Document:

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                                                                     EXHIBIT 4.6

                                   INDENTURE

      INDENTURE, dated as of ______________, between CAPSTONE TURBINE
CORPORATION, a Delaware corporation (hereinafter called the "Company"), having
its principal office at 21211 Nordhoff Street, Chatsworth, California 91311 and
_________________________ _______________________________________ as Trustee
hereunder (hereinafter called the "Trustee"), having its Corporate Trust Office
at _________________________________________________.

                              RECITALS OF THE TRUST

      The Company deems it necessary to issue from time to time for its lawful
purposes subordinated debt securities (hereinafter called the "Securities")
evidencing its unsecured indebtedness, and has duly authorized the execution and
delivery of this Indenture to provide for the issuance from time to time of the
Securities, unlimited as to aggregate principal amount, to bear interest at the
rates or formulas, to mature at such times and to have such other provisions as
shall be fixed therefor as hereinafter provided.

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

                   NOW, THEREFORE, THIS INDENTURE WITNESSETH:

      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, 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 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;

            (2) all other terms used herein which are defined in the Trust
Indenture Act (as defined below), either directly or by reference therein, have
the meanings assigned to them therein, and the terms "cash transaction" and
"self-liquidating paper," as used in Trust Indenture Act Section 311, shall have
the meanings assigned to them in the rules of the Commission adopted under the
Trust Indenture Act;

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            (3) all accounting terms not otherwise defined herein have the
meanings assigned to them in accordance with generally accepted accounting
principles; 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 Three, Article Five, Article
Six and Article Ten, are defined in those Articles. In addition, the following
terms shall have the indicated respective meanings:

      "Acquired Debt" means Debt of a Person (i) existing at the time such
Person becomes a Subsidiary or (ii) assumed in connection with the acquisition
of assets from such Person, in each case, other than Debt incurred in connection
with, or in contemplation of, such Person becoming a Subsidiary or such
acquisition. Acquired Debt shall be deemed to be incurred on the date of the
related acquisition of assets from any Person or the date the acquired Person
becomes a Subsidiary.

      "Act" has the meaning specified in Section 104.

      "Additional Amounts" means any additional amounts which are required by a
Security, under circumstances specified therein, to be paid by the Company in
respect of certain taxes imposed on certain Holders and which are owing to such
Holders.

      "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 authenticating agent appointed by the
Trustee pursuant to Section 611.

      "Authorized Newspaper" means a newspaper, printed in the English language
or in an official language of the country of publication, customarily published
on each Business Day, whether or not published on Saturdays, Sundays or
holidays, and of general circulation in each place in connection with which the
term is used or in the financial community of each such place. Whenever
successive publications are required to be made in Authorized Newspapers, the
successive publications may be made in the same or in different Authorized
Newspapers in the

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same city meeting the foregoing requirements and in each case on any Business
Day.

      "Bankruptcy Law" has the meaning specified in Section 501.

      "Bearer Security" means a Security which is payable to bearer.

      "Board of Directors" means either (i) the Board of Directors of the
Company, the executive committee or any other committee of directors of that
board duly authorized to act for it in respect hereof, or (ii) one or more duly
authorized officers of the Company to whom the Board of Directors of the Company
or a committee thereof has delegated the authority to act with respect to the
matters contemplated by this Indenture.

      "Board Resolution" means (i) 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 or a committee thereof, and to be in full force and
effect on the date of such certification, or (ii) a certificate signed by the
authorized officer or officers of the Company to whom the Board of Directors of
the Company or a committee thereof has delegated its authority (as described in
the definition of Board of Directors), and in each case delivered to the
Trustee.

      "Business Day", when used with respect to any Place of Payment or any
other particular location referred to in this Indenture or in the Securities,
means, unless otherwise specified with respect to any Securities pursuant to
Section 301, any day, other than a Saturday or Sunday, that is neither a legal
holiday nor a day on which banking institutions in that Place of Payment or
particular location are authorized or required by law, regulation or executive
order to close.

      "Capital Stock" means, with respect to any Person, any capital stock
(including preferred stock), shares, interests, participations or other
ownership interests (however designated) of such Person and any rights (other
than debt securities convertible into or exchangeable for corporate stock),
warrants or options to purchase any thereof.

      "CEDEL" means Centrale de Livraison de Valeurs Mobilieres, S.A., or its
successor.

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

      "Common Depository" has the meaning specified in Section 304(b).

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      "Company" means the Person named as the "Company" in the first paragraph
of this Indenture 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" and "Company Order" mean, respectively, a written
request or order signed in the name of the Company by the Chief Executive
Officer, the President or a Vice President of the Company, and by the Treasurer,
an Assistant Treasurer, the Secretary or an Assistant Secretary of the Company,
and delivered to the Trustee.

      "Conversion Event" means the cessation of use of (i) a Foreign Currency
(other than the ECU or other currency unit) both by the government of the
country which issued such currency and for the settlement of transactions by a
central bank or other public institutions of or within the international banking
community, (ii) the ECU both within the European Monetary System and for the
settlement of transactions by public institutions of or within the European
Communities or (iii) any currency unit (or composite currency) other than the
ECU for the purposes for which it was established.

      "Corporate Trust Office" means the office of the Trustee at which, at any
particular time, its corporate trust business shall be principally administered,
which office at the date hereof is located at __________________________________
________________________________.

      "Corporation" includes corporations, associations, companies and business
trusts.

      "Coupon" means any interest coupon appertaining to a Bearer Security.

      "Custodian" has the meaning set forth in Section 501.

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

      "Dollar" or "$" means a dollar or other equivalent unit in such coin or
currency of the United States of America as at the time shall be legal tender
for payment of public and private debts.

      "DTC" means The Depository Trust Company.

      "ECU" means the European Currency Unit as defined and revised from time to
time by the Council of the European Communities.

      "Euroclear" means Morgan Guaranty Trust Company of New York, Brussels
Office, or its successor as operator of the Euroclear System.

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      "European Communities" means the European Economic Community, the European
Coal and Steel Community and the European Atomic Energy Community.

      "European Monetary System" means the European Monetary System established
by the Resolution of December 5, 1978 of the Council of the European
Communities.

      "Event of Default" has the meaning specified in Article Five.

      "Exchange Act" means the Securities Exchange Act of 1934, as amended, and
the rules and regulations promulgated thereunder by the Commission.

      "Foreign Currency" means any currency, currency unit or composite
currency, including, without limitation, the ECU, issued by the government of
one or more countries other than the United States of America or by any
recognized confederation or association of such governments.

      "GAAP" means generally accepted accounting principles as used in the
United States applied on a consistent basis as in effect from time to time;
provided, that solely for purposes of any calculation required by the financial
covenants contained herein, "GAAP" shall mean generally accepted accounting
principles as used in the United States on the date hereof, applied on a
consistent basis.

      "Government Obligations" means securities which are (i) direct obligations
of the United States of America or the government which issued the Foreign
Currency in which the Securities of a particular series are payable, for the
payment of which its full faith and credit is pledged or (ii) obligations of a
Person controlled or supervised by and acting as an agency or instrumentality of
the United States of America or such government which issued the Foreign
Currency in which the Securities of such series are payable, the payment of
which is unconditionally guaranteed as a full faith and credit obligation by the
United States of America or such other government, 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 or trust company as custodian with
respect to any such Government Obligation or a specific payment of interest on
or principal of any such Government Obligation held by such custodian for the
account of the holder of a depository receipt, provided that (except as required
by law) such custodian is not authorized to make any deduction from the amount
payable to the holder of such depository receipt from any amount received by the
custodian in respect of the Government Obligation or the specific payment of
interest on or principal of the Government Obligation evidenced by such
depository receipt.

      "Holder" means, in the case of a Registered Security, the Person in whose
name a Security is registered in the Security Register and, in the case of a
Bearer

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Security, the bearer thereof and, when used with respect to any coupon, shall
mean the bearer thereof.

      "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; provided, however, that, if at any time more than one Person is
acting as Trustee under this instrument, "Indenture" shall mean, with respect to
any one or more series of Securities for which such Person is Trustee, 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 the or those
particular series of Securities for which such Person is Trustee established as
contemplated by Section 301, exclusive, however, of any provisions or terms
which relate solely to other series of Securities for which such Person is not
Trustee, regardless of when such terms or provisions were adopted, and exclusive
of any provisions or terms adopted by means of one or more indentures
supplemental hereto executed and delivered after such Person had become such
Trustee but to which such Person, as such Trustee, was not a party.

      "Indexed Security" means a Security the terms of which provide that the
principal amount thereof payable at Stated Maturity may be more or less than the
principal face amount thereof at original issuance.

      "Interest" when used with respect to an Original Issue Discount Security
which by its terms bears interest only after Maturity, shall mean interest
payable after Maturity, and, when used with respect to a Security which provides
for the payment of Additional Amounts pursuant to Section 1011, includes such
Additional Amounts.

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

      "Make-Whole Amount" means the amount, if any, in addition to principal
which is required by a Security, under the terms and conditions specified
therein or as otherwise specified as contemplated by Section 301, to be paid by
the Company to the Holder thereof in connection with any optional redemption or
accelerated payment of such Security.

      "Maturity" means, when used with respect to any Security, 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, notice of redemption, notice of option to elect
repayment, repurchase or otherwise.

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      "Officers' Certificate" means a certificate signed by the Chief Executive
Officer, the President or a Vice President and by the Treasurer, an Assistant
Treasurer, 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 or other counsel satisfactory to the
Trustee.

      "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, or portions thereof, for whose payment or
      redemption or repayment at the option of the Holder 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 and any coupons appertaining thereto; provided
      that, if such Securities are to be redeemed, notice of such redemption has
      been duly given pursuant to this Indenture or other provision therefor
      satisfactory to the Trustee has been made;

            (iii) Securities, except solely to the extent provided in Sections
      1402 or 1403, as applicable, with respect to which the Company has
      effected defeasance and/or covenant defeasance as provided in Article
      Fourteen;

            (iv) 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 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

            (v) Securities converted into Capital Stock of the Company pursuant
      to or in accordance with this Indenture if the terms of such Securities
      provide for convertibility pursuant to Section 301;

      provided, however, that in determining whether the Holders of the
      requisite principal amount of the Outstanding Securities have given any
      request,

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      demand, authorization, direction, notice, consent or waiver hereunder or
      are present at a meeting of Holders for quorum purposes, and for the
      purpose of making the calculations required by Trust Indenture Act Section
      313, (i) the principal amount of an Original Issue Discount Security that
      may be counted in making such determination or calculation and that shall
      be deemed to be Outstanding for such purpose shall be equal to the amount
      of principal thereof that would be (or shall have been declared to be) due
      and payable, at the time of such determination, upon a declaration of
      acceleration of the maturity thereof pursuant to Section 502, (ii) the
      principal amount of any Security denominated in a Foreign Currency that
      may be counted in making such determination or calculation and that shall
      be deemed Outstanding for such purpose shall be equal to the Dollar
      equivalent, determined pursuant to Section 301 as of the date such
      Security is originally issued by the Company, of the principal amount (or,
      in the case of an Original Issue Discount Security, the Dollar equivalent
      as of such date of original issuance of the amount determined as provided
      in clause (i) above) of such Security, (iii) the principal amount of any
      Indexed Security that may be counted in making such determination or
      calculation and that shall be deemed outstanding for such purpose shall be
      equal to the principal face amount of such Indexed Security at original
      issuance, unless otherwise provided with respect to such Indexed Security
      pursuant to Section 301, and (iv) 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
      making such calculation or in relying upon any such request, demand,
      authorization, direction, notice, consent or waiver, only Securities which
      a Responsible Officer of the Trustee knows to be so owned shall be so
      disregarded. Securities so owned which have been pledged in good faith may
      be regarded as Outstanding if the pledgee establishes to the satisfaction
      of the Trustee the pledgee's right so to act with respect to such
      Securities and that the pledgee is not the Company or any other obligor
      upon the Securities or any Affiliate of the Company or of such other
      obligor.

      "Paying Agent" means any Person authorized by the Company to pay the
principal of (and premium or Make-Whole Amount, if any) or interest on any
Securities, or coupons on behalf of the Company, or if no such Person is
authorized, the Company.

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

      "Place of Payment" means, when used with respect to the Securities of or
within any series, the place or places where the principal of (and premium or
Make-

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Whole Amount, if any) and interest on such Securities are payable as specified
as contemplated by Sections 301 and 1002.

      "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 or a Security to which a
mutilated, destroyed, lost or stolen coupon appertains shall be deemed to
evidence the same debt as the mutilated, destroyed, lost or stolen Security or
the Security to which the mutilated, destroyed, lost or stolen coupon
appertains.

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

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

      "Registered Security" means any Security which is registered in the
Security Register.

      "Regular Record Date" for the installment of interest payable on any
Interest Payment Date on the Registered Securities of or within any series means
the date specified for that purpose as contemplated by Section 301, whether or
not a Business Day.

      "Repayment Date" means, when used with respect to any Security to be
repaid or repurchased at the option of the Holder, the date fixed for such
repayment or repurchase by or pursuant to this Indenture.

      "Repayment Price" means, when used with respect to any Security to be
repaid or purchased at the option of the Holder, the price at which it is to be
repaid or repurchased by or pursuant to this Indenture.

      "Representative" means the indenture trustee or other trustee, agent or
representative for an issue of Senior Debt.

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

      "Securities Act" means the Securities Act of 1933, as amended, and the
rules and regulations promulgated thereunder by the Commission.

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      "Security" has the meaning stated in the first recital of this Indenture
and, more particularly, means any Security or Securities authenticated and
delivered under this Indenture; provided, however, that, if at any time there is
more than one Person acting as Trustee under this Indenture, "Securities" with
respect to the Indenture as to which such Person is Trustee shall have the
meaning stated in the first recital of this Indenture and shall more
particularly mean Securities authenticated and delivered under this Indenture,
exclusive, however, of Securities of or within any series as to which such
Person is not Trustee.

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

      "Senior Debt" means the principal of and interest on, or substantially
similar payments to be made by the Company in respect of, the following, whether
outstanding at the date of execution of this Indenture or thereafter incurred,
created or assumed: (a) indebtedness of the Company for money borrowed or
represented by purchase-money obligations, (b) indebtedness of the Company
evidenced by notes, debentures, or bonds, or other securities issued under the
provisions of an indenture, fiscal agency agreement or other instrument, (c)
obligations of the Company as lessee under leases of property either made as
part of any sale and lease-back transaction to which the Company is a party or
otherwise, (d) indebtedness of partnerships and joint ventures which is included
in the Company's consolidated financial statements, (e) indebtedness,
obligations and liabilities of others in respect of which the Company is liable
contingently or otherwise to pay or advance money or property or as guarantor,
endorser or otherwise or which the Company has agreed to purchase or otherwise
acquire, and (f) any binding commitment of the Company to fund any real estate
investment or to fund any investment in any entity making such real estate
investment; but excluding, however, (1) any such indebtedness, obligation or
liability referred to in clauses (a) through (f) above as to which, in the
instrument creating or evidencing the same or pursuant to which the same is
outstanding, it is provided that such indebtedness, obligation or liability is
not superior in right of payment to the Securities, or ranks pari passu with the
Securities, (2) any such indebtedness, obligation or liability which is
subordinated to indebtedness of the Company to substantially the same extent as
or to a greater extent than the Securities are subordinated and (3) the
Securities. As used in the preceding sentence the term "purchase-money
obligations" shall mean indebtedness or obligations evidenced by a note,
debenture, bond or other instrument (whether or not secured by any lien or other
security interest but excluding indebtedness or obligations for which recourse
is limited to the property purchased) issued or assumed as all or a part of the
consideration for the acquisition of property, whether by purchase, merger,
consolidation or otherwise, but shall not include any trade accounts payable. A
distribution may consist of cash, securities or other property.

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      "Significant Subsidiary" means any Subsidiary which is a "significant
subsidiary"(within the meaning of Regulation S-X, promulgated under the
Securities Act) of the Company.

      "Special Record Date" for the payment of any Defaulted Interest on the
Registered Securities of or within any series means a date fixed by the Trustee
pursuant to Section 307.

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

      "Subsidiary" means, with respect to any Person, any corporation or other
entity of which a majority of (a) the voting power of the voting equity
securities or (b) the outstanding equity interests of which are owned, directly
or indirectly, by such Person. For the purposes of this definition, "voting
equity securities" means equity securities having voting power for the election
of directors, whether at all times or only so long as no senior class of
security has such voting power by reason of any contingency.

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

      "Trustee" means the Person named as the "Trustee" in the first paragraph
of this Indenture 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; provided, however, that
if at any time there is more than one such Person, "Trustee" as used with
respect to the Securities of or within any series shall mean only the Trustee
with respect to the Securities of that series.

      "United States" means, unless otherwise specified with respect to any
Securities pursuant to Section 301, the United States of America (including the
states and the District of Columbia), its territories, its possessions and other
areas subject to its jurisdiction.

      "United States person" means, unless otherwise specified with respect to
any Securities pursuant to Section 301, an individual who is a citizen or
resident of the United States, a corporation, partnership or other entity
created or organized in or under the laws of the United States of or any state
or the District of Columbia or an estate or trust the income of which is subject
to United States federal income taxation regardless of its source.

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      "Yield to Maturity" means the yield to maturity, computed at the time of
issuance of a Security (or, if applicable, at the most recent predetermination
of interest on such Security) and as set forth in such Security in accordance
with generally accepted United States bond yield computation principles.

      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 (including covenants, compliance with which
constitute conditions precedent) 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 (excluding certificates delivered
pursuant to Section 1010) shall include:

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

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

            (3) a statement that, in the opinion of each such 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 condition or covenant 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 as to some matters and one or more
other such Persons as to other

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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 an Opinion of Counsel, or a
certificate or representations by counsel, unless such officer knows, or in the
exercise of reasonable care should know, that the opinion, certificate or
representations with respect to the matters upon which his certificate or
opinion is based are erroneous. Any such Opinion of Counsel or certificate or
representations 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 as to such factual matters is in the
possession of the Company, unless such counsel knows that the certificate or
opinion or representations as 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 taken by Holders of
the Outstanding Securities of all series or one or more series, as the case may
be, may be embodied in and evidenced by one or more instruments of substantially
similar tenor signed by such Holders in person or by agents duly appointed in
writing. If Securities of a series are issuable as Bearer Securities, any
request, demand, authorization, direction, notice, consent, waiver or other
action provided by this Indenture to be given or taken by Holders of Securities
of such series may, alternatively, be embodied in and evidenced by the record of
Holders of Securities of such series voting in favor thereof, whether in person
or by proxies duly appointed in writing, at any meeting of Holders of Securities
of such series duly called and held in accordance with the provisions of Article
Fifteen, or a combination of such instruments and any such record. Except as
herein otherwise expressly provided, such action shall become effective when
such instrument or instruments or record or both are delivered to the Trustee
and, where it is hereby expressly required, to the Company. Such instrument or
instruments and any such record (and the action embodied therein and evidenced
thereby) are herein sometimes referred to as the "Act" of the Holders signing
such instrument or instruments or so voting at any such meeting. Proof of
execution of any such instrument or of a writing appointing any such agent, or
of the holding by any Person of a Security, shall be sufficient for any purpose
of this Indenture and conclusive in favor of the Trustee and the Company and any
agent of the Trustee or the Company, if made in the manner provided in this
Section. The record of any meeting of Holders of Securities shall be proved in
the manner provided in Section 1506.

                                       13
<PAGE>

      (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 acknowledgments of deeds, certifying that the individual signing
such instrument or writing acknowledged to him the execution thereof. Where such
execution is by a signer acting in a capacity other than his individual
capacity, such certificate or affidavit shall also constitute sufficient proof
of his authority. The fact and date of the execution of any such instrument or
writing, or the authority of the Person executing the same, may also be proved
in any other reasonable manner which the Trustee deems sufficient.

      (c) The ownership of Registered Securities shall be proved by the Security
Register or by a certificate of the Security Register.

      (d) The ownership of Bearer Securities may be proved by the production of
such Bearer Securities or by a certificate executed, as depository, by any trust
company, bank, banker or other depository, wherever situated, if such
certificate shall be deemed by the Trustee to be satisfactory, showing that at
the date therein mentioned such Person had on deposit with such depository, or
exhibited to it, the Bearer Securities therein described; or such facts may be
proved by the certificate or affidavit of the Person holding such Bearer
Securities, if such certificate or affidavit is deemed by the Trustee to be
satisfactory. The Trustee and the Company may assume that such ownership of any
Bearer Security continues until (1) another certificate or affidavit bearing a
later date issued in respect of the same Bearer Security is produced, or (2)
such Bearer Security is produced to the Trustee by some other Person, or (3)
such Bearer Security is surrendered in exchange for a Registered Security, or
(4) such Bearer Security is no longer Outstanding. The ownership of Bearer
Securities may also be proved in any other manner which the Trustee deems
sufficient.

      (e) If the Company shall solicit from the Holders of Registered Securities
any request, demand, authorization, direction, notice, consent, waiver or other
Act, the Company may, at its option, in or pursuant to a Board Resolution, fix
in advance a record date 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. Such record date shall be the
record date specified in or pursuant to such Board Resolution, which shall be a
date not earlier than the date 30 days prior to the first solicitation of
Holders generally in connection therewith and not later than the date such
solicitation is completed. If such a record date is fixed, such request, demand,
authorization, direction, notice, consent, waiver or other Act may be given
before or after such record date, but only the Holders of record at the close of
business on such record date shall be deemed to be Holders for the purposes of
determining whether Holders of the requisite proportion of Outstanding
Securities have authorized or agreed or consented to such

                                       14
<PAGE>

request, demand, authorization, direction, notice, consent, waiver or other Act,
and for that purpose the Outstanding Securities shall be computed as of such
record date; provided that no such authorization, agreement or consent by the
Holders on such record date shall be deemed effective unless it shall become
effective pursuant to the provisions of this Indenture not later than eleven
months after the record date.

      (f) 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, any Security
Registrar, any Paying Agent, any Authenticating Agent 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
Department, or

            (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 at the address
of its principal office specified in the first paragraph of this Indenture 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 of any event to Holders of
Registered Securities by the Company or the Trustee, such notice shall be
sufficiently given (unless otherwise herein expressly provided) if in writing
and (a) hand delivered, (b) sent by a recognized overnight air courier service
or (c) mailed, first-class postage prepaid, to each such 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 of Registered Securities is
given by mail, neither the failure to mail such notice, nor any defect in any
notice so mailed, to any particular Holder shall affect the sufficiency of such
notice with respect to other Holders of Registered Securities or the sufficiency
of any notice to Holders of Bearer Securities

                                       15
<PAGE>

given as provided herein. Any notice mailed to a Holder in the manner herein
prescribed shall be conclusively deemed to have been received by such Holder,
whether or not such Holder actually receives such notice.

      If by reason of the suspension of or irregularities in regular mail
service or by reason of any other cause it shall be impracticable to give such
notice by mail, then such notification to Holders of Registered Securities as
shall be made with the approval of the Trustee shall constitute a sufficient
notification to such Holders for every purpose hereunder.

      Except as otherwise expressly provided herein or otherwise specified with
respect to any Securities pursuant to Section 301, where this Indenture provides
for notice to Holders of Bearer Securities of any event, such notice shall be
sufficiently given if published in an Authorized Newspaper in The City of New
York and in such other city or cities as may be specified in such Securities,
and if the Securities of such series are listed on any stock exchange outside
the United States, in any place at which such Securities are listed on a
securities exchange to the extent that such securities exchange so requires, on
a Business Day, such publication to be not later than the latest date, and not
earlier than the earliest date, prescribed for the giving of such notice. Any
such notice shall be deemed to have been given on the date of such publication
or, if published more than once, on the date of the first such publication.

      If by reason of the suspension of publication of any Authorized Newspaper
or Authorized Newspapers or by reason of any other cause it shall be
impracticable to publish any notice to Holders of Bearer Securities as provided
above, then such notification to Holders of Bearer Securities as shall be given
with the approval of the Trustee shall constitute sufficient notice to such
Holders for every purpose hereunder. Neither the failure to give notice by
publication to any particular Holder of Bearer Securities as provided above, nor
any defect in any notice so published, shall affect the sufficiency of such
notice with respect to other Holders of Bearer Securities or the sufficiency of
any notice to Holders of Registered Securities given as provided herein.

      Any request, demand, authorization, direction, notice, consent or waiver
required or permitted under this Indenture shall be in the English language,
except that any published notice may be in an official language of the country
of publication.

      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.

                                       16
<PAGE>

      SECTION 107. 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 108. 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 109. Separability Clause.

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

      SECTION 110. Benefits of Indenture.

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

      SECTION 111. No Personal Liability.

      No recourse under or upon any obligation, covenant or agreement contained
in this Indenture, in any Security or coupon appertaining thereto, or because of
any indebtedness evidenced thereby, shall be had against any promoter, as such,
or against any past, present or future shareholder, officer or director, as
such, of the Company or of any successor, either directly or through the Company
or any successor, under any rule of law, statute or constitutional provision or
by the enforcement of any assessment or by any legal or equitable proceeding or
otherwise, all such liability being expressly waived and released by the
acceptance of the Securities by the Holders thereof and as part of the
consideration for the issue of the Securities.

      SECTION 112. Governing Law.

      This Indenture and the Securities and coupons shall be governed by and
construed in accordance with the laws of the State of New York. This Indenture
is subject to the provisions of the TIA that are required to be part of this
Indenture and shall, to the extent applicable, be governed by such provisions.
If any provision of this Indenture limits, qualifies or conflicts with the
duties imposed by TIA Section 318(c), the duties imposed by TIA Section 318(c)
shall control.

                                       17
<PAGE>

      SECTION 113. Legal Holidays.

      In any case where any Interest Payment Date, Redemption Date, Repayment
Date, sinking fund payment date, Stated Maturity or Maturity of any Security
shall not be a Business Day at any Place of Payment, then (notwithstanding any
other provision of this Indenture or any Security or coupon other than a
provision in the Securities of any series which specifically states that such
provision shall apply in lieu hereof), payment of interest or any Additional
Amounts or principal (and premium or Make-Whole Amount, 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, Redemption Date, Repayment Date or sinking fund
payment date, or at the Stated Maturity or Maturity, provided that no interest
shall accrue on the amount so payable for the period from and after such
Interest Payment Date, Redemption Date, Repayment Date, sinking fund payment
date, Stated Maturity or Maturity, as the case may be.

                                   ARTICLE TWO

                                SECURITIES FORMS

      SECTION 201. Forms of Securities.

      The Registered Securities, if any, of each series and the Bearer
Securities, if any, and related coupons of each series, shall be in
substantially the forms as shall be established in or pursuant to one or more
indentures supplemental hereto or Board Resolutions, shall have such appropriate
insertions, omissions, substitutions and other variations as are required or
permitted by this Indenture or any indenture supplemental hereto, and may have
such letters, numbers or other marks of identification or designation and such
legends or endorsements placed thereon as the Company may deem appropriate and
as are not inconsistent with the provisions of this Indenture, or as may be
required to comply with any law or with any rule or regulation made pursuant
thereto or with any rule or regulation of any stock exchange on which the
Securities may be listed, or to conform to usage.

      Unless otherwise specified as contemplated by Section 301, Bearer
Securities shall have interest coupons attached.

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

                                       18
<PAGE>

      SECTION 202. Form of Trustee's Certificate of Authentication.

      Subject to Section 611, the Trustee's certificate 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.

                                           _________________________, as Trustee

      By: _________________________________ Authorized Signatory

      SECTION 203. Securities Issuable in Global Form.

      If Securities of or within a series are issuable in global form, as
specified as contemplated by Section 301, then, notwithstanding clause (8) of
Section 301 and the provisions of Section 302, any such 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 of such series from time to time endorsed thereon and that the
aggregate amount of Outstanding Securities of such series represented thereby
may from time to time be increased or decreased to reflect exchanges. Any
endorsement of a Security in global form to reflect the amount, or any increase
or decrease in the amount, of Outstanding Securities represented thereby shall
be made by the Trustee in such manner and upon instructions given by such Person
or Persons as shall be specified therein or in the Company Order to be delivered
to the Trustee pursuant to Section 303 or 304. Subject to the provisions of
Section 303 and, if applicable, Section 304, the Trustee shall deliver and
redeliver any Security in permanent global form in the manner and upon
instructions given by the Person or Persons specified therein or in the
applicable Company Order. If a Company Order pursuant to Section 303 or 304 has
been, or simultaneously is, delivered, any instructions by the Company with
respect to endorsement or delivery or redelivery of a Security in global form
shall be in writing but 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 Security in global form if such Security was never
issued and sold by the Company and the Company delivers to the Trustee the
Security in global form together with written instructions (which need not
comply with Section 102 and need not be accompanied by an Opinion of Counsel)
with regard to the reduction in the principal amount of Securities represented
thereby, together with the written statement contemplated by the last sentence
of Section 303.

      Notwithstanding the provisions of Section 307, unless otherwise specified
as contemplated by Section 301, payment of principal of and any premium or
Make-

                                       19
<PAGE>

Whole Amount and interest on any Security in permanent global form shall be made
to the Person or Persons specified therein.

      Notwithstanding the provisions of Section 308 and except as provided in
the preceding paragraph, the Company, the Trustee and any agent of the Company
and the Trustee shall treat as the Holder of such principal amount of
Outstanding Securities represented by a permanent global Security (i) in the
case of a permanent global Security in registered form, the Holder of such
permanent global Security in registered form, or (ii) in the case of a permanent
global Security in bearer form, Euroclear or CEDEL.

                                  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. Prior to the issuance
of Securities of any series, there shall be established in or pursuant to the
authority granted by one or more Board Resolutions, or indentures supplemental
hereto, any or all of the following, as applicable (each of which, if so
provided, may be determined from time to time by the Company with respect to
unissued Securities of or within the series when issued from time to time):

            (1) the title of the Securities of or within the series (which shall
distinguish the Securities of such series from all other series of Securities);

            (2) any limit upon the aggregate principal amount of the Securities
of or within the series that 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 or within
the series pursuant to Section 304, 305, 306, 906, 1107 or 1305);

            (3) the date or dates, or the method by which such date or dates
will be determined, on which the principal of the Securities of or within the
series shall be payable and the amount of principal payable thereon;

            (4) the rate or rates (which may be fixed or variable) at which the
Securities of or within the series shall bear interest, if any, or the method by
which such rate or rates shall be determined, the date or dates from which such
interest shall accrue or the method by which such date or dates shall be
determined, the Interest Payment Dates on which such interest will be payable
and the Regular Record Date, if any, for the interest payable on any Registered
Security on any

                                       20
<PAGE>

Interest Payment Date, or the method by which such date shall be determined, and
the basis upon which interest shall be calculated if other than that of a
360-day year consisting of twelve 30-day months;

            (5) the place or places, if any, other than or in addition to the
Borough of Manhattan, The City of New York, where the principal of (and premium
or Make-Whole Amount, if any), interest, if any, on, and Additional Amounts, if
any, payable in respect of, Securities of or within the series shall be payable,
any Registered Securities of or within the series may be surrendered for
registration of transfer, exchange or conversion and notices or demands to or
upon the Company in respect of the Securities of or within the series and this
Indenture may be served;

            (6) the period or periods within which, the price or prices
(including the premium or Make-Whole Amount, if any) at which, the currency or
currencies, currency unit or units or composite currency or currencies in which
and other terms and conditions upon which Securities of or within the series may
be redeemed in whole or in part, at the option of the Company, if the Company is
to have the option;

            (7) the obligation, if any, of the Company to redeem, repay or
purchase Securities of or within the series pursuant to any sinking fund or
analogous provision or at the option of a Holder thereof, and the period or
periods within which or the date or dates on which, the price or prices at
which, the currency or currencies, currency unit or units or composite currency
or currencies in which, and other terms and conditions upon which Securities of
or within the series shall be redeemed, repaid or purchased, in whole or in
part, pursuant to such obligation;

            (8) if other than denominations of $1,000 and any integral multiple
thereof, the denominations in which any Registered Securities of or within the
series shall be issuable and, if other than the denomination of $5,000, the
denomination or denominations in which any Bearer Securities of or within the
series shall be issuable;

            (9) if other than the Trustee, the identity of each Security
Registrar and/or Paying Agent, or how they may be chosen from time to time;

            (10) if other than the principal amount thereof, the portion of the
principal amount of Securities of or within the series that shall be payable
upon declaration of acceleration of the maturity thereof pursuant to Section 502
or, if applicable, the portion of the principal amount of Securities of or
within the series that is convertible in accordance with the provisions of this
Indenture, or the method by which such portion shall be determined;

            (11) if other than Dollars, the Foreign Currency or Currencies in
which payment of the principal of (and premium or Make-Whole Amount, if any) or

                                       21
<PAGE>

interest or Additional Amounts, if any, on the Securities of or within the
series shall be payable or in which the Securities of or within the series shall
be denominated;

            (12) whether the amount of payments of principal of (and premium or
Make-Whole Amount, if any) or interest, if any, on the Securities of or within
the series may be determined with reference to an index, formula or other method
(which index, formula or method may be based, without limitation, on one or more
currencies, currency units, composite currencies, commodities, equity indices or
other indices), and the manner in which such amounts shall be determined;

            (13) whether the principal of (and premium or Make-Whole Amount, if
any) or interest or Additional Amounts, if any, on the Securities of or within
the series are to be payable, at the election of the Company or a Holder
thereof, in a currency or currencies, currency unit or units or composite
currency or currencies other than that in which such Securities are denominated
or stated to be payable, the period or periods within which, and the terms and
conditions upon which, such election may be made, and the time and manner of,
and identity of the exchange rate agent with responsibility for, determining the
exchange rate between the currency or currencies, currency unit or units or
composite currency or currencies in which such Securities are denominated or
stated to be payable and the currency or currencies, currency unit or units or
composite currency or currencies in which such Securities are to be so payable;

            (14) provisions, if any, granting special rights to the Holders of
Securities of or within the series upon the occurrence of such events as may be
specified;

            (15) any deletions from, modifications of or additions to the Events
of Default or covenants of the Company with respect to Securities of or within
the series, whether or not such Events of Default or covenants are consistent
with the Events of Default or covenants set forth herein;

            (16) whether Securities of or within the series are to be issuable
as Registered Securities, Bearer Securities (with or without coupons) or both,
any restrictions applicable to the offer, sale or delivery of Bearer Securities
and the terms upon which Bearer Securities of or within the series may be
exchanged for Registered Securities of or within the series and vice versa (if
permitted by applicable laws and regulations), whether any Securities of or
within the series are to be issuable initially in temporary global form and
whether any Securities of or within the series are to be issuable in permanent
global form (with or without coupons) and, if so, whether beneficial owners of
interests in any such permanent global Security may exchange such interests for
Securities of such series and of like tenor of any authorized form and
denomination and the circumstances under which any such exchanges may occur, if
other than in the manner provided in Section 305,

                                       22
<PAGE>

and, if Registered Securities of or within the series are to be issuable as a
global Security, the identity of the depository for such series;

            (17) the date as of which any Bearer Securities of or within the
series and any temporary global Security representing Outstanding Securities of
or within the series shall be dated if other than the date of original issuance
of the first Security of the series to be issued;

            (18) the Person to whom any interest on any Registered 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, the manner in which, or
the Person to whom, any interest on any Bearer Security of the series shall be
payable, if otherwise than upon presentation and surrender of the coupons
appertaining thereto as they severally mature, and the extent to which, or the
manner in which, any interest payable on a temporary global Security on an
Interest Payment Date will be paid if other than in the manner provided in
Section 304;

            (19) the applicability, if any, of Sections 1402 and/or 1403 to the
Securities of or within the series and any provisions in modification of, in
addition to or in lieu of any of the provisions of Article Fourteen;

            (20) if the Securities of such 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 other
documents or satisfaction of other conditions, then the form and/or terms of
such certificates, documents or conditions;

            (21) if the Securities of or within the series are to be issued upon
the exercise of debt warrants, the time, manner and place for such Securities to
be authenticated and delivered;

            (22) whether and under what circumstances the Company will pay
Additional Amounts as contemplated by Section 1011 on the Securities of or
within the series to any Holder who is not a United States person (including any
modification to the definition of such term) in respect of any tax, assessment
or governmental charge and, if so, whether the Company will have the option to
redeem such Securities rather than pay such Additional Amounts (and the terms of
any such option);

            (23) the obligation, if any, of the Company to permit the conversion
of the Securities of such series into shares of Capital Stock of the Company and
the terms and conditions upon which such conversion shall be effected
(including, without limitation, the initial conversion price or rate, the
conversion period, any

                                       23
<PAGE>

adjustment of the applicable conversion price or rate and any requirements
relative to the reservation of such shares for purposes of conversion);

            (24) if convertible, any applicable limitations on the ownership or
transferability of the Capital Stock into which such Securities are convertible;
and

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

      All Securities of any one series and the coupons appertaining to any
Bearer Securities of such series, if any, shall be substantially identical
except, in the case of Registered or Bearer Securities issued in global form, as
to denomination and except as may otherwise be provided in or pursuant to such
Board Resolution or in any such indenture supplemental hereto. All Securities of
any one series need not be issued at the same time and, unless otherwise
provided, a series may be reopened, without the consent of the Holders, for
issuances of additional Securities of such series.

      If any of the terms of the Securities of any series are established by
action taken pursuant to one or more Board Resolutions, a copy of an appropriate
record of such action(s) shall be certified by the Secretary or an Assistant
Secretary of the Company and delivered to the Trustee at or prior to the
delivery of the Company Order for authentication and delivery of such
Securities.

      SECTION 302. Denominations.

      The Securities of each series shall be issuable in such denominations as
shall be specified as contemplated by Section 301. With respect to Securities of
any series denominated in Dollars, in the absence of any such provisions with
respect to the Securities of any series, the Registered Securities of such
series, other than Registered Securities issued in global form (which may be of
any denomination), shall be issuable in denominations of $1,000 and any integral
multiple thereof and the Bearer Securities of such series other than Bearer
Securities issued in global form (which may be of any denomination), shall be
issuable in denominations of $5,000.

      SECTION 303. Execution, Authentication, Delivery and Dating.

      The Securities and any coupons appertaining thereto shall be executed on
behalf of the Company by its Chief Executive Officer, its President or a Vice
President, and attested by its Secretary or an Assistant Secretary. The
signature of any of these officers on the Securities and coupons may be manual
or facsimile signatures of the present or any future such authorized officer and
may be imprinted or otherwise reproduced on the Securities.

                                       24
<PAGE>

      Securities or coupons appertaining thereto 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
or coupons.

      At any time and from time to time after the execution and delivery of this
Indenture, the Company may deliver Securities of any series, together with any
coupon appertaining thereto, 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 connection with its original issuance, no Bearer Security shall be mailed or
otherwise delivered to any location in the United States; and provided further
that, unless otherwise specified with respect to any series of Securities
pursuant to Section 301, a Bearer Security may be delivered in connection with
its original issuance only if the Person entitled to receive such Bearer
Security shall have furnished a certificate to Euroclear or CEDEL, as the case
may be, in the form set forth in Exhibit A-1 to this Indenture or such other
certificate as may be specified with respect to any series of Securities
pursuant to Section 301, dated no earlier than 15 days prior to the earlier of
the date on which such Bearer Security is delivered and the date on which any
temporary Security first becomes exchangeable for such Bearer Security in
accordance with the terms of such temporary Security and this Indenture. Except
as permitted by Section 306, the Trustee shall not authenticate and deliver any
Bearer Security unless all appurtenant coupons for interest then matured have
been detached and canceled.

      If all of the Securities of any series are not to be issued at one time
and if the Board Resolution or supplemental indenture establishing such series
shall so permit, such Company Order may set forth procedures acceptable to the
Trustee for the issuance of such Securities and determining the terms of
particular Securities of such series, such as interest rate or formula, maturity
date, date of issuance and date from which interest shall accrue. In
authenticating such Securities, and accepting the additional responsibilities
under this Indenture in relation to such Securities, the Trustee shall be
entitled to receive, and (subject to TIA Section 315(a) through 315(d)) shall be
fully protected in relying upon:

            (i) an Opinion of Counsel complying with Section 102 and stating
that:

                  (a) the form or forms of such Securities and any coupons have
been, or will have been upon compliance with such procedures as may be specified
therein, established in conformity with the provisions of this Indenture;

                                       25
<PAGE>

                  (b) the terms of such Securities and any coupons have been, or
will have been upon compliance with such procedures as may be specified therein,
established in conformity with the provisions of this Indenture; and

                  (c) such Securities, together with any coupons appertaining
thereto, when completed pursuant to such procedures as may be specified therein,
and executed and delivered by the Company to the Trustee for authentication in
accordance with this Indenture, authenticated and delivered by the Trustee in
accordance with this Indenture and issued by the Company in the manner and
subject to any conditions specified in such Opinion of Counsel, will constitute
legal, valid and binding obligations of the Company, enforceable in accordance
with their terms, subject to applicable bankruptcy, insolvency, reorganization
and other similar laws of general applicability relating to or affecting the
enforcement of creditors' rights generally and to general equitable principles
and to such other matters as may be specified therein; and

            (ii) an Officers' Certificate complying with Section 102 and stating
that all conditions precedent provided for in this Indenture relating to the
issuance of such Securities have been, or will have been upon compliance with
such procedures as may be specified therein, complied with and that, to the best
of the knowledge of the signers of such certificate, no Event of Default with
respect to such Securities shall have occurred and be continuing.

      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, obligations or immunities under the Securities and this
Indenture or otherwise in a manner which is not reasonably acceptable to the
Trustee.

      Notwithstanding the provisions of Section 301 and of the preceding
paragraph, if all the Securities of any series are not to be issued at one time,
it shall not be necessary to deliver a Company Order, an Opinion of Counsel or
an Officers' Certificate otherwise required pursuant to the preceding paragraph
at the time of issuance of each Security of such series, but such order, opinion
and certificate, with appropriate modifications to cover such future issuances,
shall be delivered at or before the time of issuance of the first Security of
such series.

      Each Registered Security shall be dated the date of its authentication and
each Bearer Security shall be dated as of the date specified as contemplated by
Section 301.

      No Security or coupon appertaining thereto shall be entitled to any
benefit under this Indenture or be valid or obligatory for any purpose unless
there appears on such Security or the Security to which such coupon appertains a
certificate of authentication substantially in the form provided for herein duly
executed by the Trustee by manual signature of an authorized officer, and such
certificate upon any

                                       26
<PAGE>

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 together with a written statement (which
need not comply with Section 102 and need not be accompanied by an Opinion of
Counsel) stating that such Security has never been issued or sold by the
Company, 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.

      (a) 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, in registered form or, if authorized, in bearer form with one or
more coupons or without coupons, and with such appropriate insertions,
omissions, substitutions and other variations as the officers executing such
Securities may determine, as conclusively evidenced by their execution of such
Securities. In the case of Securities of any series, such temporary Securities
may be in global form.

      Except in the case of temporary Securities in global form (which shall be
exchanged in accordance with Section 304(b) or as otherwise provided in or
pursuant to a Board Resolution), 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
(accompanied by any non-matured coupons appertaining thereto), 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; provided, however, that no definitive Bearer Security shall be
delivered in exchange for a temporary Registered Security; and provided further
that a definitive Bearer Security shall be delivered in exchange for a temporary
Bearer Security only in compliance with the conditions set forth in Section 303.
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.

                                       27
<PAGE>

      (b) Unless otherwise provided as contemplated in Section 301, this Section
304(b) shall govern the exchange of temporary Securities issued in global form
other than through the facilities of DTC. If any such temporary Security is
issued in global form, then such temporary global Security shall, unless
otherwise provided therein, be delivered to the London office of a depository or
common depository (the "Common Depository"), for the benefit of Euroclear and
CEDEL.

      Without unnecessary delay but in any event not later than the date
specified in, or determined pursuant to the terms of, any such temporary global
Security (the "Exchange Date"), the Company shall deliver to the Trustee
definitive Securities, in an aggregate principal amount equal to the principal
amount of such temporary global Security, executed by the Company. On or after
the Exchange Date, such temporary global Security shall be surrendered by the
Common Depository to the Trustee, as the Company's agent for such purpose, to be
exchanged, in whole or from time to time in part, for definitive Securities
without charge, and the Trustee shall authenticate and deliver, in exchange for
each portion of such temporary global Security, an equal aggregate principal
amount of definitive Securities of or within the same series of authorized
denominations and of like tenor as the portion of such temporary global Security
to be exchanged. The definitive Securities to be delivered in exchange for any
such temporary global Security shall be in bearer form, registered form,
permanent global bearer form or permanent global registered form, or any
combination thereof, as specified as contemplated by Section 301, and, if any
combination thereof is so specified, as requested by the beneficial owner
thereof; provided, however, that, unless otherwise specified in such temporary
global Security, upon such presentation by the Common Depository, such temporary
global Security, if any, is accompanied by a certificate dated the Exchange Date
or a subsequent date and signed by Euroclear as to the portion of such temporary
global Security held for its account then to be exchanged and a certificate
dated the Exchange Date or a subsequent date and signed by CEDEL as to the
portion of such temporary global Security, if any, held for its account then to
be exchanged, each in the form set forth in Exhibit A-2 to this Indenture or in
such other form as may be established pursuant to Section 301; and provided
further that definitive Bearer Securities shall be delivered in exchange for a
portion of a temporary global Security only in compliance with the requirements
of Section 303.

      Unless otherwise specified in such temporary global Security, the interest
of a beneficial owner of Securities of a series in a temporary global Security
shall be exchanged for definitive Securities of the same series and of like
tenor following the Exchange Date when the account holder instructs Euroclear or
CEDEL, as the case may be, to request such exchange on his behalf and delivers
to Euroclear or CEDEL, as the case may be, a certificate in the form set forth
in Exhibit A-1 to this Indenture (or in such other form as may be established
pursuant to Section 301), dated no earlier than 15 days prior to the Exchange
Date, copies of which certificate shall be available from the offices of
Euroclear or CEDEL, the Trustee, any

                                       28
<PAGE>

Authenticating Agent appointed for such series of Securities and each Paying
Agent. Unless otherwise specified in such temporary global Security, any such
exchange shall be made free of charge to the beneficial owners of such temporary
global Security, except that a Person receiving definitive Securities must bear
the cost of insurance, postage, transportation and the like unless such Person
takes delivery of such definitive Securities in person at the offices of
Euroclear or CEDEL. Definitive Securities in bearer form to be delivered in
exchange for any portion of a temporary global Security shall be delivered only
outside the United States.

      Until exchanged in full as hereinabove provided, the temporary Securities
of any series shall in all respects be entitled to the same benefits under this
Indenture as definitive Securities of the same series and of like tenor
authenticated and delivered hereunder, except that, unless otherwise specified
as contemplated by Section 301, interest payable on a temporary global Security
on an Interest Payment Date for Securities of such series occurring prior to the
applicable Exchange Date shall be payable to Euroclear or CEDEL on such Interest
Payment Date upon delivery by Euroclear or CEDEL to the Trustee of a certificate
or certificates in the form set forth in Exhibit A-1 to this Indenture (or in
such other forms as may be established pursuant to Section 301), for credit
without further interest on or after such Interest Payment Date to the
respective accounts of Persons who are the beneficial owners of such temporary
global Security on such Interest Payment Date and who have each delivered to
Euroclear or CEDEL, as the case may be, a certificate dated no earlier than 15
days prior to the Interest Payment Date occurring prior to such Exchange Date in
the form set forth as Exhibit A-1 to this Indenture (or in such other forms as
may be established pursuant to Section 301). Notwithstanding anything to the
contrary herein contained, the certifications made pursuant to this paragraph
shall satisfy the certification requirements of the preceding two paragraphs of
this Section 304(b) and of the third paragraph of Section 303 of this Indenture
and the interests of the Persons who are the beneficial owners of the temporary
global Security with respect to which such certification was made will be
exchanged for definitive Securities of the same series and of like tenor on the
Exchange Date or the date of certification if such date occurs after the
Exchange Date, without further act or deed by such beneficial owners. Except as
otherwise provided in this paragraph, no payments of principal or interest owing
with respect to a beneficial interest in a temporary global Security will be
made unless and until such interest in such temporary global Security shall have
been exchanged for an interest in a definitive Security. Any interest so
received by Euroclear or CEDEL and not paid as herein provided shall be returned
to the Trustee prior to the expiration of two years after such Interest Payment
Date in order to be repaid to the Company.

                                       29
<PAGE>

      SECTION 305. Registration, Registration of Transfer and Exchange.

      The Company shall cause to be kept at the Corporate Trust Office of the
Trustee or in any office or agency of the Company in a Place of Payment a
register for each series of Securities (the registers maintained in such office
or in any such office or agency of the Company in a Place of Payment being
herein sometimes referred to collectively as the "Security Register") in which,
subject to such reasonable regulations as it may prescribe, the Company shall
provide for the registration of Registered Securities and of transfers of
Registered Securities. The Security Register shall be in written form or any
other form capable of being converted into written form within a reasonable
time. The Trustee, at its Corporate Trust Office, is hereby initially appointed
"Security Registrar" for the purpose of registering Registered Securities and
transfers of Registered Securities on such Security Register as herein provided.
In the event that the Trustee shall cease to be Security Registrar, it shall
have the right to examine the Security Register at all reasonable times and to
require that a copy of the Security Register in written form be delivered to it
from time to time as reasonably requested.

      Subject to the provisions of this Section 305, upon surrender for
registration of transfer of any Registered Security of any series at any office
or agency of the Company 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 Registered Securities
of the same series, of any authorized denominations and of a like aggregate
principal amount, bearing a number not contemporaneously outstanding, and
containing identical terms and provisions.

      Subject to the provisions of this Section 305, at the option of the
Holder, Registered Securities of any series may be exchanged for other
Registered Securities of the same series, of any authorized denomination or
denominations and of a like aggregate principal amount, containing identical
terms and provisions, upon surrender of the Registered Securities to be
exchanged at any such office or agency. Whenever any such Registered Securities
are so surrendered for exchange, the Company shall execute, and the Trustee
shall authenticate and deliver, the Registered Securities which the Holder
making the exchange is entitled to receive. Unless otherwise specified with
respect to any series of Securities as contemplated by Section 301, Bearer
Securities may not be issued in exchange for Registered Securities.

      If (but only if) permitted as contemplated by Section 301, at the option
of the Holder, Bearer Securities of any series may be exchanged for Registered
Securities of the same series of any authorized denominations and of a like
aggregate principal amount and tenor, upon surrender of the Bearer Securities to
be exchanged at any such office or agency, with all unmatured coupons and all
matured coupons in default thereto appertaining. If the Holder of a Bearer
Security is unable to

                                       30
<PAGE>

produce any such unmatured coupon or coupons or matured coupon or coupons in
default, any such permitted exchange may be effected if the Bearer Securities
are accompanied by payment in funds acceptable to the Company in an amount equal
to the face amount of such missing coupon or coupons, or the surrender of such
missing coupon or coupons may be waived by the Company and the Trustee if there
is furnished to them such security or indemnity as they may require to save each
of them and any Paying Agent harmless. If thereafter the Holder of such Security
shall surrender to any Paying Agent any such missing coupon in respect of which
such a payment shall have been made, such Holder shall be entitled to receive
the amount of such payment; provided, however, that, except as otherwise
provided in Section 1002, interest represented by coupons shall be payable only
upon presentation and surrender of those coupons at an office or agency located
outside the United States. Notwithstanding the foregoing, in case a Bearer
Security of any series is surrendered at any such office or agency in a
permitted exchange for a Registered Security of the same series and like tenor
after the close of business at such office or agency on (i) any Regular Record
Date and before the opening of business at such office or agency on the relevant
Interest Payment Date, or (ii) any Special Record Date and before the opening of
business at such office or agency on the related proposed date for payment of
Defaulted Interest, such Bearer Security shall be surrendered without the coupon
relating to such Interest Payment Date or proposed date for payment, as the case
may be, and interest or Defaulted Interest, as the case may be, will not be
payable on such Interest Payment Date or proposed date for payment, as the case
may be, in respect of the Registered Security issued in exchange for such Bearer
Security, but will be payable only to the Holder of such coupon when due in
accordance with the provisions of this Indenture. 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.

      Notwithstanding the foregoing, except as otherwise specified as
contemplated by Section 301, any permanent global Security shall be exchangeable
only as provided in this paragraph. If the depository for any permanent global
Security is DTC, then, unless the terms of such global Security expressly permit
such global Security to be exchanged in whole or in part for definitive
Securities, a global Security may be transferred, in whole but not in part, only
to a nominee of DTC, or by a nominee of DTC to DTC, or to a successor to DTC for
such global Security selected or approved by the Company or to a nominee of such
successor to DTC. If at any time DTC notifies the Company that it is unwilling
or unable to continue as depository for the applicable global Security or
Securities or if at any time DTC ceases to be a clearing agency registered under
the Exchange Act if so required by applicable law or regulation, the Company
shall appoint a successor depository with respect to such global Security or
Securities. If (x) a successor depository for such global Security or Securities
is not appointed by the Company within 90 days after the Company receives such
notice or becomes aware of such unwillingness, inability

                                       31
<PAGE>

or ineligibility, (y) an Event of Default has occurred and is continuing and the
beneficial owners representing a majority in principal amount of the applicable
series of Securities represented by such global Security or Securities advise
DTC to cease acting as depository for such global Security or Securities or (z)
the Company, in its sole discretion, determines at any time that all Outstanding
Securities (but not less than all) of any series issued or issuable in the form
of one or more global Securities shall no longer be represented by such global
Security or Securities (provided, however, the Company may not make such
determination during the 40-day restricted period provided by Regulation S under
the Securities Act or during any other similar period during which the
Securities must be held in global form as may be required by the Securities
Act), then the Company shall execute, and the Trustee shall authenticate and
deliver definitive Securities of like series, rank, tenor and terms in
definitive form in an aggregate principal amount equal to the principal amount
of such global Security or Securities. If any beneficial owner of an interest in
a permanent global Security is otherwise entitled to exchange such an interest
for Securities of such series and of like tenor and principal amount of another
authorized form and denomination, as specified as contemplated by Section 301
and provided that any applicable notice provided in the permanent global
Security shall have been given, then without unnecessary delay but in any event
not later than the earliest date on which such interest may be so exchanged, the
Company shall execute, and the Trustee shall authenticate and deliver definitive
Securities in aggregate principal amount equal to the principal amount of such
beneficial owner's interest in such permanent global Security. On or after the
earliest date on which such interests may be so exchanged, such permanent global
Security shall be surrendered for exchange by DTC or such other depository as
shall be specified in the Company Order with respect thereto to the Trustee, as
the Company's agent for such purpose; provided, however, that no such exchanges
may occur during a period beginning at the opening of business 15 days before
any selection of Securities to be redeemed and ending on the relevant Redemption
Date if the Security for which exchange is requested may be among those selected
for redemption; and provided further that no Bearer Security delivered in
exchange for a portion of a permanent global Security shall be mailed or
otherwise delivered to any location in the United States. If a Registered
Security is issued in exchange for any portion of a permanent global Security
after the close of business at the office or agency where such exchange occurs
on (i) any Regular Record Date and before the opening of business at such office
or agency on the relevant Interest Payment Date, or (ii) any Special Record Date
and before the opening of business at such office or agency on the related
proposed date for payment of Defaulted Interest, interest or Defaulted Interest,
as the case may be, will not be payable on such Interest Payment Date or
proposed date for payment, as the case may be, in respect of such Registered
Security, but will be payable on such Interest Payment Date or proposed date for
payment, as the case may be, only to the Person to whom interest in respect of
such portion of such permanent global Security is payable in accordance with the
provisions of this Indenture.

                                       32
<PAGE>

      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 Registered Security presented or surrendered for registration of
transfer or for exchange or redemption shall (if so required by the Company or
the Security Registrar) be duly endorsed, or be accompanied by a written
instrument of transfer in form satisfactory to 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 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 or the Trustee, as applicable, shall not be required (i) to
issue, register the transfer of or exchange any Security if such Security may be
among those selected for redemption during a period beginning at the opening of
business 15 days before selection of the Securities to be redeemed under Section
1103 and ending at the close of business on (A) if such Securities are issuable
only as Registered Securities, the day of the mailing of the relevant notice of
redemption and (B) if such Securities are issuable as Bearer Securities, the day
of the first publication of the relevant notice of redemption or, if such
Securities are also issuable as Registered Securities and there is no
publication, the mailing of the relevant notice of redemption, or (ii) to
register the transfer of or exchange any Registered Security so selected for
redemption in whole or in part, except, in the case of any Registered Security
to be redeemed in part, the portion thereof not to be redeemed, or (iii) to
exchange any Bearer Security so selected for redemption except that such a
Bearer Security may be exchanged for a Registered Security of that series and
like tenor, provided that such Registered Security shall be simultaneously
surrendered for redemption, or (iv) to issue or to register the transfer or
exchange of any Security which has been surrendered for repayment at the option
of the Holder, except the portion, if any, of such Security not to be so repaid.

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

      If any mutilated Security or a Security with a mutilated coupon
appertaining to it is surrendered to the Trustee or the Company, together with,
in proper cases, such security or indemnity as may be required by the Company or
the Trustee to save each of them or any agent of either of them harmless, the
Company shall execute and the Trustee shall authenticate and deliver in exchange
therefor a new Security of the same series and principal amount, containing
identical terms and

                                       33
<PAGE>

provisions and bearing a number not contemporaneously outstanding, with coupons
corresponding to the coupons, if any, appertaining to the surrendered Security.

      If there shall be delivered to the Company and to the Trustee (i) evidence
to their satisfaction of the destruction, loss or theft of any Security or
coupon, 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
actual notice to the Company or the Trustee that such Security or coupon 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 or in exchange for the Security to which a
destroyed, lost or stolen coupon appertains (with all appurtenant coupons not
destroyed, lost or stolen), a new Security of the same series and principal
amount, containing identical terms and provisions and bearing a number not
contemporaneously outstanding, with coupons corresponding to the coupons, if
any, appertaining to such destroyed, lost or stolen Security or to the Security
to which such destroyed, lost or stolen coupon appertains.

      Notwithstanding the provisions of the previous two paragraphs, in case any
such mutilated, destroyed, lost or stolen Security or coupon has become or is
about to become due and payable, the Company in its discretion may, instead of
issuing a new Security, with coupons corresponding to the coupons, if any,
appertaining to such destroyed, lost or stolen Security or to the Security to
which such destroyed, lost or stolen coupon appertains, pay such Security or
coupon; provided, however, that payment of principal of (and premium or
Make-Whole Amount, if any), any interest on and any Additional Amounts with
respect to, Bearer Securities shall, except as otherwise provided in Section
1002, be payable only at an office or agency located outside the United States
and, unless otherwise specified as contemplated by Section 301, any interest on
Bearer Securities shall be payable only upon presentation and surrender of the
coupons appertaining thereto.

      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.

      Every new Security of any series with its coupons, if any, issued pursuant
to this Section in lieu of any destroyed, lost or stolen Security, or in
exchange for a Security to which a destroyed, lost or stolen coupon appertains,
shall constitute an original additional contractual obligation of the Company,
whether or not the destroyed, lost or stolen Security and its coupons, if any,
or the destroyed, lost or stolen coupon 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 and their
coupons, if any, duly issued hereunder.

                                       34
<PAGE>

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

      SECTION 307. Payment of Interest; Interest Rights Preserved.

      Except as otherwise specified with respect to a series of Securities in
accordance with the provisions of Section 301, interest on any Registered
Security that 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 at the office or agency of the
Company maintained for such purpose pursuant to Section 1002; provided, however,
that each installment of interest on any Registered Security may at the
Company's option be paid by (i) mailing a check for such interest, payable to or
upon the written order of the Person entitled thereto pursuant to Section 308,
to the address of such Person as it appears on the Security Register or (ii)
transfer to an account maintained by the payee located inside the United States.

      Unless otherwise provided as contemplated by Section 301 with respect to
the Securities of any series, payment of interest may be made, in the case of a
Bearer Security, by transfer to an account maintained by the payee with a bank
located outside the United States.

      Unless otherwise provided as contemplated by Section 301, every permanent
global Security will provide that interest, if any, payable on any Interest
Payment Date will be paid to DTC, Euroclear and/or CEDEL, as the case may be,
with respect to that portion of such permanent global Security held for its
account by Cede & Co., Euroclear or CEDEL, as the case may be, for the purpose
of permitting such party to credit the interest received by it in respect of
such permanent global Security to the accounts of the beneficial owners thereof.

      In case a Bearer Security of any series is surrendered in exchange for a
Registered Security of such series after the close of business (at an office or
agency in a Place of Payment for such series) on any Regular Record Date and
before the opening of business (at such office or agency) on the next succeeding
Interest Payment Date, such Bearer Security shall be surrendered without the
coupon relating to such Interest Payment Date and interest will not be payable
on such Interest Payment Date in respect of the Registered Security issued in
exchange for such Bearer Security, but will be payable only to the Holder of
such coupon when due in accordance with the provisions of this Indenture.

      Except as otherwise specified with respect to a series of Securities in
accordance with the provisions of Section 301, any interest on any Registered
Security of any series that is payable, but is not punctually paid or duly
provided

                                       35
<PAGE>

for, on any Interest Payment Date (herein called "Defaulted Interest") shall
forthwith cease to be payable to the registered Holder thereof 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 Registered 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 Registered
Security of such series and the date of the proposed payment (which shall not be
less than 20 days after such notice is received by the Trustee), and at the same
time the Company shall deposit with the Trustee an amount of money in the
currency or currencies, currency unit or units or composite currency or
currencies in which the Securities of such series are payable (except as
otherwise specified pursuant to Section 301 for the Securities of such series)
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
on or 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 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 Registered
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. The Trustee may, in its
discretion, in the name and at the expense of the Company, cause a similar
notice to be published at least once in an Authorized Newspaper in each place of
payment, but such publications shall not be a condition precedent to the
establishment of such Special Record Date. Notice of the proposed payment of
such Defaulted Interest and the Special Record Date therefor having been mailed
as aforesaid, such Defaulted Interest shall be paid to the Persons in whose
names the Registered 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). In case a
Bearer Security of any series is surrendered at the office or agency in a Place
of Payment for such series in exchange for a Registered Security of such series
after the close of business at such office or agency on any Special Record Date
and before the opening of business at such office or agency on the related
proposed

                                       36
<PAGE>

date for payment of Defaulted Interest, such Bearer Security shall be
surrendered without the coupon relating to such proposed date of payment and
Defaulted Interest will not be payable on such proposed date of payment in
respect of the Registered Security issued in exchange for such Bearer Security,
but will be payable only to the Holder of such coupon when due in accordance
with the provisions of this Indenture.

            (2) The Company may make payment of any Defaulted Interest on the
Registered 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 and Section 305, 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 Registered 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 Registered Security is registered as the
owner of such Security for the purpose of receiving payment of principal of (and
premium or Make-Whole Amount, if any), and (subject to Sections 305 and 307)
interest on, such Registered Security and for all other purposes whatsoever,
whether or not such Registered 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.

      Title to any Bearer Security and any coupons appertaining thereto shall
pass by delivery. The Company, the Trustee and any agent of the Company or the
Trustee may treat the Holder of any Bearer Security and the Holder of any coupon
as the absolute owner of such Security or coupon for the purpose of receiving
payment thereof or on account thereof and for all other purposes whatsoever
whether or not such Security or coupon 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.

      None of the Company, the Trustee, any Paying Agent or the Security
Registrar 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 Security in global form or for maintaining, supervising or
reviewing any records relating to such beneficial ownership interests.

                                       37
<PAGE>

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

      SECTION 309. Cancellation.

      All Securities and coupons surrendered for payment, redemption, repayment
at the option of the Holder, 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 any such Securities and coupons
and Securities and coupons surrendered directly to the Trustee for any such
purpose 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. If the Company shall so
acquire any of the Securities, however, such acquisition shall not operate as a
redemption or satisfaction of the indebtedness represented by such Securities
unless and until the same are surrendered to the Trustee for cancellation. 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. Cancelled Securities and coupons held by the Trustee shall be
destroyed by the Trustee and the Trustee shall deliver a certificate of such
destruction to the Company, unless by a Company Order the Company directs their
return to it.

      SECTION 310. Computation of Interest.

      Except as otherwise specified as contemplated by Section 301 with respect
to Securities of any series, interest on the Securities of each series shall be
computed on the basis of a 360-day year consisting of twelve 30-day months.

                                  ARTICLE FOUR

                           SATISFACTION AND DISCHARGE

      SECTION 401. Satisfaction and Discharge of Indenture.

      This Indenture shall upon Company Request cease to be of further effect
with respect to any series of Securities specified in such Company Request
(except as to

                                       38
<PAGE>

any surviving rights of registration of transfer or exchange of Securities of
such series herein expressly provided for and any right to receive Additional
Amounts, as provided in Section 1011), and the Trustee, upon receipt of a
Company Order, and at the expense of the Company, shall execute proper
instruments acknowledging satisfaction and discharge of this Indenture as to
such series when

      (1) either

            (A) all Securities of such series theretofore authenticated and
      delivered and all coupons, if any, appertaining thereto (other than (i)
      coupons appertaining to Bearer Securities surrendered for exchange for
      Registered Securities and maturing after such exchange, whose surrender is
      not required or has been waived as provided in Section 305, (ii)
      Securities and coupons of such series which have been destroyed, lost or
      stolen and which have been replaced or paid as provided in Section 306,
      (iii) coupons appertaining to Securities called for redemption and
      maturing after the relevant Redemption Date, whose surrender has been
      waived as provided in Section 1106, and (iv) Securities and coupons of
      such series 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 Securities of such series and, in the case of (i) or (ii)
      below, any coupons appertaining thereto 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) if redeemable at the option of the Company, 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 irrevocably
deposited or caused to be deposited with the Trustee as trust funds in trust for
the purpose an amount in the currency or currencies, currency unit or units or
composite currency or currencies in which the Securities of such series are
payable, sufficient to pay and discharge the entire indebtedness on such
Securities and such coupons not theretofore delivered to the Trustee for
cancellation, for principal (and premium or Make-Whole Amount, if any) and
interest, and any Additional Amounts with respect thereto, to the date of such
deposit (in the case of Securities which

                                       39
<PAGE>

have become due and payable)or 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 as to
such series have been complied with.

      Notwithstanding the satisfaction and discharge of this Indenture, the
obligations of the Company to the Trustee and any predecessor Trustee under
Section 606, the obligations of the Company to any Authenticating Agent under
Section 611 and, if money shall have been deposited with and held by the Trustee
pursuant to subclause (B) of clause (1) of this Section, the obligations of the
Trustee under Section 402 and the last paragraph of Section 1003, shall survive.

      In the event that there are Securities of two or more series outstanding
hereunder, the Trustee shall be required to execute an instrument acknowledging
satisfaction and discharge of this Indenture only if requested to do so with
respect to Securities of a particular series as to which it is Trustee and if
the other conditions thereto are met.

      SECTION 402. Application of Trust Funds.

      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, the coupons
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 or
Make-Whole Amount, if any), and any interest and Additional Amounts for whose
payment such money has been deposited with or received by the Trustee, but such
money need not be segregated from other funds except to the extent required by
law.

                                  ARTICLE FIVE

                                    REMEDIES

                                       40
<PAGE>

      SECTION 501. Events of Default.

      Subject to any modifications, additions or deletions relating to any
series of Securities as contemplated pursuant to Section 301, "Event of
Default," wherever used herein with respect to any particular series of
Securities, means any one of the following events (whatever the reason for such
Event of Default and whether or not 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 or any Additional
Amounts payable in respect of any Security of or within that series or of any
coupon appertaining thereto, when such interest, Additional Amounts or coupon
becomes due and payable, and continuance of such default for a period of 30
days; or

            (2) default in the payment of the principal of (or premium or
Make-Whole Amount, if any, on) any Security of that series when it becomes due
and payable at its Maturity; or

            (3) default in the deposit of any sinking fund payment, when and as
due by the terms of any Security of that series; or

            (4) default in the performance, or breach, of any covenant or
warranty of the Company in this Indenture with respect to any Security of that
series (other than a covenant or warranty a default in whose performance or
whose breach is elsewhere in this Section specifically dealt with), and
continuance of such default or breach for a period of 60 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 under any bond, debenture, note, mortgage, indenture or
instrument under which there may be issued or by which there may be secured or
evidenced any indebtedness for money borrowed by the Company (or by any
Subsidiary, the repayment of which the Company has guaranteed or for which the
Company is directly responsible or liable as obligor or guarantor), having an
aggregate principal amount outstanding of at least $10,000,000, whether such
indebtedness now exists or shall hereafter be created, which default shall have
resulted in such indebtedness being declared due and payable prior to the date
on which it would otherwise have become due and payable, without such
indebtedness having been discharged, or such acceleration having been rescinded
or annulled, within a period of 10 days after there shall have 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 10% in principal amount of the
Outstanding Securities of

                                       41
<PAGE>

that series a written notice specifying such default and requiring the Company
to cause such indebtedness to be discharged or cause such acceleration to be
rescinded or annulled and stating that such notice is a "Notice of Default"
hereunder; or

            (6) the entry by a court of competent jurisdiction of one or more
judgments, orders or decrees against the Company or any of its Subsidiaries in
an aggregate amount (excluding amounts covered by insurance) in excess of
$10,000,000 and such judgments, orders or decrees remain undischarged, unstayed
and unsatisfied in an aggregate amount (excluding amounts covered by insurance)
in excess of $10,000,000 for a period of 30 consecutive days; or

            (7) the Company or any Significant Subsidiary pursuant to or within
the meaning of any Bankruptcy Law:

                  (A) commences a voluntary case,

                  (B) consents to the entry of an order for relief against it in
an involuntary case,

                  (C) consents to the appointment of a Custodian of it or for
all or substantially all of its property, or

                  (D) makes a general assignment for the benefit of its
creditors; or

            (8) a court of competent jurisdiction enters an order or decree
under any Bankruptcy Law that:

                  (A) is for relief against the Company or any Significant
Subsidiary in an involuntary case,

                  (B) appoints a Custodian of the Company or any Significant
Subsidiary or for all or substantially all of either of its property, or

                  (C) orders the liquidation of the Company or any Significant
Subsidiary and the order or decree remains unstayed and in effect for 90 days;
or

            (9) any other Event of Default provided with respect to Securities
of that series.

      As used in this Section 501, the term "Bankruptcy Law" means Title 11,
U.S. Code or any similar Federal or state law for the relief of debtors and the
term "Custodian" means any receiver, trustee, assignee, liquidator or other
similar official under any Bankruptcy Law.

                                       42
<PAGE>

      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 and in every such case the
Trustee or the Holders of not less than a majority in principal amount of the
Outstanding Securities of that series may declare the principal (or, if any
Securities are Original Issue Discount Securities or Indexed Securities, such
portion of the principal as may be specified in the terms thereof) of, and the
Make-Whole Amount, if any, on, all 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 the Holders), and upon any such declaration such principal or
specified portion thereof shall become immediately due and payable.

      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 provided, the Holders of a majority in principal amount of the
Outstanding Securities of that series, by written notice to the 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 in the currency, currency unit or composite currency in which
the Securities of such series is payable (except as otherwise specified pursuant
to Section 301 for the Securities of such series):

                  (A) all overdue installments of interest on and any Additional
Amounts payable in respect of all Outstanding Securities of that series and any
related coupons;

                  (B) the principal of (and premium or Make-Whole Amount, if
any, on) any Outstanding Securities of that series which have become due
otherwise than by such declaration of acceleration and interest thereon at the
rate or rates borne by or provided for in such Securities;

                  (C) to the extent that payment of such interest is lawful,
interest upon overdue installments of interest and any Additional Amounts at the
rate or rates borne by or provided for 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 nonpayment of the principal of (or premium or Make-Whole Amount,

                                       43
<PAGE>

if any) or interest on 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 or
Additional Amounts, if any, on any Security of any series and any related coupon
when such interest or Additional Amount becomes due and payable and such default
continues for a period of 30 days, or

            (2) default is made in the payment of the principal of (or premium
or Make-Whole Amount, if any, on) any Security of any series at its Maturity,
then the Company will, upon demand of the Trustee, pay to the Trustee, for the
benefit of the Holders of such Securities of such series and coupons, the whole
amount then due and payable on such Securities and coupons for principal (and
premium or Make Whole Amount, if any) and interest and Additional Amounts, with
interest upon any overdue principal (and premium or Make-Whole Amount, if any)
and, to the extent that payment of such interest shall be legally enforceable,
upon any overdue installments of interest or Additional Amounts, if any, at the
rate or rates borne by or provided for 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, and may
prosecute such proceeding to judgment or final decree, and may enforce the same
against the Company or any other obligor upon such Securities of such series 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
of such series, 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 and any
related coupons by such appropriate judicial proceedings as the Trustee shall
deem most effectual to protect and enforce any such rights, whether for the
specific

                                       44
<PAGE>

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
of any series shall then be due and payable as therein expressed or by
declaration or otherwise and irrespective of whether the Trustee shall have made
any demand on the Company for the payment of overdue principal, premium or
Make-Whole Amount, if any, or interest) shall be entitled and empowered, by
intervention in such proceeding or otherwise:

            (i) to file proofs of claim for the whole amount, or such lesser
amount as may be provided for in the Securities of such series, of principal
(and premium or Make-Whole Amount, if any) and interest and Additional Amounts,
if any, 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 (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 of Securities of such series and coupons 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 to
it for the reasonable compensation, expenses, disbursements and advances of the
Trustee and any predecessor Trustee, their agents and counsel, and any other
amounts due the Trustee or any predecessor Trustee under Section 606.

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

                                       45
<PAGE>

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

      All rights of action and claims under this Indenture or any of the
Securities or coupons may be prosecuted and enforced by the Trustee without the
possession of any of the Securities or coupons 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 and
coupons 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 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 or
Make-Whole Amount, if any) or interest and any Additional Amounts, upon
presentation of the Securities or coupons, or both, as the case may be, and the
notation thereon of the payment if only partially paid and upon surrender
thereof if fully paid:

      FIRST: To the payment of all amounts due the Trustee and any predecessor
Trustee under Section 606;

      SECOND: To the payment of the amounts then due and unpaid upon the
Securities and coupons for principal (and premium or Make-Whole Amount, if any)
and interest and any Additional Amounts payable, in respect of which or for the
benefit of which such money has been collected, ratably, without preference or
priority of any kind, according to the aggregate amounts due and payable on such
Securities and coupons for principal (and premium or Make-Whole Amount, if any),
interest and Additional Amounts, respectively; and

      THIRD: To the payment of the remainder, if any, to the Company.

      SECTION 507. Limitation on Suits.

      No Holder of any Security of any series or any related coupon 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;

                                       46
<PAGE>

            (2) the Holders of not less than a majority 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 reasonable
indemnity 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; 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
           or Make-Whole Amount, if any, Interest and Additional Amounts.

      Notwithstanding any other provision in this Indenture, the Holder of any
Security or coupon shall have the right which is absolute and unconditional to
receive payment of the principal of (and premium or Make-Whole Amount, if any)
and (subject to Sections 305 and 307) interest on, and any Additional Amounts in
respect of, such Security or payment of such coupon on the respective due dates
expressed in such Security or coupon (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 or affected without the consent of such
Holder.

      SECTION 509. Restoration of Rights and Remedies.

      If the Trustee or any Holder of a Security or coupon has instituted any
proceeding to enforce any right or remedy under this Indenture and such
proceeding has been discontinued or abandoned for any reason, or has been
determined adversely to the Trustee or to such Holder, then and in every such
case the Company, the Trustee and the Holders of Securities and coupons shall,
subject to any determination in such proceeding, be restored severally and
respectively to their former positions hereunder and thereafter all rights and
remedies of the

                                       47
<PAGE>

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 or coupons in the last paragraph
of Section 306, no right or remedy herein conferred upon or reserved to the
Trustee or to the Holders of Securities or coupons is intended to be exclusive
of any other right or remedy, and every right and remedy shall, to the extent
permitted by law, be cumulative and in addition to every other right and remedy
given hereunder or now or hereafter existing at law or in equity or otherwise.
The assertion or employment of any right or remedy hereunder, or otherwise,
shall not prevent the concurrent assertion or employment of any other
appropriate right or remedy.

      SECTION 511. Delay or Omission Not Waiver.

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

      SECTION 512. Control by Holders of Securities.

      The Holders of not less than 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 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) the Trustee need not take any action which might involve it in
personal liability or be unduly prejudicial to the Holders of Securities of such
series not joining therein (but the Trustee shall have no obligation as to the
determination of such undue prejudice).

                                       48
<PAGE>

      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 and any related coupons waive any past default
hereunder with respect to such series and its consequences, except a default

            (1) in the payment of the principal of (or premium or Make-Whole
Amount, if any) or interest on or Additional Amounts payable in respect of any
Security of such series or any related coupons, or

            (2) 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.

      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 Event of Default or impair any right consequent thereon.

      SECTION 514. 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.

      SECTION 515. 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 or
omitted by it as Trustee, the filing by any party litigant in such suit of any
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 the provisions
of this Section shall not apply 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

                                       49
<PAGE>

Securities, or to any suit instituted by any Holder for the enforcement of the
payment of the principal of (or premium or Make-Whole Amount, if any) or
interest on or Additional Amounts payable with respect to any Security on or
after the respective Stated Maturities expressed in such Security (or in the
case of redemption, on or after the Redemption Date).

                                   ARTICLE SIX

                                   THE TRUSTEE

      SECTION 601. 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, in the manner and
to the extent provided in TIA Section 313(c), 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 or Make-Whole Amount, if any) or interest on or any
Additional Amounts with respect to any Security of such series, or in the
payment of any sinking fund installment with respect to the Securities of such
series, the Trustee shall be protected in withholding such notice if and so long
as Responsible Officers of the Trustee in good faith determine that the
withholding of such notice is in the interests of the Holders of the Securities
and coupons of such series; and provided, further, that in the case of any
default or breach of the character specified in Section 501(4) of this Indenture
with respect to the Securities and coupons 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 the Securities of such series.

      SECTION 602. Certain Rights of Trustee.

      Subject to the provisions of TIA Section 315(a) through 315(d):

            (1) the Trustee shall perform only such duties as are expressly
undertaken by it to perform under this Indenture;

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

                                       50
<PAGE>

            (3) any request or direction of the Company mentioned herein shall
be sufficiently evidenced by a Company Request or Company Order (other than
delivery of any Security, together with any coupons appertaining thereto, to the
Trustee for authentication and delivery pursuant to Section 303 which shall be
sufficiently evidenced as provided therein) and any resolution of the Board of
Directors may be sufficiently evidenced by a Board Resolution;

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

            (5) the Trustee may consult with counsel and as a condition to the
taking, suffering or omission of any action hereunder may demand an Opinion of
Counsel, 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;

            (6) 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 of Securities of any series or any related coupons pursuant
to this Indenture, unless such Holders shall have offered to the Trustee
reasonable security or indemnity against the costs, expenses and liabilities
which might be incurred by it in compliance with such request or direction;

            (7) 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, coupon 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;

            (8) 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

            (9) the Trustee shall not be liable for any action taken, suffered
or omitted by it in good faith and reasonably believed by it to be authorized or
within the discretion or rights or powers conferred upon it by this Indenture.
The Trustee shall not be required 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

                                       51
<PAGE>

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.

      SECTION 603. Not Responsible for Recitals or Issuance of Securities.

      The recitals contained herein and in the Securities, except the Trustee's
certificate of authentication, and in any coupons shall be taken as the
statements of the Company, and neither the Trustee nor any Authenticating Agent
assumes any responsibility for their correctness. The Trustee makes no
representations as to the validity or sufficiency of this Indenture or of the
Securities or coupons, except that the Trustee represents that it is duly
authorized to execute and deliver this Indenture, authenticate the Securities
and perform its obligations hereunder. Neither the Trustee nor any
Authenticating Agent shall be accountable for the use or application by the
Company of Securities or the proceeds thereof.

      SECTION 604. May Hold Securities.

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

      SECTION 605. Money Held in Trust.

      Money held by the Trustee in trust hereunder need not be segregated from
other funds except to the extent required by law. The Trustee shall be under no
liability for interest on, or investment of, any money received by it hereunder.

      SECTION 606. Compensation and Reimbursement.

      The Company agrees:

            (1) to pay to the Trustee from time to time reasonable compensation
for all services rendered by it hereunder, including extraordinary services
rendered in connection with or during the continuation of a default 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 each
of the Trustee and any predecessor Trustee upon its request for all reasonable
expenses, disbursements and advances incurred or made by it in accordance with
any provision of this Indenture (including the reasonable compensation and the
expenses and disbursements of its agents and counsel), except to the extent any

                                       52
<PAGE>

such expense, disbursement or advance may be attributable to its negligence or
bad faith; and

            (3) to indemnify each of the Trustee and any predecessor Trustee
for, and to hold it harmless against, any loss, liability or expense, arising
out of or in connection with the acceptance or administration of the trust or
trusts or the performance of its duties hereunder, including the costs and
expenses of defending itself against any claim or liability in connection with
the exercise or performance of any of its powers or duties hereunder except to
the extent any such loss, liability or expense may be attributable to its own
negligence or bad faith.

      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 (or premium or Make-Whole Amount, if
any) or interest on particular Securities or any coupons.

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

      SECTION 607. Corporate Trustee Required; Eligibility; Conflicting
Interests.

      There shall at all times be a corporate Trustee hereunder which shall be
eligible to act as Trustee under TIA Section 310(a) and shall have a combined
capital and surplus of at least $10,000,000 or shall be a subsidiary of a
corporation which shall be a Person that has a combined capital and surplus of
at least $10,000,000 and which unconditionally guarantees the obligations of the
Trustee hereunder. If such Trustee or Person publishes reports of condition at
least annually, pursuant to law or the requirements of a Federal, State,
Territorial or District of Columbia supervising or examining authority, then for
the purposes of this Section, the combined capital and surplus of such Trustee
or Person shall be deemed to be its combined capital and surplus as set forth in
its most recent report of condition so published. If at any time the 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.

      SECTION 608. 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 609.

      (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 an

                                       53
<PAGE>

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 resignation, the
resigning Trustee may petition any court of competent jurisdiction for the
appointment of a successor Trustee.

      (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 the provisions of TIA
Section 310(b) after written request therefor by the Company or by any Holder of
a Security 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 607 of this
Indenture and shall fail to resign after written request therefor by the Company
or by any Holder of a Security who has been a bona fide Holder of a Security for
at least six months, 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 or pursuant to a Board Resolution may
remove the Trustee and appoint a successor Trustee with respect to all
Securities, or (ii) subject to TIA Section 315(e), any Holder of a Security 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 authority granted by the Securities of one or more series, the Company,
by or pursuant to 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 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).
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

                                       54
<PAGE>

Trustee so appointed shall, forthwith upon its acceptance of such appointment,
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 of Securities and accepted
appointment in the manner hereinafter provided, any Holder of a Security 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 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 in the manner
provided for notices to the Holders of Securities in Section 106. 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 609. 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 shall execute,
acknowledge and deliver to the Company and to the retiring Trustee an instrument
accepting such appointment, and thereupon the resignation or removal of the
retiring Trustee shall become effective and such successor Trustee, without any
further act, deed or conveyance, shall become vested with all the rights,
powers, trusts and duties of the retiring Trustee; but, on request of the
Company or the successor Trustee, such retiring Trustee shall, upon payment of
its charges, execute and deliver an instrument transferring to such successor
Trustee all the rights, powers and trusts of the retiring Trustee, and shall
duly assign, transfer and deliver to such successor Trustee all property and
money held by such retiring Trustee hereunder, subject nevertheless to its
claim, if any, provided for in Section 606.

      (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,
pursuant to Article Nine hereof, 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

                                       55
<PAGE>

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 co-trustees of the same
trust and that each such Trustee shall be trustee of a trust or trusts hereunder
separate and apart from any trust or trusts hereunder administered by any other
such Trustee; 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 Securities 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.

      SECTION 610. 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 of 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 or coupons 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 or coupons so
authenticated with the same effect as if such successor Trustee had itself
authenticated such Securities or coupons. In case any Securities or coupons
shall not have been authenticated by such predecessor Trustee, any such
successor Trustee may authenticate and deliver such Securities or coupons, in
either its own name or that of its predecessor Trustee, with the full force and
effect which this Indenture provides for the certificate of authentication of
the Trustee.

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<PAGE>

      SECTION 611. 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 or repayment thereof, 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. Any such appointment shall be evidenced by an instrument in writing
signed by a Responsible Officer of the Trustee, a copy of which instrument shall
be promptly furnished to the Company. 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, except as may otherwise be provided pursuant to
Section 301, shall at all times be a bank or trust company or corporation
organized and doing business and in good standing under the laws of the United
States of America or of any State or the District of Columbia, authorized under
such laws to act as Authenticating Agent, having a combined capital and surplus
of not less than $25,000,000 and subject to supervision or examination by
Federal or State authorities. If such Authenticating Agent publishes reports of
condition at least annually, pursuant to law or the requirements of the
aforesaid 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. In case 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 the corporate agency or
corporate trust business of an 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 further act
on the part of the Trustee or the Authenticating Agent.

      An Authenticating Agent for any series of Securities may at any time
resign by giving written notice of resignation to the Trustee for such series
and to the Company. The Trustee for any series of Securities may at any time
terminate the agency of an Authenticating Agent by giving written notice of
termination to such

                                       57
<PAGE>

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 for such series may appoint a successor
Authenticating Agent which shall be acceptable to the Company and shall give
notice of such appointment to all Holders of Securities of or within the series
with respect to which such Authenticating Agent will serve in the manner set
forth in Section 106. 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 herein. 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 including reimbursement of its reasonable expenses for
its services under this Section.

      If an appointment with respect to one or more series is made pursuant to
this Section, the Securities of such series may have endorsed thereon, in
addition to or in lieu of the Trustee's certificate of authentication, an
alternate certificate of authentication substantially in the following form:

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

                                   ___________________________, as Trustee
                                   By:_____________________________________
                                         as Authenticating Agent

By:____________________________________
Authorized Officer

                                  ARTICLE SEVEN

                 HOLDERS' LISTS AND REPORTS BY TRUSTEE AND TRUST

      SECTION 701. Disclosure of Names and Addresses of Holders.

      Every Holder of Securities or coupons, by receiving and holding the same,
agrees with the Company and the Trustee that neither the Company nor the Trustee
nor any Authenticating Agent nor any Paying Agent nor any Security Registrar
shall be held accountable by reason of the disclosure of any information as to
the names and addresses of the Holders of Securities in accordance with TIA
Section 312, regardless of the source from which such information was derived,
and

                                       58
<PAGE>

that the Trustee shall not be held accountable by reason of mailing any material
pursuant to a request made under TIA Section 312(b).

      SECTION 702. Reports by Trustee.

      If required by TIA Section 313(a), within 60 days after ____________ of
each year commencing with the first ________ after the first issuance of
Securities pursuant to this Indenture, the Trustee shall transmit by mail to all
Holders of Securities as provided in TIA Section 313(c) a brief report dated as
of such date.

      SECTION 703. Reports by Company.

      The Company will:

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

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

            (3) transmit by mail to the Holders of Securities, within 30 days
after the filing thereof with the Trustee, in the manner and to the extent
provided in TIA Section 313(c), such summaries of any information, documents and
reports required to be filed by the Company pursuant to paragraphs (1) and (2)
of this Section as may be required by rules and regulations prescribed from time
to time by the Commission.

      SECTION 704. Company to Furnish Trustee Names and Addresses of Holders.

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

                                       59
<PAGE>

            (a) semi-annually, not later than 15 days after the Regular Record
Date for interest for each series of Securities, a list, in such form as the
Trustee may reasonably require, of the names and addresses of the Holders of
Registered Securities of such series as of such Regular Record Date, or if there
is no Regular Record Date for interest for such series of Securities,
semi-annually, upon such dates as are set forth in the Board Resolution or
indenture supplemental hereto authorizing such series, 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, so long as the Trustee is the
Security Registrar, no such lists shall be required to be furnished.

                                  ARTICLE EIGHT

                CONSOLIDATION, MERGER, SALE, LEASE OR CONVEYANCE

      SECTION 801. Consolidations and Mergers of Company and Sales, Leases and
            Conveyances Permitted Subject to Certain Conditions.

      The Company may consolidate with, or sell, lease or convey all or
substantially all of its assets to, or merge with or into any other Person,
provided that in any such case, (i) either the Company shall be the continuing
entity, or the successor entity (if other than the Company) shall be a Person
organized and existing under the laws of the United States or a State thereof
and such successor entity shall expressly assume the due and punctual payment of
the principal of (and premium or Make-Whole Amount, if any) and any interest
(including all Additional Amounts, if any, payable pursuant to Section 1011) on
all of the Securities, according to their tenor, and the due and punctual
performance and observance of all of the covenants and conditions of this
Indenture to be performed by the Company by supplemental indenture, complying
with Article Nine hereof, satisfactory to the Trustee, executed and delivered to
the Trustee by such Person and (ii) immediately after giving effect to such
transaction and treating any indebtedness which becomes an obligation of the
Company or any Subsidiary as a result thereof as having been incurred by the
Company or such Subsidiary at the time of such transaction, no Event of Default,
and no event which, after notice or the lapse of time, or both, would become an
Event of Default, shall have occurred and be continuing.

      SECTION 802. Rights and Duties of Successor Corporation.

      In case of any such consolidation, merger, sale, lease or conveyance and
upon any such assumption by the successor entity, such successor entity shall
succeed to and be substituted for the Company, with the same effect as if it had
been named

                                       60
<PAGE>

herein as the party of the first part, and the predecessor entity, except in the
event of a lease, shall be relieved of any further obligation under this
Indenture and the Securities. Such successor entity thereupon may cause to be
signed, and may issue either in its own name or in the name of the Company, any
or all of the Securities issuable hereunder which theretofore shall not have
been signed by the Company and delivered to the Trustee; and, upon the order of
such successor entity, instead of the Company, and subject to all the terms,
conditions and limitations in this Indenture prescribed, the Trustee shall
authenticate and shall deliver any Securities which previously shall have been
signed and delivered by the officers of the Company to the Trustee for
authentication, and any Securities which such successor entity thereafter shall
cause to be signed and delivered to the Trustee for that purpose. All the
Securities so issued shall in all respects have the same legal rank and benefit
under this Indenture as the Securities theretofore or thereafter issued in
accordance with the terms of this Indenture as though all of such Securities had
been issued at the date of the execution hereof.

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

      SECTION 803. Officers' Certificate and Opinion of Counsel.

      Any consolidation, merger, sale, lease or conveyance permitted under
Section 801 is also subject to the condition that the Trustee receive an
Officers' Certificate and an Opinion of Counsel to the effect that any such
consolidation, merger, sale, lease or conveyance, and the assumption by any
successor entity, complies with the provisions of this Article and that all
conditions precedent herein provided for relating to such transaction have been
complied with.

                                  ARTICLE NINE

                             SUPPLEMENTAL INDENTURES

      SECTION 901. Supplemental Indentures Without Consent of Holders

      Without the consent of any Holders of Securities or coupons, the Company,
when authorized by or pursuant to 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 Person to the Company and
the assumption by any such successor of the covenants of the Company herein and
in the Securities contained; or

                                       61
<PAGE>

            (2) to add to the covenants of the Company for the benefit of the
Holders of all or any series of Securities (and, if such covenants 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; or

            (3) to add any additional Events of Default for the benefit of the
Holders of all or any series of Securities (and if such Events of Default are to
be for the benefit of less than all series of Securities, stating that such
Events of Default are expressly being included solely for the benefit of such
series); provided, however, that in respect of any such additional Events of
Default 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
default or may limit the remedies available to the Trustee upon such default or
may limit the right of the Holders of a majority in aggregate principal amount
of that or those series of Securities to which such additional Events of Default
apply to waive such default; or

            (4) to add to or change any of the provisions of this Indenture to
provide that Bearer Securities may be registrable as to principal, to change or
eliminate any restrictions on the payment of principal of or any premium,
Make-Whole Amount or Interest on Bearer Securities, to permit Bearer Securities
to be issued in exchange for Registered Securities, to permit Bearer Securities
to be issued in exchange for Bearer Securities of other authorized denominations
or to permit or facilitate the issuance of Securities in uncertificated form,
provided that any such action shall not adversely affect the interests of the
Holders of Securities of any series or any related coupons in any material
respect; or

            (5) to add to, change or eliminate any of the provisions of this
Indenture in respect of one or more series of Securities, provided that any such
addition, change or elimination shall (i) not adversely affect the rights of the
Holders of any Security of any series created prior to the execution of such
supplemental indenture entitled to the benefit of such provision; or (ii) become
effective only when there is no such Security Outstanding; or

            (6) to secure the Securities; or

            (7) to establish the form or terms of Securities of any series and
any related coupons as permitted by Sections 201 and 301, including the
provisions and procedures relating to Securities convertible into Capital Stock;
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

                                       62
<PAGE>

necessary to provide for or facilitate the administration of the trusts
hereunder by more than one Trustee; or

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

            (10) to close this Indenture with respect to the authentication and
delivery of additional series of Securities or to qualify, or maintain
qualification of, this Indenture under the TIA; or

            (11) to supplement any of the provisions of this Indenture to such
extent as shall be necessary to permit or facilitate the defeasance and
discharge of any series of Securities pursuant to Sections 401, 1402 and 1403;
provided in each case that any such action shall not adversely affect the
interests of the Holders of Securities of such series and any related coupons or
any other series of Securities in any material respect.

      SECTION 902. Supplemental Indentures with Consent of Holders.

      With the consent of the Holders of not less than a majority in principal
amount of all Outstanding Securities affected by such supplemental indenture, by
Act of said Holders delivered to the Company and the Trustee, the Company, when
authorized by or pursuant to 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 and any related coupons 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 premium or
Make-Whole Amount, if any, on) or any installment of principal of or interest
on, any Security; or reduce the principal amount thereof or the rate or amount
of interest thereon or any Additional Amounts payable in respect thereof, or any
premium or Make-Whole Amount payable upon the redemption thereof, or change any
obligation of the Company to pay Additional Amounts pursuant to Section 1011
(except as otherwise contemplated or permitted under this Indenture), or reduce
the amount of the principal of an Original Issue Discount Security or Make-Whole
Amount, if any, that would be due and payable upon a declaration of acceleration
of the Maturity thereof pursuant to Section 502 or the amount thereof provable
in

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<PAGE>

bankruptcy pursuant to Section 504, or adversely affect any right of repayment
at the option of the Holder of any Security, or change any Place of Payment
where, or the currency or currencies, currency unit or units or composite
currency or currencies in which, the principal of any Security or any premium or
Make-Whole Amount or any Additional Amounts payable in respect thereof 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 or repayment at the option of the Holder, on or after the
Redemption Date or the Repayment Date, as the case may be); 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 with respect to such series (or compliance with certain provisions of
this Indenture or certain defaults hereunder and their consequences) provided
for in this Indenture, or reduce the requirements of Section 1504 for quorum or
voting; or

            (3) modify any of the provisions of this Section, Section 513 or
Section 1012, except to increase the required percentage to effect such action
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.

      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.

      A supplemental indenture which changes or eliminates any covenant or other
provision of this Indenture which has expressly been included 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.

      SECTION 903. Execution of Supplemental Indentures.

      In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modification thereby of
the trusts created by this Indenture, the Trustee shall be entitled to receive,
and shall be fully protected in relying upon, an Opinion of Counsel stating that
the execution of such supplemental indenture is authorized or permitted by this
Indenture and that all conditions precedent to the execution of such
supplemental indenture have been complied with. 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.

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<PAGE>

      SECTION 904. Effect of Supplemental Indentures.

      Upon the execution of any supplemental indenture under this Article, 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
and of any coupon appertaining thereto shall be bound thereby.

      SECTION 905. Conformity with Trust Indenture Act.

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

      SECTION 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 may bear a notation 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.

      SECTION 907. Notice of Supplemental Indentures.

      Promptly after the execution by the Company and the Trustee of any
supplemental indenture pursuant to the provisions of Section 902, the Company
shall give notice thereof to the Holders of each Outstanding Security affected,
in the manner provided for in Section 106, setting forth in general terms the
substance of such supplemental indenture.

                                   ARTICLE TEN

                                    COVENANTS

      SECTION 1001. Payment of Principal, Premium or Make-Whole Amount, if any,
            Interest and Additional Amounts.

      The Company covenants and agrees for the benefit of the Holders of each
series of Securities that it will duly and punctually pay the principal of (and
premium or Make-Whole Amount, if any) and interest on and any Additional Amounts
payable in respect of the Securities of that series in accordance with the terms
of such series of Securities, any coupons appertaining thereto and this
Indenture. Unless otherwise specified as contemplated by Section 301 with
respect to any series of Securities, any interest due on and any Additional
Amounts payable in respect of Bearer Securities on or before Maturity, other
than Additional

                                       65
<PAGE>

Amounts, if any, payable as provided in Section 1011 in respect of principal of
(or premium or Make-Whole Amount, if any, on) such a Security, shall be payable
only upon presentation and surrender of the several coupons for such interest
installments as are evidenced thereby as they severally mature. Unless otherwise
specified with respect to Securities of any series pursuant to Section 301, at
the option of the Company, all payments of principal may be paid by check to the
registered Holder of the Registered Security or other person entitled thereto
against surrender of such Security.

      SECTION 1002. Maintenance of Office or Agency.

      If Securities of a series are issuable only as Registered Securities, the
Company shall maintain in each Place of Payment for any series of Securities an
office or agency where Securities of that series may be presented or surrendered
for payment or conversion, 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. If Securities of a series are issuable as Bearer Securities, the
Company will maintain: (A) in the Borough of Manhattan, The City of New York, an
office or agency where any Registered Securities of that series may be presented
or surrendered for payment or conversion, where any Registered Securities of
that series may be surrendered for exchange, where notices and demands to or
upon the Company in respect of the Securities of that series and this Indenture
may be served and where Bearer Securities of that series and related coupons may
be presented or surrendered for payment or conversion in the circumstances
described in the following paragraph (and not otherwise); (B) subject to any
laws or regulations applicable thereto, in a Place of Payment for that series
which is located outside the United States, an office or agency where Securities
of that series and related coupons may be presented and surrendered for payment
(including payment of any Additional Amounts payable on Securities of that
series pursuant to Section 1011) or conversion; provided, however, that if the
Securities of that series are listed on the Luxembourg Stock Exchange, The
International Stock Exchange or any other stock exchange located outside the
United States and such stock exchange shall so require, the Company will
maintain a Paying Agent for the Securities of that series in Luxembourg, London
or any other required city located outside the United States, as the case may
be, so long as the Securities of that series are listed on such exchange; and
(C) subject to any laws or regulations applicable thereto, in each Place of
Payment for that series located outside the United States an office or agency
where any Securities of that series may be surrendered for registration of
transfer, where Securities of that series may be surrendered for 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 each such office or agency. If at any time the Company shall fail to maintain
any such

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<PAGE>

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, except that Bearer
Securities of that series and the related coupons may be presented and
surrendered for payment (including payment of any Additional Amounts payable on
Bearer Securities of that series pursuant to Section 1011) at the offices
specified in the Security, in London, England, and the Company hereby appoints
the same as its agent to receive such respective presentations, surrenders,
notices and demands, and the Company hereby appoints the Trustee its agent to
receive all such presentations, surrenders, notices and demands.

      Unless otherwise specified with respect to any Securities pursuant to
Section 301, no payment of principal, premium, Make-Whole Amount or interest on
or Additional Amounts in respect of Bearer Securities shall be made at any
office or agency of the Company in the United States or by check mailed to any
address in the United States or by transfer to an account maintained with a bank
located in the United States; provided, however, that, if the Securities of a
series are payable in Dollars, payment of principal of and any premium and
interest on any Bearer Security (including any Additional Amounts or Make-Whole
Amount payable on Securities of such series pursuant to Section 1011) shall be
made at the office of the Company's Paying Agent in the Borough of Manhattan,
The City of New York, if (but only if) payment in Dollars of the full amount of
such principal, premium, interest, Additional Amounts or Make-Whole Amount, as
the case may be, at all offices or agencies outside the United States maintained
for the purpose by the Company in accordance with this Indenture, is illegal or
effectively precluded by exchange controls or other similar restrictions.

      The Company may from time to time designate one or more other offices or
agencies where the Securities of one or more series and related coupons, if any,
may be presented or surrendered for any or all of 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 accordance with the requirements
set forth above 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.

      Unless otherwise specified with respect to any Securities pursuant to
Section 301, if and so long as the Securities of any series (i) are denominated
in a Foreign Currency or (ii) may be payable in a Foreign Currency, or so long
as it is required under any other provision of the Indenture, then the Company
will maintain with respect to each such series of Securities, or as so required,
at least one exchange rate agent.

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<PAGE>

      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 any Securities and any related coupons, it will, on or before
each due date of the principal of (and premium or Make-Whole Amount, if any), or
interest on or Additional Amounts in respect of, any of the Securities of that
series, segregate and hold in trust for the benefit of the Persons entitled
thereto a sum in the currency or currencies, currency unit or units or composite
currency or currencies in which the Securities of such series are payable
(except as otherwise specified pursuant to Section 301 for the Securities of
such series) sufficient to pay the principal (and premium or Make-Whole Amount,
if any) or interest or Additional Amounts 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 and any related coupons, it will, on or before each due date of
the principal of (and premium or Make-Whole Amount, if any), or interest on or
Additional Amounts in respect of, any Securities of that series, deposit with a
Paying Agent a sum (in the currency or currencies, currency unit or units or
composite currency or currencies described in the preceding paragraph)
sufficient to pay the principal (and premium or Make-Whole Amount, if any) or
interest or Additional Amounts, so becoming due, such sum to be held in trust
for the benefit of the Persons entitled to such principal, premium, Make-Whole
Amount or interest or Additional Amounts and (unless such Paying Agent is the
Trustee) the Company will promptly notify the Trustee of its action or failure
so to act.

      The Company will cause each Paying Agent 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 principal of (and
premium or Make-Whole Amount, if any) or interest on Securities or Additional
Amounts 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) in the making of any such payment of
principal (and premium or Make-Whole Amount, if any) or interest or Additional
Amounts; 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.

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<PAGE>

      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
sums.

      Except as otherwise provided in the Securities of any series, 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 or Make-Whole Amount, if
any) or interest on, or any Additional Amounts in respect of, any Security of
any series and remaining unclaimed for two years after such principal (and
premium or Make-Whole Amount, if any), interest or Additional Amounts has become
due and payable shall be paid to the Company upon 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 of such principal of (and premium or Make-Whole Amount, if
any) or interest on, or any Additional Amounts in respect of, any Security,
without interest thereon, 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 an Authorized Newspaper,
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. Additional Covenants.

      The Company will do or cause to be done all such other things required
under any supplemental indenture executed in accordance with this Indenture.

      SECTION 1005. 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 the existence,
rights (charter and statutory) and franchises of the Company and its
Subsidiaries; provided, however, that the Company shall not be required to
preserve any 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 its Subsidiaries as a whole and that the loss thereof is not
disadvantageous in any material respect to the Holders of Securities of any
series.

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<PAGE>

      SECTION 1006. Maintenance of Properties.

      The Company will cause all of its properties used or useful in the conduct
of its business or the business of any Subsidiary to be maintained and kept in
good condition, repair and working order and supplied with all necessary
equipment and will cause to be made all necessary repairs, renewals,
replacements, betterments and improvements thereof, all as in the judgment of
the Company may be necessary so that the business carried on in connection
therewith may be properly and advantageously conducted at all times; provided,
however, that nothing in this Section shall prevent the Company or any
Subsidiary from (i) selling or otherwise disposing of for value its properties
in the ordinary course of its business or (ii) discontinuing the operation and
maintenance of any of its properties if such discontinuance is, in the judgment
of the Company, desirable in the conduct of its business and not disadvantageous
in any material respect to the Holders of Securities.

      SECTION 1007. Insurance.

      The Company will, and will cause each of its Subsidiaries to, keep all of
its insurable Properties insured against loss or damage at least equal to their
then full insurable value with financially sound and reputable insurance
companies.

      SECTION 1008. Payment of Taxes and Other Claims.

      The Company will pay or discharge or cause to be paid or discharged,
before the same shall become delinquent, (1) all taxes, assessments and
governmental charges levied or imposed upon it or any Subsidiary or upon the
income, profits or property of the Company or any Subsidiary, and (2) all lawful
claims for labor, materials and supplies which, if unpaid, might by law become a
lien upon the property of the Company or any Subsidiary; provided, however, that
the Company shall not be required to pay or discharge or cause to be paid or
discharged any such tax, assessment, charge or claim whose amount, applicability
or validity is being contested in good faith by appropriate proceedings.

      SECTION 1009. Provision of Financial Information.

      Whether or not the Company is subject to Section 13 or 15(d) of the
Exchange Act, the Company will, to the extent permitted under the Exchange Act,
file with the Commission the annual reports, quarterly reports and other
documents which the Company would have been required to file with the Commission
pursuant to such Section 13 or 15(d) (the "Financial Statements") if the Company
were so subject, such documents to be filed with the Commission on or prior to
the respective dates (the "Required Filing Dates") by which the Company would
have been required so to file such documents if the Company were so subject.

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      The Company will also in any event (x) within 15 days of each Required
Filing Date (i) transmit by mail to all Holders, as their names and addresses
appear in the Security Register, without cost to such Holders, copies of the
annual reports and quarterly reports which the Company would have been required
to file with the Commission pursuant to Section 13 or 15(d) of the Exchange Act
if the Company were subject to such Sections, and (ii) file with the Trustee
copies of annual reports, quarterly reports and other documents which the
Company would have been required to file with the Commission pursuant to Section
13 or 15(d) of the Exchange Act if the Company were subject to such Sections and
(y) if filing such documents by the Company with the Commission is not permitted
under the Exchange Act, promptly upon written request and payment of the
reasonable cost of duplication and delivery, supply copies of such documents to
any prospective Holder.

      SECTION 1010. Statement as to Compliance.

      The Company will deliver to the Trustee within 120 days after the end of
each fiscal year a brief certificate from the principal executive officer,
principal financial officer or principal accounting officer as to his or her
knowledge of the Company's compliance with all conditions and covenants under
this Indenture and, in the event of any noncompliance, specifying such
noncompliance and the nature and status thereof. For purposes of this Section
1010, such compliance shall be determined without regard to any period of grace
or requirement of notice under this Indenture.

      SECTION 1011. Additional Amounts.

      If any Securities of a series provide for the payment of Additional
Amounts, the Company will pay to the Holder of any Security of such series or
any coupon appertaining thereto Additional Amounts as may be specified as
contemplated by Section 301. Whenever in this Indenture there is mentioned, in
any context except in the case of Section 502(1), the payment of the principal
of or any premium, Make-Whole Amount or interest on, or in respect of, any
Security of any series or payment of any related coupon or the net proceeds
received on the sale or exchange of any Security of any series, such mention
shall be deemed to include mention of the payment of Additional Amounts provided
by the terms of such series established pursuant to Section 301 to the extent
that, in such context, Additional Amounts are, were or would be payable in
respect thereof pursuant to such terms and express mention of the payment of
Additional Amounts (if applicable) in any provisions hereof shall not be
construed as excluding Additional Amounts in those provisions hereof where such
express mention is not made.

      Except as otherwise specified as contemplated by Section 301, if the
Securities of a series provide for the payment of Additional Amounts, at least
10 days prior to the first Interest Payment Date with respect to that series of

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Securities (or if the Securities of that series will not bear interest prior to
Maturity, the first day on which a payment of principal and any premium is
made), and at least 10 days prior to each date of payment of principal and any
premium or Make-Whole Amount or interest if there has been any change with
respect to the matters set forth in the below-mentioned Officers' Certificate,
the Company will furnish the Trustee and the Company's principal Paying Agent or
Paying Agents, if other than the Trustee, with an Officers' Certificate
instructing the Trustee and such Paying Agent or Paying Agents whether such
payment of principal of and any premium or interest on the Securities of that
series shall be made to Holders of Securities of that series or any related
coupons who are not United States persons without withholding for or on account
of any tax, assessment or other governmental charge described in the Securities
of or within the series. If any such withholding shall be required, then such
Officers' Certificate shall specify by country the amount, if any, required to
be withheld on such payments to such Holders of Securities of that series or
related coupons and the Company will pay to the Trustee or such Paying Agent the
Additional Amounts, if any, required by the terms of such Securities. In the
event that the Trustee or any Paying Agent, as the case may be, shall not so
receive the above-mentioned certificate, then the Trustee or such Paying Agent
shall be entitled (i) to assume that no such withholding or deduction is
required with respect to any payment of principal or interest with respect to
any Securities of a series or related coupons until it shall have received a
certificate advising otherwise and (ii) to make all payments of principal and
interest with respect to the Securities of a series or related coupons without
withholding or deductions until otherwise advised. The Company covenants to
indemnify the Trustee and any Paying Agent for, and to hold them harmless
against, any loss, liability or expense reasonably incurred without negligence
or bad faith on their part arising out of or in connection with actions taken or
omitted by any of them in reliance on any Officers' Certificate furnished
pursuant to this Section or in reliance on the Company's not furnishing such an
Officers' Certificate.

      SECTION 1012. Waiver of Certain Covenants.

      The Company may omit in any particular instance to comply with any term,
provision or condition set forth in Sections 1004 to 1009, inclusive, and with
any other term, provision or condition with respect to the Securities of any
series specified in accordance with Section 301 (except any such term, provision
or condition which could not be amended without the consent of all Holders of
Securities of such series pursuant to Section 902), if before or after the time
for such compliance the Holders of at least a majority in principal amount of
all outstanding Securities of such series, by Act of such Holders, either waive
such compliance in such instance or generally waive compliance with such
covenant or condition, but no such waiver shall extend to or affect such
covenant or condition except to the extent so expressly waived, and, until such
waiver shall become effective, the obligations of

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<PAGE>

the Company and the duties of the Trustee in respect of any such term, provision
or condition shall remain in full force and effect.

                                 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.

      SECTION 1102. Election to Redeem; Notice to Trustee.

      The election of the Company to redeem any Securities shall be evidenced by
or pursuant to a Board Resolution. In case of any redemption at the election of
the Company of less than all of the Securities of any series, the Company shall,
at least 45 days prior to the giving of the notice of redemption in Section 1104
(unless a shorter notice shall be satisfactory to the 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 prior to
the expiration of any restriction on such redemption provided in the terms of
such Securities or elsewhere in this Indenture, the Company shall furnish the
Trustee with an Officers' Certificate evidencing compliance with such
restriction.

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

      If less than all the Securities of any series issued on the same day with
the same terms are to be redeemed, the particular Securities to be redeemed
shall be selected not more than 60 days prior to the Redemption Date by the
Trustee, from the Outstanding Securities of such series issued on such date with
the same terms 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 and the Security Registrar
(if other than itself) 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.

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<PAGE>

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

      SECTION 1104. Notice of Redemption.

      Notice of redemption shall be given in the manner provided in Section 106,
not less than 30 days nor more than 60 days prior to the Redemption Date, unless
a shorter period is specified by the terms of such series established pursuant
to Section 301, to each Holder of Securities to be redeemed, but failure to give
such notice in the manner herein provided to the Holder of any Security
designated for redemption as a whole or in part, or any defect in the notice to
any such Holder, shall not affect the validity of the proceedings for the
redemption of any other such Security or portion thereof.

      Any notice that is mailed to the Holders of Registered Securities in the
manner herein provided shall be conclusively presumed to have been duly given,
whether or not the Holder receives the notice.

      All notices of redemption shall state:

            (1) the Redemption Date;

            (2) the Redemption Price, accrued interest to the Redemption Date
payable as provided in Section 1106, if any, and Additional Amounts, if any;

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

            (4) in case any Security is to be redeemed in part only, that on and
after the Redemption Date, upon surrender of such Security, the holder will
receive, without charge, a new Security or Securities of authorized
denominations for the principal amount thereof remaining unredeemed;

            (5) that on the Redemption Date the Redemption Price and accrued
interest to the Redemption Date payable as provided in Section 1106, if any,
will become due and payable upon each such Security, or the portion thereof, to
be redeemed and, if applicable, that interest thereon shall cease to accrue on
and after said date;

            (6) the Place or Places of Payment where such Securities, together
in the case of Bearer Securities with all coupons appertaining thereto, if any,
maturing after the Redemption Date, are to be surrendered for payment of the
Redemption Price and accrued interest, if any, or for conversion;

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<PAGE>

            (7) that the redemption is for a sinking fund, if such is the case;

            (8) that, unless otherwise specified in such notice, Bearer
Securities of any series, if any, surrendered for redemption must be accompanied
by all coupons maturing subsequent to the date fixed for redemption or the
amount of any such missing coupon or coupons will be deducted from the
Redemption Price, unless security or indemnity satisfactory to the Company, the
Trustee for such series and any Paying Agent is furnished;

            (9) if Bearer Securities of any series are to be redeemed and any
Registered Securities of such series are not to be redeemed, and if such Bearer
Securities may be exchanged for Registered Securities not subject to the
redemption on this Redemption Date pursuant to Section 305 or otherwise, the
last date, as determined by the Company, on which such exchanges may be made;

            (10) the CUSIP number of such Security, if any, provided that
neither the Company nor the Trustee shall have any responsibility for any such
CUSIP number; and

            (11) if applicable, that a Holder of Securities who desires to
convert Securities to be redeemed must satisfy the requirements for conversion
contained in such Securities, the then existing conversion price or rate and the
date and time when the option to convert shall expire.

            Notice of redemption of Securities to be redeemed 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.

      On or prior to 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, which it may not do in the case of a sinking fund payment under Article
Twelve, segregate and hold in trust as provided in Section 1003) an amount of
money in the currency or currencies, currency unit or units or composite
currency or currencies in which the Securities of such series are payable
(except as otherwise specified pursuant to Section 301 for the Securities of
such series) sufficient to pay on the Redemption Date the Redemption Price of,
and (except if the Redemption Date shall be an Interest Payment Date) accrued
interest on, all the Securities or portions thereof 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 the
Redemption Price therein specified in the currency or currencies, currency unit
or

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units or composite currency or currencies in which the Securities of such series
are payable (except as otherwise specified pursuant to Section 301 for the
Securities of such series) (together with accrued interest, if any, to the
Redemption Date), and from and after such date (unless the Company shall default
in the payment of the Redemption Price and accrued interest) such Securities
shall, if the same were interest-bearing, cease to bear interest and the coupons
for such interest appertaining to any Bearer Securities so to be redeemed,
except to the extent provided below, shall be void. Upon surrender of any such
Security for redemption in accordance with said notice, together with all
coupons, if any, appertaining thereto maturing after the Redemption Date, such
Security shall be paid by the Company at the Redemption Price, together with
accrued interest, if any, to the Redemption Date; provided, however, that
installments of interest on Bearer Securities whose Stated Maturity is on or
prior to the Redemption Date shall be payable only at an office or agency
located outside the United States (except as otherwise provided in Section 1002)
and, unless otherwise specified as contemplated by Section 301, only upon
presentation and surrender of coupons for such interest; and provided further
that except as otherwise provided with respect to Securities convertible into
Capital Stock, installments of interest on Registered Securities 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 Bearer Security surrendered for redemption shall not be accompanied
by all appurtenant coupons maturing after the Redemption Date, such Security may
be paid after deducting from the Redemption Price an amount equal to the face
amount of all such missing coupons, or the surrender of such missing coupon or
coupons may be waived by the Company and the Trustee if there be furnished to
them such security or indemnity as they may require to save each of them and any
Paying Agent harmless. If thereafter the Holder of such Security shall surrender
to the Trustee or any Paying Agent any such missing coupon in respect of which a
deduction shall have been made from the Redemption Price, such Holder shall be
entitled to receive the amount so deducted; provided, however, that interest
represented by coupons shall be payable only at an office or agency located
outside the United States (except as otherwise provided in Section 1002) and,
unless otherwise specified as contemplated by Section 301, only upon
presentation and surrender of those coupons. If any Security called for
redemption shall not be so paid upon surrender thereof for redemption, the
principal (and premium or Make-Whole Amount, if any) shall, until paid, bear
interest from the Redemption Date at the rate borne by the Security.

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<PAGE>

      SECTION 1107. Securities Redeemed in Part.

      Any Security which is to be redeemed only in part (pursuant to the
provisions of this Article or of Article Twelve) 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, 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

                                   [RESERVED]

                                ARTICLE THIRTEEN

                                   [RESERVED]

                                ARTICLE FOURTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE

      SECTION 1401. Applicability of Article; Company's Option to Effect
            Defeasance or Covenant Defeasance.

      If, pursuant to Section 301, provision is made for either or both of (a)
defeasance of the Securities of or within a series under Section 1402 or (b)
covenant defeasance of the Securities of or within a series under Section 1403
to be applicable to the Securities of any series, then the provisions of such
Section or Sections, as the case may be, together with the other provisions of
this Article (with such modifications thereto as may be specified pursuant to
Section 301 with respect to any Securities), shall be applicable to such
Securities and any coupons appertaining thereto, and the Company may at its
option by Board Resolution at any time, with respect to such Securities and any
coupons appertaining thereto, elect to defease such Outstanding Securities and
any coupons appertaining thereto pursuant to Section 1402 (if applicable) or
Section 1403 (if applicable) upon compliance with the conditions set forth below
in this Article.

      SECTION 1402. Defeasance and Discharge.

      Upon the Company's exercise of the above option applicable to this Section
with respect to any Securities of or within a series, the Company shall be
deemed to have been discharged from its obligations with respect to such
Outstanding

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<PAGE>

Securities and any coupons appertaining thereto on the date the conditions set
forth in Section 1404 are satisfied (hereinafter, "defeasance"). For this
purpose, such defeasance means that the Company shall be deemed to have paid and
discharged the entire indebtedness represented by such Outstanding Securities
and any coupons appertaining thereto, which shall thereafter be deemed to be
"Outstanding" only for the purposes of Section 1405 and the other Sections of
this Indenture referred to in clauses (A) and (B) below, and to have satisfied
all of its other obligations under such Securities and any coupons appertaining
thereto and this Indenture insofar as such Securities and any coupons
appertaining thereto are concerned (and the Trustee, at the expense of the
Company, shall execute proper instruments acknowledging the same), except for
the following which shall survive until otherwise terminated or discharged
hereunder: (A) the rights of Holders of such Outstanding Securities and any
coupons appertaining thereto to receive, solely from the trust fund described in
Section 1404 and as more fully set forth in such Section, payments in respect of
the principal of (and premium or Make-Whole Amount, if any) and interest, if
any, on such Securities and any coupons appertaining thereto when such payments
are due, (B)the Company's obligations with respect to such Securities under
Sections 305, 306, 1002 and 1003 and with respect to the payment of Additional
Amounts, if any, on such Securities as contemplated by Section 1011, (C) the
rights, powers, trusts, duties and immunities of the Trustee hereunder and (D)
this Article. Subject to compliance with this Article Fourteen, the Company may
exercise its option under this Section notwithstanding the prior exercise of its
option under Section 1403 with respect to such Securities and any coupons
appertaining thereto.

      SECTION 1403. Covenant Defeasance.

      Upon the Company's exercise of the above option applicable to this Section
with respect to any Securities of or within a series, the Company shall be
released from its obligations under Sections 1004 to 1009, inclusive, and, if
specified pursuant to Section 301, its obligations under any other covenant,
with respect to such Outstanding Securities and any coupons appertaining thereto
on and after the date the conditions set forth in Section 1404 are satisfied
(hereinafter, "covenant defeasance"), and such Securities and any coupons
appertaining thereto shall thereafter be deemed to be not "Outstanding" for the
purposes of any direction, waiver, consent or declaration or Act of Holders (and
the consequences of any thereof) in connection with Sections 1004 to 1009,
inclusive, or such other covenant, but shall continue to be deemed "Outstanding"
for all other purposes hereunder. For this purpose, such covenant defeasance
means that, with respect to such Outstanding Securities and any coupons
appertaining thereto, 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 or such other covenant, whether directly or indirectly, by reason of any
reference elsewhere herein to any such Section or such other covenant or by
reason of reference in any such Section or such other covenant

                                       78
<PAGE>

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(4) or 501(9) or otherwise, as the case may be, but, except as specified
above, the remainder of this Indenture and such Securities and any coupons
appertaining thereto shall be unaffected thereby.

      SECTION 1404. Conditions to Defeasance or Covenant Defeasance.

      The following shall be the conditions to application of Section 1402 or
Section 1403 to any Outstanding Securities of or within a series and any coupons
appertaining thereto:

            (a) The Company shall irrevocably have deposited or caused to be
deposited with the Trustee (or another trustee satisfying the requirements of
Section 607 who shall agree to comply with the provisions of this Article
Fourteen 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 such Securities and any coupons appertaining
thereto, (1) an amount in such currency, currencies or currency unit in which
such Securities and any coupons appertaining thereto are then specified as
payable at Stated Maturity, or (2) Government Obligations applicable to such
Securities and coupons appertaining thereto (determined on the basis of the
currency, currencies or currency unit in which such Securities and coupons
appertaining thereto are then specified as payable at Stated Maturity) 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 of principal of (and premium or Make-Whole Amount, if any)
and interest, if any, on such Securities and any coupons appertaining thereto,
money in an amount, or (3) a combination thereof in an amount, sufficient,
without consideration of any reinvestment of such principal and interest, 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, and which shall be applied by the Trustee (or other qualifying
trustee) to pay and discharge, (i) the principal of (and premium or Make-Whole
Amount, if any) and interest, if any, on such Outstanding Securities and any
coupons appertaining thereto on the Stated Maturity of such principal or
installment of principal or interest and (ii) any mandatory sinking fund
payments or analogous payments applicable to such Outstanding Securities and any
coupons appertaining thereto on the day on which such payments are due and
payable in accordance with the terms of this Indenture and of such Securities
and any coupons appertaining thereto; provided, that the Trustee shall have been
irrevocably instructed to apply such money or the proceeds of such Government
Obligations to said payments with respect to such Securities. Before such a
deposit, the Company may give to the Trustee, in accordance with Section 1102
hereof, a notice of its election to redeem all or any portion of such
Outstanding Securities at a future date

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<PAGE>

in accordance with the terms of the Securities of such series and Article Eleven
hereof, which notice shall be irrevocable. Such irrevocable redemption notice,
if given, shall be given effect in applying the foregoing.

            (b) Such defeasance or covenant defeasance shall not result in a
breach or violation of, or constitute a default under, this Indenture or any
other material agreement or instrument to which the Company is a party or by
which it is bound (and shall not cause the Trustee to have a conflicting
interest pursuant to Section 310(b) of the TIA with respect to any Security of
the Company).

            (c) No Event of Default or event which with notice or lapse of time
or both would become an Event of Default with respect to such Securities and any
coupons appertaining thereto shall have occurred and be continuing on the date
of such deposit or, insofar as Sections 501(7) and 501(8) are concerned, at any
time during the period ending on the 91st day after the date of such deposit (it
being understood that this condition shall not be deemed satisfied until the
expiration of such period).

            (d) In the case of an election under Section 1402, the Company shall
have delivered to the Trustee an Opinion of Counsel stating that (i) the Company
has received from, or there has been published by, the Internal Revenue Service
a ruling, or (ii) since the date of execution of this Indenture, there has been
a change in the applicable Federal income tax law, in either case to the effect
that, and based thereon such opinion shall confirm that, the Holders of such
Outstanding Securities and any coupons appertaining thereto will not recognize
income, gain or loss for Federal income tax purposes as a result of such
defeasance and will be subject to Federal income tax on the same amounts, in the
same manner and at the same times as would have been the case if such defeasance
had not occurred.

            (e) In the case of an election under Section 1403, the Company shall
have delivered to the Trustee an Opinion of Counsel to the effect that the
Holders of such Outstanding Securities and any coupons appertaining thereto will
not recognize income, gain or loss for Federal income tax purposes as a result
of such covenant defeasance and will be subject to Federal income tax on the
same amounts, in the same manner and at the same times as would have been the
case if such covenant defeasance had not occurred.

            (f) The Company shall have delivered to the Trustee an Officers'
Certificate and an Opinion of Counsel, each stating that all conditions
precedent to the defeasance under Section 1402 or the covenant defeasance under
Section 1403 (as the case may be) have been complied with and an Opinion of
Counsel to the effect that either (i) as a result of a deposit pursuant to
subsection (a) above and the related exercise of the Company's option under
Section 1402 or Section 1403 (as the case may be) registration is not required
under the Investment Company Act of 1940, as amended, by the Company, with
respect to the trust funds representing

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<PAGE>

such deposit or by the Trustee for such trust funds or (ii) all necessary
registrations under said Act have been effected.

            (g) After the 91st day following the deposit, the trust funds will
not be subject to the effect of any applicable bankruptcy, insolvency,
reorganization or similar laws affecting creditors' rights generally.

            (h) Notwithstanding any other provisions of this Section, such
defeasance or covenant defeasance shall be effected in compliance with any
additional or substitute terms, conditions or limitations which may be imposed
on the Company in connection therewith pursuant to Section 301.

      SECTION 1405. Deposited Money and Government Obligations to Be Held in
            Trust; Other Miscellaneous Provisions.

      Subject to the provisions of the last paragraph of Section 1003, all money
and Government Obligations (or other property as may be provided pursuant to
Section 301) (including the proceeds thereof) deposited with the Trustee (or
other qualifying trustee, collectively for purposes of this Section 1405, the
"Trustee") pursuant to Section 1404 in respect of any Outstanding Securities of
any series and any coupons appertaining thereto shall be held in trust and
applied by the Trustee, in accordance with the provisions of such Securities and
any coupons appertaining thereto 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 Holders of such Securities
and any coupons appertaining thereto of all sums due and to become due thereon
in respect of principal (and premium or Make-Whole Amount, if any) and interest
and Additional Amounts, if any, but such money need not be segregated from other
funds except to the extent required by law.

      Unless otherwise specified with respect to any Security pursuant to
Section 301, if, after a deposit referred to in Section 1404(a) has been made,
(a) the Holder of a Security in respect of which such deposit was made is
entitled to, and does, elect pursuant to Section 301 or the terms of such
Security to receive payment in a currency or currency unit other than that in
which the deposit pursuant to Section 1404(a) has been made in respect of such
Security, or (b) a Conversion Event occurs in respect of the currency or
currency unit in which the deposit pursuant to Section 1404(a) has been made,
the indebtedness represented by such Security and any coupons appertaining
thereto shall be deemed to have been, and will be, fully discharged and
satisfied through the payment of the principal of (and premium or Make-Whole
Amount, if any), and interest, if any, on such Security as the same becomes due
out of the proceeds yielded by converting (from time to time as specified below
in the case of any such election) the amount or other property deposited in
respect of such Security into the currency or currency unit in which such
Security becomes payable, as a result of such election or Conversion Event

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<PAGE>

based on the applicable market exchange rate for such currency or currency unit
in effect on the second Business Day prior to each payment date, except, with
respect to a Conversion Event, for such currency or currency unit in effect (as
nearly as feasible) at the time of the Conversion Event.

      The Company shall pay and indemnify the Trustee against any tax, fee or
other charge imposed on or assessed against the Government Obligations deposited
pursuant to Section 1404 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 such Outstanding Securities and any coupons
appertaining thereto.

      Anything in this Article to the contrary notwithstanding, the Trustee
shall deliver or pay to the Company from time to time upon Company Request any
money or Government Obligations (or other property and any proceeds therefrom)
held by it as provided in Section 1404 which, in the opinion of a nationally
recognized firm of independent public accountants expressed in a written
certification thereof delivered to the Trustee, are in excess of the amount
thereof which would then be required to be deposited to effect a defeasance or
covenant defeasance, as applicable, in accordance with this Article.

                                 ARTICLE FIFTEEN

                        MEETINGS OF HOLDERS OF SECURITIES

      SECTION 1501. Purposes for Which Meetings May Be Called.

      A meeting of Holders of Securities of any series may be called at any time
and from time to time pursuant to this Article to make, give or take any
request, demand, authorization, direction, notice, consent, waiver or other
action provided by this Indenture to be made, given or taken by Holders of
Securities of such series.

      SECTION 1502. Call, Notice and Place of Meetings.

      (a) The Trustee may at any time call a meeting of Holders of Securities of
any series for any purpose specified in Section 1501, to be held at such time
and at such place in the Borough of Manhattan, The City of New York, or in
London as the Trustee shall determine. Notice of every meeting of Holders of
Securities of any series, setting forth the time and the place of such meeting
and in general terms the action proposed to be taken at such meeting, shall be
given, in the manner provided in Section 106, not less than 21 nor more than 90
days prior to the date fixed for the meeting.

      (b) In case at any time the Company, pursuant to a Board Resolution, or
the Holders of at least 10% in principal amount of the Outstanding Securities of
any series shall have requested the Trustee to call a meeting of the Holders of
Securities

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<PAGE>

of such series for any purpose specified in Section 1501, by written request
setting forth in reasonable detail the action proposed to be taken at the
meeting, and the Trustee shall not have made the first publication of the notice
of such meeting within 21 days after receipt of such request or shall not
thereafter proceed to cause the meeting to be held as provided herein, then the
Company or the Holders of Securities of such series in the amount above
specified, as the case may be, may determine the time and the place in the
Borough of Manhattan, The City of New York, or in London for such meeting and
may call such meeting for such purposes by giving notice thereof as provided in
subsection (a) of this Section.

      SECTION 1503. Persons Entitled to Vote at Meetings.

      To be entitled to vote at any meeting of Holders of Securities of any
series, a Person shall be (1) a Holder of one or more Outstanding Securities of
such series, or (2) a Person appointed by an instrument in writing as proxy for
a Holder or Holders of one or more Outstanding Securities of such series by such
Holder or Holders. The only Persons who shall be entitled to be present or to
speak at any meeting of Holders of Securities of any series shall be the Persons
entitled to vote at such meeting and their counsel, any representatives of the
Trustee and its counsel and any representatives of the Company and its counsel.

      SECTION 1504. Quorum; Action.

      The Persons entitled to vote a majority in principal amount of the
Outstanding Securities of a series shall constitute a quorum for a meeting of
Holders of Securities of such series; provided, however, that if any action is
to be taken at such meeting with respect to a consent or waiver which this
Indenture expressly provides may be given by the Holders of not less than a
specified percentage in principal amount of the Outstanding Securities of a
series, the Persons entitled to vote such specified percentage in principal
amount of the Outstanding Securities of such series shall constitute a quorum.
In the absence of a quorum within 30 minutes after the time appointed for any
such meeting, the meeting shall, if convened at the request of Holders of
Securities of such series, be dissolved. In any other case the meeting may be
adjourned for a period of not less than 10 days as determined by the chairman of
the meeting prior to the adjournment of such meeting. In the absence of a quorum
at any such adjourned meeting, such adjourned meeting may be further adjourned
for a period of not less than 10 days as determined by the chairman of the
meeting prior to the adjournment of such adjourned meeting. Notice of the
reconvening of any adjourned meeting shall be given as provided in Section
1502(a), except that such notice need be given only once not less than five (5)
days prior to the date on which the meeting is scheduled to be reconvened.
Notice of the reconvening of any adjourned meeting shall state expressly the
percentage, as provided above, of the principal amount of the Outstanding
Securities of such series which shall constitute a quorum. Except as limited by
the proviso to Section 902, any resolution presented to a meeting or

                                       83
<PAGE>

adjourned meeting duly reconvened at which a quorum is present as aforesaid may
be adopted by the affirmative vote of the Holders of a majority in principal
amount of the Outstanding Securities of that series; provided, however, that,
except as limited by the proviso to Section 902, any resolution with respect to
any request, demand, authorization, direction, notice, consent, waiver or other
action which this Indenture expressly provides may be made, given or taken by
the Holders of a specified percentage, which is less than a majority, in
principal amount of the Outstanding Securities of a series may be adopted at a
meeting or an adjourned meeting duly reconvened and at which a quorum is present
as aforesaid by the affirmative vote of the Holders of such specified percentage
in principal amount of the Outstanding Securities of that series.

      Any resolution passed or decision taken at any meeting of Holders of
Securities of any series duly held in accordance with this Section shall be
binding on all the Holders of Securities of such series and the related coupons,
whether or not present or represented at the meeting.

      Notwithstanding the foregoing provisions of this Section 1504, if any
action is to be taken at a meeting of Holders of Securities of any series with
respect to any request, demand, authorization, direction, notice, consent,
waiver or other action that this Indenture expressly provides may be made, given
or taken by the Holders of a specified percentage in principal amount of all
Outstanding Securities affected thereby, or of the Holders of such series and
one or more additional series:

            (i) there shall be no minimum quorum requirement for such meeting;
and

            (ii) the principal amount of the Outstanding Securities of such
series that vote in favor of such request, demand, authorization, direction,
notice, consent, waiver or other action shall be taken into account in
determining whether such request, demand, authorization, direction, notice,
consent, waiver or other action has been made, given or taken under this
Indenture.

      SECTION 1505. Determination of Voting Rights; Conduct and Adjournment of
            Meetings.

            (a) Notwithstanding any provisions of this Indenture, the Trustee
may make such reasonable regulations as it may deem advisable for any meeting of
Holders of Securities of a series in regard to proof of the holding of
Securities of such series and of the appointment of proxies and in regard to the
appointment and duties of inspectors of votes, the submission and examination of
proxies, certificates and other evidence of the right to vote, and such other
matters concerning the conduct of the meeting as it shall deem appropriate.
Except as otherwise permitted or required by any such regulations, the holding
of Securities shall be proved

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<PAGE>

in the manner specified in Section 104 and the appointment of any proxy shall be
proved in the manner specified in Section 104 or by having the signature of the
Person executing the proxy witnessed or guaranteed by any trust company, bank or
banker authorized by Section 104 to certify to the holding of Bearer Securities.
Such regulations may provide that written instruments appointing proxies,
regular on their face, may be presumed valid and genuine without the proof
specified in Section 104 or other proof.

            (b) The Trustee shall, by an instrument in writing, appoint a
temporary chairman of the meeting, unless the meeting shall have been called by
the Company or by Holders of Securities as provided in Section 1502(b), in which
case the Company or the Holders of Securities of or within the series calling
the meeting, as the case may be, shall in like manner appoint a temporary
chairman. A permanent chairman and a permanent secretary of the meeting shall be
elected by vote of the Persons entitled to vote a majority in principal amount
of the Outstanding Securities of such series represented at the meeting.

            (c) At any meeting each Holder of a Security of such series or proxy
shall be entitled to one vote for each $1,000 principal amount of the
Outstanding Securities of such series held or represented by him; provided,
however, that no vote shall be cast or counted at any meeting in respect of any
Security challenged as not Outstanding and ruled by the chairman of the meeting
to be not Outstanding. The chairman of the meeting shall have no right to vote,
except as a Holder of a Security of such series or proxy.

            (d) Any meeting of Holders of Securities of any series duly called
pursuant to Section 1502 at which a quorum is present may be adjourned from time
to time by Persons entitled to vote a majority in principal amount of the
Outstanding Securities of such series represented at the meeting, and the
meeting may be held as so adjourned without further notice.

      SECTION 1506. Counting Votes and Recording Action of Meetings.

      The vote upon any resolution submitted to any meeting of Holders of
Securities of any series shall be by written ballots on which shall be
subscribed the signatures of the Holders of Securities of such series or of
their representatives by proxy and the principal amounts and serial numbers of
the Outstanding Securities of such series held or represented by them. The
permanent chairman of the meeting shall appoint two inspectors of votes who
shall count all votes cast at the meeting for or against any resolution and who
shall make and file with the secretary of the meeting their verified written
reports in duplicate of all votes cast at the meeting. A record, at least in
duplicate, of the proceedings of each meeting of Holders of Securities of any
series shall be prepared by the secretary of the meeting and there shall be
attached to said record the original reports of the inspectors of votes on any
vote by ballot taken thereat and affidavits by one or more persons having
knowledge of the fact, setting forth a copy of the notice of the meeting and
showing

                                       85
<PAGE>

that said notice was given as provided in Section 1502 and, if applicable,
Section 1504. Each copy shall be signed and verified by the affidavits of the
permanent chairman and secretary of the meeting and one such copy shall be
delivered to the Company and another to the Trustee to be preserved by the
Trustee, the latter to have attached thereto the ballots voted at the meeting.
Any record so signed and verified shall be conclusive evidence of the matters
therein stated.

      SECTION 1507. Evidence of Action Taken by Holders.

      Any request, demand, authorization, direction, notice, consent, waiver or
other action provided by this Indenture to be given or taken by a specified
percentage in principal amount of the Holders of any or all series may be
embodied in and evidenced by one or more instruments of substantially similar
tenor signed by such specified percentage of 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. Proof of execution of any instrument or of a writing appointing
any such agent shall be sufficient for any purpose of this Indenture and
(subject to Article Six) conclusive in favor of the Trustee and the Company, if
made in the manner provided in this Article.

      SECTION 1508. Proof of Execution of Instruments.

      Subject to Article Six, the execution of any instrument by a Holder or his
agent or proxy may be proved in accordance with such reasonable rules and
regulations as may be prescribed by the Trustee or in such manner as shall be
satisfactory to the Trustee.

                                 ARTICLE SIXTEEN

                                  SUBORDINATION

      SECTION 1601. Agreement to Subordinate.

      The Company agrees, and each Holder by accepting a Security agrees, that
the indebtedness evidenced by the Securities is subordinated in right of
payment, to the extent and in the manner provided in this Article, to the prior
payment in full of all Senior Debt and that the subordination is for the benefit
of the holders of Senior Debt.

      SECTION 1602. Liquidation; Dissolution; Bankruptcy.

      Upon any distribution to creditors of the Company in a liquidation or
dissolution of the Company or in a bankruptcy, reorganization, insolvency,
receivership or similar proceeding relating to the Company or its property:

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<PAGE>

            (1) holders of Senior Debt shall be entitled to receive payment in
full in cash of the principal of and interest (including interest accruing after
the commencement of any such proceeding) to the date of payment on the Senior
Debt before Holders shall be entitled to receive any payment of principal of or
interest on Securities;

            (2) until the Senior Debt is paid in full in cash, any distribution
to which Holders would be entitled but for this Article shall be made to holders
of Senior Debt as their interests may appear, except that Holders may receive
securities that are subordinated to Senior Debt to at least the same extent as
the Securities; and

            (3) the Trustee is entitled to rely upon an order or decree of a
court of competent jurisdiction or a certificate of a bankruptcy trustee or
other similar official for the purpose of ascertaining the persons entitled to
participate in such distribution, the holders of Senior Debt and other Company
debt, the amount thereof or payable thereon and all other pertinent facts
relating to the Trustee's obligations under this Article Sixteen.

      SECTION 1603. Default on Senior Debt.

      The Company may not pay principal of or interest on the Securities and may
not acquire any Securities for cash or property other than capital stock of the
Company if:

            (1) a default on Senior Debt occurs and is continuing that permits
holders of such Senior Debt to accelerate its maturity, and

            (2) the default is the subject of judicial proceedings or the
Company receives a notice of the default from a person who may give it pursuant
to Section 1611. If the Company receives any such notice, a similar notice
received within nine months thereafter relating to the same default on the same
issue of Senior Debt shall not be effective for purposes of this Section.

      The Company may resume payments on the Securities and may acquire them
when:

            (a) the default is cured or waived, or

            (b) 120 days pass after the notice is given if the default is not
the subject of judicial proceedings,

      if this Article otherwise permits the payment or acquisition at that time.

                                       87
<PAGE>

      SECTION 1604. Acceleration of Securities.

      If payment of the Securities is accelerated because of an Event of
Default, the Company shall promptly notify holders of Senior Debt of the
acceleration. The Company may pay the Securities when 120 days pass after the
acceleration occurs if this Article permits the payment at that time.

      SECTION 1605. When Distribution Must Be Paid Over.

      If a distribution is made to Holders that because of this Article should
not have been made to them, the Holders who receive the distribution shall hold
it in trust for holders of Senior Debt and pay it over to them as their
interests may appear.

      SECTION 1606. Notice by Company.

      The Company shall promptly notify the Trustee and any Paying Agent of any
facts known to the Company that would cause a payment of principal of or
interest on Securities to violate this Article.

      SECTION 1607. Subrogation.

      After all Senior Debt is paid in full and until the Securities are paid in
full, Holders shall be subrogated to the rights of holders of Senior Debt to
receive distributions applicable to Senior Debt to the extent that distributions
otherwise payable to the Holders have been applied to the payment of Senior
Debt. A distribution made under this Article to holders of Senior Debt which
otherwise would have been made to Holders is not, as between the Company and
Holders, a payment by the Company on Senior Debt.

      SECTION 1608. Relative Rights.

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

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

            (2) affect the relative rights of Holders and creditors of the
Company other than holders of Senior Debt; or

            (3) prevent the Trustee or any Holder from exercising its available
remedies upon an Event of Default, subject to the rights of holders of Senior
Debt to receive distributions otherwise payable to Holders.

                                       88
<PAGE>

      If the Company fails because of this Article to pay principal of or
interest on a Security on the due date, the failure is still a default.

      SECTION 1609. Subordination May Not Be Impaired by Company.

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

      SECTION 1610. Distribution or Notice to Representative.

      Whenever a distribution is to be made or a notice given to holders of
Senior Debt, the distribution may be made and the notice given to their
Representative.

      SECTION 1611. Rights of Trustee and Paying Agent.

      The Trustee or any Paying Agent may continue to make payments on the
Securities until it receives written notice of facts that would cause a payment
of principal of or interest on the Securities to violate this Article. Only the
Company, a Representative or a holder of an issue of Senior Debt that has no
Representative may give the written notice.

      The Trustee has no fiduciary duty to the holders of Senior Debt other than
as created under this Indenture. The Trustee in its individual or any other
capacity may hold Senior Debt with the same rights it would have if it were not
Trustee.

      The Company's obligation to pay, and the Company's payment of, the
Trustee's fees pursuant to Section 606 are excluded from the operation of this
Article Sixteen.

      This Indenture 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 Indenture.

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

                                  CAPSTONE TURBINE CORPORATION

                                  By: _________________________________
                                  Name:
                                  Title:

                                       89
<PAGE>

                                  ________________________, as Trustee

                                  By: ________________________________
                                  Name:
                                  Title:

                                       90
<PAGE>

                                    EXHIBIT A

                             FORMS OF CERTIFICATION

                                        1
<PAGE>

                                   EXHIBIT A-1

               FORM OF CERTIFICATE TO BE GIVEN BY PERSON ENTITLED
                TO RECEIVE BEARER SECURITY OR TO OBTAIN INTEREST
                       PAYABLE PRIOR TO THE EXCHANGE DATE

     (Insert title or sufficient description of Securities to be delivered)

      This is to certify that, as of the date hereof, and except as set forth
below, the above-captioned Securities held by you for our account (i) are owned
by person(s) that are not citizens or residents of the United States, domestic
partnerships, domestic corporations or any estate or trust the income of which
is subject to United States federal income taxation regardless of its source
("United States person(s)"), (ii) are owned by United States person(s) that are
(a) foreign branches of United States financial institutions (financial
institutions, as defined in United States Treasury Regulations Section 1.
165-12(c)(1)(v) are herein referred to as "financial institutions") purchasing
for their own account or for resale, or (b) United States person(s) who acquired
the Securities through foreign branches of United States financial institutions
and who hold the Securities through such United States Financial institutions on
the date hereof (and in either case (a) or (b), each such United States
financial institution hereby agrees, on its own behalf or through its agent,
that you may advise ____________________ or its agent that such financial
institution will provide a certificate within a reasonable time stating that it
agrees to comply with the requirements of Section 165(j)(3)(A), (B) or (C) of
the United States Internal Revenue Code of 1986, as amended, and the regulations
thereunder), or (iii) are owned by a financial institution for purposes of
resale during the restricted period (as defined in United States Treasury
Regulations Section 1. 1635(c)(2)(i)(D)(7)), and, such financial institution
described in clause (iii) above (whether or not also described in clause (i) or
(ii)), certifies that it has not acquired the Securities for purposes of resale
directly or indirectly to a United States person or to a person within the
United States or its possessions.

      As used herein, "United States" means the United States of America
(including the States and the District of Columbia), and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

      We undertake to advise you promptly by tested telex on or prior to the
date on which you intend to submit your certification relating to the
above-captioned Securities held by you for our account in accordance with your
operating procedures if any applicable statement herein is not correct on such
date, and in the absence of any such notification it may be assumed that this
certification applies as of such date. This certificate excepts and does not
related to __________________________

                                       2
<PAGE>

(U.S. $) of such interest in the above-captioned Securities in respect of which
we are not able to certify and as to which we understand an exchange for an
interest in a permanent global Security or an exchange for and delivery of
definitive Securities (or, if relevant, collection of any interest) cannot be
made until we do so certify.

      We understand that this certificate may be required in connection with
certain tax legislation in the United States. If administrative or legal
proceedings are commenced or threatened in connection with which this
certificate is or would be relevant, we irrevocably authorize you to produce
this certificate or a copy thereof to any interested party in such proceedings.

      Dated: ______________, 19__ (To be dated no earlier than the 15th day
prior to the earlier of (i) the Exchange Date or (ii) the relevant Interest
Payment Date occurring prior to the Exchange Date, as applicable)

                                      __________________________________
                                      (Name of Person Making Certification)

                                      __________________________________
                                      (Authorized Signatory)

                                      Name: ____________________________

                                      Title: ___________________________

                                       3
<PAGE>

                                   EXHIBIT A-2

                  FORM OF CERTIFICATE TO BE GIVEN BY EUROCLEAR
                AND CEDEL S.A. IN CONNECTION WITH THE EXCHANGE OF
                 A PORTION OF A TEMPORARY GLOBAL SECURITY OR TO
               OBTAIN INTEREST PAYABLE PRIOR TO THE EXCHANGE DATE

     (Insert title or sufficient description of Securities to be delivered)

      This is to certify that, based solely on written certifications that we
have received in writing, by tested telex or by electronic transmission from
each of the persons appearing in our records as persons entitled to a portion of
the principal amount set forth below (our "Member Organizations") substantially
in the form attached hereto, as of the date hereof, _____________
_________________________ (U.S. $) principal amount of the above-captioned
Securities (i) is owned by person(s) that are not citizens or residents of the
United States, domestic partnerships, domestic corporations or any estate or
trust the income of which is subject to United States Federal income taxation
regardless of its source ("United States person(s)"), (ii) is owned by United
States person(s) that are (a) foreign branches of United States financial
institutions (financial institutions, as defined in United States Treasury
Regulations Section 1.165-12(c)(1)(v) are herein referred to as "financial
institutions") purchasing for their own account or for resale, or (b) United
States person(s) who acquired the Securities through foreign branches of United
States financial institutions and who hold the Securities through such United
States financial institutions on the date hereof (and in either case (a) or (b),
each such financial institution has agreed, on its own behalf or through its
agent, that we may advise ___________________ or its agent that such financial
institution will provide a certificate within a reasonable time stating that it
agrees to comply with the requirements of Section 165(j)(3)(A), (B), or (C) of
the Internal Revenue Code of 1986, as amended, and the regulations thereunder),
or (iii) is owned by a financial institution for purposes of resale during the
restricted period (as defined in United States Treasury Regulations Section
1.163-5(c)(2)(i)(D)(7)), and that such financial institutions described in
clause (iii) above (whether or not also described in clause (i) or (ii)) have
certified that they have not acquired the Securities for purposes of resale
directly or indirectly to a United States person or to a person within the
United States or its possessions.

      As used herein, "United States" means the United States of America
(including the States and the District of Columbia) and its "possessions"
include Puerto Rico, the U.S. Virgin Islands, Guam, American Samoa, Wake Island
and the Northern Mariana Islands.

      We further certify that (i) we are not making available herewith for
exchange (or, if relevant, collection of any interest) any portion of the
temporary global

                                       4
<PAGE>

Security representing the above-captioned Securities excepted in the
above-referenced certificates of Member Organizations and (ii) as of the date
hereof we have not received any notification from any of our Member
Organizations to the effect that the statements made by such Member
Organizations with respect to any portion of the part submitted herewith for
exchange (or, if relevant, collection of any interest) are no longer true and
cannot be relied upon as of the date hereof.

      We understand that this certification is required in connection with
certain tax legislation in the United States. If administrative or legal
proceedings are commenced or threatened in connection with which this
certificate is or would be relevant, we irrevocably authorize you to produce
this certificate or a copy thereof to any interested party in such proceedings.

Dated:_______________________ , 19__

(To be dated no earlier than the earlier of the
Exchange Date or the relevant Interest Payment Date
occurring prior to the Exchange Date, as applicable)

                                      _______________________________
                                      _______________________________,
                                      _______________________________as
                                      _______________________________

                                      By:_______________________________

                                       5
<PAGE>

                          CAPSTONE TURBINE CORPORATION

                                       TO

                                       [ ]

                                     TRUSTEE

                                    INDENTURE

                         DATED AS OF __________________

                          SUBORDINATED DEBT SECURITIES

                                       6
<PAGE>

                          CAPSTONE TURBINE CORPORATION

      Reconciliation and tie between Trust Indenture Act of 1939, as amended
(the "1939 Act"), and Indenture, dated as of _____________

<TABLE>
<CAPTION>
Trust Indenture Act Section                                                           Indenture Section
<S>                                                                                   <C>
310(a)(1).......................................................................               607
(a)(2)   607
(b)      608
312(c)   701
313(a)   702
(c)      702
314(a)(1), (2), (3).............................................................               703
(a)(4)   1010
(c)(1)   102
(c)(2)   102
(e)      102
315(b)   601
316(a)(last sentence)...........................................................      101 ("Outstanding")
(a)(1)(A).......................................................................            502, 512
(a)(1)(B).......................................................................               513
(b)      508
317(a)(1).......................................................................               503
(a)(2)   504
318(a)   112
(c)      112
</TABLE>

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

      Attention should also be directed to Section 318(c) of the 1939 Act, which
      provides that the provisions of Sections 310 to and including 317 of the
      1939 Act are a part of and govern every qualified indenture, whether or
      not physically contained therein.

                                       7
<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                      Page
<S>                                                                                                   <C>
ARTICLE ONE       DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION.........................      1
   SECTION 101.   Definitions.....................................................................      1
   SECTION 102.   Compliance Certificates and Opinions............................................     12
   SECTION 103.   Form of Documents Delivered to Trustee..........................................     12
   SECTION 104.   Acts of Holders.................................................................     13
   SECTION 105.   Notices, etc., to Trustee and Company...........................................     15
   SECTION 106.   Notice to Holders; Waiver.......................................................     15
   SECTION 107.   Effect of Headings and Table of Contents........................................     17
   SECTION 108.   Successors and Assigns..........................................................     17
   SECTION 109.   Separability Clause.............................................................     17
   SECTION 110.   Benefits of Indenture...........................................................     17
   SECTION 111.   No Personal Liability...........................................................     17
   SECTION 112.   Governing Law...................................................................     17
   SECTION 113.   Legal Holidays..................................................................     18

ARTICLE TWO       SECURITIES FORMS................................................................     18
   SECTION 201.   Forms of Securities.............................................................     18
   SECTION 202.   Form of Trustee's Certificate of Authentication.................................     19
   SECTION 203.   Securities Issuable in Global Form..............................................     19

ARTICLE THREE     THE SECURITIES..................................................................     20
   SECTION 301.   Amount Unlimited; Issuable in Series............................................     20
   SECTION 302.   Denominations...................................................................     24
   SECTION 303.   Execution, Authentication, Delivery and Dating..................................     24
   SECTION 304.   Temporary Securities............................................................     27
   SECTION 305.   Registration, Registration of Transfer and Exchange.............................     30
   SECTION 306.   Mutilated, Destroyed, Lost and Stolen Securities................................     33
   SECTION 307.   Payment of Interest; Interest Rights Preserved..................................     35
   SECTION 308.   Persons Deemed Owners...........................................................     37
   SECTION 309.   Cancellation....................................................................     38
   SECTION 310.   Computation of Interest.........................................................     38

ARTICLE FOUR      SATISFACTION AND DISCHARGE......................................................     38
   SECTION 401.   Satisfaction and Discharge of Indenture.........................................     38
   SECTION 402.   Application of Trust Funds......................................................     40

ARTICLE FIVE      REMEDIES........................................................................     40
   SECTION 501.   Events of Default...............................................................     41
</TABLE>

                                        i
<PAGE>

<TABLE>
<S>                                                                                                    <C>
   SECTION 502.   Acceleration of Maturity; Rescission and Annulment..............................     43
   SECTION 503.   Collection of Indebtedness and Suits for Enforcement by Trustee.................     44
   SECTION 504.   Trustee May File Proofs of Claim................................................     45
   SECTION 505.   Trustee May Enforce Claims Without Possession of Securities or Coupons..........     46
   SECTION 506.   Application of Money Collected..................................................     46
   SECTION 507.   Limitation on Suits.............................................................     46
   SECTION 508.   Unconditional Right of Holders to Receive Principal, Premium or Make-Whole
                  Amount, if any, Interest and Additional Amounts.................................     47
   SECTION 509.   Restoration of Rights and Remedies..............................................     47
   SECTION 510.   Rights and-Remedies Cumulative..................................................     48
   SECTION 511.   Delay or Omission Not Waiver....................................................     48
   SECTION 512.   Control by Holders of Securities................................................     48
   SECTION 513.   Waiver of Past Defaults.........................................................     49
   SECTION 514.   Waiver of Usury, Stay or Extension Laws.........................................     49
   SECTION 515.   Undertaking for Costs...........................................................     49

ARTICLE SIX       THE TRUSTEE.....................................................................     50
   SECTION 601.   Notice of Defaults..............................................................     50
   SECTION 602.   Certain Rights of Trustee.......................................................     50
   SECTION 603.   Not Responsible for Recitals or Issuance of Securities..........................     52
   SECTION 604.   May Hold Securities.............................................................     52
   SECTION 605.   Money Held in Trust.............................................................     52
   SECTION 606.   Compensation and Reimbursement..................................................     52
   SECTION 607.   Corporate Trustee Required; Eligibility; Conflicting Interests..................     53
   SECTION 608.   Resignation and Removal; Appointment of Successor...............................     53
   SECTION 609.   Acceptance of Appointment By Successor..........................................     55
   SECTION 610.   Merger, Conversion, Consolidation or Succession to Business.....................     56
   SECTION 611.   Appointment of Authenticating Agent.............................................     57

ARTICLE SEVEN     HOLDERS' LISTS AND REPORTS BY TRUSTEE AND TRUST.................................     58
   SECTION 701.   Disclosure of Names and Addresses of Holders....................................     58
   SECTION 702.   Reports by Trustee..............................................................     59
   SECTION 703.   Reports by Company..............................................................     59
   SECTION 704.   Company to Furnish Trustee Names and Addresses of Holders.......................     59

ARTICLE EIGHT     CONSOLIDATION, MERGER, SALE, LEASE OR CONVEYANCE................................     60
</TABLE>

                                       ii
<PAGE>

<TABLE>
<S>                                                                                                    <C>
   SECTION 801.   Consolidations and Mergers of Company and Sales, Leases and Conveyances
                  Permitted Subject to Certain Conditions.........................................     60
   SECTION 802.   Rights and Duties of Successor Corporation......................................     60
   SECTION 803.   Officers' Certificate and Opinion of Counsel....................................     61

ARTICLE NINE      SUPPLEMENTAL INDENTURES.........................................................     61
   SECTION 901.   Supplemental Indentures Without Consent of Holders..............................     61
   SECTION 902.   Supplemental Indentures with Consent of Holders.................................     63
   SECTION 903.   Execution of Supplemental Indentures............................................     64
   SECTION 904.   Effect of Supplemental Indentures...............................................     65
   SECTION 905.   Conformity with Trust Indenture Act.............................................     65
   SECTION 906.   Reference in Securities to Supplemental Indentures..............................     65
   SECTION 907.   Notice of Supplemental Indentures...............................................     65

ARTICLE TEN       COVENANTS.......................................................................     65
   SECTION 1001.  Payment of Principal, Premium or Make-Whole Amount, if any, Interest and
                  Additional Amounts..............................................................     65
   SECTION 1002.  Maintenance of Office or Agency.................................................     66
   SECTION 1003.  Money for Securities Payments to Be Held in Trust...............................     68
   SECTION 1004.  Additional Covenants............................................................     69
   SECTION 1005.  Existence.......................................................................     69
   SECTION 1006.  Maintenance of Properties.......................................................     70
   SECTION 1007.  Insurance.......................................................................     70
   SECTION 1008.  Payment of Taxes and Other Claims...............................................     70
   SECTION 1009.  Provision of Financial Information..............................................     70
   SECTION 1010.  Statement as to Compliance......................................................     71
   SECTION 1011.  Additional Amounts..............................................................     71
   SECTION 1012.  Waiver of Certain Covenants.....................................................     72

ARTICLE ELEVEN    REDEMPTION OF SECURITIES........................................................     73
   SECTION 1101.  Applicability of Article........................................................     73
   SECTION 1102.  Election to Redeem; Notice to Trustee...........................................     73
   SECTION 1103.  Selection by Trustee of Securities to Be Redeemed...............................     73
   SECTION 1104.  Notice of Redemption............................................................     74
   SECTION 1105.  Deposit of Redemption Price.....................................................     75
   SECTION 1106.  Securities Payable on Redemption Date...........................................     75
   SECTION 1107.  Securities Redeemed in Part.....................................................     77

ARTICLE TWELVE    [RESERVED]......................................................................     77

ARTICLE THIRTEEN  [RESERVED]......................................................................     77

ARTICLE FOURTEEN  DEFEASANCE AND COVENANT DEFEASANCE..............................................     77
</TABLE>

                                       iii
<PAGE>

<TABLE>
<S>                                                                                                    <C>
   SECTION 1401.  Applicability of Article; Company's Option to Effect Defeasance or Covenant
                  Defeasance......................................................................     77
   SECTION 1402.  Defeasance and Discharge........................................................     77
   SECTION 1403.  Covenant Defeasance.............................................................     78
   SECTION 1404.  Conditions to Defeasance or Covenant Defeasance.................................     79
   SECTION 1405.  Deposited Money and Government Obligations to Be Held in Trust; Other
                  Miscellaneous Provisions........................................................     81

ARTICLE FIFTEEN   MEETINGS OF HOLDERS OF SECURITIES...............................................     82
   SECTION 1501.  Purposes for Which Meetings May Be Called.......................................     82
   SECTION 1502.  Call, Notice and Place of Meetings..............................................     82
   SECTION 1503.  Persons Entitled to Vote at Meetings............................................     83
   SECTION 1504.  Quorum; Action..................................................................     83
   SECTION 1505.  Determination of Voting Rights; Conduct and Adjournment of Meetings.............     84
   SECTION 1506.  Counting Votes and Recording Action of Meetings.................................     85
   SECTION 1507.  Evidence of Action Taken by Holders.............................................     86
   SECTION 1508.  Proof of Execution of Instruments...............................................     86

ARTICLE SIXTEEN   SUBORDINATION...................................................................     86
   SECTION 1601.  Agreement to Subordinate........................................................     86
   SECTION 1602.  Liquidation; Dissolution; Bankruptcy............................................     86
   SECTION 1603.  Default on Senior Debt..........................................................     87
   SECTION 1604.  Acceleration of Securities......................................................     88
   SECTION 1605.  When Distribution Must Be Paid Over.............................................     88
   SECTION 1606.  Notice by Company...............................................................     88
   SECTION 1607.  Subrogation.....................................................................     88
   SECTION 1608.  Relative Rights.................................................................     88
   SECTION 1609.  Subordination May Not Be Impaired by Company....................................     89
   SECTION 1610.  Distribution or Notice to Representative........................................     89
   SECTION 1611.  Rights of Trustee and Paying Agent..............................................     89
</TABLE>

                                       iv<PAGE>

                          SIXTH MODIFICATION AGREEMENT             Exhibit 10.18
                   OF THE REVOLVING LOAN AND CREDIT AGREEMENT

      THIS SIXTH MODIFICATION AGREEMENT OF THE REVOLVING LOAN AND CREDIT
AGREEMENT (hereafter the "Sixth Modification") made and entered into this 29th
day of July, 2005, to be effective as of the 29th day of July, 2005, by and
among REGIONS BANK, successor in interest to UNION PLANTERS BANK NATIONAL
ASSOCIATION, with its principal office at 6200 Poplar Avenue, Memphis, Tennessee
("Lender"); SUNTRUST BANK, a Georgia banking corporation with its principal
office at 850 Ridge Lake Blvd., Fourth Floor, Memphis, Tennessee 38120 (the
"Documentation Agent"); FRED'S, INC., a Tennessee corporation having its
principal offices at 4300 New Getwell Road, Memphis, Tennessee (the "Borrower");
and FRED'S STORES OF TENNESSEE, INC. (the "Guarantor").

      WHEREAS, Borrower is justly indebted to Lender for Advances made to
Borrower evidenced by that certain Promissory Note dated April 3, 2000 (the
"Note"), in the original principal amount of Forty Million Dollars ($40,000,000)
and that certain Credit Agreement dated March 28, 2000, effective April 3, 2000
(herein the "Credit Agreement"), providing for advances up to a maximum of Forty
Million Dollars ($40,000,000);

      WHEREAS, Borrower and Lender entered into a Modification Agreement (the
"First Modification") dated May 26, 2000, providing, among other things, that
the Note, originally payable on demand, would mature and be due and payable on
April 3, 2003;

      WHEREAS, Borrower and Lender entered into a second Modification Agreement
(the "Second Modification") dated April 30, 2002, providing, among other things,
that the Note would be due and payable on March 31, 2004;

      WHEREAS, Borrower and Lender entered into a third Modification Agreement
(the "Third Modification") dated July 31, 2003, providing, among other things,
that the Note would be due and payable on July 31, 2006;

      WHEREAS, Borrower and Lender entered into a fourth Modification Agreement
(the "Fourth Modification") dated June 28, 2004, providing, among other things,
that the Note would be increased to Fifty Million and 00/100 Dollars
($50,000,000.00) until December 15, 2004, at which time it will revert to
$40,000,000.00 until July 31 2006;

      WHEREAS, Borrower and Lender entered into a fifth Modification Agreement
(the "Fifth Modification") dated October 19, 2004, effective October 20, 2004,
in which Lender granted Borrower an additional temporary increase in the
Commitment, in the amount of Ten Million and 00/100 Dollars ($10,000,000.00) (in
addition to and having the same maturity as the increase created by the Fourth
Modification) (the "Temporary Overline"), causing the Commitment to temporarily
increase from Forty Million and 00/100 Dollars ($40,000,000.00) to Sixty Million
and 00/100 Dollars ($60,000,000.00); and

      WHEREAS, Borrower and Lender desire to amend the Credit Facility, to
increase the Commitment, in the amount of Ten Million and 00/100 Dollars
($10,000,000.00) (the "Increase"), causing the Commitment to increase from Forty
Million and 00/100 Dollars ($40,000,000.00) to Fifty Million and No/100
($50,000,000.00); to extend the Maturity Date from July 31, 2006 to July 31,
2009; to amend Section 6.1.1.2 to include a reporting date equal to sixty (60)
days after the end of the fiscal quarter; and to amend Section 7.1 to increase
the other indebtedness from not exceeding Five Million and 00/100 Dollars
($5,000,000.00) to not exceeding Twenty Million and 00/100 Dollars
($20,000,000.00).

      NOW THEREFORE, in consideration of the premises and of other good and
valuable consideration, the adequacy and receipt of which are hereby
acknowledged, the parties hereto agree as follows:

      1.    Increase of Commitment: Borrower, Lender and Documentation Agent
            each agree that the Commitment shall be increased by the amount of
            the Increase, effective July 31, 2005, and that the Commitment,
            which includes the Increase, shall be immediately due and payable as
            of July 31, 2009 (such period of time to be referred to as the
            "Maturity Date").

      2.    Other Indebtedness: Borrower, Lender and Documentation Agent each
            agree that Borrower shall not incur any other Indebtedness in excess
            of Twenty Million and 00/100 Dollars ($20,000,000.00), which
            increases the other Indebtedness allowed by Fifteen Million and
            00/100 Dollars ($15,000,000.00).

      3.    Notation: Lender and Documentation Agent covenant and agree to make
            a notation upon their respective records showing that the Note and
            Agreement has been modified as set forth herein.

<PAGE>

      4.    Origination Fee. In consideration of the grant of the Increase by
            Lender, Borrower shall pay an origination fee ("Origination Fee") in
            an amount equal to six and a quarter basis points (6.25 bp) of the
            Commitment, equaling the sum of Thirty One Thousand Two Hundred
            Fifty and 00/100 Dollars ($31,250.00). The amount shall be pro rated
            based upon the Participation and the Credit Facility. SunTrust shall
            receive Thirty Seven and One Half Percent (37.5%) of the $31,250.00,
            while Regions shall receive Sixty Two and One Half (62.5%) of the
            $31,250.00.

      5.    Continuation of Terms. All of the terms, covenants and conditions of
            the Note, as modified by the First Modification, the Second
            Modification, Third Modification, Fourth Modification, and Fifth
            Modification and the Credit Agreement or any other document executed
            in connection therewith, are, to the extent not inconsistent with
            the terms herein, hereby incorporated herein by reference. It is
            expressly understood and agreed that the terms, covenants and
            conditions of all instruments evidencing or securing the
            indebtedness evidenced by the Note shall remain in full force and
            effect, and shall in no manner be affected by the execution of this
            Sixth Modification except as the same are expressly modified herein.
            It is further expressly understood and agreed that the Participation
            Period of Documentation Agent, as set forth in that certain
            Participation Agreement, by and between the parties, dated as of
            March 28, 2000, shall be extended and remain in full force and
            effect, and shall terminate on July 31, 2009, as modified by the
            Modification to Participation Agreement, dated the 29th day of July,
            2005, effective the 29th day of July, 2005. Furthermore, Borrower
            presently covenants, represents and warrants that it is full and
            current compliance with all covenants, representations and
            warranties contained in the Credit Agreement.

      6.    Reporting Requirements. Borrower will provide Lender with a copy of
            its Form 10-Q filed with the Securities Exchange Commission for the
            same quarter within sixty (60) days of the end of each quarter.

      7.    Incorporation by Reference. The parties hereby incorporate by
            reference the Credit Agreement, First Modification, Second
            Modification, Third Modification, Fourth Modification, Fifth
            Modification, and Participation Agreement.

      8.    No Discharge. The execution and delivery of this Sixth Modification
            does not discharge the obligors, sureties, endorsers or guarantors
            of the Note, and all rights of the Lender against any and all of
            same are expressly reserved.

      9.    Successors in Interest. This Sixth Modification shall be binding
            upon and inure to the benefit of the parties hereto, their
            respective successors and assigns, transferees and grantees.

      10.   Governing Law: This Sixth Modification shall be construed in
            accordance with the laws of the State of Tennessee and the parties
            hereto subject themselves to the jurisdiction of Tennessee and venue
            of the Courts of Shelby County, Tennessee for the resolution of any
            dispute hereunder.

      11.   Undefined Terms: All capitalized terms not defined herein shall have
            the same definitions as set forth in the Credit Agreement.

      12.   Guarantor: The undersigned Guarantor joins and agrees with the terms
            of this Sixth Modification and recognizes its continued obligation
            to pay the entire indebtedness as hereby amended and under the terms
            of its original Guaranty.

                  [Remainder of page left intentionally blank.]

<PAGE>

      IN WITNESS WHEREOF, the parties have executed this Sixth Modification
Agreement of the Revolving Loan and Credit Agreement as of the day and year
first above written.

                                         BORROWER:

                                         FRED'S INC., a Tennessee corporation

                                         By: /s/Jerry A. Shore
                                             ----------------------
                                         Name: Jerry A. Shore

                                         Title: EVP and Chief Financial Officer

STATE OF TENNESSEE

COUNTY OF SHELBY

      Before me personally appeared, Jerry A. Shore, with whom I am personally
acquainted (or proved to me on the basis of satisfactory evidence) and who, upon
oath, acknowledged himself to be the EVP and CFO of FRED'S, INC., a Tennessee
corporation, and that he as such officer being duly authorized so to do,
executed the foregoing instrument for the purpose therein contained by signing
the name of the company by himself as such officer.

      WITNESS MY HAND AND OFFICIAL SEAL, at office this 28th day of July 2005.

                                              Terri L Johnson

                                              Notary Public

My Commission Expires:
December 28, 2008

<PAGE>

      IN WITNESS WHEREOF, the parties have executed this Sixth Modification
Agreement of the Revolving Loan and Credit Agreement as of the day and year
first above written.

                                         GUARANTOR AND SUBSIDIARY OF BORROWER:

                                         FRED'S STORES OF TENNESSEE, INC.,
                                         a Tennessee corporation

                                         By: /s/Jerry A. Shore
                                             -----------------------------------

                                         Name: Jerry A. Shore

                                         Title: Vice President

STATE OF TENNESSEE

COUNTY OF SHELBY

      Before me personally appeared, Jerry A. Shore, with whom I am personally
acquainted (or proved to me on the basis of satisfactory evidence) and who, upon
oath, acknowledged himself to be the Vice President of FRED'S STORES OF
TENNESSEE, INC., a Tennessee corporation, and that he as such officer being duly
authorized so to do, executed the foregoing instrument for the purpose therein
contained by signing the name of the company by himself as such officer.

      WITNESS MY HAND AND OFFICIAL SEAL, at office this 28th day of July 2005.

                                              Terri L Johnson

                                              Notary Public

My Commission Expires:
December 28, 2008

<PAGE>

      IN WITNESS WHEREOF, the parties have executed this Sixth Modification
Agreement of the Revolving Loan and Credit Agreement as of the day and year
first above written.

                                        LENDER:

                                        REGIONS BANK, successor in interest to
                                        UNION PLANTERS BANK NATIONAL ASSOCIATION

                                        By: /s/ James Gummel
                                            ------------------------------------
                                            James Gummel

                                            Senior Vice President

STATE OF TENNESSEE

COUNTY OF SHELBY

      Before me personally appeared, James Gummel, with whom I am personally
acquainted (or proved to me on the basis of satisfactory evidence) and who, upon
oath, acknowledged himself to be a SVP of REGIONS BANK, successor in interest to
UNION PLANTERS BANK NATIONAL ASSOCIATION, and that he as such officer being duly
authorized so to do, executed the foregoing instrument for the purpose therein
contained by signing the name of the bank by himself as such officer.

      WITNESS MY HAND AND OFFICIAL SEAL, at office this 29th day of July 2005.

                                              Lasandra Cleaves

                                              Notary Public

My Commission Expires:
December 30, 2007

<PAGE>

      IN WITNESS WHEREOF, the parties have executed this Sixth Modification
Agreement of the Revolving Loan and Credit Agreement as of the day and year
first above written.

                                    DOCUMENTATION AGENT:

                                    SUNTRUST BANK, a Georgia banking corporation

                                    By: /s/ Bryan W. Ford
                                        ----------------------------------------

                                    Name: Bryan W. Ford

                                    Title: Director

STATE OF TENNESSEE

COUNTY OF SHELBY

      Before me personally appeared, Bryan W. Ford, with whom I am personally
acquainted (or proved to me on the basis of satisfactory evidence) and who, upon
oath, acknowledged himself to be a Director of SUNTRUST BANK, a Georgia banking
corporation, and that he as such officer being duly authorized so to do,
executed the foregoing instrument for the purpose therein contained by signing
the name of the bank by himself as such officer.

      WITNESS MY HAND AND OFFICIAL SEAL, at office this 29th day of July 2005.

                                              Judy B. Carmichael

                                              Notary Public

My Commission Expires:
September 19, 2007

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