STAPLES INC
S-3, 1997-07-14
MISCELLANEOUS SHOPPING GOODS STORES
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<PAGE>   1
 
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 14, 1997
                                           REGISTRATION STATEMENT NO. 333-
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
                                    FORM S-3
                            ------------------------
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                            ------------------------
                                 STAPLES, INC.
             (Exact name of registrant as specified in its charter)
                            ------------------------
 
<TABLE>
<S>                                                <C>
                     DELAWARE                                          04-2896127
 (State or other jurisdiction of incorporation or         (I.R.S. Employer Identification No.)
                    organization)
</TABLE>
 
      ONE RESEARCH DRIVE, WESTBOROUGH, MASSACHUSETTS 01581  (508) 370-8500
  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)
                            ------------------------
                             PETER M. SCHWARZENBACH
                       VICE PRESIDENT AND GENERAL COUNSEL
                                 STAPLES, INC.
                     100 PENNSYLVANIA AVENUE, P.O. BOX 9328
              FRAMINGHAM, MASSACHUSETTS 01701-9328  (508) 370-8500
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
                            ------------------------
                                   COPIES TO:
 
<TABLE>
<S>                                                <C>
               MARK G. BORDEN, ESQ.                             PATRICIA A. CERUZZI, ESQ.
                 HALE AND DORR LLP                                 SULLIVAN & CROMWELL
   60 STATE STREET, BOSTON, MASSACHUSETTS 02109        125 BROAD STREET, NEW YORK, NEW YORK 10004
             TELEPHONE: (617) 526-6000                          TELEPHONE: (212) 558-4000
             TELECOPY: (617) 526-5000                           TELECOPY: (212) 558-3588
</TABLE>
 
     APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO PUBLIC: AS SOON AS
PRACTICABLE AFTER THE EFFECTIVE DATE OF THE REGISTRATION STATEMENT AS THE
REGISTRANT SHALL DETERMINE.
     If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the following
box.  [ ]
     If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box.  [X]
     If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering.  [ ]
     If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.  [ ]
     If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.  [ ]
 
                        CALCULATION OF REGISTRATION FEE
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
<S>                          <C>                <C>                <C>                <C>
     TITLE OF EACH CLASS                         PROPOSED MAXIMUM   PROPOSED MAXIMUM
     OF SECURITIES TO BE           AMOUNT         OFFERING PRICE   AGGREGATE OFFERING      AMOUNT OF
         REGISTERED           TO BE REGISTERED      PER UNIT(1)         PRICE(1)       REGISTRATION FEE
 
<CAPTION>
- ---------------------------------------------------------------------------------------------------------
<S>                          <C>                <C>                <C>                <C>
Debt Securities..............   $500,000,000(2)        100%           $500,000,000        $151,515.16
=========================================================================================================
</TABLE>
 
(1) Estimated solely for the purpose of calculating the registration fee.
(2) Or its equivalent in any other currency or composite currency.
 
     The Registrant hereby amends this Registration Statement on such date or
dates as may be necessary to delay its effective date until the Registrant shall
file a further amendment which specifically states that this Registration
Statement shall thereafter become effective in accordance with Section 8(a) of
the Securities Act of 1933 or until the Registration Statement shall become
effective on such date as the Commission, acting pursuant to said Section 8(a),
shall determine.
================================================================================
<PAGE>   2
 
    INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
    REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
    SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR
    MAY OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT
    BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR
    THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE
    SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE
    UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS
    OR ANY SUCH STATE.
 
                   SUBJECT TO COMPLETION, DATED JULY 14, 1997
 
                                  $500,000,000
 
                               [LOGO OF STAPLES]
 
                                DEBT SECURITIES
 
                            ------------------------
 
     Staples, Inc. (the "Company") may from time to time offer its unsecured
debt securities consisting of debentures, notes or other unsecured evidences of
indebtedness (the "Debt Securities") in one or more series and in amounts, at
prices and on terms to be determined at the time of the offering. Such Debt
Securities may be either senior (the "Senior Debt Securities") or subordinated
(the "Subordinated Debt Securities"). The principal amount of the Debt
Securities offered hereby will not exceed U.S. $500,000,000 or its equivalent in
any other currency, currency unit or composite currency determined at the
applicable exchange rate at the time of sale.
 
     The accompanying Prospectus Supplement (the "Prospectus Supplement") sets
forth, where applicable, the designation or title of such Debt Securities, the
maturity of such Debt Securities, the aggregate principal amount, premium (if
any), the rate or rates of interest (which may be fixed or variable) or the
method of calculation, and the date or dates and place or places of payment
thereof, any terms for redemption at the option of the Company or the holder,
any terms for sinking fund payments, the currency or currencies, currency unit
or units or composite currency or currencies in which such Debt Securities will
be denominated (if other than U.S. dollars), any terms of subordination, the
form of such Debt Securities (which may be in registered or global form) and the
initial public offering price, the purchase price and net proceeds to the
Company. The Prospectus Supplement also sets forth information, as applicable,
concerning certain material United States Federal income tax considerations
relating to the particular Debt Securities offered thereby.
 
     The Company may sell Debt Securities to or through underwriters, and may
also sell Debt Securities directly to other purchasers or through agents. The
accompanying Prospectus Supplement sets forth the names of any underwriters or
agents involved in the sale of the Debt Securities in respect of which this
Prospectus is being delivered, the principal amounts, if any, to be purchased by
such underwriters and the compensation, if any, of such underwriters or agents.
See "Plan of Distribution."
 
                            ------------------------
 
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
 EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
   AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
                               CRIMINAL OFFENSE.
 
         THE DATE OF THIS PROSPECTUS IS                         , 1997.
<PAGE>   3
 
                             AVAILABLE INFORMATION
 
     The Company is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith, files reports, proxy and information statements and other information
with the Securities and Exchange Commission (the "Commission"). Such reports,
proxy and information statements and other information can be inspected and
copied at the public reference facilities maintained by the Commission at 450
Fifth Street, N.W., Room 1024, Washington, D.C. 20549, and at the Commission's
regional offices at 500 West Madison Street, Suite 1400, Chicago, Illinois
60661, and at 7 World Trade Center, Suite 1300, New York, New York 10048; and
copies of such material can be obtained at prescribed rates from the Public
Reference Section of the Commission at 450 Fifth Street, N.W., Washington, D.C.
20549. Such material may also be accessed through the Commission's electronic
data gathering, analysis and retrieval system ("EDGAR") via electronic means,
including the Commission's web site on the Internet (http://www.sec.gov). The
Company's Common Stock is listed on the Nasdaq National Market and reports,
proxy and information statements and other information concerning the Company
can be inspected at the offices of the National Association of Securities
Dealers, Inc., Market Listing Section, 1801 K Street, N.W., 8th Floor,
Washington, D.C. 20006.
 
     This Prospectus constitutes a part of a Registration Statement on Form S-3
(the "Registration Statement") filed by the Company with the Commission under
the Securities Act of 1933, as amended (the "Securities Act"). This Prospectus
does not contain all of the information set forth in such Registration
Statement, certain parts of which are omitted in accordance with the rules and
regulations of the Commission. Reference is made to such Registration Statement
and to the exhibits relating thereto for further information with respect to the
Company and the Debt Securities. Any statements contained herein concerning the
provisions of any document filed as an exhibit to the Registration Statement or
otherwise filed with the Commission or incorporated by reference herein are not
necessarily complete, and, in each instance, reference is made to the copy of
such document so filed for a more complete description of the matter involved.
Each such statement is qualified in its entirety by such reference.
 
               INCORPORATION OF CERTAIN INFORMATION BY REFERENCE
 
     The following documents, which have been filed with the Commission pursuant
to the Exchange Act, are incorporated herein by reference:
 
          (a) The Company's Annual Report on Form 10-K for the fiscal year ended
              February 1, 1997;
 
          (b) The Company's Quarterly Report on Form 10-Q for the fiscal quarter
              ended May 3, 1997; and
 
          (c) The Company's Current Reports on Form 8-K dated May 27, 1997, June
              26, 1997 and July 2, 1997.
 
     All documents filed by the Company pursuant to Sections 13(a), 13(c), 14 or
15(d) of the Exchange Act, subsequent to the date of this Prospectus and prior
to the termination of the offering of the Debt Securities shall be deemed to be
incorporated by reference into this Prospectus and to be a part hereof from the
date of filing of any such document. Any statement contained in a document
incorporated or deemed to be incorporated by reference herein or in any
Prospectus Supplement shall be deemed to be modified by or superseded for
purposes of this Prospectus or any Prospectus Supplement to the extent that a
statement contained herein or therein or in any other subsequently filed
document which also is or is deemed to be incorporated by reference herein or
therein modifies or supersedes such statement. Any such statement so modified or
superseded shall not be deemed, except as so modified or superseded, to
constitute a part of this Prospectus or any Prospectus Supplement.
 
     A copy of any document or part thereof incorporated by reference in the
registration statement of which this Prospectus constitutes a part (not
including exhibits to the information that is incorporated by reference unless
such exhibits are specifically incorporated by reference into the information
that the registration statement incorporates) shall be provided without charge
to each person, including any beneficial owner, to whom a copy of this
Prospectus is delivered, upon written or oral request made to the Company at One
Research Drive, Westborough, Massachusetts 01581, Attention: General Counsel and
Secretary, (508) 370-8500.
 
                                        2
<PAGE>   4
 
                                  THE COMPANY
 
     The Company pioneered the office supplies superstore concept in 1986 and is
a leading office supplies distributor with a total of 669 retail stores located
in the United States, Canada, the United Kingdom and Germany as of July 5, 1997,
in addition to a direct mail delivery business and contract stationer
operations. The Company's executive offices are located at One Research Drive,
Westborough, Massachusetts 01581 (telephone: (508) 370-8500). The Company was
organized in November 1985.
 
                                USE OF PROCEEDS
 
     The net proceeds to be received by the Company from the sale of the Debt
Securities will be used as set forth in a Prospectus Supplement relating to such
Debt Securities.
 
                       RATIO OF EARNINGS TO FIXED CHARGES
 
     The following table sets forth the ratio of earnings to fixed charges for
the Company for the periods indicated:
 
<TABLE>
<CAPTION>
                                                                                    THREE MONTHS
                               FISCAL YEAR ENDED                                        ENDED
- --------------------------------------------------------------------------------    -------------
   JANUARY 30,        JANUARY 29,     JANUARY 28,     FEBRUARY 3,    FEBRUARY 1,       MAY 3,
       1993               1994            1995           1996           1997            1997
- ------------------    ------------    ------------    -----------    -----------    -------------
<S>                   <C>             <C>             <C>            <C>            <C>
       2.72               2.37            2.85           2.91           2.83            1.73
</TABLE>
 
     The ratios of earnings to fixed charges were computed by dividing (i) the
sum of (a) net income, including equity in loss of affiliates, before deducting
extraordinary items, the provision for income taxes and (b) fixed charges
(excluding capitalized interest), by (ii) total fixed charges. Fixed charges
consist of interest on debt, including amortization of debenture costs, and rent
expense, which is estimated by management to be the interest component of such
rentals.
 
                                        3
<PAGE>   5
 
                         DESCRIPTION OF DEBT SECURITIES
 
     The following description sets forth certain general terms and provisions
of the Debt Securities to which any Prospectus Supplement may relate. The
particular terms of the Debt Securities offered by any Prospectus Supplement and
the extent, if any, to which such general provisions may not apply to the Debt
Securities so offered will be described in the Prospectus Supplement relating to
such Debt Securities.
 
     The Senior Debt Securities are to be issued under an Indenture to be dated
as of                , 1997 (the "Senior Indenture") between the Company and The
Chase Manhattan Bank, as trustee (the "Senior Trustee"). The Subordinated Debt
Securities are to be issued under a separate Indenture to be dated
               , 1997 (the "Subordinated Indenture)" between the Company and The
Chase Manhattan Bank, as trustee (the "Subordinated Trustee"). A copy of the
form of each such Indenture has been filed as an exhibit to the Registration
Statement. The Senior Indenture and the Subordinated Indenture are sometimes
referred to herein collectively as the "Indentures" and the Senior Trustee and
the Subordinated Trustee are sometimes referred to herein collectively as the
"Trustees." The following summaries of certain provisions of the Debt Securities
and the Indentures do not purport to be complete and are subject to, and are
qualified in their entirety by reference to, all the provisions of the
Indentures, including the definitions therein of certain terms. Wherever
particular Sections, Articles or defined terms of the Indentures are referred
to, it is intended that such Sections, Articles or defined terms shall be
incorporated herein by reference. Article and Section references used herein are
references to the Indentures. Capitalized terms not otherwise defined herein
shall have the respective meanings given to them in the Indentures.
 
GENERAL
 
     The Debt Securities will be unsecured obligations of the Company and, with
respect to Senior Debt Securities, unless otherwise provided in the Prospectus
Supplement relating to such Debt Securities, will rank on a parity with all
other unsecured and unsubordinated debt of the Company.
 
     The Indentures do not limit the aggregate principal amount of Debt
Securities that may be issued thereunder and provide that Debt Securities may be
issued thereunder from time to time in one or more series. Reference is made to
the Prospectus Supplement relating to the particular Debt Securities offered
thereby (the "Offered Debt Securities") which shall set forth the following
terms, as applicable, of the Offered Debt Securities: (1) the title of the
Offered Debt Securities; (2) any limit on the aggregate principal amount of the
Offered Debt Securities; (3) the price (expressed as a percentage of the
aggregate principal amount thereof) at which the Offered Debt Securities will be
issued; (4) the Person to whom any interest on the Offered Debt Securities will
be payable, if other than the Person in whose name such Offered Debt Securities
(or one or more predecessor Securities) are registered on any Regular Record
Date; (5) the date or dates on which the principal of the Offered Debt
Securities will be payable; (6) the rate or rates per annum (which may be fixed,
floating or adjustable) at which the Offered Debt Securities will bear interest,
if any, or the formula pursuant to which such rate or rates shall be determined,
the date or dates from which such interest will accrue and the dates on which
such interest, if any, will be payable and the Regular Record Dates for such
interest payment dates; (7) the place or places where principal of (and premium,
if any) and interest, if any, on Offered Debt Securities will be payable; (8) if
applicable, the price at which, the periods within which and the terms and
conditions upon which the Offered Debt Securities may be redeemed, in whole or
in part, at the option of the Company, pursuant to a sinking fund or otherwise;
(9) if applicable, any obligation of the Company to redeem or purchase Offered
Debt Securities pursuant to any sinking fund or analogous provisions or at the
option of a Holder thereof, and the period or periods within which, the price or
prices at which and the terms and conditions upon which the Offered Debt
Securities will be redeemed or purchased, in whole or in part; (10) if other
than denominations of $1,000 and any integral multiple thereof, the
denominations in which the Offered Debt Securities will be issuable; (11) the
currency or currencies, including composite currencies or currency units, in
which payment of the principal of (or premium, if any) or interest, if any, on
any of the Offered Debt Securities will be payable if other than the currency of
the United States of America; (12) if the amount of payments of principal of (or
premium, if any) or interest, if any, on the Offered Debt Securities may be
determined with reference to one or more indices, the manner in which such
amounts will be determined; (13) if the principal of (or premium, if any) or
interest, if any, on any of the Offered Debt Securities of the
 
                                        4
<PAGE>   6
 
series is to be payable, at the election of the Company or a Holder thereof, in
one or more currencies, including composite currencies, or currency units other
than that or those in which the Securities are stated to be payable, the
currency, currencies, including composite currencies, or currency units in which
payment of the principal of (or premium, if any) or interest, if any, on
Securities of such series as to which such election is made will be payable, and
the periods within which and the terms and conditions upon which such election
is to be made; (14) the portion of the principal amount of the Offered Debt
Securities, if other than the entire principal amount thereof, payable upon
acceleration of maturity thereof; (15) whether all or any part of the Offered
Debt Securities will be issued in the form of a permanent Global Security or
Securities, as described under "Global Securities", and, if so, the depositary
for, and other terms relating to, such permanent Global Security or Securities;
(16) any event or events of default applicable with respect to the Offered Debt
Securities in addition to those provided in the Indenture and any event or
events of default contained in the Indenture which will not be applicable with
respect to the Offered Debt Securities; (17) any other covenant or warranty
included for the benefit of the Offered Debt Securities in addition to (and not
inconsistent with) those included in the Indenture for the benefit of Debt
Securities of all series, or any other covenant or warranty included for the
benefit of the Offered Debt Securities in lieu of any covenant or warranty
included in the Indenture for the benefit of Offered Debt Securities, or any
combination of such covenants, warranties or provisions; (18) any restriction or
condition on the transferability of the Offered Debt Securities; (19) if
applicable, that such Offered Debt Securities, in whole or any specified part,
are not defeasible pursuant to the provisions of the Indenture described under
"Defeasance and Covenant Defeasance"; (20) any authenticating or paying agents,
registrars, conversion agents or any other agents with respect to the Offered
Debt Securities; and (21) any other specific terms or provisions of the Offered
Debt Securities not inconsistent with the Indenture. (Section 301)
 
     Debt Securities may be issued under the Indentures as Original Issue
Discount Debt Securities to be offered and sold at a substantial discount below
their stated principal amount. Special Federal income tax, accounting and other
considerations applicable thereto will be described in the Prospectus Supplement
relating thereto. "Original Issue Discount Debt Security" means any Debt
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
upon the occurrence and continuance of an Event of Default. (Section 101)
 
     If the Debt Securities are denominated in whole or in part in any currency
other than United States dollars, if the principal of (and premium, if any) or
interest, if any, on the Debt Securities are to be payable, at the election of
the Company or a Holder thereof, in a currency or currencies other than that in
which such Debt Securities are to be payable, or if any index is used to
determine the amount of payments of principal of, premium, if any, or interest
on any series of the Debt Securities, special Federal income tax, accounting and
other considerations applicable thereto will be described in the Prospectus
Supplement relating thereto.
 
     Except as described under "Restrictions on Merger and Sale of Assets;
Subsidiary Guarantees", the Indentures do not contain any provisions that would
provide protection to Holders of the Debt Securities against a sudden and
dramatic decline in credit quality of the Company resulting from any takeover,
recapitalization or similar restructuring or from other highly leveraged
transactions.
 
FORM, EXCHANGE AND TRANSFER
 
     The Debt Securities of each series will be issuable only in fully
registered form, without coupons, and, unless otherwise specified in the
applicable Prospectus Supplement, only in denominations of $1,000 and integral
multiples thereof. (Section 302)
 
     At the option of the Holder, subject to the terms of the Indentures and the
limitations applicable to Global Securities, Debt Securities of each series will
be exchangeable for other Debt Securities of the same series of any authorized
denomination and of a like tenor and aggregate principal amount. (Section 305)
 
     Subject to the terms of the Indentures and the limitations applicable to
Global Securities, Debt Securities may be presented for exchange as provided
above or for registration of transfer (duly endorsed or with the form of
transfer endorsed thereon duly executed) at the office of the Security Registrar
or at the office of any transfer agent designated by the Company for such
purpose. No service charge will be made for any registration of transfer or
exchange of Debt Securities, but the Company may require payment of a sum
 
                                        5
<PAGE>   7
 
sufficient to cover any tax or other governmental charge payable in connection
therewith. Such transfer or exchange will be effected upon the Security
Registrar or such transfer agent, as the case may be, being satisfied with the
documents of title and identity of the person making the request. The Company
has appointed the Trustees as Security Registrars. Any transfer agent (in
addition to the Security Registrar) initially designated by the Company for any
Securities will be named in the applicable Prospectus Supplement. (Section 305)
The Company may at any time designate additional transfer agents or rescind the
designation of any transfer agent or approve a change in the office through
which any transfer agent acts, except that the Company will be required to
maintain a transfer agent in each Place of Payment for the Debt Securities of
each series. (Section 1002)
 
     If the Debt Securities of any series (or of any series and specified terms)
are to be redeemed in part, the Company will not be required to (i) issue,
register the transfer of or exchange any Debt Security of that series (or of
that series and specified terms, as the case may be) during a period beginning
at the opening of business 15 days before the day of mailing of a notice of
redemption of any such Debt Security that may be selected for redemption and
ending at the close of business on the day of such mailing or (ii) register the
transfer of or exchange any Debt Security so selected for redemption, in whole
or in part, except the unredeemed portion of any such Debt Security being
redeemed in part. (Section 305)
 
COVENANTS
 
     Unless otherwise set forth in the applicable Prospectus Supplement, the
following covenants are only applicable to the Senior Debt Securities.
 
  Limitation on Liens
 
     The Senior Indenture provides that the Company may not, and may not permit
any Principal Subsidiary to, create or suffer to exist any Lien to secure any
Indebtedness of the Company or any Subsidiary upon any Principal Property, or
upon shares of capital stock or evidences of Indebtedness issued by any
Principal Subsidiary and owned by the Company or any Principal Subsidiary
(whether such Principal Property, shares or evidences of indebtedness were owned
as of the date of the Senior Indenture or thereafter acquired), without making,
or causing such Principal Subsidiary to make, effective provision to secure all
of the Senior Debt Securities issued under the Senior Indenture from time to
time Outstanding by such Lien, equally and ratably with any and all other
Indebtedness thereby secured, so long as such Indebtedness is so secured,
unless, after giving effect thereto, the sum of (A) the principal amount of
Indebtedness secured by all Liens incurred after the date of the Senior
Indenture and otherwise prohibited by the Senior Indenture and (B) the
Attributable Value of all Sale and Leaseback Transactions entered into after the
date of the Senior Indenture and otherwise prohibited by the Senior Indenture
does not exceed 10% of Consolidated Net Tangible Assets of the Company. The
foregoing restrictions shall not apply to Indebtedness secured by Liens existing
on the date of the Senior Indenture or to: (i) Liens on any property existing at
the time of the acquisition thereof; (ii) Liens on property of a corporation
existing at the time such corporation is merged into, consolidated with or
acquired by the Company or a Principal Subsidiary or at the time of a sale,
lease or other disposition of the properties of such corporation (or a division
thereof) as an entirety or substantially as an entirety to the Company or a
Principal Subsidiary, provided that such Lien as a result of such merger,
consolidation, acquisition, sale, lease or other disposition is not extended to
property owned by the Company or such Principal Subsidiary immediately prior
thereto; (iii) Liens on property of a corporation existing at the time such
corporation becomes a Principal Subsidiary; (iv) Liens securing Indebtedness of
a Principal Subsidiary to the Company or to another Principal Subsidiary; (v)
Liens to secure all or part of the cost of acquisition, construction,
development or improvement of the underlying property, or to secure Indebtedness
incurred to provide funds for any such purpose (including purchase money
security interest or money mortgage on real or personal property), provided that
the commitment of the creditor to extend the credit secured by any such Lien
shall have been obtained not later than 24 months after the later of (a) the
completion of the acquisition, construction, development or improvement of such
property or (b) the placing in operation of such property or of such property as
so constructed, developed or improved; (vi) Liens on any property created,
assumed or otherwise brought into existence in contemplation of the sale or
other disposition of the underlying property, whether directly or indirectly, by
way of share disposition or otherwise, provided that the Company must have
 
                                        6
<PAGE>   8
 
disposed of such property within 180 days after the creation of such Liens and
that any Indebtedness secured by such Liens shall be without recourse to the
Company or any Subsidiary; (vii) Liens in favor of the United States of America
or any State thereof, or any department, agency or instrumentality or political
subdivision thereof, to secure partial, progress, advance or other payments;
(viii) Liens to secure Indebtedness on any Principal Property of joint ventures
which constitute Principal Subsidiaries in which the Company or a Principal
Subsidiary has an interest, to the extent such Liens are on property or assets
of, or equity interests in, such joint ventures; and (ix) any extension,
renewal, replacement or refunding of any Lien existing on the date of the Senior
Indenture or referred to in clauses (i) to (iii) or (v), provided that the
principal amount of Indebtedness secured thereby and not otherwise authorized by
clauses (i) to (iii) or (v) shall not exceed the principal amount of
Indebtedness, plus any premium or fee payable in connection with any such
extension, renewal, replacement or refunding, so secured at the time of such
extension, renewal, replacement or refunding. (Section 1008)
 
  Limitation on Sale and Leaseback Transactions
 
     The Senior Indenture provides that the Company may not, and may not permit
any Principal Subsidiary to, enter into any Sale and Leaseback Transaction with
respect to any Principal Property, unless, either (i) the Company or such
Principal Subsidiary would be entitled to issue, assume or guarantee
Indebtedness secured by a Lien on such Principal Property without equally and
ratably securing the outstanding Senior Debt Securities under the Senior
Indenture; (ii) the Company or such Principal Subsidiary applies, within 180
days after the effective date of such Sale and Leaseback Transaction, an amount
equal to the Net Available Proceeds therefrom to (A) the acquisition of one or
more Principal Properties or (B) to the retirement of the Senior Debt Securities
or the repayment of other Indebtedness of the Company or a Principal Subsidiary
(other than such Indebtedness owned by the Company or a Principal Subsidiary)
which, in the case of such Indebtedness of the Company, is not subordinate and
junior in right of payment to the prior payment of the Senior Debt Securities;
or (iii) after giving effect thereto, the sum of (A) the principal amount of
Indebtedness secured by all Liens incurred after the date of the Senior
Indenture and otherwise prohibited by the Senior Indenture and (B) the
Attributable Value of all Sale and Leaseback Transactions entered into after the
date of the Senior Indenture and otherwise prohibited by the Senior Indenture
does not exceed 10% of Consolidated Net Tangible Assets of the Company. The
foregoing restrictions will not apply to (x) a Sale and Leaseback Transaction
providing for a lease for a term, including any renewal thereof, of not more
than three years, by the end of which term it is intended that the use of such
Principal Property by the lessee will be discontinued; (y) a Sale and Leaseback
Transaction between the Company and a Principal Subsidiary or between Principal
Subsidiaries; (z) a Sale and Leaseback Transaction between the Company or a
Principal Subsidiary and a joint venture in which the Company or a Principal
Subsidiary has an interest. (Section 1009)
 
CERTAIN DEFINITIONS
 
     Set forth below is a summary of certain of the defined terms used in the
Senior Indenture. Reference is made to the Senior Indenture for the full
definition of all such terms, as well as any other terms used herein for which
no definition is provided. (Section 101)
 
     "Attributable Value" in respect of any Sale and Leaseback Transaction
means, as of the time of determination, the lesser of (i) the sale price of the
Principal Property so leased multiplied by a fraction the numerator of which is
the remaining portion of the base term of the lease included in such Sale and
Leaseback Transaction and the denominator of which is the base term of such
lease, and (ii) the total obligation (discounted to present value at the highest
rate of interest specified by the terms of any series of Debt Securities then
Outstanding compounded semi-annually) of the lessee for rental payments (other
than amounts required to be paid on account of property taxes as well as
maintenance, repairs, insurance, water rates and other items which do not
constitute payments for property rights) during the remaining portion of the
base term of the lease included in such Sale and Leaseback Transaction.
 
     "Consolidated Net Tangible Assets" of the Company means the aggregate
amount of assets (less applicable reserves and other properly deductible items)
after deducting therefrom (a) all current liabilities (excluding any
indebtedness for money borrowed having a maturity of less than 12 months from
the date of the most recent consolidated balance sheet of the Company but which
by its terms is renewable or extendable
 
                                        7
<PAGE>   9
 
beyond 12 months from such date at the option of the borrower) and (b) all
goodwill, trade names, patents, unamortized debt discount and expense and any
other like intangibles, all as set forth on the most recent consolidated balance
sheet of the Company and computed in accordance with generally accepted
accounting principles.
 
     "Indebtedness" of any Person means (without duplication), with respect to
any Person, (i) every obligation of such Person for money borrowed, (ii) every
obligation of such Person evidenced by bonds, debentures, notes or other similar
instruments, (iii) every reimbursement obligation of such Person with respect to
letters of credit, bankers' acceptances or similar facilities issued for the
account of such Person and (iv) every obligation of the type referred to in
clauses (i) through (iii) of another Person the payment of which such Person has
guaranteed or is responsible or liable for, directly or indirectly, as obligor,
guarantor or otherwise (but only, in the case of clause (iv), to the extent such
Person has guaranteed or is responsible or liable for such obligations).
 
     "Lien" means, with respect to any property or assets, any mortgage or deed
of trust, pledge, hypothecation, assignment, security interest, lien,
encumbrance, or other security arrangement of any kind or nature whatsoever on
or with respect to such property or assets (including any conditional sale or
other title retention agreement having substantially the same economic effect as
any of the foregoing).
 
     "Net Available Proceeds" from any Sale and Leaseback Transaction by any
Person means cash or readily marketable cash equivalents received (including by
way of sale or discounting of a note, installment receivable or other
receivable, but excluding any other consideration received in the form of
assumption by the acquiree of Indebtedness or obligations relating to the
properties or assets that are the subject of such Sale and Leaseback Transaction
or received in any other noncash form) therefrom by such Person, net of (i) all
legal, title and recording tax expenses, commissions and other fees and expenses
incurred and all Federal, state, provincial, foreign and local taxes required to
be accrued as a liability as a consequence of such Sale and Leaseback
Transaction; (ii) all payments made by such Person or its Subsidiaries on any
Indebtedness which is secured in whole or in part by any such properties and
assets in accordance with the terms of any Lien upon or with respect to any such
properties and assets or which must, by the terms of such Lien, or in order to
obtain a necessary consent to such Sale and Leaseback Transaction or by
applicable law, be repaid out of the proceeds from such Sale and Leaseback
Transaction; and (iii) all distributions and other payments made to minority
interest holders in Subsidiaries of such Person or joint ventures as a result of
such Sale and Leaseback Transaction; provided, however, that for purposes of
clause (ii) of "Limitations on Sale and Leaseback Transactions", the amount of
Net Available Proceeds to be applied to any acquisition of Principal Properties
or retirement of Debt Securities or other Indebtedness shall be reduced by an
amount equal to the sum of (A) an amount equal to the redemption price with
respect to such Debt Securities delivered within 180 days after the effective
date of such Sale and Leaseback Transaction to the Trustee for retirement and
cancellation and (B) the principal amount, plus any premium or fee paid in
connection with a redemption in accordance with the terms, of such other
Indebtedness voluntarily retired by the Company within such 180-day period,
excluding in each case retirements pursuant to mandatory sinking fund or
prepayment provisions and payments at maturity.
 
     "Principal Property" means any real property or any permanent improvement
thereon owned by the Company or any of its Subsidiaries including, without
limitation, any office, store, warehouse, manufacturing facility or plant or any
portion thereof, and any equipment located at or comprising a part of any such
property, having a net book value, as of the date of determination, in excess of
1% of Consolidated Net Tangible Assets of the Company.
 
     "Principal Subsidiary" means any Subsidiary which owns any Principal
Property.
 
     "Sale and Leaseback Transaction" of any Person means an arrangement with
any lender or investor or to which such lender or investor is a party providing
for the leasing by such Person of any Principal Property that, more than 12
months after (i) the completion of the acquisition, construction, development or
improvement of such Principal Property or (ii) the placing in operation of such
Principal Property or of such Principal Property as so constructed, developed or
improved, has been or is being sold, conveyed, transferred or otherwise disposed
of by such Person to such lender or investor or to any Person to whom funds have
been or
 
                                        8
<PAGE>   10
 
are to be advanced by such lender on the security of such Principal Property.
The term of such arrangement, as of any date (the "measurement date"), shall end
on the date of the last payment of rent or any other amount due under such
arrangement on or prior to the first date after the measurement date on which
such arrangement may be terminated by the lessee, at its sole option without
payment of a penalty.
 
     "Subsidiary" of any Person means a corporation more than 50% of the
outstanding voting stock of which is owned, directly or indirectly, by such
Person or by one or more other Subsidiaries of such Person or by such Person and
one or more Subsidiaries thereof.
 
RESTRICTIONS ON MERGER AND SALE OF ASSETS; SUBSIDIARY GUARANTEES
 
     The Indentures provide that the Company may not consolidate with or merge
into any other Person or convey, transfer or lease its property and assets
substantially as an entirety to any Person (other than to one or more Wholly
Owned Subsidiaries of the Company), and the Company may not permit any Person to
merge into or consolidate with the Company or convey, transfer or lease its
properties and assets substantially as an entirety to the Company, unless (i)
any successor or purchaser is a corporation, partnership, limited liability
company or trust organized under the laws of the United States of America, any
State or the District of Columbia, and any such successor or purchaser expressly
assumes the Company's obligations on the Debt Securities under a supplemental
Indenture; (ii) immediately after giving effect to the transaction no Event of
Default, and no event which after notice or lapse of time or both would become
an Event of Default, shall have occurred and be continuing; (iii) if, in the
case of the Senior Indenture, as a result of any such transaction, property or
assets of the Company or any Principal Subsidiary would become subject to a Lien
which would not be permitted by the limitation on Liens contained in the Senior
Indenture, the Company or, if applicable, the successor to the Company, as the
case may be, shall take such steps as shall be necessary effectively to secure
the Senior Debt Securities issued under the Senior Indenture equally and ratably
with Indebtedness secured by such Lien; and (iv) certain other conditions are
met. (Section 801). Upon any consolidation or merger into any other Person or
any conveyance, transfer or lease of the Company's assets substantially as an
entirety to any Person (other than to one or more Wholly Owned Subsidiaries of
the Company), the successor Person shall succeed to, and be substituted for, the
Company under the Indentures, and the Company, except in the case of a lease,
shall be relieved of all obligations and covenants under the Indentures and the
Debt Securities to the extent it was the predecessor Person. (Section 802)
 
     If the Company conveys, transfers or leases its properties and assets
substantially as an entirety, in one transaction or a series of related
transactions, to one or more Wholly Owned Subsidiaries of the Company, then the
Company shall (a) cause such Wholly Owned Subsidiary or Wholly Owned
Subsidiaries, as the case may be, to execute and deliver to the Trustee a
supplemental indenture in form and substance reasonably satisfactory to the
Trustee pursuant to which such Wholly Owned Subsidiary or Wholly Owned
Subsidiaries shall unconditionally guarantee all of the Company's payment
obligations under the Indentures and the Debt Securities on the terms set forth
in such supplemental indenture (which guarantee, in the case of Subordinated
Debt Securities, shall be subordinate to any guarantee granted by such
subsidiary guarantor in respect to Senior Indebtedness of the Company or
indebtedness of such Wholly Owned Subsidiary which is of the type contemplated
by the definition of Senior Indebtedness) and which guarantee shall provide that
(i) if one or more of such Wholly Owned Subsidiaries, in one transaction or a
series of related transactions, thereafter conveys, transfers or leases
properties and assets which, if owned by the Company, would constitute all or
substantially all of the properties and assets of the Company and its
Subsidiaries (determined on a consolidated basis), such conveyance, transfer or
lease shall be deemed to be a conveyance, transfer or lease by the Company of
its properties and assets substantially as an entirety for purposes of Section
801 and (ii) such guarantee shall be released and discharged in full if and when
all of the issued and outstanding shares of Voting Stock of the Wholly Owned
Subsidiary are sold, directly or indirectly, by the Company or another Wholly
Owned Subsidiary of the Company to any Person (other than the Company or another
Wholly Owned Subsidiary of the Company), (b) deliver to the Trustee an Opinion
of Counsel reasonably satisfactory to the Trustee that such supplemental
indenture has been duly executed and delivered by each subsidiary guarantor and
(c) comply, and cause such Wholly Owned Subsidiary to comply, with any
applicable securities laws.
 
                                        9
<PAGE>   11
 
     The guarantee by a subsidiary guarantor may be subject to avoidance by a
bankruptcy trustee or debtor in possession as a fraudulent conveyance under
Title 11 of the United States Code (the "Bankruptcy Code") or applicable state
fraudulent conveyance statutes or by a creditor of a subsidiary guarantor under
applicable state fraudulent conveyance statutes. In the event that such
subsidiary guarantor becomes a debtor under the Bankruptcy Code within one year
of the delivery of the guarantee and was insolvent, rendered insolvent or left
with unreasonably small working capital, a court may void the guarantee as a
fraudulent conveyance if the court finds that the subsidiary guarantor received
less than reasonably equivalent value in exchange for the guarantee. Even if
there is no proceeding commenced under the Bankruptcy Code, if the subsidiary
guarantor is insolvent, rendered insolvent or left with unreasonably small
working capital at the time the guarantee is delivered or as a result thereof, a
court may, at the request of a creditor of the subsidiary guarantor, void the
guarantee as a fraudulent conveyance if the court finds that the subsidiary
guarantor received less than reasonably equivalent value in exchange for the
guarantee. In either event, a court may set aside the guarantee and order the
recovery of any payments made by the subsidiary guarantor during the applicable
statutory period -- one year under the Bankruptcy Code and varying periods under
state law depending upon which state's law applies. The statute of limitations
applicable to fraudulent conveyance statutes are as long as six years in some
states.
 
     Generally, under the definition provided in the Bankruptcy Code, the
subsidiary guarantor would be considered insolvent if the sum of the subsidiary
guarantor's debts, including contingent liabilities, was greater than the value
of its assets at a fair valuation. State fraudulent conveyance statutes differ
but generally define insolvent to mean the fair saleable value of assets being
less than probable liabilities. The Bankruptcy Code and state fraudulent
conveyance statutes do not define what constitutes inadequate working capital.
Generally, courts have found companies to have inadequate working capital if the
company has insufficient current assets with which to satisfy current
liabilities as they mature in the ordinary course.
 
EVENTS OF DEFAULT
 
     Unless otherwise specified in the Prospectus Supplement relating to a
particular series of Debt Securities, the following events are defined in the
Indentures as "Events of Default" with respect to Debt Securities of any series:
(a) failure to pay principal (including any sinking fund payment) of (or
premium, if any, on) any Debt Security of that series when due; (b) failure to
pay any interest on any Debt Security of that series when due, continued for 30
days; (c) failure to perform any other covenant or agreement of the Company
under the Indenture (other than a covenant the performance of which is dealt
with specifically elsewhere in the Indenture or which has been included in the
Indenture solely for the benefit of a series of Debt Securities other than that
series), continued for 90 days after written notice as provided in the
Indentures; (d) a default under any bond, debenture, note or other evidence of
indebtedness for money borrowed by the Company (including a default with respect
to Debt Securities of any series other than that series) or under any 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, which
default shall have resulted in indebtedness in excess of $25 million becoming
declared due and payable prior to the date on which it would otherwise have
become due and payable if such indebtedness is not discharged, or such
acceleration is not rescinded or annulled, within 30 days after written notice
as provided in the Indenture; (e) certain events of bankruptcy, insolvency or
reorganization; and (f) any other Event of Default provided with respect to Debt
Securities of that series. (Section 501)
 
     Except as defined in the Prospectus Supplement relating thereto and except
as specified in clauses (d) and (e) of the preceding paragraph, no Event of
Default with respect to Debt Securities of a particular series shall necessarily
constitute an Event of Default with respect to Debt Securities of any other
series. (Section 501) The Holders of a majority in aggregate principal amount of
the Outstanding Debt Securities of any series shall have the right, subject to
such provisions for indemnification of the Trustee, to direct the time, method
and place of conducting any proceeding for any remedy available to the Trustee
under the Indenture or exercising any trust or power conferred on the Trustee
with respect to Debt Securities of that series. (Section 512)
 
                                       10
<PAGE>   12
 
     If an Event of Default (other than an Event of Default specified in clause
(e) of the second preceding paragraph) with respect to Debt Securities of any
series at the time Outstanding shall occur and be continuing, either the Trustee
or the Holders of at least 25% in principal amount of the Outstanding Debt
Securities of that series may, by a notice in writing to the Company (and to the
Trustee if given by the Holders), declare the principal amount (or, if the Debt
Securities of that series are Original Issue Discount Securities, such portion
of the principal amount as may be specified in the terms of that series) of all
Debt Securities of that series to be due and payable immediately; provided,
however, that under certain circumstances the Holders of a majority in aggregate
principal amount of Outstanding Debt Securities of that series may rescind or
annul such declaration and its consequences. (Section 502) If an Event of
Default specified in clause (e) of the second preceding paragraph occurs, the
Outstanding Debt Securities automatically will become immediately payable
without any declaration or other act on the part of the Trustee or any Holder.
(Section 502) For information as to waiver of defaults, see "Modification and
Waiver" herein.
 
     Reference is made to the Prospectus Supplement relating to any series of
Offered Debt Securities which are Original Issue Discount Securities for the
particular provisions relating to the principal amount of such Original Issue
Discount Securities due on acceleration upon the occurrence of an Event of
Default and the continuation thereof.
 
     No Holder of a Debt Security of any series will have any right to institute
any proceeding with respect to the Indenture or for any remedy thereunder,
unless such Holder shall have previously given to the Trustee written notice of
a continuing Event of Default with respect to Debt Securities of that series and
unless also the Holders of at least 25% in aggregate principal amount of the
Outstanding Debt Securities of the same series shall have made written request,
and offered reasonable indemnity to the Trustee, to institute such proceeding as
trustee, and the Trustee shall not have received from the Holders of a majority
in aggregate principal amount of the Outstanding Debt Securities of the same
series a direction inconsistent with such request and shall have failed to
institute such proceeding within 60 days. (Section 507) However, such
limitations do not apply to a suit instituted by a Holder of any Debt Security
for enforcement of payment of the principal of (or premium, if any) or interest,
if any, on such Debt Security on or after the respective due dates expressed in
such Debt Security. (Section 508)
 
     Subject to the provisions of the Trust Indenture Act of 1939, as amended
(the "Trust Indenture Act"), the Trustees will be under no obligation to
exercise any of the rights or powers under the Indentures at the request of any
of the Holders of Debt Securities unless they shall have offered to such Trustee
security or indemnity in form and substance reasonably satisfactory to such
Trustee against the costs, expenses and liabilities which might be incurred by
it in compliance with such request. (Section 603)
 
     The Company will be required to furnish to the Trustees annually a
statement by certain officers of the Company as to whether the Company is in
default in the performance and observance of any of the terms, provisions and
conditions of the Indentures. (Section 1004)
 
MODIFICATION AND WAIVER
 
     Modifications and amendments of the Indentures may be made by the Company
and the Trustees, with the consent of the Holders of not less than a majority of
principal amount of each series of the Outstanding Debt Securities of each
series affected by the modification or amendment; provided, however, that no
such modification or amendment may, without the consent of the Holder of each
such Outstanding Debt Security affected thereby: (a) change the Stated Maturity
of the principal of or any installment of principal or interest, if any, on any
such Debt Security; (b) reduce the principal amount of or the interest rate, if
any, on any such Debt Security or the principal amount due upon acceleration of
an Original Issue Discount Security; (c) adversely affect any right of repayment
at the option of the Holder of any such Debt Security; (d) reduce the amount of,
or postpone the date fixed for, the payment of any sinking fund or analogous
obligation; (e) change the place or currency of payment of principal of (or
premium, if any) or the interest, if any, on any such Debt Security; (f) impair
the right to institute suit for the enforcement of any such payment on or with
respect to any such Debt Security on or after the Stated Maturity (or, in the
case of redemption, on or after the Redemption Date); (g) modify the
subordination provisions in a manner adverse to the Holders of the
 
                                       11
<PAGE>   13
 
Subordinated Debt Securities; (h) reduce the percentage of the principal amount
of Outstanding Debt Securities of any series, the consent of the Holders of
which is necessary to modify or amend the Indenture; or (i) modify the foregoing
requirements or reduce the percentage of Outstanding Debt Securities necessary
to waive compliance with certain provisions of the Indenture or for waiver of
certain defaults. (Section 902)
 
     The holders of at least a majority of the aggregate principal amount of the
Outstanding Debt Securities of any series may, on behalf of all Holders of that
series, waive compliance by the Company with certain restrictive provisions of
the Indenture and waive any past default under the Indenture, except a default
in the payment of principal, premium or interest or in the performance of
certain covenants. (Sections 101 and 513)
 
     The Indentures provide that in determining whether the Holders of the
requisite principal amount of the Outstanding Debt Securities of any series have
given or taken any direction, notice, consent, waiver or other action under the
Indenture as of any date, (i) the principal amount of an Original Issue Discount
Debt Security that will be deemed to be Outstanding will be the amount of the
principal thereof that would be due and payable as of such date upon
acceleration of the Maturity thereof to such date; (ii) if, as of such date, the
principal amount payable at the Stated Maturity of a Debt Security is not
determinable (for example, because it is based on an index), the principal
amount of such Debt Security deemed to be Outstanding as of such date will be an
amount determined in the manner prescribed for such Debt Security; and (iii) the
principal amount of a Security denominated in one or more foreign currencies or
currency units that will be deemed to be Outstanding will be the United States
dollar equivalent, determined as of such date in the manner prescribed for such
Debt Security, of the principal amount of such Debt Security (or, in the case of
a Debt Security described in clause (i) or (ii) above, of the amount described
in such clause). Certain Debt Securities, including those for which payment or
redemption money has been deposited or set aside in trust for the Holders and
those that have been fully defeased pursuant to Section 1302, will not be deemed
to be Outstanding. (Section 101) For purposes of the Indenture, the Debt
Securities of any series "Outstanding" thereunder are deemed to exclude persons
that control, are controlled by or are under common control with the Company;
provided that any Person which is a registered investment advisor or an
Affiliate thereof and which owns 15% or less of the outstanding voting stock of
the Company will not be deemed to control the Company. (Section 101)
 
     Except in certain limited circumstances, the Company will be entitled to
set any day as a record date for the purpose of determining the Holders of
Outstanding Debt Securities of any series entitled to give or take any
direction, notice, consent, waiver or other action under the Indentures, in the
manner and subject to the limitations provided in the Indentures. In certain
limited circumstances, the Trustees will be entitled to set a record date for
action by Holders. If a record date is set for any action to be taken by Holders
of a particular series, such action may be taken only by persons who are Holders
of Outstanding Debt Securities of that series on the record date. To be
effective, such action must be taken by Holders of the requisite principal
amount of such Debt Securities within a specified period following the record
date. For any particular record date, this period will be 180 days or such
shorter period as may be specified by the Company (or the Trustee, if it set the
record date), and may be shortened or lengthened (but not beyond 180 days) from
time to time. (Section 104)
 
DEFEASANCE AND COVENANT DEFEASANCE
 
     The Indentures provide, unless such provision is made inapplicable to the
Debt Securities of any series pursuant to Section 301 of the Indentures (which
will be indicated in the Prospectus Supplement applicable thereto), that the
Company may elect either (A) to defease and be discharged from any and all
obligations with respect to such Debt Securities then outstanding (except for
the obligations to exchange or register the transfer of such Debt Securities, to
replace temporary or mutilated, destroyed, lost or stolen Debt Securities, to
maintain an office or agency in respect of the Debt Securities, and to hold
monies for payments in trust) ("defeasance"), or (B) to be released from its
obligations with respect to such Debt Securities concerning certain restrictions
described under "Restrictions on Merger and Sale of Assets" (Section 801) and
any other covenants applicable to such Debt Securities which are subject to
covenant defeasance ("covenant defeasance"), and the occurrence of an event
described in clauses (c), (d) and (e) under "Events of Default" (and any
covenants determined, pursuant to Section 301 of the Indenture, to be subject to
covenant defeasance)
 
                                       12
<PAGE>   14
 
shall no longer be an Event of Default, in each case, upon the irrevocable
deposit with the Trustee (or other qualifying trustee), in trust for such
purpose, of money, and/or U.S. Government Obligations (as defined in the
Indentures) which through the payment of principal and interest in accordance
with their terms will provide money in an amount sufficient to pay the principal
of (and premium, if any) and interest, if any, on such Debt Securities, on the
scheduled due dates therefor. Such a trust may only be established if, among
other things, (i) the Company has delivered to the Trustee an opinion of counsel
(as specified in the Indentures) to the effect that the Holders of such Debt
Securities will not recognize income, gain or loss for Federal income tax
purposes as a result of such defeasance or 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 defeasance or covenant defeasance
had not occurred, (ii) no Event of Default or event which with the giving of
notice or lapse of time, or both, would become an Event of Default under the
Indenture shall have occurred and be continuing on the date of such deposit and
(iii) certain other customary conditions precedent are satisfied. In the case of
defeasance under clause (A) above, the opinion of counsel referred to in clause
(i) above must refer to and be based on a ruling of the Internal Revenue Service
issued to the Company or published as a revenue ruling or on a change in
applicable Federal income tax law, in each case after the date of the Indenture.
(Article Thirteen)
 
     The Company may exercise the defeasance option with respect to such Debt
Securities notwithstanding its prior exercise of the covenant defeasance option.
If the Company exercises the defeasance option, payment of such Debt Securities
may not be accelerated because of an Event of Default. If the Company exercises
the covenant defeasance option, payment of such Debt Securities may not be
accelerated by reference to the covenants noted under clause (B) above. In the
event the Company omits to comply with the remaining obligations with respect to
such Debt Securities under the Indenture after exercising its covenant
defeasance option and such Debt Securities are declared due and payable because
of the occurrence of any Event of Default, the amount of money and U.S.
Government Obligations on deposit with the Trustee may be insufficient to pay
amounts due on the Debt Securities of such series at the time of the
acceleration resulting from such Event of Default, because the required deposit
in the defeasance trust is based upon scheduled cash flows, rather than market
values, which will vary depending on prevailing interest rates and other
factors. However, the Company will remain liable in respect of such payments.
(Article Thirteen)
 
     The Prospectus Supplement may further describe the provisions, if any,
applicable to defeasance or covenant defeasance with respect to the Debt
Securities of a particular series.
 
SUBORDINATION
 
     Unless otherwise set forth in the applicable Prospectus Supplement, the
following provisions will apply to the Subordinated Debt Securities.
 
     The payment of the principal of, premium, if any, and interest on, and the
redemption or repurchase of the Subordinated Debt Securities will be
subordinated in right of payment to the extent set forth in the Subordinated
Indenture to the prior payment in full of the principal of, premium, if any, and
interest on all Senior Indebtedness of the Company. "Senior Indebtedness" is
defined to mean (a) all indebtedness of the Company, including the principal of,
premium, if any, and interest on such indebtedness, whether outstanding
currently or hereafter created, (i) for borrowed money, (ii) for money borrowed
by others and guaranteed, directly or indirectly, by the Company, (iii)
constituting purchase money indebtedness for the payment of which the Company is
directly or contingently liable, (iv) constituting reimbursement obligations
under bank letters of credit, (v) under interest rate and currency swaps, caps,
floors, collars or similar agreements or arrangements intended to protect the
Company against fluctuations in interest or currency exchange rates, or (vi)
under any lease of any real or personal property, which obligations are
capitalized on the Company's books, unless by the terms of the instrument
creating or evidencing such indebtedness it is provided that such indebtedness
is not superior in right of payment to the Subordinated Debt Securities or to
other indebtedness which is pari passu with, or subordinated to, the
Subordinated Debt, and (b) any modifications, refundings, deferrals, renewals or
extensions of any such Senior Indebtedness, or securities, notes or other
evidences of indebtedness issued in exchange for such Senior Indebtedness.
(Sections 1401 and 1402)
 
                                       13
<PAGE>   15
 
     No payment on account of principal, of premium, if any, or interest on, or
redemption, repurchase or defeasance of, the Subordinated Debt Securities may be
made by the Company if there is a default in the payment of principal of,
premium, if any, sinking funds or interest (including a default under any
purchase or redemption obligation) with respect to any Senior Indebtedness or if
any other event of default with respect to any Senior Indebtedness, permitting
the holders thereof to accelerate the maturity thereof, shall have occurred and
shall not have been cured or waived or shall not have ceased to exist after
written notice to the Company and the Trustee by any holder of Senior
Indebtedness. Upon any acceleration of the principal amount due on the
Subordinated Debt Securities or any payment or distribution of assets of the
Company to creditors upon any dissolution, winding up, liquidation or
reorganization, whether voluntary or involuntary, or in bankruptcy, insolvency,
receivership or other proceedings, all principal of premium, if any, sinking
fund and interest due or to become due upon all Senior Indebtedness must be paid
in full before the Holders of the Subordinated Debt Securities are entitled to
receive any payment. By reason of such subordination, in the event of
insolvency, creditors of the Company who are holders of Senior Indebtedness may
recover more, ratably, than the Holders of the Subordinated Debt Securities, and
such subordination may result in a reduction or elimination of payments to the
Holders of the Subordinated Debt Securities. (Section 1402)
 
     The Subordinated Indenture does not limit the Company's ability to incur
Senior Indebtedness or any other indebtedness. The Senior Debt Securities, if
and when issued, will constitute Senior Indebtedness.
 
     The principal amount of outstanding Senior Indebtedness was approximately
$165 million at July 5, 1997. The applicable Prospectus Supplement will set
forth the aggregate amount of outstanding Senior Indebtedness as of the most
recent practicable date.
 
PAYMENT AND PAYING AGENTS
 
     Unless otherwise indicated in the applicable Prospectus Supplement, payment
of interest on a Debt Security on any Interest Payment Date will be made to the
Person in whose name such Debt Security (or one or more Predecessor Securities)
is registered at the close of business on the Regular Record Date for such
interest payment. (Section 307)
 
     Unless otherwise indicated in the applicable Prospectus Supplement,
principal of and any premium and interest on the Debt Securities of a particular
series will be payable at the office of such Paying Agent or Paying Agents as
the Company may designate for such purpose from time to time, except that, at
the option of the Company, payment of any interest may be made by check mailed
to the address of the Person entitled thereto as such address appears in the
Security Register. Unless otherwise indicated in the applicable Prospectus
Supplement, the corporate trust office of the Trustee in New York City will be
designated as the Company's sole Paying Agent for payments with respect to Debt
Securities of each series.
 
     Any other Paying Agents initially designated by the Company for the Debt
Securities of a particular series will be named in the applicable Prospectus
Supplement. The Company may at any time designate additional Paying Agents or
rescind the designation of any Paying Agent or approve a change in the office
through which any Paying Agent acts, except that the Company will be required to
maintain a Paying Agent in each place of payment for the Debt Securities of a
particular series. (Section 1002)
 
     All moneys paid by the Company to a Paying Agent for the payment of the
principal of or any premium or interest on any Debt Security which remain
unclaimed at the end of two years after such principal, premium or interest has
become due and payable will be repaid to the Company, and the Holder of such
Debt Security thereafter may look only to the Company for payment thereof.
(Section 1003)
 
GLOBAL SECURITIES
 
     Some or all of the Debt Securities of any series may be represented, in
whole or in part, by one or more Global Securities which will have an aggregate
principal amount equal to that of the Debt Securities represented thereby. Each
Global Security will be registered in the name of a Depositary or a nominee
thereof identified in the applicable Prospectus Supplement, will be deposited
with such Depositary or a nominee or a custodian therefor and will bear a legend
regarding the restrictions on exchanges and registration of transfer thereof
referred to below and any such other matters as may be provided for pursuant to
the Indentures.
 
                                       14
<PAGE>   16
 
     Notwithstanding any provision in the Indentures or any Security described
herein, no Global Security may be exchanged in whole or in part for Securities
registered, and no transfer of a Global Security in whole or in part may be
registered, in the name of any Person other than the Depositary for such Global
Security or any nominee of such Depositary unless (i) the Depositary has
notified the Company that it is unwilling or unable to continue as Depositary
for such Global Security or has ceased to be a clearing agency registered under
the Exchange Act, (ii) there shall have occurred and be continuing an Event of
Default with respect to the Securities represented by such Global Security or
(iii) there shall exist such circumstances, if any, in addition to or in lieu of
those described above as may be described in the applicable Prospectus
Supplement. All securities issued in exchange for a Global Security or any
portion thereof will be registered in such names as the Depositary may direct.
(Sections 204 and 305)
 
     As long as the Depositary, or its nominee, is the registered Holder of a
Global Security, the Depositary or such nominee, as the case may be, will be
considered the sole owner and Holder of such Global Security and the Debt
Securities represented thereby for all purposes under the Debt Securities and
the Indentures. Except in the limited circumstances referred to above, owners of
beneficial interests in a Global Security will not be entitled to have such
Global Security or any Debt Securities represented thereby registered in their
names, will not receive or be entitled to receive physical delivery of
certificate Debt Securities in exchange therefor and will not be considered to
be the owners or Holders of such Global Security or any Debt Securities
represented thereby for any purpose under the Debt Securities or the Indentures.
All payments of principal of and premium and interest on a Global Security will
be made to the Depositary or its nominee, as the case may be, as the Holder
thereof. The laws of some jurisdictions require that certain purchasers of
securities take physical delivery of such securities in definitive form. These
laws may impair the ability to transfer interests in a Global Security.
 
     Ownership of beneficial interests in a Global Security will be limited to
institutions that have accounts with the Depositary or its nominee
("participants") and to persons that may hold beneficial interests through
participants. In connection with the issuance of any Global Security, the
Depositary will credit, on its book-entry registration and transfer system, the
respective principal amounts of Debt Securities represented by the Global
Security to the accounts of its participants. Ownership of beneficial interests
in a Global Security will be shown only on, and the transfer of those ownership
interests will be effected only through, records maintained by the Depositary
(with respect to participants' interests) or any such participant (with respect
to interests of persons held by such participant on their behalf). Payments,
transfers, exchanges and other matters relating to beneficial interests in a
Global Security may be subject to various policies and procedures adopted by the
Depositary from time to time. None of the Company, the Trustee or any agent of
the Company or the Trustee will have any responsibility or liability for any
aspect of the Depositary's or any participant's records relating to, or for
payments made on account of, beneficial interests in a Global Security, or for
maintaining, supervising or reviewing any records relating to such beneficial
interests.
 
     Beneficial interests in a Global Security will trade in the Depositary's
same-day funds settlement system, in which secondary market trading activity in
those beneficial interests would be required by the Depositary to settle in
immediately available funds. Also, settlement for purchases of beneficial
interests in a Global Security upon the original issuance thereof will be
required to be made in immediately available funds.
 
THE TRUSTEE
 
     The Trustee may be deemed to have a conflicting interest and may be
required to resign as Trustee if at the time of a default under the Indenture it
is a creditor of the Company.
 
GOVERNING LAW
 
     The Indentures and the Debt Securities are governed by and shall be
construed in accordance with the laws of the State of New York. (Section 112)
 
                                       15
<PAGE>   17
 
                              PLAN OF DISTRIBUTION
 
     The Company may sell Debt Securities to or through underwriters and also
may sell Debt Securities directly to other purchasers or through agents.
 
     The distribution of the Debt Securities may be effected from time to time
in one or more transactions at a fixed price or prices, which may be changed, or
at market prices prevailing at the time of sale, at prices related to such
prevailing market prices or at negotiated prices.
 
     In connection with the sale of Debt Securities, underwriters may receive
compensation from the Company or from purchasers of Debt Securities for whom
they may act as agents in the form of discounts, concessions or commissions.
Underwriters may sell Debt Securities to or through dealers, and such dealers
may receive compensation in the form of discounts, concessions or commissions
from the underwriters and/or commissions from the purchasers for whom they may
act as agents. Underwriters, dealers and agents that participate in the
distribution of Debt Securities may be deemed to be underwriters, and any
discounts or commissions received by them from the Company and any profit on the
resale of Debt Securities by them may be deemed to be underwriting discounts and
commissions, under the Securities Act. Any such underwriter or agent will be
identified, and any such compensation received from the Company will be
described, in the Prospectus Supplement.
 
     Under agreements which may be entered into by the Company, underwriters and
agents who participate in the distribution of Debt Securities may be entitled to
indemnification by the Company against certain liabilities, including
liabilities under the Act.
 
                        VALIDITY OF THE DEBT SECURITIES
 
     Unless otherwise specified in the applicable Prospectus Supplement, the
validity of the Offered Debt Securities will be passed upon for the Company by
Hale and Dorr LLP, Boston, Massachusetts, and for any underwriters or agents by
Sullivan & Cromwell, New York, New York.
 
                                    EXPERTS
 
     The financial statements of the Company appearing in the Company's Annual
Report (Form 10-K) for the year ended February 1, 1997, have been audited by
Ernst & Young LLP, independent auditors, as set forth in their report thereon
included therein and incorporated herein by reference. Such financial statements
are incorporated herein by reference, in reliance upon such report given upon
the authority of such firm as experts in accounting and auditing.
 
                                       16
<PAGE>   18
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.
 
     The following table sets forth the estimated (except for the Securities and
Exchange Commission registration fee) fees and expenses (other than underwriting
discounts and commissions) in connection with the offering described in this
Registration Statement:
 
<TABLE>
<CAPTION>
NATURE OF EXPENSE
- -----------------
<S>                                                                               <C>
Registration fee - Securities Exchange Commission...............................  $151,515.16
Rating agency fees..............................................................   170,000.00
Blue Sky filing and counsel fees and expenses...................................    10,000.00
Accountant's fees and expenses..................................................    45,000.00
Legal fees and expenses.........................................................    85,000.00
Financial printer fees..........................................................    10,000.00
Trustee fees....................................................................     5,000.00
Miscellaneous...................................................................    23,484.84
                                                                                  -----------
     TOTAL......................................................................  $500,000.00
                                                                                  ===========
</TABLE>
 
ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
     Section 145 of the General Corporation Law of the State of Delaware
provides that a corporation has the power to indemnify a director, officer,
employee or agent of the corporation and certain other persons serving at the
request of the corporation in related capacities against amounts paid and
expenses incurred in connection with an action or proceeding to which he is or
is threatened to be made a party by reason of such position, if such person
shall have acted in good faith and in a manner he reasonably believed to be in
or not opposed to the best interests of the corporation, and, in any criminal
proceeding, if such person had no reasonable cause to believe his conduct was
unlawful, provided that, in the case of actions brought by or in the right of
the corporation, no indemnification shall be made with respect to any matter as
to which such person shall have been adjudged to be liable to the corporation
unless and only to the extent that the adjudicating court determines that such
indemnification is proper under the circumstances. The Company's Certificate of
Incorporation provides that the Company shall indemnify its directors and
officers to the fullest extent permitted by the Delaware General Corporation
Law.
 
     The Company's Certificate of Incorporation also provides that no director
shall be liable to the Company or its stockholders for monetary damages for
breach of his fiduciary duty as a director, except for liability (i) for any
breach of the director's duty of loyalty to the Company or its stockholders,
(ii) for acts or omissions not in good faith or which involve intentional
misconduct or a knowing violation of law, (iii) under Section 174 of the
Delaware General Corporation Law or (iv) for any transaction in which the
director derived an improper personal benefit.
 
     The By-laws of the Company contain provisions to the effect that each
director, officer and employee of the Company shall be indemnified by the
Company against liabilities and expenses in connection with any legal
proceedings to which he may be made a party or with which he may become involved
or threatened by reason of having been an officer, director or employee of the
Company or of any other organization at the request of the Company. The
provisions include indemnification with respect to matters covered by a
settlement. Any such indemnification shall be made only if the Board determines
by a majority vote of a quorum consisting of disinterested directors (or, if
such quorum is not obtainable, or if the Board of Directors directs, by
independent legal counsel) or by stockholders, that indemnification is proper in
the circumstances because the person seeking indemnification has met the
applicable standards of conduct. It must be determined that the director,
officer or employee acted in good faith with the reasonable belief that his
action was in or not opposed to the best interests of the Company, and, with
respect to any criminal action or proceeding, that he had no reasonable cause to
believe his conduct was unlawful.
 
                                      II-1
<PAGE>   19
 
     The Company has a directors and officers liability policy that insures the
Company's officers and directors against certain liabilities.
 
ITEM 16.  EXHIBITS.
 
<TABLE>
<CAPTION>
EXHIBIT                                      DESCRIPTION OF EXHIBIT
- -------         --------------------------------------------------------------------------------
<S>             <C>
   *1     --    Form of Underwriting Agreement.
    4.1   --    Form of Indenture for Senior Debt Securities between the Company and The Chase
                Manhattan Bank, as Trustee.
    4.2   --    Form of Senior Debt Securities (included in Exhibit 4.1).
    4.3   --    Form of Indenture for Subordinated Debt Securities between the Company and The
                Chase Manhattan Bank, as Trustee.
    4.4   --    Form of Subordinated Debt Securities (included in Exhibit 4.3).
  **5     --    Opinion of Hale and Dorr LLP.
   12     --    Computation of Ratio of Earnings to Fixed Charges.
   23.1   --    Consent of Ernst & Young LLP.
   23.2   --    Consent of Hale and Dorr LLP (included in Exhibit 5).
   24     --    Power of Attorney (appears on Page II-4).
   25.1   --    Statement of Eligibility of Trustee under the Trust Indenture Act of 1939 on
                Form T-1 for the Senior Debt Securities.
   25.2   --    Statement of Eligibility of Trustee under the Trust Indenture Act of 1939 on
                Form T-1 for the Subordinated Debt Securities.
</TABLE>
 
- ---------------
 
* To be filed by amendment or as an exhibit to a Current Report on Form 8-K.
 
** To be filed by amendment.
 
ITEM 17.  UNDERTAKINGS.
 
     The Company hereby undertakes:
 
     (1) To file, during any period in which offers or sales are being made, a
post-effective amendment to this Registration Statement:
 
          (i) To include any prospectus required by Section 10(a)(3) of the
     Securities Act of 1933, as amended (the "Securities Act");
 
          (ii) To reflect in the prospectus any facts or events arising after
     the effective date of this Registration Statement (or the most recent
     post-effective amendment thereof) which, individually or in the aggregate,
     represent a fundamental change in the information set forth in this
     Registration Statement. Notwithstanding the foregoing, any increase or
     decrease in volume of securities offered (if the total dollar value of
     securities offered would not exceed that which was registered) and any
     deviation from the low or high of the estimated maximum offering range may
     be reflected in the form of prospectus filed with the Commission pursuant
     to Rule 424(b) if, in the aggregate, the changes in volume and price
     represent no more than 20 percent change in the maximum aggregate offering
     price set forth in the "Calculation of Registration Fee" table in the
     effective registration statement;
 
          (iii) To include any material information with respect to the plan of
     distribution not previously disclosed in this Registration Statement or any
     material change to such information in this Registration Statement;
 
provided, however, that paragraphs (1)(i) and (1)(ii) do not apply if the
information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed by the Company pursuant to
Section 13 or Section 15(d) of the Securities Exchange Act of 1934, as amended
(the "Exchange Act") that are incorporated by reference in this Registration
Statement.
 
                                      II-2
<PAGE>   20
 
     (2) That, for the purposes of determining any liability under the
Securities Act, each post-effective amendment shall be deemed to be a new
registration statement relating to the securities offered therein, and the
offering of such securities at the time shall be deemed to be the initial bona
fide offering thereof.
 
     (3) To remove from registration by means of a post-effective amendment any
of the securities being registered which remain unsold at the termination of the
offering.
 
The Company hereby undertakes that:
 
     (1) For purposes of determining any liability under the Securities Act, the
information omitted from the form of prospectus filed as part of this
registration statement in reliance upon Rule 430A and contained in a form of
prospectus filed by the registrant pursuant to Rule 424(b)(1) or (4) or 497(h)
under the Securities Act shall be deemed to be part of this registration
statement as of the time it was declared effective.
 
     (2) For purposes of determining any liability under the Securities Act,
each post-effective amendment that contains a form of prospectus shall be deemed
to be a new registration statement relating to the securities offered therein,
and the offering of such securities at that time shall be deemed to be the
initial bona fide offering thereof.
 
     The Company hereby undertakes that, for purposes of determining any
liability under the Securities Act, each filing of the Company's annual report
pursuant to Section 13(a) or 15(d) of the Exchange Act (and, where applicable,
each filing of an employee benefit plan's annual report pursuant to Section
15(d) of the Exchange Act) that is incorporated by reference in this
Registration Statement shall be deemed to be a new registration statement
relating to the securities offered therein and the offering of such securities
at the time shall be deemed to be the initial bona fide offering thereof.
 
     Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers and controlling persons of the Company
pursuant to the indemnification provisions described herein, or otherwise, the
Company has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the
Securities Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the Company
of expenses incurred or paid by a director, officer or controlling person of the
Company in the successful defense of any action, suit or proceeding) is asserted
by such director, officer or controlling person in connection with the
securities being registered, the Company will, unless in the opinion of its
counsel the matter has been settled by controlling precedent, submit to a court
of appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Securities Act and will be governed by
the final adjudication of such issue.
 
                                      II-3
<PAGE>   21
 
                                   SIGNATURES
 
     Pursuant to the requirements of the Securities Act of 1933, the Company
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the Town of Westborough, Commonwealth of Massachusetts on the
14th day of July, 1997.
 
                                            STAPLES, INC.
 
                                            By:   /s/ THOMAS G. STEMBERG
                                              ----------------------------------
                                                      THOMAS G. STEMBERG
                                              CHAIRMAN OF THE BOARD OF DIRECTORS
                                                 AND CHIEF EXECUTIVE OFFICER
 
                        SIGNATURES AND POWER OF ATTORNEY
 
     Each person whose signature appears below constitutes and appoints Thomas
G. Stemberg, Peter M. Schwarzenbach, Mark G. Borden and Patrick J. Rondeau, and
each of them, his true and lawful attorneys-in-fact and agents, with full power
of substitution and resubstitution in each of them, for him and in his name,
place and stead, and in any and all capacities, to sign any and all amendments
(including post-effective amendments) to this Registration Statement on Form S-3
of Staples, Inc. and to file the same, with all exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents, and each of them, full power
and authority to do and perform each and every act and thing requisite or
necessary to be done in and about the premises, hereby ratifying and confirming
all that said attorneys-in-fact and agents or any of them or their or his
substitutes or substitute, may lawfully do or cause to be done by virtue hereof.
 
     Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed by the following persons in the
capacities and on the dates indicated.
 
<TABLE>
<CAPTION>
                SIGNATURE                               TITLE                      DATE
- ------------------------------------------  ------------------------------    --------------
<C>                                         <S>                               <C>
 
          /s/ THOMAS G. STEMBERG            Chairman of the Board of           July 14, 1997
- ------------------------------------------  Directors and Chief Executive
            THOMAS G. STEMBERG              Officer (Principal Executive
                                            Officer)
 
           /s/ MARTIN E. HANAKA             President and Director             July 14, 1997
- ------------------------------------------
             MARTIN E. HANAKA
           /s/ JOHN J. MAHONEY              Executive Vice President and       July 14, 1997
- ------------------------------------------  Chief Financial Officer
             JOHN J. MAHONEY                (Principal Financial Officer)
 
           /s/ JAMES E. FLAVIN              Senior Vice President --           July 14, 1997
- ------------------------------------------  Finance (Principal Accounting
             JAMES E. FLAVIN                Officer)
 
        /s/ MARY ELIZABETH BURTON           Director                           July 14, 1997
- ------------------------------------------
          MARY ELIZABETH BURTON
</TABLE>
 
                                      II-4
<PAGE>   22
 
<TABLE>
<CAPTION>
                SIGNATURE                               TITLE                      DATE
- ------------------------------------------  ------------------------------    --------------
<C>                                         <S>                               <C>
 
- ------------------------------------------  Director
            W. LAWRENCE HEISEY
 
               /s/ LEO KAHN                 Director                            July 14,1997
- ------------------------------------------
                 LEO KAHN
 
         /s/ JAMES L. MOODY, JR.            Director                            July 14,1997
- ------------------------------------------
           JAMES L. MOODY, JR.
 
         /s/ ROWLAND T. MORIARTY            Director                            July 14,1997
- ------------------------------------------
           ROWLAND T. MORIARTY
 
          /s/ ROBERT C. NAKASONE            Director                            July 14,1997
- ------------------------------------------
            ROBERT C. NAKASONE
 
            /s/ W. MITT ROMNEY              Director                            July 14,1997
- ------------------------------------------
              W. MITT ROMNEY
 
             /s/ MARTIN TRUST               Director                            July 14,1997
- ------------------------------------------
               MARTIN TRUST
 
            /s/ PAUL F. WALSH               Director                            July 14,1997
- ------------------------------------------
              PAUL F. WALSH
</TABLE>
 
                                      II-5
<PAGE>   23
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
EXHIBIT                                      DESCRIPTION OF EXHIBIT
- -------         --------------------------------------------------------------------------------
<S>             <C>
   *1     --    Form of Underwriting Agreement.
    4.1   --    Form of Indenture for Senior Debt Securities between the Company and The Chase
                Manhattan Bank, as Trustee.
    4.2   --    Form of Senior Debt Securities (included in Exhibit 4.1).
    4.3   --    Form of Indenture for Subordinated Debt Securities between the Company and The
                Chase Manhattan Bank, as Trustee.
    4.4   --    Form of Subordinated Debt Securities (included in Exhibit 4.3).
  **5     --    Opinion of Hale and Dorr LLP.
   12     --    Computation of Ratio of Earnings to Fixed Charges.
   23.1   --    Consent of Ernst & Young LLP.
   23.2   --    Consent of Hale and Dorr LLP (included in Exhibit 5).
   24     --    Power of Attorney (appears on Page II-4).
   25.1   --    Statement of Eligibility of Trustee under the Trust Indenture Act of 1939 on
                Form T-1 for the Senior Debt Securities.
   25.2   --    Statement of Eligibility of Trustee under the Trust Indenture Act of 1939 on
                Form T-1 for the Subordinated Debt Securities.
</TABLE>
 
- ---------------
 
* To be filed by amendment or as an exhibit to a Current Report on Form 8-K.
 
** To be filed by amendment.

<PAGE>   1

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





                                  STAPLES, INC.


                                       TO


                            THE CHASE MANHATTAN BANK
                                             Trustee



                                   ----------



                                    INDENTURE


                           Dated as of ________, 1997




                                   ----------



                          SENIOR DEBT SECURITIES



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





<PAGE>   2



                                  STAPLES, INC.
    CERTAIN SECTIONS OF THIS INDENTURE RELATING TO SECTIONS 310 THROUGH 318,
                 INCLUSIVE, OF THE TRUST INDENTURE ACT OF 1939:

TRUST INDENTURE
  ACT SECTION                                                 INDENTURE SECTION

ss.310(a)(1)     ..............................................  609
      (a)(2)     ..............................................  609
      (a)(3)     ..............................................  Not Applicable
      (a)(4)     ..............................................  Not Applicable
      (b)         .............................................. 608
                                                                 610
ss.311(a)        ..............................................  613
      (b)        ..............................................  613
ss.312(a)        ..............................................  701
                                                                 702
      (b)        ..............................................  702
      (c)        ..............................................  702
ss.313(a)        ..............................................  703
      (b)        ..............................................  703
      (c)        ..............................................  703
      (d)        ..............................................  703
ss.314(a)        ..............................................  704
      (a)(4)     ..............................................  101
                                                                1004
      (b)        ..............................................  Not Applicable
      (c)(1)     ..............................................  102
      (c)(2)     ..............................................  102
      (c)(3)     ..............................................  Not Applicable
      (d)        ..............................................  Not Applicable
      (e)        ..............................................  102
ss.315(a)        ..............................................  601
      (b)        ..............................................  602
      (c)        ..............................................  601
      (d)        ..............................................  601
      (e)        ..............................................  514
ss.316(a)        ..............................................  101
      (a)(1)(A)  ..............................................  502
                                                                 512
      (a)(1)(B)  ..............................................  513
      (a)(2)     ..............................................  Not Applicable
      (b)        ..............................................  508
      (c)        ..............................................  104
ss.317(a)(1)     ..............................................  503
      (a)(2)     ..............................................  504
      (b)        .............................................. 1003
ss.318(a)        ..............................................  107

- ----------

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






<PAGE>   3
                                TABLE OF CONTENTS
                                -----------------



RECITALS OF THE COMPANY.......................................................1

                                  ARTICLE ONE

                        DEFINITIONS AND OTHER PROVISIONS
                             OF GENERAL APPLICATION

SECTION 101.  Definitions.....................................................1
      Act ....................................................................2
      Affiliate...............................................................2
      control ................................................................2
      Attributable Value......................................................2
      Authenticating Agent....................................................2
      Board of Directors......................................................2
      Board Resolution........................................................2
      Business Day............................................................2
      Commission..............................................................3
      Company ................................................................3
      Company Request.........................................................3
      Company Order...........................................................3
      Consolidated Net Tangible Assets........................................3
      Corporate Trust Office..................................................3
      corporation.............................................................3
      Covenant Defeasance.....................................................3
      Defaulted Interest......................................................3
      Defeasance..............................................................3
      Depositary..............................................................3
      Event of Default........................................................3
      Exchange Act............................................................3
      Expiration Date.........................................................4
      Global Security.........................................................4
      Holder .................................................................4
      Indebtedness............................................................4
      Indenture...............................................................4
      interest ...............................................................4
      Interest Payment Date...................................................4
      Investment Company Act..................................................4
      Lien ...................................................................4




- ----------
  NOTE:  This table of contents shall not, for any purpose, be deemed to be a
         part of the Indenture.


<PAGE>   4
                                                                            PAGE
                                                                            ----

      Maturity ...............................................................4
      Net Available Proceeds..................................................5
      Notice of Default.......................................................5
      Officers' Certificate...................................................5
      Opinion of Counsel......................................................5
      Original Issue Discount Security........................................5
      Outstanding.............................................................6
      Paying Agent............................................................7
      Person .................................................................7
      Place of Payment........................................................7
      Predecessor Security....................................................7
      Principal Property......................................................7
      Principal Subsidiary....................................................7
      Redemption Date.........................................................7
      Redemption Price........................................................7
      Regular Record Date.....................................................7
      Responsible Officer.....................................................7
      Sale and Lease-Back Transaction.........................................8
      Securities..............................................................8
      Securities Act..........................................................8
      Security Register" and "Security Registrar .............................8
      Special Record Date.....................................................8
      Stated Maturity.........................................................8
      Subsidiary..............................................................8
      Trust Indenture Act.....................................................8
      Trustee ................................................................8
      U.S. Government Obligation..............................................9
      Vice President..........................................................9
      Voting Stock............................................................9
      Wholly Owned............................................................9
SECTION 102.  Compliance Certificates and Opinions ...........................9
SECTION 103.  Form of Documents Delivered to Trustee .........................9
SECTION 104.  Acts of Holders; Record Dates..................................10
SECTION 105.  Notices, Etc., to Trustee and Company .........................12
SECTION 106.  Notice to Holders; Waiver......................................13
SECTION 107.  Conflict with Trust Indenture Act .............................13
SECTION 108.  Effect of Headings and Table of Contents ......................13
SECTION 109.  Successors and Assigns.........................................13
SECTION 110.  Separability Clause............................................14
SECTION 111.  Benefits of Indenture..........................................14
SECTION 112.  Governing Law..................................................14
SECTION 113.  Legal Holidays.................................................14



                                      -ii-
<PAGE>   5
                                                                            PAGE
                                                                            ----
                                   ARTICLE TWO

                                 SECURITY FORMS

SECTION 201.  Forms Generally................................................14
SECTION 202.  Form of Face of Security.......................................15
SECTION 203.  Form of Reverse of Security....................................17
SECTION 204.  Form of Legend for Global Securities ..........................22
SECTION 205.  Form of Trustee's Certificate of Authentication ...............22


                                  ARTICLE THREE

                                 THE SECURITIES

SECTION 301.  Amount Unlimited; Issuable in Series ..........................22
SECTION 302.  Denominations..................................................25
SECTION 303.  Execution, Authentication, Delivery and Dating ................25
SECTION 304.  Temporary Securities...........................................27
SECTION 305.  Registration, Registration of Transfer and Exchange ...........27
SECTION 306.  Mutilated, Destroyed, Lost and Stolen Securities ..............29
SECTION 307.  Payment of Interest; Interest Rights Preserved ................30
SECTION 308.  Persons Deemed Owners..........................................31
SECTION 309.  Cancellation...................................................31
SECTION 310.  Computation of Interest........................................32
SECTION 311.  CUSIP Numbers..................................................32


                                  ARTICLE FOUR

                           SATISFACTION AND DISCHARGE

SECTION 401.  Satisfaction and Discharge of Indenture .......................32
SECTION 402.  Application of Trust Money.....................................33


                                  ARTICLE FIVE

                                    REMEDIES

SECTION 501.  Events of Default..............................................33
SECTION 502.  Acceleration of Maturity; Rescission and Annulment ............35
SECTION 503.  Collection of Indebtedness and Suits for Enforcement 
              by Trustee ....................................................36
SECTION 504.  Trustee May File Proofs of Claim ..............................37





                                     -iii-
<PAGE>   6
                                                                            PAGE
                                                                            ----


SECTION 505.  Trustee May Enforce Claims Without Possession 
              of Securities .................................................38
SECTION 506.  Application of Money Collected.................................38
SECTION 507.  Limitation on Suits............................................38
SECTION 508.  Unconditional Right of Holders to Receive Principal,
              Premium and Interest...........................................39
SECTION 509.  Restoration of Rights and Remedies ............................39
SECTION 510.  Rights and Remedies Cumulative.................................39
SECTION 511.  Delay or Omission Not Waiver...................................40
SECTION 512.  Control by Holders.............................................40
SECTION 513.  Waiver of Past Defaults........................................40
SECTION 514.  Undertaking for Costs..........................................41
SECTION 515.  Waiver of Usury, Stay or Extension Laws .......................41


                                   ARTICLE SIX

                                  THE TRUSTEE

SECTION 601.  Certain Duties and Responsibilities ...........................41
SECTION 602.  Notice of Defaults.............................................42
SECTION 603.  Certain Rights of Trustee......................................42
SECTION 604.  Not Responsible for Recitals or Issuance of Securities ........43
SECTION 605.  May Hold Securities............................................43
SECTION 606.  Money Held in Trust............................................44
SECTION 607.  Compensation and Reimbursement.................................44
SECTION 608.  Conflicting Interests..........................................44
SECTION 609.  Corporate Trustee Required; Eligibility .......................45
SECTION 610.  Resignation and Removal; Appointment of Successor..............45
SECTION 611.  Acceptance of Appointment by Successor.........................46
SECTION 612.  Merger, Conversion, Consolidation or Succession to 
              Business ......................................................48
SECTION 613.  Preferential Collection of Claims Against Company .............48
SECTION 614.  Appointment of Authenticating Agent ...........................48


                                  ARTICLE SEVEN

               HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

SECTION 701.  Company to Furnish Trustee Names and Addresses of Holders .....50
SECTION 702.  Preservation of Information; Communications to Holders ........50
SECTION 703.  Reports by Trustee.............................................51
SECTION 704.  Reports by Company.............................................51



                                      -iv-
<PAGE>   7
                                                                            PAGE
                                                                            ----

                                  ARTICLE EIGHT

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

SECTION 801.  Company May Consolidate, Etc., Only on Certain Terms ..........51
SECTION 802.  Successor Substituted..........................................52


                                  ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

SECTION 901.  Supplemental Indentures Without Consent of Holders ............53
SECTION 902.  Supplemental Indentures With Consent of Holders ...............54
SECTION 903.  Execution of Supplemental Indentures ..........................55
SECTION 904.  Effect of Supplemental Indentures .............................55
SECTION 905.  Conformity with Trust Indenture Act ...........................56
SECTION 906.  Reference in Securities to Supplemental Indentures ............56


                                   ARTICLE TEN

                                   COVENANTS

SECTION 1001.  Payment of Principal, Premium and Interest ...................56
SECTION 1002.  Maintenance of Office or Agency ..............................56
SECTION 1003.  Money for Securities Payments to be Held in Trust ............57
SECTION 1004.  Statement by Officers as to Default ..........................58
SECTION 1005.  Existence.....................................................58
SECTION 1006.  Maintenance of Properties.....................................58
SECTION 1007.  Payment of Taxes and Other Claims ............................59
SECTION 1008.  Limitation on Liens...........................................59
SECTION 1009.  Limitation on Sale and Lease-Back Transactions ...............60
SECTION 1010.  Waiver of Certain Covenants...................................61


                                 ARTICLE ELEVEN

                            REDEMPTION OF SECURITIES

SECTION 1101.  Applicability of Article......................................62
SECTION 1102.  Election to Redeem; Notice to Trustee ........................62
SECTION 1103.  Selection by Trustee of Securities to be Redeemed.............62
SECTION 1104.  Notice of Redemption..........................................63




                                      -v-
<PAGE>   8
                                                                            PAGE
                                                                            ----

SECTION 1105.  Deposit of Redemption Price...................................64
SECTION 1106.  Securities Payable on Redemption Date.........................64
SECTION 1107.  Securities Redeemed in Part...................................64


                                 ARTICLE TWELVE

                                 SINKING FUNDS

SECTION 1201.  Applicability of Article......................................65
SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities ........65
SECTION 1203.  Redemption of Securities for Sinking Fund ....................65

                                ARTICLE THIRTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE

SECTION 1301.  Company's Option to Effect Defeasance or Covenant 
               Defeasance ...................................................66
SECTION 1302.  Defeasance and Discharge......................................66
SECTION 1303.  Covenant Defeasance...........................................67
SECTION 1304.  Conditions to Defeasance or Covenant Defeasance...............67
SECTION 1305.  Deposited Money and U.S. Government Obligations 
               to be Held in Trust; Miscellaneous Provisions ................69
SECTION 1306.  Reinstatement.................................................70






                                      -vi-
<PAGE>   9




     INDENTURE, dated as of ________ ___, 1997, between STAPLES, INC., a
corporation duly organized and existing under the laws of the State of Delaware
(herein called the "Company"), having its principal office at One Research
Drive, Westborough, Massachusetts 01581, and THE CHASE MANHATTAN BANK, a banking
corporation duly organized and existing under the laws of the State of New York,
as Trustee (herein called the "Trustee").

                             RECITALS OF THE COMPANY

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

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

     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 agreed, for the equal and proportionate
benefit of all Holders of the Securities or of series thereof, as follows:


                                   ARTICLE ONE

                        DEFINITIONS AND OTHER PROVISIONS
                             OF GENERAL APPLICATION


SECTION 101.  Definitions.

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

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

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

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





<PAGE>   10

          (4) unless the context otherwise requires, any reference to an
     "Article" or a "Section" refers to an Article or a Section, as the case may
     be, of this Indenture; and

          (5) 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.

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

     "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition,
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing. Notwithstanding the foregoing, a Person which is a registered
investment advisor or an Affiliate thereof and which owns 15% or less of the
outstanding voting stock of the Company will not be deemed to control the
Company. 

     "Attributable Value" in respect of any Sale and Lease-Back Transaction
means, as of the time of determination, the lesser of (i) the sale price of the
Principal Property so leased multiplied by a fraction the numerator of which is
the remaining portion of the base term of the lease included in such Sale and
Lease-Back Transaction and the denominator of which is the base term of such
lease, and (ii) the total obligation (discounted to present value at the highest
rate of interest specified by the terms of any series of Securities then
Outstanding compounded semi-annually) of the lessee for rental payments (other
than amounts required to be paid on account of property taxes as well as
maintenance, repairs, insurance, water rates and other items which do not
constitute payments for property rights) during the remaining portion of the
base term of the lease included in such Sale and Lease-Back Transaction.

     "Authenticating Agent" means any Person authorized by the Trustee pursuant
to Section 614 to act on behalf of the Trustee to authenticate Securities of one
or more series.

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

     "Board Resolution" means a copy of a resolution certified by the Secretary
or an Assistant Secretary of the Company to have been duly adopted by the Board
of Directors (or a duly appointed committee of the Board of Directors) and to 
be in full force and effect on the date of such certification, and delivered 
to the Trustee.

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



                                      -2-
<PAGE>   11

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

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

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

     "Consolidated Net Tangible Assets" of the Company means the aggregate
amount of assets (less applicable reserves and other properly deductible items)
after deducting therefrom (a) all current liabilities (excluding any
indebtedness for money borrowed having a maturity of less than 12 months from
the date of the most recent consolidated balance sheet of the Company but which
by its terms is renewable or extendable beyond 12 months from such date at the
option of the borrower) and (b) all goodwill, trade names, patents, unamortized
debt discount and expense and any other like intangibles, all as set forth on
the most recent consolidated balance sheet of the Company and computed in
accordance with generally accepted accounting principles.

     "Corporate Trust Office" means the principal office of the Trustee in The
City of New York at which at any particular time its corporate trust business
shall be administered.

     "corporation" means a corporation, limited liability company, association,
company, partnership, joint-stock company or business trust.

     "Covenant Defeasance" has the meaning specified in Section 1303.

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

     "Defeasance" has the meaning specified in Section 1302.

     "Depositary" means, with respect to Securities of any series issuable in
whole or in part in the form of one or more Global Securities, a clearing agency
registered under the Exchange Act that is designated to act as Depositary for
such Securities as contemplated by Section 301.

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

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



                                      -3-
<PAGE>   12

     "Expiration Date" has the meaning specified in Section 104.

     "Global Security" means a Security that evidences all or part of the
Securities of any series and bears the legend set forth in Section 204 (or such
legend as may be specified as contemplated by Section 301 for such Securities).

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

     "Indebtedness" of any Person means (without duplication), with respect to
any Person, (i) every obligation of such Person for money borrowed, (ii) every
obligation of such Person evidenced by bonds, debentures, notes or other similar
instruments, (iii) every reimbursement obligation of such Person with respect to
letters of credit, bankers' acceptances or similar facilities issued for the
account of such Person and (iv) every obligation of the type referred to in
clauses (i) through (iii) of another Person the payment of which such Person has
guaranteed or is responsible or liable for, directly or indirectly, as obligor,
guarantor or otherwise (but only, in the case of clause (iv), to the extent such
Person has guaranteed or is responsible or liable for such obligations).

     "Indenture" means this instrument as originally executed and 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, including, for
all purposes of this instrument and any such supplemental indenture, the
provisions of the Trust Indenture Act that are deemed to be a part of and govern
this instrument and any such supplemental indenture, respectively. The term
"Indenture" shall also include the terms of particular series of Securities
established as contemplated by Section 301.

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

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

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

     "Lien" means, with respect to any property or assets, any mortgage or deed
of trust, pledge, hypothecation, assignment, security interest, lien,
encumbrance, or other security arrangement of any kind or nature whatsoever on
or with respect to such property or assets (including any conditional sale or
other title retention agreement having substantially the same economic effect as
any of the foregoing).

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




                                      -4-
<PAGE>   13


     "Net Available Proceeds" from any Sale and Lease-Back Transaction by any
Person means cash or readily marketable cash equivalents received (including by
way of sale or discounting of a note, installment receivable or other
receivable, but excluding any other consideration received in the form of
assumption by the acquiree of Indebtedness or obligations relating to the
properties or assets that are the subject of such Sale and Lease-Back
Transaction or received in any other noncash form) therefrom by such Person, net
of (i) all legal, title and recording tax expenses, commissions and other fees
and expenses incurred and all Federal, state, provincial, foreign and local
taxes required to be accrued as a liability as a consequence of such Sale and
Lease-Back Transaction; (ii) all payments made by such Person or its
Subsidiaries on any Indebtedness which is secured in whole or in part by any
such properties and assets in accordance with the terms of any Lien upon or with
respect to any such properties and assets or which must, by the terms of such
Lien, or in order to obtain a necessary consent to such Sale and Lease-Back
Transaction or by applicable law, be repaid out of the proceeds from such Sale
and Lease-Back Transaction; and (iii) all distributions and other payments made
to minority interest holders in Subsidiaries of such Person or joint ventures as
a result of such Sale and Lease-Back Transaction; PROVIDED, HOWEVER, that for
purposes of clause (ii) of Section 1009 hereof the amount of Net Available
Proceeds to be applied to any acquisition of Principal Properties or retirement
of Securities or other Indebtedness shall be reduced by an amount equal to the
sum of (A) an amount equal to the redemption price with respect to such
Securities delivered within 180 days after the effective date of such Sales and
Lease-Back Transaction to the Trustee for retirement and cancellation and (B)
the principal amount, plus any premium or fee paid in connection with a
redemption in accordance with the terms, of such other Indebtedness voluntarily
retired by the Company within such 180-day period, excluding in each case
retirements pursuant to mandatory sinking fund or prepayment provisions and
payments at maturity.

     "Notice of Default" means a written notice of the kind specified in Section
501(4) or 501(5).

     "Officers' Certificate" means a certificate signed by the Chairman of the
Board, a Vice Chairman of the Board, the President or a Vice President, and by
the Treasurer, an Assistant Treasurer, the Secretary or an Assistant Secretary,
of the Company, and delivered to the Trustee. One of the officers signing an
Officers' Certificate given pursuant to Section 1004 shall be the principal
executive, financial or accounting officer of the Company.

     "Opinion of Counsel" means a written opinion of counsel, who may be counsel
for the Company, and who shall be reasonably acceptable 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.




                                      -5-
<PAGE>   14

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

          (1) Securities theretofore cancelled by the Trustee or delivered to
     the Trustee for cancellation;

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

          (3) Securities as to which Defeasance has been effected pursuant to
     Section 1302; and

          (4) 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;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given, made or taken any
request, demand, authorization, direction, notice, consent, waiver or other
action hereunder as of any date, (A) the principal amount of an Original Issue
Discount Security which shall be deemed to be Outstanding shall be the amount of
the principal thereof which would be due and payable as of such date upon
acceleration of the Maturity thereof to such date pursuant to Section 502, (B)
if, as of such date, the principal amount payable at the Stated Maturity of a
Security is not determinable, the principal amount of such Security which shall
be deemed to be Outstanding shall be the amount as specified or determined as
contemplated by Section 301, (C) the principal amount of a Security denominated
in one or more foreign currencies or currency units which shall be deemed to be
Outstanding shall be the U.S. dollar equivalent, determined as of such date in
the manner provided as contemplated by Section 301, of the principal amount of
such Security (or, in the case of a Security described in Clause (A) or (B)
above, of the amount determined as provided in such Clause), and (D) Securities
owned by the Company or any other obligor upon the Securities or any Affiliate
of the Company or of such other obligor shall be disregarded and deemed not to
be Outstanding, except that, in determining whether the Trustee shall be
protected in relying upon any such request, demand, authorization, direction,
notice, consent, waiver or other action, 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 



                                      -6-
<PAGE>   15

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 or any premium or interest on any Securities on behalf of the
Company.

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

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

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

     "Principal Property" means any real property or any permanent improvement
thereon owned by the Company or any of its Subsidiaries including, without
limitation, any office, store, warehouse, manufacturing facility or plant or any
portion thereof, and any equipment located at or comprising a part of any such
property, having a net book value, as of the date of determination, in excess of
1% of Consolidated Net Tangible Assets of the Company.

     "Principal Subsidiary" means any Subsidiary which owns any Principal
Property.

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

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

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

     "Responsible Officer", when used with respect to the Trustee, means any
officer of the Trustee with direct responsibility for the administration of this
Indenture and also means, with respect to a particular corporate trust matter,
any other officer to whom such matter is referred because of his knowledge of
and familiarity with the particular subject.



                                      -7-
<PAGE>   16

     "Sale and Lease-Back Transaction" of any Person means an arrangement with
any lender or investor or to which such lender or investor is a party providing
for the leasing by such Person of any Principal Property that, more than 12
months after (i) the completion of the acquisition, construction, development or
improvement of such Principal Property or (ii) the placing in operation of such
Principal Property or of such Principal Property as so constructed, developed or
improved, has been or is being sold, conveyed, transferred or otherwise disposed
of by such Person to such lender or investor or to any Person to whom funds have
been or are to be advanced by such lender on the security of such Principal
Property. The term of such arrangement, as of any date (the "measurement date"),
shall end on the date of the last payment of rent or any other amount due under
such arrangement on or prior to the first date after the measurement date on
which such arrangement may be terminated by the lessee, at its sole option,
without payment of a penalty.

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

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

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

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

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

     "Subsidiary" means a corporation more than 50% of the outstanding voting
stock of which is owned, directly or indirectly, by the Company or a Person or
by one or more other Subsidiaries of the Company or that Person, or by the
Company or a Person and one or more other Subsidiaries of the Company or that
Person. For the purposes of this definition, "voting stock" means stock which
ordinarily has voting power for the election of directors, whether at all times
or only so long as no senior class of stock has such voting power by reason of
any contingency.

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

     "Trustee" means the Person named as the "Trustee" in the first paragraph of
this instrument until a successor Trustee shall have become such pursuant to the
applicable 




                                      -8-
<PAGE>   17

provisions of this Indenture, and thereafter "Trustee" shall mean or include
each Person who is then a Trustee hereunder, and if at any time there is more
than one such Person, "Trustee" as used with respect to the Securities of any
series shall mean the Trustee with respect to Securities of that series.

     "U.S. Government Obligation" has the meaning specified in Section 1304.

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

     "Voting Stock" means, with respect to any corporation, securities of any
class or classes, the holders of which are ordinarily, in the absence of
contigencies, entitled to elect a majority of the corporate directors (or
Persons performing similar functions) of such corporation.

     "Wholly Owned" means, when used in connection with any Subsidiary, a
Subsidiary of which all of the issued and outstanding shares of Voting Stock
(except shares required as directors' qualifying shares) are owned by the
Company and/or one or more Wholly Owned Subsidiaries.

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 such certificates and opinions as may be required under the Trust
Indenture Act. Each such certificate or opinion shall be given in the form of an
Officers' Certificate, if to be given by an officer of the Company, or an
Opinion of Counsel, if to be given by counsel, and shall comply with the
requirements of the Trust Indenture Act and any other requirements set forth in
this Indenture.

     Every certificate or opinion with respect to compliance with a condition or
covenant provided for in this Indenture (except for certificates provided for in
Section 1004) shall include,

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

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

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

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


SECTION 103.  Form of Documents Delivered to Trustee.

     In any case where several matters are required to be certified by, or
covered by an opinion of, any specified Person, it is not necessary that all
such matters be certified by, or covered by the opinion of, only one such
Person, or that they be so certified or covered 



                                      -9-
<PAGE>   18

by only one document, but one such Person may certify or give an opinion with
respect to some matters and one or more other such Persons as to other matters,
and any such Person may certify or give an opinion as to such matters in one or
several documents.

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

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


SECTION 104.  Acts of Holders; Record Dates.

     Any request, demand, authorization, direction, notice, consent, waiver or
other action provided or permitted by this Indenture to be given, made or taken
by Holders may be embodied in and evidenced by one or more instruments of
substantially similar tenor signed by such Holders in person or by agent duly
appointed in writing; and, except as herein otherwise expressly provided, such
action shall become effective when such instrument or instruments are delivered
to the Trustee and, where it is hereby expressly required, to the Company. Such
instrument or instruments (and the action embodied therein and evidenced
thereby) are herein sometimes referred to as the "Act" of the Holders signing
such instrument or instruments. Proof of execution of any such instrument or of
a writing appointing any such agent shall be sufficient for any purpose of this
Indenture and (subject to Section 601) conclusive in favor of the Trustee and
the Company, if made in the manner provided in this Section.

     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 manner which the Trustee deems sufficient.

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



                                      -10-
<PAGE>   19
     Any request, demand, authorization, direction, notice, consent, waiver or
other Act of the Holder of any Security shall bind every future Holder of the
same Security and the Holder of every Security issued upon the registration of
transfer thereof or in exchange therefor or in lieu thereof in respect of
anything done, omitted or suffered to be done by the Trustee or the Company in
reliance thereon, whether or not notation of such action is made upon such
Security.

     The Company may set any day as a record date for the purpose of determining
the Holders of Outstanding Securities of any series entitled to give, make or
take any request, demand, authorization, direction, notice, consent, waiver or
other action provided or permitted by this Indenture to be given, made or taken
by Holders of Securities of such series, provided that the Company may not set a
record date for, and the provisions of this paragraph shall not apply with
respect to, the giving or making of any notice, declaration, request or
direction referred to in the next paragraph. If any record date is set pursuant
to this paragraph, the Holders of Outstanding Securities of the relevant series
on such record date, and no other Holders, shall be entitled to take the
relevant action, whether or not such Holders remain Holders after such record
date; provided that no such action shall be effective hereunder unless taken on
or prior to the applicable Expiration Date by Holders of the requisite principal
amount of Outstanding Securities of such series on such record date. Nothing in
this paragraph shall be construed to prevent the Company from setting a new
record date for any action for which a record date has previously been set
pursuant to this paragraph (whereupon the record date previously set shall
automatically and with no action by any Person be cancelled and of no effect),
and nothing in this paragraph shall be construed to render ineffective any
action taken by Holders of the requisite principal amount of Outstanding
Securities of the relevant series on the date such action is taken. Promptly
after any record date is set pursuant to this paragraph, the Company, at its own
expense, shall cause notice of such record date, the proposed action by Holders
and the applicable Expiration Date to be given to the Trustee in writing and to
each Holder of Securities of the relevant series in the manner set forth in
Section 106.

     The Trustee may set any day as a record date for the purpose of determining
the Holders of Outstanding Securities of any series entitled to join in the
giving or making of (i) any Notice of Default, (ii) any declaration of
acceleration referred to in Section 502, (iii) any request to institute
proceedings referred to in Section 507(2) or (iv) any direction referred to in
Section 512, in each case with respect to Securities of such series. If any
record date is set pursuant to this paragraph, the Holders of Outstanding
Securities of such series on such record date, and no other Holders, shall be
entitled to join in such notice, declaration, request or direction, whether or
not such Holders remain Holders after such record date; provided that no such
action shall be effective hereunder unless taken on or prior to the applicable
Expiration Date by Holders of the requisite principal amount of Outstanding
Securities of such series on such record date. Nothing in this paragraph shall
be construed to prevent the Trustee from setting a new record date for any
action for which a record date has previously been set pursuant to this
paragraph (whereupon the record date previously set shall automatically and with
no action by any Person be cancelled and of no effect), and nothing in this
paragraph shall be construed to render ineffective any action taken by Holders
of the requisite principal amount of Outstanding



                                      -11-
<PAGE>   20

Securities of the relevant series on the date such action is taken. Promptly
after any record date is set pursuant to this paragraph, the Trustee, at the
Company's expense, shall cause notice of such record date, the proposed action
by Holders and the applicable Expiration Date to be given to the Company in
writing and to each Holder of Securities of the relevant series in the manner
set forth in Section 106.

     With respect to any record date set pursuant to this Section, the party
hereto which sets such record date may designate any day as the "Expiration
Date" and from time to time may change the Expiration Date to any earlier or
later day; provided that no such change shall be effective unless notice of the
proposed new Expiration Date is given to the other party hereto in writing, and
to each Holder of Securities of the relevant series in the manner set forth in
Section 106, on or prior to the existing Expiration Date. If an Expiration Date
is not designated with respect to any record date set pursuant to this Section,
the party hereto which set such record date shall be deemed to have initially
designated the 180th day after such record date as the Expiration Date with
respect thereto, subject to its right to change the Expiration Date as provided
in this paragraph. Notwithstanding the foregoing, no Expiration Date shall be
later than the 180th day after the applicable record date.

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


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
     Trustee Administration Department.

          (2) the Company by the Trustee or by any Holder shall be sufficient
     for every purpose hereunder (unless otherwise herein expressly provided) if
     in writing and mailed, first-class postage prepaid, to the Company
     addressed to it at the address of its principal office specified in the
     first paragraph of this instrument to the attention of the Chief Financial
     Officer, with a copy to be sent to Staples, Inc., 100 Pennsylvania Avenue,
     Framingham, MA 01701, Attention: General Counsel, or at any other address 
     previously furnished in writing to the Trustee by the Company.




                                      -12-
<PAGE>   21

SECTION 106.  Notice to Holders; Waiver.

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

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


SECTION 107.  Conflict with Trust Indenture Act.

     If any provision hereof limits, qualifies or conflicts with a provision of
the Trust Indenture Act which is required under such Act to be a part of and
govern this Indenture, the latter provision shall control. If any provision of
this Indenture modifies or excludes any provision of the Trust Indenture Act
which may be so modified or excluded, the latter provision shall be deemed to
apply to this Indenture as so modified or to be excluded, as the case may be.

SECTION 108.  Effect of Headings and Table of Contents.

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


SECTION 109.  Successors and Assigns.

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



                                      -13-
<PAGE>   22

SECTION 110.  Separability Clause.

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


SECTION 111.  Benefits of Indenture.

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


SECTION 112.  Governing Law.

    This Indenture and the Securities shall be governed by and construed in
accordance with the laws of the State of New York.


SECTION 113. Legal Holidays.

    In any case where any Interest Payment Date, Redemption Date or Stated
Maturity of any Security shall not be a Business Day at any Place of Payment,
then (notwithstanding any other provision of this Indenture or of the Securities
(other than a provision of any Security which specifically states that such
provision shall apply in lieu of this Section)) payment of interest or principal
(and premium, if any) need not be made at such Place of Payment on such date,
but may be made on the next succeeding Business Day at such Place of Payment
with the same force and effect as if made on the Interest Payment Date or
Redemption Date, or at the Stated Maturity.


                                   ARTICLE TWO

                                 SECURITY FORMS


SECTION 201.  Forms Generally.

     The Securities of each series shall be in substantially the form set forth
in this Article, or in such other form as shall be established by or pursuant to
a Board Resolution or in one or more indentures supplemental hereto, in each
case with such appropriate insertions, omissions, substitutions and other
variations as are required or permitted by this Indenture, and may have such
letters, numbers or other marks of identification and such legends or
endorsements placed thereon as may be required to comply with the rules of any
securities 

                                      -14-

<PAGE>   23

exchange or Depositary therefor or as may, consistently herewith, be determined
by the officers executing such Securities, as evidenced by their execution
thereof. If the form of Securities of any series is established by action taken
pursuant to a Board Resolution, a copy of an appropriate record of such action
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
contemplated by Section 303 for the authentication and delivery of such
Securities.

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


SECTION 202.  Form of Face of Security.

     [Insert any legend required by the Internal Revenue Code and the
regulations thereunder.]


                                  STAPLES, INC.

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

No. .........                                                         $ .......

     Staples, Inc., a corporation duly organized and existing under the laws of
Delaware (herein called the "Company", which term includes any successor Person
under the Indenture hereinafter referred to), for value received, hereby
promises to pay to ..............................................., or
registered assigns, the principal sum of ......................................
Dollars on ........................................... [if the Security is to
bear interest prior to Maturity, insert -- , and to pay interest thereon from
 ............. or from the most recent Interest Payment Date to which interest
has been paid or duly provided for, semi-annually in arrears on ............ and
 ............ in each year, commencing ........., at the rate of ....% per annum,
until the principal hereof is paid or made available for payment [if applicable,
insert -- , provided that any principal and premium, and any such instalment of
interest, which is overdue shall bear interest at the rate of ...% per annum (to
the extent that the payment of such interest shall be legally enforceable), from
the dates such amounts are due until they are paid or made available for
payment, and such interest shall be payable on demand]. The interest so payable,
and punctually paid or duly provided for, on any Interest Payment Date will, as
provided in such Indenture, be paid to the Person in whose name this Security
(or one or more Predecessor Securities) is registered at the close of business
on the Regular Record Date for such interest, which shall be the ....... or
 ....... (whether or not a Business Day), as the case may be, next preceding such
Interest Payment Date. Any such interest not so punctually paid or duly provided
for will forthwith cease to be payable to the Holder on such Regular Record Date
and may either be paid to the Person in whose name this Security (or one or more
Predecessor Securities) is registered at the close of business on




                                      -15-
<PAGE>   24

a Special Record Date for the payment of such Defaulted Interest to be fixed by
the Company, notice whereof shall be given to Holders of Securities of this
series not less than 10 days prior to such Special Record Date, or be paid at
any time in any other lawful manner not inconsistent with the requirements of
any securities exchange on which the Securities of this series may be listed,
and upon such notice as may be required by such exchange, all as more fully
provided in said Indenture].

[If the Security is not to bear interest prior to Maturity, insert -- The
principal of this Security shall not bear interest except in the case of a
default in payment of principal upon acceleration, upon redemption or at Stated
Maturity and in such case the overdue principal and any overdue premium shall
bear interest at the rate of ....% per annum (to the extent that the payment of
such interest shall be legally enforceable), from the dates such amounts are due
until they are paid or made available for payment. Interest on any overdue
principal or premium shall be payable on demand. [Any such interest on overdue
principal or premium which is not paid on demand shall bear interest at the rate
of ......% per annum (to the extent that the payment of such interest on
interest shall be legally enforceable), from the date of such demand until the
amount so demanded is paid or made available for payment. Interest on any
overdue interest shall be payable on demand.]]

     Payment of the principal of (and premium, if any) and [if applicable,
insert -- any such] interest on this Security will be made at the office or
agency of the Company maintained for that purpose in ............, in such coin
or currency of the United States of America as at the time of payment is legal
tender for payment of public and private debts [if applicable, insert -- ;
provided, however, that at the option of the Company payment of interest may be
made by check mailed to the address of the Person entitled thereto as such
address shall appear in the Security Register].

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



                                      -16-
<PAGE>   25


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

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


Dated:


                                   STAPLES, INC.


                                   By
                                     ------------------------------------------

Attest:

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


SECTION 203.  Form of Reverse of Security.

     This Security is one of a duly authorized issue of securities of the
Company (herein called the "Securities"), issued and to be issued in one or more
series under an Indenture, dated as of ............... , 1997 (herein called the
"Indenture", which term shall have the meaning assigned to it in such
instrument), between the Company and The Chase Manhattan Bank, as Trustee
(herein called the "Trustee", which term includes any successor trustee under
the Indenture), and reference is hereby made to the Indenture for a statement of
the respective rights, limitations of rights, duties and immunities thereunder
of the Company, the Trustee and the Holders of the Securities and of the terms
upon which the Securities are, and are to be, authenticated and delivered. This
Security is one of the series designated on the face hereof [if applicable,
insert -- , limited in aggregate principal amount to $...........].

     [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than 30 days' notice by mail, [if applicable, insert --
(1) on ........... in any year commencing with the year ...... and ending with
the year ...... through operation of the sinking fund for this series at a
Redemption Price equal to 100% of the principal amount, and (2)] at any time [if
applicable, insert -- on or after .........., ....], as a whole or in part, at
the election of the Company, at the following Redemption Prices (expressed as



                                      -17-
<PAGE>   26

percentages of the principal amount): If redeemed [if applicable, insert -- on
or before ..............., ...%, and if redeemed] during the 12-month period
beginning ............. of the years indicated,



Year                 Redemption              Year              Redemption
                        Price                                    Price
- ----                 ----------              ----              ----------






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

     [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than 30 days' notice by mail, (1) on ............ in
any year commencing with the year .... and ending with the year .... through
operation of the sinking fund for this series at the Redemption Prices for
redemption through operation of the sinking fund (expressed as percentages of
the principal amount) set forth in the table below, and (2) at any time [if
applicable, insert -- on or after ............], as a whole or in part, at the
election of the Company, at the Redemption Prices for redemption otherwise than
through operation of the sinking fund (expressed as percentages of the principal
amount) set forth in the table below: If redeemed during the 12-month period
beginning ............ of the years indicated,

                         Redemption Price             
                           For Redemption                Redemption Price For   
                         Through Operation                Redemption Otherwise  
                              of the                     Than Through Operation 
Year                        Sinking Fund                   of the Sinking Fund  
- ----                     -----------------               ----------------------









                                      -18-
<PAGE>   27

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

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

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

     [If applicable, insert -- The Securities of this series do not provide for
any sinking fund payments.]

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

     [If applicable, insert -- The Indenture contains provisions for defeasance
at any time of [the entire indebtedness of this Security] [or] [certain
restrictive covenants and Events of Default with respect to this Security] [, in
each case] upon compliance with certain conditions set forth in the Indenture.]

     [If the Security is not an Original Issue Discount Security, insert -- If
an Event of Default with respect to Securities of this series shall occur and be
continuing, the principal of the Securities of this series may be declared due
and payable in the manner and with the effect provided in the Indenture. Upon
payment (i) of the principal so declared due and payable and (ii) of interest on
any overdue principal, premium and interest (in each case to the extent that the
payment of such interest shall be legally enforceable), all of the 




                                      -19-
<PAGE>   28

Company's obligations in respect of the payment of the principal of and premium
and interest, if any, on the Securities of this series shall terminate.]

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

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

     As provided in and subject to the provisions of the Indenture, the Holder
of this Security shall not have the right to institute any proceeding with
respect to the Indenture or for the appointment of a receiver or trustee or for
any other remedy thereunder, unless such Holder shall have previously given the
Trustee written notice of a continuing Event of Default with respect to the
Securities of this series, the Holders of not less than 25% in principal amount
of the Securities of this series at the time Outstanding shall have made written
request to the Trustee to institute proceedings in respect of such Event of
Default as Trustee and offered the Trustee reasonable indemnity, and the Trustee
shall not have received from the Holders of a majority in principal amount of
Securities of this series at the time Outstanding a direction inconsistent with
such request, and shall have failed to institute any such proceeding, for 90
days after receipt of such notice, request and offer of indemnity. The foregoing
shall not apply to any suit instituted by the Holder of this Security for the
enforcement of any payment of principal hereof or any premium or interest hereon
on or after the respective due dates expressed herein.

     No reference herein to the Indenture and no provision of this Security or
of the Indenture shall alter or impair the obligation of the Company, which is
absolute and 




                                      -20-
<PAGE>   29

unconditional, to pay the principal of and any premium and interest on this
Security at the times, place and rate, and in the coin or currency, herein
prescribed.

     As provided in the Indenture and subject to certain limitations therein set
forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or
agency of the Company in any place where the principal of and any premium and
interest on this Security are payable, duly endorsed by, or accompanied by a
written instrument of transfer in form satisfactory to the Company and the
Security Registrar duly executed by, the Holder hereof or his attorney duly
authorized in writing, and thereupon one or more new Securities of this series
and of like tenor, of authorized denominations and for the same aggregate
principal amount, will be issued to the designated transferee or transferees.

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

     No service charge shall be made for any such registration of transfer or
exchange, but the Company may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.

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

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

     The Indenture and this Security shall be governed by and construed in
accordance with the laws of the State of New York.



                                      -21-
<PAGE>   30


SECTION 204.  Form of Legend for Global Securities.

     Unless otherwise specified as contemplated by Section 301 for the
Securities evidenced thereby, every Global Security authenticated and delivered
hereunder shall bear a legend in substantially the following form:

THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A
SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE
REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE
THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.


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

     The Trustee's certificates of authentication shall be in substantially the
following form:

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


                                      THE CHASE MANHATTAN BANK, As Trustee


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


                                  ARTICLE THREE

                                 THE SECURITIES


SECTION 301.  Amount Unlimited; Issuable in Series.

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

     The Securities may be issued in one or more series. There shall be
established in or pursuant to a Board Resolution and, subject to Section 303,
set forth, or determined in the manner provided, in an Officers' Certificate, or
established in one or more indentures supplemental hereto, prior to the issuance
of Securities of any series,




                                      -22-
<PAGE>   31


          (1) the title of the Securities of the series (which shall distinguish
     the Securities of the series from Securities of any other series);

          (2) any limit upon the aggregate principal amount of the Securities of
     the series which may be authenticated and delivered under this Indenture
     (except for Securities authenticated and delivered upon registration of
     transfer of, or in exchange for, or in lieu of, other Securities of the
     series pursuant to Section 304, 305, 306, 906 or 1107 and except for any
     Securities which, pursuant to Section 303, are deemed never to have been
     authenticated and delivered hereunder);

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

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

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

          (6) the place or places where the principal of and any premium and
     interest on any Securities of the series shall be payable;

          (7) the period or periods within which, the price or prices at which
     and the terms and conditions upon which any Securities of the series may be
     redeemed, in whole or in part, at the option of the Company and, if other
     than by a Board Resolution, the manner in which any election by the Company
     to redeem the Securities shall be evidenced;

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

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

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

          (11) if other than the currency of the United States of America, the
     currency, currencies or currency units in which the principal of or any
     premium or interest on any Securities of the series shall be payable and



                                      -23-
<PAGE>   32


     the manner of determining the equivalent thereof in the currency of the
     United States of America for any purpose, including for purposes of the
     definition of "Outstanding" in Section 101;

          (12) if the principal of or any premium or interest on any Securities
     of the series is to be payable, at the election of the Company or the
     Holder thereof, in one or more currencies or currency units other than that
     or those in which such Securities are stated to be payable, the currency,
     currencies or currency units in which the principal of or any premium or
     interest on such Securities as to which such election is made shall be
     payable, the periods within which and the terms and conditions upon which
     such election is to be made and the amount so payable (or the manner in
     which such amount shall be determined; 

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

          (14) if the principal amount payable at the Stated Maturity of any
     Securities of the series will not be determinable as of any one or more
     dates prior to the Stated Maturity, the amount which shall be deemed to be
     the principal amount of such Securities as of any such date for any purpose
     thereunder or hereunder, including the principal amount thereof which shall
     be due and payable upon any Maturity other than the Stated Maturity or
     which shall be deemed to be Outstanding as of any date prior to the Stated
     Maturity (or, in any such case, the manner in which such amount deemed to
     be the principal amount shall be determined);

          (15) if applicable, that the Securities of the series, in whole or any
     specified part, shall not be defeasible pursuant to Section 1302 or Section
     1303 or both such Sections and, if other than by a Board Resolution, the
     manner in which any election by the Company to defease such Securities
     shall be evidenced;

          (16) if applicable, that any Securities of the series shall be
     issuable in whole or in part in the form of one or more Global Securities
     and, in such case, the respective Depositaries for such Global Securities,
     the form of any legend or legends which shall be borne by any such Global
     Security in addition to or in lieu of that set forth in Section 204 and any
     circumstances in addition to or in lieu of those set forth in Clause (2) of
     the last paragraph of Section 305 in which any such Global Security may be
     exchanged in whole or in part for Securities registered, and any transfer
     of such Global Security in whole or in part may be registered, in the name
     or names of Persons other than the Depositary for such Global Security or a
     nominee thereof;

          (17) any addition to or change in the Events of Default which applies
     to any Securities of the series and any change in the right of the Trustee
     or the requisite Holders of such Securities to declare the principal amount
     thereof due and payable pursuant to Section 502;




                                      -24-
<PAGE>   33


          (18) any addition to or change in the covenants set forth in Article
     Ten which applies to Securities of the series;

          (19) any restriction or condition on the transferability of the
     Securities; and

          (20) any other terms of the series (which terms shall not be
     inconsistent with the provisions of this Indenture, except as permitted by
     Section 901(5)).

     All Securities of any one series shall be substantially identical except as
to denomination and except as may otherwise be provided in or pursuant to the
Board Resolution referred to above and (subject to Section 303) set forth, or
determined in the manner provided, in the Officers' Certificate referred to
above or in any such indenture supplemental hereto.


     If any of the terms of the series are established by action taken pursuant
to a Board Resolution, a copy of an appropriate record of such action 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 Officers'
Certificate setting forth the terms of the series.


SECTION 302.  Denominations.

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


SECTION 303.  Execution, Authentication, Delivery and Dating.

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

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

     At any time and from time to time after the execution and delivery of this
Indenture, the Company may deliver Securities of any series executed by the
Company to the Trustee for authentication, together with a Company Order for the
authentication and delivery of 




                                      -25-
<PAGE>   34

such Securities, and the Trustee in accordance with the Company Order shall
authenticate and deliver such Securities. If the form or terms of the Securities
of the series have been established by or pursuant to one or more Board
Resolutions as permitted by Sections 201 and 301, in authenticating such
Securities, and accepting the additional responsibilities under this Indenture
in relation to such Securities, the Trustee shall be entitled to receive, and
(subject to Section 601) shall be fully protected in relying upon, an Opinion of
Counsel stating,

          (1) if the form of such Securities has been established by or pursuant
     to Board Resolution as permitted by Section 201, that such form has been
     established in conformity with the provisions of this Indenture;

          (2) if the terms of such Securities have been established by or
     pursuant to Board Resolution as permitted by Section 301, that such terms
     have been established in conformity with the provisions of this Indenture;
     and

          (3) that such Securities, when authenticated and delivered by the
     Trustee and issued by the Company in the manner and subject to any
     conditions specified in such Opinion of Counsel, will constitute valid and
     legally binding obligations of the Company enforceable in accordance with
     their terms, subject to bankruptcy, insolvency, fraudulent transfer,
     reorganization, moratorium and similar laws of general applicability
     relating to or affecting creditors' rights and to general equity
     principles.

If such form or terms have been so established, the Trustee shall not be
required to authenticate such Securities if the issue of such Securities
pursuant to this Indenture will affect the Trustee's own rights, duties or
immunities under the Securities and this Indenture or otherwise in a manner
which is not reasonably acceptable to the Trustee.

     Notwithstanding the provisions of Section 301 and of the preceding
paragraph, if all Securities of a series are not to be originally issued at one
time, it shall not be necessary to deliver the Officers' Certificate otherwise
required pursuant to Section 301 or the Company Order and Opinion of Counsel
otherwise required pursuant to such preceding paragraph at or prior to the
authentication of each Security of such series if such documents are delivered
at or prior to the authentication upon original issuance of the first Security
of such series to be issued.

     Each Security shall be dated the date of its authentication.

     No Security shall be entitled to any benefit under this Indenture or be
valid or obligatory for any purpose unless there appears on such Security a
certificate of authentication substantially in the form provided for herein
executed by the Trustee by manual signature, and such certificate upon any
Security shall be conclusive evidence, and the only evidence, that such Security
has been duly authenticated and delivered hereunder. Notwithstanding the
foregoing, if any Security shall have been authenticated and delivered hereunder
but never issued and sold by the Company, and the Company shall deliver such
Security to the Trustee for cancellation as provided in Section 309, for all
purposes of this 




                                      -26-
<PAGE>   35


Indenture such Security shall be deemed never to have been authenticated and
delivered hereunder and shall never be entitled to the benefits of this
Indenture.


SECTION 304.  Temporary Securities.

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

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


SECTION 305.  Registration, Registration of Transfer and Exchange.

     The Company shall cause to be kept at the Corporate Trust Office of the
Trustee a register (the register maintained in such office and in any other
office or agency of the Company in a Place of Payment being herein sometimes
collectively referred to as the "Security Register") in which, subject to such
reasonable regulations as it may prescribe, the Company shall provide for the
registration of Securities and of transfers of Securities. The Trustee is hereby
appointed "Security Registrar" for the purpose of registering Securities and
transfers of Securities as herein provided.

     Upon surrender for registration of transfer of any Security of a series at
the 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 Securities of
the same series, of any authorized denominations and of like tenor and aggregate
principal amount.

     At the option of the Holder, Securities of any series may be exchanged for
other Securities of the same series, of any authorized denominations and of like
tenor and aggregate principal amount, upon surrender of the Securities to be
exchanged at such office or 




                                      -27-
<PAGE>   36

agency. Whenever any Securities are so surrendered for exchange, the Company
shall execute, and the Trustee shall authenticate and deliver, the Securities
which the Holder making the exchange is entitled to receive.

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

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

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

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

     The provisions of Clauses (1), (2), (3) and (4) below shall apply only to
Global Securities:

          (1) Each Global Security authenticated under this Indenture shall be
     registered in the name of the Depositary designated for such Global
     Security or a nominee thereof and delivered to such Depositary or a nominee
     thereof or custodian therefor, and each such Global Security shall
     constitute a single Security for all purposes of this Indenture.

          (2) Notwithstanding any other provision in this Indenture, no Global
     Security may be exchanged in whole or in part for Securities registered,
     and no transfer of a Global Security in whole or in part may be registered,
     in the name of any Person other than the Depositary for such Global
     Security or a nominee thereof unless (A) such Depositary (i) has notified
     the Company that it is unwilling or unable to continue as Depositary for
     such Global Security or (ii) has ceased to be a clearing agency registered
     under the Exchange Act, (B) there shall have occurred and be continuing an
     Event of Default with respect to such Global Security or (C) there shall
     exist such circumstances, if any, in 




                                      -28-
<PAGE>   37

     addition to or in lieu of the foregoing as have been specified for this
     purpose as contemplated by Section 301.

          (3) Subject to Clause (2) above, any exchange of a Global Security for
     other Securities may be made in whole or in part, and all Securities issued
     in exchange for a Global Security or any portion thereof shall be
     registered in such names as the Depositary for such Global Security shall
     direct.

          (4) Every Security authenticated and delivered upon registration of
     transfer of, or in exchange for or in lieu of, a Global Security or any
     portion thereof, whether pursuant to this Section, Section 304, 306, 906 or
     1107 or otherwise, shall be authenticated and delivered in the form of, and
     shall be, a Global Security, unless such Security is registered in the name
     of a Person other than the Depositary for such Global Security or a nominee
     thereof.


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

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

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

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

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

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




                                      -29-
<PAGE>   38

equally and proportionately with any and all other Securities of that series
duly issued hereunder.

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


SECTION 307.  Payment of Interest; Interest Rights Preserved.

     Except as otherwise provided as contemplated by Section 301 with respect to
any series of Securities, interest on any Security which is payable, and is
punctually paid or duly provided for, on any Interest Payment Date shall be paid
to the Person in whose name that Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date
for such interest.

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

          (1) The Company may elect to make payment of any Defaulted Interest to
     the Persons in whose names the Securities of such series (or their
     respective Predecessor Securities) are registered at the close of business
     on a Special Record Date for the payment of such Defaulted Interest, which
     shall be fixed in the following manner. The Company shall notify the
     Trustee in writing of the amount of Defaulted Interest proposed to be paid
     on each Security of such series, the date of the proposed payment and the
     Special Record Date, and at the same time the Company shall deposit with
     the Trustee an amount of money equal to the aggregate amount proposed to be
     paid in respect of such Defaulted Interest or shall make arrangements
     satisfactory to the Trustee for such deposit prior to the date of the
     proposed payment, such money when deposited to be held in trust for the
     benefit of the Persons entitled to such Defaulted Interest as in this
     Clause provided. The Special Record Date for the payment of such Defaulted
     Interest 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 ,
     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 given to each Holder of Securities of such series in the
     manner set forth in Section 106, not less than 10 days prior to such
     Special Record Date. Notice of the proposed payment of such Defaulted
     Interest and the Special Record Date therefor having been so mailed, such
     Defaulted Interest shall be paid to the Persons in whose names the
     Securities of such series (or their respective Predecessor Securities) are
     registered at the close of business on such Special Record Date and shall
     no longer be payable pursuant to the following Clause (2).




                                      -30-
<PAGE>   39

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

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


SECTION 308.  Persons Deemed Owners.

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


SECTION 309.  Cancellation.

     All Securities surrendered for payment, redemption, registration of
transfer or exchange or for credit against any sinking fund payment shall, if
surrendered to any Person other than the Trustee, be delivered to the Trustee
and shall be promptly cancelled 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 cancelled by the Trustee. No Securities shall be
authenticated in lieu of or in exchange for any Securities cancelled as provided
in this Section, except as expressly permitted by this Indenture. All cancelled
Securities held by the Trustee shall be disposed of by the Trustee in accordance
with its customary procedures unless otherwise directed by a Company Order.





                                      -31-
<PAGE>   40


SECTION 310.  Computation of Interest.

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


SECTION 311.  CUSIP Numbers.

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



                                  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 (except as to any surviving rights of
registration of transfer or exchange of such series of Securities herein
expressly provided for), and the Trustee, at the expense of the Company, shall
execute proper instruments acknowledging satisfaction and discharge of this
Indenture as to such series of Securities, when

     (1) either

          (A) all Securities of such series theretofore authenticated and
     delivered (other than (i) Securities which have been destroyed, lost or
     stolen and which have been replaced or paid as provided in Section 306 and
     (ii) Securities 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 such Securities of such series not theretofore delivered to
     the Trustee for cancellation

               (i) have become due and payable, or



                                      -32-
<PAGE>   41


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

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

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

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

          (3) the Company has delivered to the Trustee an Officers' Certificate
     and an Opinion of Counsel, each stating that all conditions precedent
     herein provided for relating to the satisfaction and discharge of this
     Indenture have been complied with. Notwithstanding the satisfaction and
     discharge of this Indenture, the obligations of the Company to the Trustee
     under Section 607, the obligations of the Company to any Authenticating
     Agent under Section 614 and, if money shall have been deposited with the
     Trustee pursuant to subclause (B) of Clause (1) of this Section, the
     obligations of the Trustee under Section 402 and the last paragraph of
     Section 1003 shall survive.


SECTION 402.  Application of Trust Money.

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


                                  ARTICLE FIVE

                                    REMEDIES


SECTION 501.  Events of Default.



                                      -33-
<PAGE>   42


     "Event of Default", wherever used herein with respect to Securities of any
series, means any one of the following events (whatever the reason for such
Event of Default and whether it shall be voluntary or involuntary or be effected
by operation of law or pursuant to any judgment, decree or order of any court or
any order, rule or regulation of any administrative or governmental body),
unless such event is either inapplicable to that particular series of Securities
or has been specifically deleted or modified in or pursuant to the supplemental
indenture or Board Resolution creating such series of Securities:

          (1) default in the payment of any interest upon any Security of that
     series when it becomes due and payable, and continuance of such default for
     a period of 30 days; or

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

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

          (4) default in the performance, or breach, of any covenant or warranty
     of the Company in this Indenture (other than a covenant or warranty a
     default in whose performance or whose breach is elsewhere in this Section
     specifically dealt with or which has expressly been included in this
     Indenture solely for the benefit of series of Securities other than that
     series), and continuance of such default or breach for a period of 90 days
     after there has been given, by registered or certified mail, to the Company
     by the Trustee or to the Company and the Trustee by the Holders of at least
     10% 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) a default under any bond, debenture, note or other evidence of
     indebtedness for money borrowed by the Company (including a default with
     respect to Securities of any series other than that series) or under any
     mortgage, indenture or instrument (including this Indenture) under which
     there may be issued or by which there may be secured or evidenced any
     indebtedness for money borrowed by the Company, whether such indebtedness
     now exists or shall hereafter be created, which default shall have resulted
     in indebtedness in an amount in excess of U.S. $25,000,000 becoming
     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
     30 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 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; provided, however, that, subject to the
     provisions of Sections 601 and 602, the Trustee shall not be deemed to have
     knowledge of such default unless either (A) a Responsible Officer of the
     Trustee shall have actual knowledge of such default or (B) the Trustee



                                      -34-
<PAGE>   43

     shall have received written notice thereof from the Company, from any
     Holder, from the holder of any such indebtedness or from the trustee under
     any such mortgage, indenture or other instrument; or

          (6) the entry by a court having jurisdiction in the premises of (A) a
     decree or order for relief in respect of the Company in an involuntary case
     or proceeding under any applicable Federal or State bankruptcy, insolvency,
     reorganization or other similar law or (B) a decree or order adjudging the
     Company a bankrupt or insolvent, or approving as properly filed a petition
     seeking reorganization, arrangement, adjustment or composition of or in
     respect of the Company under any applicable Federal or State law, or
     appointing a custodian, receiver, liquidator, assignee, trustee,
     sequestrator or other similar official of the Company or of any substantial
     part of its property, or ordering the winding up or liquidation of its
     affairs, and the continuance of any such decree or order for relief or any
     such other decree or order unstayed and in effect for a period of 60
     consecutive days; or

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

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


SECTION 502.  Acceleration of Maturity; Rescission and Annulment.

     If an Event of Default (other than an Event of Default specified in Section
501(6) or 501(7)) with respect to Securities of any series at the time
Outstanding occurs and is continuing, then in every such case the Trustee or the
Holders of not less than 25% in principal amount of the Outstanding Securities
of that series may declare the principal amount of all the Securities of that
series (or, if any Securities of that series are Original Issue Discount
Securities, such portion of the principal amount of such Securities as may be
specified by the terms thereof) to be due and payable immediately, by a notice
in writing to the Company (and to the Trustee if given by Holders), and upon any
such declaration such principal amount (or specified amount) shall become
immediately due and payable. If an Event of Default specified in Section 501(6)
or 501 (7) with respect to 




                                      -35-
<PAGE>   44

Securities of any series at the time Outstanding occurs, the principal amount of
all the Securities of that series (or, if any Securities of that series are
Original Issue Discount Securities, such portion of the principal amount of such
Securities as may be specified by the terms thereof) shall automatically, and
without any declaration or other action on the part of the Trustee or any
Holder, 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

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

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

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

               (D) all sums paid or advanced by the Trustee hereunder and the
          reasonable compensation, expenses, disbursements and advances of the
          Trustee, its agents and counsel, and any other amounts due to the
          Trustee under Section 607; and

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

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


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

     The Company covenants that if

          (1) default is made in the payment of any interest on any Security
     when such interest becomes due and payable and such default continues for a
     period of 30 days, or




                                      -36-
<PAGE>   45


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

the Company will, upon demand of the Trustee, pay to it, for the benefit of the
Holders of such Securities, the whole amount then due and payable on Securities
of such series for principal and any premium and interest and, to the extent
that payment of such interest shall be legally enforceable, interest on any
overdue principal and premium and on any overdue interest, at the rate or rates
prescribed therefor in such Securities, and, in addition thereto, such further
amount as shall be sufficient to cover the costs and expenses of collection,
including the reasonable compensation, expenses, disbursements and advances of
the Trustee, its agents and counsel, and any other amounts due to the Trustee
under Section 607.

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


SECTION 504.  Trustee May File Proofs of Claim.

     In case of any judicial proceeding relative to the Company (or any other
obligor upon the Securities), its property or its creditors, the Trustee shall
be entitled and empowered, by intervention in such proceeding or otherwise, to
take any and all actions authorized under the Trust Indenture Act in order to
have claims of the Holders and the Trustee allowed in any such proceeding. In
particular, the Trustee shall be authorized to collect and receive any moneys or
other property payable or deliverable on any such claims and to distribute the
same; and any custodian, receiver, assignee, trustee, liquidator, sequestrator
or other similar official in any such judicial proceeding is hereby authorized
by each Holder to make such payments to the Trustee and, in the event that the
Trustee shall consent to the making of such payments directly to the Holders, to
pay to the Trustee any amount due it for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other
amounts due the Trustee under Section 607.

     No provision of this Indenture shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceeding; provided, however,
that the Trustee may, on behalf of the Holders, vote for the election of a
trustee in bankruptcy or similar official and be a member of a creditors' or
other similar committee.




                                      -37-
<PAGE>   46


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

     All rights of action and claims under this Indenture or the Securities may
be prosecuted and enforced by the Trustee without the possession of any of the
Securities or the production thereof in any proceeding relating thereto, and any
such proceeding instituted by the Trustee shall be brought in its own name as
trustee of an express trust, and any recovery of judgment shall, after provision
for the payment of the reasonable compensation, expenses, disbursements and
advances of the Trustee, its agents and counsel, and any other amounts due to
the Trustee under Section 607, be for the ratable benefit of the Holders of the
Securities in respect of which such judgment has been recovered.


SECTION 506.  Application of Money Collected.

     Any money collected by the Trustee pursuant to this Article 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 any premium
or interest, upon presentation of the Securities 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 under Section
     607;

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

          THIRD: Any remaining amounts shall be repaid to the Company.


SECTION 507.  Limitation on Suits.

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

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

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



                                      -38-
<PAGE>   47

          (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 of such
Holders.


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

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


SECTION 509.  Restoration of Rights and Remedies.

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


SECTION 510.  Rights and Remedies Cumulative.

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



                                      -39-
<PAGE>   48

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 Securities to
exercise any right or remedy accruing upon any Event of Default shall impair any
such right or remedy or constitute a waiver of any such Event of Default or an
acquiescence therein. Every right and remedy given by this Article or by law to
the Trustee or to the Holders may be exercised from time to time, and as often
as may be deemed expedient, by the Trustee or by the Holders, as the case may
be.


SECTION 512.  Control by Holders.

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

          (1) such direction shall not be in conflict with any rule of law or
     with this Indenture or involve the Trustee in personal liability or be
     unjustly prejudicial to the Holders of Securities of such series not taking
     part in such direction, and

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


SECTION 513.  Waiver of Past Defaults.

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

          (1) in the payment of the principal of or any premium or interest on
     any Security of such series, 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.


                                      -40-
<PAGE>   49


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


SECTION 514.  Undertaking for Costs.

     In any suit for the enforcement of any right or remedy under this
Indenture, or in any suit against the Trustee for any action taken, suffered or
omitted by it as Trustee, a court may require any party litigant in such suit to
file an undertaking to pay the costs of such suit, and may assess costs against
any such party litigant, in the manner and to the extent provided in the Trust
Indenture Act; provided that neither this Section nor the Trust Indenture Act
shall be deemed to authorize any court to require such an undertaking or to make
such an assessment in any suit instituted by the Trustee or any Holder or group
of Holders holding in the aggregate more than 10% in principal amount of the
outstanding Securities of a series to which the suit relates or in any suit
initiated by a Holder for the enforcement of the payment of principal of,
premium, if any, or interest on any Securities then due and payable.


SECTION 515.  Waiver of Usury, Stay or Extension Laws.

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


                                   ARTICLE SIX

                                   THE TRUSTEE


SECTION 601.  Certain Duties and Responsibilities.

     The duties and responsibilities of the Trustee shall be as provided by the
Trust Indenture Act. Notwithstanding the foregoing, no provision of this
Indenture shall require the Trustee to expend or risk its own funds or otherwise
incur any financial liability in the performance of any of its duties hereunder,
or in the exercise of any of its rights or powers, if it shall have reasonable
grounds for believing that repayment of such funds or adequate indemnity against
such risk or liability is not reasonably assured to it. Whether 



                                      -41-
<PAGE>   50

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


SECTION 602.  Notice of Defaults.

     If a default occurs hereunder with respect to Securities of any series, the
Trustee shall give the Holders of Securities of such series notice of such
default as and to the extent provided by the Trust Indenture Act; provided,
however, that in the case of any default of the character specified in Section
501(4) with respect to Securities of such series, no such notice to Holders
shall be given until at least 90 days after the occurrence thereof and provided
further that, except in the case of any defaults of the character specified in
clauses (1), (2) and (3) of Section 501, the Trustee may refrain from giving any
notice of default to the Holders of Securities if the Trustee considers it in
the interests of such Holders to so refrain. For the purpose of this Section,
the term "default" means any event which is, or after notice or lapse of time or
both would become, an Event of Default with respect to Securities of such
series.


SECTION 603.  Certain Rights of Trustee.

          Subject to the provisions of Section 601:

          (1) 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, other evidence of indebtedness or other paper or
     document believed by it to be genuine and to have been signed or presented
     by the proper party or parties;

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

          (3) 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;

          (4) the Trustee may consult with counsel and the written 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;

          (5) the Trustee shall be under no obligation to exercise any of the
     rights or powers vested in it by this Indenture at the request or direction
     of any of the Holders pursuant 




                                      -42-
<PAGE>   51


     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;

          (6) the Trustee shall not be bound to make any investigation into the
     facts or matters stated in any resolution, certificate, statement,
     instrument, opinion, report, notice, request, direction, consent, order,
     bond, debenture, note, other evidence of indebtedness or other paper or
     document, but the Trustee, in its discretion, may make such further inquiry
     or investigation into such facts or matters as it may see fit, and, if the
     Trustee shall determine to make such further inquiry or investigation, it
     shall be entitled to examine the books, records and premises of the
     Company, personally or by agent or attorney;

          (7) 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;

          (8) the Trustee shall not be charged with knowledge of any default (as
     defined in Section 602) or any Event of Default with respect to the
     Securities of any series unless either (1) a Responsible Officer of the
     Trustee shall have actual knowledge of such default or Event of Default or
     (2) written notice of such default or Event of Default shall have been
     given to the Trustee by the Company or any other obligor on such securities
     or by any Holder of such Securities; and

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


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

     The recitals contained herein and in the Securities, except the Trustee's
certificates of authentication, shall be taken as the statements of the Company,
and 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. 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 605.  May Hold Securities.

     The Trustee, any Authenticating Agent, any Paying Agent, any Security
Registrar or any other agent of the Company, in its individual or any other
capacity, may become the owner or pledgee of Securities and, subject to Sections
608 and 613, may otherwise 



                                     -43-
<PAGE>   52

deal with the Company with the same rights it would have if it were not Trustee,
Authenticating Agent, Paying Agent, Security Registrar or such other agent.


SECTION 606.  Money Held in Trust.

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


SECTION 607.  Compensation and Reimbursement.

     The Company agrees

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

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

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

SECTION 608.  Conflicting Interests.

     If the Trustee has or shall acquire a conflicting interest within the
meaning of the Trust Indenture Act, the Trustee shall either eliminate such
interest or resign, to the extent and in the manner provided by, and subject to
the provisions of, the Trust Indenture Act and this Indenture. To the extent
permitted by such Act, the Trustee shall not be deemed to have a conflicting
interest by virtue of being a trustee under this Indenture with respect to
Securities of more than one series.




                                      -44-
<PAGE>   53

SECTION 609.  Corporate Trustee Required; Eligibility.

     There shall at all times be one (and only one) Trustee hereunder with
respect to the Securities of each series, which may be Trustee hereunder for
Securities of one or more other series. Each Trustee shall be a Person that is
eligible pursuant to the Trust Indenture Act to act as such, has a combined
capital and surplus of at least $50,000,000 and has its Corporate Trust Office
in The City of New York. If any such Person publishes reports of condition at
least annually, pursuant to law or to the requirements of its supervising or
examining authority, then for the purposes of this Section and to the extent
permitted by the Trust Indenture Act, the combined capital and surplus of such
Person shall be deemed to be its combined capital and surplus as set forth in
its most recent report of condition so published. If at any time the Trustee
with respect to the Securities of any series 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 610.  Resignation and Removal; Appointment of Successor.

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

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

     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.

     If at any time:

          (1) the Trustee shall fail to comply with Section 608 after written
     request therefor by the Company or by any Holder who has been a bona fide
     Holder of a Security for at least six months, or

          (2) the Trustee shall cease to be eligible under Section 609 and shall
     fail to resign after written request therefor by the Company or by any such
     Holder, or

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



                                      -45-
<PAGE>   54


then, in any such case, (A) the Company by a Board Resolution may remove the
Trustee with respect to all Securities, or (B) subject to Section 514, any
Holder who has been a bona fide Holder of a Security for at least six months
may, on behalf of himself and all others similarly situated, petition any court
of competent jurisdiction for the removal of the Trustee with respect to all
Securities and the appointment of a successor Trustee or Trustees.

     If the Trustee shall resign, be removed or become incapable of acting, or
if a vacancy shall occur in the office of Trustee for any cause, with respect to
the Securities of one or more series, the Company, by a Board Resolution, shall
promptly appoint a successor Trustee or Trustees with respect to the Securities
of that or those series (it being understood that any such successor Trustee may
be appointed with respect to the Securities of one or more or all of such series
and that at any time there shall be only one Trustee with respect to the
Securities of any particular series) and shall comply with the applicable
requirements of Section 611. If, within one year after such resignation, removal
or incapability, or the occurrence of such vacancy, a successor Trustee with
respect to the Securities of any series shall be appointed by Act of the Holders
of a majority in principal amount of the Outstanding Securities of such series
delivered to the Company and the retiring Trustee, the successor Trustee so
appointed shall, forthwith upon its acceptance of such appointment in accordance
with the applicable requirements of Section 611, become the successor Trustee
with respect to the Securities of such series and to that extent supersede the
successor Trustee appointed by the Company. If no successor Trustee with respect
to the Securities of any series shall have been so appointed by the Company or
the Holders and accepted appointment in the manner required by Section 611, any
Holder who has been a bona fide Holder of a Security of such series for at least
six months may, on behalf of himself and all others similarly situated, petition
any court of competent jurisdiction for the appointment of a successor Trustee
with respect to the Securities of such series.

     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 to all Holders of
Securities of such series in the manner provided 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 611.  Acceptance of Appointment by Successor.

     In case of the appointment hereunder of a successor Trustee with respect to
all Securities, every such successor Trustee so appointed shall execute,
acknowledge and deliver to the Company and to the retiring Trustee an instrument
accepting such appointment, and thereupon the resignation or removal of the
retiring Trustee shall become effective and such successor Trustee, without any
further act, deed or conveyance, shall become vested with all the rights,
powers, trusts and duties of the retiring Trustee; but, on the request of the
Company or the successor Trustee, such retiring Trustee shall, upon 



                                      -46-
<PAGE>   55

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.

     In case of the appointment hereunder of a successor Trustee with respect to
the Securities of one or more (but not all) series, the Company, the retiring
Trustee and each successor Trustee with respect to the Securities of one or more
series shall execute and deliver an indenture supplemental hereto wherein each
successor Trustee shall accept such appointment and which (1) shall contain such
provisions as shall be necessary or desirable to transfer and confirm to, and to
vest in, each successor Trustee all the rights, powers, trusts and duties of the
retiring Trustee with respect to the Securities of that or those series to which
the appointment of such successor Trustee relates, (2) if the retiring Trustee
is not retiring with respect to all Securities, shall contain such provisions as
shall be deemed necessary or desirable to confirm that all the rights, powers,
trusts and duties of the retiring Trustee with respect to the Securities of that
or those series as to which the retiring Trustee is not retiring shall continue
to be vested in the retiring Trustee, and (3) shall add to or change any of the
provisions of this Indenture as shall be necessary to provide for or facilitate
the administration of the trusts hereunder by more than one Trustee, it being
understood that nothing herein or in such supplemental indenture shall
constitute such Trustees 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.

     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 the
first or second preceding paragraph, as the case may be.

     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.



                                      -47-
<PAGE>   56


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

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


SECTION 613.  Preferential Collection of Claims Against Company.

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


SECTION 614.  Appointment of Authenticating Agent.

     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 original issue
and upon exchange, registration of transfer or partial redemption thereof or
pursuant to Section 306, and Securities so authenticated shall be entitled to
the benefits of this Indenture and shall be valid and obligatory for all
purposes as if authenticated by the Trustee hereunder. Wherever reference is
made in this Indenture to the authentication and delivery of Securities by the
Trustee or the Trustee's certificate of authentication, such reference shall be
deemed to include authentication and delivery on behalf of the Trustee by an
Authenticating Agent and a certificate of authentication executed on behalf of
the Trustee by an Authenticating Agent. Each Authenticating Agent shall be
acceptable to the Company and shall at all times be a corporation organized and
doing business under the laws of the United States of America, any State thereof
or the District of Columbia, authorized under such laws to act as Authenticating
Agent, having a combined capital and surplus of not less than $50,000,000 and
subject to supervision or examination by Federal or State authority. If such
Authenticating Agent publishes reports of condition at least annually, pursuant
to law or to the requirements of said supervising or examining authority, then
for the purposes of this Section, the combined capital and surplus of such
Authenticating Agent shall be deemed to be its combined capital and surplus as
set forth in its most recent report of condition so published. If at any time an
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, such 


                                      -48-
<PAGE>   57

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 any further
act on the part of the Trustee or the Authenticating Agent.

     An Authenticating Agent may resign at any time by giving written notice
thereof to the Trustee and to the Company. The Trustee may at any time terminate
the agency of an Authenticating Agent by giving written notice thereof to such
Authenticating Agent and to the Company. Upon receiving such a notice of
resignation or upon such a termination, or in case at any time such
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, the Trustee may appoint a successor Authenticating
Agent which shall be acceptable to the Company and shall give notice of such
appointment in the manner provided in Section 106 to all Holders of Securities
of the series with respect to which such Authenticating Agent will serve. Any
successor Authenticating Agent upon acceptance of its appointment hereunder
shall become vested with all the rights, powers and duties of its predecessor
hereunder, with like effect as if originally named as an Authenticating Agent.
No successor Authenticating Agent shall be appointed unless eligible under the
provisions of this Section.

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

     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 the Trustee's certificate of authentication, an alternative
certificate of authentication in the following form:





                                      -49-
<PAGE>   58

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


                                 THE CHASE MANHATTAN BANK,
                                               As Trustee



                                 By
                                   -------------------------------------------,
                                                       As Authenticating Agent



                                 By
                                   -------------------------------------------,
                                                            Authorized Officer



                                  ARTICLE SEVEN

                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY


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

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

          (1) semi-annually, not later than January 1 and July 1 in each year, a
     list, in such form as the Trustee may reasonably require, of the names and
     addresses of the Holders of Securities of each series as of the preceding
     December 15 or June 15, as the case may be, and

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

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

SECTION 702.  Preservation of Information; Communications to Holders.

     The Trustee shall preserve, in as current a form as is reasonably
practicable, the names and addresses of Holders contained in the most recent
list furnished to the Trustee as provided in Section 701 and the names and
addresses of Holders received by the Trustee 



                                      -50-
<PAGE>   59

in its capacity as Security Registrar. The Trustee may destroy any list
furnished to it as provided in Section 701 upon receipt of a new list so
furnished.

    The rights of Holders to communicate with other Holders with respect to
their rights under this Indenture or under the Securities, and the corresponding
rights and privileges of the Trustee, shall be as provided by the Trust
Indenture Act.

     Every Holder of Securities, by receiving and holding the same, agrees with
the Company and the Trustee that neither the Company nor the Trustee nor any
agent of either of them shall be held accountable by reason of any disclosure of
information as to names and addresses of Holders made pursuant to the Trust
Indenture Act.


SECTION 703.  Reports by Trustee.

     The Trustee shall transmit to Holders such reports concerning the Trustee
and its actions under this Indenture as may be required pursuant to the Trust
Indenture Act at the times and in the manner provided pursuant thereto.

     A copy of each such report shall, at the time of such transmission to
Holders, be filed by the Trustee with each stock exchange upon which any
Securities are listed, with the Commission and with the Company. The Company
will notify the Trustee when any Securities are listed on any stock exchange.


SECTION 704.  Reports by Company.

     The Company shall file with the Trustee and the Commission, and transmit to
Holders, such information, documents and other reports, and such summaries
thereof, as may be required pursuant to the Trust Indenture Act at the times and
in the manner provided pursuant to such Act; provided that any such information,
documents or reports required to be filed with the Commission pursuant to
Section 13 or 15(d) of the Exchange Act shall be filed with the Trustee within
15 days after the same is so required to be filed with the Commission.


                                  ARTICLE EIGHT

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE


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

        The Company shall not consolidate with or merge into any other Person
or convey, transfer or lease its properties and assets substantially as an
entirety to any Person (other than to one or more Wholly Owned Subsidiaries of
the Company), and the Company shall not permit any Person to consolidate with or
merge into the Company or 


                                      -51-
<PAGE>   60

convey, transfer or lease its properties and assets substantially as an entirety
to the Company, unless:

          (1) in case the Company shall consolidate with or merge into another
     Person or convey, transfer or lease its properties and assets substantially
     as an entirety to any Person, the Person formed by such consolidation or
     into which the Company is merged or the Person which acquires by conveyance
     or transfer, or which leases, the properties and assets of the Company
     substantially as an entirety shall be a corporation, limited liability
     company, partnership or trust, shall be organized and validly existing
     under the laws of the United States of America, any State thereof or the
     District of Columbia and shall expressly assume, by an indenture
     supplemental hereto, executed and delivered to the Trustee, in form
     satisfactory to the Trustee, the due and punctual payment of the principal
     of and any premium and interest on all the Securities and the performance
     or observance of every covenant of this Indenture on the part of the
     Company to be performed or observed;

          (2) immediately after giving effect to such transaction and treating
     any indebtedness which becomes an obligation of the Company or any
     Subsidiary as a result of such transaction 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 lapse of time or both, would
     become an Event of Default, shall have happened and be continuing;

          (3) if, as a result of any such consolidation or merger or such
     conveyance, transfer or lease, properties or assets of the Company would
     become subject to a mortgage, pledge, lien, security interest or other
     encumbrance which would not be permitted by this Indenture, the Company or
     such successor Person, as the case may be, shall take such steps as shall
     be necessary effectively to secure the Securities equally and ratably with
     (or prior to) all indebtedness secured thereby; and

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


SECTION 802.  Successor Substituted.

     Upon any consolidation of the Company with, or merger of the Company into,
any other Person or any conveyance, transfer or lease of the properties and
assets of the Company substantially as an entirety in accordance with Section
801, the successor Person formed by such consolidation or into which the Company
is merged or to which such conveyance, transfer or lease is made shall succeed
to, and be substituted for, and may exercise every right and power of, the
Company under this Indenture with the same effect as if such successor Person
had been named as the Company herein, and thereafter, except 



                                      -52-
<PAGE>   61

in the case of a lease, the predecessor Person shall be relieved of all
obligations and covenants under this Indenture and the Securities.

SECTION 803. Subsidiary Guarantees.

     If the Company conveys, transfers or leases its properties and assets
substantially as an entirety, in one transaction or a series of related
transactions, to one or more Wholly Owned Subsidiaries of the Company, then the
Company shall (a) cause such Wholly Owned Subsidiary or Wholly Owned
Subsidiaries, as the case may be, to execute and deliver to the Trustee a
supplemental indenture, which supplemental indenture shall be in form and
substance reasonably satisfactory to the Trustee, pursuant to which such Wholly
Owned Subsidiary or Wholly Owned Subsidiaries shall unconditionally guarantee
all of the Company's payment obligations under this Indenture and the Securities
on the terms set forth in such supplemental indenture, and which guarantee shall
provide that (i) if one or more of such Wholly Owned Subsidiaries, in one
transaction or a series of related transactions, thereafter conveys, transfers
or leases properties and assets which, if owned by the Company, would constitute
all or substantially all of the properties and assets of the Company and its
Subsidiaries (determined on a consolidated basis), such conveyance, transfer or
lease shall be deemed to be a conveyance, transfer or lease by the Company of
its properties and assets substantially as an entirety for purposes of Section
801 and (ii) such guarantee shall be released and discharged in full if and when
all of the issued and outstanding shares of Voting Stock of the Wholly Owned
Subsidiary are sold, directly or indirectly, by the Company or another Wholly
Owned Subsidiary of the Company to any Person (other than the Company or 
another Wholly Owned Subsidiary of the Company), (b) deliver to the Trustee an
Opinion of Counsel reasonably satisfactory to the Trustee that such supplemental
indenture has been duly executed and delivered by each subsidiary guarantor, and
(c) comply, and cause such Wholly Owned Subsidiary to comply, with any
applicable securities laws.


                                  ARTICLE NINE

                             SUPPLEMENTAL INDENTURES


SECTION 901.  Supplemental Indentures Without Consent of Holders.

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

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

          (2) to add to the covenants of the Company 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 additional Events
     of Default are to be for the benefit of less than all series of Securities,
     stating that such additional Events of Default are expressly being included
     solely for the benefit of such series); or

          (4) to add to or change any of the provisions of this Indenture to
     such extent as shall be necessary to permit or facilitate the issuance of
     Securities in bearer form, registrable or not registrable as to principal,
     and with or without interest coupons, or to permit or facilitate the
     issuance of Securities in uncertificated form; 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 (A) shall neither (i) apply to any
     Security of any series created prior to the execution of such supplemental
     indenture and entitled to the benefit of such provision nor (ii) modify the
     rights of the Holder of any such Security with respect to such provision or
     (B) shall become effective only when there is no such Security Outstanding;
     or

          (6) to secure the Securities pursuant to the requirements of Section
     1008 or otherwise; or



                                      -53-
<PAGE>   62


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

          (8) to evidence and provide for the acceptance of appointment
     hereunder by a successor Trustee with respect to the Securities of one or
     more series and to add to or change any of the provisions of this Indenture
     as shall be necessary to provide for or facilitate the administration of
     the trusts hereunder by more than one Trustee, pursuant to the requirements
     of Section 611; 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, provided that such action pursuant
     to this Clause (9) shall not, as evidenced by an Opinion of Counsel,
     adversely affect the interests of the Holders of Securities of any series 
     in any material respect.

          Upon Company Request, accompanied by a Board Resolution authorizing
the execution of any such supplemental indenture, and subject to and upon
receipt by the Trustee of the documents described in Section 903 hereof, the
Trustee shall join with the Company in the execution of any supplemental
indenture authorized or permitted by the terms of this Indenture and to make any
further appropriate agreements and stipulations which may be therein contained.


SECTION 902.  Supplemental Indentures With Consent of Holders.

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

          (1) change the Stated Maturity of the principal of, or any instalment
     of principal of or interest on, any Security, or reduce the principal
     amount thereof or the rate of interest thereon or any premium payable upon
     the redemption thereof, or reduce the amount of the principal of an
     Original Issue Discount Security or any other Security which would be due
     and payable upon a declaration of acceleration of the Maturity thereof
     pursuant to Section 502, or adversely affect any right of repayment at the
     option of a Holder of any Security, or reduce the amount of, or postpone
     the date fixed for, the payment of any sinking fund or analogous
     obligation, or change any Place of Payment where, or the coin or currency
     in which, any Security or any premium or interest thereon is payable, or
     impair the right to institute suit for the enforcement of 



                                      -54-
<PAGE>   63

     any such payment on or after the Stated Maturity thereof (or, in the case
     of redemption, on or after the Redemption Date), or

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

          (3) modify any of the provisions of this Section, Section 513 or
     Section 1010, except to increase any such percentage or to provide that
     certain other provisions of this Indenture cannot be modified or waived
     without the consent of the Holder of each Outstanding Security affected
     thereby; provided, however, that this clause shall not be deemed to require
     the consent of any Holder with respect to changes in the references to "the
     Trustee" and concomitant changes in this Section and Section 1010, or the
     deletion of this proviso, in accordance with the requirements of Sections
     611 and 901(8).

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

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


SECTION 903.  Execution of Supplemental Indentures.

          In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture, the Trustee shall be entitled to receive,
and (subject to Section 601) shall be fully protected in relying upon, in
addition to the documents required by Section 102, an Opinion of Counsel stating
that the execution of such supplemental indenture is authorized or permitted by
this Indenture. The Trustee may, but shall not be obligated to, enter into any
such supplemental indenture which affects the Trustee's own rights, duties or
immunities under this Indenture or otherwise.


SECTION 904.  Effect of Supplemental Indentures.

          Upon the execution of any supplemental indenture under this Article,
this Indenture shall be modified in accordance therewith, and such supplemental
indenture shall form a 



                                      -55-
<PAGE>   64

part of this Indenture for all purposes; and every Holder of Securities
theretofore or thereafter authenticated and delivered hereunder 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.

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


                                   ARTICLE TEN

                                    COVENANTS


SECTION 1001.  Payment of Principal, Premium and Interest.

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


SECTION 1002.  Maintenance of Office or Agency.

          The Company will maintain in 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, where Securities of that series may be surrendered
for registration of transfer or exchange and where notices and demands to or
upon the Company in respect of the Securities of that series and this Indenture
may be served. The Company will give prompt written notice to the Trustee of the
location, and any change in the location, of such office or agency. If at any
time the Company shall fail to maintain any such required office or agency or
shall fail to furnish the Trustee with the address thereof, such presentations,
surrenders, notices and demands may be made or served at the Corporate Trust
Office of the Trustee, and the Company hereby appoints the Trustee as its agent
to receive all such presentations, surrenders, notices and demands.



                                      -56-
<PAGE>   65
          The Company may also from time to time designate one or more other
offices or agencies where the Securities of one or more series may be presented
or surrendered for any or all such purposes and may from time to time rescind
such designations; provided, however, that no such designation or rescission
shall in any manner relieve the Company of its obligation to maintain an office
or agency in each Place of Payment for Securities of any series for such
purposes. The Company will give prompt written notice to the Trustee of any such
designation or rescission and of any change in the location of any such other
office or agency.


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

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

          Whenever the Company shall have one or more Paying Agents for any
series of Securities, it will, prior to each due date of the principal of or any
premium or interest on any Securities of that series, deposit with a Paying
Agent a sum sufficient to pay such amount, such sum to be held as provided by
the Trust Indenture Act, 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 for any series of Securities
other than the Trustee to execute and deliver to the Trustee an instrument in
which such Paying Agent shall agree with the Trustee, subject to the provisions
of this Section, that such Paying Agent will (1) comply with the provisions of
the Trust Indenture Act applicable to it as a Paying Agent and (2) during the
continuance of any default by the Company (or any other obligor upon the
Securities of that series) in the making of any payment in respect of the
Securities of that series, or any Event of Default, upon the written request of
the Trustee, forthwith pay to the Trustee all sums held in trust by such Paying
Agent for payment in respect of the Securities of that series.

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



                                      -57-
<PAGE>   66

          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 or any premium or
interest on any Security of any series and remaining unclaimed for two years
after such principal, premium or interest has become due and payable shall be
paid to the Company on Company Request, or (if then held by the Company) shall
be discharged from such trust; and the Holder of such Security shall thereafter,
as an unsecured general creditor, look only to the Company for payment thereof,
and all liability of the Trustee or such Paying Agent with respect to such trust
money, and all liability of the Company as trustee thereof, shall thereupon
cease; provided, however, that the Trustee or such Paying Agent, before being
required to make any such repayment, may at the expense of the Company cause to
be published once, in a newspaper published in the English language, customarily
published on each Business Day and of general circulation in the Borough of
Manhattan, The City of New York, notice that such money remains unclaimed and
that, after a date specified therein, which shall not be less than 30 days from
the date of such publication, any unclaimed balance of such money then remaining
will be repaid to the Company.


SECTION 1004.  Statement by Officers as to Default.

          The Company will deliver to the Trustee, within 120 days after the end
of each fiscal year of the Company ending after the date hereof, an Officers'
Certificate, stating whether or not to the best knowledge of the signers thereof
the Company is in default in the performance and observance of any of the terms,
provisions and conditions of this Indenture (without regard to any period of
grace or requirement of notice provided hereunder) and, if the Company shall be
in default, specifying all such defaults and the nature and status thereof of
which they may have knowledge.


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 its existence,
rights (charter and statutory) and franchises; provided, however, that the
Company shall not be required to preserve any such right or franchise if the
Board of Directors shall determine that the preservation thereof is no longer
desirable in the conduct of the business of the Company and that the loss
thereof is not disadvantageous in any material respect to the Holders.


SECTION 1006.  Maintenance of Properties.

          The Company will cause all 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; 




                                      -58-
<PAGE>   67


provided, however, that nothing in this Section shall prevent the Company from
discontinuing the operation or maintenance of any of such properties if such
discontinuance is, in the judgment of the Company, desirable in the conduct of
its business or the business of any Subsidiary and not disadvantageous in any
material respect to the Holders.


SECTION 1007.  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 the Company 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 1008.  Limitation on Liens.

          The Company will not, and will not permit any Principal Subsidiary to,
create or suffer to exist any Lien to secure any Indebtedness of the Company or
any Subsidiary upon any Principal Property, or upon shares of capital stock or
evidences of Indebtedness issued by any Principal Subsidiary and owned by the
Company or any Principal Subsidiary, whether owned at the date of this Indenture
or thereafter acquired, without making, or causing such Principal Subsidiary to
make, effective provision to secure all of the Securities from time to time
Outstanding by such Lien, equally and ratably with any and all other
Indebtedness thereby secured, so long as such Indebtedness shall be so secured.

          The foregoing restrictions shall not apply to Indebtedness secured by
Liens existing on the date of this Indenture or to any of the following:

          (1) Liens on any property existing at the time of the acquisition
     thereof;

          (2) Liens on property of a corporation existing at the time such
     corporation is merged into, consolidated with or acquired by the Company or
     a Principal Subsidiary or at the time of a sale, lease or other disposition
     of the properties of such corporation (or a division thereof) as an
     entirety or substantially as an entirety to the Company or a Principal
     Subsidiary, provided that such Lien as a result of such merger,
     consolidation, acquisition, sale, lease or other disposition is not 
     extended to property owned by the Company or such Principal Subsidiary 
     immediately prior thereto;

          (3) Liens on property of a corporation existing at the time such
     corporation becomes a Principal Subsidiary;



                                      -59-
<PAGE>   68

          (4) Liens securing Indebtedness of a Principal Subsidiary to the
     Company or to another Principal Subsidiary;

          (5) Liens to secure all or part of the cost of acquisition,
     construction, development or improvement of the underlying property, or to
     secure Indebtedness incurred to provide funds for any such purpose
     (including purchase money security interest or money mortgage on real or
     personal property), provided that the commitment of the creditor to extend
     the credit secured by any such Liens shall have been obtained not later 
     than twenty-four months after the later of (a) the completion of the
     acquisition, construction, development or improvement of such property or
     (b) the placing in operation of such property or of such property as so
     construed, developed or improved;

          (6) Liens on any property created, assumed or otherwise brought into
     existence in contemplation of the sale or other disposition of the
     underlying property, whether directly or indirectly, by way of share
     disposition or otherwise; provided that the Company must have disposed of
     such property within 180 days from the creation of such Liens and any
     Indebtedness secured by such Liens shall be without recourse to the Company
     or any Subsidiary;

          (7) Liens in favor of the United States of America or any State
     thereof, or any department, agency or instrumentality or political
     subdivision thereof, to secure partial, progress, advance or other
     payments;

          (8) Liens to secure Indebtedness on any Principal Property of joint
     ventures which constitute Principal Subsidiaries in which the Company or a
     Principal Subsidiary has an interest, to the extent such Liens are on
     property or assets of, or equity interests in, such joint ventures; and

          (9) any extension, renewal or replacement or refunding of any Lien
     existing on the date of the Indenture or referred to in clauses (1) to (3)
     or (5); provided, however, that the principal amount of Indebtedness
     secured thereby and not otherwise authorized by clauses (1) to (3) or (5),
     shall not exceed the principal amount of Indebtedness, plus any premium or
     fee payable in connection with any such extension, renewal, replacement, or
     refunding, so secured at the time such extension, renewal, replacement or
     refunding.

          Notwithstanding the foregoing, the Company and its Principal
Subsidiaries may create or suffer to exist Liens which would otherwise be
prohibited by this Section 1008 securing Indebtedness in an aggregate amount
which, together with all outstanding Attributable Value of all Sale and
Lease-Back Transactions permitted by the last paragraph of Section 1009 and all
Indebtedness secured by Liens permitted pursuant to this paragraph, does not
exceed 10% of Consolidated Net Tangible Assets of the Company.


SECTION 1009.  Limitation on Sale and Lease-Back Transactions.

          The Company will not, nor will it permit any Principal Subsidiary to,
enter into any Sale and Lease-Back Transaction with respect to any Principal
Property (except for (x) a 


                                      -60-
<PAGE>   69

transaction providing for a lease for a term, including any renewal thereof, of
not more than three years, by the end of which term it is intended that the use
of such Principal Property by the lessee will be discontinued, (y) a transaction
between the Company and a Principal Subsidiary or between Principal
Subsidiaries, and (z) a transaction between the Company or a Principal
Subsidiary and a joint venture in which the Company or a Principal Subsidiary
has an interest), unless either (i) the Company or such Principal Subsidiary
would be entitled pursuant to Section 1008 to issue, assume or guarantee
Indebtedness secured by a Lien on such Principal Property without equally and
ratably securing the Securities or (ii) the Company or such Principal Subsidiary
shall apply or cause to be applied within 180 days after the effective date of
such Sale and Lease-Back Transaction, an amount equal to the Net Available
Proceeds therefrom to (A) the acquisition of one or more Principal Properties or
(B) to the retirement of Securities or the repayment of other Indebtedness of
the Company or a Principal Subsidiary (other than such Indebtedness owned by the
Company or a Principal Subsidiary) which, in the case of such Indebtedness of
the Company, is not subordinate and junior in right of payment to the prior
payment of the Securities, provided, however, that any such retirement of
Securities shall be in accordance with Article Eleven and any other terms and
provisions of this Indenture and the Securities applicable to optional
redemption of Securities.

          Notwithstanding the foregoing, the Company or any Principal Subsidiary
may enter into a Sale and Lease-Back Transaction which would otherwise be
prohibited by this Section 1009 to the extent that the Attributable Value
thereof, together with all indebtedness secured by Liens permitted pursuant to
the last paragraph of Section 1008 and the Attributable Value of all other Sale
and Lease-Back Transactions permitted by this paragraph, does not exceed 10% of
Consolidated Net Tangible Assets of the Company.


SECTION 1010.  Waiver of Certain Covenants.

          Except as otherwise specified as contemplated by Section 301 for
Securities of such series, the Company may, with respect to the Securities of
any series, omit in any particular instance to comply with any term, provision
or condition set forth in any covenant provided pursuant to Section 301(18),
901(2) or 901(7) for the benefit of the Holders of such series or in any of
Section 801(3) or Sections 1006 to 1009, inclusive, if before the time for such
compliance the Holders of at least a majority in principal amount of the
Outstanding Securities of such series shall, by Act of such Holders, either
waive such compliance in such instance or generally waive compliance with such
term, provision or condition, but no such waiver shall extend to or affect such
term, provision or condition except to the extent so expressly waived, and,
until such waiver shall become effective, the obligations of the Company and the
duties of the Trustee in respect of any such term, provision or condition shall
remain in full force and effect.



                                      -61-
<PAGE>   70

                                 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 such Securities) 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 a Board Resolution or in another manner specified as contemplated
by Section 301 for such Securities. In case of any redemption at the election of
the Company of less than all the Securities of any series (including any such
redemption affecting only a single Security), the Company shall, at least 60
days prior to the Redemption Date fixed by the Company (unless a shorter notice
shall be satisfactory to the Trustee), notify the Trustee of such Redemption
Date, of the principal amount of Securities of such series to be redeemed and,
if applicable, of the tenor of the Securities 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 are to be redeemed
(unless all the Securities of such series and of a specified tenor are to be
redeemed or unless such redemption affects only a single Security), 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 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 a portion of the principal amount of any Security of such series,
provided that the unredeemed portion of the principal amount of any Security
shall be in an authorized denomination (which shall not be less than the minimum
authorized denomination) for such Security. If less than all the Securities of
such series and of a specified tenor are to be redeemed (unless such redemption
affects only a single Security), 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 and specified tenor not
previously called for redemption in accordance with the preceding sentence.



                                      -62-
<PAGE>   71

          The Trustee shall promptly notify the Company in writing of the
Securities selected for redemption as aforesaid and, in case of any Securities
selected for partial redemption as aforesaid, the principal amount thereof to be
redeemed.

          The provisions of the two preceding paragraphs shall not apply with
respect to any redemption affecting only a single Security, whether such
Security is to be redeemed in whole or in part. In the case of any such
redemption in part, the unredeemed portion of the principal amount of the
Security shall be in an authorized denomination (which shall not be less than
the minimum authorized denomination) for such Security.

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


SECTION 1104.  Notice of Redemption.

          Notice of redemption shall be given by first-class mail, postage
prepaid, mailed not less than 30 nor more than 60 days prior to the Redemption
Date, to each Holder of Securities to be redeemed, at his address appearing in
the Security Register.

          All notices of redemption shall state:

          (1) the Redemption Date,

          (2) the Redemption Price,

          (3) if less than all the Outstanding Securities of any series
     consisting of more than a single Security are to be redeemed, the
     identification (and, in the case of partial redemption of any such
     Securities, the principal amounts) of the particular Securities to be
     redeemed and, if less than all the Outstanding Securities of any series
     consisting of a single Security are to be redeemed, the principal amount of
     the particular Security to be redeemed,

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

          (5) the place or places where each such Security is to be surrendered
     for payment of the Redemption Price, and

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



                                      -63-
<PAGE>   72

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


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, segregate and hold in trust as provided in Section 1003) an amount of
money sufficient to pay the Redemption Price of, and (except if the Redemption
Date shall be an Interest Payment Date) accrued interest on, all the Securities
which are to be redeemed on that date.


SECTION 1106.  Securities Payable on Redemption Date.

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

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


SECTION 1107.  Securities Redeemed in Part.

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



                                      -64-
<PAGE>   73

                                 ARTICLE TWELVE

                                  SINKING FUNDS


SECTION 1201.  Applicability of Article.

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

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


SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities.

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


SECTION 1203.  Redemption of Securities for Sinking Fund.

          Not less than 45 days prior to each sinking fund payment date for any
Securities, the Company will deliver to the Trustee an Officers' Certificate
specifying the amount of the next ensuing sinking fund payment for such
Securities pursuant to the terms of such Securities, the portion thereof, if
any, which is to be satisfied by payment of cash and the portion thereof, if
any, which is to be satisfied by delivering and crediting Securities pursuant to
Section 1202 and will also deliver to the Trustee any Securities to be so
delivered. Not less than 30 days prior to each such sinking fund payment date,
the Trustee shall select the Securities to be redeemed upon such sinking fund
payment date in the 



                                      -65-
<PAGE>   74

manner specified in Section 1103 and cause notice of the redemption thereof to
be given in the name of and at the expense of the Company in the manner provided
in Section 1104. Such notice having been duly given, the redemption of such
Securities shall be made upon the terms and in the manner stated in Sections
1106 and 1107.


                                ARTICLE THIRTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE


SECTION 1301.  Company's Option to Effect Defeasance or Covenant Defeasance.

          The Company may elect, at its option at any time, to have Section 1302
or Section 1303 applied to any Securities or any series of Securities, as the
case may be (unless such Securities or any series of Securities, as the case
may be, are designated pursuant to Section 301 as not being defeasible pursuant 
to such Section 1302 or 1303, in accordance with any applicable requirements
provided pursuant to Section 301), upon compliance with the conditions set
forth below in this Article. Any such election shall be evidenced by a Board
Resolution or in another manner specified as contemplated by Section 301 for
such Securities.


SECTION 1302.  Defeasance and Discharge.

          Upon the Company's exercise of its option (if any) to have this
Section applied to any Securities or any series of Securities, as the case may
be, the Company shall be deemed to have been discharged from its obligations
with respect to such Securities as provided in this Section on and after the
date the conditions set forth in Section 1304 are satisfied (hereinafter called
"Defeasance"). For this purpose, such Defeasance means that the Company shall be
deemed to have paid and discharged the entire indebtedness represented by such
Securities and to have satisfied all its other obligations under such Securities
and this Indenture insofar as such Securities are concerned (and the Trustee, at
the expense of the Company, shall execute proper instruments acknowledging the
same), subject to the following which shall survive until otherwise terminated
or discharged hereunder: (1) the rights of Holders of such Securities to
receive, solely from the trust fund described in Section 1304 and as more fully
set forth in such Section, payments in respect of the principal of and any
premium and interest on such Securities when payments are due, (2) the Company's
obligations with respect to such Securities under Sections 304, 305, 306, 1002
and 1003, (3) the rights, powers, trusts, duties and immunities of the Trustee
hereunder and (4) this Article. Subject to compliance with this Article, the
Company may exercise its option (if any) to have this Section applied to any
Securities notwithstanding the prior exercise of its option (if any) to have
Section 1303 applied to such Securities.



                                      -66-
<PAGE>   75




SECTION 1303.  Covenant Defeasance.

          Upon the Company's exercise of its option (if any) to have this
Section applied to any Securities or any series of Securities, as the case may
be, (1) the Company shall be released from its obligations under Section 801(3),
Sections 1006 through 1009, inclusive, and any covenants provided pursuant to
Section 301(18), 901(2) or 901(7) for the benefit of the Holders of such
Securities and (2) the occurrence of any event specified in Sections 501(4)
(with respect to any of Section 801(3), Sections 1006 through 1009, inclusive,
and any such covenants provided pursuant to Section 301(18), 901(2) or 901(7)),
501(5) and 501(8) shall be deemed not to be or result in an Event of Default, in
each case with respect to such Securities as provided in this Section on and
after the date the conditions set forth in Section 1304 are satisfied
(hereinafter called "Covenant Defeasance"). For this purpose, such Covenant
Defeasance means that, with respect to such Securities, 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 specified Section (to the extent so specified
in the case of Section 501(4)), whether directly or indirectly by reason of any
reference elsewhere herein to any such Section or by reason of any reference in
any such Section to any other provision herein or in any other document, but the
remainder of this Indenture and such Securities shall be unaffected thereby.


SECTION 1304.  Conditions to Defeasance or Covenant Defeasance.

          The following shall be the conditions to the application of Section
1302 or Section 1303 to any Securities or any series of Securities, as the case
may be:

          (1) The Company shall irrevocably have deposited or caused to be
     deposited with the Trustee (or another trustee which satisfies the
     requirements contemplated by Section 609 and agrees to comply with the
     provisions of this Article 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 benefits of the Holders of such
     Securities, (A) money in an amount, or (B) U.S. Government Obligations
     which through the scheduled payment of principal and interest in respect
     thereof in accordance with their terms will provide, not later than one day
     before the due date of any payment, money in an amount, or (C) a
     combination thereof, in each case sufficient, in the opinion of a
     nationally recognized firm of independent public accountants expressed in a
     written certification thereof delivered to the Trustee, to pay and
     discharge, and which shall be applied by the Trustee (or any such other
     qualifying trustee) to pay and discharge, the principal of and any premium
     and interest on such Securities on the respective Stated Maturities, in
     accordance with the terms of this Indenture and such Securities. As used
     herein, "U.S. Government Obligation" means (x) any security which is (i) a
     direct obligation of the United States of America for the payment of which
     the full faith and credit of the United States of America is pledged or
     (ii) an obligation of a Person controlled or supervised by and acting as an
     agency or instrumentality of the United States of America the payment of
     which is unconditionally guaranteed as a full faith and credit obligation
     by the United States of America, which, in either case (i) or



                                      -67-
<PAGE>   76


     (ii), is not callable or redeemable at the option of the issuer thereof,
     and (y) any depositary receipt issued by a bank (as defined in Section
     3(a)(2) of the Securities Act) as custodian with respect to any U.S.
     Government Obligation which is specified in Clause (x) above and held by
     such bank for the account of the holder of such depositary receipt, or with
     respect to any specific payment of principal of or interest on any U.S.
     Government Obligation which is so specified and held, 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 depositary receipt from any
     amount received by the custodian in respect of the U.S. Government
     Obligation or the specific payment of principal or interest evidenced by
     such depositary receipt.

          (2) In the event of an election to have Section 1302 apply to any
     Securities or any series of Securities, as the case may be, the Company
     shall have delivered to the Trustee an Opinion of Counsel stating that (A)
     the Company has received from, or there has been published by, the Internal
     Revenue Service a ruling or (B) since the date of this instrument, there
     has been a change in the applicable Federal income tax law, in either case
     (A) or (B) to the effect that, and based thereon such opinion shall confirm
     that, the Holders of such Securities will not recognize gain or loss for
     Federal income tax purposes as a result of the deposit, Defeasance and
     discharge to be effected with respect to such Securities and will be
     subject to Federal income tax on the same amounts, in the same manner and
     at the same times as would be the case if such deposit, Defeasance and
     discharge were not to occur.

          (3) In the event of an election to have Section 1303 apply to any
     Securities or any series of Securities, as the case may be, the Company
     shall have delivered to the Trustee an Opinion of Counsel to the effect
     that the Holders of such Securities will not recognize gain or loss for
     Federal income tax purposes as a result of the deposit and Covenant
     Defeasance to be effected with respect to such Securities and will be
     subject to Federal income tax on the same amounts, in the same manner and
     at the same times as would be the case if such deposit and Covenant
     Defeasance were not to occur.

          (4) The Company shall have delivered to the Trustee an Officer's
     Certificate to the effect that neither such Securities nor any other
     Securities of the same series, if then listed on any securities exchange,
     will be delisted as a result of such deposit.

          (5) No event which is, or after notice or lapse of time or both would
     become, an Event of Default with respect to such Securities or any other
     Securities shall have occurred and be continuing at the time of such
     deposit or, with regard to any such event specified in Sections 501(6) and
     (7), at any time on or prior to the 90th day after the date of such deposit
     (it being understood that this condition shall not be deemed satisfied
     until after such 90th day).

          (6) Such Defeasance or Covenant Defeasance shall not cause the Trustee
     to have a conflicting interest within the meaning of the Trust Indenture
     Act (assuming all Securities are in default within the meaning of such
     Act).


                                      -68
<PAGE>   77


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

          (8) Such Defeasance or Covenant Defeasance shall not result in the
     trust arising from such deposit constituting an investment company within
     the meaning of the Investment Company Act unless such trust shall be
     registered under such Act or exempt from registration thereunder.

          (9) The Company shall have delivered to the Trustee an Officer's
     Certificate and an Opinion of Counsel, each stating that all conditions
     precedent with respect to such Defeasance or Covenant Defeasance have been
     complied with.


SECTION 1305. Deposited Money and U.S. Government Obligations to be Held in
              Trust; Miscellaneous Provisions.

          Subject to the provisions of the last paragraph of Section 1003, all
money and U.S. Government Obligations (including the proceeds thereof) deposited
with the Trustee or other qualifying trustee (solely for purposes of this
Section and Section 1306, the Trustee and any such other trustee are referred to
collectively as the "Trustee") pursuant to Section 1304 in respect of any
Securities shall be held in trust and applied by the Trustee, in accordance with
the provisions of such Securities and this Indenture, to the payment, either
directly or through any such Paying Agent (including the Company acting as its
own Paying Agent) as the Trustee may determine, to the Holders of such
Securities, of all sums due and to become due thereon in respect of principal
and any premium and interest, but money so held in trust need not be segregated
from other funds except to the extent required by law.

          The Company shall pay and indemnify the Trustee against any tax, fee
or other charge imposed on or assessed against the U.S. Government Obligations
deposited pursuant to Section 1304 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 Outstanding Securities. 

          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 U.S. Government Obligations held by it as provided in Section 1304
with respect to any Securities 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 the Defeasance or Covenant
Defeasance, as the case may be, with respect to such Securities.



                                      -69-
<PAGE>   78



SECTION 1306.  Reinstatement.

          If the Trustee or the Paying Agent is unable to apply any money in
accordance with this Article with respect to any Securities by reason of any
order or judgment of any court or governmental authority enjoining, restraining
or otherwise prohibiting such application, then the obligations under this
Indenture and such Securities from which the Company has been discharged or
released pursuant to Section 1302 or 1303 shall be revived and reinstated as
though no deposit had occurred pursuant to this Article with respect to such
Securities, until such time as the Trustee or Paying Agent is permitted to apply
all money held in trust pursuant to Section 1305 with respect to such Securities
in accordance with this Article; provided, however, that if the Company makes
any payment of principal of or any premium or interest on any such Security
following such reinstatement of its obligations, the Company shall be subrogated
to the rights (if any) of the Holders of such Securities to receive such payment
from the money so held in trust.


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


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





                                      -70
<PAGE>   79

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


                                   STAPLES, INC.

                                   By
                                     ----------------------------------------


[Seal]


Attest:


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



                                   THE CHASE MANHATTAN BANK

                                   By
                                     ----------------------------------------


[Seal]


Attest:


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






                                      -71-
<PAGE>   80




COMMONWEALTH OF MASSACHUSETTS       )
                                    )  ss.:
COUNTY OF ...........               )


          On the ... day of ............, 1997, before me personally came
 ........................., to me known, who, being by me duly sworn, did depose
and say that he/she is ........................... of Staples, Inc., one of the
corporations described in and which executed the foregoing instrument; that
he/she knows the seal of said corporation; that the seal affixed to said
instrument is such corporate seal; that it was so affixed by authority of the
Board of Directors of said corporation; and that he/she signed his/her name
thereto by like authority.



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


STATE OF NEW YORK                   )
                                    )  ss.:
COUNTY OF NEW YORK                  )


          On the ... day of ............, 1997, before me personally came
 ........................., to me known, who, being by me duly sworn, did depose
and say that he/she is a Trust Officer of The Chase Manhattan Bank, one of the
corporations described in and which executed the foregoing instrument; that
he/she knows the seal of said corporation; that the seal affixed to said
instrument is such corporate seal; that it was so affixed by authority of the
Board of Directors of said corporation; and that he/she signed his/her name
thereto by like authority.



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





<PAGE>   1
================================================================================





                                  STAPLES, INC.


                                       TO


                            THE CHASE MANHATTAN BANK
                                             Trustee



                                   ----------



                                    INDENTURE


                           Dated as of ________, 1997




                                   ----------



                          SUBORDINATED DEBT SECURITIES



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





<PAGE>   2



                                  STAPLES, INC.
    CERTAIN SECTIONS OF THIS INDENTURE RELATING TO SECTIONS 310 THROUGH 318,
                 INCLUSIVE, OF THE TRUST INDENTURE ACT OF 1939:

TRUST INDENTURE
  ACT SECTION                                                 INDENTURE SECTION

ss. 310(a)(1)    ..............................................  609
       (a)(2)    ..............................................  609
       (a)(3)    ..............................................  Not Applicable
       (a)(4)    ..............................................  Not Applicable
       (b)        .............................................. 608
                                                                 610
ss.311(a)        ..............................................  613
      (b)        ..............................................  613
ss.312(a)        ..............................................  701
                                                                 702
      (b)        ..............................................  702
      (c)        ..............................................  702
ss.313(a)        ..............................................  703
      (b)        ..............................................  703
      (c)        ..............................................  703
      (d)        ..............................................  703
ss.314(a)        ..............................................  704
      (a)(4)     ..............................................  101
                                                                1004
      (b)        ..............................................  Not Applicable
      (c)(1)     ..............................................  102
      (c)(2)     ..............................................  102
      (c)(3)     ..............................................  Not Applicable
      (d)        ..............................................  Not Applicable
      (e)        ..............................................  102
ss.315(a)        ..............................................  601
      (b)        ..............................................  602
      (c)        ..............................................  601
      (d)        ..............................................  601
      (e)        ..............................................  514
ss.316(a)        ..............................................  101
      (a)(1)(A)  ..............................................  502
                                                                 512
      (a)(1)(B)  ..............................................  513
      (a)(2)     ..............................................  Not Applicable
      (b)        ..............................................  508
      (c)        ..............................................  104
ss.317(a)(1)     ..............................................  503
      (a)(2)     ..............................................  504
      (b)        .............................................. 1003
ss.318(a)        ..............................................  107

- ----------

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




<PAGE>   3

                                TABLE OF CONTENTS
                                -----------------


RECITALS OF THE COMPANY.......................................................1

                                   ARTICLE ONE

                        DEFINITIONS AND OTHER PROVISIONS
                             OF GENERAL APPLICATION

SECTION 101.  Definitions.....................................................1
         Act .................................................................2
         Affiliate............................................................2
         control..............................................................2
         Authenticating Agent.................................................2
         Board of Directors...................................................2
         Board Resolution.....................................................2
         Business Day.........................................................2
         Commission...........................................................2
         Company..............................................................2
         Company Request......................................................2
         Company Order........................................................2
         Corporate Trust Office...............................................3
         corporation..........................................................3
         Covenant Defeasance..................................................3
         Defaulted Interest...................................................3
         Defeasance...........................................................3
         Depositary...........................................................3
         Event of Default.....................................................3
         Exchange Act.........................................................3
         Expiration Date......................................................3
         Global Security......................................................3
         Holder...............................................................3
         Indenture............................................................3
         interest.............................................................3
         Interest Payment Date................................................4
         Investment Company Act...............................................4
         Maturity.............................................................4
         Notice of Default....................................................4
         Officers' Certificate................................................4
         Opinion of Counsel...................................................4
         Original Issue Discount Security.....................................4
         Outstanding..........................................................4
         Paying Agent.........................................................5

- ----------
    NOTE:  This table of contents shall not, for any purpose, be deemed to be a 
           part of the Indenture.





<PAGE>   4

                                                                           PAGE
                                                                           ----

         Person.............................................................. 5
         Place of Payment.................................................... 5
         Predecessor Security................................................ 5
         Redemption Date..................................................... 6
         Redemption Price.................................................... 6
         Regular Record Date................................................. 6
         Responsible Officer................................................. 6
         Securities.......................................................... 6
         Securities Act...................................................... 6
         Security Register" and "Security Registrar.......................... 6
         Special Record Date................................................. 7
         Stated Maturity..................................................... 7
         Subsidiary.......................................................... 7
         Trust Indenture Act................................................. 7
         Trustee............................................................. 7
         U.S. Government Obligation.......................................... 7
         Vice President...................................................... 7
         Voting Stock........................................................ 7
         Wholly Owned........................................................ 7
SECTION 102.  Compliance Certificates and Opinions........................... 7
SECTION 103.  Form of Documents Delivered to Trustee......................... 8
SECTION 104.  Acts of Holders; Record Dates.................................. 9
SECTION 105.  Notices, Etc., to Trustee and Company..........................11
SECTION 106.  Notice to Holders; Waiver......................................11
SECTION 107.  Conflict with Trust Indenture Act..............................12
SECTION 108.  Effect of Headings and Table of Contents.......................12
SECTION 109.  Successors and Assigns.........................................12
SECTION 110.  Separability Clause............................................12
SECTION 111.  Benefits of Indenture..........................................12
SECTION 112.  Governing Law..................................................12
SECTION 113.  Legal Holidays.................................................13


                                   ARTICLE TWO

                                 SECURITY FORMS

SECTION 201.  Forms Generally................................................13
SECTION 202.  Form of Face of Security.......................................14
SECTION 203.  Form of Reverse of Security....................................15
SECTION 204.  Form of Legend for Global Securities...........................20
SECTION 205.  Form of Trustee's Certificate of Authentication................20



                                      -ii-
<PAGE>   5

                                                                            PAGE
                                                                            ----
                                  ARTICLE THREE

                                 THE SECURITIES

SECTION 301.  Amount Unlimited; Issuable in Series...........................21
SECTION 302.  Denominations..................................................23
SECTION 303.  Execution, Authentication, Delivery and Dating.................24
SECTION 304.  Temporary Securities...........................................25
SECTION 305.  Registration, Registration of Transfer and Exchange............26
SECTION 306.  Mutilated, Destroyed, Lost and Stolen Securities...............27
SECTION 307.  Payment of Interest; Interest Rights Preserved.................28
SECTION 308.  Persons Deemed Owners..........................................29
SECTION 309.  Cancellation...................................................30
SECTION 310.  Computation of Interest........................................30
SECTION 311.  CUSIP Numbers..................................................30


                                  ARTICLE FOUR

                           SATISFACTION AND DISCHARGE

SECTION 401.  Satisfaction and Discharge of Indenture........................30
SECTION 402.  Application of Trust Money.....................................32


                                  ARTICLE FIVE

                                    REMEDIES

SECTION 501.  Events of Default..............................................32
SECTION 502.  Acceleration of Maturity; Rescission and Annulment.............34
SECTION 503.  Collection of Indebtedness and Suits for Enforcement 
              by Trustee.....................................................35
SECTION 504.  Trustee May File Proofs of Claim...............................35
SECTION 505.  Trustee May Enforce Claims Without Possession 
              of Securities..................................................36
SECTION 506.  Application of Money Collected.................................36
SECTION 507.  Limitation on Suits............................................37
SECTION 508.  Unconditional Right of Holders to Receive Principal,
              Premium and Interest...........................................37
SECTION 509.  Restoration of Rights and Remedies.............................38
SECTION 510.  Rights and Remedies Cumulative.................................38
SECTION 511.  Delay or Omission Not Waiver...................................38
SECTION 512.  Control by Holders.............................................38
SECTION 513.  Waiver of Past Defaults........................................39



                                     -iii-
<PAGE>   6
                                                                            PAGE
                                                                            ----


SECTION 514.  Undertaking for Costs..........................................39
SECTION 515.  Waiver of Usury, Stay or Extension Laws........................39


                                   ARTICLE SIX

                                   THE TRUSTEE

SECTION 601.  Certain Duties and Responsibilities............................40
SECTION 602.  Notice of Defaults.............................................40
SECTION 603.  Certain Rights of Trustee......................................40
SECTION 604.  Not Responsible for Recitals or Issuance 
              of Securities..................................................42
SECTION 605.  May Hold Securities............................................42
SECTION 606.  Money Held in Trust............................................42
SECTION 607.  Compensation and Reimbursement.................................42
SECTION 608.  Conflicting Interests..........................................43
SECTION 609.  Corporate Trustee Required; Eligibility........................43
SECTION 610.  Resignation and Removal; Appointment of Successor..............43
SECTION 611.  Acceptance of Appointment by Successor.........................45
SECTION 612.  Merger, Conversion, Consolidation or Succession 
              to Business....................................................46
SECTION 613.  Preferential Collection of Claims Against Company..............46
SECTION 614.  Appointment of Authenticating Agent............................46


                                  ARTICLE SEVEN

                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

SECTION 701.  Company to Furnish Trustee Names and Addresses 
              of Holders.....................................................48
SECTION 702.  Preservation of Information; Communications 
              to Holders.....................................................48
SECTION 703.  Reports by Trustee.............................................49
SECTION 704.  Reports by Company.............................................49


                                  ARTICLE EIGHT

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

SECTION 801.  Company May Consolidate, Etc., Only on Certain Terms...........49
SECTION 802.  Successor Substituted..........................................50




                                      -iv-
<PAGE>   7

                                                                            PAGE
                                                                            ----


                                  ARTICLE NINE

                             SUPPLEMENTAL INDENTURES

SECTION 901.  Supplemental Indentures Without Consent of Holders.............51
SECTION 902.  Supplemental Indentures With Consent of Holders................52
SECTION 903.  Execution of Supplemental Indentures...........................53
SECTION 904.  Effect of Supplemental Indentures..............................53
SECTION 905.  Conformity with Trust Indenture Act............................54
SECTION 906.  Reference in Securities to Supplemental Indentures.............54


                                   ARTICLE TEN

                                    COVENANTS

SECTION 1001.  Payment of Principal, Premium and Interest....................54
SECTION 1002.  Maintenance of Office or Agency...............................54
SECTION 1003.  Money for Securities Payments to be Held in Trust.............55
SECTION 1004.  Statement by Officers as to Default...........................56
SECTION 1005.  Existence.....................................................56
SECTION 1006.  Maintenance of Properties.....................................56
SECTION 1007.  Payment of Taxes and Other Claims.............................57
SECTION 1008.  Waiver of Certain Covenants...................................57


                                 ARTICLE ELEVEN

                            REDEMPTION OF SECURITIES

SECTION 1101.  Applicability of Article......................................57
SECTION 1102.  Election to Redeem; Notice to Trustee.........................57
SECTION 1103.  Selection by Trustee of Securities to be Redeemed.............58
SECTION 1104.  Notice of Redemption..........................................59
SECTION 1105.  Deposit of Redemption Price...................................59
SECTION 1106.  Securities Payable on Redemption Date.........................59
SECTION 1107.  Securities Redeemed in Part...................................60


                                 ARTICLE TWELVE

                                  SINKING FUNDS


                                      -v-
<PAGE>   8
                                                                            PAGE
                                                                            ----


SECTION 1201.  Applicability of Article......................................60
SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities.........61
SECTION 1203.  Redemption of Securities for Sinking Fund.....................61


                                ARTICLE THIRTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE

SECTION 1301.  Company's Option to Effect Defeasance or Covenant 
               Defeasance....................................................61
SECTION 1302.  Defeasance and Discharge......................................62
SECTION 1303.  Covenant Defeasance...........................................62
SECTION 1304.  Conditions to Defeasance or Covenant Defeasance...............63
SECTION 1305.  Deposited Money and U.S. Government Obligations to be
               Held in Trust; Miscellaneous Provisions.......................65
SECTION 1306.  Reinstatement.................................................65



                                ARTICLE FOURTEEN

                                  SUBORDINATION

SECTION 1401.  Securities Subordinated to Senior Indebtedness................67
SECTION 1402.  No Payments in Certain Circumstances; Payment
               Over of Proceeds Upon Dissolution, Etc........................67
SECTION 1403.  Notice to Trustee of Specified Events; Reliance on 
               Certificate of Liquidating Agent..............................69
SECTION 1404.  Trustee to Effectuate Subordination...........................69
SECTION 1405.  Trustee Not Charged with Knowledge of
               Prohibition...................................................70
SECTION 1406.  Trustee Not Fiduciary for Holders of Senior
               Indebtedness..................................................70
SECTION 1407.  Rights of Trustee as Holder of Senior Indebtedness;
               Preservation of Trustee's Rights..............................70
SECTION 1408.  Article Applicable to Paying Agents...........................71



                                      -vi-


<PAGE>   9

       INDENTURE, dated as of ________ ___, 1997, between STAPLES, INC., a
corporation duly organized and existing under the laws of the State of Delaware
(herein called the "Company"), having its principal office at One Research
Drive, Westborough, Massachusetts 01581, and THE CHASE MANHATTAN BANK, a banking
corporation duly organized and existing under the laws of the State of New York,
as Trustee (herein called the "Trustee").

                             RECITALS OF THE COMPANY

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

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

       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 agreed, for the equal and
proportionate benefit of all Holders of the Securities or of series thereof, as
follows:


                                   ARTICLE ONE

                        DEFINITIONS AND OTHER PROVISIONS
                             OF GENERAL APPLICATION


SECTION 101.  Definitions.

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

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

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

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





<PAGE>   10


       (4) unless the context otherwise requires, any reference to an "Article"
or a "Section" refers to an Article or a Section, as the case may be, of this
Indenture; and

       (5) 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.

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

       "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition,
"control" when used with respect to any specified Person means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise;
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing. Notwithstanding the foregoing, a Person which is a registered
investment advisor or an Affiliate thereof and which owns 15% or less of the
outstanding voting stock of the Company will not be deemed to control the
Company. 

       "Authenticating Agent" means any Person authorized by the Trustee
pursuant to Section 614 to act on behalf of the Trustee to authenticate
Securities of one or more series.

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

       "Board Resolution" means a copy of a resolution certified by the
Secretary or an Assistant Secretary of the Company to have been duly adopted by
the Board of Directors (or a duly appointed committee of the Board of
Directors) and to be in full force and effect on the date of such 
certification, and delivered to the Trustee.

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

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

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

       "Company Request" or "Company Order" means a written request or order
signed in the name of the Company by its Chairman of the Board, its Vice
Chairman of the Board,


                                       -2-

<PAGE>   11


its President or a Vice President, and by its Treasurer, an Assistant Treasurer,
its Secretary or an Assistant Secretary, and delivered to the Trustee.

       "Corporate Trust Office" means the principal office of the Trustee in The
City of New York at which at any particular time its corporate trust business
shall be administered.

       "corporation" means a corporation, limited liability company,
association, partnership, company, joint-stock company or business trust.

       "Covenant Defeasance" has the meaning specified in Section 1303.

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

       "Defeasance" has the meaning specified in Section 1302.

       "Depositary" means, with respect to Securities of any series issuable in
whole or in part in the form of one or more Global Securities, a clearing agency
registered under the Exchange Act that is designated to act as Depositary for
such Securities as contemplated by Section 301.

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

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

       "Expiration Date" has the meaning specified in Section 104.

       "Global Security" means a Security that evidences all or part of the
Securities of any series and bears the legend set forth in Section 204 (or such
legend as may be specified as contemplated by Section 301 for such Securities).

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

       "Indenture" means this instrument as originally executed and 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,
including, for all purposes of this instrument and any such supplemental
indenture, the provisions of the Trust Indenture Act that are deemed to be a
part of and govern this instrument and any such supplemental indenture,
respectively. The term "Indenture" shall also include the terms of particular
series of Securities established as contemplated by Section 301.

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



                                       -3-



<PAGE>   12


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

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

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

       "Notice of Default" means a written notice of the kind specified in
Section 501(4) or 501(5).

       "Officers' Certificate" means a certificate signed by the Chairman of the
Board, a Vice Chairman of the Board, the President or a Vice President, and by
the Treasurer, an Assistant Treasurer, the Secretary or an Assistant Secretary,
of the Company, and delivered to the Trustee. One of the officers signing an
Officers' Certificate given pursuant to Section 1004 shall be the principal
executive, financial or accounting officer of the Company.

       "Opinion of Counsel" means a written opinion of counsel, who may be
counsel for the Company, and who shall be reasonably acceptable 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:

       (1) Securities theretofore cancelled by the Trustee or delivered to the
Trustee for cancellation;

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

       (3) Securities as to which Defeasance has been effected pursuant to
Section 1302; and




                                       -4-



<PAGE>   13


       (4) 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;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given, made or taken any
request, demand, authorization, direction, notice, consent, waiver or other
action hereunder as of any date, (A) the principal amount of an Original Issue
Discount Security which shall be deemed to be Outstanding shall be the amount of
the principal thereof which would be due and payable as of such date upon
acceleration of the Maturity thereof to such date pursuant to Section 502, (B)
if, as of such date, the principal amount payable at the Stated Maturity of a
Security is not determinable, the principal amount of such Security which shall
be deemed to be Outstanding shall be the amount as specified or determined as
contemplated by Section 301, (C) the principal amount of a Security denominated
in one or more foreign currencies or currency units which shall be deemed to be
Outstanding shall be the U.S. dollar equivalent, determined as of such date in
the manner provided as contemplated by Section 301, of the principal amount of
such Security (or, in the case of a Security described in Clause (A) or (B)
above, of the amount determined as provided in such Clause), and (D) Securities
owned by the Company or any other obligor upon the Securities or any Affiliate
of the Company or of such other obligor shall be disregarded and deemed not to
be Outstanding, except that, in determining whether the Trustee shall be
protected in relying upon any such request, demand, authorization, direction,
notice, consent, waiver or other action, 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 or any premium or interest on any Securities on behalf of the
Company.

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

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

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


                                       -5-



<PAGE>   14


shall be deemed to evidence the same debt as the mutilated, destroyed, lost or
stolen Security.

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

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

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

       "Responsible Officer", when used with respect to the Trustee, means any
officer of the Trustee with direct responsibility for the administration of this
Indenture and also means, with respect to a particular corporate trust matter,
any other officer to whom such matter is referred because of his knowledge of
and familiarity with the particular subject.

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

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

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

       "Senior Indebtedness" means (a) all indebtedness of the Company,
including the principal of, premium, if any, and interest on such indebtedness
whether outstanding on the date of this Indenture or thereafter created, (i) for
borrowed money, (ii) for money borrowed by others and guaranteed, directly or
indirectly, by the Company, (iii) constituting purchase money indebtedness for
the payment of which the Company is directly or contingently liable, (iv)
constituting reimbursement obligations under bank letters of credit, (v) under
interest rate and currency swaps, caps, floors, collars or similar agreements or
arrangements intended to protect the Company against fluctuations in interest or
currency exchange rates, or (vi) under any lease of any real or personal
property, whether outstanding on the date of execution of this Indenture or
thereafter created, incurred or assumed, which obligations are capitalized on
the books of the Company in accordance with generally accepted accounting
principles, unless, in any such case, by the terms of the instrument creating or
evidencing such indebtedness it is provided that such indebtedness is not
superior in right of payment to the Securities or to other indebtedness which is
pari passu with, or subordinated to, the Securities, and (b) any modifications,
refundings, deferrals, renewals or extensions of any such Senior Indebtedness,
or securities, notes or other evidences of indebtedness issued in exchange for
such Senior Indebtedness. As used in the preceding sentence, the term "purchase
money indebtedness" shall mean indebtedness evidenced by a note, debenture, bond
or




                                       -6-



<PAGE>   15


other similar instrument (whether or not secured by any lien or other security
interest) given in connection with the acquisition of any business, properties
or assets of any kind acquired by the Company or any Subsidiary; provided,
however, that without limiting the generality of the foregoing, such term shall
not include any conditional sale contract or any account payable or any other
indebtedness created or assumed by the Company in the ordinary course of
business in connection with the obtaining of inventories or services.

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

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

       "Subsidiary" means a corporation more than 50% of the outstanding voting
stock of which is owned, directly or indirectly, by the Company or a Person or
by one or more other Subsidiaries of the Company or that Person, or by the
Company or a Person and one or more other Subsidiaries of the Company or that
Person. For the purposes of this definition, "voting stock" means stock which
ordinarily has voting power for the election of directors, whether at all times
or only so long as no senior class of stock has such voting power by reason of
any contingency.

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

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

       "U.S. Government Obligation" has the meaning specified in Section 1304.

       "Vice President", when used with respect to the Company or the Trustee,
means any vice president, whether or not designated by a number or a word or
words added before or after the title "vice president".
 
       "Voting Stock" means, with respect to any corporation, securities of any
class or classes, the holders of which are ordinarily, in the absence of
contingencies, entitled to elect a majority of the corporate directors (or
Persons performing similar functions) of such corporation.

       "Wholly Owned" means, when used in connection with any Subsidiary, a
Subsidiary of which all of the issued and outstanding shares of Voting Stock
(except shares required as directors' qualifying shares) are owned by the
Company and/or one or more Wholly Owned Subsidiaries.

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 such



                                       -7-




<PAGE>   16


certificates and opinions as may be required under the Trust Indenture Act. Each
such certificate or opinion shall be given in the form of an Officers'
Certificate, if to be given by an officer of the Company, or an Opinion of
Counsel, if to be given by counsel, and shall comply with the requirements of
the Trust Indenture Act and any other requirements set forth in this Indenture.

       Every certificate or opinion with respect to compliance with a condition
or covenant provided for in this Indenture (except for certificates provided for
in Section 1004) shall include,

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

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

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

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


SECTION 103.  Form of Documents Delivered to Trustee.

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

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



                                       -8-



<PAGE>   17


       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; Record Dates.

       Any request, demand, authorization, direction, notice, consent, waiver or
other action provided or permitted by this Indenture to be given, made or taken
by Holders may be embodied in and evidenced by one or more instruments of
substantially similar tenor signed by such Holders in person or by agent duly
appointed in writing; and, except as herein otherwise expressly provided, such
action shall become effective when such instrument or instruments are delivered
to the Trustee and, where it is hereby expressly required, to the Company. Such
instrument or instruments (and the action embodied therein and evidenced
thereby) are herein sometimes referred to as the "Act" of the Holders signing
such instrument or instruments. Proof of execution of any such instrument or of
a writing appointing any such agent shall be sufficient for any purpose of this
Indenture and (subject to Section 601) conclusive in favor of the Trustee and
the Company, if made in the manner provided in this Section.

       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 manner which the Trustee deems sufficient.

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

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

       The Company may set any day as a record date for the purpose of
determining the Holders of Outstanding Securities of any series entitled to
give, make or take any request, demand, authorization, direction, notice,
consent, waiver or other action provided or permitted by this Indenture to be
given, made or taken by Holders of Securities of such series, provided that the
Company may not set a record date for, and the provisions of this paragraph
shall not apply with respect to, the giving or making of any notice,
declaration, request or direction referred to in the next paragraph. If any
record date is set pursuant to


                                       -9-




<PAGE>   18


this paragraph, the Holders of Outstanding Securities of the relevant series on
such record date, and no other Holders, shall be entitled to take the relevant
action, whether or not such Holders remain Holders after such record date;
provided that no such action shall be effective hereunder unless taken on or
prior to the applicable Expiration Date by Holders of the requisite principal
amount of Outstanding Securities of such series on such record date. Nothing in
this paragraph shall be construed to prevent the Company from setting a new
record date for any action for which a record date has previously been set
pursuant to this paragraph (whereupon the record date previously set shall
automatically and with no action by any Person be cancelled and of no effect),
and nothing in this paragraph shall be construed to render ineffective any
action taken by Holders of the requisite principal amount of Outstanding
Securities of the relevant series on the date such action is taken. Promptly
after any record date is set pursuant to this paragraph, the Company, at its own
expense, shall cause notice of such record date, the proposed action by Holders
and the applicable Expiration Date to be given to the Trustee in writing and to
each Holder of Securities of the relevant series in the manner set forth in
Section 106.

       The Trustee may set any day as a record date for the purpose of
determining the Holders of Outstanding Securities of any series entitled to join
in the giving or making of (i) any Notice of Default, (ii) any declaration of
acceleration referred to in Section 502, (iii) any request to institute
proceedings referred to in Section 507(2) or (iv) any direction referred to in
Section 512, in each case with respect to Securities of such series. If any
record date is set pursuant to this paragraph, the Holders of Outstanding
Securities of such series on such record date, and no other Holders, shall be
entitled to join in such notice, declaration, request or direction, whether or
not such Holders remain Holders after such record date; provided that no such
action shall be effective hereunder unless taken on or prior to the applicable
Expiration Date by Holders of the requisite principal amount of Outstanding
Securities of such series on such record date. Nothing in this paragraph shall
be construed to prevent the Trustee from setting a new record date for any
action for which a record date has previously been set pursuant to this
paragraph (whereupon the record date previously set shall automatically and with
no action by any Person be cancelled and of no effect), and nothing in this
paragraph shall be construed to render ineffective any action taken by Holders
of the requisite principal amount of Outstanding Securities of the relevant
series on the date such action is taken. Promptly after any record date is set
pursuant to this paragraph, the Trustee, at the Company's expense, shall cause
notice of such record date, the proposed action by Holders and the applicable
Expiration Date to be given to the Company in writing and to each Holder of
Securities of the relevant series in the manner set forth in Section 106.

       With respect to any record date set pursuant to this Section, the party
hereto which sets such record date may designate any day as the "Expiration
Date" and from time to time may change the Expiration Date to any earlier or
later day; provided that no such change shall be effective unless notice of the
proposed new Expiration Date is given to the other party hereto in writing, and
to each Holder of Securities of the relevant series in the manner set forth in
Section 106, on or prior to the existing Expiration Date. If an Expiration Date
is not designated with respect to any record date set pursuant to this Section,
the party hereto which set such record date shall be deemed to have initially


                                      -10-




<PAGE>   19


designated the 180th day after such record date as the Expiration Date with
respect thereto, subject to its right to change the Expiration Date as provided
in this paragraph. Notwithstanding the foregoing, no Expiration Date shall be
later than the 180th day after the applicable record date.

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


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 Trustee
   Administration Department.

         (2) the Company by the Trustee or by any Holder shall be sufficient for
   every purpose hereunder (unless otherwise herein expressly provided) if in
   writing and mailed, first-class postage prepaid, to the Company addressed to
   it at the address of its principal office specified in the first paragraph of
   this instrument to the attention of the Chief Financial Officer, with a 
   copy to be sent to Staples, Inc., 100 Pennsylvania Avenue, Framingham, MA 
   01701, Attention: General Counsel, or at any other address previously 
   furnished in writing to the Trustee by the Company.


SECTION 106.  Notice to Holders; Waiver.

       Where this Indenture provides for notice to Holders of any event, such
notice shall be sufficiently given (unless otherwise herein expressly provided)
if in writing and mailed, first-class postage prepaid, to each Holder affected
by such event, at his address as it appears in the Security Register, not later
than the latest date (if any), and not earlier than the earliest date (if any),
prescribed for the giving of such notice. In any case where notice to Holders is
given by mail, neither the failure to mail such notice, nor any defect in any
notice so mailed, to any particular Holder shall affect the sufficiency of such
notice with respect to other Holders. Where this 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.



                                      -11-




<PAGE>   20


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


SECTION 107.  Conflict with Trust Indenture Act.

       If any provision hereof limits, qualifies or conflicts with a provision
of the Trust Indenture Act which is required under such Act to be a part of and
govern this Indenture, the latter provision shall control. If any provision of
this Indenture modifies or excludes any provision of the Trust Indenture Act
which may be so modified or excluded, the latter provision shall be deemed to
apply to this Indenture as so modified or to be excluded, as the case may be.

SECTION 108.  Effect of Headings and Table of Contents.

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


SECTION 109.  Successors and Assigns.

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


SECTION 110.  Separability Clause.

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


SECTION 111.  Benefits of Indenture.

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


SECTION 112.  Governing Law.



                                      -12-
<PAGE>   21


       This Indenture and the Securities shall be governed by and construed in
accordance with the laws of the State of New York.


SECTION 113.  Legal Holidays.

       In any case where any Interest Payment Date, Redemption Date or Stated
Maturity of any Security shall not be a Business Day at any Place of Payment,
then (notwithstanding any other provision of this Indenture or of the Securities
(other than a provision of any Security which specifically states that such
provision shall apply in lieu of this Section)) payment of interest or principal
(and premium, if any) need not be made at such Place of Payment on such date,
but may be made on the next succeeding Business Day at such Place of Payment
with the same force and effect as if made on the Interest Payment Date or
Redemption Date, or at the Stated Maturity.


                                   ARTICLE TWO

                                 SECURITY FORMS


SECTION 201.  Forms Generally.

       The Securities of each series shall be in substantially the form set
forth in this Article, or in such other form as shall be established by or
pursuant to a Board Resolution or in one or more indentures supplemental hereto,
in each case with such appropriate insertions, omissions, substitutions and
other variations as are required or permitted by this Indenture, and may have
such letters, numbers or other marks of identification and such legends or
endorsements placed thereon as may be required to comply with the rules of any
securities exchange or Depositary therefor or as may, consistently herewith, be
determined by the officers executing such Securities, as evidenced by their
execution thereof. If the form of Securities of any series is established by
action taken pursuant to a Board Resolution, a copy of an appropriate record of
such action 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 contemplated by Section 303 for the authentication and delivery of such
Securities.

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




                                      -13-




<PAGE>   22


SECTION 202.  Form of Face of Security.

       [Insert any legend required by the Internal Revenue Code and the
regulations thereunder.]

                                  STAPLES, INC.

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

No. .........                                                        $ ........

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

[If the Security is not to bear interest prior to Maturity, insert -- The
principal of this Security shall not bear interest except in the case of a
default in payment of principal upon acceleration, upon redemption or at Stated
Maturity and in such case the overdue principal and any overdue premium shall
bear interest at the rate of ....% per annum (to the extent that the payment of
such interest shall be legally enforceable), from the dates such amounts are due
until they are paid or made available for payment. Interest on any overdue


                                      -14-



<PAGE>   23


principal or premium shall be payable on demand. [Any such interest on overdue
principal or premium which is not paid on demand shall bear interest at the rate
of ......% per annum (to the extent that the payment of such interest on
interest shall be legally enforce able), from the date of such demand until the
amount so demanded is paid or made available for payment. Interest on any
overdue interest shall be payable on demand.]]

       Payment of the principal of (and premium, if any) and [if applicable,
insert -- any such] interest on this Security will be made at the office or
agency of the Company maintained for that purpose in ............, in such coin
or currency of the United States of America as at the time of payment is legal
tender for payment of public and private debts [if applicable, insert -- ;
provided, however, that at the option of the Company payment of interest may be
made by check mailed to the address of the Person entitled thereto as such
address shall appear in the Security Register].

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

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

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

Dated:


                                        STAPLES, INC.

                                        By
                                          -------------------------------------
Attest:

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


SECTION 203.  Form of Reverse of Security.

       This Security is one of a duly authorized issue of securities of the
Company (herein called the "Securities"), issued and to be issued in one or more
series under an Indenture, dated as of ............... , 1997 (herein called the
"Indenture", which term shall have the meaning assigned to it in such
instrument), between the Company and The Chase Manhattan Bank, as Trustee
(herein called the "Trustee", which term includes any successor trustee under
the Indenture), and reference is hereby made to the Indenture for a statement of
the respective rights, limitations of rights, duties and immunities thereunder




                                      -15-




<PAGE>   24


of the Company, the Trustee, the holders of Senior Indebtedness and the Holders
of the Securities and of the terms upon which the Securities are, and are to be,
authenticated and delivered. This Security is one of the series designated on
the face hereof [if applicable, insert -- , limited in aggregate principal
amount to $...........].

       [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than 30 days' notice by mail, [if applicable, insert --
(1) on ........... in any year commencing with the year ...... and ending with
the year ...... through operation of the sinking fund for this series at a
Redemption Price equal to 100% of the principal amount, and (2)] at any time [if
applicable, insert -- on or after .........., ....], as a whole or in part, at
the election of the Company, at the following Redemption Prices (expressed as
percentages of the principal amount): If redeemed [if applicable, insert -- on
or before ..............., ...%, and if redeemed] during the 12-month period
beginning ............. of the years indicated,




                  Redemption                                         Redemption
Year                 Price                    Year                      Price
- ----              ----------                  ----                   ----------







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

       [If applicable, insert -- The Securities of this series are subject to
redemption upon not less than 30 days' notice by mail, (1) on ............ in
any year commencing with the year .... and ending with the year .... through
operation of the sinking fund for this series at the Redemption Prices for
redemption through operation of the sinking fund (expressed as percentages of
the principal amount) set forth in the table below, and (2) at any time [if
applicable, insert -- on or after ............], as a whole or in part, at the
election of the Company, at the Redemption Prices for redemption otherwise than
through operation of the sinking fund (expressed as percentages of the principal
amount) set forth in the table below: If redeemed during the 12-month period
beginning ............ of the years indicated,



                                      -16-




<PAGE>   25



                     Redemption Price
                      For Redemption                      Redemption Price For
                     Through Operation                    Redemption Otherwise
                          of the                         Than Through Operation
Year                   Sinking Fund                        of the Sinking Fund
- ----                 -----------------                   ----------------------





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

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

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

       [If applicable, insert -- The Securities of this series do not provide
for any sinking fund payments.]

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



                                      -17-




<PAGE>   26


       The indebtedness evidenced by this Security is, to the extent and in the
manner provided in the Indenture, subordinate in right of payment to the prior
payment in full of all Senior Indebtedness of the Company, and this Security is
issued subject to such provisions of the Indenture with respect thereto. Each
Holder of this Security, by accepting the same, (a) agrees to and shall be bound
by such provisions, (b) authorizes and directs the Trustee on his behalf to take
such action as may be necessary or appropriate to effectuate the subordination
so provided and (c) appoints the Trustee his attorney-in-fact for any and all
such purposes.

       [If applicable, insert -- The Indenture contains provisions for
defeasance at any time of [the entire indebtedness of this Security] [or]
[certain restrictive covenants and Events of Default with respect to this
Security] [, in each case] upon compliance with certain conditions set forth in
the Indenture.]

       [If the Security is not an Original Issue Discount Security, insert -- If
an Event of Default with respect to Securities of this series shall occur and be
continuing, the principal of the Securities of this series may be declared due
and payable in the manner and with the effect provided in the Indenture. Upon
payment (i) of the principal so declared due and payable and (ii) of interest on
any overdue principal, premium and interest (in each case to the extent that the
payment of such interest shall be legally enforceable), all of the Company's
obligations in respect of the payment of the principal of and premium and
interest, if any, on the Securities of this series shall terminate.]

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

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


                                      -18-




<PAGE>   27


exchange herefor or in lieu hereof, whether or not notation of such consent or
waiver is made upon this Security.

       As provided in and subject to the provisions of the Indenture, the Holder
of this Security shall not have the right to institute any proceeding with
respect to the Indenture or for the appointment of a receiver or trustee or for
any other remedy thereunder, unless such Holder shall have previously given the
Trustee written notice of a continuing Event of Default with respect to the
Securities of this series, the Holders of not less than 25% in principal amount
of the Securities of this series at the time Outstanding shall have made written
request to the Trustee to institute proceedings in respect of such Event of
Default as Trustee and offered the Trustee reasonable indemnity, and the Trustee
shall not have received from the Holders of a majority in principal amount of
Securities of this series at the time Outstanding a direction inconsistent with
such request, and shall have failed to institute any such proceeding, for 90
days after receipt of such notice, request and offer of indemnity. The foregoing
shall not apply to any suit instituted by the Holder of this Security for the
enforcement of any payment of principal hereof or any premium or interest hereon
on or after the respective due dates expressed herein.

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

       As provided in the Indenture and subject to certain limitations therein
set forth, the transfer of this Security is registrable in the Security
Register, upon surrender of this Security for registration of transfer at the
office or agency of the Company in any place where the principal of and any
premium and interest on this Security are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by, the Holder hereof or his
attorney duly authorized in writing, and thereupon one or more new Securities of
this series and of like tenor, of authorized denominations and for the same
aggregate principal amount, will be issued to the designated transferee or
transferees.

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

       No service charge shall be made for any such registration of transfer or
exchange, but the Company may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.

       Prior to due presentment of this Security for registration of transfer,
the Company, the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name this Security is registered as the owner hereof for all
purposes, whether or not this


                                      -19-




<PAGE>   28


Security be overdue, and neither the Company, the Trustee nor any such agent
shall be affected by notice to the contrary.

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

       The Indenture and this Security shall be governed by and construed in
accordance with the laws of the State of New York.


SECTION 204.  Form of Legend for Global Securities.

       Unless otherwise specified as contemplated by Section 301 for the
Securities evidenced thereby, every Global Security authenticated and delivered
hereunder shall bear a legend in substantially the following form:

THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A
SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE
REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE
THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.


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

       The Trustee's certificates of authentication shall be in substantially
the following form:

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


                                           THE CHASE MANHATTAN BANK,
                                                         As Trustee


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




                                      -20-




<PAGE>   29


                                  ARTICLE THREE

                                 THE SECURITIES


SECTION 301.  Amount Unlimited; Issuable in Series.

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

       The Securities may be issued in one or more series. There shall be
established in or pursuant to a Board Resolution and, subject to Section 303,
set forth, or determined in the manner provided, in an Officers' Certificate, or
established in one or more indentures supplemental hereto, prior to the issuance
of Securities of any series,

              (1) the title of the Securities of the series (which shall
       distinguish the Securities of the series from Securities of any other
       series);

              (2) any limit upon the aggregate principal amount of the
       Securities of the series which may be authenticated and delivered under
       this Indenture (except for Securities authenticated and delivered upon
       registration of transfer of, or in exchange for, or in lieu of, other
       Securities of the series pursuant to Section 304, 305, 306, 906 or 1107
       and except for any Securities which, pursuant to Section 303, are deemed
       never to have been authenticated and delivered hereunder);

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

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

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

              (6) the place or places where the principal of and any premium and
       interest on any Securities of the series shall be payable;

              (7) the period or periods within which, the price or prices at
       which and the terms and conditions upon which any Securities of the
       series may be redeemed, in whole or in part, at the option of the Company
       and, if other than by a Board Resolution, the manner in which any
       election by the Company to redeem the Securities shall be evidenced;



                                      -21-




<PAGE>   30


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

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

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

              (11) if other than the currency of the United States of America,
       the currency, currencies or currency units in which the principal of or
       any premium or interest on any Securities of the series shall be payable
       and the manner of determining the equivalent thereof in the currency of
       the United States of America for any purpose, including for purposes of
       the definition of "Outstanding" in Section 101;

              (12) if the principal of or any premium or interest on any
       Securities of the series is to be payable, at the election of the Company
       or the Holder thereof, in one or more currencies or currency units other
       than that or those in which such Securities are stated to be payable, the
       currency, currencies or currency units in which the principal of or any
       premium or interest on such Securities as to which such election is made
       shall be payable, the periods within which and the terms and conditions
       upon which such election is to be made and the amount so payable (or the
       manner in which such amount shall be determined;

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

              (14) if the principal amount payable at the Stated Maturity of any
       Securities of the series will not be determinable as of any one or more
       dates prior to the Stated Maturity, the amount which shall be deemed to
       be the principal amount of such Securities as of any such date for any
       purpose thereunder or hereunder, including the principal amount thereof
       which shall be due and payable upon any Maturity other than the Stated
       Maturity or which shall be deemed to be Outstanding as of any date prior
       to the Stated Maturity (or, in any such case, the manner in which such
       amount deemed to be the principal amount shall be determined);

              (15) if applicable, that the Securities of the series, in whole or
       any specified part, shall not be defeasible pursuant to Section 1302 or
       Section 1303 or both such Sections and, if other than by a Board
       Resolution, the manner in which any election by the Company to defease
       such Securities shall be evidenced;



                                      -22-




<PAGE>   31


              (16) if applicable, that any Securities of the series shall be
       issuable in whole or in part in the form of one or more Global Securities
       and, in such case, the respective Depositaries for such Global
       Securities, the form of any legend or legends which shall be borne by any
       such Global Security in addition to or in lieu of that set forth in
       Section 204 and any circumstances in addition to or in lieu of those set
       forth in Clause (2) of the last paragraph of Section 305 in which any
       such Global Security may be exchanged in whole or in part for Securities
       registered, and any transfer of such Global Security in whole or in part
       may be registered, in the name or names of Persons other than the
       Depositary for such Global Security or a nominee thereof;

              (17) any addition to or change in the Events of Default which
       applies to any Securities of the series and any change in the right of
       the Trustee or the requisite Holders of such Securities to declare the
       principal amount thereof due and payable pursuant to Section 502;

              (18) any addition to or change in the covenants set forth in
       Article Ten which applies to Securities of the series;

              (19) any restriction or condition on the transferability of the
       Securities; and

              (20) any other terms of the series (which terms shall not be
       inconsistent with the provisions of this Indenture, except as permitted
       by Section 901(5)).

       All Securities of any one series shall be substantially identical except
as to denomination and except as may otherwise be provided in or pursuant to the
Board Resolution referred to above and (subject to Section 303) set forth, or
determined in the manner provided, in the Officers' Certificate referred to
above or in any such indenture supplemental hereto.

       If any of the terms of the series are established by action taken
pursuant to a Board Resolution, a copy of an appropriate record of such action
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 Officers'
Certificate setting forth the terms of the series.

       The Securities shall be subordinated in right of payment to Senior
Indebtedness as provided in Article Fourteen.


SECTION 302.  Denominations.

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



                                      -23-




<PAGE>   32


SECTION 303.  Execution, Authentication, Delivery and Dating.

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

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

       At any time and from time to time after the execution and delivery of
this Indenture, the Company may deliver Securities of any series executed by the
Company to the Trustee for authentication, together with a Company Order for the
authentication and delivery of such Securities, and the Trustee in accordance
with the Company Order shall authenticate and deliver such Securities. If the
form or terms of the Securities of the series have been established by or
pursuant to one or more Board Resolutions as permitted by Sections 201 and 301,
in authenticating such Securities, and accepting the additional responsibilities
under this Indenture in relation to such Securities, the Trustee shall be
entitled to receive, and (subject to Section 601) shall be fully protected in
relying upon, an Opinion of Counsel stating,

              (1) if the form of such Securities has been established by or
       pursuant to Board Resolution as permitted by Section 201, that such form
       has been established in conformity with the provisions of this Indenture;

              (2) if the terms of such Securities have been established by or
       pursuant to Board Resolution as permitted by Section 301, that such terms
       have been established in conformity with the provisions of this
       Indenture; and

              (3) that such Securities, when authenticated and delivered by the
       Trustee and issued by the Company in the manner and subject to any
       conditions specified in such Opinion of Counsel, will constitute valid
       and legally binding obligations of the Company enforceable in accordance
       with their terms, subject to bankruptcy, insolvency, fraudulent transfer,
       reorganization, moratorium and similar laws of general applicability
       relating to or affecting creditors' rights and to general equity
       principles.

If such form or terms have been so established, the Trustee shall not be
required to authenticate such Securities if the issue of such Securities
pursuant to this Indenture will affect the Trustee's own rights, duties or
immunities under the Securities and this Indenture or otherwise in a manner
which is not reasonably acceptable to the Trustee.

       Notwithstanding the provisions of Section 301 and of the preceding
paragraph, if all Securities of a series are not to be originally issued at one
time, it shall not be necessary



                                      -24-




<PAGE>   33


to deliver the Officers' Certificate otherwise required pursuant to Section 301
or the Company Order and Opinion of Counsel otherwise required pursuant to such
preceding paragraph at or prior to the authentication of each Security of such
series if such documents are delivered at or prior to the authentication upon
original issuance of the first Security of such series to be issued.

       Each Security shall be dated the date of its authentication.

       No Security shall be entitled to any benefit under this Indenture or be
valid or obligatory for any purpose unless there appears on such Security a
certificate of authentication substantially in the form provided for herein
executed by the Trustee by manual signature, and such certificate upon any
Security shall be conclusive evidence, and the only evidence, that such Security
has been duly authenticated and delivered hereunder. Notwithstanding the
foregoing, if any Security shall have been authenticated and delivered hereunder
but never issued and sold by the Company, and the Company shall deliver such
Security to the Trustee for cancellation as provided in Section 309, for all
purposes of this Indenture such Security shall be deemed never to have been
authenticated and delivered hereunder and shall never be entitled to the
benefits of this Indenture.


SECTION 304.  Temporary Securities.

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

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




                                      -25-




<PAGE>   34


SECTION 305.  Registration, Registration of Transfer and Exchange.

       The Company shall cause to be kept at the Corporate Trust Office of the
Trustee a register (the register maintained in such office and in any other
office or agency of the Company in a Place of Payment being herein sometimes
collectively referred to as the "Security Register") in which, subject to such
reasonable regulations as it may prescribe, the Company shall provide for the
registration of Securities and of transfers of Securities. The Trustee is hereby
appointed "Security Registrar" for the purpose of registering Securities and
transfers of Securities as herein provided.

       Upon surrender for registration of transfer of any Security of a series
at the 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 Securities
of the same series, of any authorized denominations and of like tenor and
aggregate principal amount.

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

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

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

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

       If the Securities of any series (or of any series and specified tenor)
are to be redeemed in part, the Company shall not be required (A) to issue,
register the transfer of or exchange any Securities of that series (or of that
series and specified tenor, as the case may be) during a period beginning at the
opening of business 15 days before the day of the mailing of a notice of
redemption of any such Securities selected for redemption under Section 1103 and
ending at the close of business on the day of such mailing, or (B) to


                                      -26-




<PAGE>   35


register the transfer of or exchange any Security so selected for redemption in
whole or in part, except the unredeemed portion of any Security being redeemed
in part.

       The provisions of Clauses (1), (2), (3) and (4) below shall apply only to
Global Securities:

              (1) Each Global Security authenticated under this Indenture shall
       be registered in the name of the Depositary designated for such Global
       Security or a nominee thereof and delivered to such Depositary or a
       nominee thereof or custodian therefor, and each such Global Security
       shall constitute a single Security for all purposes of this Indenture.

              (2) Notwithstanding any other provision in this Indenture, no
       Global Security may be exchanged in whole or in part for Securities
       registered, and no transfer of a Global Security in whole or in part may
       be registered, in the name of any Person other than the Depositary for
       such Global Security or a nominee thereof unless (A) such Depositary (i)
       has notified the Company that it is unwilling or unable to continue as
       Depositary for such Global Security or (ii) has ceased to be a clearing
       agency registered under the Exchange Act, (B) there shall have occurred
       and be continuing an Event of Default with respect to such Global
       Security or (C) there shall exist such circumstances, if any, in addition
       to or in lieu of the foregoing as have been specified for this purpose as
       contemplated by Section 301.

              (3) Subject to Clause (2) above, any exchange of a Global Security
       for other Securities may be made in whole or in part, and all Securities
       issued in exchange for a Global Security or any portion thereof shall be
       registered in such names as the Depositary for such Global Security shall
       direct.

              (4) Every Security authenticated and delivered upon registration
       of transfer of, or in exchange for or in lieu of, a Global Security or
       any portion thereof, whether pursuant to this Section, Section 304, 306,
       906 or 1107 or otherwise, shall be authenticated and delivered in the
       form of, and shall be, a Global Security, unless such Security is
       registered in the name of a Person other than the Depositary for such
       Global Security or a nominee thereof.


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

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

       If there shall be delivered to the Company and the Trustee (i) evidence
to their satisfaction of the destruction, loss or theft of any Security and (ii)
such security or indemnity as may be required by them to save each of them and
any agent of either of them harmless, then, in the absence of notice to the
Company or the Trustee that such



                                      -27-




<PAGE>   36


Security has been acquired by a bona fide purchaser, the Company shall execute
and the Trustee shall authenticate and deliver, in lieu of any such destroyed,
lost or stolen Security, a new Security of the same series and of like tenor and
principal amount and bearing a number not contemporaneously outstanding.

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

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

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

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


SECTION 307.  Payment of Interest; Interest Rights Preserved.

       Except as otherwise provided as contemplated by Section 301 with respect
to any series of Securities, interest on any Security which is payable, and is
punctually paid or duly provided for, on any Interest Payment Date shall be paid
to the Person in whose name that Security (or one or more Predecessor
Securities) is registered at the close of business on the Regular Record Date
for such interest.

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

              (1) The Company may elect to make payment of any Defaulted
       Interest to the Persons in whose names the Securities of such series (or
       their respective Predecessor Securities) are registered at the close of
       business on a Special Record Date for the payment of such Defaulted
       Interest, which shall be fixed in the following manner. The Company shall
       notify the Trustee in writing of the amount of Defaulted Interest
       proposed to be paid on each Security of such series, the date of the
       proposed


                                      -28-




<PAGE>   37


       payment and the Special Record Date, and at the same time the Company
       shall deposit with the Trustee an amount of money equal to the aggregate
       amount proposed to be paid in respect of such Defaulted Interest or shall
       make arrangements satisfactory to the Trustee for such deposit prior to
       the date of the proposed payment, such money when deposited to be held in
       trust for the benefit of the Persons entitled to such Defaulted Interest
       as in this Clause provided. The Special Record Date for the payment of
       such Defaulted Interest 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, 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 given to each Holder of Securities
       of such series in the manner set forth in Section 106, not less than 10
       days prior to such Special Record Date. Notice of the proposed payment of
       such Defaulted Interest and the Special Record Date therefor having been
       so mailed, such Defaulted Interest shall be paid to the Persons in whose
       names the Securities of such series (or their respective Predecessor
       Securities) are registered at the close of business on such Special
       Record Date and shall no longer be payable pursuant to the following
       Clause (2).

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

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


SECTION 308.  Persons Deemed Owners.

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




                                      -29-




<PAGE>   38


SECTION 309.  Cancellation.

       All Securities surrendered for payment, redemption, registration of
transfer or exchange or for credit against any sinking fund payment shall, if
surrendered to any Person other than the Trustee, be delivered to the Trustee
and shall be promptly cancelled 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 cancelled by the Trustee. No Securities shall be
authenticated in lieu of or in exchange for any Securities cancelled as provided
in this Section, except as expressly permitted by this Indenture. All cancelled
Securities held by the Trustee shall be disposed of by the Trustee in accordance
with its customary procedures unless otherwise directed by a Company Order.


SECTION 310.  Computation of Interest.

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


SECTION 311.  CUSIP Numbers.

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


                                  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 (except as to any surviving rights of
registration of transfer or exchange of such series of Securities herein
expressly provided for), and the Trustee, at


                                      -30-




<PAGE>   39


the expense of the Company, shall execute proper instruments acknowledging
satisfaction and discharge of this Indenture as to such series of Securities
when

       (1) either

              (A) all Securities of such series theretofore authenticated and
       delivered (other than (i) Securities which have been destroyed, lost or
       stolen and which have been replaced or paid as provided in Section 306
       and (ii) Securities 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 such Securities of such series not theretofore delivered
       to the Trustee for cancellation

                     (i) have become due and payable, or

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

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

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

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

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

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




                                      -31-




<PAGE>   40


SECTION 402.  Application of Trust Money.

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


                                  ARTICLE FIVE

                                    REMEDIES


SECTION 501.  Events of Default.

       "Event of Default", wherever used herein with respect to Securities of
any series, means any one of the following events (whatever the reason for such
Event of Default and whether it shall be occasioned by the provisions of Article
Fourteen or 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), unless such event is
either inapplicable to that particular series of Securities or has been
specifically deleted or modified in or pursuant to the supplemental indenture or
Board Resolution creating such series of Securities:

              (1) default in the payment of any interest upon any Security of
       that series when it becomes due and payable, and continuance of such
       default for a period of 30 days; or

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

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

              (4) default in the performance, or breach, of any covenant or
       warranty of the Company in this Indenture (other than a covenant or
       warranty a default in whose performance or whose breach is elsewhere in
       this Section specifically dealt with or which has expressly been included
       in this Indenture solely for the benefit of series of Securities other
       than that series), and continuance of such default or breach for a period
       of 90 days after there has been given, by registered or certified mail,
       to the Company by the Trustee or to the Company and the Trustee by the
       Holders of at least 10% 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


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<PAGE>   41


              (5) a default under any bond, debenture, note or other evidence of
       indebtedness for money borrowed by the Company (including a default with
       respect to Securities of any series other than that series) or under any
       mortgage, indenture or instrument (including this Indenture) under which
       there may be issued or by which there may be secured or evidenced any
       indebtedness for money borrowed by the Company, whether such indebtedness
       now exists or shall hereafter be created, which default shall have
       resulted in indebtedness in an amount in excess of U.S. $25,000,000
       becoming 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 30 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 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; provided, however, that, subject to the provisions of Sections
       601 and 602, the Trustee shall not be deemed to have knowledge of such
       default unless either (A) a Responsible Officer of the Trustee shall have
       actual knowledge of such default or (B) the Trustee shall have received
       written notice thereof from the Company, from any Holder, from the holder
       of any such indebtedness or from the trustee under any such mortgage,
       indenture or other instrument; or

              (6) the entry by a court having jurisdiction in the premises of
       (A) a decree or order for relief in respect of the Company in an
       involuntary case or proceeding under any applicable Federal or State
       bankruptcy, insolvency, reorganization or other similar law or (B) a
       decree or order adjudging the Company a bankrupt or insolvent, or
       approving as properly filed a petition seeking reorganization,
       arrangement, adjustment or composition of or in respect of the Company
       under any applicable Federal or State law, or appointing a custodian,
       receiver, liquidator, assignee, trustee, sequestrator or other similar
       official of the Company or of any substantial part of its property, or
       ordering the winding up or liquidation of its affairs, and the
       continuance of any such decree or order for relief or any such other
       decree or order unstayed and in effect for a period of 60 consecutive
       days; or

              (7) the commencement by the Company of a voluntary case or
       proceeding under any applicable Federal or State bankruptcy, insolvency,
       reorganization or other similar law or of any other case or proceeding to
       be adjudicated a bankrupt or insolvent, or the consent by it to the entry
       of a decree or order for relief in respect of the Company in an
       involuntary case or proceeding under any applicable Federal or State
       bankruptcy, insolvency, reorganization or other similar law or to the
       commencement of any bankruptcy or insolvency case or proceeding against
       it, or the filing by it of a petition or answer or consent seeking
       reorganization or relief under any applicable Federal or State law, or
       the consent by it to the filing of such petition or to the appointment of
       or taking possession by a custodian, receiver, liquidator, assignee,
       trustee, sequestrator or other similar official of the Company or of any
       substantial part of its property, or the making by it of an assignment
       for the benefit of creditors, or the admission by it in


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<PAGE>   42


     writing of its inability to pay its debts generally as they become due, or
     the taking of corporate action by the Company in furtherance of any such
     action; or

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


SECTION 502.  Acceleration of Maturity; Rescission and Annulment.

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

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

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

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

               (D) all sums paid or advanced by the Trustee hereunder and the
          reasonable compensation, expenses, disbursements and advances of the
          Trustee, its agents and counsel, and any other amounts due to the
          Trustee under Section 607;



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<PAGE>   43


     and

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

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


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

          The Company covenants that if

          (1) default is made in the payment of any interest on any Security
     when such interest 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, if
     any, on) any Security at the Maturity thereof,

the Company will, upon demand of the Trustee, pay to it, for the benefit of the
Holders of such Securities, the whole amount then due and payable on Securities
of such series for principal and any premium and interest and, to the extent
that payment of such interest shall be legally enforceable, interest on any
overdue principal and premium and on any overdue interest, at the rate or rates
prescribed therefor in such Securities, and, in addition thereto, such further
amount as shall be sufficient to cover the costs and expenses of col lection,
including the reasonable compensation, expenses, disbursements and advances of
the Trustee, its agents and counsel, and any other amounts due to the Trustee
under Section 607.

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


SECTION 504.  Trustee May File Proofs of Claim.

     In case of any judicial proceeding relative to the Company (or any other
obligor upon the Securities), its property or its creditors, the Trustee shall
be entitled and empowered, by intervention in such proceeding or otherwise, to
take any and all actions authorized under the Trust Indenture Act in order to
have claims of the Holders and the Trustee allowed in any such proceeding. In
particular, the Trustee shall be authorized to collect


                                      -35-




<PAGE>   44


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

     No provision of this Indenture shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceeding; provided, however,
that the Trustee may, on behalf of the Holders, vote for the election of a
trustee in bankruptcy or similar official and be a member of a creditors' or
other similar committee.


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

     All rights of action and claims under this Indenture or the Securities may
be prosecuted and enforced by the Trustee without the possession of any of the
Securities or the production thereof in any proceeding relating thereto, and any
such proceeding instituted by the Trustee shall be brought in its own name as
trustee of an express trust, and any recovery of judgment shall, after provision
for the payment of the reasonable compensation, expenses, disbursements and
advances of the Trustee, its agents and counsel, and any other amounts due to
the Trustee under Section 607, be for the ratable benefit of the Holders of the
Securities in respect of which such judgment has been recovered.


SECTION 506.  Application of Money Collected.

     Any money collected by the Trustee pursuant to this Article 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 any premium
or interest, upon presentation of the Securities 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 under Section 607;

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


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<PAGE>   45


          THIRD: Any remaining amounts shall be repaid to the Company.


SECTION 507.  Limitation on Suits.

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

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

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

          (3) such Holder or Holders have offered to the Trustee 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 of such
Holders.


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

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




                                      -37-




<PAGE>   46


SECTION 509.  Restoration of Rights and Remedies.

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


SECTION 510.  Rights and Remedies Cumulative.

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


SECTION 511.  Delay or Omission Not Waiver.

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


SECTION 512.  Control by Holders.

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

          (1) such direction shall not be in conflict with any rule of law or
     with this Indenture or involve the Trustee in personal liability or be
     unjustly prejudicial to the Holders of Securities of such series not taking
     part in such direction, and

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


                                      -38-




<PAGE>   47



SECTION 513.  Waiver of Past Defaults.

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

          (1) in the payment of the principal of or any premium or interest on
     any Security of such series, 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 impair any right consequent thereon.


SECTION 514.  Undertaking for Costs.

     In any suit for the enforcement of any right or remedy under this
Indenture, or in any suit against the Trustee for any action taken, suffered or
omitted by it as Trustee, a court may require any party litigant in such suit to
file an undertaking to pay the costs of such suit, and may assess costs against
any such party litigant, in the manner and to the extent provided in the Trust
Indenture Act; provided that neither this Section nor the Trust Indenture Act
shall be deemed to authorize any court to require such an undertaking or to make
such an assessment in any suit instituted by the Trustee or any Holder or group
of Holders holding in the aggregate more than 10% in principal amount of the
outstanding Securities of a series to which the suit relates or in any suit
initiated by a Holder for the enforcement of the payment of principal of,
premium, if any, or interest on any Securities then due and payable.


SECTION 515.  Waiver of Usury, Stay or Extension Laws.

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


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<PAGE>   48



                                   ARTICLE SIX

                                   THE TRUSTEE


SECTION 601.  Certain Duties and Responsibilities.

     The duties and responsibilities of the Trustee shall be as provided by the
Trust Indenture Act. Notwithstanding the foregoing, no provision of this
Indenture shall require the Trustee to expend or risk its own funds or otherwise
incur any financial liability in the performance of any of its duties hereunder,
or in the exercise of any of its rights or powers, if it shall have reasonable
grounds for believing that repayment of such funds or adequate indemnity against
such risk or liability is not reasonably assured to it. Whether or not therein
expressly so provided, every provision of this Indenture relating to the conduct
or affecting the liability of or affording protection to the Trustee shall be
subject to the provisions of this Section.


SECTION 602.  Notice of Defaults.

     If a default occurs hereunder with respect to Securities of any series, the
Trustee shall give the Holders of Securities of such series notice of such
default as and to the extent provided by the Trust Indenture Act; provided,
however, that in the case of any default of the character specified in Section
501(4) with respect to Securities of such series, no such notice to Holders
shall be given until at least 90 days after the occurrence thereof and provided
further that, except in the case of any defaults of the character specified in
clauses (1), (2) and (3) of Section 501, the Trustee may refrain from giving any
notice of default to the Holders of Securities if the Trustee considers it in
the interest of such Holders to so refrain. For the purpose of this Section, the
term "default" means any event which is, or after notice or lapse of time or
both would become, an Event of Default with respect to Securities of such
series.


SECTION 603.  Certain Rights of Trustee.

     Subject to the provisions of Section 601:

          (1) 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, other evidence of indebtedness or other paper or
     document believed by it to be genuine and to have been signed or presented
     by the proper party or parties;



                                      -40-



<PAGE>   49


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

          (3) 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;

          (4) the Trustee may consult with counsel and the written 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;

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

          (6) the Trustee shall not be bound to make any investigation into the
     facts or matters stated in any resolution, certificate, statement,
     instrument, opinion, report, notice, request, direction, consent, order,
     bond, debenture, note, other evidence of indebtedness or other paper or
     document, but the Trustee, in its discretion, may make such further inquiry
     or investigation into such facts or matters as it may see fit, and, if the
     Trustee shall determine to make such further inquiry or investigation, it
     shall be entitled to examine the books, records and premises of the
     Company, personally or by agent or attorney;

          (7) 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;

          (8) the Trustee shall not be charged with knowledge of any default (as
     defined in Section 602) or Event of Default with respect to the Securities
     of any series unless either (1) a Responsible Officer of the Trustee shall
     have actual knowledge of such default or Event of Default or (2) written
     notice of such default or Event of Default shall have been given to the
     Trustee by the Company or any other obligor on such securities or by any
     Holder of such Securities; and

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




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<PAGE>   50


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

     The recitals contained herein and in the Securities, except the Trustee's
certificates of authentication, shall be taken as the statements of the Company,
and 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. 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 605. May Hold Securities.

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


SECTION 606.  Money Held in Trust.

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


SECTION 607.  Compensation and Reimbursement.

     The Company agrees

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

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

          (3) to indemnify the Trustee for, and to hold it harmless against, any
     loss, liability or expense incurred without negligence or bad faith on its
     part, arising out of or in connection with the acceptance or administration
     of the trust or trusts hereunder,


                                      -42-




<PAGE>   51


     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.


SECTION 608.  Conflicting Interests.

     If the Trustee has or shall acquire a conflicting interest within the
meaning of the Trust Indenture Act, the Trustee shall either eliminate such
interest or resign, to the extent and in the manner provided by, and subject to
the provisions of, the Trust Indenture Act and this Indenture. To the extent
permitted by such Act, the Trustee shall not be deemed to have a conflicting
interest by virtue of being a trustee under this Indenture with respect to
Securities of more than one series.

SECTION 609.  Corporate Trustee Required; Eligibility.

     There shall at all times be one (and only one) Trustee hereunder with
respect to the Securities of each series, which may be Trustee hereunder for
Securities of one or more other series. Each Trustee shall be a Person that is
eligible pursuant to the Trust Indenture Act to act as such, has a combined
capital and surplus of at least $50,000,000 and has its Corporate Trust Office
in The City of New York. If any such Person publishes reports of condition at
least annually, pursuant to law or to the requirements of its supervising or
examining authority, then for the purposes of this Section and to the extent
permitted by the Trust Indenture Act, the combined capital and surplus of such
Person shall be deemed to be its combined capital and surplus as set forth in
its most recent report of condition so published. If at any time the Trustee
with respect to the Securities of any series 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 610.  Resignation and Removal; Appointment of Successor.

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

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

     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.



                                      -43-




<PAGE>   52


     If at any time:

          (1) the Trustee shall fail to comply with Section 608 after written
     request therefor by the Company or by any Holder who has been a bona fide
     Holder of a Security for at least six months, or

          (2) the Trustee shall cease to be eligible under Section 609 and shall
     fail to resign after written request therefor by the Company or by any such
     Holder, or

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

then, in any such case, (A) the Company by a Board Resolution may remove the
Trustee with respect to all Securities, or (B) subject to Section 514, any
Holder who has been a bona fide Holder of a Security for at least six months
may, on behalf of himself and all others similarly situated, petition any court
of competent jurisdiction for the removal of the Trustee with respect to all
Securities and the appointment of a successor Trustee or Trustees.

     If the Trustee shall resign, be removed or become incapable of acting, or
if a vacancy shall occur in the office of Trustee for any cause, with respect to
the Securities of one or more series, the Company, by a Board Resolution, shall
promptly appoint a successor Trustee or Trustees with respect to the Securities
of that or those series (it being understood that any such successor Trustee may
be appointed with respect to the Securities of one or more or all of such series
and that at any time there shall be only one Trustee with respect to the
Securities of any particular series) and shall comply with the applicable
requirements of Section 611. If, within one year after such resignation, removal
or incapability, or the occurrence of such vacancy, a successor Trustee with
respect to the Securities of any series shall be appointed by Act of the Holders
of a majority in principal amount of the Outstanding Securities of such series
delivered to the Company and the retiring Trustee, the successor Trustee so
appointed shall, forthwith upon its acceptance of such appointment in accordance
with the applicable requirements of Section 611, become the successor Trustee
with respect to the Securities of such series and to that extent supersede the
successor Trustee appointed by the Company. If no successor Trustee with respect
to the Securities of any series shall have been so appointed by the Company or
the Holders and accepted appointment in the manner required by Section 611, any
Holder who has been a bona fide Holder of a Security of such series for at least
six months may, on behalf of himself and all others similarly situated, petition
any court of competent juris diction for the appointment of a successor Trustee
with respect to the Securities of such series.

     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 to all Holders of
Securities of such series in the


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<PAGE>   53


manner provided 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 611.  Acceptance of Appointment by Successor.

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

     In case of the appointment hereunder of a successor Trustee with respect to
the Securities of one or more (but not all) series, the Company, the retiring
Trustee and each successor Trustee with respect to the Securities of one or more
series shall execute and deliver an indenture supplemental hereto wherein each
successor Trustee shall accept such appointment and which (1) shall contain such
provisions as shall be necessary or desirable to transfer and confirm to, and to
vest in, each successor Trustee all the rights, powers, trusts and duties of the
retiring Trustee with respect to the Securities of that or those series to which
the appointment of such successor Trustee relates, (2) if the retiring Trustee
is not retiring with respect to all Securities, shall contain such provisions as
shall be deemed necessary or desirable to confirm that all the rights, powers,
trusts and duties of the retiring Trustee with respect to the Securities of that
or those series as to which the retiring Trustee is not retiring shall continue
to be vested in the retiring Trustee, and (3) shall add to or change any of the
provisions of this Indenture as shall be necessary to provide for or facilitate
the administration of the trusts hereunder by more than one Trustee, it being
understood that nothing herein or in such supplemental indenture shall
constitute such Trustees 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.


                                      -45-




<PAGE>   54


     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 the
first or second preceding paragraph, as the case may be.

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

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


SECTION 613.  Preferential Collection of Claims Against Company.

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


SECTION 614.  Appointment of Authenticating Agent.

     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 original issue
and upon exchange, registration of transfer or partial redemption thereof or
pursuant to Section 306, and Securities so authenticated shall be entitled to
the benefits of this Indenture and shall be valid and obligatory for all
purposes as if authenticated by the Trustee hereunder. Wherever reference is
made in this Indenture to the authentication and delivery of Securities by the
Trustee or the Trustee's certificate of authentication, such reference shall be
deemed to include authentication and delivery on behalf of the Trustee by an
Authenticating Agent and a certificate of authentication executed on behalf of
the Trustee by an Authenticating Agent. Each Authenticating Agent shall be
acceptable to the Company and shall at all times be a corporation organized and
doing business under the


                                      -46-




<PAGE>   55


laws of the United States of America, any State thereof or the District of
Columbia, authorized under such laws to act as Authenticating Agent, having a
combined capital and surplus of not less than $50,000,000 and subject to
supervision or examination by Federal or State authority. If such Authenticating
Agent publishes reports of condition at least annually, pursuant to law or to
the requirements of said supervising or examining authority, then for the
purposes of this Section, the combined capital and surplus of such
Authenticating Agent shall be deemed to be its combined capital and surplus as
set forth in its most recent report of condition so published. If at any time an
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, such Authenticating Agent shall resign immediately
in the manner and with the effect specified in this Section.

     Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating Agent
shall be a party, or any corporation succeeding to 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 any further
act on the part of the Trustee or the Authenticating Agent.

     An Authenticating Agent may resign at any time by giving written notice
thereof to the Trustee and to the Company. The Trustee may at any time terminate
the agency of an Authenticating Agent by giving written notice thereof to such
Authenticating Agent and to the Company. Upon receiving such a notice of
resignation or upon such a termination, or in case at any time such
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, the Trustee may appoint a successor Authenticating
Agent which shall be acceptable to the Company and shall give notice of such
appointment in the manner provided in Section 106 to all Holders of Securities
of the series with respect to which such Authenticating Agent will serve. Any
successor Authenticating Agent upon acceptance of its appointment hereunder
shall become vested with all the rights, powers and duties of its predecessor
hereunder, with like effect as if originally named as an Authenticating Agent.
No successor Authenticating Agent shall be appointed unless eligible under the
provisions of this Section.

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

     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 the Trustee's certificate of authentication, an alternative
certificate of authentication in the following form:



                                      -47-



<PAGE>   56


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


                                        THE CHASE MANHATTAN BANK,
                                                      As Trustee



                                        By
                                          ------------------------------------,
                                                       As Authenticating Agent



                                        By
                                          ------------------------------------,
                                                            Authorized Officer



                                  ARTICLE SEVEN

                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY


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

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

          (1) semi-annually, not later than January 1 and July 1 in each year, a
     list, in such form as the Trustee may reasonably require, of the names and
     addresses of the Holders of Securities of each series as of the preceding
     December 15 or June 15, as the case may be, and

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

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

SECTION 702.  Preservation of Information; Communications to Holders.

     The Trustee shall preserve, in as current a form as is reasonably
practicable, the names and addresses of Holders contained in the most recent
list furnished to the Trustee as provided in Section 701 and the names and
addresses of Holders received by the Trustee


                                      -48-




<PAGE>   57


in its capacity as Security Registrar. The Trustee may destroy any list
furnished to it as provided in Section 701 upon receipt of a new list so
furnished.

     The rights of Holders to communicate with other Holders with respect to
their rights under this Indenture or under the Securities, and the corresponding
rights and privileges of the Trustee, shall be as provided by the Trust
Indenture Act.

     Every Holder of Securities, by receiving and holding the same, agrees with
the Company and the Trustee that neither the Company nor the Trustee nor any
agent of either of them shall be held accountable by reason of any disclosure of
information as to names and addresses of Holders made pursuant to the Trust
Indenture Act.


SECTION 703.  Reports by Trustee.

     The Trustee shall transmit to Holders such reports concerning the Trustee
and its actions under this Indenture as may be required pursuant to the Trust
Indenture Act at the times and in the manner provided pursuant thereto.

     A copy of each such report shall, at the time of such transmission to
Holders, be filed by the Trustee with each stock exchange upon which any
Securities are listed, with the Commission and with the Company. The Company
will notify the Trustee when any Securities are listed on any stock exchange.


SECTION 704.  Reports by Company.

     The Company shall file with the Trustee and the Commission, and transmit to
Holders, such information, documents and other reports, and such summaries
thereof, as may be required pursuant to the Trust Indenture Act at the times and
in the manner provided pursuant to such Act; provided that any such information,
documents or reports required to be filed with the Commission pursuant to
Section 13 or 15(d) of the Exchange Act shall be filed with the Trustee within
15 days after the same is so required to be filed with the Commission.


                                  ARTICLE EIGHT

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE


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

        The Company shall not consolidate with or merge into any other Person
or convey, transfer or lease its properties and assets substantially as an
entirety to any Person (other than to one or more Wholly Owned Subsidiaries of
the Company), and the Company shall not permit any Person to consolidate with
or merge  into the Company or


                                      -49-



<PAGE>   58


convey, transfer or lease its properties and assets substantially as an entirety
to the Company, unless:

          (1) in case the Company shall consolidate with or merge into another
     Person or convey, transfer or lease its properties and assets substantially
     as an entirety to any Person, the Person formed by such consolidation or
     into which the Company is merged or the Person which acquires by conveyance
     or transfer, or which leases, the properties and assets of the Company
     substantially as an entirety shall be a corporation, limited liability
     company, partnership or trust, shall be organized and validly existing
     under the laws of the United States of America, any State thereof or the
     District of Columbia and shall expressly assume, by an indenture
     supplemental hereto, executed and delivered to the Trustee, in form
     satisfactory to the Trustee, the due and punctual payment of the principal
     of and any premium and interest on all the Securities and the performance
     or observance of every covenant of this Indenture on the part of the
     Company to be performed or observed;
        
          (2) immediately after giving effect to such transaction and treating
     any indebtedness which becomes an obligation of the Company or any
     Subsidiary as a result of such transaction 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 lapse of time or both, would
     become an Event of Default, shall have happened and be continuing; and

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


SECTION 802.  Successor Substituted.

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


SECTION 803.  Subsidiary Guarantees.

        If the Company conveys, transfers or leases its properties and assets
substantially as an entirety, in one transaction or a series of related
transactions, to one or more Wholly Owned Subsidiaries of the Company, then the
Company shall (a) cause such Wholly Owned Subsidiary or Wholly Owned
Subsidiaries, as the case may be, to execute and deliver to the Trustee a
supplemental indenture, which supplemental indenture shall be in form and
substance reasonably satisfactory to the Trustee, pursuant to which such Wholly
Owned Subsidiary or Wholly Owned Subsidiaries shall unconditionally guarantee
all of the Company's payment obligations under this Indenture and the
Securities on the terms set forth in such supplemental indenture, and which
guarantee shall provide that (i) if one or more of such Wholly Owned
Subsidiaries, in one transaction or a series of related transactions,
thereafter conveys, transfers or leases properties and assets which, if owned
by the Company, would constitute all or substantially all of the properties and
assets of the Company and its Subsidiaries (determined on a consolidated
basis), such conveyance, transfer or lease shall be deemed to be a conveyance,
transfer or lease by the Company of its properties and assets substantially as
an entirety for purposes of Section 801, (ii) such guarantee shall be released
and discharged in full if and when all of the issued and outstanding shares of
Voting Stock of the Wholly Owned Subsidiary are sold, directly or indirectly,
by the Company or another Wholly Owned Subsidiary of the Company to any Person
(other than the Company or another Wholly Owned Subsidiary of the Company)
and (iii) such guarantee shall be subordinate to any guarantee granted by such
subsidiary guarantor in respect to Senior Indebtedness of the Company or
indebtedness of such Wholly Owned Subsidiary which is of the type contemplated
by the definition of Senior Indebtedness, (b) deliver to the Trustee an Opinion
of Counsel reasonably satisfactory to the Trustee that such supplemental
indenture has been duly executed and delivered by each subsidiary guarantor,
and (c) comply, and cause such Wholly Owned Subsidiary to comply, with any
applicable securities laws.




                                      -50-




<PAGE>   59


                                  ARTICLE NINE

                             SUPPLEMENTAL INDENTURES


SECTION 901.  Supplemental Indentures Without Consent of Holders.

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

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

          (2) to add to the covenants of the Company 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 additional Events
     of Default are to be for the benefit of less than all series of Securities,
     stating that such additional Events of Default are expressly being included
     solely for the benefit of such series); or

          (4) to add to or change any of the provisions of this Indenture to
     such extent as shall be necessary to permit or facilitate the issuance of
     Securities in bearer form, registrable or not registrable as to principal,
     and with or without interest coupons, or to permit or facilitate the
     issuance of Securities in uncertificated form; 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 (A) shall neither (i) apply to any
     Security of any series created prior to the execution of such supplemental
     indenture and entitled to the benefit of such provision nor (ii) modify the
     rights of the Holder of any such Security with respect to such provision
     or (B) shall 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 as
     permitted by Sections 201 and 301; or

          (8) to evidence and provide for the acceptance of appointment
     hereunder by a successor Trustee with respect to the Securities of one or
     more series and to add to or


                                      -51-


<PAGE>   60


     change any of the provisions of this Indenture as shall be necessary to
     provide for or facilitate the administration of the trusts hereunder by
     more than one Trustee, pursuant to the requirements of Section 611; 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, provided that such action pursuant
     to this Clause (9) shall not, as evidenced by an Opinion of Counsel,
     adversely affect the interests of the Holders of Securities of any series
     in any material respect.

     Upon Company Request, accompanied by a Board Resolution authorizing the
execution of any such supplemental indenture, and subject to and upon receipt by
the Trustee of the documents described in Section 903 hereof, the Trustee shall
join with the Company in the execution of any supplemental indenture authorized
or permitted by the terms of this Indenture and to make any further appropriate
agreements and stipulations which may be therein contained.


SECTION 902.  Supplemental Indentures With Consent of Holders.

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

          (1) change the Stated Maturity of the principal of, or any instalment
     of principal of or interest on, any Security, or reduce the principal
     amount thereof or the rate of interest thereon or any premium payable upon
     the redemption thereof, or reduce the amount of the principal of an
     Original Issue Discount Security or any other Security which would be due
     and payable upon a declaration of acceleration of the Maturity thereof
     pursuant to Section 502, or adversely affect any right of repayment at the
     option of a Holder of any Security, or reduce the amount of, or postpone
     the date fixed for, the payment of any sinking fund or analogous
     obligation, or change any Place of Payment where, or the coin or currency
     in which, any Security or any premium or interest thereon is payable, or
     impair the right to institute suit for the enforcement of any such payment
     on or after the Stated Maturity thereof (or, in the case of redemption, on
     or after the Redemption Date), or modify the provisions of this Indenture
     with respect to the subordination of the Securities in a manner adverse to
     the Holders, or



                                      -52-



<PAGE>   61


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

          (3) modify any of the provisions of this Section, Section 513 or
     Section 1008, except to increase any such percentage or to provide that
     certain other provisions of this Indenture cannot be modified or waived
     without the consent of the Holder of each Out standing Security affected
     thereby; provided, however, that this clause shall not be deemed to require
     the consent of any Holder with respect to changes in the references to "the
     Trustee" and concomitant changes in this Section and Section 1008, or the
     deletion of this proviso, in accordance with the requirements of Sections
     611 and 901(8).

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

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


SECTION 903.  Execution of Supplemental Indentures.

     In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture, the Trustee shall be entitled to receive,
and (subject to Section 601) shall be fully protected in relying upon, in
addition to the documents required by Section 102, an Opinion of Counsel stating
that the execution of such supplemental indenture is authorized or permitted by
this Indenture. The Trustee may, but shall not be obligated to, enter into any
such supplemental indenture which affects the Trustee's own rights, duties or
immunities under this Indenture or otherwise.


SECTION 904.  Effect of Supplemental Indentures.

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




                                      -53-



<PAGE>   62


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.


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


                                   ARTICLE TEN

                                    COVENANTS


SECTION 1001.  Payment of Principal, Premium and Interest.

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


SECTION 1002.  Maintenance of Office or Agency.

     The Company will maintain in 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, where Securities of that series may be surrendered
for registration of transfer or exchange and where notices and demands to or
upon the Company in respect of the Securities of that series and this Indenture
may be served. The Company will give prompt written notice to the Trustee of the
location, and any change in the location, of such office or agency. If at any
time the Company shall fail to maintain any such required office or agency or
shall fail to furnish the Trustee with the address thereof, such presentations,
sur renders, notices and demands may be made or served at the Corporate Trust
Office of the Trustee, and the Company hereby appoints the Trustee as its agent
to receive all such presentations, surrenders, notices and demands.

     The Company may also from time to time designate one or more other offices
or agencies where the Securities of one or more series may be presented or
surrendered for any or all such purposes and may from time to time rescind such
designations; provided,


                                      -54-



<PAGE>   63


however, that no such designation or rescission shall in any manner relieve the
Company of its obligation to maintain an office or agency in each Place of
Payment for Securities of any series for such purposes. The Company will give
prompt written notice to the Trustee of any such designation or rescission and
of any change in the location of any such other office or agency.


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

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

     Whenever the Company shall have one or more Paying Agents for any series of
Securities, it will, prior to each due date of the principal of or any premium
or interest on any Securities of that series, deposit with a Paying Agent a sum
sufficient to pay such amount, such sum to be held as provided by the Trust
Indenture Act, 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 for any series of Securities other
than the Trustee to execute and deliver to the Trustee an instrument in which
such Paying Agent shall agree with the Trustee, subject to the provisions of
this Section, that such Paying Agent will (1) comply with the provisions of the
Trust Indenture Act applicable to it as a Paying Agent and (2) during the
continuance of any default by the Company (or any other obligor upon the
Securities of that series) in the making of any payment in respect of the
Securities of that series, or any Event of Default, upon the written request of
the Trustee, forthwith pay to the Trustee all sums held in trust by such Paying
Agent for payment in respect of the Securities of that series.

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

     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 or any premium or
interest on any Security of any series and remaining unclaimed for two years
after such principal, premium or interest has become due and payable shall be
paid to the Company on


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<PAGE>   64


Company Request, or (if then held by the Company) shall be discharged from such
trust; and the Holder of such Security shall thereafter, as an unsecured general
creditor, look only to the Company for payment thereof, and all liability of the
Trustee or such Paying Agent with respect to such trust money, and all liability
of the Company as trustee thereof, shall thereupon cease; provided, however,
that the Trustee or such Paying Agent, before being required to make any such
repayment, may at the expense of the Company cause to be published once, in a
newspaper published in the English language, customarily published on each
Business Day and of general circulation in the Borough of Manhattan, The City of
New York, notice that such money remains unclaimed and that, after a date
specified therein, which shall not be less than 30 days from the date of such
publication, any unclaimed balance of such money then remaining will be repaid
to the Company.


SECTION 1004.  Statement by Officers as to Default.

     The Company will deliver to the Trustee, within 120 days after the end of
each fiscal year of the Company ending after the date hereof, an Officers'
Certificate, stating whether or not to the best knowledge of the signers thereof
the Company is in default in the performance and observance of any of the terms,
provisions and conditions of this Indenture (without regard to any period of
grace or requirement of notice provided hereunder) and, if the Company shall be
in default, specifying all such defaults and the nature and status thereof of
which they may have knowledge.


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 its existence,
rights (charter and statutory) and franchises; provided, however, that the
Company shall not be required to preserve any such right or franchise if the
Board of Directors shall determine that the preservation thereof is no longer
desirable in the conduct of the business of the Company and that the loss
thereof is not disadvantageous in any material respect to the Holders.


SECTION 1006.  Maintenance of Properties.

     The Company will cause all 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 from discontinuing the
operation or maintenance of any of such properties if such discontinuance is, in
the judgment of the Company, desirable in the conduct of its business or the
business of any Subsidiary and not disadvantageous in any material respect to
the Holders.


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<PAGE>   65

SECTION 1007.  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 the Company 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 1008.  Waiver of Certain Covenants.

     Except as otherwise specified as contemplated by Section 301 for Securities
of such series, the Company may, with respect to the Securities of any series,
omit in any particular instance to comply with any term, provision or condition
set forth in any covenant provided pursuant to Section 301(18), 901(2) or 901(7)
for the benefit of the Holders of such series or in any of Sections 1006 and
1007, if before the time for such compliance the Holders of at least a majority
in principal amount of the Outstanding Securities of such series shall, by Act
of such Holders, either waive such compliance in such instance or generally
waive compliance with such term, provision or condition, but no such waiver
shall extend to or affect such term, provision or condition except to the extent
so expressly waived, and, until such waiver shall become effective, the
obligations of the Company and the duties of the Trustee in respect of any such
term, provision or condition shall remain in full force and effect.


                                 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 such Securities) 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
a Board Resolution or in another manner specified as contemplated by Section 301
for such


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<PAGE>   66


Securities. In case of any redemption at the election of the Company of less
than all the Securities of any series (including any such redemption affecting
only a single Security), the Company shall, at least 60 days prior to the
Redemption Date fixed by the Company (unless a shorter notice shall be
satisfactory to the Trustee), notify the Trustee of such Redemption Date, of the
principal amount of Securities of such series to be redeemed and, if applicable,
of the tenor of the Securities 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 are to be redeemed (unless
all the Securities of such series and of a specified tenor are to be redeemed or
unless such redemption affects only a single Security), 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
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 a
portion of the principal amount of any Security of such series, provided that
the unredeemed portion of the principal amount of any Security shall be in an
authorized denomination (which shall not be less than the minimum authorized
denomination) for such Security. If less than all the Securities of such series
and of a specified tenor are to be redeemed (unless such redemption affects only
a single Security), 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 and specified tenor not previously called
for redemption in accordance with the preceding sentence.

     The Trustee shall promptly notify the Company in writing of the Securities
selected for redemption as aforesaid and, in case of any Securities selected for
partial redemption as aforesaid, the principal amount thereof to be redeemed.

     The provisions of the two preceding paragraphs shall not apply with respect
to any redemption affecting only a single Security, whether such Security is to
be redeemed in whole or in part. In the case of any such redemption in part, the
unredeemed portion of the principal amount of the Security shall be in an
authorized denomination (which shall not be less than the minimum authorized
denomination) for such Security.

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




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<PAGE>   67


SECTION 1104.  Notice of Redemption.

     Notice of redemption shall be given by first-class mail, postage prepaid,
mailed not less than 30 nor more than 60 days prior to the Redemption Date, to
each Holder of Securities to be redeemed, at his address appearing in the
Security Register.

     All notices of redemption shall state:

          (1) the Redemption Date,

          (2) the Redemption Price,

          (3) if less than all the Outstanding Securities of any series
     consisting of more than a single Security are to be redeemed, the
     identification (and, in the case of partial redemption of any such
     Securities, the principal amounts) of the particular Securities to be
     redeemed and, if less than all the Outstanding Securities of any series
     consisting of a single Security are to be redeemed, the principal amount of
     the particular Security to be redeemed,

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

          (5) the place or places where each such Security is to be surrendered
     for payment of the Redemption Price, and

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

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


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, segregate and hold in trust as provided in Section 1003) an amount of
money sufficient to pay the Redemption Price of, and (except if the Redemption
Date shall be an Interest Payment Date) accrued interest on, all the Securities
which are to be redeemed on that date.


SECTION 1106.  Securities Payable on Redemption Date.

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


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<PAGE>   68


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

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


SECTION 1107.  Securities Redeemed in Part.

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


                                 ARTICLE TWELVE

                                  SINKING FUNDS


SECTION 1201.  Applicability of Article.

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

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


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<PAGE>   69



SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities.

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


SECTION 1203.  Redemption of Securities for Sinking Fund.

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


                                ARTICLE THIRTEEN

                       DEFEASANCE AND COVENANT DEFEASANCE


SECTION 1301.  Company's Option to Effect Defeasance or Covenant Defeasance.

     The Company may elect, at its option at any time, to have Section 1302 or
Section 1303 applied to any Securities or any series of Securities, as the case
may be (unless such Securities or any series of Securities, as the case may be,
are designated pursuant to Section 301 as not being defeasible pursuant to such
Section 1302 or 1303, in accordance with any applicable requirements provided
pursuant to Section 301), upon compliance with the conditions set forth below
in this Article. Any such election shall be


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<PAGE>   70


evidenced by a Board Resolution or in another manner specified as contemplated
by Section 301 for such Securities.


SECTION 1302.  Defeasance and Discharge.

     Upon the Company's exercise of its option (if any) to have this Section
applied to any Securities or any series of Securities, as the case may be, the
Company shall be deemed to have been discharged from its obligations, and the
provisions of Article Fourteen shall cease to be effective, with respect to such
Securities as provided in this Section on and after the date the conditions set
forth in Section 1304 are satisfied (hereinafter called "Defeasance"). For this
purpose, such Defeasance means that the Company shall be deemed to have paid and
discharged the entire indebtedness represented by such Securities and to have
satisfied all its other obligations under such Securities and this Indenture
insofar as such Securities are concerned (and the Trustee, at the expense of the
Company, shall execute proper instruments acknowledging the same), subject to
the following which shall survive until otherwise terminated or discharged
hereunder: (1) the rights of Holders of such Securities to receive, solely from
the trust fund described in Section 1304 and as more fully set forth in such
Section, payments in respect of the principal of and any premium and interest on
such Securities when payments are due, (2) the Company's obligations with
respect to such Securities under Sections 304, 305, 306, 1002 and 1003, (3) the
rights, powers, trusts, duties and immunities of the Trustee hereunder and (4)
this Article. Subject to compliance with this Article, the Company may exercise
its option (if any) to have this Section applied to any Securities
notwithstanding the prior exercise of its option (if any) to have Section 1303
applied to such Securities.


SECTION 1303.  Covenant Defeasance.

     Upon the Company's exercise of its option (if any) to have this Section
applied to any Securities or any series of Securities, as the case may be, (1)
the Company shall be released from its obligations under Section 801(3),
Sections 1006 and 1007, covenants provided pursuant to Section 301(18), 901(2)
or 901(7) for the benefit of the Holders of such Securities, (2) the occurrence
of any event specified in Sections 501(4) (with respect to any of Section
801(3), Sections 1006 and 1007, and any such covenants provided pursuant to
Section 301(18), 901(2) or 901(7)), 501(5) and 501(8) shall be deemed not to be
or result in an Event of Default and (3) the provisions of Article Fourteen
shall cease to be effective, in each case with respect to such Securities as
provided in this Section on and after the date the conditions set forth in
Section 1304 are satisfied (hereinafter called "Covenant Defeasance"). For this
purpose, such Covenant Defeasance means that, with respect to such Securities,
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 specified Section (to
the extent so specified in the case of Section 501(4)) or Article Fourteen,
whether directly or indirectly by reason of any reference elsewhere herein to
any such Section or Article or by reason of any reference in any such Section or
Article to any other


                                      -62-


<PAGE>   71


provision herein or in any other document, but the remainder of this Indenture
and such Securities shall be unaffected thereby.


SECTION 1304.  Conditions to Defeasance or Covenant Defeasance.

     The following shall be the conditions to the application of Section 1302 or
Section 1303 to any Securities or any series of Securities, as the case may be:

          (1) The Company shall irrevocably have deposited or caused to be
     deposited with the Trustee (or another trustee which satisfies the
     requirements contemplated by Section 609 and agrees to comply with the
     provisions of this Article 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 benefits of the Holders of such
     Securities, (A) money in an amount, or (B) U.S. Government Obligations
     which through the scheduled payment of principal and interest in respect
     thereof in accordance with their terms will provide, not later than one day
     before the due date of any payment, money in an amount, or (C) a
     combination thereof, in each case sufficient, in the opinion of a
     nationally recognized firm of independent public accountants expressed in a
     written certification thereof delivered to the Trustee, to pay and
     discharge, and which shall be applied by the Trustee (or any such other
     qualifying trustee) to pay and discharge, the principal of and any premium
     and interest on such Securities on the respective Stated Maturities, in
     accordance with the terms of this Indenture and such Securities. As used
     herein, "U.S. Government Obligation" means (x) any security which is (i) a
     direct obligation of the United States of America for the payment of which
     the full faith and credit of the United States of America is pledged or
     (ii) an obligation of a Person controlled or supervised by and acting as an
     agency or instrumentality of the United States of America the payment of
     which is unconditionally guaranteed as a full faith and credit obligation
     by the United States of America, which, in either case (i) or (ii), is not
     callable or redeemable at the option of the issuer thereof, and (y) any
     depositary receipt issued by a bank (as defined in Section 3(a)(2) of the
     Securities Act) as custodian with respect to any U.S. Government Obligation
     which is specified in Clause (x) above and held by such bank for the
     account of the holder of such depositary receipt, or with respect to any
     specific payment of principal of or interest on any U.S. Government
     Obligation which is so specified and held, 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 depositary receipt from any
     amount received by the custodian in respect of the U.S. Government
     Obligation or the specific payment of principal or interest evidenced by
     such depositary receipt.

          (2) In the event of an election to have Section 1302 apply to any
     Securities or any series of Securities, as the case may be, the Company
     shall have delivered to the Trustee an Opinion of Counsel stating that (A)
     the Company has received from, or there has been published by, the Internal
     Revenue Service a ruling or (B) since the date of this instrument, there
     has been a change in the applicable Federal income tax law, in either case
     (A) or (B) to the effect that, and based thereon such opinion shall confirm
     that, the


                                      -63-


<PAGE>   72


     Holders of such Securities will not recognize gain or loss for Federal
     income tax purposes as a result of the deposit, Defeasance and discharge to
     be effected with respect to such Securities and will be subject to Federal
     income tax on the same amounts, in the same manner and at the same times as
     would be the case if such deposit, Defeasance and discharge were not to
     occur.

          (3) In the event of an election to have Section 1303 apply to any
     Securities or any series of Securities, as the case may be, the Company
     shall have delivered to the Trustee an Opinion of Counsel to the effect
     that the Holders of such Securities will not recognize gain or loss for
     Federal income tax purposes as a result of the deposit and Covenant
     Defeasance to be effected with respect to such Securities and will be
     subject to Federal income tax on the same amounts, in the same manner and
     at the same times as would be the case if such deposit and Covenant
     Defeasance were not to occur.

          (4) The Company shall have delivered to the Trustee an Officer's
     Certificate to the effect that neither such Securities nor any other
     Securities of the same series, if then listed on any securities exchange,
     will be delisted as a result of such deposit.

          (5) No event which is, or after notice or lapse of time or both would
     become, an Event of Default with respect to such Securities or any other
     Securities shall have occurred and be continuing at the time of such
     deposit or, with regard to any such event specified in Sections 501(6) and
     (7), at any time on or prior to the 90th day after the date of such deposit
     (it being understood that this condition shall not be deemed satisfied
     until after such 90th day).

          (6) Such Defeasance or Covenant Defeasance shall not cause the Trustee
     to have a conflicting interest within the meaning of the Trust Indenture
     Act (assuming all Securities are in default within the meaning of such
     Act).

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

          (8) Such Defeasance or Covenant Defeasance shall not result in the
     trust arising from such deposit constituting an investment company within
     the meaning of the Investment Company Act unless such trust shall be
     registered under such Act or exempt from registration thereunder.

          (9) At the time of such deposit, (A) no default in the payment of any
     principal of or premium or interest on any Senior Indebtedness shall have
     occurred and be continuing, (B) no event of default with respect to any
     Senior Indebtedness shall have resulted in such Senior Indebtedness
     becoming, and continuing to be, due and payable prior to the date on which
     it would otherwise have become due and payable (unless payment of such
     Senior Indebtedness has been made or duly provided for), (C) no other
     event of default with respect to any Senior Indebtedness shall have
     occurred and be continuing permitting (after notice or lapse of time or
     both) the holders of such


                                      -64-

<PAGE>   73


     Senior Indebtedness (or a trustee on behalf of such holders) to declare
     such Senior Indebtedness due and payable prior to the date on which it
     would otherwise have become due and payable and (D) no event of default
     would result from the making of such deposit.

          (10) The Company shall have delivered to the Trustee an Officer's
     Certificate and an Opinion of Counsel, each stating that all conditions
     precedent with respect to such Defeasance or Covenant Defeasance have been
     complied with.


SECTION 1305.  Deposited Money and U.S. Government Obligations to be Held in 
     Trust; Miscellaneous Provisions.

     Subject to the provisions of the last paragraph of Section 1003, all money
and U.S. Government Obligations (including the proceeds thereof) deposited with
the Trustee or other qualifying trustee (solely for purposes of this Section and
Section 1306, the Trustee and any such other trustee are referred to
collectively as the "Trustee") pursuant to Section 1304 in respect of any
Securities shall be held in trust and applied by the Trustee, in accordance with
the provisions of such Securities and this Indenture, to the payment, either
directly or through any such Paying Agent (including the Company acting as its
own Paying Agent) as the Trustee may determine, to the Holders of such
Securities, of all sums due and to become due thereon in respect of principal
and any premium and interest, but money so held in trust need not be segregated
from other funds except to the extent required by law. Money and U.S. Government
Obligations so held in trust shall not be subject to the provisions of Article
Fourteen.

     The Company shall pay and indemnify the Trustee against any tax, fee or
other charge imposed on or assessed against the U.S. Government Obligations
deposited pursuant to Section 1304 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 Outstanding Securities.

     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 U.S. Government Obligations held by it as provided in Section 1304 with
respect to any Securities 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 the Defeasance or Covenant Defeasance, as
the case may be, with respect to such Securities.


SECTION 1306.  Reinstatement.

     If the Trustee or the Paying Agent is unable to apply any money in
accordance with this Article with respect to any Securities by reason of any
order or judgment of any court or governmental authority enjoining, restraining
or otherwise prohibiting such application, then the obligations under this
Indenture and such Securities from which the Company has


                                      -65-

<PAGE>   74

been discharged or released pursuant to Section 1302 or 1303 shall be revived
and reinstated as though no deposit had occurred pursuant to this Article with
respect to such Securities, until such time as the Trustee or Paying Agent is
permitted to apply all money held in trust pursuant to Section 1305 with respect
to such Securities in accordance with this Article; provided, however, that if
the Company makes any payment of principal of or any premium or interest on any
such Security following such reinstatement of its obligations, the Company shall
be subrogated to the rights (if any) of the Holders of such Securities to
receive such payment from the money so held in trust.



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<PAGE>   75


                                ARTICLE FOURTEEN

                           SUBORDINATION OF SECURITIES


SECTION 1401.  Securities Subordinated to Senior Indebtedness.

     The Company covenants and agrees, and each Holder of a Security, by his
acceptance thereof, likewise covenants and agrees, that, to the extent and in
the manner hereinafter set forth in this Article, the indebtedness represented
by the Securities and the payment of the principal of (and premium, if any) and
interest on each and all of the Securities are hereby expressly subordinated and
subject in right of payment to the prior payment in full of all Senior
Indebtedness.

SECTION 1402.  No Payments in Certain Circumstances; Payment Over of Proceeds 
     Upon Dissolution, Etc.

     No payment on account of principal of, premium, if any, or interest on, or
redemption, repurchase or defeasance of, the Securities shall be made if, at 
the time of such payment or immediately after giving effect thereto: (i) there 
shall exist a default in the payment of principal of, premium, if any, sinking 
funds or interest (including a default under any purchase or redemption 
obligations) with respect to any Senior Indebtedness, or (ii) there shall have 
occurred an event of default (other than a default in the payment of principal,
premium, if any, sinking funds or interest) with respect to any Senior 
Indebtedness, as defined therein or in the instrument under which the same is 
outstanding, permitting the holders thereof to accelerate the maturity thereof 
and written notice of such occurrence shall have been given to the Company and 
to the Trustee under this Indenture by the holder or holders of such Senior 
Indebtedness and such event of default shall not have been cured or waived or 
shall not have ceased to exist. Notwithstanding the foregoing, the Company may 
make, and the Trustee may receive and shall apply, any payment in respect of 
the Securities (for principal, premium, if any, or interest or repurchase) if 
such payment was made prior to the occurrence of any of the contingencies 
specified in clauses (i) and (ii) above. In addition, nothing in this paragraph
shall prevent the Company from making, or the Trustee from receiving or 
applying, any payment in connection with the redemption of Securities if the 
first publication of notice of such redemption (whether by mail or otherwise 
in accordance with this Indenture) has been made prior to the occurrence of any
of the contingencies specified in clauses (i) and (ii) above.

     Upon (i) any acceleration of the principal amount due on the Securities or
(ii) any payment or distribution of assets of the Company of any kind or
character, whether in cash, property or securities, to creditors upon any
dissolution or winding up or total or partial liquidation or reorganization of
the Company, whether voluntary or involuntary or in bankruptcy, insolvency,
receivership or other proceedings, all principal of, premium, if any, sinking
fund and interest due or to become due upon all Senior Indebtedness (including
(i) interest thereon accruing after the commencement of any such proceedings
whether or not a claim is allowed under applicable bankruptcy laws and (ii) fees
and other amounts payable pursuant to the terms of such Senior Indebtedness)
shall first be paid in full, or payment thereof provided for in money or money's
worth in


                                      -67-

<PAGE>   76


accordance with its terms, before any payment is made on account of the
principal of, premium, if any, or interest on, or repurchase of, the
indebtedness evidenced by the Securities, and upon any such dissolution or
winding up or liquidation or reorganization any payment or distribution of
assets of the Company of any kind or character, whether in cash, property or
securities, to which the Holders of the Securities or the Trustee under this
Indenture would be entitled, except for the provisions hereof, shall be paid by
the Company or by any receiver, trustee in bankruptcy, liquidating trustee,
agent or other Person making such payment or distribution, or by the Holders of
the Securities or by the Trustee under this Indenture if received by them or it,
as the case may be, directly to the holders of Senior Indebtedness (pro rata to
each such holder on the basis of the respective amounts of Senior Indebtedness
held by such holder) or their representatives, to the extent necessary to pay
all Senior Indebtedness in full, in money or money's worth, after giving effect
to any concurrent payment or distribution to or for the holders of Senior
Indebtedness, before any payment or distribution is made to the Holders of the
Securities or to the Trustee under this Indenture and (ii) fees and other
amounts payable pursuant to the terms of such Senior Indebtedness.

     In the event that, contrary to the foregoing, any payment or distribution
of assets of the Company of any kind or character, whether in cash, property or
securities, shall be received by the Trustee or the Holders of the Securities
before all Senior Indebtedness is paid in full or provision made for such
payment, in accordance with its terms, such payment or distribution shall be
held in trust for the benefit of, and shall be paid over or delivered to, the
holders of such Senior Indebtedness or their representative or representatives,
or to the trustee or trustees under any indenture pursuant to which any
instruments evidencing any of such Senior Indebtedness have been issued, as
their respective interests may appear, for application to the payment of all
Senior Indebtedness remaining unpaid to the extent necessary to pay all such
Senior Indebtedness in full in accordance with its terms, after giving effect to
any concurrent payment or distribution to or for the holders of such Senior
Indebtedness.

     Subject to final payment in full of all Senior Indebtedness, the Holders of
the Securities (together with the holders of any other indebtedness of the
Company which is subordinated in right of payment to the payment in full of all
Senior Indebtedness, which is not subordinated in right of payment to the
Securities and which by its terms grants such right of subrogation to the
holders thereof) shall be subrogated to the rights of the holders of Senior
Indebtedness to receive payments or distributions of assets of the Company made
on the Senior Indebtedness until the principal of, premium, if any, and interest
on, or repurchase of, the Securities shall be paid in full; and, for the
purposes of such subrogation, no payments or distributions to the holders of
Senior Indebtedness of any cash, property or securities to which the Holders of
the Securities or the Trustee would be entitled except for the provisions of
this Article, and no payment over pursuant to the provisions of this Article to
the holders of Senior Indebtedness by the Holders of the Securities or the
Trustee, shall, as between the Company, its creditors other than the holders of
Senior Indebtedness, and the Holders of Securities, be deemed to be a payment by
the Company to the holders of or on account of Senior Indebtedness it being
understood that the provisions of this Article are and are intended solely for
the purpose of defining


                                      -68-

<PAGE>   77


the relative rights of the Holders of the Securities, on the one hand, and the
holders of Senior Indebtedness, on the other hand.

SECTION 1403. Notice to Trustee of Specified Events; Reliance on Certificate of
              Liquidating Agent.

     The Company shall give prompt written notice to the Trustee of any
insolvency or bankruptcy proceeding in respect of the Company, of any
proceedings for voluntary liquidation, dissolution or other winding up of the
Company (whether or not involving insolvency or bankruptcy), of the declaration
of any Security as due and payable before its expressed maturity, and of any
event which pursuant to Section 1402 would prevent payment by the Company on
account of the principal, premium, if any, or interest on, or repurchase,
redemption or defeasance of, the Securities. The Trustee, subject to the
provisions of Section 601, shall be entitled to assume that no such event has
occurred unless the Company, or a holder of Senior Indebtedness, or any trustee
therefor, has given such notice.

     Upon any distribution of assets of the Company or payment by or on behalf
of the Company referred to in this Article, the Trustee and the Holders of the
Securities shall be entitled to rely upon any order or decree of a court of
competent jurisdiction in which any proceedings of the nature referred to in
Section 1402 are pending, and the Trustee, subject to the provisions of Section
601, and the Holders of the Securities shall be entitled to rely upon a
certificate of the liquidating trustee or agent or other Person making any
distribution to the Trustee or to the Holders of the Securities for the purpose
of ascertaining the Persons entitled to participate in such distribution, the
holders of the Senior Indebtedness and other indebtedness of the Company, the
amount thereof or payable thereon, the amount or amounts paid or distributed
thereon and all other facts pertinent thereto or to this Article. In the event
that the Trustee determines, in good faith, that further evidence is required
with respect to the right of any Person as a holder of Senior Indebtedness to
participate in any payment or distribution pursuant to this Article, the Trustee
may request such Person to furnish evidence to the reasonable satisfaction of
the Trustee as to the amount of Senior Indebtedness held by such Person, as to
the extent to which such Person is entitled to participate in such payment or
distribution, and as to other facts pertinent to the rights of such Person under
this Article, and if such evidence is not furnished, the Trustee may defer any
payment to such Person pending judicial determination as to the right of such
Person to receive such payment.

SECTION 1404. Trustee to Effectuate Subordination.

     The Holder of each Security by his acceptance thereof authorizes and
directs the Trustee in his behalf to take such action as may be necessary or
appropriate to acknowledge or effectuate the subordination as provided in this
Article and appoints the Trustee as attorney-in-fact for any and all such
purposes.



                                      -69-

<PAGE>   78


SECTION 1405. Trustee Not Charged with Knowledge of Prohibition.

     Notwithstanding the provisions of this Article or any other provision of
this Indenture, but subject to the provisions of Section 601 as between the
Holders of Securities and the Trustee, neither the Trustee nor any Paying Agent
shall be charged with knowledge of any facts which would prohibit the making of
any payment of moneys to or by the Trustee or any such Paying Agent, unless and
until the Trustee or such Paying Agent shall have received written notice
thereof at its Corporate Trust Office from the Company or any holder of Senior
Indebtedness or the trustee or representative of any holder of such Senior
Indebtedness on his behalf; and, prior to the receipt of any such written
notice, the Trustee and any such Paying Agent shall be entitled to assume that
no such facts exist. If the Trustee or Paying Agent, as the case may be, shall
not have received, at least three Business Days prior to the date upon which by
the terms hereof any such moneys may become payable for any purpose (including,
without limitation, the payment of the principal of, premium, if any, or the
interest on any Security) with respect to such moneys, the notice provided for
in this Section, then, anything herein contained to the contrary
notwithstanding, the Trustee and such Paying Agent, as the case may be, shall
have full power and authority to receive such moneys and to apply the same to
the purpose for which they were received and shall not be affected by any notice
to the contrary which may be received by it within three Business Days prior to
such date.

SECTION 1406. Trustee Not Fiduciary for Holders of Senior Indebtedness.

     The Trustee shall not be deemed to owe any fiduciary duty to the holders of
Senior Indebtedness and shall not be liable to any such holders if it shall in
good faith mistakenly pay over or distribute to Holders of Securities or to the
Company or to any other Person cash, property or securities to which any holders
of Senior Indebtedness shall be entitled by virtue of this Article or otherwise.

     With respect to the holders of Senior Indebtedness, the Trustee undertakes
to perform or to observe only such of its covenants or obligations as are
specifically set forth in this Article and no implied covenants or obligations
with respect to holders of Senior Indebtedness shall be read into this Indenture
against the Trustee.

SECTION 1407. Rights of Trustee as Holder of Senior Indebtedness; Preservation
of Trustee's Rights.

     The Trustee in its individual capacity shall be entitled to all the rights
set forth in this Article with respect to any Senior Indebtedness which may at
any time be held by it, to the same extent as any other holder of Senior
Indebtedness, and nothing in this Indenture shall deprive the Trustee of any of
its rights as such holder.

     Nothing in this Article shall apply to claims of, or payments to, the
Trustee under or pursuant to Section 607.


                                      -70-

<PAGE>   79


SECTION 1408. Article Applicable to Paying Agents.

     In case at any time any Paying Agent other than the Trustee shall have been
appointed by the Company and be then acting hereunder, the term "Trustee" as
used in this Article shall in such case (unless the context otherwise requires)
be construed as extending to and including such Paying Agent within its meaning
as fully for all intents and purposes as if such Paying Agent were named in this
Article in addition to or in place of the Trustee; provided, however, that
Sections 1405, 1406 and 1407 shall not apply to the Company or any Affiliate of
the Company if it or such Affiliate acts as Paying Agent.

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


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


                                      -71-

<PAGE>   80




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


                                     STAPLES, INC.

                                     By
                                        ---------------------------------------


[Seal]


Attest:


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



                                     THE CHASE MANHATTAN BANK

                                     By
                                        ---------------------------------------


[Seal]


Attest:


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





                                      -72-

<PAGE>   81

COMMONWEALTH OF MASSACHUSETTS      )
                                   )  ss.:
COUNTY OF ____________             )


     On the ___ day of ____________, 1997, before me personally came
_________________________, to me known, who, being by me duly sworn, did depose
and say that he/she is ___________________________ of Staples, Inc., one of the
corporations described in and which executed the foregoing instrument; that
he/she knows the seal of said corporation; that the seal affixed to said
instrument is such corporate seal; that it was so affixed by authority of the
Board of Directors of said corporation; and that he/she signed his/her name
thereto by like authority.



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


STATE OF NEW YORK                  )
                                   )  ss.:
COUNTY OF NEW YORK                 )


     On the ___ day of ____________, 1997, before me personally came
_________________________, to me known, who, being by me duly sworn, did depose
and say that he/she is a Trust Officer of The Chase Manhattan Bank, one of the
corporations described in and which executed the foregoing instrument; that
he/she knows the seal of said corporation; that the seal affixed to said
instrument is such corporate seal; that it was so affixed by authority of the
Board of Directors of said corporation; and that he/she signed his/her name
thereto by like authority.



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







<PAGE>   1
STAPLES, INC. AND SUBSIDIARIES
EXHIBIT 12.1
STATEMENT RE: COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

<TABLE>
<CAPTION>
                                                           
                                                                FISCAL YEAR ENDED                          3 MONTHS ENDED
                                                1/30/93    1/29/94    1/28/95     2/3/96      2/1/97           5/3/97

<S>                                             <C>        <C>       <C>         <C>         <C>           <C>
Consolidated pre-tax income prior to            
  extraordinary items                           $31,218    $32,352    $63,905    $119,845    $173,041         $13,781

Interest portion of rental expense               13,058     16,529     23,569      31,538      40,815          12,158

Net interest expense, including amortization    
  of deferred issuance costs                      5,092      7,093     11,037      31,353      53,458           6,167

Less: interest capitalized                                                                       (611)           (314)
                                                -----------------------------------------------------         -------
     Earnings                                   $49,368    $55,974    $98,511    $182,736    $266,703         $31,792
                                                =====================================================         =======
Interest portion of rental expense              $13,058    $16,529    $23,569    $ 31,538    $ 40,815         $12,158

Net interest expense, including amortization
  of deferred issuance costs                      5,092      7,093     11,037      31,353      53,458           6,167
                                                -----------------------------------------------------         -------
     Fixed Charges                              $18,150    $23,622    $34,606    $ 62,891    $ 94,273         $18,325
                                                =====================================================         =======
     Ratio of Earnings to Fixed Charges            2.72       2.37       2.85        2.91        2.83            1.73
                                                =====================================================         =======


</TABLE>






















<PAGE>   1
 
                                                                    EXHIBIT 23.1
 
               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
 
We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-3) and related Prospectus of Staples, Inc. for
the registration of $500,000,000 of debt securities and to the incorporation by
reference therein of our report dated March 3, 1997, with respect to the
consolidated financial statements of Staples, Inc. included in its Annual Report
(Form 10-K) for the year ended February 1, 1997, filed with the Securities and
Exchange Commission.
 
July 11, 1997
 
ERNST & YOUNG LLP
Boston, Massachusetts

<PAGE>   1
    -----------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549

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

                                    FORM T-1

                            STATEMENT OF ELIGIBILITY
                    UNDER THE TRUST INDENTURE ACT OF 1939 OF
                   A CORPORATION DESIGNATED TO ACT AS TRUSTEE

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

               CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF
                A TRUSTEE PURSUANT TO SECTION 305(b)(2) ________

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

                            THE CHASE MANHATTAN BANK
               (Exact name of trustee as specified in its charter)


NEW YORK                                                             13-4994650
(State of incorporation                                        (I.R.S. employer
if not a national bank)                                     identification No.)
                                                           
270 PARK AVENUE                                            
NEW YORK, NEW YORK                                                        10017
(Address of principal executive offices)                             (Zip Code)
                                                   

                               William H. McDavid
                                 General Counsel
                                 270 Park Avenue
                            New York, New York 10017
                               Tel: (212) 270-2611
            (Name, address and telephone number of agent for service)
            --------------------------------------------------------
                                  STAPLES, INC.
            (Exact name of obligor as specified in its charter)


DELAWARE                                                             04-2896127
(State or other jurisdiction of                                (I.R.S. employer
incorporation or organization)                              identification No.)
                                                          
ONE RESEARCH DRIVE                                        
WESTBOROUGH, MASSACHUSETTS                                                01581
(Address of principal executive offices)                             (Zip Code)
                                                  


            --------------------------------------------------------
                           SENIOR DEBT SECURITIES
                    (Title of the indenture securities)

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




<PAGE>   2

                                     GENERAL

Item 1.   General Information.

          Furnish the following information as to the trustee:

          (a)  Name and address of each examining or supervising authority to
               which it is subject.

               New York State Banking Department, State House, Albany, New York
               12110.

               Board of Governors of the Federal Reserve System, Washington,
               D.C., 20551

               Federal Reserve Bank of New York, District No. 2, 33 Liberty
               Street, New York, N.Y.

               Federal Deposit Insurance Corporation, Washington, D.C., 20429.


          (b)  Whether it is authorized to exercise corporate trust powers.

               Yes.


Item 2.   Affiliations with the Obligor.

          If the obligor is an affiliate of the trustee, describe each such
          affiliation.

          None.




                                   - 2 -

<PAGE>   3


Item 16.  List of Exhibits

          List below all exhibits filed as a part of this Statement of
          Eligibility.

          1. A copy of the Articles of Association of the Trustee as now in
effect, including the Organization Certificate and the Certificates of Amendment
dated February 17, 1969, August 31, 1977, December 31, 1980, September 9, 1982,
February 28, 1985, December 2, 1991 and July 10, 1996 (see Exhibit 1 to Form T-1
filed in connection with Registration Statement No. 333-06249, which is
incorporated by reference).

          2. A copy of the Certificate of Authority of the Trustee to Commence
Business (see Exhibit 2 to Form T-1 filed in connection with Registration
Statement No. 33-50010, which is incorporated by reference. On July 14, 1996, in
connection with the merger of Chemical Bank and The Chase Manhattan Bank
(National Association), Chemical Bank, the surviving corporation, was renamed
The Chase Manhattan Bank).

          3. None, authorization to exercise corporate trust powers being
contained in the documents identified above as Exhibits 1 and 2.

          4. A copy of the existing By-Laws of the Trustee (see Exhibit 4 to
Form T-1 filed in connection with Registration Statement No. 333-06249, which is
incorporated by reference).

          5. Not applicable.

          6. The consent of the Trustee required by Section 321(b) of the Act
(see Exhibit 6 to Form T-1 filed in connection with Registration Statement No.
33-50010, which is incorporated by reference. On July 14, 1996, in connection
with the merger of Chemical Bank and The Chase Manhattan Bank (National
Association), Chemical Bank, the surviving corporation, was renamed The Chase
Manhattan Bank).

          7. A copy of the latest report of condition of the Trustee, published
pursuant to law or the requirements of its supervising or examining authority.

          8. Not applicable.

          9. Not applicable.

                                    SIGNATURE

          Pursuant to the requirements of the Trust Indenture Act of 1939 the
Trustee, The Chase Manhattan Bank, a corporation organized and existing under
the laws of the State of New York, has duly caused this statement of eligibility
to be signed on its behalf by the undersigned, thereunto duly authorized, all in
the City of New York and State of New York, on the 10TH day of JULY, 1997.

                                           THE CHASE MANHATTAN BANK


                                           By /s/ Gemmel Richards
                                              ----------------------------------
                                                  Gemmel Richards
                                                  Trust Officer


                                      - 3 -


<PAGE>   4
                              Exhibit 7 to Form T-1


                                Bank Call Notice

                             RESERVE DISTRICT NO. 2
                       CONSOLIDATED REPORT OF CONDITION OF

                            The Chase Manhattan Bank
                  of 270 Park Avenue, New York, New York 10017
                     and Foreign and Domestic Subsidiaries,
                     a member of the Federal Reserve System,

                   at the close of business March 31, 1997, in
         accordance with a call made by the Federal Reserve Bank of this
         District pursuant to the provisions of the Federal Reserve Act.


                                                              DOLLAR AMOUNTS
                      ASSETS                                   IN MILLIONS


Cash and balances due from depository institutions:
   Noninterest-bearing balances and
   currency and coin ...................................             $ 11,721
   Interest-bearing balances ...........................                3,473
Securities:                                                          
Held to maturity securities ............................                2,965
Available for sale securities ..........................               35,903
Federal Funds sold and securities purchased under                    
   agreements to resell ................................               24,025
Loans and lease financing receivables:                               
   Loans and leases, net of unearned income ............  $123,957   
   Less: Allowance for loan and lease losses ...........     2,853   
   Less: Allocated transfer risk reserve ...............        13   
                                                          --------    
   Loans and leases, net of unearned income,                         
   allowance, and reserve ..............................              121,091
Trading Assets .........................................               54,340
Premises and fixed assets (including capitalized                     
   leases) .............................................                2,875
Other real estate owned ................................                  302
Investments in unconsolidated subsidiaries and                       
   associated companies ................................                  139
Customers' liability to this bank on acceptances                     
   outstanding .........................................                2,270
Intangible assets ......................................                1,535
Other assets ...........................................               10,283
                                                                     --------
TOTAL ASSETS ...........................................             $270,922
                                                                     ========
                                                                  

                                      - 4 -



<PAGE>   5



                                   LIABILITIES

Deposits
   In domestic offices ............................................  $  84,776
   Noninterest-bearing ...................................  $32,492
   Interest-bearing ......................................   52,284
                                                            -------
   
   In foreign offices, Edge and Agreement subsidiaries,
   and IBF's ......................................................     69,171
   Noninterest-bearing ...................................  $ 4,181
   Interest-bearing ......................................   64,990

Federal funds purchased and securities sold under agree-
ments to repurchase ...............................................     32,885
Demand notes issued to the U.S. Treasury ..........................      1,000
Trading liabilities ...............................................     42,538

Other Borrowed money (includes mortgage indebtedness
   and obligations under capitalized leases):
   With a remaining maturity of one year or less ..................      4,431
   With a remaining maturity of more than one year ................        466
Bank's liability on acceptances executed and outstanding ..........      2,270
Subordinated notes and debentures .................................      5,911
Other liabilities .................................................     11,575

TOTAL LIABILITIES .................................................    255,023
                                                                     ---------

                                 EQUITY CAPITAL

Perpetual Preferred stock and related surplus .....................          0
Common stock ......................................................      1,211
Surplus (exclude all surplus related to preferred stock)...........     10,283
Undivided profits and capital reserves ............................      4,941
Net unrealized holding gains (Losses)
on available-for-sale securities ..................................       (552)
Cumulative foreign currency translation adjustments ...............         16

TOTAL EQUITY CAPITAL ..............................................     15,899
                                                                     ---------
TOTAL LIABILITIES, LIMITED-LIFE PREFERRED
   STOCK AND EQUITY CAPITAL .......................................  $ 270,922
                                                                     =========




I, Joseph L. Sclafani, E.V.P. & Controller of the above-named
bank, do hereby declare that this Report of Condition has been
prepared in conformance with the instructions issued by the
appropriate Federal regulatory authority and is true to the best
of my knowledge and belief.

                                          JOSEPH L. SCLAFANI

We, the undersigned directors, attest to the correctness of this
Report of Condition and declare that it has been examined by us,
and to the best of our knowledge and belief has been prepared in
conformance with the instructions issued by the appropriate
Federal regulatory authority and is true and correct.

                                          WALTER V. SHIPLEY        )
                                          THOMAS G. LABRECQUE      )  DIRECTORS
                                          WILLIAM B. HARRISON, JR. )



                                      - 5 -

<PAGE>   1
   --------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549

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

                                    FORM T-1

                            STATEMENT OF ELIGIBILITY
                    UNDER THE TRUST INDENTURE ACT OF 1939 OF
                   A CORPORATION DESIGNATED TO ACT AS TRUSTEE

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

               CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF
                A TRUSTEE PURSUANT TO SECTION 305(b)(2) ________

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

                            THE CHASE MANHATTAN BANK
               (Exact name of trustee as specified in its charter)


NEW YORK                                                             13-4994650
(State of incorporation                                        (I.R.S. employer
if not a national bank)                                     identification No.)
                                                          
270 PARK AVENUE                                           
NEW YORK, NEW YORK                                                        10017
(Address of principal executive offices)                             (Zip Code)

                                                  
                               William H. McDavid
                                 General Counsel
                                 270 Park Avenue
                            New York, New York 10017
                               Tel: (212) 270-2611
            (Name, address and telephone number of agent for service)
                  ---------------------------------------------
                                  STAPLES, INC.
               (Exact name of obligor as specified in its charter)

DELAWARE                                                             04-2896127
(State or other jurisdiction of                                (I.R.S. employer
incorporation or organization)                              identification No.)
                                                           
ONE RESEARCH DRIVE                                         
WESTBOROUGH, MASSACHUSETTS                                                01581
(Address of principal executive offices)                             (Zip Code)

                                                   
                  ---------------------------------------------
                          SUBORDINATED DEBT SECURITIES
                       (Title of the indenture securities)



   --------------------------------------------------------------------------
<PAGE>   2

                                     GENERAL

Item 1.   General Information.

          Furnish the following information as to the trustee:

          (a)  Name and address of each examining or supervising authority to
               which it is subject.

               New York State Banking Department, State House, Albany, New York
               12110.

               Board of Governors of the Federal Reserve System, Washington,
               D.C., 20551

               Federal Reserve Bank of New York, District No. 2, 33 Liberty
               Street, New York, N.Y.

               Federal Deposit Insurance Corporation, Washington, D.C., 20429.


          (b)  Whether it is authorized to exercise corporate trust powers.

               Yes.


Item 2.   Affiliations with the Obligor.

          If the obligor is an affiliate of the trustee, describe each such
          affiliation.

          None.




                                   - 2 -

<PAGE>   3


Item 16.  List of Exhibits

          List below all exhibits filed as a part of this Statement of
          Eligibility.

          1. A copy of the Articles of Association of the Trustee as now in
effect, including the Organization Certificate and the Certificates of Amendment
dated February 17, 1969, August 31, 1977, December 31, 1980, September 9, 1982,
February 28, 1985, December 2, 1991 and July 10, 1996 (see Exhibit 1 to Form T-1
filed in connection with Registration Statement No. 333-06249, which is
incorporated by reference).

          2. A copy of the Certificate of Authority of the Trustee to Commence
Business (see Exhibit 2 to Form T-1 filed in connection with Registration
Statement No. 33-50010, which is incorporated by reference. On July 14, 1996, in
connection with the merger of Chemical Bank and The Chase Manhattan Bank
(National Association), Chemical Bank, the surviving corporation, was renamed
The Chase Manhattan Bank).

          3. None, authorization to exercise corporate trust powers being
contained in the documents identified above as Exhibits 1 and 2.

          4. A copy of the existing By-Laws of the Trustee (see Exhibit 4 to
Form T-1 filed in connection with Registration Statement No. 333-06249, which is
incorporated by reference).

          5. Not applicable.

          6. The consent of the Trustee required by Section 321(b) of the Act
(see Exhibit 6 to Form T-1 filed in connection with Registration Statement No.
33-50010, which is incorporated by reference. On July 14, 1996, in connection
with the merger of Chemical Bank and The Chase Manhattan Bank (National
Association), Chemical Bank, the surviving corporation, was renamed The Chase
Manhattan Bank).

          7. A copy of the latest report of condition of the Trustee, published
pursuant to law or the requirements of its supervising or examining authority.

          8. Not applicable.

          9. Not applicable.

                                    SIGNATURE

          Pursuant to the requirements of the Trust Indenture Act of 1939 the
Trustee, The Chase Manhattan Bank, a corporation organized and existing under
the laws of the State of New York, has duly caused this statement of eligibility
to be signed on its behalf by the undersigned, thereunto duly authorized, all in
the City of New York and State of New York, on the 10TH day of JULY, 1997.

                                           THE CHASE MANHATTAN BANK


                                           By /s/ Gemmel Richards
                                              ----------------------------------
                                                  Gemmel Richards
                                                  Trust Officer


                                      - 3 -


<PAGE>   4
                              Exhibit 7 to Form T-1


                                Bank Call Notice

                             RESERVE DISTRICT NO. 2
                       CONSOLIDATED REPORT OF CONDITION OF

                            The Chase Manhattan Bank
                  of 270 Park Avenue, New York, New York 10017
                     and Foreign and Domestic Subsidiaries,
                     a member of the Federal Reserve System,

                   at the close of business March 31, 1997, in
         accordance with a call made by the Federal Reserve Bank of this
         District pursuant to the provisions of the Federal Reserve Act.


                                                              DOLLAR AMOUNTS
                      ASSETS                                   IN MILLIONS


Cash and balances due from depository institutions:
   Noninterest-bearing balances and
   currency and coin ...................................             $ 11,721
   Interest-bearing balances ...........................                3,473
Securities:                                                          
Held to maturity securities ............................                2,965
Available for sale securities ..........................               35,903
Federal Funds sold and securities purchased under                    
   agreements to resell ................................               24,025
Loans and lease financing receivables:                               
   Loans and leases, net of unearned income ............  $123,957   
   Less: Allowance for loan and lease losses ...........     2,853   
   Less: Allocated transfer risk reserve ...............        13   
                                                          --------    
   Loans and leases, net of unearned income,                         
   allowance, and reserve ..............................              121,091
Trading Assets .........................................               54,340
Premises and fixed assets (including capitalized                     
   leases) .............................................                2,875
Other real estate owned ................................                  302
Investments in unconsolidated subsidiaries and                       
   associated companies ................................                  139
Customers' liability to this bank on acceptances                     
   outstanding .........................................                2,270
Intangible assets ......................................                1,535
Other assets ...........................................               10,283
                                                                     --------
TOTAL ASSETS ...........................................             $270,922
                                                                     ========
                                                                  

                                      - 4 -



<PAGE>   5



                                   LIABILITIES

Deposits
   In domestic offices ............................................  $  84,776
   Noninterest-bearing ...................................  $32,492
   Interest-bearing ......................................   52,284
                                                            -------
   
   In foreign offices, Edge and Agreement subsidiaries,
   and IBF's ......................................................     69,171
   Noninterest-bearing ...................................  $ 4,181
   Interest-bearing ......................................   64,990

Federal funds purchased and securities sold under agree-
ments to repurchase ...............................................     32,885
Demand notes issued to the U.S. Treasury ..........................      1,000
Trading liabilities ...............................................     42,538

Other Borrowed money (includes mortgage indebtedness
   and obligations under capitalized leases):
   With a remaining maturity of one year or less ..................      4,431
   With a remaining maturity of more than one year ................        466
Bank's liability on acceptances executed and outstanding ..........      2,270
Subordinated notes and debentures .................................      5,911
Other liabilities .................................................     11,575

TOTAL LIABILITIES .................................................    255,023
                                                                     ---------

                                 EQUITY CAPITAL

Perpetual Preferred stock and related surplus .....................          0
Common stock ......................................................      1,211
Surplus (exclude all surplus related to preferred stock)...........     10,283
Undivided profits and capital reserves ............................      4,941
Net unrealized holding gains (Losses)
on available-for-sale securities ..................................       (552)
Cumulative foreign currency translation adjustments ...............         16

TOTAL EQUITY CAPITAL ..............................................     15,899
                                                                     ---------
TOTAL LIABILITIES, LIMITED-LIFE PREFERRED
   STOCK AND EQUITY CAPITAL .......................................  $ 270,922
                                                                     =========




I, Joseph L. Sclafani, E.V.P. & Controller of the above-named
bank, do hereby declare that this Report of Condition has been
prepared in conformance with the instructions issued by the
appropriate Federal regulatory authority and is true to the best
of my knowledge and belief.

                                          JOSEPH L. SCLAFANI

We, the undersigned directors, attest to the correctness of this
Report of Condition and declare that it has been examined by us,
and to the best of our knowledge and belief has been prepared in
conformance with the instructions issued by the appropriate
Federal regulatory authority and is true and correct.

                                          WALTER V. SHIPLEY        )
                                          THOMAS G. LABRECQUE      )  DIRECTORS
                                          WILLIAM B. HARRISON, JR. )



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