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                                                                   EXHIBIT 10.23

                              EMPLOYMENT AGREEMENT

CANADIAN WASTE SERVICES, INC., for and on behalf of its affiliated corporations
(collectively referred to as the "Company"), and JEFF M. HARRIS (the "Employee")
agree to enter into this EMPLOYMENT AGREEMENT (the "Agreement") dated as of
November 3, 1999 as follows:

1. EMPLOYMENT.

The Company shall employ Employee, and Employee shall be employed by the Company
upon the terms and subject to the conditions set forth in this Agreement.

2. TERM OF EMPLOYMENT.

The period of Employee's employment under this Agreement shall begin as of
November 3, 1999, and shall continue for a period of two (2) years thereafter
(the "Initial Term") and shall be automatically renewed for successive one (1)
year periods thereafter, unless Employee's employment is terminated in
accordance with Section 6 below.

3. DUTIES AND RESPONSIBILITIES.

(a)      Employee shall serve as President, Canadian Waste Services, Inc. In
         such capacity, Employee shall perform such duties as may be assigned to
         Employee from time to time by the Company.

(b)      Employee shall faithfully serve the Company, devote Employee's full
         working time, attention and energies to the business of the Company and
         perform the duties under this Agreement to the best of Employee's
         abilities.

(c)      Employee shall (i) comply with all applicable laws, rules and
         regulations, and all requirements of all applicable regulatory,
         self-regulatory, and administrative bodies; (ii) comply with the
         Company's rules, procedures, policies, requirements, and directions;
         and (iii) not engage in any other business or employment without the
         written consent of the Company except as otherwise specifically
         provided herein.

4. COMPENSATION AND BENEFITS.

(a)      BASE SALARY. During the Employment Term, the Company shall pay Employee
         a base salary at the annual rate of Three Hundred Thousand (US$300,000)
         United States Dollars per year, or such higher rate as may be
         determined from time to time by the Company ("Base Salary"). Such Base
         Salary shall be paid in accordance with the Company's standard payroll
         practice for employees.

(b)      TAX EQUALIZATION. Your annual income tax will be equalized as per the
         Waste Management Equalization Policy. According to this policy, Waste
         Management will take the benefit of the foreign earned income
         exclusion, but equalize you for income other than your base
         compensation, bonus, foreign service premium, stock options exercise
         and any personal income you have. In accordance with the expatriate tax
         equalization policy, the Company will provide you with assistance in
         the preparation of U.S. and foreign tax returns.

(c)      EXPENSE REIMBURSEMENT. The Company shall promptly reimburse Employee
         for the ordinary and necessary business expenses incurred by Employee
         in the performance of Employee's duties hereunder in accordance with
         the Company's customary practices applicable to employees, provided
         that such expenses are incurred and accounted for in accordance with
         the Company's policy.

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(d)      BENEFIT PLANS. Employee shall be eligible to participate in or receive
         benefits under any pension plan, profit sharing plan, medical and
         dental benefits plan, life insurance plan, short-term and long-term
         disability plans, supplemental and/or incentive compensation plans,
         practices or arrangements, or any other benefit plan or arrangement,
         generally made available by the Company to employees of similar status
         and responsibilities.

(e)      VACATION. Employee shall receive four (4) weeks vacation annually.

(F)      STOCK OPTIONS. Employee shall be awarded Fifty-five Thousand (55,000)
         Waste Management stock options, subject to the approval of the
         Compensation Committee of the Board of Directors. The award, vesting
         and exercising of all options shall be subject to the provisions of the
         Waste Management, Inc. Stock Incentive Plan.

(G)      AUTOMOBILE. Company shall provide a vehicle (make and model to be
         determined by Company for the term of the contract) or a monthly auto
         allowance. Company's obligation to provide a vehicle or allowance will
         cease upon commencement of severance or termination of this Agreement.

(H)      OTHER. Company will provide an apartment in Toronto and pay for
         reasonable living expenses including utilities, telephone (except for
         personal calls) and parking. Company will pay reasonable travel
         expenses to and from Detroit, one round trip per week, coach fare.

5. TERMINATION OF EMPLOYMENT.

Employee's employment hereunder may be terminated under the following
circumstances:

(a)      DEATH. Employee's employment hereunder shall terminate upon Employee's
         death.

(b)      TOTAL DISABILITY. The Company may terminate Employee's employment
         hereunder upon Employee's becoming "Totally Disabled". For purposes of
         this Agreement, Employee shall be "Totally Disabled" if Employee is
         physically or mentally incapacitated so as to render Employee incapable
         of performing the usual and customary duties under this Agreement.
         Employee's receipt of disability benefits under the Company's long-term
         disability plan or receipt of Social Security disability benefits shall
         be deemed conclusive evidence of Total Disability for purpose of this
         Agreement; provided, however, that in the absence of Employee's receipt
         of such long-term disability benefits or Social Security benefits, the
         Company may, in its reasonable discretion (but based upon appropriate
         medical evidence), determine that Employee is Totally Disabled.

(c)      TERMINATION BY THE COMPANY FOR CAUSE. The Company may terminate
         Employee's employment hereunder for "Cause" at any time after providing
         written notice to Employee.

         (i)      For purposes of this Agreement, the term "Cause" shall mean
                  any of the following: (a) conviction of a crime (including
                  conviction on a nolo contendere plea) involving a felony or,
                  in the good faith judgment of the Company, fraud, dishonesty,
                  or moral turpitude; (b) deliberate and continual refusal to
                  perform employment duties reasonably requested by the Company
                  or an affiliate after thirty (30) days' written notice by
                  certified mail of such failure to perform, specifying that the
                  failure constitutes cause (other than as a result of vacation,
                  sickness, illness or injury); (c) fraud or embezzlement
                  determined in accordance with the Company's normal, internal
                  investigative procedures consistently applied in comparable
                  circumstances; (d) gross misconduct or gross negligence in
                  connection with the business of the Company or an affiliate
                  which has substantial effect on the Company or the affiliate;
                  or (e) breach of any of the covenants set forth in Section 7
                  hereof.

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         (ii)     An individual will be considered to have been terminated for
                  Cause if the Company determines that the individual engaged in
                  an act constituting Cause at any time prior to a payment date
                  for an award, regardless of whether the individual terminates
                  employment voluntarily or is terminated involuntarily, and
                  regardless of whether the individual's termination initially
                  was considered to have been for Cause.

         (iii)    Any determination of Cause under this Agreement shall be made
                  by the Company after giving Employee a reasonable opportunity
                  to be heard.

(d)      VOLUNTARY TERMINATION BY EMPLOYEE. Employee may terminate employment
         hereunder at any time after providing ninety (90) days' written notice
         to the Company.

(e)      TERMINATION BY THE COMPANY WITHOUT CAUSE. The Company may terminate
         Employee's employment hereunder without Cause at any time after
         providing written notice to Employee.

6. COMPENSATION FOLLOWING TERMINATION OF EMPLOYMENT.

In the event that Employee's employment hereunder is terminated, Employee shall
be entitled to the following compensation and benefits upon such termination:

(a)      TERMINATION BY REASON OF DEATH. In the event that Employee's employment
         is terminated by reason of Employee's death, the Company shall pay the
         following amounts to Employee's beneficiary or estate:

         (i)      Any accrued but unpaid Base Salary for services rendered to
                  the date of death, any accrued but unpaid expenses required to
                  be reimbursed under this Agreement, and any vacation accrued
                  to the date of death.

         (ii)     Any benefits to which Employee may be entitled pursuant to the
                  plans, policies and arrangements referred to in Section 4(c)
                  hereof as determined and paid in accordance with the terms of
                  such plans, policies and arrangements.

         (iii)    An amount equal to the Base Salary (at the rate in effect as
                  of the date of Employee's death) which would have been payable
                  to Employee if Employee had continued in employment until the
                  end of the 30 day term beginning on the date of Employee's
                  death. Such amount shall be paid in a single lump sum cash
                  payment within thirty (30) days after Employee's death.

(b)      TERMINATION BY REASON OF TOTAL DISABILITY. In the event that Employee's
         employment is terminated by reason of Employee's Total Disability as
         determined in accordance with Section 5(b), the Company shall pay the
         following amounts to Employee:

         (i)      Any accrued but unpaid Base Salary for services rendered to
                  the date of termination, any accrued but unpaid expenses
                  required to be reimbursed under this Agreement, any vacation
                  accrued to the date of termination.

         (ii)     Any benefits to which Employee may be entitled pursuant to the
                  plans, policies and arrangements referred to in Section 4(c)
                  hereof shall be determined and paid in accordance with the
                  terms of such plans, policies and arrangements.

         (iii)    An amount equal to

                  (a)      the Base Salary (at the rate in effect as of the date
                           of Employee's Total Disability) which would have been
                           payable to Employee if Employee had continued in
                           active employment

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                           until the end of the 6-month period beginning on the
                           date of Employee's termination; reduced by

                  (b)      the maximum annual amount of the long term disability
                           benefits payable to Employee under the Company's
                           long-term disability plan as determined prior to the
                           reduction of such benefits under the terms of the
                           plan for other disability income.

                  Payment shall be made at the same time and in the same manner
                  as such compensation would have been paid if Employee had
                  remained in active employment until the end of such period.

(c)      TERMINATION FOR CAUSE OR VOLUNTARY TERMINATION BY EMPLOYEE. In the
         event that Employee's employment is terminated by the Company for Cause
         pursuant to Section 5(c), or Employee terminates employment pursuant to
         Section 5(d), the Company shall pay the following amounts to Employee:

         (i)      Any accrued but unpaid Base Salary for services rendered to
                  the date of termination, any accrued but unpaid expenses
                  required to be reimbursed under this Agreement, any vacation
                  accrued to the date of termination.

         (ii)     Any benefits to which Employee may be entitled pursuant to the
                  plans, policies and arrangements referred to in Section 4(c)
                  hereof shall be determined and paid in accordance with the
                  terms of such plans, policies and arrangements.

(d)      TERMINATION BY THE COMPANY WITHOUT CAUSE. In the event that Employee's
         employment is terminated by the Company pursuant to Section 5(e) for
         reasons other than death, Total Disability or Cause, the Company shall
         pay the following amounts to Employee:

         (i)      Any accrued but unpaid Base Salary for services rendered to
                  the date of termination, any accrued but unpaid expenses
                  required to be reimbursed under this Agreement, any vacation
                  accrued to the date of termination.

         (ii)     Any benefits to which Employee may be entitled pursuant to the
                  plans, policies and arrangements referred to in Section 4(c)
                  hereof shall be determined and paid in accordance with the
                  terms of such plans, policies and arrangements.

         (iii)    The Base Salary (at the rate in effect as of the date of
                  Employee's termination) which would have been payable to
                  Employee if Employee had continued in active employment until
                  the later of: (a) the period ending on the last day of the
                  current term; or (b) the end of the twelve (12) month period
                  beginning on the date of Employee's termination. Payment shall
                  be made at the same time and in the same manner as such
                  compensation would have been paid if Employee had remained in
                  active employment until the end of such period. The Employee
                  shall also be eligible for a bonus or incentive compensation
                  payment to the extent bonuses are paid to similarly situated
                  employees, pro-rated for the year in which the Employee is
                  terminated, and paid when similarly situated employees are
                  paid.

         (iv)     The Company completely at its expense will continue for
                  Employee and Employee's spouse and dependents, group health
                  plans, programs or arrangements, in which Employee was
                  entitled to participate at any time during the twelve-month
                  period prior to the date of termination, until the earlier of:
                  (a) last day of period during which Employee receives payment
                  in accordance with clause (iii) above; (b) Employee's death
                  (provided that benefits payable to Employee's beneficiaries
                  shall not terminate upon Employee's death); or (c) with
                  respect to any particular plan, program or arrangement, the
                  date Employee becomes covered by a comparable benefit provided
                  by a subsequent employer.

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(e)      NO OTHER BENEFITS OR COMPENSATION. Except as may be provided under this
         Agreement, under the terms of any incentive compensation, employee
         benefit, or fringe benefit plan applicable to Employee at the time of
         Employee's termination or resignation of employment, Employee shall
         have no right to receive any other compensation, or to participate in
         any other plan, arrangement or benefit, with respect to future periods
         after such termination or resignation.

(F)      SUSPENSION OR TERMINATION OF BENEFITS AND COMPENSATION. In the event
         that the Company, in its sole discretion determines that, without the
         Company's express written consent, Employee has

         (i)      directly or indirectly engaged in, assisted or have any active
                  interest or involvement whether as an employee, agent,
                  consultant, creditor, advisor, officer, director, stockholder
                  (excluding holding of less than 1% of the stock of a public
                  company), partner, proprietor, or any type of principal
                  whatsoever, in any person, firm, or business entity which is
                  directly or indirectly competitive with the Company or any of
                  its affiliates, or

         (ii)     directly or indirectly, for or on behalf of any person, firm,
                  or business entity which is directly or indirectly competitive
                  with the Company or any of its affiliates (a) solicited or
                  accepted from any person or entity who is or was a client of
                  the Company during the term of Employee's employment hereunder
                  or during any of the twelve calendar months preceding or
                  following the termination of Employee's employment any
                  business for services similar to those rendered by the
                  Company, (b) requested or advised any present or future
                  customer of the Company to withdraw, curtail or cancel its
                  business dealings with the Company, or (c) requested or
                  advised any employee of the Company to terminate his or her
                  employment with the Company;

         the Company shall have the right to suspend or terminate any or all
         remaining benefits payable pursuant to Section 6 of this Agreement.
         Such suspension or termination of benefits shall be in addition to and
         shall not limit any and all other rights and remedies that the Company
         may have against Employee.

7. RESIGNATION BY EXECUTIVE FOR GOOD REASON AND COMPENSATION PAYABLE FOLLOWING
CHANGE IN CONTROL.

(a)      RESIGNATION FOR GOOD REASON FOLLOWING CHANGE IN CONTROL. In the event a
         "Change in Control" occurs, Executive will be paid the compensation
         described in this Section 7 if Executive resigns or is terminated (both
         a "resignation" and "termination" being referred to as "termination"
         for the purposes of this Section 7) from employment with the Company at
         any time prior to the six (6) month anniversary of the date of the
         Change in Control following the occurrence of any of the following
         events:

         (i)      the removal of Executive as President of Canadian Waste
                  Services, Inc., except in connection with the termination of
                  Executive's employment as a result of death, or by the Company
                  for Disability or Cause, or by Executive other than for the
                  reasons described in this Section 7(a);

         (ii)     a reduction by the Company in Executive's Base Salary as in
                  effect immediately before a Change in Control plus all
                  increases therein subsequent thereto;

         (iii)    the failure of the Company substantially to maintain and to
                  continue Executive's participation in the Company's benefit
                  plans as in effect immediately before a Change in Control and
                  with all improvements therein subsequent thereto (other than
                  those plans or improvements that have expired thereafter in
                  accordance with their original terms), or the taking of any
                  action which would materially reduce Executive's benefits
                  under any of such plans or deprive Executive of any material
                  fringe benefit enjoyed by Executive immediately before a
                  Change in Control, unless such reduction or termination is
                  required by law;

         (iv)     the failure of the Company to provide Executive with an
                  appropriate adjustment to compensation

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                  such as a lump sum relocation bonus, salary adjustment and/or
                  housing allowance so that Executive can purchase comparable
                  primary housing if required to relocate (it being the
                  intention of this Section 7[a][iv] to keep the Executive
                  "whole" if required to relocate). In this regard, comparable
                  housing shall be determined by comparing factors such as
                  location (taking into account, by way of example, items such
                  as the value of the surrounding neighborhood, reputation of
                  the public school district, if applicable, security and
                  proximity to Executive's place of work), quality of
                  construction, design, age, size of the housing and the ratio
                  of the monthly payments including principle, interest, taxes
                  and insurance to the Executive's take home pay, to housing
                  most recently owned by Executive prior to, or as of the
                  effective date of the change of control;

         (v)      the failure by the Company to pay Executive any portion of
                  Executive's current compensation, or any portion of
                  Executive's compensation deferred under any plan, agreement or
                  arrangement of or with the Company, within seven (7) days of
                  the date such compensation is due; or

         (vi)     the failure by the Company to obtain an assumption of, and
                  agreement to perform the obligations of the Company under this
                  Agreement by any successor to the Company.

(b)      COMPENSATION PAYABLE. In the event that Executive terminates employment
         pursuant to Section 7(a), the Company shall pay the following amounts
         to Executive:

         (i)      Any accrued but unpaid Base Salary for services rendered to
                  the date of termination, any accrued but unpaid expenses
                  required to be reimbursed under this Agreement, any vacation
                  accrued to the date of termination.

         (ii)     Any benefits to which Executive may be entitled pursuant to
                  the plans, policies and arrangements referred to in Section 4c
                  hereof, shall be determined and paid in accordance with the
                  terms of such plans, policies and arrangements.

         (iii)    The payments and benefits provided for in Section 6(d) except
                  that the period with respect to which severance is calculated
                  pursuant to Section 6 (d) (iii) will be three years and the
                  benefit continuation period in Section (d) (iv) will be three
                  years.

         (iv)     Executive will be 100% vested in all benefits, awards, and
                  grants (including stock options) accrued but unpaid as of the
                  date of termination under any non-qualified pension plan,
                  supplemental and/or incentive compensation or bonus plans, in
                  which Executive was a participant as of the date of
                  termination. Executive shall also be eligible for a bonus or
                  incentive compensation payment (the "bonus payment"), payable
                  at 100% of the maximum bonus available to Executive. The bonus
                  payment shall be payable within five (5) days after the
                  effective date of Employee's termination. Employee shall have
                  until the expiration date shown on the stock option award in
                  which to exercise the options which have vested pursuant to
                  this section.

         Except as may be provided under this Section 7 or under the terms of
         any incentive compensation, employee benefit, or fringe benefit plan
         applicable to Executive at the time of Executive's resignation from
         employment, Executive shall have no right to receive any other
         compensation, or to participate in any other plan, arrangement or
         benefit, with respect to future periods after such resignation or
         termination.

(c)      CERTAIN ADDITIONAL PAYMENTS BY THE COMPANY. In the event that any
         portion of the benefits payable under this Agreement, and any other
         payments and benefits under any other agreement with, or plan of the
         Company to or for the benefit of the Executive (in aggregate, "Total
         Payments") constitute an "excess parachute payment" within the meaning
         of Section 280G of the Internal Revenue Code (the "Code"), then the
         Company shall pay the Executive as promptly as practicable following
         such determination an additional amount (the "Gross-up Payment")
         calculated as described below to reimburse the Executive on an
         after-tax basis for any excise tax imposed on such payments under
         Section 4999 of the Code. The Gross-up Payment shall equal the amount,
         if any, needed to ensure that the net parachute payments

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         (including the Gross-up Payment) actually received by the Executive
         after the imposition of federal and state income, employment and excise
         taxes (including any interest or penalties imposed by the Internal
         Revenue Service), are equal to the amount that the Executive would have
         netted after the imposition of federal and state income and employment
         taxes, had the Total Payments not been subject to the taxes imposed by
         Section 4999. For purposes of this calculation, it shall be assumed
         that the Executive's tax rate will be the maximum federal rate to be
         computed with regard to Section 1(g) of the Code.

         In the event that the Executive and the Company are unable to agree as
         to the amount of the Gross-up Payment, if any, the Company shall select
         a law firm or accounting firm from among those regularly consulted
         (during the twelve-month period immediately prior to a
         Change-in-Control) by the Company regarding federal income tax matters
         and such law firm or accounting firm shall determine the amount of
         Gross-up Payment and such determination shall be final and binding upon
         the Executive and the Company.

(d)      CHANGE IN CONTROL. For purposes of this Agreement, "Change in Control"
         means the occurrence of any of the following events:

         (i)      Any transfer to, assignment to, or any acquisition by any
                  person, corporation or other entity, or group thereof, of the
                  beneficial ownership, within the meaning of Section 13(d) of
                  the Securities Exchange Act of 1934, of any securities of the
                  Company, which transfer, assignment or acquisition results in
                  such person, corporation, entity, or group thereof, becoming
                  the beneficial owner, directly or indirectly, of securities of
                  the Company representing 25 percent (25%) or more of the
                  combined voting power of the Company's then outstanding
                  securities; or

         (ii)     As a result of a tender offer, merger, consolidation, sale of
                  assets, or contested election, or any combination of such
                  transactions, the persons who were directors immediately
                  before the transaction shall cease to constitute a majority of
                  the Board of Directors of the Company or any successor to the
                  Company.

8. RESTRICTIVE COVENANTS

(a)      COMPETITIVE ACTIVITY. Employee covenants and agrees that at all times
         during Employee's period of employment with the Company, and while
         Employee is receiving payments pursuant to Section 6 of this Agreement,
         Employee will not, directly or indirectly, engage in, assist, or have
         any active interest or involvement, whether as an employee, agent,
         consultant, creditor, advisor, officer, director, stockholder
         (excluding holding of less than 1% of the stock of a public company),
         partner, proprietor or any type of principal whatsoever in any person,
         firm, or business entity which, directly or indirectly, is engaged in
         the same business as that conducted and carried on by the Company,
         without the Company's specific written consent to do so. Furthermore,
         in consideration of the specialized training and access to confidential
         information, for a period of one (1) year after the date of termination
         of Employee's employment, or one (1) year following the cessation of
         payments made pursuant to Section 6 of this Agreement, whether such
         termination is voluntary or involuntary, by wrongful discharge, or
         otherwise, whichever date is later, Employee will not directly or
         indirectly, engage in a competitive activity in any of the geographic
         markets in which the Employee has worked for the twelve (12) months
         preceding his termination, or within 75 miles of the principal place of
         business of the Company, the principal place of business of any
         corporation or other entity owned, controlled by (or otherwise
         affiliated with) the Company by which Employee may also be employed or
         served by Employee, or any other geographic location in which Employee
         has specifically represented the interests of the Company or such other
         affiliated entity, during the twelve (12) months prior to the
         termination of Employee's employment, engage in, assist, or have any
         active interest or involvement, whether as an employee, agent,
         consultant, creditor, advisor, officer, director, stockholder
         (excluding holding of less than 1% of the stock of a public company),
         partner, proprietor or any type of principal whatsoever in any person,
         firm, or business entity

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         which, directly or indirectly, is engaged in the same business as that
         conducted and carried on by the Company, without the Company's specific
         written consent to do so.

(b)      NON-SOLICITATION. Employee covenants and agrees that at all times
         during Employee's period of employment with the Company, and for a
         period of one (1) year after the date of termination of Employee's
         employment, or the date of the cessation of payments made to the
         Employee pursuant to Section 6 of this Agreement, whichever is later,
         whether such termination is voluntary or involuntary by wrongful
         discharge, or otherwise, Employee will not directly or indirectly (i)
         induce any customers of the Company or corporations affiliated with the
         Company to patronize any similar business which competes with any
         material business of the Company; (ii) canvass, solicit or accept any
         similar business from any customer of the Company or corporations
         affiliated with the Company; (iii) directly or indirectly request or
         advise any customers of the Company or corporations affiliated with the
         Company to withdraw, curtail or cancel such customer's business with
         the Company; (iv) directly or indirectly disclose to any other person,
         firm or corporation the names or addresses of any of the customers of
         the Company or corporations affiliated with the Company; or (v)
         individually of through any person, firm, association or corporation
         with which Employee is now or may hereafter become associated, cause,
         solicit, entice, or induce any present or future employee of the
         Company, or any corporation affiliated with the Company to leave the
         employ of the Company, or such other corporation to accept employment
         with, or compensation from, the Employee or any such person, firm,
         association or corporation without the prior written consent of the
         Company.

(c)      NON-DISPARAGEMENT. Employee covenants and agrees that Employee shall
         not engage in any pattern of conduct that involves the making or
         publishing of written or oral statements or remarks (including, without
         limitation, the repetition or distribution of derogatory rumors,
         allegations, negative reports or comments) which are disparaging,
         deleterious or damaging to the integrity, reputation or good will of
         the Company, its management, or of management of corporations
         affiliated with the Company.

(d)      PROTECTED INFORMATION. Employee recognizes and acknowledges that
         Employee has had and will continue to have access to various
         confidential or proprietary information concerning the Company and
         corporations affiliated with the Company of a special and unique value
         which may include, without limitation, (i) books and records relating
         to operation, finance, accounting, sales, personnel and management,
         (ii) policies and matters relating particularly to operations such as
         customer service requirements, costs of providing service and
         equipment, operating costs and pricing matters, and (iii) various trade
         or business secrets, including business opportunities, marketing or
         business diversification plans, business development and bidding
         techniques, methods and processes, financial data and the like
         (collectively, the "Protected Information"). Employee therefore
         covenants and agrees that Employee will not at any time, either while
         employed by the Company or afterwards, knowingly make any independent
         use of, or knowingly disclose to any other person or organization
         (except as authorized by the Company) any of the Protected Information.

9. ENFORCEMENT OF COVENANTS.

(a)      TERMINATION OF EMPLOYMENT AND FORFEITURE OF COMPENSATION. Employee
         agrees that any breach by Employee of any of the covenants set forth in
         Section 7 hereof during Employee's employment by the Company, shall be
         grounds for immediate dismissal of Employee and forfeiture of any
         accrued and unpaid salary, bonus, commissions or other compensation of
         such Employee as liquidated damages, which shall be in addition to and
         not exclusive of any and all other rights and remedies the Company may
         have against Employee.

(b)      RIGHT TO INJUNCTION. Employee acknowledges that a breach of the
         covenants set forth in Section 7 hereof will cause irreparable damage
         to the Company with respect to which the Company's remedy at law for
         damages will be inadequate. Therefore, in the event of breach of
         anticipatory breach of the covenants set

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         forth in this section by Employee, Employee and the Company agree that
         the Company shall be entitled to the following particular forms of
         relief, in addition to remedies otherwise available to it at law or
         equity; (i) injunctions, both preliminary and permanent, enjoining or
         retraining such breach or anticipatory breach and Employee hereby
         consents to the issuance thereof forthwith and without bond by any
         court of competent jurisdiction; and (ii) recovery of all reasonable
         sums expended and costs, including reasonable attorney's fees, incurred
         by the Company to enforce the covenants set forth in this section.

(c)      SEPARABILITY OF COVENANTS. The covenants contained in Section 7 hereof
         constitute a series of separate covenants, one for each applicable
         State in the United States and the District of Columbia, and one for
         each applicable foreign country. If in any judicial proceeding, a court
         shall hold that any of the covenants set forth in Section 7 exceed the
         time, geographic, or occupational limitations permitted by applicable
         laws, Employee and the Company agree that such provisions shall and are
         hereby reformed to the maximum time, geographic, or occupational
         limitations permitted by such laws. Further, in the event a court shall
         hold unenforceable any of the separate covenants deemed included
         herein, then such unenforceable covenant or covenants shall be deemed
         eliminated from the provisions of this Agreement for the purpose of
         such proceeding to the extent necessary to permit the remaining
         separate covenants to be enforced in such proceeding. Employee and the
         Company further agree that the covenants in Section 7 shall each be
         construed as a separate agreement independent of any other provisions
         of this Agreement, and the existence of any claim or cause of action by
         Employee against the Company whether predicated on this Agreement or
         otherwise, shall not constitute a defense to the enforcement by the
         Company of any of the covenants of Section 7.

10. WITHHOLDING OF TAXES.

The Company may withhold from any compensation and benefits payable under this
Agreement all applicable federal, state, local, or other taxes.

                                  Page 9 of 11
<PAGE>   10

11. NON-DISCLOSURE OF AGREEMENT TERMS.

Employee agrees that Employee will not disclose the terms of this Agreement to
any third party other than Employee's immediate family, attorney, accountants,
or other consultants or advisors or except as may be required by any
governmental authority.

12. SOURCE OF PAYMENTS.

All payments provided under this Agreement, other than payments made pursuant to
a plan which provides otherwise, shall be paid from the general funds of the
Company, and no special or separate fund shall be established, and no other
segregation of assets made, to assure payment. Employee shall have no right,
title or interest whatever in or to any investments which the Company may make
to aid the Company in meeting its obligations hereunder. To the extent that any
person acquires a right to receive payments from the Company hereunder, such
right shall be no greater than the right of an unsecured creditor of the
Company.

13. ASSIGNMENT.

Except as otherwise provided in this Agreement, this Agreement shall inure to
the benefit of and be binding upon the parties hereto and their respective
heirs, representatives, successors and assigns. This Agreement shall not be
assignable by Employee.

14. ENTIRE AGREEMENT; AMENDMENT.

This Agreement shall supersede any and all existing oral or written agreements,
representations, or warranties between Employee and the Company or any of its
subsidiaries or affiliated entities relating to the terms of Employee's
employment by the Company. It may not be amended except by a written agreement
signed by both parties.

15. GOVERNING LAW.

This Agreement shall be governed by and construed in accordance with the laws of
the State of Texas, applicable to agreements made and to be performed in that
State, without regard to its conflict of laws provisions.

16. NOTICES.

Any notice, consent, request or other communication made or given in connection
with this Agreement shall be in writing and shall be deemed to have been duly
given when delivered or mailed by registered or certified mail, return receipt
requested, or by facsimile or by hand delivery, to those listed below at their
following respective addresses or at such other address as each may specify by
notice to the others:

         To the Company:         Waste Management, Inc.
                                 1001 Fannin, Suite 4000
                                 Houston, Texas 77002
                                 Attention: Corporate Secretary

         To Employee:            At the address for Employee set forth below.

                                  Page 10 of 11
<PAGE>   11

17. MISCELLANEOUS.

(a)      WAIVER. The failure of a party to insist upon strict adherence to any
         term of this Agreement on any occasion shall not be considered a waiver
         thereof or deprive that party of the right thereafter to insist upon
         strict adherence to that term or any other term of this Agreement.

(b)      SEPARABILITY. Subject to Section 8 hereof, if any term or provision of
         this Agreement is declared illegal or unenforceable by any court of
         competent jurisdiction and cannot be modified to be enforceable, such
         term or provision shall immediately become null and void, leaving the
         remainder of this Agreement in full force and effect.

(c)      HEADINGS. Section headings are used herein for convenience of reference
         only and shall not affect the meaning of any provision of this
         Agreement.

(d)      RULES OF CONSTRUCTION. Whenever the context so requires, the use of the
         singular shall be deemed to include the plural and vice versa.

(e)      COUNTERPARTS. This Agreement may be executed in any number of
         counterparts, each of which so executed shall be deemed to be an
         original, and such counterparts will together constitute but one
         Agreement.

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

CANADIAN WASTE SERVICES, INC.

By:  /s/ Susan Piller
    -----------------------------------------------

Name:  Susan Piller
      ---------------------------------------------

Title:  Senior Vice President of Employee Relations
       --------------------------------------------

Date:  1/25/00
      ---------------------------------------------

EMPLOYEE

     Jeff M. Harris
    -----------------------------------------------

Date:  1/20/00
      ---------------------------------------------

Address:
         ------------------------------------------

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

                                 Page 11 of 11<PAGE>   1

                                                                    EXHIBIT 4(a)

                                                                  EXECUTION COPY

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

                         ANADARKO PETROLEUM CORPORATION

                                      AND

                              THE BANK OF NEW YORK
                                    TRUSTEE

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

                                   INDENTURE

                           DATED AS OF MARCH 9, 2001

                               ------------------
                             SENIOR DEBT SECURITIES
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
<PAGE>   2

                         ANADARKO PETROLEUM CORPORATION
         RECONCILIATION AND TIE BETWEEN TRUST INDENTURE ACT OF 1939, AS
             AMENDED, AND INDENTURE, DATED AS OF SEPTEMBER 1, 1997

<TABLE>
<CAPTION>
TRUST INDENTURE
ACT SECTION                                                    INDENTURE SECTION
<C>      <S>     <C>                                           <C>
sec. 310(a) (1)  ..........................................    609
     (a) (2)     ..........................................    609
     (a) (3)     ..........................................    Not Applicable
     (a) (4)     ..........................................    Not Applicable
     (a) (5)     ..........................................    609
     (b)         ..........................................    608
sec. 311         ..........................................    613
sec. 312(a)      ..........................................    701
                 ..........................................    702(a)
     (b)         ..........................................    702(b)
     (c)         ..........................................    702(c)
sec. 313(a)      ..........................................    703
     (b)         ..........................................    *
     (c)         ..........................................    *
     (d)         ..........................................    703
sec. 314(a)      ..........................................    704
     (a) (4)     ..........................................    1006
     (b)         ..........................................    Not Applicable
     (c) (1)     ..........................................    102
     (c) (2)     ..........................................    102
     (c) (3)     ..........................................    Not Applicable
     (d)         ..........................................    Not Applicable
     (e)         ..........................................    102
sec. 315(a)      ..........................................    601(a)
     (b)         ..........................................    602
     (c)         ..........................................    601(b)
     (d)         ..........................................    601(c)
     (d) (1)     ..........................................    601(a)(1)
     (d) (2)     ..........................................    601(c)(2)
     (d) (3)     ..........................................    601(c)(3)
     (e)         ..........................................    514
sec. 316(a)      ..........................................    101
     (a) (1)(A)  ..........................................    502, 512
     (a) (1)(B)  ..........................................    513
     (a) (2)     ..........................................    Not Applicable
     (b)         ..........................................    508
     (c)         ..........................................    104(d)
sec. 317(a) (1)  ..........................................    503
     (a) (2)     ..........................................    504
     (b)         ..........................................    1003
sec. 318(a)      ..........................................    107
</TABLE>

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

NOTE: This reconciliation and tie shall not, for any purpose, be deemed to be a
part of the Indenture.

 *  Deemed included pursuant to Section 318(c) of the Trust Indenture Act.

<PAGE>   3

                               TABLE OF CONTENTS

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

<TABLE>
<CAPTION>
                                                                     PAGE
                                                                     -----
<S>            <C>                                                   <C>
PARTIES............................................................    1
RECITALS OF THE COMPANY............................................    1

                               ARTICLE ONE
         DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION
SECTION  101.  Definitions.........................................    1
SECTION  102.  Compliance Certificates and Opinions................    9
SECTION  103.  Form of Documents Delivered to Trustee..............   10
SECTION  104.  Acts of Holders.....................................   10
SECTION  105.  Notices, Etc., to Trustee and Company...............   12
SECTION  106.  Notice to Holders; Waiver...........................   12
SECTION  107.  Conflict With Trust Indenture Act...................   13
SECTION  108.  Effect of Headings and Table of Contents............   13
SECTION  109.  Successors and Assigns..............................   13
SECTION  110.  Separability Clause.................................   13
SECTION  111.  Benefits of Indenture...............................   14
SECTION  112.  Governing Law.......................................   14
SECTION  113.  Legal Holidays......................................   14
SECTION  114.  Securities in a Composite Currency, Currency Unit,
                 Foreign Currency or in ECU........................   14
SECTION  115.  Judgment Currency...................................   15

                               ARTICLE TWO
                              SECURITY FORMS
SECTION  201.  Forms Generally.....................................   16
SECTION  202.  Form of Face of Security............................   17
SECTION  203.  Form of Reverse of Security.........................   20
SECTION  204.  Global Securities...................................   26
SECTION  205.  Form of Trustee's Certificate of Authentication.....   27

                              ARTICLE THREE
                              THE SECURITIES
SECTION  301.  Amount Unlimited; Issuable in Series................   27
SECTION  302.  Denominations.......................................   30
SECTION  303.  Execution, Authentication, Delivery and Dating......   31
</TABLE>

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

NOTE: This table of contents shall not, for any purpose, be deemed to be a part
of the Indenture.
<PAGE>   4
                                        ii

<TABLE>
<CAPTION>
                                                                     PAGE
                                                                     -----
<S>            <C>                                                   <C>
SECTION  304.  Temporary Securities................................   33
SECTION  305.  Registration, Registration of Transfer and
                 Exchange..........................................   34
SECTION  306.  Mutilated, Destroyed, Lost and Stolen Securities....   37
SECTION  307.  Payment of Interest; Interest Rights Preserved......   38
SECTION  308.  Persons Deemed Owners...............................   39
SECTION  309.  Cancellation........................................   40
SECTION  310.  Computation of Interest.............................   40
SECTION  311.  Cusip Numbers.......................................   40

                               ARTICLE FOUR
                        SATISFACTION AND DISCHARGE
SECTION  401.  Satisfaction and Discharge of Indenture.............   40
SECTION  402.  Application of Trust Money..........................   42

                               ARTICLE FIVE
                                 REMEDIES
SECTION  501.  Events of Default...................................   42
SECTION  502.  Acceleration of Maturity; Rescission and
                 Annulment.........................................   44
SECTION  503.  Collection of Indebtedness and Suits for Enforcement
                 by Trustee........................................   45
SECTION  504.  Trustee May File Proofs of Claim....................   46
SECTION  505.  Trustee May Enforce Claims Without Possession of
                 Securities........................................   47
SECTION  506.  Application of Money Collected......................   47
SECTION  507.  Limitation On Suits.................................   48
SECTION  508.  Unconditional Right of Holders to Receive Principal,
                 Premium and Interest..............................   49
SECTION  509.  Restoration of Rights and Remedies..................   49
SECTION  510.  Rights and Remedies Cumulative......................   49
SECTION  511.  Delay or Omission Not Waiver........................   50
SECTION  512.  Control by Holders..................................   50
SECTION  513.  Waiver of Past Defaults.............................   50
SECTION  514.  Undertaking for Costs...............................   51
SECTION  515.  Waiver of Usury, Stay or Extension Laws.............   51

                               ARTICLE SIX
                               THE TRUSTEE
SECTION  601.  Certain Duties and Responsibilities.................   52
SECTION  602.  Notice of Defaults..................................   53
SECTION  603.  Certain Rights of Trustee...........................   54
</TABLE>

<PAGE>   5
                                       iii

<TABLE>
<CAPTION>
                                                                     PAGE
                                                                     -----
<S>            <C>                                                   <C>
SECTION  604.  Not Responsible for Recitals or Issuance of
                 Securities........................................   55
SECTION  605.  May Hold Securities.................................   55
SECTION  606.  Money Held in Trust.................................   56
SECTION  607.  Compensation and Reimbursement......................   56
SECTION  608.  Disqualification; Conflicting Interests.............   57
SECTION  609.  Corporate Trustee Required; Eligibility.............   57
SECTION  610.  Resignation and Removal; Appointment of Successor...   57
SECTION  611.  Acceptance of Appointment by Successor..............   59
SECTION  612.  Merger, Conversion, Consolidation or Succession to
                 Business..........................................   61
SECTION  613.  Preferential Collection of Claims Against Company...   61
SECTION  614.  Appointment of Authenticating Agent.................   62

                              ARTICLE SEVEN
            HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY
SECTION  701.  Company to Furnish Trustee Names and Addresses of
                 Holders...........................................   64
SECTION  702.  Preservation of Information; Communications to
                 Holders...........................................   65
SECTION  703.  Reports by Trustee..................................   66
SECTION  704.  Reports by Company..................................   66

                              ARTICLE EIGHT
                      CONSOLIDATION, MERGER AND SALE
SECTION  801.  Company May Consolidate, Etc., Only On Certain
                 Terms.............................................   67
SECTION  802.  Successor Substituted...............................   67

                               ARTICLE NINE
                         SUPPLEMENTAL INDENTURES
SECTION  901.  Supplemental Indentures Without Consent of
                 Holders...........................................   68
SECTION  902.  Supplemental Indentures With Consent of Holders.....   70
SECTION  903.  Execution of Supplemental Indentures................   71
SECTION  904.  Effect of Supplemental Indentures...................   71
SECTION  905.  Conformity With Trust Indenture Act.................   72
SECTION  906.  Reference in Securities to Supplemental
                 Indentures........................................   72
</TABLE>

<PAGE>   6
                                        iv

<TABLE>
<CAPTION>
                                                                     PAGE
                                                                     -----
<S>            <C>                                                   <C>
                               ARTICLE TEN
                                COVENANTS
SECTION 1001.  Payment of Principal, Premium and Interest..........   72
SECTION 1002.  Maintenance of Office or Agency.....................   72
SECTION 1003.  Money for Securities Payments to be Held in Trust...   73
SECTION 1004.  Corporate Existence.................................   75
SECTION 1005.  Limitation On Liens.................................   75
SECTION 1006.  Statement by Officers as to Default.................   77
SECTION 1007.  Waiver of Certain Covenants.........................   78

                              ARTICLE ELEVEN
                         REDEMPTION OF SECURITIES
SECTION 1101.  Applicability of Article............................   78
SECTION 1102.  Election to Redeem; Notice to Trustee...............   78
SECTION 1103.  Selection by Trustee of Securities to be Redeemed...   79
SECTION 1104.  Notice of Redemption................................   80
SECTION 1105.  Deposit of Redemption Price.........................   80
SECTION 1106.  Securities Payable On Redemption Date...............   80
SECTION 1107.  Securities Redeemed in Part.........................   81

                              ARTICLE TWELVE
                              SINKING FUNDS
SECTION 1201.  Applicability of Article............................   81
SECTION 1202.  Satisfaction of Sinking Fund Payments With
                 Securities........................................   82
SECTION 1203.  Redemption of Securities for Sinking Fund...........   82

                             ARTICLE THIRTEEN
                                DEFEASANCE
SECTION 1301.  Applicability of Article............................   83
SECTION 1302.  Legal Defeasance....................................   83
SECTION 1303.  Covenant Defeasance.................................   86
SECTION 1304.  Deposited Money and U.S. Government Obligations to
                 be Held in Trust..................................   88
SECTION 1305.  Repayment to Company................................   89
</TABLE>

<PAGE>   7

                                    PARTIES

     INDENTURE, dated as of March 9, 2001, between ANADARKO PETROLEUM
CORPORATION, a corporation duly organized and existing under the laws of the
State of Delaware (herein called the "Company"), having its principal office at
17001 Northchase Drive, Houston, Texas 77060, and The Bank of New York, a New
York banking corporation (herein called the "Trustee").

                            RECITALS OF THE COMPANY:

     The Company has duly authorized the execution and delivery of this
Indenture to provide for the issuance from time to time of its unsecured senior
debentures, notes or other evidences of indebtedness (herein called the
"Securities"), to be issued in one or more series as in this Indenture provided.

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

     This Indenture is subject to the provisions of the Trust Indenture Act of
1939 that are required to be a part of this Indenture and, to the extent
applicable, shall be governed by such provisions.

     NOW, THEREFORE, THIS INDENTURE WITNESSETH:

     For and in consideration of the premises and the purchase of the Securities
by the Holders thereof, it is mutually covenanted and agreed, for the equal and
proportionate benefit of all Holders of the Securities or of series thereof, as
follows:

                                  ARTICLE ONE

                        DEFINITIONS AND OTHER PROVISIONS
                             OF GENERAL APPLICATION

SECTION 101.  Definitions.

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

          (1) the terms defined in this Article have the meanings assigned to
     them in this Article and include the plural as well as the singular;
<PAGE>   8
                                        2

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

          (3) all accounting terms not otherwise defined herein have the
     meanings assigned to them in accordance with generally accepted accounting
     principles, and, except as otherwise herein expressly provided, the term
     "generally accepted accounting principles" with respect to any computation
     required or permitted hereunder shall mean such accounting principles as
     are generally accepted at the date of this instrument; and

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

     Certain terms, used principally in Article Six, are defined in that
Article.

     "Act," when used with respect to any Holder, has the meaning specified in
Section 104.

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

     "Authenticating Agent" means any Person authorized by the Trustee to act on
behalf of the Trustee to authenticate Securities.

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

     "Board Resolution" means a copy of a resolution certified by the Secretary
or an Assistant Secretary of the Company to have been duly adopted by the Board
of Directors and to be in full force and effect on the date of such
certification, and delivered to the Trustee. Where any provision of this
Indenture refers to action to be taken pursuant to a Board Resolution (including
the establishment of any series of the Securities and the forms and terms
thereof), such action may be taken by any committee,

 101
<PAGE>   9
                                        3

officer or employee of the Company authorized to take such action by the Board
of Directors as evidenced by a Board Resolution.

     "Business Day," when used with respect to any Place of Payment, means each
Monday, Tuesday, Wednesday, Thursday and Friday which is not a day on which
banking institutions in that Place of Payment are authorized or obligated by law
to close.

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

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

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

     "Consolidated Net Tangible Assets" means the aggregate amount of assets of
the Company and its Restricted Subsidiaries (less applicable reserves and other
properly deductible items but including investments in non-consolidated Persons)
after deducting therefrom (a) all current liabilities (excluding any thereof
constituting Funded Debt by reason of being renewable or extendible at the
option of the obligor) and (b) all goodwill, trade names, trademarks, patents,
unamortized debt discount and expense and other like intangibles, all as set
forth on a consolidated balance sheet of the Company and its consolidated
Subsidiaries and computed in accordance with generally accepted accounting
principles.

     "Corporate Trust Office" means the principal office of the Trustee at which
at any particular time its corporate trust business shall be administered and
which, at the date hereof, is located at 101 Barclay Street, Floor 21W, New
York, New York 10286, Attention: Corporate Trust Administration, or at such
other address as the Trustee may designate from time to time by notice to the
Holders and the Company, or the principal corporate trust office of any
successor Trustee.

                                                                             101
<PAGE>   10
                                        4

     "Defaulted Interest" has the meaning specified in Section 307.

     "Depositary" means, with respect to the Securities of any series issuable
or issued in whole or in part in the form of one or more Global Securities, the
Person designated as Depositary for the Securities of such series by the Company
pursuant to Section 301.

     "ECU" means the European Currency Unit as defined and revised from time to
time by the European Monetary System of the European Community.

     "Event of Default" has the meaning specified in Section 501.

     "Foreign Currency" means a currency used by the government of a country
other than the United States of America.

     "Funded Debt" means all indebtedness for money borrowed which is not by its
terms subordinated in right of payment to the prior payment in full of the
Securities, having a maturity of more than 12 months from the date as of which
the amount thereof is to be determined or having a maturity of less than 12
months but by its terms being (i) renewable or extendible beyond 12 months from
such date at the option of the obligor or (ii) issued in connection with a
commitment by a bank or other financial institution to lend so that such
indebtedness is treated as though it had a maturity in excess of 12 months
pursuant to generally accepted accounting principles.

     "Global Security" means a Security evidencing all or part of a series of
Securities, issued to and registered in the name of the Depositary for the
Securities of such series or its nominee.

     "Holder" means a Person in whose name a Security is registered in the
Security Register.

     "Indebtedness" means any indebtedness for money borrowed or representing
the deferred purchase price of property or assets purchased.

     "Indenture" means this instrument as originally executed or as it may from
time to time be supplemented or amended by one or more indentures supplemental
hereto entered into pursuant to the applicable provisions hereof and shall
include the terms of particular series of Securities established as contemplated
by Section 301.

     "Interest," when used with respect to an Original Issue Discount Security
which by its terms bears interest only after Maturity, means interest payable
after Maturity.

 101
<PAGE>   11
                                        5

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

     "Maturity," when used with respect to any Security, means the date on which
the principal of such Security or an installment of principal becomes due and
payable as therein or herein provided, whether at the Stated Maturity or by
declaration of acceleration, call for redemption or otherwise.

     "Mortgage" means and includes any mortgage, pledge, lien, security
interest, conditional sale or other title retention agreement or other similar
encumbrance.

     "Officers' Certificate" means a certificate signed by the Chairman of the
Board, the President or a Vice President, and by the Treasurer, an Assistant
Treasurer, the Controller, an Assistant Controller, the Secretary or an
Assistant Secretary, of the Company, and delivered to the Trustee.

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

     "Original Issue Discount Security" means any Security which provides for an
amount less than the principal amount thereof to be due and payable upon a
declaration of acceleration of the Maturity thereof pursuant to Section 502.

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

          (i) Securities theretofore canceled by the Trustee or delivered to the
     Trustee for cancellation;

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

          (iii) Securities which have been paid pursuant to Section 306 or in
     exchange for or in lieu of which other Securities have been authenticated
     and delivered pursuant to this Indenture, other than any such Securities in
     respect of which there shall have been presented to the

                                                                             101
<PAGE>   12
                                        6

     Trustee proof satisfactory to it that such Securities are held by a bona
     fide purchaser in whose hands such Securities are valid obligations of the
     Company; and

          (iv) Securities, except to the extent provided in Section 1302 or
     1303, as the case may be, with respect to which the Company has effected
     defeasance as provided in Article Thirteen, which continues in effect;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, (A) the principal
amount of an Original Issue Discount Security that shall be deemed to be
Outstanding shall be the amount of the principal thereof that would be due and
payable as of the date of such determination upon acceleration of the Maturity
thereof on such date pursuant to Section 502, (B) the principal amount of a
Security denominated in one or more currencies or currency units other than U.S.
dollars shall be the U.S. dollar equivalent of such currencies or currency
units, determined in the manner provided as contemplated by Section 301 on the
date of original issuance of such Security, of the principal amount (or, in the
case of an Original Issue Discount Security, the U.S. dollar equivalent (as so
determined) on the date of original issuance of such Security of the amount
determined as provided in Clause (A) above) of such Security, and (C) Securities
owned by the Company or any other obligor upon the Securities or any Affiliate
of the Company or of such other obligor shall be disregarded and deemed not to
be Outstanding, except that, in determining whether the Trustee shall be
protected in relying upon any such request, demand, authorization, direction,
notice, consent or waiver, only Securities which the Trustee knows to be so
owned shall be so disregarded. Securities so owned as described in Clause (C) of
the immediately preceding sentence which have been pledged in good faith may be
regarded as Outstanding if the pledgee establishes to the satisfaction of the
Trustee the pledgee's right so to act with respect to such Securities and that
the pledgee is not the Company or any other obligor upon the Securities or any
Affiliate of the Company or of such other obligor.

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

 101
<PAGE>   13
                                        7

     "Periodic Offering" means an offering of Securities of a series from time
to time, the specific terms of which Securities, including, without limitation,
the rate or rates of interest or formula for determining the rate or rates of
interest thereon, if any, the Stated Maturity or Stated Maturities thereof, the
original issue date or dates thereof, the redemption provisions, if any, with
respect thereto, and any other terms specified as contemplated by Section 301
with respect thereto, are to be determined by the Company upon the issuance of
such Securities.

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

     "Place of Payment," when used with respect to the Securities of any series,
means the place or places where the principal of (and premium, if any) and
interest on the Securities of that series are payable as contemplated by Section
301.

     "Predecessor Security" of any particular Security means every previous
Security evidencing all or a portion of the same debt as that evidenced by such
particular Security; and, for the purposes of this definition, any Security
authenticated and delivered under Section 306 in exchange for or in lieu of a
mutilated, destroyed, lost or stolen Security shall be deemed to evidence the
same debt as the mutilated, destroyed, lost or stolen Security.

     "Principal Property" means any manufacturing plant, processing plant,
property interest in oil, gas, coal or other minerals in place or in geothermal
resources in place, pipeline, warehouse, office building or interest in real
property which is located in the United States or offshore the United States and
owned by the Company or any Restricted Subsidiary, the gross book value (without
deduction of any depreciation or depletion reserves) of which on the date as of
which the determination is being made exceeds 2% of Consolidated Net Tangible
Assets, other than any such plant, property interest, pipeline, warehouse,
office building or interest in real property, or any portion of the foregoing,
which, in the opinion of the Board of Directors of the Company, is not of
material importance to the total business conducted by the Company and its
Subsidiaries as an entirety.

     "Redemption Date," when used with respect to any Security to be redeemed,
means the date fixed for such redemption by or pursuant to this Indenture.

                                                                             101
<PAGE>   14
                                        8

     "Redemption Price," when used with respect to any Security to be redeemed,
means the price at which it is to be redeemed pursuant to this Indenture.

     "Regular Record Date" for the interest payable on any Interest Payment Date
on the Securities of any series means the date specified for that purpose as
contemplated by Section 301.

     "Responsible Officer," when used with respect to the Trustee, means any
officer of the Trustee within the corporate trust department, including any Vice
President, assistant secretary, assistant treasurer, assistant cashier, trust
officer, assistant trust officer or assistant controller assigned to the
Corporate Trust Office, or any other officer of the Trustee customarily
performing functions similar to those performed by any of the above designated
officers and also means, with respect to a particular corporate trust matter,
any other officer of the Trustee to whom such matter is referred because of his
knowledge of and familiarity with the particular subject, and who shall have
direct responsibility for the administration of this Indenture.

     "Restricted Subsidiary" means a Subsidiary of the Company except a
Subsidiary (a) which neither transacts any substantial portion of its business
nor regularly maintains any substantial portion of its fixed assets within the
United States or offshore the United States or (b) which is engaged primarily in
financing the operations of the Company or its Subsidiaries, or both.

     "Securities" has the meaning stated in the first recital of this Indenture
and more particularly means any Securities authenticated and delivered under
this Indenture.

     "Security Register" and "Security Registrar" have the respective meanings
specified in Section 305.

     "Special Record Date" for the payment of any Defaulted Interest means a
date fixed by the Trustee pursuant to Section 307.

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

     "Subsidiary" means a corporation more than 50% of the outstanding voting
stock of which is owned, directly or indirectly, by the Company or by one or
more other Subsidiaries, or by the Company and one or more other

 101
<PAGE>   15
                                        9

Subsidiaries. For the purposes of this definition, "voting stock" means stock
which ordinarily has voting power for the election of directors, whether at all
times or only so long as no senior class of stock has such voting power by
reason of any contingency.

     "Trustee" means the Person named as the "Trustee" in the first paragraph of
this instrument until a successor Trustee shall have become such pursuant. to
the applicable provisions of this Indenture, and thereafter "Trustee" shall mean
or include each Person who is then a Trustee hereunder, and if at any time there
is more than one such Person, "Trustee" as used with respect to the Securities
of any series shall mean the Trustee with respect to Securities of that series.

     "Trust Indenture Act" means the Trust Indenture Act of 1939, as amended, as
in force at the date as of which this instrument was executed, except as
provided in Section 905.

     "U.S. Government Obligations" has the meaning assigned to such term in
Section 1303(1).

     "Vice President," when used with respect to the Company or the Trustee,
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 102.  Compliance Certificates and Opinions.

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

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

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

                                                                         101,102
<PAGE>   16
                                        10

          (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 individual, he has
     made such examination or investigation as is necessary to enable him to
     express an informed opinion as to whether or not such covenant or condition
     has been complied with; and

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

SECTION 103.  Form of Documents Delivered to Trustee.

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

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

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

SECTION 104.  Acts of Holders.

          (a) Any request, demand, authorization, direction, notice, consent,
     waiver or other action provided by this Indenture to be given or

 102,103,104
<PAGE>   17
                                        11

     taken by Holders may be embodied in and evidenced by one or more
     instruments of substantially similar tenor signed by such Holders in person
     or by agent duly appointed in writing; and, except as herein otherwise
     expressly provided, such action shall become effective when such instrument
     or instruments are delivered to the Trustee and, where it is hereby
     expressly required, to the Company. Such instrument or instruments (and the
     action embodied therein and evidenced thereby) are herein sometimes
     referred to as the "Act" of the Holders signing such instrument or
     instruments. Proof of execution of any such instrument or of a writing
     appointing any such agent shall be sufficient for any purpose of this
     Indenture and (subject to Section 601) conclusive in favor of the Trustee
     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 by the affidavit of a witness of such
     execution or by a certificate of a notary public or other officer
     authorized by law to take acknowledgements of deeds, certifying that the
     individual signing such instrument or writing acknowledged to him the
     execution thereof. Where such execution is by a signer acting in a capacity
     other than his individual capacity, such certificate or affidavit shall
     also constitute sufficient proof of his authority. The fact and date of the
     execution of any such instrument or writing, or the authority of the Person
     executing the same, may also be proved in any other manner which the
     Trustee deems sufficient.

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

          (d) If the Company shall solicit from Holders any request, demand,
     authorization, direction, notice, consent, waiver or other Act, the Company
     may, at its option, by Board Resolution, fix in advance a record date
     (which may be any date not less than 10 nor more than 60 days before such
     solicitation) for the determination of Holders entitled to give such
     request, demand, authorization, direction, notice, consent, waiver or other
     Act, but the Company shall have no obligation to do so. If such a record
     date is fixed, such request, demand, authorization, direction, notice,
     consent, waiver or other Act may be given before or after the record date,
     but only the Holders of record at the close of business on the record date
     shall be deemed to be Holders for the purposes of determining whether
     Holders of the requisite proportion of the Outstanding Securities or a
     series thereof have

                                                                             104
<PAGE>   18
                                        12

     authorized or agreed or consented to such request, demand, authorization,
     direction, notice, consent, waiver or other Act, and for that purpose the
     Outstanding Securities or a series thereof shall be computed as of the
     record date.

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

SECTION 105.  Notices, Etc., to Trustee and Company.

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

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

          (2) the Company by the Trustee or by any Holder shall be sufficient
     for every purpose hereunder (unless otherwise herein expressly provided) if
     in writing and mailed, first-class postage prepaid, to the Company
     addressed to it at the address of its principal office specified in the
     first paragraph of this instrument or sent by facsimile transmission to
     (713) 874-3264 and confirmed by voice at (713) 874-3346, in either case to
     the attention of Treasurer, or at any other address previously furnished in
     writing to the Trustee by the Company.

SECTION 106.  Notice to Holders; Waiver.

     Where this Indenture provides for notice to Holders of any event, such
notice shall be sufficiently given (unless otherwise herein expressly provided)
if in writing and mailed, first-class postage prepaid, to each Holder affected
by such event, at his address as it appears in the Security 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

 104,105,106
<PAGE>   19
                                        13

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

     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 Trustee shall constitute
a sufficient notification for every purpose hereunder.

SECTION 107.  Conflict with Trust Indenture Act.

     If any provision hereof limits, qualifies or conflicts with the duties
imposed by operation of Section 318(c) of the Trust Indenture Act, such imposed
duties shall control.

SECTION 108.  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 109.  Successors and Assigns.

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

SECTION 110.  Separability Clause.

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

                                                             106,107,108,109,110
<PAGE>   20
                                        14

SECTION 111.  Benefits of Indenture.

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

SECTION 112.  Governing Law.

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

SECTION 113.  Legal Holidays.

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

SECTION 114.  Securities in a Composite Currency, Currency Unit, Foreign
Currency or in ECU.

     Unless otherwise specified in an officer's Certificate delivered pursuant
to Section 301 of this Indenture with respect to a particular series of
Securities, whenever for purposes of this Indenture any action may be taken by
the Holders of a specified percentage in aggregate principal amount of
Securities of all series or all series affected by a particular action at the
time Outstanding and, at such time, there are Outstanding Securities of any
series which are denominated in a coin, currency or currencies other than
Dollars (including, but not limited to, any composite currency, currency units,
Foreign Currency or ECUs), then the principal amount of Securities of such
series which shall be deemed to be Outstanding for the purpose of taking such
action shall be that amount of Dollars that could be obtained for such amount at
the Market Exchange Rate. For purposes of this Section 114, the term "Market
Exchange Rate" shall mean the noon Dollar buying rate in The City of New York
for cable transfers of such currency or currencies as published by the Federal
Reserve Bank of New York as of the

 111,112,113,114
<PAGE>   21
                                        15

most recent available date; provided that, in the case of ECUs, Market Exchange
Rate shall mean the rate of exchange determined by the Commission of the
European Communities (or any successor thereto) as published in the Official
Journal of the European Communities (such publication or any successor
publication, the "Journal") as of the most recent available date. If such Market
Exchange Rate is not so available for any reason with respect to such currency,
the Trustee shall use, in its sole discretion and without liability on its part,
such quotation of the Federal Reserve Bank of New York or, in the case of ECUs,
the rate of exchange has published in the Journal, as of the most recent
available date, or quotations or, in the case of ECUs, rates of exchange from
one or more major banks in The City of New York or in the country of issue of
the currency in question, which for purposes of the ECU shall be Brussels,
Belgium, or such other quotations or, in the case of ECU, rates of exchange as
the Trustee shall deem appropriate. The provisions of this paragraph shall apply
in determining the equivalent principal amount in respect of Securities of a
series denominated in a currency other than Dollars in connection with any
action taken by Holders of Securities pursuant to the terms of this Indenture.

     All decisions and determinations of the Trustee regarding the Market
Exchange Rate or any alternative determination provided for in the preceding
paragraph shall be in its sole discretion and shall, in the absence of manifest
error, be conclusive to the extent permitted by law for all purposes and
irrevocably binding upon the Issuer and all Holders.

SECTION 115.  Judgment Currency.

     The Company agrees, to the fullest extent that it may effectively do so
under applicable law, that (a) if for the purpose of obtaining judgment in any
court it is necessary to convert the sum due in respect of the principal of or
interest on the Securities of any series (the "Required Currency") into a
currency in which a judgment will be rendered (the "Judgment Currency"), the
rate of exchange used shall be the rate at which in accordance with normal
banking procedures the Trustee could purchase in The City of New York the
Required Currency with the Judgment Currency on the day on which final
unappealable judgment is entered, unless such day is not a Banking Day, then, to
the extent permitted by applicable law, the rate of exchange used shall be the
rate at which in accordance with normal banking procedures the Trustee could
purchase in The City of New York the Required Currency with the Judgment
Currency on the Banking Day next preceding the day on which final unappealable
judgment is entered and (b) its obligations under this Indenture to make
payments in the Required
                                                                         114,115
<PAGE>   22
                                        16

Currency (i) shall not be discharged or satisfied by any tender, or any recovery
pursuant to any judgment (whether or not entered in accordance with subsection
(a)), in any currency other than the Required Currency, except to the extent
that such tender or recovery shall result in the actual receipt, by the payee,
of the full amount of the Required Currency expressed to be payable in respect
of such payments, (ii) shall be enforceable as an alternative or additional
cause of action for the purpose of recovering in the Required Currency the
amount, if any, by which such actual receipt shall fall short of the full amount
of the Required Currency so expressed to be payable and (iii) shall not be
affected by judgment being obtained for any other sum due under this Indenture.

                                  ARTICLE TWO

                                 SECURITY FORMS

SECTION 201.  Forms Generally.

     The Securities of each series shall be in substantially the form set forth
in this Article, or in such other form or forms as shall be established by or
pursuant to a Board Resolution or in one or more indentures supplemental hereto,
in each case with such appropriate insertions, omissions, substitutions and
other variations as are required or permitted by this Indenture, and may have
such letters, numbers or other marks of identification and such legends or
endorsements placed thereon as may be required to comply with the rules of any
securities exchange or as may, consistently herewith, be determined by the
officers executing such Securities, as evidenced by their execution of the
Securities. If the form or forms of Securities of any series is established by
action taken pursuant to a Board Resolution, either an Officers' Certificate
shall certify that such action shall have been duly taken or a copy of an
appropriate record of such action shall be certified by the Secretary or an
Assistant Secretary of the Company and, in either case, delivered to the Trustee
at or prior to the delivery of the Company Order contemplated by Section 303 for
the authentication and delivery of such Securities.

     The Trustee's certificates of authentication shall be in substantially the
form set forth in this Article.

     The definitive Securities shall be printed, lithographed or engraved on
steel engraved borders or may be produced in any other manner, all as

 115,201
<PAGE>   23
                                        17

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

     The forms of Global Securities of any series shall have such provisions and
legends as are customary for Securities of such series in global form, including
without limitation any legend required by the Depositary for the Securities of
such series.

SECTION 202.  Form of Face of Security.

     [If the Security is an Original Issue Discount Security, insert -- FOR
PURPOSES OF SECTION 1275 OF THE UNITED STATES INTERNAL REVENUE CODE OF 1986, AS
AMENDED, THE AMOUNT OF THE ORIGINAL ISSUE DISCOUNT IS , THE ISSUE DATE IS , 19
[AND] [,] THE YIELD TO MATURITY IS [,] [AND THE ORIGINAL ISSUE DISCOUNT FOR THE
SHORT ACCRUAL PERIOD IS AND THE METHOD USED TO DETERMINE THE YIELD THEREFOR IS
]]

     [Insert any other legend required by the United States Internal Revenue
Code or the regulations thereunder].

     [If a Global Security, -- insert legend required by Section 204 of the
Indenture] [If applicable, insert -- UNLESS THIS SECURITY IS PRESENTED BY AN
AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK
CORPORATION, TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE
OR PAYMENT, AND ANY SECURITY ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR
SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER
ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST
COMPANY), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR
TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN
INTEREST HEREIN.]

                         ANADARKO PETROLEUM CORPORATION
                    ........................................
No. .....                                                                 $.....

                                                           CUSIP No.

     ANADARKO PETROLEUM CORPORATION, a corporation duly organized and existing
under the laws of Delaware (herein called the "Company",

                                                                         201,202
<PAGE>   24
                                        18

which term includes any successor corporation under the Indenture hereinafter
referred to), for value received, hereby promises to pay to ..........
 ......................, or registered assigns, the principal sum of .....
 ............................................... Dollars on ........
 ........................................ [If the Security is to bear interest
prior to Maturity, insert -- , and to pay interest thereon from ...... .... or
from the most recent Interest Payment Date to which interest has been paid or
duly provided for, semi-annually on ...... and ...... in each year, commencing
 ......, at the rate of ...% per annum, until the principal hereof is paid or
made available for payment. The interest so payable, and punctually paid or duly
provided for, on any Interest Payment Date will, as provided in such Indenture,
be paid to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date
for such interest, which shall be the .... or .... (whether or not a Business
Day), as the case may be, next preceding such Interest Payment Date. Any such
interest not so punctually paid or duly provided for will forthwith cease to be
payable to the Holder on such Regular Record Date and may either be paid to the
Person in whose name this Security (or one or more Predecessor Securities) is
registered at the close of business on a Special Record Date for the payment of
such Defaulted Interest to be filled by the Trustee, notice whereof shall be
given to Holders of Securities of this series not less than 10 days prior to
such Special Record Date, or be paid at any time in any other lawful manner not
inconsistent with the requirements of any securities exchange on which the
Securities of this series may be listed, and upon such notice as may be required
by such exchange, all as more fully provided in said Indenture].

     [If the Security is not to bear interest prior to Maturity, insert -- The
principal of this Security shall not bear interest except in the case of a
default in payment of principal upon acceleration, upon redemption or at Stated
Maturity and in such case the overdue principal of this Security shall bear
interest at the rate of ....% per annum (to the extent that the payment of such
interest shall be legally enforceable), which shall accrue from the date of such
default in payment to the date payment of such principal has been made or duly
provided for. Interest on any overdue principal shall be payable on demand. Any
such interest on any overdue principal that is not so paid on demand shall bear
interest at the rate of .. ..% per annum (to the extent that the payment of such
interest shall be legally enforceable), which shall accrue from the date of such
demand for payment to the date payment of such interest has been made or duly
provided for, and such interest shall also be payable on demand.]

 202
<PAGE>   25
                                        19

     [If a Global Security, insert -- Payment of the principal of (and premium,
if any) and [if applicable, insert -- any such] interest on this Security by
transfer of immediately available funds to a bank account in .. ......
designated by the Holder 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 [state other currency].]

     [If a Definitive Security, insert -- Payment of the principal of (and
premium, if any) and [if applicable, insert -- any such] interest on this
Security will be made at the office or agency of the Company maintained for that
purpose in ........, 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]
[state other currency] [or subject to any laws or regulations applicable thereto
and to the right of the Company (as provided in the Indenture) to rescind the
designation of any such Paying Agent, at the [main] offices of ........ in
 ........ and ........ in ........, or at such other offices or agencies as the
Company may designate, by [United States Dollar] [state other currency] check
drawn on, or transfer to a [United States Dollar] account maintained by the
payee with, a bank in The City of New York (so long as the applicable Paying
Agency has received proper transfer instructions in writing at least [     ]
days prior to the payment date)] [if applicable, insert -- ; provided, however,
that payment of interest may be made at the option of the Company by [United
States Dollar] [state other currency] check mailed to the addresses of the
Persons entitled thereto as such addresses shall appear in the Security
Register] [or by transfer to a [United States Dollar] [state other currency]
account maintained by the payee with a bank in The City of New York [state other
Place of Payment] (so long as the applicable Paying Agent has received proper
transfer instructions in writing by the Record Date prior to the applicable
Interest Payment Date)].]

     Reference is hereby made to the further provisions of this Security 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 referred to on the reverse hereof by manual signature, this Security
shall not be entitled to any benefit under the Indenture or be valid or
obligatory for any purpose.

                                                                             202
<PAGE>   26
                                        20

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

Dated:

                                           ANADARKO PETROLEUM CORPORATION

                                           By:..................................
Attest:

 ..................................

SECTION 203.  Form of Reverse of Security.

     This Security is one of a duly authorized issue of senior securities of the
Company (herein called the "Securities"), issued and to be issued in one or more
series under an Indenture, dated as of March 9, 2001 (herein called the
"Indenture"), between the Company and The Bank of New York (herein called 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, limitations of rights, duties and
immunities thereunder of the Company, the Trustee and the Holders of the
Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered. This Security is one of the series designated on
the face hereof [, limited in aggregate principal amount to $..........].

     [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than .... days' notice by mail, [if applicable,
insert, -- (1) on .............. in any year commencing with the year .. .. and
ending with the year .... through operation of the sinking fund for this series
at a Redemption Price equal to 100% of the principal amount, and (2)] at any
time [on or after .........., 20...], as a whole or in part, at the election of
the Company, at the following Redemption Prices (expressed as percentages of the
principal amount): If redeemed [on or

 202,203
<PAGE>   27
                                        21

before ................, .....%, and if redeemed] during the 12-month period
beginning ........ of the years indicated,

<TABLE>
<CAPTION>
                                 REDEMPTION                  YEAR                  REDEMPTION
           YEAR                     PRICE                    ----                     PRICE
  <S>                      <C>                      <C>                      <C>

</TABLE>

and thereafter at a Redemption Price equal to ....% of the principal amount,
together in the case of any such redemption [if applicable, insert -- (whether
through operation of the sinking fund or otherwise)] with accrued interest to
the Redemption Date, but interest installments whose Stated Maturity is on or
prior to such Redemption Date will be payable to the Holders of such Securities,
or one or more Predecessor Securities, of record at the close of business on the
relevant Record Dates referred to on the face hereof, all as provided in the
Indenture.]

     [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than .... nor more than .... days' notice by mail, (1)
on .... in any year commencing with the year .... and ending with the year ....
through operation of the sinking fund for this series at the Redemption Prices
for redemption through operation of the sinking fund (expressed as percentages
of the principal amount) set forth in the table below, and (2) at anytime [on or
after ............], as a whole or in part, at the election of the Company, at
the Redemption Prices for redemption otherwise than through operation of the
sinking fund (expressed as percentages of the principal amount) set forth in the
table below:

                                                                             203
<PAGE>   28
                                        22

If redeemed during the 12-month period beginning ............ of the years
indicated,

<TABLE>
<CAPTION>
                                                                       REDEMPTION PRICE
                                   REDEMPTION PRICE                     FOR REDEMPTION
                                    FOR REDEMPTION                        OTHERWISE
                                  THROUGH OPERATION                      THAN THROUGH
                                        OF THE                         OPERATION OF THE
YEAR                                 SINKING FUND                        SINKING FUND
----                              -----------------                    ----------------
<S>                       <C>                                 <C>

</TABLE>

and thereafter at a Redemption Price equal to ....% of the principal amount,
together in the case of any such redemption (whether through operation of the
sinking fund or otherwise) with accrued interest to the Redemption Date, but
interest installments whose Stated Maturity is on or prior to such Redemption
Date will be payable to the Holders of such Securities, or one or more
Predecessor Securities, of record at the close of business on the relevant
Record Dates referred to on the face hereof, all as provided in the Indenture.]

     [If applicable, insert -- Notwithstanding the foregoing, the Company may
not, prior to ............, redeem any Securities of this series as contemplated
by [Clause (2) of] the preceding paragraph as a part of, or in anticipation of,
any refunding operation by the application, directly or indirectly, of moneys
borrowed having an interest cost to the Company (calculated in accordance with
generally accepted financial practice) of less than ....% per annum.]

     [If applicable, insert -- The sinking fund for this series provides for the
redemption on ........ in each year beginning with the year .... and ending with
the year .... of [not less than] $........ [("mandatory sinking fund") and not
more than $........] aggregate principal amount of Securities of this series.
[Securities of this series acquired or redeemed by the Company otherwise than
through [mandatory] sinking fund payments may be credited against subsequent
[mandatory] sinking fund payments otherwise required to be made -- in the
inverse order in which they become due.]

 203
<PAGE>   29
                                        23

     [If the Securities are subject to redemption in part of any kind, insert --
In the event of redemption of this Security in part only, a new Security or
Securities of this series for the unredeemed portion hereof will be issued in
the name of the Holder hereof upon the cancellation hereof.]

     [If applicable, insert -- The Securities of this series are not redeemable
prior to Stated Maturity.]

     [If the Security is not an Original Issue Discount Security, -- If an Event
of Default with respect to Securities of this series shall occur and be
continuing, the principal of the Securities of this series may be declared due
and payable in the manner and with the effect provided in the Indenture.]

     [If the Security is an Original Issue Discount Security, -- If an Event of
Default with respect to Securities of this series shall occur and be continuing,
an amount of principal of the Securities of this series may be declared due and
payable in the manner and with the effect provided in the Indenture. Such amount
shall be equal to -- insert formula for determining the amount. Upon payment (i)
of the amount of principal so declared due and payable and (ii) of interest on
any overdue principal and overdue interest (in each case to the extent that the
payment of such interest shall be legally enforceable), all of the Company's
obligations in respect of the payment of the principal of and interest, if any,
on the Securities of this series shall terminate.]

     The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Company and the rights of the Holders of the Securities of each series to be
affected under the Indenture at any time by the Company and the Trustee with the
consent of the Holders of a majority in principal amount of the Securities at
the time Outstanding of each series to be affected. The Indenture also contains
provisions permitting the Holders of specified percentages 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 Company
with certain provisions of the Indenture and certain past defaults under the
Indenture and their consequences. Any such consent or waiver by the Holder of
this Security shall be conclusive and binding upon such Holder and upon all
future Holders of this Security and of any Security issued upon the registration
of transfer hereof or in exchange herefor or in lieu hereof, whether or not
notation of such consent or waiver is made upon this Security.

                                                                             203
<PAGE>   30
                                        24

     No reference herein to the Indenture and no provision of this Security or
of the Indenture shall alter or impair the obligation of the Company, which is
absolute and unconditional, to pay the principal of (and premium, if any) and
interest on this Security at the times, place(s) and rate, and in the coin or
currency, herein prescribed.

     [If a Global Security, insert -- This Global Security or portion hereof may
not be exchanged for Definitive Securities of this series except in the limited
circumstances provided in the Indenture.

     The holders of beneficial interests in this Global Security will not be
entitled to receive physical delivery of Definitive Securities except as
described in the Indenture and will not be considered the Holders thereof for
any purpose under the Indenture.]

     [If a Definitive Security, insert -- As provided in the Indenture and
subject to certain limitations therein set forth, the transfer of this Security
is registerable in the Security Register, upon surrender of this Security for
registration of transfer at the office or agency of the Company in [if
applicable, insert -- any place where the principal of and any premium and
interest on this Security are payable] [if applicable, insert -- The City of New
York[, or, subject to any laws or regulations applicable thereto and to the
right of the Company (limited as provided in the Indenture) to rescind the
designation of any such transfer agent, at the [main] offices of            in
           and in or at such other offices or agencies as the Company may
designate]], duly endorsed by, or accompanied by a written instrument of
transfer in form satisfactory to the Company and the Security Registrar duly
executed by, the Holder hereof or his attorney duly authorized in writing, and
thereupon one or more new Securities of this series and of like tenor, of
authorized denominations and for the same aggregate principal amount, will be
issued to the designated transferee or transferees.]

     The Securities of this series are issuable only in registered form without
coupons in denominations of U.S. $........ and any integral multiple thereof. As
provided in the Indenture and subject to certain limitations therein set forth,
Securities of this series are exchangeable for a like aggregate principal amount
of Securities of this series of a different authorized denomination, as
requested by the Holder surrendering the same.

     No service charge shall be made for any such registration of transfer or
exchange, but the Company may require payment of a sum sufficient to

 203
<PAGE>   31
                                        25

cover any tax or other governmental charge payable in connection therewith.

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

     No recourse under or upon any obligation, covenant or agreement of or
contained in the Indenture or of or contained in any Security, or for any claim
based thereon or otherwise in respect thereof, or in any Security, or because of
the creation of any indebtedness represented thereby, shall be had against any
incorporator, stockholder, officer or director, as such, past, present or
future, of the Company or of any successor Person, either directly or through
the Company or any successor Person, whether by virtue of any constitution,
statute or rule of law, or by the enforcement of any assessment, penalty or
otherwise; it being expressly understood that all such liability is hereby
expressly waived and released by the acceptance hereof and as a condition of,
and as part of the consideration for, the Securities and the execution of the
Indenture.

     The Indenture provides that the Company (a) will be discharged from any and
all obligations in respect of the Securities (except for certain obligations
described in the Indenture), or (b) need not comply with certain restrictive
covenants of the Indenture, in each case if the Company deposits, in trust, with
the Trustee money or U.S. Government Obligations (or a combination thereof)
which through the payment of interest thereon and principal thereof in
accordance with their terms will provide money, in an amount sufficient to pay
all the principal of and interest on the Securities, but such money need not be
segregated from other funds except to the extent required by law.

     All terms used in this Security which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.

     The Securities are governed by the laws of The State of New York.

                                                                             203
<PAGE>   32
                                        26

SECTION 204.  Global Securities.

     Every Global Security authenticated and delivered hereunder shall bear a
legend in substantially the following form:

          THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE
     HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
     NOMINEE THEREOF. THIS SECURITY MAY NOT BE TRANSFERRED TO, OR REGISTERED OR
     EXCHANGED FOR SECURITIES REGISTERED IN THE NAME OF, ANY PERSON OTHER THAN
     THE DEPOSITARY OR A NOMINEE THEREOF AND NO SUCH TRANSFER MAY BE REGISTERED,
     EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE. EVERY
     SECURITY AUTHENTICATED AND DELIVERED UPON REGISTRATION OF TRANSFER OF, OR
     IN EXCHANGE FOR OR IN LIEU OF, THIS SECURITY SHALL BE A GLOBAL SECURITY
     SUBJECT TO THE FOREGOING, EXCEPT IN SUCH LIMITED CIRCUMSTANCES.

     If Securities of a series are issuable in whole or in part in the form of
one or more Global Securities, as specified as contemplated by Section 301,
then, notwithstanding Clause (9) of Section 301 and the provisions of Section
302, any Global Security shall represent such of the Outstanding Securities of
such series as shall be specified therein and may provide that it shall
represent the aggregate amount of Outstanding Securities from time to time
endorsed thereon and that the aggregate amount of Outstanding Securities
represented thereby may from time to time be reduced or increased, as the case
may be, to reflect exchanges. Any endorsement of a Global Security to reflect
the amount, or any reduction or increase in the amount, of Outstanding
Securities represented thereby shall be made in such manner and upon
instructions given by such Person or Persons as shall be specified therein or in
a Company Order. Subject to the provisions of Sections 303, 304 and 305, the
Trustee shall deliver and redeliver any Global Security in the manner and upon
instructions given by the Person or Persons specified therein or in the
applicable Company Order. Any instructions by the Company with respect to
endorsement or delivery or redelivery of a Global Security shall be in a Company
Order (which need not comply with Section 102 and need not be accompanied by an
Opinion of Counsel).

     The provisions of the last sentence of Section 303 shall apply to any
Security represented by a Global Security if such Security was never issued and
sold by the Company and the Company delivers to the Trustee the
 204
<PAGE>   33
                                        27

Global Security together with a Company Order (which need not comply with
Section 102 and need not be accompanied by an Opinion of Counsel) with regard to
the reduction or increase, as the case may be, in the principal amount of
Securities represented thereby, together with the written statement contemplated
by the last sentence of Section 303.

SECTION 205.  Form of Trustee's Certificate of Authentication.

     The Trustee's certificate(s) of authentication shall be in substantially
the following form:

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

                                           The Bank of New York,

                                           as Trustee

                                           By: .................................

                                                      Authorized Signatory

                                 ARTICLE THREE

                                 THE SECURITIES

SECTION 301.  Amount Unlimited; Issuable in Series.

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

     The Securities may be issued in one or more series. There shall be
established in or pursuant to a Board Resolution, and set forth in an Officers'
Certificate, or established in one or more indentures supplemental hereto, prior
to the issuance of Securities of any series,

          (1) the title of the Securities of the series (which shall distinguish
     the Securities of the series from all other Securities) and which may be
     part of a series of Securities previously issued;

          (2) any limit upon the aggregate principal amount of the Securities of
     the series which may be authenticated and delivered under this Indenture
     (except for Securities authenticated and delivered upon registration of
     transfer of, or in exchange for, or in lieu of, other Securities of the
     series pursuant to Sections 304, 305, 306, 906 or 1107
                                                                     204,205,301
<PAGE>   34
                                        28

     and except for any Securities which, pursuant to Section 303, are deemed
     never to have been authenticated and delivered hereunder);

          (3) the Person to whom any interest on a Security of the series shall
     be payable, if other than the Person in whose name that Security (or one or
     more Predecessor Securities) is registered at the close of business on the
     Regular Record Date for such interest;

          (4) the date or dates on which the principal of the Securities of the
     series is payable;

          (5) the rate or rates at which the Securities of the series shall bear
     interest, if any, or the formula or provision pursuant to which such rate
     or rates are determined, the date or dates from which such interest shall
     accrue, the Interest Payment Dates on which such interest shall be payable
     and the Regular Record Date for the interest payable on any Interest
     Payment Date;

          (6) the place or places where the principal of (and premium, if any)
     and interest on Securities of the series shall be payable, Securities of
     the series may be surrendered for registration of transfer, Securities of
     the series may be surrendered for exchange and notices, and demands to or
     upon the Company in respect of the Securities of the series and this
     Indenture may be served;

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

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

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

          (10) whether payment of principal of and premium, if any, and
     interest, if any, on the Securities of the series shall be without
     deduction for taxes, assessments or governmental charges paid by Holders of
     the series;

 301
<PAGE>   35
                                        29

          (11) if other than the principal amount thereof, the portion of the
     principal amount of Securities of the series which shall be payable upon
     declaration of acceleration of the Maturity thereof pursuant to Section
     502;

          (12) if other than the currency of the United States of America, the
     currency or currencies, including composite currencies, currency units,
     Foreign Currency or ECU, in which payment of the principal of (and premium,
     if any) and interest on the Securities of the series shall be payable, and
     the manner in which any such currencies shall be valued against other
     currencies in which any other Securities shall be payable;

          (13) if the amount of payments of principal of (and premium, if any)
     or interest on the Securities of the series may be determined with
     reference to an index, the manner in which such amounts shall be
     determined;

          (14) whether the Securities of the series shall be issued in whole or
     in part in the form of one or more Global Securities and, in such case, the
     Depositary or Depositaries for such Global Security or Securities, which
     Depositary shall be, if then required by applicable law or regulation, a
     clearing agency registered under the Securities Exchange Act of 1934, as
     amended, and any circumstances other than those set forth in Section 305 in
     which any such Global Security may be transferred to, and registered and
     exchanged for Securities registered in the name of, a Person other than the
     Depositary for such Global Security or a nominee thereof and in which any
     such transfer may be registered;

          (15) any deletions from, modifications of or additions to Events of
     Default set forth in Section 501 and covenants of the Company set forth in
     Article Ten with respect to the Securities of such series; and

          (16) whether and under what circumstances the Company will pay
     additional amounts on the Securities of the series held by a person who is
     not a U.S. person in respect of any tax, assessment or governmental charge
     withheld or deducted and, if so, whether the Company will have the option
     to redeem the Securities of the series rather than pay such additional
     amounts;

          (17) if the Securities of the series are to be issuable in definitive
     form (whether upon original issue or upon exchange of a temporary Security
     of such series) only upon receipt of certain certificates or

                                                                             301
<PAGE>   36
                                        30

     other documents or satisfaction of other conditions, the form and terms of
     such certificates, documents or conditions;

          (18) if the Securities of the series are to be convertible into or
     exchangeable for any other security or property of the Company, including,
     without limitation, securities of another Person held by the Company or its
     Affiliates and, if so, the terms thereof; and

          (19) any other terms of the series (which terms shall not be
     inconsistent with the provisions of this Indenture).

     Securities of any one series may, without the consent of the Holders of
such series, be issued at various times, may, without the consent of the Holders
of such series, be reopened for the issuance of additional Securities of such
series and shall be substantially identical, except as may otherwise be provided
in or pursuant to such Board Resolution and set forth in such Officers'
Certificate or in any such indenture supplemental hereto.

     At the election of the Company, payment of interest may be made by check
mailed to the address of the Person entitled thereto as such address shall
appear in the Security Register.

     If any of the terms of the series are established by action taken pursuant
to a Board Resolution, an Officers' Certificate shall certify that such action
shall have been duly taken or a copy of an appropriate record of such action
shall be certified by the Secretary or an Assistant Secretary of the Company
and, in either case, delivered to the Trustee at or prior to the delivery of the
Company Order contemplated by Section 303 for the authentication and delivery of
such Securities. With respect to Securities of a series subject to a Periodic
Offering, such Board Resolution or Officer's Certificate may provide general
terms for Securities of such series and provide either that the specific terms
of particular Securities of such series shall be specified in a Company Order or
that such terms shall be determined by the Company, or one or more of the
Company's agents designated in an Officer's Certificate, in accordance with a
Company Order.

SECTION 302.  Denominations.

     The Securities of each series shall be issuable in registered form without
coupons in such denominations as shall be specified as contemplated by Section
301. In the absence of any such provisions with respect to the Securities of any
series, the Securities of such series shall be issuable in denominations of
$1,000 and any integral multiple thereof.

 301,302
<PAGE>   37
                                        31

SECTION 303.  Execution, Authentication, Delivery and Dating.

     The Securities shall be executed on behalf of the Company by its Chairman
of the Board, its President or one of its Vice Presidents, under its corporate
seal reproduced thereon attested by its Secretary or one of its Assistant
Secretaries. The signature of any of these officers on the Securities may be
manual or facsimile.

     Securities 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 Securities or did not
hold such offices at the date of such Securities.

     At any time and from time to time after the execution and delivery of this
Indenture, the Company may deliver Securities of any series executed by the
Company to the Trustee for authentication, together with a Company Order for the
authentication and delivery of such Securities, and the Trustee in accordance
with the Company Order shall authenticate and deliver such Securities; provided,
however, that in the case of Securities offered in a Periodic Offering, the
Trustee shall authenticate and deliver such Securities from time to time in
accordance with such other procedures (including, without limitation, the
receipt by the Trustee of oral or electronic instructions from the Company or
its duly authorized agents, thereafter promptly confirmed in writing) acceptable
to the Trustee as may be specified by or pursuant to a Company Order delivered
to the Trustee prior to the time of the first authentication of Securities of
such series. If the forms or terms of the Securities of the series have been
established in or pursuant to one or more Board Resolutions as permitted by
Sections 201 and 301, in authenticating such Securities, and accepting the
additional responsibilities under this Indenture in relation to such Securities,
the Trustee shall be entitled to receive such documents as it may reasonably
request. The Trustee shall also be entitled to receive, and (subject to Section
601) shall be fully protected in relying upon, an Opinion of Counsel stating,

          (a) if the form or forms of such Securities has been established in or
     pursuant to a Board Resolution as permitted by Section 201, that each such
     form has been established or will, when established in compliance with the
     Company Order, be established in conformity with the provisions of this
     Indenture;

                                                                             303
<PAGE>   38
                                        32

          (b) if the terms of such Securities have been, or in the case of
     Securities of a series offered in a Periodic Offering will be, established
     in or pursuant to a Board Resolution as permitted by Section 301, that such
     terms have been, or in the case of Securities of a series offered in a
     Periodic Offering will be, established or will, when established in
     compliance with the provisions of this Indenture, subject, in the case of
     Securities of a series offered in a Periodic Offering, to any conditions
     specified in such Opinion of Counsel; and

          (c) that such Securities, when authenticated and delivered by the
     Trustee and issued by the Company in the manner and subject to any
     conditions specified in such Opinion of Counsel, will constitute valid and
     legally binding obligations of the Company, enforceable in accordance with
     their terms, except as such enforceability may be limited by (i)
     bankruptcy, insolvency, moratorium, reorganization, liquidation, fraudulent
     conveyance or transfer and other laws of general applicability relating to
     or affecting the enforcement of creditors' rights, to general equity
     principles, (ii) rights of acceleration, if any, and (iii) the availability
     of equitable remedies may be limited by equitable principles of general
     application, and such counsel need express no opinion with regard to the
     enforceability of Section 607 or of a judgment denominated in a currency
     other than U.S. Dollars, and (iv) to such other matters as shall be
     specified in such Opinion of Counsel.

If such form or terms have been so established, the Trustee shall not be
required to authenticate such Securities if the issue of such Securities
pursuant to this Indenture will affect the Trustee's own rights, duties or
immunities under the Securities and this Indenture or otherwise in a manner
which is not reasonably acceptable to the Trustee. With respect to Securities of
a series offered in a Periodic Offering, the Trustee may rely, as to the
authorization by the Company of any of such Securities, the form or forms and
terms thereof and the legality, validity, binding effect and enforceability
thereof, upon the Opinion of Counsel and the other documents delivered pursuant
to Sections 201 and 301 and this Section, as applicable, in connection with the
first authentication of Securities of such series.

     Each Security shall be dated the date of its authentication.

     No Security shall be entitled to any benefit under this Indenture or be
valid or obligatory for any purpose unless there appears on such Security a
certificate of authentication substantially in the form provided for herein
 303
<PAGE>   39
                                        33

executed by the Trustee by manual signature, and such certificate upon any
Security shall be conclusive evidence, and the only evidence, that such Security
has been duly authenticated and delivered hereunder and is entitled to the
benefits of this Indenture. Notwithstanding the foregoing, if any Security shall
have been authenticated and delivered hereunder but never issued and sold by the
Company, and the Company shall deliver such Security to the Trustee for
cancellation as provided in Section 309 for all purposes of this Indenture such
Security shall be deemed never to have been authenticated and delivered
hereunder and shall never be entitled to the benefits of this Indenture.

SECTION 304.  Temporary Securities.

     Pending the preparation of definitive Securities of any series, the Company
may execute, and upon Company Order the Trustee shall authenticate and deliver,
temporary Securities which are printed, lithographed, typewritten, mimeographed
or otherwise produced, in any authorized denomination, substantially of the
tenor of the definitive Securities in lieu of which they are issued and with
such appropriate insertions, omissions, substitutions and other variations as
the officers executing such Securities may determine, as evidenced by their
execution of such Securities.

     If temporary Securities of any series are issued, the Company will cause
definitive Securities of that series to be prepared without unreasonable delay.
After the preparation of definitive Securities of such series, the temporary
Securities of such series shall be exchangeable for definitive Securities of
such series upon surrender of the temporary Securities of such series at the
office or agency of the Company in a Place of Payment for that series, without
charge to the Holder. Upon surrender for cancellation of any one or more
temporary Securities of any series the Company shall execute and the Trustee
shall authenticate and deliver in exchange therefor a like principal amount of
definitive Securities of the same series of authorized denominations. Until so
exchanged the temporary Securities of any series shall in all respects be
entitled to the same benefits under this Indenture as definitive Securities of
such series.

                                                                         303,304
<PAGE>   40
                                        34

SECTION 305.  Registration, Registration of Transfer and Exchange.

     The Company shall cause to be kept in the office or agency of the Company
in the Borough of Manhattan, the City of New York required by Section 1002 a
register (the register maintained in such office and in any other office or
agency of the Company in a Place of Payment being herein sometimes collectively
referred to as the "Security Register") in which, subject to such reasonable
regulations as it may prescribe, the Company shall provide for the registration
of Securities and of transfers of Securities. is hereby appointed "Security
Registrar" for the purpose of registering Securities and transfers of Securities
as herein provided. The Company may at any time replace such Security Registrar,
change such office or agency or act as its own Security Registrar. The Company
will give prompt written notice to the Trustee of any change of the Security
Registrar or of the location of such office or agency.

     Upon surrender for registration of transfer of any Security of any series
at the office or agency in a Place of Payment for that series, the Company shall
execute, and the Trustee shall authenticate and deliver, in the name of the
designated transferee or transferees, one or more new Securities of the same
series and tenor, of any authorized denominations and of a like aggregate
principal amount.

     At the option of the Holder, Securities of any series (except a Global
Security) may be exchanged for other Securities of the same series and tenor, of
any authorized denominations and of a like aggregate principal amount, upon
surrender of the Securities to be exchanged at such office or agency. Whenever
any Securities are so surrendered for exchange, the Company shall execute, and
the Trustee shall authenticate and deliver, the Securities which the Holder
making the exchange is entitled to receive.

     All Securities issued upon any registration of transfer or exchange of
Securities shall be the valid obligations of the Company, evidencing the same
debt, and entitled to the same benefits under this Indenture, as the Securities
surrendered upon such registration of transfer or exchange.

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

     No service charge shall be made for any registration of transfer or
exchange of Securities, but the Company may require payment of a sum

 305
<PAGE>   41
                                        35

sufficient to cover any tax or other governmental charge that may be imposed in
connection with any registration of transfer or exchange of Securities, other
than exchanges pursuant to Section 304, 906 or 1107 not involving any transfer.

     The Company shall not be required (i) to issue, register the transfer of or
exchange Securities of any series during a period beginning at, the opening of
business 15 days before the day of the mailing of a notice of redemption of
Securities of that series selected for redemption under Section 1103 and ending
at the close of business on the day of such mailing, or (ii) to register the
transfer of or exchange any Security so selected for redemption in whole or in
part, except the unredeemed portion of any Security being redeemed in part.

     Notwithstanding any other provisions of this Indenture and except as
otherwise specified with respect to any particular series of Securities as
contemplated by Section 301, a Global Security representing all or a portion of
the Securities of a series may not be transferred, except as a whole by the
Depositary for such series to a nominee of such Depositary or by a nominee of
such Depositary to such Depositary or another nominee of such Depositary or by
such Depositary or any such nominee to a successor Depositary for such series or
a nominee of such successor Depositary. The Trustee and the Company shall treat
the Depositary or its nominee as the Holder of Global Securities for all
purposes hereof. Every Security authenticated and delivered upon registration or
transfer of or in exchange for or in lieu of, a Global Security shall be a
Global Security except as provided in the two paragraphs immediately following.

     If at any time the Depositary for any Securities of a series represented by
one or more Global Securities notifies the Company that it is unwilling or
unable to continue as Depositary for such Securities or if at any time the
Depositary for such Securities shall no longer be eligible to continue as
Depositary under Section 101 or ceases to be a clearing agency registered under
the Exchange Act, the Company shall appoint a successor Depositary with respect
to such Securities. If a successor Depositary for such Securities is not
appointed by the Company within 90 days after the Company receives such notice
or becomes aware of such ineligibility, the Company's election pursuant to
Section 301 that such Securities be represented by one or more Global Securities
shall no longer be effective and the Company will execute, and the Trustee, upon
receipt of a Company Order for the authentication and delivery of definitive
Securities of such series, will authenticate and deliver, Securities of such
series in definitive registered

                                                                             305
<PAGE>   42
                                        36

form without coupons, in any authorized denominations, in an aggregate principal
amount equal to the principal amount of the Global Security or Securities
representing such Securities in exchange for such Global Security or Securities.

     The Company may at any time and in its sole discretion determine that the
Securities of any series issued in the form of one or more Global Securities
shall no longer be represented by a Global Security or Securities. In such event
the Company will execute, and the Trustee, upon receipt of a Company Order for
the authentication and delivery of the definitive Securities of such series,
will authenticate and deliver, Securities of such series in definitive
registered form without coupons, in any authorized denominations, in an
aggregate principal amount equal to the principal amount of the Global Security
or Securities representing such Securities in exchange for such Global Security
or Securities.

     If specified by the Company pursuant to Section 301 with respect to
Securities represented by a Global Security, the Depositary for such Global
Security may surrender such Global Security in exchange in whole or in part for
Securities of the same series and tenor in definitive registered form on such
terms as are acceptable to the Company and such Depositary. Thereupon, the
Company shall execute, and the Trustee, upon receipt of a Company Order for the
authentication and delivery of Securities in definitive registered form, shall
authenticate and deliver, without service charge,

     (1) to the Person specified by such Depositary a new Security or Securities
of the same series and term, of any authorized denominations as requested by
such Person, in an aggregate principal amount equal to and in exchange for such
Person's beneficial interest in the Global Security; and

     (2) to such Depositary a new Global Security in a denomination equal to the
difference, if any, between the principal amount of the surrendered Global
Security and the aggregate principal amount of Securities authenticated and
delivered pursuant to clause (1) above.

     Every Person who takes or holds any beneficial interest in a Global
Security agrees that:

          (a) the Company and the Trustee may deal with the Depositary as sole
     owner of the Global Security and as the authorized representative of such
     Person;

          (b) such Person's rights in the Global Security shall be exercised
     only through the Depositary and shall be limited to those established

 305
<PAGE>   43
                                        37

     by law and agreement between such Person and the Depositary and/or direct
     and indirect participants of the Depositary;

          (c) the Depositary and its participants make book-entry transfers of
     beneficial ownership among, and receive and transmit distributions of
     principal and interest on the Global Securities to, such Persons in
     accordance with their own procedures; and

          (d) none of the Company, the Trustee nor any agent of the Company or
     the Trustee will have any responsibility or liability for any aspect of the
     records relating to or payments made on account of beneficial ownership
     interests of a Global Security or for maintaining, supervising or reviewing
     any records relating to such beneficial ownership interests.

SECTION 306.  Mutilated, Destroyed, Lost and Stolen Securities.

     If any mutilated Security is surrendered to the Trustee, the Company shall
execute and the Trustee shall authenticate and deliver in exchange therefor a
new Security of the same series and of like tenor and principal amount and
bearing a number not contemporaneously outstanding.

     If there shall be delivered to the Company and the Trustee (i) evidence to
their satisfaction of the destruction, loss or theft of any Security and (ii)
such security or indemnity as may be required by them to save each of them and
any agent of either of them harmless, then, in the absence of notice to the
Company or the Trustee that such Security has been acquired by a bona fide
purchaser, the Company shall execute and upon its request the Trustee shall
authenticate and deliver, in lieu of any such destroyed, lost or stolen
Security, a new Security of the same series and of like tenor and principal
amount and bearing a number not contemporaneously outstanding.

     In case any such mutilated, destroyed, lost or stolen Security has become
or is about to become due and payable, the Company in its discretion may,
instead of issuing a new Security, pay such Security.

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

                                                                         305,306
<PAGE>   44
                                        38

     Every new Security of any series issued pursuant to this Section in lieu of
any destroyed, lost or stolen Security shall constitute an original additional
contractual obligation of the Company, whether or not the destroyed, lost or
stolen Security shall be at any time enforceable by anyone, and shall be
entitled to all the benefits of this Indenture equally and proportionately with
any and all other Securities of that series duly issued hereunder.

     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 Securities.

SECTION 307.  Payment of Interest; Interest Rights Preserved.

     Interest on any Security which is payable, and is punctually paid or duly
provided for, on any Interest Payment Date shall be paid to the Person in whose
name that Security (or one or more Predecessor Securities) is registered at the
close of business on the Regular Record Date for such interest.

     Any interest on any Security of any series which is payable, but is not
punctually paid or duly provided for, on any Interest Payment Date (herein
called "Defaulted Interest") shall forthwith cease to be payable to the Holder
on the relevant Regular Record Date by virtue of having been such Holder, and
such Defaulted Interest may be paid by the Company, at its election in each
case, as provided in Clause (1) or (2) below:

          (1) The Company may elect to make payment of any Defaulted Interest to
     the Persons in whose names the Securities of such series (or their
     respective Predecessor Securities) are registered at the close of business
     on a Special Record Date for the payment of such Defaulted Interest, which
     shall be fixed in the following manner. The Company shall notify the
     Trustee in writing of the amount of Defaulted Interest proposed to be paid
     on each Security of such series and the date of the proposed payment, and
     at the same time the Company shall deposit with the Trustee an amount of
     money equal to the aggregate amount proposed to be paid in respect of such
     Defaulted Interest or shall make arrangements satisfactory to the Trustee
     for such deposit prior to the date of the proposed payment, such money when
     deposited to be held in trust for the benefit of the Persons entitled to
     such Defaulted Interest as in this clause provided. Thereupon, the Trustee
     shall fix a Special Record Date for the payment of such Defaulted Interest
     which shall be not more than 15 days and not less than 10 days

 306,307
<PAGE>   45
                                        39

     prior to the date of the proposed payment and not less than 10 days after
     the receipt by the Trustee of the notice of the proposed payment. The
     Trustee shall promptly notify the Company of such Special Record Date and,
     in the name and at the expense of the Company, shall cause notice of the
     proposed payment of such Defaulted Interest and the Special Record Date
     therefor to be mailed, first-class postage prepaid, to each Holder of
     Securities of such series at his address as it appears in the Security
     Register, not less than 10 days prior to such Special Record Date. Notice
     of the proposed payment of such Defaulted Interest and the Special Record
     Date therefor having been so mailed, such Defaulted Interest shall be paid
     to the Persons in whose names the Securities of such series (or their
     respective Predecessor Securities) are registered at the close of business
     on such Special Record Date and shall no longer be payable pursuant to the
     following Clause (2).

          (2) The Company may make payment of any Defaulted Interest on the
     Securities of any series in any other lawful manner not inconsistent with
     the requirements of any securities exchange on which such Securities may be
     listed, and upon such notice as may be required by such exchange, if, after
     notice given by the Company to the Trustee of the proposed payment pursuant
     to this clause, such manner of payment shall be deemed practicable by the
     Trustee.

     Subject to the foregoing provisions of this Section, each Security
delivered under this Indenture upon registration of transfer of or in exchange
for or in lieu of any other Security shall carry the rights to interest accrued
and unpaid, and to accrue, which were carried by such other Security.

SECTION 308.  Persons Deemed Owners.

     Prior to due presentment of a Security for registration of transfer, the
Company, the Trustee and any agent of the Company or the Trustee may treat the
Person in whose name such Security is registered as the owner of such Security
for the purpose of receiving payment of principal of (and premium, if any) and
(subject to Sections 305 and 307) any interest on such Security and for all
other purposes whatsoever, whether or not such Security be overdue, and neither
the Company, the Trustee nor any agent of the Company or the Trustee shall be
affected by notice to the contrary.

                                                                         307,308
<PAGE>   46
                                        40

SECTION 309.  Cancellation.

     All Securities surrendered for payment, redemption, registration of
transfer or exchange or for credit against any sinking fund payment shall, if
surrendered to any Person other than the Trustee, be delivered to the Trustee
and shall be promptly canceled by it. The Company may at any time deliver to the
Trustee for cancellation any Securities previously authenticated and delivered
hereunder which the Company may have acquired in any manner whatsoever, and may
deliver to the Trustee (or to any other Person for delivery to the Trustee) for
cancellation any Securities previously authenticated hereunder which the Company
has not issued and sold, and all Securities so delivered shall be promptly
canceled by the Trustee. No Securities shall be authenticated in lieu of or in
exchange for any Securities canceled as provided in this Section, except as
expressly permitted by this Indenture. All canceled Securities held by the
Trustee shall be disposed of in accordance with its customary practices.

SECTION 310.  Computation of Interest.

     Except as otherwise specified as contemplated by Section 301 for Securities
of any series, interest on the Securities of each series shall be computed on
the basis of a year of twelve 30-day months.

SECTION 311.  CUSIP Numbers.

     The Company in issuing the Securities may use "CUSIP" numbers (in addition
to the other identification numbers printed on the Securities), and, if so, the
Trustee shall use "CUSIP" numbers in notices of redemption as a convenience to
Holders; provided, however, that any such notice may state that no
representation is made as to the correctness of such "CUSIP" 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 "CUSIP" numbers.

                                  ARTICLE FOUR

                           SATISFACTION AND DISCHARGE

SECTION 401.  Satisfaction and Discharge of Indenture.

     This Indenture shall cease to be of further effect with respect to the
Securities of any series (except as to any surviving rights of registration of

 309,310,311,401
<PAGE>   47
                                        41

transfer or exchange of Securities herein expressly provided for), and the
Trustee, at the expense of the Company, shall execute proper instruments
acknowledging satisfaction and discharge of this Indenture, when

          (1) either

               (A) all Securities theretofore authenticated and delivered (other
          than (i) Securities which have been destroyed, lost or stolen and
          which have been replaced or paid as provided in Section 306 and (ii)
          Securities for whose payment money has theretofore been deposited in
          trust or segregated and held in trust by the Company and thereafter
          repaid to the Company or discharged from such trust, as provided in
          Section 1003) have been delivered to the Trustee for cancellation; or

               (B) all such Securities not theretofore delivered to the Trustee
          for cancellation

                    (i) have become due and payable, or

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

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

          and the Company, in the case of (i), (ii) or (iii) above, has
          deposited or caused to be deposited with the Trustee as trust funds in
          trust for such purpose an amount sufficient to pay and discharge the
          entire indebtedness on such Securities not theretofore delivered to
          the Trustee for cancellation, for principal (and premium, if any) and
          interest to the date of such deposit (in the case of Securities which
          have become due and payable) or to the Stated Maturity or Redemption
          Date, as the case may be;

          (2) the Company has paid or caused to be paid all other sums payable
     hereunder by the Company; and

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

                                                                             401
<PAGE>   48
                                        42

     Notwithstanding the satisfaction and discharge of this Indenture, the
obligations of the Company to the Trustee under Section 607, the obligations of
the Trustee to any Authenticating Agent under Section 614 and, if money shall
have been deposited with the Trustee pursuant to Subclause (B) of Clause (1) of
this Section, the obligations of the Trustee under Section 402, 606 and 1002 and
the last paragraph of Section 1003 shall survive.

SECTION 402.  Application of Trust Money.

     Subject to the provisions of the last paragraph of Section 1003, all money
deposited with the Trustee pursuant to Section 401 shall be held in trust and
applied by it, in accordance with the provisions of the Securities and this
Indenture, to the payment, either directly or through any Paying Agent
(including the Company acting as its own Paying Agent) as the Trustee may
determine, to the Persons entitled thereto, of the principal (and premium, if
any) and interest for whose payment such money has been deposited with the
Trustee.

                                  ARTICLE FIVE

                                    REMEDIES

SECTION 501.  Events of Default.

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

          (1) default in the payment of any interest upon any Security of that
     series when it becomes due and payable, and continuance of such default for
     a period of 60 days; or

          (2) default in the payment of the principal of (or premium, if any,
     on) any Security of that series at its Maturity; or

          (3) default in the payment of any sinking fund payments, when and as
     due by the terms of a Security of that series, and continuance of such
     default for a period of 60 days; or

 401,402,501
<PAGE>   49
                                        43

          (4) default in the performance, or breach, of any covenant or warranty
     of the Company in this Indenture (other than a covenant or warranty a
     default in whose performance or whose breach is elsewhere in this Section
     specifically dealt with or which has expressly been included in this
     Indenture solely for the benefit of series of Securities other than that
     series), and continuance of such default or breach for a period of 90 days
     after there has been given, by registered or certified mail, to the Company
     by the Trustee or to the Company and the Trustee by the Holders of at least
     25% in principal amount of the Outstanding Securities of that series a
     written notice specifying such default or breach and requiring it to be
     remedied and stating that such notice is a "Notice of Default" hereunder;
     or

          (5) default by the Company in the payment of any principal of any
     Funded Debt of the Company outstanding in an aggregate principal amount in
     excess of $25,000,000 as and when the same shall become due and payable
     either at maturity, upon redemption, by declaration or otherwise, the
     effect of which default is to cause such Funded Debt to become, or to be
     declared, due prior to its stated maturity unless such default shall be
     cured, by payment or otherwise, within 30 days after the receipt by the
     Company of written notice of such default from the Trustee or from the
     Holders of at least 5% in principal amount of the Outstanding Securities of
     that series; or

          (6) the entry by a court having jurisdiction in the premises of (A) a
     decree or order for relief in respect of the Company in an involuntary case
     or proceeding under any applicable Federal or State bankruptcy, insolvency,
     reorganization or other similar law or (B) a decree or order adjudging the
     Company a bankrupt or insolvent, or approving as properly filed a petition
     seeking reorganization, arrangement, adjustment or composition of or in
     respect of the Company under any applicable Federal or State law, or
     appointing a custodian, receiver, liquidator, assignee, trustee,
     sequestrator or other similar official of the Company or of any substantial
     part of its property, or ordering the winding up or liquidation of its
     affairs, and the continuance of any such decree or order for relief or any
     such other decree or order unstayed and in effect for a period of 90
     consecutive days; or

          (7) the commencement by the Company of a voluntary case or proceeding
     under any applicable Federal or State bankruptcy, insolvency,
     reorganization or other similar law or of any other case or proceeding to
     be adjudicated a bankrupt or insolvent, or the consent by

                                                                             501
<PAGE>   50
                                        44

     it to the entry of a decree or order for relief in respect of the Company
     in an involuntary case or proceeding under any applicable Federal or State
     bankruptcy, insolvency, reorganization or other similar law or to the
     commencement of any bankruptcy or insolvency case or proceeding against it,
     or the filing by it of a petition or answer or consent seeking
     reorganization or relief under any applicable Federal or State law, or the
     consent by it to the filing of such petition or to the appointment of or
     taking possession by a custodian, receiver, liquidator, assignee, trustee,
     sequestrator or similar official of the Company or of any substantial part
     of its property, or the making by it of an assignment for the benefit of
     creditors, or the admission by it in writing of its inability to pay its
     debts generally as they become due, or the taking of corporate action by
     the Company in furtherance of any such action; or

          (8) any other Event of Default provided with respect to Securities of
     that series in accordance with Section 301.

SECTION 502.  Acceleration of Maturity; Rescission and Annulment.

     If an Event of Default with respect to Securities of any series at the time
Outstanding occurs and is continuing, then in every such case the Trustee or the
Holders of not less than 25% in principal amount of the Outstanding Securities
of that series may declare the principal amount (or, if the Securities of that
series are Original Issue Discount Securities, such portion of the principal
amount as may be specified in the terms of that series) of all of the Securities
of that series to be due and payable immediately, by a notice in writing to the
Company (and to the Trustee if given by Holders), and upon any such declaration
such principal amount (or specified amount) shall become immediately due and
payable. Notwithstanding the foregoing, if an Event of Default specified in
clause (6) or (7) of Section 501 occurs, the Securities of any series at the
time Outstanding shall be due and payable immediately without further action or
notice.

     At any time after such a declaration of acceleration with respect to
Securities of any series has been made and before a judgment or decree for
payment of the money due has been obtained by the Trustee as hereinafter in this
Article Five provided, the Holders of a majority in principal amount of the
Outstanding Securities of that series, by written notice to the

 501,502
<PAGE>   51
                                        45

Company and the Trustee, may rescind and annul such declaration and its
consequences if

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

            (A) all overdue interest on all Securities of that series,

            (B) the principal of (and premium, if any, on) any Securities of
       that series which have become due otherwise than by such declaration of
       acceleration and any interest thereon at the rate or rates prescribed
       therefor in such Securities,

            (C) to the extent that payment of such interest is lawful, interest
       upon overdue interest at the rate or rates prescribed therefor in such
       Securities, and

            (D) all sums paid or advanced by the Trustee hereunder and the
       reasonable compensation, expenses, disbursements and advances of the
       Trustee, its agents and counsel;

     and

          (2) all Events of Default with respect to Securities of that series,
     other than the non-payment of the principal of Securities of that series
     which have become due solely by such declaration of acceleration, have been
     cured or waived as provided in Section 513.

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

SECTION 503.  Collection of Indebtedness and Suits for Enforcement by
  Trustee.

     The Company covenants that if

          (1) default is made in the payment of any installment of interest on
     any Security or any deposit of any sinking fund payment when such becomes
     due and payable and such default continues for a period of 60 days, or

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

the Company will, upon demand of the Trustee, pay to it, for the benefit of the
Holders of such Securities, the whole amount then due and payable on

                                                                         502,503
<PAGE>   52
                                        46

such Securities for principal (and premium, if any) and interest and, to the
extent that payment of such interest shall be legally enforceable, interest on
any overdue principal (and premium, if any) and on any overdue interest, at the
rate or rates prescribed therefor in such Securities, and, in addition thereto,
such further amount as shall be sufficient to cover the costs and expenses of
collection, including the reasonable compensation, expenses, disbursements and
advances of the Trustee, its agents and counsel.

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

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

SECTION 504.  Trustee May File Proofs of Claim.

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

          (i) to file and prove a claim for the whole amount of principal (and
     premium, if any) and interest owing and unpaid in respect of the Securities
     and to file such other papers or documents as may be necessary or advisable
     in order to have the claims of the Trustee

 503,504
<PAGE>   53
                                        47

     (including any claim for the reasonable compensation, expenses,
     disbursements and advances of the Trustee, its agents and counsel) and of
     the Holders allowed in such judicial proceeding, and

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

and any custodian, receiver, assignee, trustee, liquidator, sequestrator or
other similar official in any such judicial proceeding is hereby authorized by
each Holder to make such payments to the Trustee and, in the event that the
Trustee shall consent to the making of such payments directly to the Holders, to
pay to the Trustee any amount due it for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other
amounts due the Trustee under Section 607.

     Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceeding; provided, however,
that the Trustee may, on behalf of the Holders, vote for the election of a
trustee in bankruptcy or similar official and be a member of a creditors' or
other similar committee.

SECTION 505.  Trustee May Enforce Claims Without Possession of Securities.

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

SECTION 506.  Application of Money Collected.

     Any money collected by the Trustee pursuant to this Article Five shall be
applied in the following order, at the date or dates fixed by the Trustee and,
in case of the distribution of such money on account of principal (or premium,
if any) or interest, upon presentation of the Securities and the

                                                                     504,505,506
<PAGE>   54
                                        48

notation thereon of the payment if only partially paid and upon surrender
thereof if fully paid:

          FIRST:  To the payment of all amounts due the Trustee under Section
     607;

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

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

SECTION 507.  Limitation on Suits.

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

          (1) such Holder has previously given written notice to the Trustee of
     a continuing Event of Default with respect to the Securities of that
     series;

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

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

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

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

 506,507
<PAGE>   55
                                        49

it being understood and intended that no one or more of such Holders shall have
any right in any manner whatever by virtue of, or by availing of, any provision
of this Indenture to affect, disturb or prejudice the rights of any other of
such Holders, or to obtain or to seek to obtain priority or preference over any
other of such Holders or to enforce any right under this Indenture, except in
the manner herein provided and for the equal and ratable benefit of all such
Holders.

SECTION 508.  Unconditional Right of Holders to Receive Principal, Premium and
Interest.

     Notwithstanding any other provision in this Indenture, the Holder of any
Security shall have the right, which is absolute and unconditional, to receive
payment of the principal of (and premium, if any) and (subject to Sections 305
and 307) interest on such Security on the Stated Maturity or Maturities
expressed in such Security (or, in the case of redemption, on the Redemption
Date) and to institute suit for the enforcement of any such payment, and such
rights shall not be impaired without the consent of such Holder.

SECTION 509.  Restoration of Rights and Remedies.

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

SECTION 510.  Rights and Remedies Cumulative.

     Except as otherwise provided with respect to the replacement or payment of
mutilated, destroyed, lost or stolen Securities in the last paragraph of Section
306, no right or remedy herein conferred upon or reserved to the Trustee or 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,

                                                                 507,508,509,510
<PAGE>   56
                                        50

or otherwise, shall not prevent the concurrent assertion or employment of any
other appropriate right or remedy.

SECTION 511.  Delay or Omission Not Waiver.

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

SECTION 512.  Control by Holders.

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

          (1) such direction shall not be in conflict with any rule of law or
     with this Indenture;

          (2) the Trustee may take any other action deemed proper by the Trustee
     which is not inconsistent with such direction; and

          (3) subject to the provisions of Section 601, the Trustee shall have
     the right to decline to follow any such direction if the Trustee in good
     faith shall determine that the proceeding so directed would involve the
     Trustee in personal liability.

SECTION 513.  Waiver of Past Defaults.

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

          (1) a continuing default in the payment of the principal of (or
     premium, if any) or interest on any Security of such series, or

          (2) a default in respect of a covenant or provision hereof which under
     Article Nine cannot be modified or amended without the consent of the
     Holder of each Outstanding Security of such series affected.

 510,511,512,513
<PAGE>   57
                                        51

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

SECTION 514.  Undertaking for Costs.

     All parties to this Indenture agree, and each Holder of any Security by his
acceptance thereof shall be deemed to have agreed, that any court may in its
discretion require, in any suit for the enforcement of any right or remedy under
this Indenture, or in any suit against the Trustee for any action taken,
suffered or omitted by it as Trustee, the filing by any party litigant, other
than the Trustee, 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; but (1) the provisions of this Section shall not apply to any suit
instituted by the Company, to any suit instituted by the Trustee, to any suit
instituted by any Holder, or group of Holders, holding in the aggregate more
than 10% in principal amount of the Outstanding Securities of any series, or to
any suit instituted by any Holder for the enforcement of the payment of the
principal of (or premium, if any) or interest on any Security on or after the
Stated Maturity or Maturities expressed in such Security (or, in the case of
redemption, on or after the Redemption Date).

SECTION 515.  Waiver of Usury, 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 usury, stay or extension law wherever
enacted, now or at any time hereafter in force, which may affect the covenants
or the performance of this Indenture; and the Company (to the extent that it may
lawfully do so) hereby expressly waives all benefit or advantage of any such law
and covenants that it will not hinder, delay or impede the execution of any
power herein granted to the Trustee, but will suffer and permit the execution of
every such power as though no such law had been enacted.

                                                                     513,514,515
<PAGE>   58
                                        52

                                  ARTICLE SIX

                                  THE TRUSTEE

SECTION 601.  Certain Duties and Responsibilities.

     (a) Except during the continuance of an Event of Default,

          (1) the Trustee undertakes to perform such duties and only such duties
     as are specifically set forth in this Indenture and as are provided by the
     Trust Indenture Act, and, except for implied covenants or obligations under
     the Trust Indenture Act, no implied covenants or obligations shall be read
     into this Indenture against the Trustee; and

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

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

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

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

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

          (3) the Trustee shall not be liable with respect to any action taken
     or omitted to be taken by it in good faith in accordance with the direction
     of the Holders of a majority in principal amount of the Outstanding
     Securities of any series, determined as provided in Sec-

 601
<PAGE>   59
                                        53

     tion 512, relating to the time, method and place of conducting any
     proceeding for any remedy available to the Trustee, or exercising any trust
     or power conferred upon the Trustee, under this Indenture with respect to
     the Securities of such series; and

          (4) no provision of this Indenture shall require the Trustee to expend
     or risk its own funds or otherwise incur any financial liability in the
     performance of any of its duties hereunder, or in the exercise of any of
     its rights or powers, if it shall have reasonable grounds for believing
     that repayment of such funds or adequate indemnity against such risk or
     liability is not reasonably assured to it.

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

SECTION 602.  Notice of Defaults.

     Within 90 days after the occurrence of any default hereunder with respect
to the Securities of any series, the Trustee shall transmit by mail to all
Holders of Securities of such series, as their names and addresses appear in the
Security Register, notice of such default hereunder known to the Trustee, unless
such default shall have been cured or waived; provided, however, that, except in
the case of a default in the payment of the principal of (or premium, if any) or
interest on any Security of such series or in the payment of any sinking fund
installment with respect to Securities of such series, the Trustee shall be
protected in withholding such notice if and so long as a trust committee of
Responsible Officers of the Trustee in good faith determine that the withholding
of such notice is in the interest of the Holders of Securities of such series;
and provided, further, that in the case of any default of the character
specified in Section 501(4) with respect to Securities of such series, no such
notice to Holders shall be given until at least 60 days after the occurrence
thereof. For the purpose of this Section, the term "default" means any event
which is, or after notice or lapse of time or both would become, an Event of
Default with respect to Securities of such series.

                                                                         601,602
<PAGE>   60
                                        54

SECTION 603.  Certain Rights of Trustee.

     Subject to the provisions of Section 601:

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

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

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

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

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

     (f) the Trustee shall not be bound to make any investigation into the facts
or matters stated in any resolution, certificate, statement, instrument,
opinion, report, notice, request, direction, consent, order, bond, debenture,
note, other evidence of indebtedness or other paper or document, but the
Trustee, in its discretion, may make such further inquiry or investigation into
such facts or matters as it may see fit, and, if the Trustee shall determine to
make such further inquiry or investigation, it shall be entitled to examine the
books, records and premises of the Company, personally or by agent or attorney
at the sole cost of the Company and shall incur no

 603
<PAGE>   61
                                        55

liability or additional liability of any kind by reason of such inquiry or
investigation;

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

     (h) the Trustee may request that the Company deliver an Officer's
Certificate setting forth the names of individuals and/or titles of officers
authorized at such time to take specified actions pursuant to this Indenture,
which Officer's Certificate may be signed by any person authorized to sign an
Officer's Certificate, including any person specified as so authorized in any
such certificate previously delivered and not superseded; and

     (i) the Trustee shall be entitled to the rights and protections afforded to
the Trustee pursuant to this Article Six in acting as a Paying Agent or Security
Registrar hereunder.

SECTION 604.  Not Responsible for Recitals or Issuance of Securities.

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

SECTION 605.  May Hold Securities.

     The Trustee, any Authenticating Agent, any Paying Agent, any Security
Registrar or any other agent of the Company, in its individual or any other
capacity, may become the owner or pledgee of Securities and, subject to Sections
310(b) and 311 of the Trust Indenture Act and Sections 608, 609 and 613, may
otherwise deal with the Company with the same rights it would have if it were
not Trustee, Authenticating Agent, Paying Agent, Security Registrar or such
other agent.

                                                                     603,604,605
<PAGE>   62
                                        56

SECTION 606.  Money Held in Trust.

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

SECTION 607.  Compensation and Reimbursement.

     The Company agrees

          (1) to pay to the Trustee from time to time compensation as the
     Company and the Trustee shall from time to time agree in writing for all
     services rendered by it hereunder (which compensation shall not be limited
     by any provision of law in regard to the compensation of a trustee of an
     express trust);

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

          (3) to indemnify each of the Trustee or any predecessor Trustee and
     its officers, directors, agents and employees for, and to hold it harmless
     against, any and all loss, liability or expense, including taxes (other
     than taxes based upon, measured by or determined by the earnings or income
     of the Trustee) incurred without negligence or willful misconduct on its
     part, arising out of or in connection with the acceptance or administration
     of the trust or trusts hereunder, including the costs and expenses of
     defending itself against any claim (whether asserted by the Company, or any
     Holder or any other Person) or liability in connection with the exercise or
     performance of any of its powers or duties hereunder.

     As security for the performance of the obligations of the Company under
this Section the Trustee shall have a lien prior to the Securities upon all
property and funds held or collected by the Trustee as such, except funds held
in trust for the payment of principal of (and premium, if any) or interest on
Securities.

 606,607
<PAGE>   63
                                        57

     When the Trustee incurs expenses or renders services in connection with an
Event of Default specified in Section 501(6) or Section 501(7), the expenses
(including the reasonable charges and expenses of its counsel) and the
compensation for the services of the Trustee are intended to constitute expenses
of administration under any applicable Federal or state bankruptcy, insolvency
or other similar law.

     The provisions of this Section 607 shall survive the satisfaction and
discharge of this Indenture and the defeasance of the Securities and the
resignation or removal of the Trustee.

SECTION 608.  Disqualification; Conflicting Interests.

     Reference is made to Section 310(b) of the Trust Indenture Act. There shall
be excluded from the operation of Section 310(b)(1) of the Trust Indenture Act
this Indenture with respect to the Securities of more than one series.

SECTION 609.  Corporate Trustee Required; Eligibility.

     There shall at all times be a Trustee 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 a combined capital and surplus
of at least $50,000,000, subject to supervision or examination by Federal or
State authority. If such corporation publishes reports of condition at least
annually, pursuant to law or to the requirements of 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. The
Trustee shall not be an obligor upon the Securities or an Affiliate thereof. If
at any time the Trustee 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 Six.

SECTION 610.  Resignation and Removal; Appointment of Successor.

          (a) No resignation or removal of the Trustee and no appointment of a
     successor Trustee pursuant to this Article shall become effective until the
     acceptance of appointment by the successor Trustee in accordance with the
     applicable requirements of Section 611.

                                                                 607,608,609,610
<PAGE>   64
                                        58

          (b) The Trustee may resign at any time with respect to the Securities
     of one or more series by giving written notice thereof to the Company. If
     the instrument of acceptance by a successor Trustee required by Section 611
     shall not have been delivered to the Trustee within 30 days after the
     giving of such notice of resignation, the resigning Trustee may petition
     any court of competent jurisdiction at the expense of the Company for the
     appointment of a successor Trustee with respect to the Securities of such
     series.

          (c) The Trustee may be removed at any time with respect to the
     Securities of any series by Act of the Holders of a majority in principal
     amount of the Outstanding Securities of such series, delivered to the
     Trustee and to the Company.

          (d) If at any time:

               (1) the Trustee shall fail to comply with Section 310(b) of the
          Trust Indenture Act 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 Trustee shall cease to be eligible under Section 609 and
          shall fail to resign after written request therefor by the Company or
          by any such Holder, or

               (3) the Trustee shall become incapable of acting or shall be
          adjudged a bankrupt or insolvent or a receiver of the Trustee or of
          its property shall be appointed or any public officer shall take
          charge or control of the Trustee or of its property or affairs for the
          purpose of rehabilitation, conservation or liquidation, then, in any
          such case, (i) the Company by a Board Resolution may remove the
          Trustee with respect to all Securities, or (ii) subject to Section
          514, 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 Trustee with respect to all Securities and the appointment of a
          successor Trustee or Trustees.

          (e) If the Trustee shall resign, be removed or become incapable of
     acting, or if a vacancy shall occur in the office of Trustee for any cause,
     with respect to the Securities of one or more series, the Company, by a
     Board Resolution, shall promptly appoint a successor Trustee or Trustees
     with respect to the Securities of that or those series (it being understood
     that any such successor Trustee may be appointed with

 610
<PAGE>   65
                                        59

     respect to the Securities of one or more or all of such series and that at
     any time there shall be only one Trustee with respect to the Securities of
     any particular series) and shall comply with the applicable requirements of
     Section 611. If an instrument of acceptance by a successor Trustee shall
     not have been delivered to the Trustee within 30 days after the giving of
     such notice of removal, the Trustee being removed may petition, at the
     expense of the Company, any court of competent jurisdiction for the
     appointment of a successor Trustee with respect to the Securities of such
     series. If, within one year after such resignation, removal or
     incapability, or the occurrence of such vacancy, a successor Trustee with
     respect to the Securities of any series shall be appointed by Act of the
     Holders of a majority in principal amount of the Outstanding Securities of
     such series delivered to the Company and the retiring Trustee, the
     successor Trustee so appointed shall, forthwith upon its acceptance of such
     appointment in accordance with the applicable requirements of Section 611,
     become the successor Trustee with respect to the Securities of such series
     and to that extent supersede the successor Trustee appointed by the
     Company. If no successor Trustee with respect to the Securities of any
     series shall have been so appointed by the Company or the Holders and
     accepted appointment in the manner required by Section 611, any Holder who
     has been a bona fide Holder of a Security of such series for at least six
     months may, on behalf of himself and all others similarly situated,
     petition any court of competent jurisdiction for the appointment of a
     successor Trustee with respect to the Securities of such series.

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

SECTION 611.  Acceptance of Appointment by Successor.

     (a) In case of the appointment hereunder of a successor Trustee with
respect to all Securities, every such successor Trustee so appointed shall
execute, acknowledge and deliver to the Company and to the retiring Trustee an
instrument accepting such appointment, and thereupon the resignation or removal
of the retiring Trustee shall become effective and
                                                                         610,611
<PAGE>   66
                                        60

such successor Trustee, without any further act, deed or conveyance, shall
become vested with all the rights, powers, trusts and duties of the retiring
Trustee; but, on the request of the Company or the successor Trustee, such
retiring Trustee shall, upon payment of its charges, execute and deliver an
instrument transferring to such successor Trustee all the rights, powers and
trusts of the retiring Trustee and shall duly assign, transfer and deliver to
such successor Trustee all property and money held by such retiring Trustee
hereunder.

     (b) In case of the appointment hereunder of a successor Trustee with
respect to the Securities of one or more (but not all) series, the Company, the
retiring Trustee and each successor Trustee with respect to the Securities of
one or more series shall execute and deliver an indenture supplemental hereto
wherein each successor Trustee shall accept such appointment and which (1) shall
contain such provisions as shall be necessary or desirable to transfer and
confirm to, and to vest in, each successor Trustee all the rights, powers,
trusts and duties of the retiring Trustee with respect to the Securities of that
or those series to which the appointment of such successor Trustee relates, (2)
if the retiring Trustee is not retiring with respect to all Securities, shall
contain such provisions as shall be deemed necessary or desirable to confirm
that all the rights, powers, trusts and duties of the retiring Trustee with
respect to the Securities of that or those series as to which the retiring
Trustee is not retiring shall continue to be vested in the retiring Trustee, and
(3) shall add to or change any of the provisions of this Indenture as shall be
necessary to provide for or facilitate the administration of the trusts
hereunder by more than one Trustee, it being understood that nothing herein or
in such supplemental indenture shall constitute such Trustees cotrustees of the
same trust and that each such Trustee shall be trustee of a trust or trusts
hereunder separate and apart from any trust or trusts hereunder administered by
any other such Trustee; and upon the execution and delivery of such supplemental
indenture the resignation or removal of the retiring Trustee shall become
effective to the extent provided therein and each such successor Trustee,
without any further act, deed or conveyance, shall become vested with all the
rights, powers, trusts and duties of the retiring Trustee with respect to the
Securities of that or those series to which the appointment of such successor
Trustee relates; but, on request of the Company or any successor Trustee, such
retiring Trustee shall duly assign, transfer and deliver to such successor
Trustee all property and money held by such retiring Trustee hereunder with
respect to the Securi-

 611
<PAGE>   67
                                        61

ties of that or those series to which the appointment of such successor Trustee
relates.

     (c) Upon request of any such successor Trustee, the Company shall execute
any and all instruments for more fully and certainly vesting in and confirming
to such successor Trustee all such rights, powers and trusts referred to in
paragraph (a) or (b) of this Section, as the case may be.

     (d) No successor Trustee shall accept its appointment unless at the time of
such acceptance such successor Trustee shall be qualified and eligible under
this Article and the Trust Indenture Act.

SECTION 612.  Merger, Conversion, Consolidation or Succession to Business.

     Any corporation into which the Trustee may be merged or converted or with
which it may be consolidated, or any corporation resulting from any merger,
conversion or consolidation to which the Trustee shall be a party, or any
corporation succeeding to all or substantially all the corporate trust business
of the Trustee, shall be the successor of the Trustee hereunder, provided such
corporation shall be otherwise qualified and eligible under this Article,
without the execution or filing of any paper or any further act on the part of
any of the parties hereto. In case any Securities shall have been authenticated,
but not delivered, by the Trustee then in office, any successor by merger,
conversion or consolidation to such authenticating Trustee may adopt such
authentication and deliver the Securities so authenticated with the same effect
as if such successor Trustee had itself authenticated such Securities.

SECTION 613.  Preferential Collection of Claims Against Company.

     Reference is made to Section 311 of the Trust Indenture Act. For purposes
of Section 311(b),

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

          (2) the term "self-liquidating paper" means any draft, bill of
     exchange, acceptance or obligation which is made, drawn, negotiated or
     incurred by the Company for the purpose of financing the purchase,
     processing, manufacturing, shipment, storage or sale of goods, wares or
     merchandise and which is secured by documents evidencing title to,
     possession of, or a lien upon, the goods, wares or merchandise or the

                                                                     611,612,613
<PAGE>   68
                                        62

     receivables or proceeds arising from the sale of the goods, wares or
     merchandise previously constituting the security, provided the security is
     received by the Trustee simultaneously with the creation of the creditor
     relationship with the Company arising from the making, drawing, negotiating
     or incurring of the draft, bill of exchange, acceptance or obligation.

SECTION 614.  Appointment of Authenticating Agent.

     At any time when any of the Securities remain Outstanding, the Trustee may
appoint an Authenticating Agent or Agents with respect to one or more series of
Securities which shall be authorized to act on behalf of the Trustee to
authenticate Securities of such series issued upon exchange, registration of
transfer or partial redemption thereof or pursuant to Section 306, and
Securities so authenticated shall be entitled to the benefits of this Indenture
and shall be valid and obligatory for all purposes as if authenticated by the
Trustee hereunder. Wherever reference is made in this Indenture to the
authentication and delivery of Securities by the Trustee or the Trustee's
certificate of authentication, such reference shall be deemed to include
authentication and delivery on behalf of the Trustee by an Authenticating Agent
and a certificate of authentication executed on behalf of the Trustee by an
Authenticating Agent. Each Authenticating Agent shall be acceptable to the
Company and shall at all times 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 act as Authenticating Agent,
having a combined capital and surplus of not less than $50,000,000 and subject
to supervision or examination by Federal or State authority. If such
Authenticating Agent 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
Authenticating Agent 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 an
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, such Authenticating Agent shall resign immediately
in the manner and with the effect specified in this Section.

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

 613,614
<PAGE>   69
                                        63

Authenticating Agent, shall continue to be an Authenticating Agent, provided
such corporation shall be otherwise eligible under this Section, without the
execution or filing of any paper or any further act on the part of the Trustee
or the Authenticating Agent.

     An Authenticating Agent may resign at any time by giving written notice
thereof to the Trustee and to the Company. The Trustee may at any time terminate
the agency of an Authenticating Agent by giving written notice thereof to such
Authenticating Agent and to the Company. Upon receiving such a notice of
resignation or upon such a termination, or in case at any time such
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, the Trustee may appoint a successor Authenticating
Agent which shall be acceptable to the Company and shall mail written notice of
such appointment by first-class mail, postage prepaid, to all Holders of
Securities of the series with respect to which such Authenticating Agent will
serve, as their names and addresses appear in the Security Register. Any
successor Authenticating Agent upon acceptance of its appointment hereunder
shall become vested with all the rights, powers and duties of its predecessor
hereunder, with like effect as if originally named as an Authenticating Agent.
No successor Authenticating Agent shall be appointed unless eligible under the
provisions of this Section.

     The Company agrees to pay to each Authenticating Agent from time to time
reasonable compensation for its services under this Section 614.

     If an appointment with respect to one or more series is made pursuant to
this Section 614, the Securities of such series may have endorsed

                                                                             614
<PAGE>   70
                                        64

thereon, in addition to the Trustee's certificate of authentication, an
alternate certificate of authentication in the following form:

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

                                           The Bank of New York,

                                           As Trustee

                                           By:..................................
                                                         As Authenticating Agent

                                           By:..................................
                                                            Authorized Signatory

                                 ARTICLE SEVEN

               HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

SECTION 701.  Company to Furnish Trustee Names and Addresses of Holders.

     The Company will furnish or cause to be furnished to the Trustee

          (a) semi-annually, not more than 15 days after each Regular Record
     Date for a series of Securities, a list for such series of Securities, in
     such form as the Trustee may reasonably require, of the names and addresses
     of the Holders of Securities of such series as of such Regular Record Date,
     and

          (b) at such other times as the Trustee may request in writing, within
     30 days after the receipt by the Company of any such request, a list of
     similar form and content as of a date not more than 15 days prior to the
     time such list is furnished;

provided, however, that if and so long as the Trustee shall be the Security
Registrar, no such list need be furnished with respect to such series of
Securities.

 614,701
<PAGE>   71
                                        65

SECTION 702.  Preservation of Information; Communications to Holders.

     (a) The Trustee shall preserve, in as current a form as is reasonably
practicable, the names and addresses of Holders contained in the most recent
list furnished to the Trustee as provided in Section 701 and the names and
addresses of Holders received by the Trustee in its capacity as Security
Registrar. The Trustee may destroy any list furnished to it as provided in
Section 701 upon receipt of a new list so furnished.

     (b) If three or more Holders (herein referred to as "applicants") apply in
writing to the Trustee, and furnish to the Trustee 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 Indenture 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 Trustee shall, within five business days after the receipt of such
application, at its election, either

          (i) afford such applicants access to the information preserved at the
     time by the Trustee in accordance with Section 702(a), or

          (ii) inform such applicants as to the approximate number of Holders
     whose names and addresses appear in the information preserved at the time
     by the Trustee in accordance with Section 702(a), and as to the approximate
     cost of mailing to such Holders the form of proxy or other communication,
     if any, specified in such application.

     If the Trustee shall elect not to afford such applicants access to such
information, the Trustee shall, upon the written request of such applicants,
mail to each Holder whose name and address appear in the information preserved
at the time by the Trustee in accordance with Section 702(a) a copy of the form
of proxy or other communication which is specified in such request, with
reasonable promptness after a tender to the Trustee of the material to be mailed
and of payment, or provision for the payment, of the reasonable expenses of
mailing, unless within five days after such tender the Trustee shall mail to
such applicants and file with the Commission, together with a copy of the
material to be mailed, a written statement to the effect that, in the opinion of
the Trustee, such mailing would be contrary to the best interest of the Holders
or would be in violation of applicable law. Such written statement shall specify
the basis of such opinion. If the Commission, after opportunity for a hearing
upon the objections specified in the written statement so filed, shall enter an
order refusing to sustain any

                                                                             702
<PAGE>   72
                                        66

of such objections or if, after the entry of an order sustaining one or more of
such objections, the Commission shall find, after notice and opportunity for
hearing, that all the objections so sustained have been met and shall enter an
order so declaring, the Trustee shall mail copies of such material to all such
Holders with reasonable promptness after the entry of such order and the renewal
of such tender; otherwise the Trustee shall be relieved of any obligation or
duty to such applicants respecting their application.

     (c) Every Holder of Securities, by receiving and holding the same, agrees
with the Company and the Trustee that neither the Company nor the Trustee nor
any agent of either of them shall be held accountable by reason of the
disclosure of any such information as to the names and addresses of the Holders
in accordance with Section 702(b), regardless of the source from which such
information was derived, and that the Trustee shall not be held accountable by
reason of mailing any material pursuant to a request made under Section 702(b).

SECTION 703.  Reports by Trustee.

     Any Trustee's report required pursuant to Section 313(a) of the Trust
Indenture Act shall be dated as of August 1, and shall be transmitted within 60
days after August 1 of each year, commencing with the year 2002, by mail to all
Holders, as their names and addresses appear in the Security Register. A copy of
each such report shall, at the time of such transmission to Holders, be filed by
the Trustee with each stock exchange upon which any Securities are listed, with
the Commission and with the Company. The Company will notify the Trustee when
any Securities are listed on any stock exchange.

SECTION 704.  Reports by Company.

     The Company shall file with the Trustee, within 15 days after the Company
is required to file the same with the Commission, copies of the annual reports
and of the information, documents and other reports which the Company may be
required to file with the Commission pursuant to Section 13 or Section 15(d) of
the Securities Exchange Act of 1934, as amended, or pursuant to Section 314 of
the Trust Indenture Act. Delivery of such reports, information and documents to
the Trustee is for informational purposes only and the Trustee's receipt of such
shall not constitute constructive notice of any information contained therein or
determinable from information contained therein, including the Company's
compliance

 702,703,704
<PAGE>   73
                                        67

with any of its covenants hereunder (as to which the Trustee is entitled to rely
exclusively on Officers' Certificates).

                                 ARTICLE EIGHT

                         CONSOLIDATION, MERGER AND SALE

SECTION 801.  Company May Consolidate, Etc., Only on Certain Terms.

     The Company shall not consolidate with or merge into any other person or
convey, transfer or lease its properties and assets substantially as an entirety
to any Person unless:

          (1) (A) in the case of a merger, the Company is the surviving entity,
     or (B) the Person formed by such consolidation or into which the Company is
     merged or the Person which acquires by conveyance or transfer, or which
     leases, the properties and assets of the Company substantially as an
     entirety shall be a corporation, partnership or trust, shall be organized
     and existing under the laws of the United States of America, any State
     thereof or the District of Columbia and shall expressly assume, by an
     indenture supplemental hereto, executed and delivered to the Trustee, in
     form satisfactory to the Trustee, the due and punctual payment of the
     principal of and interest on all the Securities and the performance of
     every covenant of this Indenture on the part of the Company to be performed
     or observed and shall have expressly provided for conversion rights in
     respect of any series of Outstanding Securities with conversion rights;

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

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

SECTION 802.  Successor Substituted.

     Upon any consolidation of the Company with or merger of the Company into,
any other person or any conveyance, transfer or lease of the properties

                                                                     704,801,802
<PAGE>   74
                                        68

and assets of the Company substantially as an entirety in accordance with
Section 801, the successor person formed by such consolidation or into which the
Company is merged or to which such conveyance, transfer or lease is made shall
succeed to, and be substituted for, and may exercise every right and power of,
the Company under this Indenture with the same effect as if such successor
person had been named as the Company herein, and thereafter, except in the case
of a lease to another Person, the predecessor person shall be relieved of all
obligations and covenants under this Indenture and the Securities.

                                  ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

SECTION 901.  Supplemental Indentures Without Consent of Holders.

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

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

          (2) to add to the covenants of the Company such further covenants,
     restrictions, conditions or provisions as the Company shall consider to be
     appropriate for the benefit of the Holders of all or any series of
     Securities (and if such covenants, restrictions, conditions or provisions
     are to be for the benefit of less than all series of Securities, stating
     that such covenants are expressly being included solely for the benefit of
     such series) or to surrender any right or power herein conferred upon the
     Company and to make the occurrence, or the occurrence and continuance, of a
     default in any such additional covenants, restrictions, conditions or
     provisions an Event of Default permitting the enforcement of all or any of
     the several remedies provided in this Indenture as herein set forth;
     provided, that in respect of any such additional covenant, restriction,
     condition or provision such supplemental indenture may provide for a
     particular period of grace after default (which period may be shorter or
     longer than that allowed in the case of other defaults) or may provide for
     an immediate enforcement upon such an Event of Default or may limit the
     remedies

 802,901
<PAGE>   75
                                        69

     available to the Trustee upon such an Event of Default or may limit the
     right of the Holders of a majority in aggregate principal amount of the
     Securities of such series to waive such an Event of Default; or

          (3) to add any additional Events of Default in respect of all or any
     series of Securities; or

          (4) to add to, change or eliminate any of the provisions of this
     Indenture to such extent as shall be necessary to permit or facilitate the
     issuance of Securities in bearer form, registrable or not registrable as to
     principal, and with or without interest coupons; or

          (5) to change or eliminate any of the provisions of this Indenture,
     provided that any such change or elimination shall become effective only
     when there is no Security Outstanding of any series created prior to the
     execution of such supplemental indenture which is entitled to the benefit
     of such provision; or

          (6) to secure the Securities of any series pursuant to the
     requirements of Section 1005 or otherwise; or

          (7) to establish the form or terms of Securities of any series as
     permitted by Sections 201 and 301; or

          (8) to evidence and provide for the acceptance of appointment
     hereunder by a successor Trustee with respect to the Securities of one or
     more series and to add to or change any of the provisions of this Indenture
     as shall be necessary to provide for or facilitate the administration of
     the trusts hereunder by more than one Trustee, pursuant to the requirements
     of Section 611(b); or

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

          (10) to modify, eliminate or add to the provisions of this Indenture
     to such extent as shall be necessary to effect the qualification of this
     Indenture under the Trust Indenture Act or under any similar federal
     statute subsequently enacted, and to add to this Indenture such other
     provisions as may be expressly required under the Trust Indenture Act.

                                                                             901
<PAGE>   76
                                        70

The Trustee is hereby authorized to join with the Company in the execution of
any such supplemental indenture, to make any further appropriate agreements and
stipulations which may be therein contained and to accept the conveyance,
transfer, assignment, mortgage or pledge of any property thereunder, but the
Trustee shall not be obligated to enter into any such supplemental indenture
which affects the Trustee's own rights, duties or immunities under this
Indenture or otherwise.

SECTION 902.  Supplemental Indentures with Consent of Holders.

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

          (1) change the Stated Maturity of the principal of, or any installment
     of principal of or interest on, any Security, or reduce the principal
     amount thereof or the rate of interest thereon or any premium payable upon
     the redemption thereof, or reduce the amount of the principal of an
     Original Issue Discount Security that would be due and payable upon a
     declaration of acceleration of the Maturity thereof pursuant to Section
     502, or change any Place of Payment where, or the coin or currency in
     which, any Security or any premium or the interest thereon is payable, or
     impair the right to institute suit for the enforcement of any such payment
     on or after the Stated Maturity thereof (or, in the case of redemption, on
     or after the Redemption Date), or

          (2) reduce the percentage in principal amount of the Outstanding
     Securities of any series, the consent of whose Holders is required for any
     such supplemental indenture, or the consent of whose Holders is required
     for any waiver (of compliance with certain provisions of this Indenture or
     certain defaults hereunder and their consequences) provided for in this
     Indenture, or

 901,902
<PAGE>   77
                                        71

          (3) modify any of the provisions of this Section 902, Section 513 or
     Section 1007, except to increase any such percentage or to provide that
     certain other provisions of this Indenture cannot be modified or waived
     without the consent of the Holder of each Outstanding Security affected
     thereby, provided, however, that this Clause (3) shall not be deemed to
     require the consent of any Holder with respect to changes in the references
     to "the Trustee" and concomitant changes in this Section, or the deletion
     of this proviso, in accordance with the requirements of Sections 611 (b)
     and 901(8).

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

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

SECTION 903.  Execution of Supplemental Indentures.

     In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture, the Trustee shall receive, and (subject to
Section 601) shall be fully protected in relying upon, an Opinion of Counsel and
Officer's Certificate stating that the execution of such supplemental indenture
is authorized or permitted by this Indenture. The Trustee may, but shall not be
obligated to, enter into any such supplemental indenture which affects the
Trustee's own rights, duties or immunities under this Indenture or otherwise.

SECTION 904.  Effect of Supplemental Indentures.

     Upon the execution of any supplemental indenture under this Article Nine,
this Indenture shall be modified in accordance therewith, and such supplemental
indenture shall form a part of this Indenture for all purposes; and every Holder
of Securities theretofore or thereafter authenticated and delivered hereunder
shall be bound thereby.

                                                                     902,903,904
<PAGE>   78
                                        72

SECTION 905.  Conformity with Trust Indenture Act.

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

SECTION 906.  Reference in Securities to Supplemental Indentures.

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

                                  ARTICLE TEN

                                   COVENANTS

SECTION 1001.  Payment of Principal, Premium and Interest.

     The Company covenants and agrees for the benefit of each series of
Securities that it will duly and punctually pay the principal of (and premium,
if any) and interest on the Securities of that series in accordance with the
terms of the Securities and this Indenture.

SECTION 1002.  Maintenance of Office or Agency.

     The Company will maintain in the Borough of Manhattan, The City of New York
and in each other Place of Payment for any series of Securities an office or
agency where Securities of that series may be presented or surrendered for
payment, where Securities of that series may be surrendered for registration of
transfer or exchange and where notices and demands to or upon the Company in
respect of the Securities of that series and this Indenture may be served. The
Company will give prompt written notice to the Trustee 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 Trustee with the address thereof, such presentations, surrenders,
notices and demands may be made or served at the Corporate Trust Office of the
Trustee, and the

 905,906,1001,1002
<PAGE>   79
                                        73

Company hereby appoints the Trustee 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 the Securities of one or more series 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 each Place of Payment for Securities of any series for such purposes. The
Company will give prompt written notice to the Trustee of any such designation
or rescission and of any change in the location of any such other office or
agency.

     Except as otherwise specified with respect to a series of Securities as
contemplated by Section 301, the Company hereby initially designates as the
Place of Payment for each series of Securities The City and State of New York,
and initially appoints the Trustee at its Corporate Trust Office as the
Company's office or agency for each such purpose in such city.

SECTION 1003.  Money for Securities Payments to Be Held in Trust.

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

     Whenever the Company shall have one or more Paying Agents for any series of
Securities, it will, prior to each due date of the principal of (and premium, if
any) or interest on any Securities of that series, deposit with a Paying Agent a
sum sufficient to pay the principal (and premium, if any) or interest so
becoming due, such sum to be held in trust for the benefit of the Persons
entitled to such principal, premium or interest, and (unless such Paying Agent
is the Trustee) the Company will promptly notify the Trustee of its action or
failure so to act. For purposes of this Section 1003, should a due date for
principal of (and premium, if any), interest on, or sinking fund payment with
respect to any series of Securities not be on a Business Day, such payment shall
be due on the next Business Day without any interest for the period from the due
date until such Business Day.

                                                                       1002,1003
<PAGE>   80
                                        74

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

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

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

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

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

     Subject to any applicable escheat or abandoned property laws, any money
deposited with the Trustee or any Paying Agent, or then held by the Company, in
trust for the payment of the principal of (and premium, if any) or interest on
any Security of any series and remaining unclaimed for one year after such
principal (and premium, if any) or interest has become due and payable shall be
paid to the Company on Company Request, or (if then held by the Company) shall
be discharged from such trust; and the Holder of such Security shall thereafter,
as an unsecured general creditor, look only to the Company for payment thereof,
and all liability of the Trustee or such Paying Agent with respect to such trust
money, and all liability of the Company as trustee thereof, shall thereupon
cease; provided, however, that the Trustee or such Paying Agent, before being
required to make any such repayment, may at the expense of the Company cause to
be published once, in a newspaper published in the English language, customarily
published on each Business Day and of general circulation in the Borough of
Manhattan,

 1003
<PAGE>   81
                                        75

The City of New York, notice that such money remains unclaimed and that, after a
date specified therein, which shall not be less than 30 days from the date of
such publication, any unclaimed balance of such money then remaining will be
repaid to the Company.

SECTION 1004.  Corporate Existence

     Subject to Article Eight, the Company will do or cause to be done all
things necessary to preserve and keep in full force and effect its corporate
existence, rights (charter and statutory) and franchises; provided, however,
that the Company shall not be required to preserve any such right or franchise
if the Board of Directors shall determine that the preservation thereof is no
longer desirable in the conduct of the business of the Company and that the loss
thereof is not disadvantageous in any material respect to the Holders.

SECTION 1005.  Limitation on Liens.

     The Company will not itself, and will not permit any Restricted Subsidiary
to, incur, issue, assume or guarantee any indebtedness for money borrowed (all
such indebtedness for money borrowed being hereinafter in this Article called
"Debt"), secured by a Mortgage on any Principal Property or on any shares of
stock or Indebtedness of any Restricted Subsidiary, without effectively
providing that the Securities of any series (together with, if the Company shall
so determine, any other indebtedness of the Company or such Restricted
Subsidiary which is not subordinate in right of payment to the prior payment in
full of the Securities of any series) shall be secured equally and ratably with
(or prior to) such secured Debt, so long as such secured Debt shall be so
secured, unless, after giving effect thereto, the aggregate amount of all Debt
so secured would not exceed 10% of Consolidated Net Tangible Assets as of a date
within 150 days prior to such determination; provided, however, that this
Section shall not apply to, and there shall be excluded from secured Debt in any
computation under this Section, Debt secured by:

          (1) Mortgages existing at the date of this Indenture;

          (2) Mortgages on property of, or on any shares of stock or
     Indebtedness of, any corporation existing at the time such corporation
     becomes a Restricted Subsidiary;

          (3) Mortgages in favor of the Company or any Restricted Subsidiary;

                                                                  1003,1004,1005
<PAGE>   82
                                        76

          (4) Mortgages on property, shares of stock or Indebtedness existing at
     the time of acquisition thereof (including acquisition through merger,
     consolidation or other reorganization) or to secure the payment of all or
     any part of the purchase price thereof or construction thereon or to secure
     any Debt incurred prior to, at the time of, or within 180 days after the
     later of the acquisition, the completion of construction or the
     commencement of full operation of such property or within 180 days after
     the acquisition of such shares or Indebtedness for the purpose of financing
     all or any part of the purchase price thereof or construction thereon, it
     being understood that if a commitment for such financing is obtained prior
     to or within such 180-day period, the applicable Mortgage shall be deemed
     to be included in this Clause (4) whether or not such Mortgage is created
     within such 180-day period;

          (5) Mortgages on property owned or leased by the Company or a
     Restricted Subsidiary in favor of the United States of America or any State
     thereof, or any department, agency or instrumentality or political
     subdivision of the United States of America or any State thereof, or in
     favor of any other country or any political subdivision thereof, or in
     favor of holders of securities issued by any such entity, pursuant to any
     contract or statute (including without limitation, mortgages or easements
     on property of the Company or any Restricted Subsidiary related to the
     financing of such property pursuant to Section 103 of the Internal Revenue
     Code of 1954, as amended or any successor section thereto);

          (6) Mortgages to secure partial, progress, advance or other payments
     or any Debt incurred for the purpose of financing all or any part of the
     purchase price or cost of construction, development or repair, alteration
     or improvement of the property subject to such Mortgage if the commitment
     for the financing is obtained not later than one year after the latter of
     the completion of or the placing into operation (exclusive of test and
     start-up periods) of such constructed, developed, repaired, altered or
     improved property;

          (7) Mortgages on oil, gas, coal or other minerals in place or on
     geothermal resources in place, or on related leasehold or other property
     interests, which are incurred to finance development, production or
     acquisition costs (including but not limited to Mortgages securing advance
     sale obligations);

 1005
<PAGE>   83
                                        77

          (8) Mortgages on equipment used or usable for drilling, servicing or
     operation of oil, gas, coal or other mineral properties or of geothermal
     properties;

          (9) Mortgages arising in connection with contracts or subcontracts
     with, or made at the request of, the United States of America, any State
     thereof or any department, agency or instrumentality of the United States
     or any State thereof; and

          (10) any extension, renewal or replacement (or successive extensions,
     renewals or replacements), as a whole or in part, of any Mortgage referred
     to in the foregoing Clauses (1) to (9) of this Section 1005, inclusive;
     provided, however, that such extension, renewal or replacement Mortgage
     shall be limited to all or a part of the same property, shares of stock or
     Restricted Subsidiary Indebtedness that secured the Mortgage extended,
     renewed or replaced (plus improvements on such property).

     The following transactions shall not be deemed to create Debt secured by a
Mortgage:

          (i) the sale or other transfer of oil, gas, coal or other minerals in
     place for a period of time until, or in an amount such that, the transferee
     will realize therefrom a specified amount of money (however determined) or
     a specified amount of oil, gas, coal or other minerals, or the sale or
     other transfer of any other interest in property of the character commonly
     referred to as an oil, gas, coal or other mineral payment or a production
     payment; and

          (ii) the sale or other transfer by the Company or a Restricted
     Subsidiary of properties to a partnership, joint venture or other entity
     whereby the Company or such Restricted Subsidiary would retain partial
     ownership of such properties.

SECTION 1006.  Statement by Officers as to Default.

     Annually, within 120 days after the close of each fiscal year beginning
with the fiscal year ending December 31, 2001, the Company will deliver to the
Trustee a brief certificate (which need not include the statements set forth in
Section 102) from the principal executive officer, principal financial officer
or principal accounting officer of the Company as to his or her knowledge of the
Company's compliance (without regard to any period of

                                                                       1005,1006
<PAGE>   84
                                        78

grace or requirement of notice provided herein) with all conditions and
covenants under the Indenture.

SECTION 1007.  Waiver of Certain Covenants.

     The Company may omit in any particular instance to comply with any term,
provision or condition set forth in Section 1004 or 1005 with respect to the
Securities of any series if before the time for such compliance the Holders of
at least a majority in aggregate principal amount of the Outstanding Securities
of all affected series (voting as one class) shall, by Act of such Holders,
either waive such compliance in such instance or generally waive compliance with
such term, provision or condition, but no such waiver shall extend to or affect
such term, provision or condition except to the extent so expressly waived, and,
until such waiver shall become effective, the obligations of the Company and the
duties of the Trustee in respect of any such term, provision or condition shall
remain in full force and effect.

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

                                 ARTICLE ELEVEN

                            REDEMPTION OF SECURITIES

SECTION 1101.  Applicability of Article.

     Securities of any series which are redeemable before their Stated Maturity
shall be redeemable in accordance with their terms and (except as otherwise
specified as contemplated by Section 301 for Securities of any series) in
accordance with this Article Eleven.

SECTION 1102.  Election to Redeem; Notice to Trustee.

     The election of the Company to redeem any Securities shall be evidenced by
a Board Resolution. In case of any redemption at the election of the Company of
less than all the Securities of any series, the Company shall, at least five
Business Days prior to the last date for the giving of notice of such redemption
(unless a shorter notice shall be satisfactory to the

 1006,1007,1101,1102
<PAGE>   85
                                        79

Trustee), notify the Trustee of such Redemption Date and of the principal amount
of Securities of such series to be redeemed. In the case of any redemption of
Securities (1) prior to the expiration of any restriction on such redemption
provided in the terms of such Securities or elsewhere in this Indenture or (2)
pursuant to an election of the Company that is subject to a condition specified
in the terms of the Securities of the series to be redeemed, the Company shall
furnish the Trustee with an Officers' Certificate evidencing compliance with
such restriction or condition.

SECTION 1103.  Selection by Trustee of Securities to Be Redeemed.

     If less than all the Securities of any series are to be redeemed, the
particular Securities to be redeemed shall be selected not more than 40 days
prior to the Redemption Date by the Trustee, from the Outstanding Securities of
such series not previously called for redemption, by such method as the Trustee
shall deem fair and appropriate and which may provide for the selection for
redemption of portions (equal to the minimum authorized denomination for
Securities of that series or any integral multiple thereof) of the principal
amount of Securities of such series of a denomination larger than the minimum
authorized denomination for Securities of that series.

     The Trustee shall promptly notify the Company in writing of the Securities
selected for redemption and, in the case of any Securities selected for partial
redemption, the principal amount thereof to be redeemed. If the Securities of
any series to be redeemed consist of Securities having different dates on which
the principal is payable or different rates of interest, or different methods by
which interest may be determined or have any other different tenor or terms,
then the Company may, by written notice to the Trustee, direct that the
Securities of such series to be redeemed shall be selected from among the groups
of such Securities having specified tenor or terms and the Trustee shall
thereafter select the particular Securities to be redeemed in the manner set
forth in the preceding paragraph from among the group of such Securities so
specified.

     For all purposes of this Indenture, unless the context otherwise requires,
all provisions relating to the redemption of Securities shall relate, in the
case of any Securities redeemed or to be redeemed only in part, to the portion
of the principal amount of such Securities which has been or is to be redeemed.

                                                                       1102,1103
<PAGE>   86
                                        80

SECTION 1104.  Notice of Redemption.

     Notice of redemption shall be given by first-class mail, postage prepaid,
mailed not less than 15 nor more than 60 days prior to the Redemption Date, to
each Holder of Securities to be redeemed, at his address appearing in the
Security Register.

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

          (1) the Redemption Date,

          (2) the Redemption Price,

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

          (4) that on the Redemption Date the Redemption Price will become due
     and payable upon each such Security to be redeemed and, if applicable, that
     interest thereon will cease to accrue on and after said date,

          (5) the place or places where such Securities are to be surrendered
     for payment of the Redemption Price, and

          (6) that the redemption is for a sinking fund, if such is the case.

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

SECTION 1105.  Deposit of Redemption Price.

     Prior to 10:00 A.M. New York time on any Redemption Date, the Company shall
deposit with the Trustee or with a Paying Agent (or, if the Company is acting as
its own Paying Agent, segregate and hold in trust as provided in Section 1003)
an amount of money sufficient to pay the Redemption Price of, and (except if the
Redemption Date shall be an Interest Payment Date) accrued interest on, all the
Securities which are to be redeemed on that date.

SECTION 1106.  Securities Payable on Redemption Date.

     Notice of redemption having been given as aforesaid, the Securities so to
be redeemed shall, on the Redemption Date, become due and payable at

 1104,1105,1106
<PAGE>   87
                                        81

the Redemption Price therein specified, and from and after such date (unless the
Company shall default in the payment of the Redemption Price and accrued
interest) such Securities shall cease to bear interest. Upon surrender of any
such Security for redemption in accordance with said notice, such Security shall
be paid by the Company at the Redemption Price, together with accrued interest
to the Redemption Date; provided, however, that unless otherwise specified with
respect to Securities of any series as contemplated in Section 301, installments
of interest whose Stated Maturity is on or prior to the Redemption Date shall be
payable to the Holders of such Securities, or one or more Predecessor
Securities, registered as such at the close of business on the relevant Record
Dates according to their terms and the provisions of Section 307.

     If any Security called for redemption shall not be so paid upon surrender
thereof for redemption, the principal (and premium, if any) shall, until paid,
bear interest from the Redemption Date at the rate prescribed therefor in the
Security.

SECTION 1107.  Securities Redeemed in Part.

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

                                 ARTICLE TWELVE

                                 SINKING FUNDS

SECTION 1201.  Applicability of Article.

     The provisions of this Article Twelve shall be applicable to any sinking
fund for the retirement of Securities of a series except as otherwise specified
as contemplated by Section 301 for Securities of such series.

     The minimum amount of any sinking fund payment provided for by the terms of
Securities of any series is herein referred to as a "mandatory

                                                                  1106,1107,1201
<PAGE>   88
                                        82

sinking fund payment," and any payment in excess of such minimum amount provided
for by the terms of Securities of any series is herein referred to as an
"optional sinking fund payment." If provided for by the terms of Securities of
any series, the cash amount of any sinking fund payment may be subject to
reduction as provided in Section 1202. Each sinking fund payment shall be
applied to the redemption of Securities of any series as provided for by the
terms of Securities of such series.

SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities.

     The Company (1) may deliver Outstanding Securities of a series (other than
any previously called for redemption) and (2) may apply as a credit Securities
of a series which have been redeemed either at the election of the Company
pursuant to the terms of such Securities or through the application of permitted
optional sinking fund payments pursuant to the terms of such Securities, in each
case in satisfaction of all or any part of any sinking fund payment with respect
to the Securities of such series required to be made pursuant to the terms of
such Securities as provided for by the terms of such Series; provided that such
Securities have not been previously so credited. Such Securities shall be
received and credited for such purpose by the Trustee at the Redemption Price
specified in such Securities for redemption through operation of the sinking
fund and the amount of such sinking fund payment shall be reduced accordingly.

SECTION 1203.  Redemption of Securities for Sinking Fund.

     Not less than 45 days prior to each sinking fund payment date for any
series of Securities (unless a shorter period shall be satisfactory to the
Trustee), the Company will deliver to the Trustee an Officers' Certificate
specifying the amount of the next ensuing sinking fund payment for that series
pursuant to the terms of that series, the portion thereof, if any, which is to
be satisfied by payment of cash and the portion thereof, if any, which is to be
satisfied by delivering and crediting Securities of that series pursuant to
Section 1202 and will also deliver to the Trustee any Securities to be so
delivered. Not less than 30 days before each such sinking fund payment date the
Trustee shall select the Securities to be redeemed upon such sinking fund
payment date in the manner specified in Section 1103 and cause notice of the
redemption thereof to be given in the name of and at the expense of the Company
in the manner provided in Section 1104. Such notice having been duly given, the
redemption of such Securities shall be made upon the terms and in the manner
stated in Sections 1106 and 1107.

 1201,1202,1203
<PAGE>   89
                                        83

                                ARTICLE THIRTEEN

                                   DEFEASANCE

SECTION 1301.  Applicability of Article.

     The provisions of this Article shall be applicable to each series of
Securities except as otherwise specified as contemplated by Section 301 for
Securities of such series.

SECTION 1302.  Legal Defeasance.

     In addition to discharge of the Indenture pursuant to Section 401, the
Company shall be deemed to have paid and discharged the entire indebtedness on
all the Securities of such a series on the 91st day after the date of the
deposit referred to in Clause (1) below (and the Trustee, at the expense of the
Company, shall upon a Company Request execute proper instruments acknowledging
same), and the provisions of this Indenture with respect to the Securities of
such series shall no longer be in effect, except for the following which shall
survive until otherwise terminated or discharged hereunder: (A) the rights of
Holders of Outstanding Securities of such series to receive, solely from the
trust fund described in Section 1304 and as more fully set forth in such
Section, payments in respect of the principal of (and premium, if any) and
interest on such Securities when such payments are due, (B) the Company's
obligations with respect to such Securities under Sections 304, 305, 306, 1002
and 1003, (C) the rights, powers, trusts, duties, and immunities of the Trustee
hereunder and (D) this Article Thirteen, if the conditions set forth below are
satisfied (hereinafter, "defeasance"):

          (1) The Company has irrevocably deposited or caused to be deposited
     with the Trustee (or another trustee satisfying the requirements of Section
     609 who shall agree to comply with the provisions of this Article Thirteen
     applicable to it) as trust funds in trust for the purposes of making the
     following payments, specifically pledged as security for, and dedicated
     solely to, the benefit of the Holders of the Securities of such series (i)
     cash in an amount, or (ii) in the case of any series of Securities the
     payments on which may only be made in legal coin or currency of the United
     States, U.S. Government Obligations which through the scheduled payment of
     principal and interest in respect thereof in accordance with their terms
     will provide, not later than one day before the due date of any payment,
     cash in an amount, or (iii) a combination thereof, sufficient, in the
     opinion of a nationally

                                                                       1301,1302
<PAGE>   90
                                        84

     recognized firm of independent public accountants expressed in a written
     certification thereof delivered to the Trustee, to pay and discharge (A)
     the principal of (and premium, if any, on) and interest on and each
     installment of principal of (and premium, if any, on) and interest on the
     Outstanding Securities of such series on the Stated Maturity of such
     principal or installment of principal or interest, as the case may be, or
     on any Redemption Date established pursuant to Clause (3) below, and (B)
     any mandatory sinking fund or analogous payments on the dates on which such
     payments are due and payable in accordance with the terms of the Indenture
     and the Securities of such series. For this purpose, "U.S. Government
     Obligations" means securities that are (x) direct obligations of the United
     States of America for the payment of which its full faith and credit is
     pledged or (y) obligations of a Person controlled or supervised by and
     acting as an agency or instrumentality of the United States of America,
     which, in either case, are not callable or redeemable at the option of the
     issuer thereof, and shall also include a depository receipt issued by a
     bank (as defined in Section 3(a)(2) of the Securities Act of 1933, as
     amended) as custodian with respect to any such U.S. Government Obligation
     or a specific payment of principal of or interest on any such U.S.
     Government Obligation held by such custodian for the account of the holder
     of such depository receipt, provided that (except as required by law) such
     custodian is not authorized to make any deduction from the amount payable
     to the holder of such depository receipt from any amount received by the
     custodian in respect of the U.S. Government Obligation or the specific
     payment of principal of or interest on the U.S. Government Obligation
     evidenced by such depository receipt.

          (2) The Company has delivered to the Trustee an Opinion of Counsel
     based on the fact that (x) the Company has received from, or there has been
     published by, the Internal Revenue Service a ruling, or (y) since the date
     hereof, there has been a change in the applicable federal income tax law,
     in either case to the effect that, and such opinion shall confirm that, the
     holders of the Securities of such series will not recognize income, gain or
     loss for federal income tax purposes as a result of such deposit and
     defeasance and will be subject to federal income tax on the same amount and
     in the same manner and at the same times, as would have been the case if
     such deposit and defeasance had not occurred.

 1302
<PAGE>   91
                                        85

          (3) If the Securities are to be redeemed prior to Stated Maturity
     (other than from mandatory sinking fund payments or analogous payments),
     notice of such redemption shall have been duly given pursuant to this
     Indenture or provision therefor satisfactory to the Trustee shall have been
     made.

          (4) No Event of Default or event which with notice or lapse of time or
     both would become an Event of Default shall have occurred and be continuing
     on the date of such deposit.

          (5) Such defeasance shall not cause the Trustee for the Securities of
     such series to have a conflicting interest as defined in Section 310(b) of
     the Trust Indenture Act with respect to any securities of the Company.

          (6) Such defeasance shall not result in a breach or violation of, or
     constitute a default under this Indenture or any other agreement or
     instrument to which the Company is a party or by which it is bound.

          (7) Such defeasance shall not cause any Securities of such series then
     listed on any registered national securities exchange under the Securities
     Exchange Act of 1934, as amended, to be delisted.

          (8) Such defeasance shall be effected in compliance with any
     additional terms, conditions or limitations which may be imposed on the
     Company in connection therewith pursuant to Section 301.

          (9) The Company has delivered to the Trustee an Officer's Certificate
     and an Opinion of Counsel, each stating that all conditions precedent
     provided for relating to the defeasance contemplated by this provision have
     been complied with.

     For this purpose, such defeasance means that the Company and any other
obligor upon the Securities of such series shall be deemed to have paid and
discharged the entire debt represented by the Securities of such series, which
shall thereafter be deemed to be "Outstanding" only for the purposes of Section
1304 and the rights and obligations referred to in Clauses (A) through (D),
inclusive, of the first paragraph of this Section, and to have satisfied all its
other obligations under the Securities of such series and this Indenture insofar
as the Securities of such series are concerned.

     Notwithstanding the foregoing, if an Event of Default specified in
Subsection 501(5) or 501(6), or an event which with lapse of time would

                                                                            1302
<PAGE>   92
                                        86

become such an Event of Default, shall occur during the period ending on the
91st day after the date of the deposit referred to in Clause (1) or, if longer,
ending on the day following the expiration of the longest preference period
applicable to the Company in respect of such deposit, then, effective upon such
occurrence, the defeasance pursuant to this Section 1302 and such deposit shall
be rescinded and annulled, and the Company, the Trustee and the Holders of the
Securities of such series shall be restored to their former positions.

SECTION 1303.  Covenant Defeasance.

     The Company and any other obligor, if any, shall be released on the 91st
day after the date of the deposit referred to in Clause (1) below from its
obligations under Sections 704, 801, 1004 and 1005 with respect to the
Securities of any series on and after the date the conditions set forth below
are satisfied (hereinafter, "covenant defeasance"), and the Securities of such
series shall thereafter be deemed to be not "Outstanding" for the purposes of
any request, demand, authorization, direction, notice, waiver, consent or
declaration or other action or Act of Holders (and the consequences of any
thereof) in connection with such covenants, but shall continue to be deemed
Outstanding for all other purposes hereunder. For this purpose, such covenant
defeasance means that, with respect to the Securities of such series, the
Company may omit to comply with and shall have no liability in respect of any
term, condition or limitation set forth in any such Section, whether directly or
indirectly by reason of any reference elsewhere herein to such Section or by
reason of any reference in such Section to any other provision herein or in any
other document and such omission to comply shall not constitute a Default or an
Event of Default under Section 501, but, except as specified above, the
remainder of this Indenture and the Securities of such series shall be
unaffected thereby. The following shall be the conditions to application of this
Section 1303;

          (1) The Company has irrevocably deposited or caused to be deposited
     with the Trustee (or another trustee satisfying the requirements of Section
     609 who shall agree to comply with the provisions of this Article Thirteen
     applicable to it) as trust funds in trust for the purpose of making the
     following payments, specifically pledged as security for, and dedicated
     solely to, the benefit of the Holders of the Securities of such series (i)
     cash in an amount, or (ii) in the case of any series of Securities the
     payments on which may only be made in legal coin or currency of the United
     States, U.S. Government Obligations which through the scheduled payment of
     principal and interest in
 1302,1303
<PAGE>   93
                                        87

     respect thereof in accordance with their terms will provide, not later than
     one day before the due date of any payment, cash in an amount, or (iii) a
     combination thereof, sufficient, in the opinion of a nationally recognized
     firm of independent public accountants expressed in a written certification
     thereof delivered to the Trustee, to pay and discharge (A) the principal of
     (and premium, if any, on) and interest on and each installment of principal
     of (and premium, if any, on) and interest on the Outstanding Securities of
     such series on the Stated Maturity of such principal or installment of
     principal or interest, as the case may be, or on any Redemption Date
     established pursuant to Clause (2) below, and (B) any mandatory sinking
     fund payments on the date on which such payments are due and payable in
     accordance with the terms of the Indenture and the Securities of such
     series.

          (2) If the Securities are to be redeemed prior to Stated Maturity
     (other than from mandatory sinking fund payments or analogous payments),
     notice of such redemption shall have been duly given pursuant to this
     Indenture or provision therefor satisfactory to the Trustee shall have been
     made.

          (3) No Event of Default or event which with notice or lapse of time or
     both would become an Event Default shall have occurred and be continuing on
     the date of such deposit.

          (4) The Company shall have delivered to the Trustee an Opinion of
     Counsel which shall confirm that the holders of the Securities of such
     series will not recognize income, gain or loss for federal income tax
     purposes as a result of such deposit and covenant defeasance and will be
     subject to federal income tax on the same amount and in the same manner and
     at the same times, as would have been the case if such deposit and covenant
     defeasance had not occurred.

          (5) Such defeasance shall not cause the Trustee for the Securities of
     such series to have a conflicting interest as defined in Section 310(b) of
     the Trust Indenture Act with respect to any securities of the Company.

          (6) Such defeasance shall not result in a breach or violation of, or
     constitute a default under this Indenture or any other agreement or
     instrument to which the Company is a party or by which it is bound.

          (7) Such defeasance shall not cause any Securities of such series then
     listed on any registered national securities exchange under the Securities
     Exchange Act of 1934, as amended, to be delisted.

                                                                            1303
<PAGE>   94
                                        88

          (8) Such defeasance shall be effected in compliance with any
     additional terms, conditions or limitations which may be imposed on the
     Company in connection therewith pursuant to Section 301.

          (9) The Company shall have delivered to the Trustee an Officer's
     Certificate stating that all conditions precedent provided for relating to
     the covenant defeasance contemplated by this provision have been complied
     with.

     Notwithstanding the foregoing, if an Event of Default specified in
Subsection 501(5) or 501(6), or an event which with lapse of time would become
such an Event of Default, shall occur during the period ending on the 91st day
after the date of the deposit referred to in Clause (1) or, if longer, ending on
the day following the expiration of the longest preference period applicable to
the Company in respect of such deposit, then, effective upon such occurrence,
the defeasance pursuant to this Section 1303 and such deposit shall be rescinded
and annulled, and the Company, the Trustee and the Holders of the Securities of
such series shall be restored to their former positions.

SECTION 1304.  Deposited Money and U.S. Government Obligations to be
  Held in Trust.

     Subject to the provisions of the last paragraph of Section 1003, all money
and U.S. Government Obligations (including the proceeds thereof) deposited with
the Trustee (or other qualifying trustee -- collectively, for purposes of this
Section 1304, the "Trustee") pursuant to Section 1302 or 1303 in respect of the
Outstanding Securities of such series shall be held in trust and applied by the
Trustee, in accordance with the provisions of such Securities and this
Indenture, to the payment, either directly or through any Paying Agent
(including the Company acting as its own Paying Agent), to the Holders of such
Securities, of all sums due and to become due thereon in respect of principal
(and premium, if any) and interest, but such money need not be segregated from
other funds except to the extent required by law.

     The Company shall pay and indemnify the Trustee against any tax, fee or
other charge imposed on or assessed against the U.S. Government Obligations
deposited pursuant to Section 1302 or 1303 or the principal and interest
received in respect thereof other than any such tax, fee or other charge which
by law is for the account of the Holders of the Outstanding Securities of such
series.

 1303,1304
<PAGE>   95
                                        89

SECTION 1305.  Repayment to Company.

     The Trustee and any Paying Agent promptly shall pay or return to the
Company upon Company Request any money and U.S. Government Obligations held by
them at any time that are not required for the payment of the principal of and
any interest on the Securities of any series for which money or U.S.
Governmental Obligations have been deposited pursuant to Section 1302 or 1303.

     The provisions of the last paragraph of Section 1003 shall apply to any
money held by the Trustee or any Paying Agent under this Article Thirteen that
remains unclaimed for two years after the Maturity of any series of Securities
for which money or U.S. Government obligations have been deposited pursuant to
Section 1302 or 1303.

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

                                                                            1305
<PAGE>   96
                                        90

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

                                           ANADARKO PETROLEUM
                                           CORPORATION

                                           BY:/S/ ALBERT RICHEY

                                               Vice President and Treasurer

                                           THE BANK OF NEW YORK

                                           as Trustee

                                           By: /S/ BARBARA A. BEVELAQUA

                                              Name: Barbara A. Bevelaqua

                                              Title: Vice President

 1305

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