes its successors pursuant to the Purchase Contract
Agreement). All capitalized terms used herein which are defined in the Purchase
Contract Agreement have the meaning set forth therein.

         Pursuant to the Pledge Agreement, the Treasury Securities constituting
part of each Treasury Units evidenced hereby have been pledged to the Collateral
Agent, for the benefit of the Company, to secure the obligations of the Holder
under the Purchase Contract comprising a portion of such Treasury Units.

         The Pledge Agreement provides that all payments of the principal of any
Treasury Securities received by the Collateral Agent shall be paid by the
Collateral Agent by wire transfer in same day funds (i) in the case of any
principal payments with respect to any Treasury Securities that have been
released from the Pledge pursuant to the Pledge Agreement, to the Holders of the
applicable Treasury Units to the accounts designated by them in writing for such
purpose no later than 2:00 p.m., New York City time, on the Business Day such
payment is received by the Collateral Agent (provided that in the event such
payment is received by the Collateral Agent on a day that is not a Business Day
or after 12:30 p.m., New York City time, on a Business Day, then such payment
shall be made no later than 10:30 a.m., New York City time, on the next
succeeding Business Day), and (ii) in the case of the principal of any pledged
Treasury Securities, to the Company on the Purchase Contract Settlement Date (as
defined herein) in accordance with the terms of the Pledge Agreement, in full
satisfaction of the respective obligations of the Holders of the Treasury Units
of which such pledged Treasury Securities are a part under the Purchase
Contracts forming a part of such Treasury Units.

         Each Purchase Contract evidenced hereby obligates the Holder of this
Treasury Units Certificate to purchase, and the Company to sell, on ___________,
2004 (the "Purchase Contract Settlement Date"), at a price equal to $25 (the
"Stated Amount"), a number of newly issued shares of Common Stock, no par value
("Common Stock"), of the Company equal to the Settlement Rate, unless on or
prior to the Purchase Contract Settlement Date there shall have occurred a
Termination Event or an Early Settlement with respect to the Treasury Units of
which such Purchase Contract is a part, all as provided in the Purchase Contract
Agreement and more fully described on the reverse hereof. The purchase price
(the "Purchase Price") for the shares of Common Stock purchased pursuant to each
Purchase Contract evidenced hereby, if not paid earlier, shall be paid on the
Purchase Contract

                                      B-2
<PAGE>

Settlement Date by application of the Proceeds from the Treasury Securities
pledged to secure the obligations under such Purchase Contract in accordance
with the terms of the Pledge Agreement.

         The Company shall pay on each Payment Date in respect of each Purchase
Contract forming part of a Treasury Unit evidenced hereby an amount (the
"Contract Adjustment Payments") equal to __% per annum of the Stated Amount,
computed on the basis of a 360-day year of twelve 30 day months, subject to
deferral at the option of the Company as provided in the Purchase Contract
Agreement and more fully described on the reverse hereof. Such Contract
Adjustment Payments, if any, shall be payable to the Person in whose name this
Treasury Units Certificate (or a Predecessor Treasury Units Certificate) is
registered at the close of business on the Record Date for such Payment Date.

         Contract Adjustment Payments, if any, will be payable at the Corporate
Trust Office of the Agent and at the New York Office or, at the option of the
Company, by check mailed to the address of the Person entitled thereto as such
address appears on the Treasury Units Register or by wire transfer to the
account designated by such Person by prior written notice.

         Reference is hereby made to the further provisions set forth on the
reverse hereof, which further provisions shall for all purposes have the same
effect as if set forth at this place.

         Unless the certificate of authentication hereon has been executed by
the Agent by manual signature, this Treasury Units Certificate shall not be
entitled to any benefit under the Pledge Agreement or the Purchase Contract
Agreement or be valid or obligatory for any purpose.

                                      B-3
<PAGE>

         IN WITNESS WHEREOF, the Company has caused this instrument to be duly
executed.

                            DUKE ENERGY CORPORATION

                            By:_____________________________________
                            Name:
                            Title:

                            By:_____________________________________
                            Name:
                            Title:

                            HOLDER SPECIFIED ABOVE (as to
                            obligations of such Holder under the
                            Purchase Contracts)

                            By:    THE CHASE MANHATTAN BANK, not
                                   individually but solely as
                                   attorney-in-fact of such Holder

                            By:_____________________________________
                            Name:
                            Title:

Dated:

                     AGENT'S CERTIFICATE OF AUTHENTICATION

         This is one of the Treasury Units referred to in the within-mentioned
Purchase Contract Agreement.

                            By:    THE CHASE MANHATTAN BANK,
                                   as Purchase Contract Agent

                            By:_____________________________________
                                   Authorized Officer
<PAGE>

                              (Form of Reverse of
                          Treasury Units Certificate)

     Each Purchase Contract evidenced hereby is governed by a Purchase Contract
Agreement, dated as of March __, 2001 (as may be supplemented from time to time,
the "Purchase Contract Agreement"), between the Company and The Chase Manhattan
Bank, as Purchase Contract Agent (including its successors thereunder, herein
called the "Agent"), to which the Purchase Contract Agreement and supplemental
agreements thereto reference is hereby made for a description of the respective
rights, limitations of rights, obligations, duties and immunities thereunder of
the Agent, the Company and the Holders and of the terms upon which the Treasury
Units Certificates are, and are to be, executed and delivered. In the case of
any inconsistency between this Certificate and the terms of the Purchase
Contract Agreement, the terms of the Purchase Contract Agreement shall prevail.

     Each Purchase Contract evidenced hereby obligates the Holder of this
Treasury Units Certificate to purchase, and the Company to sell, on the Purchase
Contract Settlement Date at the Purchase Price, a number of newly issued shares
of Common Stock of the Company equal to the Settlement Rate, unless, on or prior
to the Purchase Contract Settlement Date, there shall have occurred a
Termination Event or an Early Settlement with respect to the Security of which
such Purchase Contract is a part. The "Settlement Rate" is equal to (a) if the
Applicable Market Value (as defined below) is equal to or greater than $______
(the "Threshold Appreciation Price"), _______ shares of Common Stock per
Purchase Contract, (b) if the Applicable Market Value is less than the Threshold
Appreciation Price but is greater than $______, the number of shares of Common
Stock per Purchase Contract equal to the Stated Amount divided by the Applicable
Market Value and (c) if the Applicable Market Value is less than or equal to
$______, ______ shares of Common Stock per Purchase Contract, in each case
subject to adjustment as provided in the Purchase Contract Agreement. No
fractional shares of Common Stock will be issued upon settlement of Purchase
Contracts, as provided in the Purchase Contract Agreement.

     Each Purchase Contract evidenced hereby which is settled through Early
Settlement shall obligate the Holder of the related Treasury Units to purchase
at the Purchase Price, and the Company to sell, a number of newly issued shares
of Common Stock equal to the Early Settlement Rate.

     The "Applicable Market Value" means the average of the Closing Price per
share of Common Stock on each of the 20 consecutive Trading Days ending on the
third Trading Day immediately preceding the Purchase Contract Settlement Date
or, for purposes of determining cash payable in lieu of fractional shares in
connection with an Early Settlement, the third Trading Day immediately preceding
the relevant Early

                                      B-5
<PAGE>

Settlement Date. The "Closing Price" of the Common Stock on any date of
determination means the closing sale price (or, if no closing price is reported,
the last reported sale price) of the Common Stock on The New York Stock
Exchange, Inc. (the "NYSE") on such date or, if the Common Stock is not listed
for trading on the NYSE on any such date, as reported in the composite
transactions for the principal United States securities exchange on which the
Common Stock is so listed, or if the Common Stock is not so listed on a United
States national or regional securities exchange, the last closing sales price on
and as reported as reported by the Nasdaq National Market or, if the Common
Stock is not so reported, the last quoted bid price for the Common Stock in the
over-the-counter market as reported by the National Quotation Bureau or similar
organization, or, if such bid price is not available, the market value of the
Common Stock on such date as determined by a nationally recognized independent
investment banking firm retained for this purpose by the Company. A "Trading
Day" means a day on which the Common Stock (A) is not suspended from trading on
any national or regional securities exchange or association or over-the-counter
market at the close of business and (B) has traded at least once on the national
or regional securities exchange or association or over-the-counter market that
is the primary market for the trading of the Common Stock.

     In accordance with the terms of the Purchase Contract Agreement, the Holder
of this Treasury Units Certificate shall pay the Purchase Price for the shares
of Common Stock purchased pursuant to each Purchase Contract evidenced hereby by
effecting either an Early Settlement of each such Purchase Contract or by
applying a principal amount of the pledged Treasury Securities underlying such
Holder's Treasury Units equal to the Stated Amount to the purchase of the Common
Stock. A Holder of Treasury Units who does not elect, on or prior to 5:00 p.m.,
New York City time, on the second Business Day immediately preceding the
Purchase Contract Settlement Date, to make an Early Settlement, shall pay the
Purchase Price for the shares of Common Stock to be issued on the related
Purchase Contract by applying a principal amount of the pledged Treasury
Securities as aforesaid.

     The Company shall not be obligated to issue any shares of Common Stock in
respect of a Purchase Contract or deliver any certificates therefor to the
Holder unless it shall have received payment in full of the aggregate Purchase
Price for the shares of Common Stock to be purchased thereunder in the manner
herein set forth.

     The Treasury Units Certificates are issuable only in registered form and
only in denominations of a single Treasury Unit and any integral multiple
thereof. The transfer of any Treasury Units Certificate will be registered and
Treasury Units Certificates may be exchanged as provided in the Purchase
Contract Agreement. The Treasury Units Registrar may require a Holder, among
other things, to furnish appropriate endorsements and transfer documents
permitted by the Purchase Contract Agreement. No service

                                      B-6
<PAGE>

charge shall be required for any such registration of transfer or exchange, but
the Company and the Agent may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith. A Holder who
elects to substitute Senior Notes or the appropriate Applicable Ownership
Interest of the Treasury Portfolio, as the case may be, for Treasury Securities,
thereby recreating Corporate Units, shall be responsible for any fees or
expenses payable in connection therewith. Except as provided in the Purchase
Contract Agreement, for so long as the Purchase Contract underlying a Treasury
Units remains in effect, such Treasury Units shall not be separable into its
constituent parts, and the rights and obligations of the Holder of such Treasury
Units in respect of the Treasury Security and the Purchase Contract constituting
such Treasury Units may be transferred and exchanged only as a Treasury Units. A
Holder of Treasury Units may recreate Corporate Units by delivering to the
Collateral Agent Senior Notes or the appropriate Applicable Ownership Interest
of the Treasury Portfolio, with an aggregate principal amount, in the case of
such Senior Notes, or with the appropriate Applicable Ownership Interest (as
specified in clause (A) of the definition of such term) of the Treasury
Portfolio, in the case of such appropriate Applicable Ownership Interest of the
Treasury Portfolio, equal to the aggregate principal amount of the pledged
Treasury Securities in exchange for the release of such pledged Treasury
Securities in accordance with the terms of the Purchase Contract Agreement and
the Pledge Agreement. From and after such substitution, the Security for which
such pledged Senior Notes or appropriate Applicable Ownership Interest of the
Treasury Portfolio, as the case may be, secures the Holder's obligation under
the Purchase Contract shall be referred to as a "Corporate Unit." A Holder may
make such a substitution only in integral multiples of 40 Treasury Units for 40
Corporate Units; provided, however, that if a Tax Event Redemption or a
Successful Initial Remarketing has occurred and the Treasury Portfolio has
become a component of the Corporate Units, a Holder may make such substitution
only in integral multiples of _____ Treasury Units for ______ Corporate Units.
Such substitution may cause the equivalent aggregate Stated Amount of this
Certificate to be increased or decreased; provided, however, the equivalent
aggregate Stated Amount outstanding under this Treasury Units Certificate shall
not exceed $___________. [All such adjustments to the equivalent aggregate
Stated Amount of this Treasury Units Certificate shall be duly recorded by
placing an appropriate notation on the Schedule attached hereto.]/2/

     A Holder of a Corporate Unit may create a Treasury Unit by delivering to
the Collateral Agent Treasury Securities in an aggregate principal amount of the
pledged Senior Notes or the appropriate Applicable Ownership Interest (as
specified in clause (A) of the definition of such term) of the Treasury
Portfolio, as the case may be, in exchange for the release of such pledged
Senior Notes or the appropriate Applicable

______________________

/2/       To be inserted in Global Certificates only.

                                      B-7
<PAGE>

Ownership Interest of the Treasury Portfolio, as the case may be, in accordance
with the terms of the Purchase Contract Agreement and the Pledge Agreement. Any
such creation of a Treasury Units may be effected only in multiples of 40
Corporate Units for 40 Treasury Units; provided, however, if a Tax Event
Redemption or a Successful Initial Remarketing has occurred and the Treasury
Portfolio has become a component of the Corporate Unit, a Holder may make such
Collateral Substitution only in integral multiples of __ Corporate Units for __
Treasury Units.

     Subject to the next succeeding paragraph, the Company shall pay, on each
Payment Date, the Contract Adjustment Payments, if any, payable in respect of
each Purchase Contract to the Person in whose name the Treasury Units
Certificate evidencing such Purchase Contract is registered at the close of
business on the Record Date for such Payment Date. Contract Adjustment Payments,
if any, will be payable at the Corporate Trust Office of the Agent and the New
York Office or, at the option of the Company, by check mailed to the address of
the Person entitled thereto at such address as it appears on the Treasury Units
Register.

     The Company shall have the right, at any time prior to the Purchase
Contract Settlement Date, to defer the payment of any or all of the Contract
Adjustment Payments, if any, otherwise payable on any Payment Date, but only if
the Company shall give the Holders and the Agent written notice of its election
to defer such payment (specifying the amount to be deferred) as provided in the
Purchase Contract Agreement. Any Contract Adjustment Payments, if any, so
deferred shall, to the extent permitted by law, bear additional Contract
Adjustment Payments thereon at the rate of ___% per annum (computed on the basis
of a 360-day year of twelve 30 day months), compounding on each succeeding
Payment Date, until paid in full (such deferred installments of Contract
Adjustment Payments, if any, together with the additional Contract Adjustment
Payments accrued thereon, are referred to herein as the "Deferred Contract
Adjustment Payments"). Deferred Contract Adjustment Payments, if any, shall be
due on the next succeeding Payment Date except to the extent that payment is
deferred pursuant to the Purchase Contract Agreement. No Contract Adjustment
Payments, if any, may be deferred to a date that is after the Purchase Contract
Settlement Date and no such deferral period may end other than on a Payment
Date.

     In the event that the Company elects to defer the payment of Contract
Adjustment Payments, if any, on the Purchase Contracts until a Payment Date
prior to the Purchase Contract Settlement Date, then all Deferred Contract
Adjustment Payments, if any, shall be payable to the registered Holders as of
the close of business on the Record Date immediately preceding such Payment
Date.

     In the event that the Company elects to defer the payment of Contract
Adjustment Payments, if any, on the Purchase Contracts until the Purchase
Contract

                                      B-8
<PAGE>

Settlement Date, the Holder of this Treasury Units Certificate will receive on
the Purchase Contract Settlement Date, in lieu of a cash payment, a number of
shares of Common Stock (in addition to the number of shares of Common Stock
equal to the Settlement Rate) equal to (x) the aggregate amount of Deferred
Contract Adjustment Payments payable to the Holder of this Treasury Units
Certificate divided by (y) the Applicable Market Value.

     In the event the Company exercises its option to defer the payment of
Contract Adjustment Payments, if any, then, until the Deferred Contract
Adjustment Payments have been paid, the Company shall not declare or pay
dividends on, make distributions with respect to, or redeem, purchase or
acquire, or make a liquidation payment with respect to, any of its capital stock
other than: (i) purchases, redemptions or acquisitions of shares of capital
stock of the Company in connection with any employment contract, benefit plan or
other similar arrangement with or for the benefit of employees, officers or
directors or a stock purchase or dividend reinvestment plan, or the satisfaction
by the Company of its obligations pursuant to any contract or security
outstanding on the date of such event; (ii) as a result of a reclassification of
the Company's capital stock or the exchange or conversion of one class or series
of the Company's capital stock for another class or series of the Company's
capital stock; (iii) the purchase of fractional interests in shares of the
Company's capital stock pursuant to the conversion or exchange provisions of
such capital stock or the security being converted or exchanged; (iv) dividends
or distributions in capital stock of the Company (or rights to acquire capital
stock) or repurchases, acquisitions or redemptions of capital stock in
connection with the issuance or exchange of capital stock (or securities
convertible into or exchangeable for shares of our capital stock); (v)
redemptions, exchanges or repurchases of any rights outstanding under a
shareholder rights plan or the declaration or payment thereunder of a dividend
or distribution of or with respect to rights in the future); or (vi) mandatory
sinking fund payments with respect to any series of preferred stock or preferred
stock A of the Company; provided that the aggregate stated value of all such
series outstanding at the time of such payment does not exceed 5% of the
aggregate of (1) the total principal amount of all then outstanding bonds or
other securities representing secured indebtedness issued or assumed by the
Company and (2) the Company's capital and surplus to be stated on the Company's
books of account after giving effect to such payment; provided however that any
moneys deposited into any sinking fund and not in violation of this clause (vi)
may thereafter be applied to the purchase or redemption of such preferred stock
or preferred stock A in accordance with the terms of such sinking fund without
regard to the foregoing restrictions.

     The Purchase Contracts and all obligations and rights of the Company and
the Holders thereunder, including, without limitation, the rights of the Holders
to receive and the obligation of the Company to pay Contract Adjustment
Payments, if any, or any Deferred Contract Adjustment Payments, and the rights
and obligations of Holders to

                                      B-9
<PAGE>

purchase Common Stock shall immediately and automatically terminate, without the
necessity of any notice or action by any Holder, the Agent or the Company, if,
on or prior to the Purchase Contract Settlement Date, a Termination Event shall
have occurred. Upon the occurrence of a Termination Event, the Company shall
promptly but in no event later than two Business Days thereafter give written
notice to the Agent, the Collateral Agent and to the Holders, at their addresses
as they appear in the Treasury Units Register. Upon and after the occurrence of
a Termination Event, the Collateral Agent shall release the Treasury Securities
from the Pledge in accordance with the provisions of the Pledge Agreement.

     Subject to and upon compliance with the provisions of the Purchase Contract
Agreement, at the option of the Holders thereof, Purchase Contracts underlying
Securities having an aggregate Stated Amount equal to $1,000 or an integral
multiple thereof may be settled early ("Early Settlement") as provided in the
Purchase Contract Agreement. In order to exercise the right to effect Early
Settlement with respect to any Purchase Contracts evidenced by this Treasury
Units Certificate, the Holder of this Treasury Units Certificate shall deliver
this Treasury Units Certificate to the Agent at the Corporate Trust Office or
the New York Office duly endorsed for transfer to the Company or in blank with
the form of Election to Settle Early set forth below duly completed and
accompanied by payment in the form of immediately available funds payable to the
Company in an amount (the "Early Settlement Amount") equal to (i) the product of
(A) the Stated Amount times (B) the number of Purchase Contracts with respect to
which the Holder has elected to effect Early Settlement plus (ii) if such
delivery is made with respect to any Purchase Contracts during the period from
the close of business on any Record Date next preceding any Payment Date to the
opening of business on such Payment Date, an amount equal to the Contract
Adjustment Payments, if any, payable on such Payment Date with respect to such
Purchase Contracts; provided that no payment shall be required pursuant to
clause (ii) of this sentence if the Company shall have elected to defer the
Contract Adjustment Payments which would otherwise be payable on such Payment
Date. Upon Early Settlement of Purchase Contracts by a Holder of the related
Securities, the pledged Treasury Securities underlying such Securities shall be
released from the Pledge as provided in the Pledge Agreement and the Holder
shall be entitled to receive a number of shares of Common Stock on account of
each Purchase Contract forming part of a Treasury Units as to which Early
Settlement is effected equal to the Early Settlement Rate; provided, however,
that upon the Early Settlement of the Purchase Contracts, the Holder of such
related Securities will forfeit the right to receive any Deferred Contract
Adjustment Payments and any future Contract Adjustment Payments, except to the
extent that the Early Settlement Date is after the close of business on a Record
Date and prior to the opening of business on the corresponding Payment Date. The
Early Settlement Rate shall initially be equal to _______ shares of Common Stock
and shall be adjusted in the same manner and at the

                                     B-10
<PAGE>

same time as the Settlement Rate is adjusted as provided in the Purchase
Contract Agreement.

     Upon registration of transfer of this Treasury Units Certificate, the
transferee shall be bound (without the necessity of any other action on the part
of such transferee, except as may be required by the Agent pursuant to the
Purchase Contract Agreement) under the terms of the Purchase Contract Agreement,
the Pledge Agreement and the Purchase Contracts evidenced hereby and the
transferor shall be released from the obligations under the Purchase Contract
Agreement, the Pledge Agreement and the Purchase Contracts evidenced by this
Treasury Units Certificate. The Company covenants and agrees, and the Holder, by
his acceptance hereof, likewise covenants and agrees, to be bound by the
provisions of this paragraph.

     The Holder of this Treasury Units Certificate, by its acceptance hereof,
authorizes the Agent to enter into and perform the related Purchase Contracts
forming part of the Treasury Units evidenced hereby on his behalf as its
attorney-in-fact, expressly withholds any consent to the assumption (i.e.,
affirmance) of the Purchase Contracts by the Company or its trustee in the event
that the Company becomes the subject of a case under the Bankruptcy Code, agrees
to be bound by the terms and provisions thereof, covenants and agrees to perform
its obligations under such Purchase Contracts, consents to the provisions of the
Purchase Contract Agreement, authorizes the Agent to enter into and perform the
Pledge Agreement on its behalf as its attorney-in-fact, and consents to the
Pledge of the Treasury Securities underlying this Treasury Units Certificate
pursuant to the Pledge Agreement and to all other provisions of the Pledge
Agreement. The Holder further covenants and agrees, that, to the extent and in
the manner provided in the Purchase Contract Agreement and the Pledge Agreement,
but subject to the terms thereof, Proceeds of the pledged Treasury Securities on
the Purchase Contract Settlement Date shall be paid by the Collateral Agent to
the Company in satisfaction of such Holder's obligations under such Purchase
Contract and such Holder shall acquire no right, title or interest in such
Proceeds.

     Subject to certain exceptions, the provisions of the Purchase Contract
Agreement may be amended with the consent of the Holders of a majority of the
Purchase Contracts then outstanding.

     The Purchase Contracts shall for all purposes be governed by, and construed
in accordance with, the laws of the State of New York, without regard to
principles of conflicts of laws.

     The Company, the Agent and its Affiliates and any agent of the Company or
the Agent may treat the Person in whose name this Treasury Units Certificate is
registered as the owner of the Treasury Units evidenced hereby for the purpose
of receiving payments

                                     B-11
<PAGE>

on the Treasury Securities, receiving payments of Contract Adjustment Payments,
if any, and any Deferred Contract Adjustment Payments, performance of the
Purchase Contracts and for all other purposes whatsoever, whether or not any
payments in respect thereof be overdue and notwithstanding any notice to the
contrary, and neither the Company, the Agent nor any such agent shall be
affected by notice to the contrary.

     The Purchase Contracts shall not, prior to the settlement thereof, entitle
the Holder to any of the rights of a holder of shares of Common Stock.

     A copy of the Purchase Contract Agreement is available for inspection at
the offices of the Agent.

                                     B-12
<PAGE>

                                 ABBREVIATIONS

     The following abbreviations, when used in the inscription on the face of
this instrument, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM  -                  as tenants in common

UNIF GIFT MIN ACT -         ------------Custodian------------
                            (cust)                   (minor)

                            Under Uniform Gifts to Minors Act

                            ------------------------------------
                                          (State)

TEN ENT -                   as tenants by the entireties

JT TEN -                    as joint tenants with right of survivorship and not
                            as tenants in common

Additional abbreviations may also be used though not in the above list.

                 _____________________________________________

          FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and
transfer(s) unto _______________________________________________________________
(Please insert Social Security or Taxpayer I.D. or other Identifying Number of
Assignee)_______________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
(Please Print or Type Name and Address Including Postal Zip Code of Assignee)
the within Treasury Units Certificates and all rights thereunder, hereby
irrevocably constituting and appointing ________________________________________
________________________________________________________________________________
attorney to transfer said Treasury Units Certificates on the books of Duke
Energy Corporation with full power of substitution in the premises.

Dated:  _________________             __________________________________________
                                      Signature

                                      NOTICE: The signature to this assignment
                                      must correspond with the name as it
                                      appears upon the face of the within
                                      Treasury Units Certificates in every
                                      particular, without alteration or
                                      enlargement or any change whatsoever.

Signature Guarantee: ________________________________
Signatures must be guaranteed by an "eligible guarantor institution" meeting the
requirements of the Registrar, which requirements include membership or
participation in the Security Transfer Agent Medallion Program ("STAMP") or such
other "signature guarantee program" as may be determined by the Registrar in
addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.

                                     B-13
<PAGE>

                            SETTLEMENT INSTRUCTIONS

     The undersigned Holder directs that a certificate for shares of Common
Stock deliverable upon settlement on or after the Purchase Contract Settlement
Date of the Purchase Contracts underlying the number of Corporate Units
evidenced by this Corporate Units Certificate be registered in the name of, and
delivered, together with a check in payment for any fractional share, to the
undersigned at the address indicated below unless a different name and address
have been indicated below. If shares are to be registered in the name of a
Person other than the undersigned, the undersigned will pay any transfer tax
payable incident thereto.

Dated:  _________________             __________________________________________
                                      Signature
                                      Signature Guarantee: ______________
                                      (if assigned to another person)

     Signatures must be guaranteed by an "eligible guarantor institution"
meeting the requirements of the Registrar, which requirements include membership
or participation in the Security Transfer Agent Medallion Program ("STAMP") or
such other "signature guarantee program" as may be determined by the Registrar
in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.

If shares are to be registered in the
name of and delivered to a Person
other than the Holder, please (i)
print such Person's name and address   REGISTERED HOLDER
and (ii) provide a guarantee of your
signature:

                                       Please print name and address of
                                       Registered Holder:

______________________________         _______________________________
         Name                                        Name

______________________________         _______________________________
         Address                                     Address

______________________________         _______________________________

______________________________         _______________________________

______________________________         _______________________________

Social Security or other
Taxpayer Identification
Number, if any                    ______________________________________________

                                     B-14
<PAGE>

                           ELECTION TO SETTLE EARLY

     The undersigned Holder of this Treasury Units Certificate hereby
irrevocably exercises the option to effect Early Settlement in accordance with
the terms of the Purchase Contract Agreement with respect to the Purchase
Contracts underlying the number of Treasury Units evidenced by this Treasury
Units Certificate specified below. The option to effect Early Settlement may be
exercised only with respect to Purchase Contracts underlying Treasury Units
with an aggregate Stated Amount equal to $1,000 or an integral multiple thereof.
The undersigned Holder directs that a certificate for shares of Common Stock
deliverable upon such Early Settlement be registered in the name of, and
delivered, together with a check in payment for any fractional share and any
Treasury Units Certificate representing any Treasury Units evidenced hereby as
to which Early Settlement of the related Purchase Contracts is not effected, to
the undersigned at the address indicated below unless a different name and
address have been indicated below. Pledged Treasury Securities deliverable upon
such Early Settlement will be transferred in accordance with the transfer
instructions set forth below. If shares are to be registered in the name of a
Person other than the undersigned, the undersigned will pay any transfer or
similar tax payable incident thereto.

Dated: ____________________               ______________________________________
                                          Signature

Signature Guarantee _________________________
(if assigned to another person):

Signatures must be guaranteed by an "eligible guarantor institution" meeting the
requirements of the Registrar, which requirements include membership or
participation in the Security Transfer Agent Medallion Program ("STAMP") or such
other "signature guarantee program" as may be determined by the Registrar in
addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.

                                     B-15
<PAGE>

     Number of Securities evidenced hereby as to which Early Settlement of the
related Purchase Contracts is being elected:

If shares of Common Stock or Treasury Units
Certificates are to be registered in the
name of and delivered to, and pledged
Treasury Securities are to be transferred to,
a Person other than the Holder, please (i)
print such Person's name and address and (ii)
provide a guarantee of your signature:

                                        Please print name and address of
                                        Registered Holder:

______________________________          ___________________________________
        Name                                       Name

______________________________          ___________________________________
      Address                                      Address

______________________________          ___________________________________

______________________________          ___________________________________

______________________________          ___________________________________

Social Security or other
Taxpayer Identification
Number, if any
                                   ____________________________________________

Transfer Instructions for pledged Treasury Securities Transferable Upon Early
Settlement or a Termination Event:

____________________________________

____________________________________

____________________________________

                                     B-16
<PAGE>

                    [TO BE ATTACHED TO GLOBAL CERTIFICATES]

           SCHEDULE OF INCREASES OR DECREASES IN GLOBAL CERTIFICATE

The following increases or decreases in this Global Certificate have been made:

<TABLE>
<CAPTION>
==============================================================================================================
                                                               Stated Amount of this       Signature
                      Amount of             Amount of          Global Certificate        of authorized
                  decrease in Stated    increase in Stated       following such            officer of
                 Amount of the Global   Amount of the Global      decrease or           Purchase Contract
      Date          Certificate            Certificate             increase                  Agent
--------------------------------------------------------------------------------------------------------------
<S>              <C>                    <C>                    <C>                      <C>
--------------------------------------------------------------------------------------------------------------

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==============================================================================================================
</TABLE>

                                     B-17
<PAGE>

                                   EXHIBIT C

                   INSTRUCTION FROM PURCHASE CONTRACT AGENT
                              TO COLLATERAL AGENT

Bank One Trust Company, N.A.
One North State Street, 9/th/ Floor
Chicago, Illinois 60602
Attention:  Corporate Trust Services Division

          Re:  Equity Units of Duke Energy Corporation (the "Company")

          We hereby notify you in accordance with Section [4.1] [4.2] of the
Pledge Agreement, dated as of March __, 2001, (the "Pledge Agreement") among the
Company, yourselves, as Collateral Agent, Custodial Agent and Securities
Intermediary and ourselves, as Purchase Contract Agent and as attorney-in-fact
for the holders of [Corporate Units] [Treasury Units] from time to time, that
the holder of the Securities listed below (the "Holder") has elected to
substitute [$_____ aggregate principal amount of Treasury Securities] [$_______
aggregate principal amount of Senior Notes or the appropriate Applicable
Ownership Interest of the Treasury Portfolio, as the case may be,] in exchange
for an equal Value of [Pledged Senior Notes or the appropriate Applicable
Ownership Interest of the Treasury Portfolio, as the case may be,] [Pledged
Treasury Securities] held by you in accordance with the Pledge Agreement and has
delivered to us a notice stating that the Holder has Transferred [Treasury
Securities] [Senior Notes or the appropriate Applicable Ownership Interest of
the Treasury Portfolio, as the case may be,] to you, as Collateral Agent. We
hereby instruct you, upon receipt of such [Pledged Treasury Securities] [Pledged
Senior Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be,], and upon the payment by such Holder of any
applicable fees, to release the [Senior Notes or the appropriate Applicable
Ownership Interest of the Treasury Portfolio, as the case may be,] [Treasury
Securities] related to such [Corporate Units] [Treasury Units] to us in
accordance with the Holder's instructions. Capitalized terms used herein but not
defined shall have the meaning set forth in the Pledge Agreement.

Date:_____________             ______________________________
                               By:___________________________
                               Name:
                               Title:
                               Signature Guarantee:__________
<PAGE>

Please print name and address of Registered Holder electing to substitute
[Treasury Securities] [Senior Notes or the appropriate Applicable Ownership
Interest of the Treasury Portfolio, as the case may be,] for the [Pledged Senior
Notes or the appropriate Applicable Ownership Interest of the Treasury
Portfolio, as the case may be,] [Pledged Treasury Securities]:

___________________________     ________________________________________________
          Name                  Social Security or other Taxpayer Identification
                                Number, if any
___________________________
         Address

___________________________

___________________________

                                      C-2
<PAGE>

                                   EXHIBIT D

                    INSTRUCTION TO PURCHASE CONTRACT AGENT

The Chase Manhattan Bank
450 West 33/rd/ Street
New York, New York 10001

Attention: Institutional Trust Services

               Re:  Equity Units of Duke Energy Corporation (the "Company")

               The undersigned Holder hereby notifies you that it has delivered
to            , as Collateral Agent, [$_______ aggregate principal amount of
Treasury Securities] [$ aggregate principal amount of Senior Notes or the
appropriate Applicable Ownership Interest of the Treasury Portfolio, as the case
may be,] in exchange for an equal Value of [Pledged Senior Notes or the
appropriate Applicable Ownership Interest of the Treasury Portfolio, as the case
may be,] [Pledged Treasury Securities] held by the Collateral Agent, in
accordance with Section [4.1], [4.2] of the Pledge Agreement, dated March __,
2001 (the "Pledge Agreement"), between you, the Company and the Collateral
Agent. The undersigned Holder has paid the Collateral Agent all applicable fees
relating to such exchange. The undersigned Holder hereby instructs you to
instruct the Collateral Agent to release to you on behalf of the undersigned
Holder the [Pledged Senior Notes or the appropriate Applicable Ownership
Interest of the Treasury Portfolio] [Pledged Treasury Securities] related to
such [Corporate Units] [Treasury Units]. Capitalized terms used herein but not
defined shall have the meaning set forth in the Pledge Agreement.

Dated:_____________                         ___________________________________
                                            Signature

                                            Signature Guarantee:_______________

Please print name and address of Registered Holder:

____________________________                ___________________________________
         Name                               Social Security or other
                                            Taxpayer Identification
                                            Number, if any
____________________________
         Address

____________________________

____________________________
<PAGE>

                                   EXHIBIT E

                       NOTICE TO SETTLE BY SEPARATE CASH

The Chase Manhattan Bank
450 West 33/rd/ Street
New York, New York 10001

Attention: Institutional Trust Services

               Re:  Equity Units of Duke Energy Corporation (the "Company")

               The undersigned Holder hereby irrevocably notifies you in
accordance with Section 5.4 of the Purchase Contract Agreement dated as of March
__, 2001 among the Company and yourselves, as Purchase Contract Agent and as
attorney-in-fact for the Holders of the Purchase Contracts, that such Holder has
elected to pay to the Collateral Agent, on or prior to 11:00 a.m., New York City
time, on the Business Day immediately preceding the Purchase Contract Settlement
Date, (in lawful money of the United States by [certified or cashiers check or]
wire transfer, in each case in immediately available funds), $_________ as the
Purchase Price for the shares of Common Stock issuable to such Holder by the
Company under the related Purchase Contract on the Purchase Contract Settlement
Date. The undersigned Holder hereby instructs you to notify promptly the
Collateral Agent of the undersigned Holders election to make such cash
settlement with respect to the Purchase Contracts related to such Holder's
Corporate Units.

Dated:_______________________________     _____________________________________
                                          Signature

                                          Signature Guarantee:_________________

Signatures must be guaranteed by an "eligible guarantor institution" meeting the
requirements of the Registrar, which requirements include membership or
participation in the Security Transfer Agent Medallion Program ("STAMP") or such
other "signature guarantee program" as may be determined by the Registrar in
addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.
<PAGE>

Please print name and address of Registered Holder:

Name______________________________       _______________________________________
                                         Social Security or other Taxpayer
Address                                  Identification Number, if any
__________________________________

__________________________________

__________________________________

                                      E-1

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