TRIBUNE CO
S-3, 1999-03-24
NEWSPAPERS: PUBLISHING OR PUBLISHING & PRINTING
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<PAGE>
 
     As filed with the Securities and Exchange Commission on March 24, 1999
 
                                                      Registration No. 333-
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
 
                                --------------
 
                                    FORM S-3
                             REGISTRATION STATEMENT
                                     Under
                           The Securities Act of 1933
 
                                TRIBUNE COMPANY
             (Exact name of registrant as specified in its charter)
 
               Delaware                              36-1880355
       (State of incorporation)         (I.R.S. Employer Identification No.)
 
                           435 North Michigan Avenue
                            Chicago, Illinois 60611
                                 (312) 222-9100
  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)
 
                                --------------
 
                 David J. Granat, Vice President and Treasurer
                                Tribune Company
                           435 North Michigan Avenue
                            Chicago, Illinois 60611
                                 (312) 222-3897
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
 
                          Copies of communications to:
     Larry A. Barden           Crane H. Kenney            Edward S. Best
   Kevin F. Blatchford      Vice President/General     Mayer, Brown & Platt
     Sidley & Austin        Counsel and Secretary    190 South LaSalle Street
 One First National Plaza      Tribune Company       Chicago, Illinois 60603-
 Chicago, Illinois 60603  435 North Michigan Avenue            3441
                           Chicago, Illinois 60611
 
                                --------------
 
  Approximate date of commencement of proposed sale to the public: From time to
time after this Registration Statement becomes effective as determined by
market conditions.
 
  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
 
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<TABLE>
<CAPTION>
                                                               Proposed       Proposed
                                                               Maximum        Maximum
                                                              Aggregate      Aggregate      Amount of
                                              Amount to be      Price      Offering Price  Registration
    Title of Securities to be Registered     Registered (1)    Per Unit         (1)            Fee
- -------------------------------------------------------------------------------------------------------
 <S>                                         <C>            <C>            <C>            <C>
 Debt Securities and Warrants to Purchase
  Debt Securities..........................  $1,500,000,000      (2)       $1,500,000,000    $417,000
- -------------------------------------------------------------------------------------------------------
</TABLE>
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(1) In United States dollars or the equivalent thereof in foreign denominated
    currencies or composite currencies; or, if any Debt Securities are issued
    at an original issue discount, such greater amount as shall result in an
    aggregate public offering price or purchase price of $1,500,000,000 or the
    equivalent thereof in foreign denominated currencies or composite
    currencies. Estimated solely for purposes of calculating the registration
    fee.
(2) The maximum offering price per unit has been omitted pursuant to Rule
    457(o) under the Securities Act of 1933 and Securities Act Release No.
    6964. The registration fee has been calculated in accordance with Rule
    457(o) under the Securities Act of 1933 and reflects the public offering
    price rather than the principal amount of any Debt Securities issued at a
    discount.
 
                                --------------
 
  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 this Registration Statement shall become
effective on such date as the Commission, acting pursuant to said Section 8(a),
may determine.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
 
                   Subject To Completion, Dated        , 1999
 
Prospectus
 
- --------------------------------------------------------------------------------
 
                                Tribune Company
 
                              Debt Securities and
                      Warrants to Purchase Debt Securities
- --------------------------------------------------------------------------------
 
  By this prospectus, we may offer in one or more separate offerings up to
$1,500,000,000 of our debt securities and warrants to purchase debt securities.
The debt securities may be issued in one or more series, will be unsecured and
will be either senior or subordinated obligations of Tribune. We will determine
the terms for the debt securities and warrants at the time of sale. We will
provide the specific terms of the debt securities and warrants in one or more
supplements to this prospectus. You should read this prospectus and the
applicable supplements carefully before you invest.
 
  Our executive offices are located at 435 North Michigan Avenue, Chicago,
Illinois 60611, and our telephone number is (312) 222-9100.
 
  Neither the Securities and Exchange Commission nor any state securities
commission has approved or disapproved of these securities or determined if
this prospectus is truthful or complete. Any representation to the contrary is
a criminal offense.
 
  We may offer the debt securities and warrants in any of the following ways:
 
    . directly to purchasers;
 
    . through agents;
 
    . through dealers; or
 
    . through one or more underwriters or a syndicate of underwriters in an
      underwritten offering.
 
  Additional information on our plan of distribution can be found inside under
"Plan of Distribution." We will further describe the plan of distribution for
any debt securities and warrants in the applicable prospectus supplements.
 
  The information in this prospectus is not complete and may be changed. We may
not sell these securities until the registration statement filed with the SEC
is effective. This prospectus is not an offer to sell these securities and it
is not soliciting an offer to buy these securities in any state where the offer
or sale is not permitted.
 
- --------------------------------------------------------------------------------
 
               The date of this prospectus is            , 1999.
<PAGE>
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
About This Prospectus......................................................   2
About Tribune..............................................................   2
Use of Proceeds............................................................   2
Ratios of Earnings to Fixed Charges........................................   3
Description of Debt Securities.............................................   3
Description of Warrants....................................................  13
Plan of Distribution.......................................................  15
Legal Matters..............................................................  16
Experts....................................................................  16
Where You Can Find More Information........................................  16
</TABLE>
 
                             ABOUT THIS PROSPECTUS
 
  This prospectus is part of a registration statement (No. 333-     ) that we
filed with the SEC utilizing a shelf registration process. Under this shelf
process, we may offer the debt securities and warrants described in this
prospectus in one or more offerings with a total aggregate principal amount or
initial purchase price not to exceed $1,500,000,000. In this prospectus, we
refer to the debt securities and the warrants collectively as the securities.
This prospectus provides you with a general description of the securities we
may offer. Each time we offer securities, we will provide you with a prospectus
supplement and, if applicable, a pricing supplement. The prospectus supplement
and any applicable pricing supplement will describe the specific amounts,
prices and terms of the debt securities being offered and, in the case of
warrants, will describe the debt securities issuable upon exercise of the
warrants and the offering price, if any, exercise price, duration or any other
terms of the warrants. The prospectus supplement and any applicable pricing
supplement may also add, update or change the information in this prospectus.
Please carefully read this prospectus, the applicable prospectus supplement and
any applicable pricing supplement, together with the information contained in
the documents referred to under "Where You Can Find More Information."
 
                                 ABOUT TRIBUNE
 
  Tribune Company is a media company. Through our subsidiaries, we are engaged
in the publishing of newspapers, books, educational materials and information
in print and digital formats and the broadcasting, production and syndication
of information and entertainment principally in metropolitan areas in the
United States. We were founded in 1847 and incorporated in Illinois in 1861. As
a result of a corporate restructuring in 1968, we became a holding company
incorporated in Delaware.
 
                                USE OF PROCEEDS
 
  We expect to add substantially all of the net proceeds from the sale of the
securities to our general funds to be used for general corporate purposes,
including securities repurchase programs, capital expenditures, working
capital, repayment of long-term and short-term debt and the financing of
acquisitions. We may invest funds that we do not immediately require in short-
term marketable securities.
 
                                       2
<PAGE>
 
                      RATIOS OF EARNINGS TO FIXED CHARGES
 
  Our ratios of earnings to fixed charges for each of the periods indicated are
as follows:
 
<TABLE>
<CAPTION>
                                                           Fiscal Year Ended
                                                                December
                                                        ------------------------
                                                        1998 1997 1996 1995 1994
                                                        ---- ---- ---- ---- ----
<S>                                                     <C>  <C>  <C>  <C>  <C>
Ratio of earnings to fixed charges..................... 7.2  6.9  7.1  8.7  8.2
</TABLE>
 
  For purposes of computing the foregoing ratios:
 
  (1) "earnings" consist of income from continuing operations plus income tax
expense and losses on equity investments plus fixed charges (including
amortization of capitalized interest but excluding capitalized interest and
interest related to our guarantees of the debt of our employee stock ownership
plan); and
 
  (2) "fixed charges" consist of interest, whether expensed or capitalized, the
portion of rental payments on operating leases estimated to represent an
interest component and interest related to our guarantees of the debt of our
employee stock ownership plan.
 
                         DESCRIPTION OF DEBT SECURITIES
 
  The debt securities offered in this prospectus will be either senior debt
securities or subordinated debt securities. We will issue the senior debt
securities under our existing Indenture dated as of January 1, 1997 between
Tribune and Bank of Montreal Trust Company, which we refer to as the senior
indenture. We will issue the subordinated debt securities under an indenture to
be entered into between Tribune and Bank of Montreal Trust Company, which we
refer to as the subordinated indenture. We refer to the senior indenture and
the subordinated indenture collectively as the indentures and Bank of Montreal
Trust Company as the trustee. The senior indenture and a form of the
subordinated indenture are each filed as an exhibit to the registration
statement, which includes this prospectus.
 
  The provisions of the indentures that bear the same section numbers are
substantially identical in substance, except that:
 
    . Article X of the senior indenture includes covenants of Tribune which
      are not included in the subordinated indenture; and
 
    . Article XIV of the subordinated indenture provides for the
      subordination of the subordinated debt securities, and has no
      counterpart in the senior indenture.
 
We describe the additional covenants in the senior indenture under "Certain
Covenants of Tribune Under the Senior Indenture" and the subordination
provisions in the subordinated indenture under "Subordination Under the
Subordinated Indenture."
 
  The following is a brief summary of the debt securities and the indentures
which does not purport to be complete and is subject to and qualified in its
entirety by reference to the indentures. Wherever we refer to particular
provisions of the indentures, those provisions are incorporated by reference as
a part of the statements made in this prospectus and those statements are
qualified in their entirety by that reference. References in italics are to
section numbers in both of the indentures, unless otherwise noted.
 
                                       3
<PAGE>
 
General
 
  The indentures do not limit the amount of debt securities which we may issue
under them. In addition, the indentures provide that the debt securities may be
issued from time to time in series and will be our unsecured obligations. The
senior debt securities will rank equally with all of our other unsecured and
unsubordinated indebtedness. The subordinated debt securities will rank junior
and be subordinate to all of our senior indebtedness as we describe under
"Subordination Under the Subordinated Indenture."
 
  Any prospectus supplement may contain a description of the following terms of
the debt securities:
 
    . the title of the debt securities;
 
    . whether the debt securities constitute senior debt securities or
      subordinated debt securities;
 
    . the specific indenture under which the debt securities are issued;
 
    . the limit, if any, upon the aggregate principal amount of the debt
      securities;
 
    . the formula, if any, by which the principal amount of debt securities
      outstanding may be determined from time to time;
 
    . the dates on which or periods during which the debt securities may be
      issued and the date or dates on which the principal of (and premium,
      if any, on) those debt securities will be payable;
 
    . the rate or rates, if any, or the method of determining the rate or
      rates, at which the debt securities will bear interest, if any; the
      date or dates from which interest will accrue; the dates on which
      interest will be payable; and the regular record dates for the
      payment of interest;
 
    . the terms and conditions under which we may be obligated to redeem,
      repay, convert, exchange or purchase the debt securities under any
      sinking fund or analogous provisions or otherwise or at the option of
      a holder;
 
    . the terms and conditions upon which we may redeem the debt
      securities, in whole or in part, at our option;
 
    . if other than denominations of $1,000 and any integral multiple of
      $1,000, the denominations in which the debt securities will be
      issuable;
 
    . whether the debt securities are to be issued at less than the
      principal amount of those debt securities and the amount of discount
      with which those debt securities will be issued;
 
    . provisions, if any, for the defeasance of the debt securities;
 
    . if denominated in a currency other than United States dollars, the
      currency or composite currency in which the debt securities are to be
      denominated, or in which payments of the principal, premium, if any,
      and interest will be made and the circumstances, if any, when the
      currency of payment may be changed;
 
    . if we or a holder have the right to elect that the payments of the
      principal, premium, if any, or interest are to be made in a currency
      or composite currency other than that in
 
                                       4
<PAGE>
 
     which the debt securities are denominated or stated to be payable, the
     terms and conditions upon which that election may be made and how the
     exchange rate between the currency or composite currency in which
     those debt securities are denominated or stated to be payable and the
     currency in which those debt securities are elected to be paid
     pursuant to that election will be determined;
 
    . if the payments of principal, premium, if any, or interest may be
      determined with reference to one or more securities issued by Tribune
      or another company, any currency or other index, how those amounts
      shall be determined;
 
    . the right, if any, to extend the interest payment periods and the
      duration of those extensions;
 
    . whether the debt securities will be issued in the form of one or more
      global securities and, if so, the identity of the depositary for
      those global securities;
 
    . any additional events of default or covenants relating solely to the
      debt securities or any events of default or covenants generally
      applicable to debt securities which are not to apply to the
      particular series of debt securities; and
 
    . any other terms of the debt securities not inconsistent with the
      provisions of the applicable indenture.
 
Unless otherwise indicated in the applicable prospectus supplement, neither
indenture will afford the holder of any series of debt securities the right to
tender those debt securities to us for repurchase or exchange, or provide for
any increase in the rate or rates of interest per annum at which those debt
securities will bear interest, in the event that we should become involved in a
highly leveraged transaction.
 
  The debt securities may be issued under the indentures bearing no interest or
interest at a rate below the prevailing market rate at the time of issuance, to
be offered and sold at a discount below their stated principal amount. We will
describe, in the applicable prospectus supplement, any federal income tax
consequences and other special considerations applicable to any such discounted
debt securities or to other debt securities offered and sold at par which are
treated as having been issued at a discount for federal income tax purposes.
 
  Our subsidiaries hold a substantial portion of our assets. Our right and the
rights of our creditors, including the holders of debt securities, to
participate in the assets of any subsidiary upon its liquidation or
recapitalization would be subject to the prior claims of such subsidiary's
creditors, except to the extent that we may ourselves be a creditor with
recognized claims against such subsidiary. There is no restriction in the
indentures against our subsidiaries incurring unsecured indebtedness.
 
  Unless otherwise described in the applicable prospectus supplement, the debt
securities will be issued only in fully registered form without coupons, in
denominations of $1,000 and multiples of $1,000, and will be payable only in
United States dollars. (Section 3.02) In addition, all or a portion of the debt
securities of any series may be issued in permanent registered global form
which will be exchangeable for definitive debt securities only under certain
conditions. (Section 2.03) The applicable prospectus supplement may indicate
the denominations to be issued, the procedures for
 
                                       5
<PAGE>
 
payment of interest and principal thereon, and other matters. No service charge
will be made for any registration of transfer or exchange of the debt
securities. We may, in certain instances, require payment of a sum sufficient
to cover any tax or other governmental charge payable in connection with those
transactions. (Section 3.05)
 
Global Securities
 
  The debt securities of each series may be issued in whole or in part in
global form. A debt security in global form will be deposited with, or on
behalf of, a depositary, which will be named in the applicable prospectus
supplement. A global security may be issued in either registered or bearer form
and in either temporary or definitive form. A global debt security may not be
transferred, except as a whole, among the depositary for that debt security
and/or its nominees and/or successors. If any debt securities of a series are
issuable as global securities, the applicable prospectus supplement will
describe any circumstances when beneficial owners of any of those global
securities may exchange their interests for definitive debt securities of that
series and of like tenor and principal amount in any authorized form and
denomination, the manner of payment of principal of and interest, if any, on
those global debt securities and the specific terms of the depositary
arrangement with respect to those global debt securities.
 
Certain Covenants of Tribune Under the Senior Indenture
 
  In our description of these covenants we use capitalized terms for which we
provide definitions at the end of this section.
 
  Limitation on Indebtedness Secured by a Mortgage. The senior indenture
provides that neither we nor any Restricted Subsidiary will become liable for
any Indebtedness secured by any mortgage, pledge, lien, security interest,
conditional sale or other title retention agreement or other similar
encumbrance, which we refer to collectively as Mortgages, on any of our assets
or those of a Restricted Subsidiary unless we secure or cause that Restricted
Subsidiary to secure the senior debt securities equally with, or prior to, that
secured Indebtedness. This restriction will not apply to Indebtedness secured
by:
 
    . Mortgages on the property of any corporation, which Mortgages existed
      at the time that corporation became a Restricted Subsidiary;
 
    . Mortgages in favor of us or a Restricted Subsidiary;
 
    . Mortgages on our property or that of a Restricted Subsidiary in favor
      of any governmental entity or political subdivision in the U.S. or
      any other country to secure payment under any contract or statute or
      to secure any indebtedness used to fund the purchase or cost of
      construction or improvement of the property subject to those
      Mortgages;
 
    . Mortgages on any property subsequently acquired by us or any
      Restricted Subsidiary, contemporaneously with that acquisition or
      within 120 days after that acquisition, to secure or provide for the
      payment of any part of the purchase price of that property, or
      Mortgages assumed by us or any Restricted Subsidiary upon any
      property subsequently acquired by us or any Restricted Subsidiary
      which were existing at the time of that
 
                                       6
<PAGE>
 
     acquisition, provided that the amount of any Indebtedness secured by
     any Mortgage does not exceed the cost of the property covered by that
     Mortgage;
 
    . Mortgages representing the extension, renewal or refunding of any
      Mortgage referred to in the foregoing bullet point paragraphs; and
 
    . any other Mortgage, other than Mortgages referred to above, so long
      as the aggregate of all Indebtedness secured by Mortgages pursuant to
      this bullet point paragraph and the aggregate Value of the Sale and
      Lease-Back Transactions in existence at that time (with certain
      exceptions) does not exceed 10% of Consolidated Net Tangible Assets.
      (senior indenture, Section 10.07)
 
  Limitation on Sale and Lease-Back Transactions. The senior indenture
provides that neither we nor any Subsidiary will enter into any Sale and
Lease-Back Transaction with respect to any Principal Property unless either:
 
    . we or that Subsidiary would be entitled, under the covenant described
      under "Limitation on Indebtedness Secured by a Mortgage," to create,
      assume, guarantee or suffer Indebtedness in a principal amount equal
      to or exceeding the Value of that Sale and Lease-Back Transaction
      secured by a Mortgage on the property to be leased without equally
      securing the senior debt securities; or
 
    . we, within four months after the effective date of that transaction,
      apply an amount equal to the greater of (x) the net proceeds of the
      sale of the property subject to the Sale and Lease-Back Transaction
      and (y) the Value of that Sale and Lease-Back Transaction, to the
      voluntary retirement of the senior debt securities or our other
      unsubordinated Indebtedness. (senior indenture, Section 10.08)
 
  Certain Definitions.
 
  "Consolidated Net Tangible Assets" is defined in the senior indenture to
mean total consolidated assets of us and our Consolidated Subsidiaries, less:
 
    . current liabilities of us and our Consolidated Subsidiaries;
 
    . contracts payable for broadcast rights;
 
    . the net book amount of all intangible assets of us and our
      Consolidated Subsidiaries;
 
    . appropriate amounts to account for minority interests of other
      persons holding stock in Subsidiaries; and
 
    . investments in Subsidiaries (other than Restricted Subsidiaries)
      aggregating in excess of 10% of the Net Worth of us and our
      Consolidated Subsidiaries. (senior indenture, Section 10.07)
 
  "Consolidated Subsidiary" is defined in the senior indenture to mean a
Subsidiary the accounts of which are consolidated with our accounts for public
financial reporting purposes. (senior indenture, Section 1.01)
 
                                       7
<PAGE>
 
  "Indebtedness" is defined in the senior indenture to mean:
 
    . long-term liabilities representing borrowed money and purchase money
      obligations as shown on the liability side of a balance sheet (other
      than liabilities evidenced by obligations under leases and contracts
      payable for broadcast rights);
 
    . indebtedness secured by any mortgage, pledge or lien existing on
      property owned subject to that mortgage, pledge or lien, whether or
      not that secured indebtedness has been assumed; and
 
    . contingent obligations in respect of, or to purchase or otherwise
      acquire, any such indebtedness of others described in the foregoing
      bullet point paragraphs, including guarantees and endorsements (other
      than for purposes of collection in the ordinary course of business of
      any such indebtedness). (senior indenture, Section 10.07)
 
  "Net Worth" is defined in the senior indenture to mean the aggregate amount
of stockholders' investment as determined in accordance with generally accepted
accounting principles. (senior indenture, Section 10.07)
 
  "Principal Property" is defined in the senior indenture to mean any
manufacturing or printing plant, warehouse, office building, power plant or
transmission facility owned by us or any Subsidiary or any property or right
owned by or granted to us or any Subsidiary and used or held for use in the
newspaper, newsprint, radio or television business conducted by us or any
Subsidiary, except for any such property or right which, in the opinion of our
board of directors, is not material to the total business conducted by us and
our Subsidiaries considered as one enterprise. (senior indenture, Section 1.01)
 
  "Restricted Subsidiary" is defined in the senior indenture to mean each of
our Subsidiaries as of the date of the senior indenture and each Subsidiary
thereafter created or acquired, unless expressly excluded by resolution of our
board of directors before, or within 120 days following, that creation or
acquisition. (senior indenture, Section 10.07)
 
  A "Sale and Lease-Back Transaction" is defined in the senior indenture as the
leasing by us or a Subsidiary for a period of more than three years of any
Principal Property which has been sold or is to be sold or transferred by us or
any such Subsidiary to any party (other than us or a Subsidiary) to which funds
have been or will be advanced by that party on the security of the leased
property. (senior indenture, Section 10.08)
 
  "Subsidiary" is defined in the indentures to mean a corporation more than 50%
of the outstanding voting stock of which is owned, directly or indirectly, by
us or by one or more other Subsidiaries or by us and one or more other
Subsidiaries. For the purposes of this definition, "voting stock" means stock
which ordinarily has voting power for the election of directors, whether at all
times or only so long as no senior class of stock has that voting power by
reason of any contingency. (Section 1.01)
 
  "Value" is defined in the senior indenture to mean, with respect to any
particular Sale and Lease-Back Transaction, as of any particular time, the
amount equal to the greater of:
 
    . the net proceeds of the sale or transfer of the property leased
      pursuant to that Sale and Lease-Back Transaction; or
 
                                       8
<PAGE>
 
    . the fair value in the opinion of our board of directors of that
      property at the time we entered into that Sale and Lease-Back
      Transaction, subject to adjustment at any particular time for the
      length of the remaining initial lease term. (senior indenture,
      Section 10.08)
 
Consolidation, Merger and Sale of Assets
 
  Each indenture provides that we may not consolidate with or merge into any
other corporation, or convey, transfer or lease our properties and assets
substantially as an entirety to any other party, unless, among other things:
 
    . the corporation formed by that consolidation or into which we are
      merged or the party which acquires by conveyance or transfer, or
      which leases our properties and assets substantially as an entirety,
      is organized and existing under the laws of the United States, any
      State or the District of Columbia and expressly assumes our
      obligations on the debt securities and under each indenture by means
      of an indenture supplemental to each indenture; and
 
    . immediately after giving effect to that transaction no Event of
      Default (as we define it below), and no event which, after notice or
      lapse of time, or both, would become an Event of Default, has
      happened and is continuing. (Section 8.01)
 
Events of Default, Waiver and Notice
 
  With respect to the debt securities of any series an "Event of Default" is
defined in each indenture as being:
 
    .  default for 30 days in payment of any interest upon the debt
       securities of that series and, with respect to any series of
       subordinated debt securities, that payment has not been extended or
       deferred;
 
    . default in payment of the principal of or premium, if any, on the
      debt securities of that series when due either at maturity or upon
      acceleration, redemption or otherwise;
 
    . our default in the performance of any other of the covenants or
      warranties in the applicable indenture which shall not have been
      remedied for a period of 60 days after notice of default; and
 
    .  certain events of bankruptcy, insolvency or reorganization of us or
       any Significant Subsidiary. (Section 5.01).
 
  "Significant Subsidiary" is defined in the indentures to mean any Subsidiary:
 
    . which, as of the close of our fiscal year immediately preceding the
      date of determination, contributed more than 7% of our and our
      Subsidiaries' consolidated gross operating revenues; or
 
    . the Net Worth of which (determined in a manner consistent with the
      manner of determining our and our Subsidiaries' consolidated Net
      Worth) as of the close of the immediately preceding fiscal year
      exceeded 7% of our and our Subsidiaries' consolidated Net Worth.
      (Section 5.01)
 
                                       9
<PAGE>
 
  Within 90 days after the occurrence of any default under the applicable
indenture with respect to the debt securities of any series, the trustee is
required to notify the holders of debt securities of that series of any default
(except in payment of principal of or premium, if any, or interest on any debt
securities), unless the board of directors, the executive committee or a trust
committee of directors or officers of the trustee in good faith considers it in
the interest of the holders of debt securities of that series not to do so.
(Section 6.02)
 
  Each indenture provides that if an Event of Default with respect to debt
securities of any series has occurred and is continuing, either the trustee or
the holders of at least 25% in aggregate principal amount of the debt
securities of that series then outstanding may declare the entire principal and
accrued interest of all debt securities of that series to be due and payable
immediately. However, at any time after a declaration of acceleration with
respect to the debt securities of any series has been made, but before a
judgment or decree for the payment of money based on that acceleration has been
obtained by the trustee, the holders of a majority in principal amount of the
outstanding debt securities of that series may, under certain circumstances,
rescind and annul that acceleration. The holders of a majority in principal
amount of the outstanding debt securities of any series may waive any past
defaults under the applicable indenture with respect to the debt securities of
that series, except defaults in payment of principal of or premium, if any
(other than by a declaration of acceleration), or interest on the debt
securities of that series or covenants that may not be modified or amended
without the consent of the holders of all outstanding debt securities of each
series affected. (Sections 5.02 and 5.13)
 
  We will be required to furnish annually to the trustee under each indenture a
statement as to our performance of our covenants and agreements under that
indenture. (senior indenture, Section 10.09 subordinated indenture, Section
10.07)
 
  Subject to certain conditions set forth in the applicable indenture, the
holders of a majority in principal amount of the then outstanding debt
securities of any series have the right to direct the time, method and place of
conducting any proceeding for any remedy available to the trustee under that
indenture with regard to that series. No holder of any debt securities of any
series will have any right to institute any proceedings, judicial or otherwise,
with respect to that indenture or any remedy under that indenture unless, among
other things, the holder or holders of debt securities have offered to the
trustee reasonable indemnity against costs, expenses and liabilities relating
to those proceedings. (Sections 5.12 and 5.07)
 
Modification of the Indentures
 
  With respect to the debt securities, we and the applicable trustee may modify
or amend each indenture with the consent of the holders of a majority in
aggregate principal amount of the debt securities affected by that modification
or amendment. However, no such modification or amendment may, without the
consent of the holders of all then outstanding debt securities affected by that
modification or amendment:
 
    . change the due date of the principal of, or any installment of
      principal of or interest on, any debt security;
 
                                       10
<PAGE>
 
    . reduce the principal amount of, or rate of interest on, or any
      premium payable on redemption of any debt security;
 
    . reduce the principal amount of any debt security payable upon
      acceleration of the maturity of that debt security;
 
    . change the place or the currency of payment of principal of, or any
      premium or interest on, any debt security;
 
    . impair the right to institute suit for the enforcement of any payment
      on or with respect to any debt security on or after the due date of
      that debt security (or, in the case of redemption, on or after the
      redemption date of that debt security);
 
    . reduce the percentage in principal amount of any debt securities of
      any series then outstanding that is required to modify or amend that
      indenture or to waive compliance with certain provisions of that
      indenture or to waive certain defaults; or
 
    . modify certain provisions of that indenture regarding the amendment
      or modification of, or waiver with respect to, any provision of the
      indenture or the debt securities. (Section 9.02)
 
Subordination Under the Subordinated Indenture
 
  In our description of the subordination of the subordinated debt securities
we use capitalized terms for which we provide definitions at the end of this
section.
 
  The subordinated debt securities issued under the subordinated indenture will
be unsecured and junior in right of payment to all Senior Indebtedness. This
means that no payment on the subordinated debt securities may be made if:
 
    . any Senior Indebtedness is not paid when due, any applicable grace
      period with respect to any such payment default has ended and that
      default has not been cured or waived or ceased to exist; or
 
    . the maturity of any Senior Indebtedness has been accelerated because
      of a default and that acceleration has not been rescinded.
 
  On any distribution of assets of Tribune to creditors upon any dissolution,
winding-up or liquidation, whether voluntary or involuntary or in bankruptcy,
insolvency, receivership, reorganization or other proceedings, all principal
of, premium, if any, interest and any other amounts due or to become due on,
all Senior Indebtedness must be paid in full before the holders of the
subordinated debt securities are entitled to receive or retain any payment.
Upon payment in full of the Senior Indebtedness, the holders of the
subordinated debt securities will assume rights similar to the holders of
Senior Indebtedness to receive payments or distributions applicable to Senior
Indebtedness until all amounts owing on the subordinated debt securities are
paid in full. The subordinated debt securities will rank at least equal with
all other subordinated debt securities issued by Tribune.
 
  "Senior Indebtedness" in the subordinated indenture means:
 
    . principal, premium, if any, and interest Tribune owes on and other
      amounts due in connection with:
 
                                       11
<PAGE>
 
     --indebtedness for money borrowed by Tribune; or
 
    --indebtedness evidenced by notes, bonds, debentures or similar
       evidences of indebtedness issued by Tribune;
 
    . all capital lease obligations of Tribune;
 
    . all indebtedness of Tribune for the deferred purchase price of
      property or services (other than on normal trade terms); and
 
    . all obligations of the type referred to above of other persons for
      the payment of which Tribune is responsible or liable as obligor or
      guarantor. (subordinated indenture, Section 14.01)
 
  Senior Indebtedness does not include:
 
    . any indebtedness that is by its terms junior to or equal with the
      subordinated debt securities;
 
    . any series of subordinated debt securities under the subordinated
      indenture;
 
    . trade accounts payable arising in the ordinary course of business;
      and
 
    . indebtedness of Tribune to any subsidiary of Tribune. (subordinated
      indenture, Section 14.01)
 
  The subordinated indenture does not limit the ability of Tribune and its
subsidiaries to incur additional indebtedness, including indebtedness that
ranks senior in priority of payment to the subordinated debt securities.
 
Defeasance
 
  If provision is made pursuant to Section 3.01 of the applicable indenture for
the defeasance of a series of debt securities, and if that series is payable
only in United States dollars (unless otherwise specifically provided), we, at
our option, with regard to that series of debt securities:
 
    . will be discharged from any and all obligations in respect of those
      debt securities of that series (except for certain obligations to
      register the transfer or exchange of debt securities of that series,
      replace stolen, lost or mutilated debt securities of that series,
      maintain paying agencies and hold moneys for payment in trust); or
 
    . will not be subject to, among other things, the provisions of the
      indentures described above under "Consolidation, Merger and Sale of
      Assets," and the provisions of the senior indenture described above
      under "Limitation on Indebtedness Secured by a Mortgage," and
      "Limitation on Sale and Lease-Back Transactions,"
 
if we deposit with the trustee money or U.S. Government Obligations which will
provide sufficient funds to pay all the principal of, and interest on, the debt
securities of that series on the dates those payments are due. To exercise any
such option, we are required to deliver to the trustee:
 
    . an opinion of a nationally recognized tax counsel to the effect that
      the deposit and related defeasance would not cause the holders of the
      debt securities of that series to recognize income, gain or loss for
      federal income tax purposes as a result of our exercise of our option
      and would cause the holders of the debt securities of that series to
      be subject to federal income tax on the same amount and in the same
      manner and at the same times as
 
                                       12
<PAGE>
 
     would have been the case if we had not exercised that option, and, if
     we are being discharged from any and all obligations in respect of
     those debt securities (other than as specified above), accompanied by
     a ruling to that effect received from or published by the Internal
     Revenue Service; and
 
    . if the debt securities of that series are then listed on the New York
      Stock Exchange, an opinion of counsel to the effect that the debt
      securities of that series would not be delisted from the exchange as
      a result of the exercise of that option. (Sections 13.01 and 13.02)
 
The Trustee
 
  Bank of Montreal Trust Company, a wholly-owned subsidiary of Harris Trust and
Savings Bank, will be the trustee under the indentures. The trustee is a
depository for our funds and performs other services for us and transacts other
banking business with us in the normal course of business. Bank of Montreal, an
affiliate of the trustee, is a commercial lender under our credit facilities.
 
                            DESCRIPTION OF WARRANTS
 
  The following description of the terms of the warrants sets forth certain
general terms and provisions of the warrants to which any prospectus supplement
may relate. The particular terms of the warrants offered by any prospectus
supplement and the extent, if any, to which those general provisions may apply
to the warrants so offered will be described in the prospectus supplement
relating to those warrants.
 
General
 
  We may offer warrants together with any series of debt securities offered by
a prospectus supplement. Any warrants so offered will be attached to those debt
securities and will entitle the holder of the warrants to purchase additional
debt securities having the same terms and interest rate as the offered debt
securities. Each series of warrants will be issued under a separate warrant
agreement to be entered into between us and a bank or trust company, as warrant
agent, all as described in the prospectus supplement relating to that series of
warrants. The warrant agent will act solely as our agent under the applicable
warrant agreement and in connection with the certificates for the warrants,
which we refer to as the warrant certificates, of that series, and the warrant
agent will not assume any obligation or relationship of agency or trust for or
with any holders of those warrant certificates or beneficial owners of
warrants. A copy of the form of warrant agreement, including the form of
warrant certificates, is filed as an exhibit to the registration statement. The
following summary of certain provisions of the forms of warrant agreement and
warrant certificates does not purport to be complete and is subject to, and is
qualified in its entirety by reference to, all the provisions of the warrant
agreement and the warrant certificates.
 
  The prospectus supplement relating to a particular series of warrants, if
any, may contain the terms of those warrants, including, where applicable:
 
    . the offering price;
 
                                       13
<PAGE>
 
    . the currency or currencies in which those warrants are being offered;
 
    . the designation, aggregate principal amount, currency or currencies,
      denominations and other terms of the series of debt securities
      purchasable upon exercise of those warrants;
 
    . the designation and terms of the series of debt securities with which
      those warrants are being offered and the number of those warrants
      being offered with each such debt security;
 
    . the date on and after which those warrants and the related series of
      debt securities will be transferable separately;
 
    . the principal amount of the debt securities purchasable upon exercise
      of each such warrant and the price at which and currency or
      currencies in which that principal amount of debt securities may be
      purchased upon that exercise;
 
    . the date on which the right to exercise those warrants shall commence
      and the date on which that right shall expire; and
 
    . any other terms of those warrants not inconsistent with the
      applicable warrant agreement.
 
  Warrants of any series will be exchangeable into warrants of the same series
representing in the aggregate the number of warrants surrendered for exchange.
Warrant certificates may be presented for exchange or transfer at the corporate
trust office of the warrant agent for that series of warrants (or any other
office indicated in the prospectus supplement relating to that series of
warrants). Prior to the exercise of their warrants, holders of warrants will
not have any of the rights of holders of the series of debt securities
purchasable upon that exercise, including the right to receive payments of
principal of, premium, if any, or interest, if any, on the debt securities
purchasable upon that exercise, or to enforce any of the covenants in the
applicable indenture.
 
Exercise of Warrants
 
  Each warrant will entitle the holder thereof to purchase that principal
amount of the related series of debt securities at that exercise price as shall
in each case be set forth in, or calculable as set forth in, the prospectus
supplement relating to that warrant. Warrants of a series may be exercised at
the corporate trust office of the warrant agent for that series (or any other
office indicated in the prospectus supplement relating to that series) at any
time on or after the exercise date indicated in the prospectus supplement
relating to those warrants and prior to 5:00 P.M., Chicago time (unless
otherwise indicated in that prospectus supplement), on the expiration date set
forth in that prospectus supplement. After the close of business on the
expiration date relating to that series of warrants, unexercised warrants of
that series will be void.
 
  Warrants of a series may be exercised by delivery to the appropriate warrant
agent for payment, as provided in the prospectus supplement relating to that
series of warrants, of the consideration required to purchase the principal
amount of the series of debt securities purchasable upon that exercise,
together with certain information as set forth on the reverse side of the
warrant certificate evidencing those warrants. Those warrants will be deemed to
have been exercised upon receipt of the exercise price, subject to the receipt
of the warrant certificate evidencing those warrants within five business days.
Upon receipt of payment and a properly completed and duly executed warrant
 
                                       14
<PAGE>
 
certificate, at the corporate trust office of the appropriate warrant agent (or
any other office indicated in the prospectus supplement relating to that series
of warrants), we will, as soon as practicable, issue and deliver the principal
amount of the series of debt securities purchasable upon that exercise. If
fewer than all of the warrants represented by a warrant certificate are
exercised, a new warrant certificate will be issued and delivered for the
remaining amounts of warrants.
 
                              PLAN OF DISTRIBUTION
 
  We may sell the securities in any of four ways:
 
    .directly to purchasers;
 
    .through agents;
 
    .through dealers; or
 
    . through one or more underwriters or a syndicate of underwriters in an
      underwritten offering.
 
  With respect to each series of securities, the terms of any offering,
including the name or names of any underwriters, dealers or agents, the
purchase price of those securities and the proceeds to us from that sale, any
underwriting discounts, selling commissions and other items constituting
underwriters', dealers' or agents' compensation, any initial public offering
price and any discounts or concessions allowed or reallowed or paid to dealers
or agents, and any securities exchanges on which the securities of that series
may be listed, will be set forth in, or may be calculated from the information
set forth in, the related prospectus supplement. Underwriters named in the
prospectus supplement are deemed to be underwriters only in connection with the
securities offered by that prospectus supplement.
 
  If we sell securities through underwriters, the underwriters will acquire the
securities for their own account. The securities may be resold from time to
time in one or more transactions, including negotiated transactions, at a fixed
public offering price or at varying prices determined at the time of sale. The
securities may be offered to the public either through underwriting syndicates
represented by managing underwriters or by underwriters without a syndicate.
Unless otherwise set forth in the applicable prospectus supplement, the
obligations of the underwriters to purchase securities will be subject to
certain conditions precedent and the underwriters will be obligated to purchase
all the securities offered by the prospectus supplement if any of those
securities are purchased. Any initial public offering price and any discounts
or concessions allowed or reallowed or paid to dealers may be changed from time
to time.
 
  We may also sell the securities directly or through agents (which may also
act as principals) which we may designate from time to time. Any agent involved
in the offer or sale of the securities with regard to which this prospectus is
delivered will be named, and any commissions we may pay to that agent will be
set forth in, or may be calculated from the information set forth in, the
applicable prospectus supplement. Unless otherwise indicated in the applicable
prospectus supplement, any such agent will be acting on a best efforts basis
for the period of its appointment. In the case of sales we may directly make,
no commission will be payable.
 
                                       15
<PAGE>
 
  If so indicated in a prospectus supplement, we will authorize agents,
underwriters or dealers to solicit offers by certain specified institutions to
purchase securities from us at the public offering price set forth in that
prospectus supplement pursuant to delayed delivery contracts providing for
payment and delivery on a future date specified in the prospectus supplement.
Those contracts will be subject to the conditions set forth in the prospectus
supplement, and the prospectus supplement will set forth the commissions
payable for solicitation of those contracts.
 
  Agents and underwriters may be entitled under agreements entered into with us
to indemnification by us against certain civil liabilities, including
liabilities under the Securities Act, or to contribution with respect to
payments which the agents or underwriters may be required to make with respect
to those liabilities. Agents and underwriters may be customers of, engage in
transactions with, or perform services for us or our affiliates in the ordinary
course of business.
 
  In the event that the securities of any series are not listed on a national
securities exchange, certain broker-dealers may make a market in the securities
of that series, but will not be obligated to do so and may discontinue any
market making at any time without notice. We can give no assurance that any
broker-dealer will make a market in the securities or as to the liquidity of
the trading market for the securities. The prospectus supplement with respect
to the securities of any series will state, if known, whether or not any
broker-dealer intends to make a market in those securities. If no such
determination has been made, the prospectus supplement will so state.
 
                                 LEGAL MATTERS
 
  Certain legal matters relating to the securities will be passed upon for us
by Sidley & Austin, Chicago, Illinois, and for the underwriters and agents, if
any, by Mayer, Brown & Platt, Chicago, Illinois.
 
                                    EXPERTS
 
  The financial statements incorporated in this prospectus by reference to the
Annual Report on Form 10-K of the Company for the year ended December 27, 1998
have been so incorporated in reliance on the report of PricewaterhouseCoopers
LLP, independent accountants, given on the authority of that firm as experts in
auditing and accounting.
 
                      WHERE YOU CAN FIND MORE INFORMATION
 
  We file annual, quarterly and current reports, proxy statements, and other
information with the SEC. You may read and copy any document we file with the
SEC at the SEC's Public Reference Room at 450 Fifth Street, N.W., Washington,
D.C. 20549. You may obtain further information on the operation of the Public
Reference Room by calling the SEC at 1-800-SEC-0330. Our SEC filings are also
available to the public over the Internet at the SEC's web site at
http://www.sec.gov. In addition, you may inspect our SEC filings at the offices
of the New York Stock Exchange, 20 Broad Street, New York, New York 10005; the
Chicago Stock Exchange, 440 South LaSalle Street, Chicago, Illinois 60605; and
the Pacific Stock Exchange, 301 Pine Street, San Francisco, California 94104.
 
                                       16
<PAGE>
 
  The SEC allows us to incorporate by reference into this prospectus the
information we file with the SEC, which means that we can disclose important
information to you by referring you to those documents. The information
incorporated by reference is considered to be part of this prospectus, unless
we update or supersede that information by the information contained in this
prospectus or a prospectus supplement or by information that we file
subsequently with the SEC that is incorporated by reference into this
prospectus. We are incorporating by reference the following document that we
have filed with the SEC and our future filings of annual, quarterly and current
reports and proxy statements with the SEC until our offering of the securities
is completed:
 
    . Annual Report on Form 10-K for the year ended December 27, 1998.
 
  This prospectus is part of a registration statement we have filed with the
SEC relating to the securities. As permitted by SEC rules, this prospectus does
not contain all of the information included in the registration statement and
the accompanying exhibits and schedules we file with the SEC. You may refer to
the registration statement, exhibits and schedules for more information about
us and our securities. The registration statement, exhibits and schedules are
also available at the SEC's Public Reference Room or through its web site.
 
  You may obtain a copy of these filings, at no cost, by writing to or
telephoning us at the following address:
 
           Corporate Relations Department
           Tribune Company
           Suite 600
           435 North Michigan Avenue
           Chicago, Illinois 60611
           Telephone (312) 222-3238.
 
  You should rely only on the information incorporated by reference or provided
in this prospectus and the applicable prospectus supplement, and in any pricing
supplement. We have not authorized anyone to provide you with different
information. You should not assume that the information in this prospectus, any
applicable prospectus supplement or any pricing supplement is accurate as of
any date other than the date on the cover of the document. We are not making an
offer of the securities in any state in which the offer or sale is not
permitted.
 
                                       17
<PAGE>
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
Item 14. Other Expenses of Issuance and Distributions.*
 
<TABLE>
      <S>                                                              <C>
      Securities and Exchange Commission registration fee............. $417,000
      Accounting fees.................................................   50,000
      Trustee's fees and expenses.....................................   30,000
      Printing, distribution, and engraving fees......................   75,000
      Rating agency fees..............................................  200,000
      Legal fees and expenses.........................................   50,000
      Miscellaneous...................................................    8,000
                                                                       --------
          Total....................................................... $830,000
                                                                       ========
</TABLE>
- --------
*All amounts are estimated except for the Securities and Exchange Commission
   registration fee.
 
Item 15. Indemnification of Directors and Officers.
 
  Certain provisions of the General Corporation Law of the State of Delaware
(the "DGCL") provide that the Registrant may indemnify the directors and
officers of the Registrant and affiliated companies against liabilities and
expenses incurred by reason of the fact that such persons were serving in such
capacities, subject to certain limitations and conditions set forth in the
statute. Article TWELFTH of the Registrant's Restated Certificate of
Incorporation provides that the Registrant shall indemnify its directors and
officers to the fullest extent permitted by Delaware law. In accordance with
Section 102(b)(7) of the DGCL, the Registrant's Restated Certificate of
Incorporation provides that no directors of the Registrant shall be personally
liable to the Registrant or its stockholders for monetary damages for breach of
fiduciary duty as a director except for (i) breach of the director's duty of
loyalty to the Registrant or its stockholders, (ii) acts or omissions not in
good faith or which involve intentional misconduct or a knowing violation of
law, (iii) unlawful payment of dividends under Section 174 of the DGCL or (iv)
transactions from which the director derives an improper personal benefit.
 
  Pursuant to Section 145 of the DGCL and the Registrant's Restated Certificate
of Incorporation, the directors and officers of the Registrant are covered by
Directors and Officers Liability and Corporation Reimbursement insurance
policies.
 
  Reference is made to Section 7 of the form of Underwriting Agreement (filed
as Exhibit 1.1 to this Registration Statement) and Section 8 of the form of
Selling Agency Agreement (filed as Exhibit 1.2 to this Registration Statement),
which provide for indemnification of directors and officers of the Registrant
against certain liabilities, including liabilities under the Securities Act of
1933, in certain circumstances.
 
                                      II-1
<PAGE>
 
Item 16. Exhibits.
 
  Exhibits marked with an asterisk (*) are incorporated by reference to
documents previously filed by the Registrant with the Securities and Exchange
Commission, as indicated. All other documents listed are filed with this
Registration Statement.
 
<TABLE>
<CAPTION>
      Number                             Description
      ------                             -----------
      <C>    <S>
       *1.1  Form of proposed Underwriting Agreement (incorporated by reference
             to Exhibit 1.1 to the Registrant's Registration Statement on Form
             S-3, File No. 333-66077).
       *1.2  Form of proposed Selling Agency Agreement (incorporated by
             reference to Exhibit 1.2 to the Registrant's Registration
             Statement on Form S-3, File No. 333-66077).
       *4.1  Indenture dated as of January 1, 1997 between the Registrant and
             Bank of Montreal Trust Company pursuant to which the senior debt
             securities will be issued (incorporated by reference to Exhibit 4
             to the Registrant's Current Report on Form 8-K dated January 14,
             1997).
        4.2  Form of Indenture between the Registrant and Bank of Montreal
             Trust Company pursuant to which the subordinated debt securities
             will be issued.
       *4.3  Forms of proposed senior debt securities (incorporated by
             reference to Exhibit 4.2 to the Registrant's Registration
             Statement on Form S-3, File No. 333-66077).
        4.4  Form of proposed subordinated debt securities (to be filed either
             by amendment or as an exhibit to an Exchange Act Report and
             incorporated herein by reference).
       *4.5  Forms of proposed warrant agreement and warrant certificates
             (incorporated by reference to Exhibit 4.3 to the Registrant's
             Registration Statement on Form S-3, File No. 33-45793).
        5    Opinion of Sidley & Austin.
      *12    Statement of Computation of Ratios of Earnings to Fixed Charges
             (incorporated by reference to Exhibit 12 to the Registrant's
             Annual Report on Form 10-K for the year ended December 27, 1998).
       23.1  Consent of PricewaterhouseCoopers LLP.
       23.2  Consent of Sidley & Austin (included in Exhibit 5).
       24    Powers of Attorney (contained in the Signatures page to this
             Registration Statement).
       25.1  Form T-1 Statement of Eligibility of Bank of Montreal Trust
             Company under the Trust Indenture Act of 1939, as trustee under
             the senior indenture.
       25.2  Form T-1 Statement of Eligibility of Bank of Montreal Trust
             Company under the Trust Indenture Act of 1939, as trustee under
             the subordinated indenture.
</TABLE>
 
Item 17. Undertakings.
 
The Registrant hereby undertakes:
 
  (a) To file, during any period in which offers or sales are being made of
  the securities registered hereby, a post-effective amendment to this
  Registration Statement:
 
      (1) To include any prospectus required by Section 10(a)(3) of the
    Securities Act of 1933;
 
      (2) 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
 
                                      II-2
<PAGE>
 
    that which was registered) and any deviation from the low or high end
    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 a 20
    percent change in the maximum aggregate offering price set forth in the
    "Calculation of Registration Fee" table in the effective Registration
    Statement;
 
      (3) 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 the undertakings set forth in paragraphs (1) and
  (2) above do not apply if the information required to be included in a
  post-effective amendment by those paragraphs is contained in periodic
  reports filed with or furnished to the Commission by the Registrant
  pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of
  1934 that are incorporated by reference in this Registration Statement.
 
    (b) That, for the purpose of determining any liability under the
  Securities Act of 1933, each such 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 that time shall be deemed
  to be the initial bona fide offering thereof.
 
    (c) 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.
 
    (d) That, for purposes of determining any liability under the Securities
  Act of 1933, each filing of the Registrant's annual report pursuant to
  Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 (and,
  where applicable, each filing of an employee benefit plan's annual report
  pursuant to Section 15(d) of the Securities Exchange Act of 1934) 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 that time shall be deemed to be the
  initial bona fide offering thereof.
 
    (e) Insofar as indemnification for liabilities arising under the
  Securities Act of 1933 may be permitted to directors, officers and
  controlling persons of the Registrant pursuant to the provisions described
  under Item 15 above, or otherwise, the Registrant has been advised that in
  the opinion of the Securities and Exchange Commission such indemnification
  is against public policy as expressed in the Act and is, therefore,
  unenforceable. In the event that a claim for indemnification against such
  liabilities (other than the payment by the Registrant of expenses incurred
  or paid by a director, officer or controlling person of the Registrant 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 Registrant 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 Act and
  will be governed by the final adjudication of such issue.
 
    (f) To file, if necessary, an application for the purpose of determining
  the eligibility of the Trustee to act under subsection (a) of Section 310
  of the Trust Indenture Act of 1939 in accordance with the rules and
  regulations prescribed by the Securities and Exchange Commission under
  Section 305(b)(2) of such Act.
 
 
                                      II-3
<PAGE>
 
                                   SIGNATURES
 
  Pursuant to the requirements of the Securities Act of 1933, as amended, the
Registrant certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing this Registration Statement 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 City of Chicago, State of
Illinois, as of March 24, 1999.
 
                                          Tribune Company
 
                                                   /s/ John W. Madigan
                                          By: _________________________________
                                                      John W. Madigan
                                               Chairman, President and Chief
                                                     Executive Officer
 
  KNOW ALL BY THESE PRESENTS, that each person whose signature appears below
constitutes and appoints John W. Madigan and James C. Dowdle, and each of them,
his or her true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, in any and all capacities, to sign any or all
amendments (including post-effective amendments) to this Registration
Statement, including any filings under Rule 462 promulgated under the
Securities Act of 1933, as amended, 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 full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and
purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents, or their substitutes,
may lawfully do or cause to be done by virtue hereof.
 
  Pursuant to the requirements of the Securities Act of 1933, as amended, this
Registration Statement has been signed below by the following persons in the
capacities indicated as of March 24, 1999.
 
<TABLE>
<CAPTION>
                 Signature                                       Title
                 ---------                                       -----
<S>                                         <C>
           /s/ John W. Madigan
- -------------------------------------------
              John W. Madigan                   Chairman, President and Chief Executive
                                                          Officer and Director
                                                     (principal executive officer)
           /s/ James C. Dowdle
- -------------------------------------------
              James C. Dowdle                    Executive Vice President and Director
         /s/ Donald C. Grenesko
- -------------------------------------------
            Donald C. Grenesko                     Senior Vice President/Finance and
                                                             Administration
                                                     (principal financial officer)
</TABLE>
 
                                      II-4
<PAGE>
 
<TABLE>
<CAPTION>
                 Signature                                       Title
                 ---------                                       -----
<S>                                         <C>
           /s/ R. Mark Mallory
- -------------------------------------------
              R. Mark Mallory                        Vice President and Controller
                                                     (principal accounting officer)
         /s/ Diego E. Hernandez
- -------------------------------------------
            Diego E. Hernandez                                  Director
         /s/ Robert E. La Blanc
- -------------------------------------------
            Robert E. La Blanc                                  Director
         /s/ Nancy Hicks Maynard
- -------------------------------------------
            Nancy Hicks Maynard                                 Director
          /s/ Andrew J. McKenna
- -------------------------------------------
             Andrew J. McKenna                                  Director
           /s/ Kristie Miller
- -------------------------------------------
              Kristie Miller                                    Director
          /s/ James J. O'Connor
- -------------------------------------------
             James J. O'Connor                                  Director
         /s/ Donald H. Rumsfeld
- -------------------------------------------
            Donald H. Rumsfeld                                  Director
           /s/ Patrick G. Ryan
- -------------------------------------------
              Patrick G. Ryan                                   Director
           /s/ Dudley S. Taft
- -------------------------------------------
              Dudley S. Taft                                    Director
           /s/ Arnold R. Weber
- -------------------------------------------
              Arnold R. Weber                                   Director
</TABLE>
 
                                      II-5
<PAGE>
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
 Number                               Description
 ------                               -----------
 <C>    <S>
  1.1   Form of proposed Underwriting Agreement (incorporated by reference to
        Exhibit 1.1 to the Registrant's Registration Statement on Form S-3,
        File No. 333-66077).
  1.2   Form of proposed Selling Agency Agreement (incorporated by reference to
        Exhibit 1.2 to the Registrant's Registration Statement on Form S-3,
        File No. 333-66077).
  4.1   Indenture dated as of January 1, 1997 between the Registrant and Bank
        of Montreal Trust Company pursuant to which the senior debt securities
        will be issued (incorporated by reference to Exhibit 4 to the
        Registrant's Current Report on Form 8-K dated January 14, 1997).
  4.2   Form of Indenture between the Registrant and Bank of Montreal Trust
        Company pursuant to which the subordinated debt securities will be
        issued.
  4.3   Forms of proposed senior debt securities (incorporated by reference to
        Exhibit 4.2 to the Registrant's Registration Statement on Form S-3,
        File No. 333-66077).
  4.4   Form of proposed subordinated debt securities (to be filed either by
        amendment or as an exhibit to an Exchange Act Report and incorporated
        herein by reference).
  4.5   Forms of proposed warrant agreement and warrant certificates
        (incorporated by reference to Exhibit 4.3 to the Registrant's
        Registration Statement on Form S-3, File No. 33-45793).
  5     Opinion of Sidley & Austin.
 12     Statement of Computation of Ratios of Earnings to Fixed Charges
        (incorporated by reference to Exhibit 12 to the Registrant's Annual
        Report on Form 10-K for the year ended December 27, 1998).
 23.1   Consent of PricewaterhouseCoopers LLP.
 23.2   Consent of Sidley & Austin (included in Exhibit 5).
 24     Powers of Attorney (contained in the Signatures page to this
        Registration Statement).
 25.1   Form T-1 Statement of Eligibility of Bank of Montreal Trust Company
        under the Trust Indenture Act of 1939, as trustee under the senior
        indenture.
 25.2   Form T-1 Statement of Eligibility of Bank of Montreal Trust Company
        under the Trust Indenture Act of 1939, as trustee under the
        subordinated indenture.
</TABLE>

<PAGE>

                                                                     EXHIBIT 4.2


================================================================================
- --------------------------------------------------------------------------------



                               TRIBUNE COMPANY,

                                    Issuer

                                      and

                        BANK OF MONTREAL TRUST COMPANY,

                                    Trustee


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


                                   INDENTURE

                         Dated as of __________, 1999


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



                         SUBORDINATED DEBT SECURITIES


================================================================================
- --------------------------------------------------------------------------------
<PAGE>
 
          Reconciliation and tie between Trust Indenture Act of 1939 and
Indenture dated as of January 1, 1997 between Tribune Company and Bank of
Montreal Trust Company

<TABLE>
<CAPTION>
Trust Indenture
  Act Section                                      Indenture Section
- ---------------                                    -----------------
<S>                                                <C>
(S) 310 (a)(1)             .............................        6.09
     (a)(2)                .............................        6.09
     (a)(3)                .............................        Not Applicable
     (a)(4)                .............................        Not Applicable
     (a)(5)                .............................        6.09
     (b)                   .............................        6.08, 6.10
(S) 311 (a)                .............................        6.13(a)
     (b)                   .............................        6.13(b)
     (b)(2)                .............................        7.03(a)(2)
                           .............................        7.03(b)
(S) 312 (a)                .............................        7.01, 7.02(a)
     (b)                   .............................        7.02(b)
     (c)                   .............................        7.02(b)
(S) 313 (a)                .............................        7.03(a)
     (b)                   .............................        7.03(b)
     (c)                   .............................        7.03(a), 7.03(b)
     (d)                   .............................        7.03(c)
(S) 314 (a)                .............................        7.04
     (a)(4)                .............................        10.07
     (b)                   .............................        Not Applicable
     (c)(1)                .............................        1.02
     (c)(2)                .............................        1.02
     (c)(3)                .............................        Not Applicable
     (d)                   .............................        Not Applicable
     (e)                   .............................        1.02
(S) 315 (a)                .............................        6.01(a)
     (b)                   .............................        6.02
                           .............................        7.03(a)(6)
     (c)                   .............................        6.01(b)
     (d)                   .............................        6.01(c)
     (d)(1)                .............................        6.01(a), 601(c)
     (d)(2)                .............................        6.01(c)(2)
     (d)(3)                .............................        6.01(c)(3)
     (e)                   .............................        5.14
(S) 316 (a)......          .............................        1.01
     (a)(1)(A)..           .............................        5.02, 5.12
     (a)(1)(B)..           .............................        5.02, 5.13
     (a)(2).....           .............................        Not Applicable
     (b)........           .............................        5.08
     (c)........           .............................        1.04
</TABLE> 
                                      -i-

<PAGE>

<TABLE> 
<CAPTION> 
<S>                                                             <C> 
(S) 317 (a)(1)...          .............................        5.03
     (a)(2).....           .............................        5.04
     (b)........           .............................        10.03
(S) 318 (a)......          .............................        1.07
</TABLE>

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

                                     -ii-
<PAGE>
 
                               TABLE OF CONTENTS
<TABLE> 
<CAPTION> 
                                                                                 Page
                                                                                 ----

                            RECITALS OF THE COMPANY
                                   ARTICLE I

            DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

<S>               <C>                                                            <C>
SECTION 1.01.     Definitions.......................................................1
                  Act...............................................................2
                  Affiliate.........................................................2
                  Authenticating Agent..............................................2
                  Board of Directors................................................2
                  Board Resolution..................................................2
                  Business Day......................................................2
                  Commission........................................................2
                  Company...........................................................2
                  Company Request or Company Order..................................3
                  Corporate Trust Office............................................3
                  Corporation.......................................................3
                  Currency..........................................................3
                  Depository........................................................3
                  Discharged........................................................3
                  Dollar or $.......................................................3
                  Event of Default..................................................3
                  Fixed Rate Security...............................................3
                  Floating Rate Security............................................3
                  Foreign Currency..................................................3
                  Global Security...................................................4
                  Holder............................................................4
                  Indebtedness......................................................4
                  Indenture.........................................................4
                  Net Worth.........................................................4
                  Officers' Certificate.............................................4
                  Opinion of Counsel................................................4
                  Original Issue Discount Security..................................4
                  Outstanding.......................................................4
                  Paying Agent......................................................5
                  Person............................................................5
                  Predecessor Security..............................................5
                  principal.........................................................5
                  Redemption Date...................................................5
                  Redemption Price..................................................5
                  Responsible Officer...............................................5
                  Securities........................................................6
                  Security Register.................................................6
</TABLE>

                                     -iii-
<PAGE>
 
<TABLE>
<CAPTION>
<S>               <C>                                                               <C>
                  Senior Indebtedness............................................... 6
                  Significant Subsidiary............................................ 6
                  Subsidiary........................................................ 6
                  Trustee........................................................... 6
                  Trust Indenture Act............................................... 6
                  Vice President.................................................... 6
                  United States..................................................... 6
                  U.S. Government Obligations....................................... 6
SECTION 1.02.     Compliance Certificates and Opinions.............................. 7
SECTION 1.03.     Form of Documents Delivered to Trustee............................ 7
SECTION 1.04.     Acts of Holders................................................... 8
SECTION 1.05.     Notices, Etc., to Trustee and Company............................. 9
SECTION 1.06.     Notice to Holders; Waiver......................................... 9
SECTION 1.07.     Conflict with Trust Indenture Act.................................10
SECTION 1.08.     Effect of Headings and Table of Contents..........................10
SECTION 1.09.     Successors and Assigns............................................10
SECTION 1.10.     Separability Clause...............................................10
SECTION 1.11.     Benefits of Indenture.............................................10
SECTION 1.12.     Governing Law.....................................................11
SECTION 1.13.     Legal Holidays....................................................11
SECTION 1.14.     Incorporators, Stockholders, Officers and Directors Exempt from
                  Individual Liability..............................................11
</TABLE>

                                  ARTICLE II
                                SECURITY FORMS

<TABLE>
<CAPTION>
<S>               <C>                                                               <C>
SECTION 2.01.     Forms Generally...................................................11
SECTION 2.02.     Form of Trustee's Certificate of Authentication...................12
SECTION 2.03.     Securities Issuable in the Form of a Global Security..............12
</TABLE>

                                  ARTICLE III
                                THE SECURITIES

<TABLE>
<CAPTION>
<S>               <C>                                                               <C>
SECTION 3.01.     Amount Unlimited; Issuable in Series..............................15
SECTION 3.02.     Denominations.....................................................18
SECTION 3.03.     Execution, Authentication, Delivery and Dating....................18
SECTION 3.04.     Temporary Securities..............................................20
SECTION 3.05.     Registration, Registration of Transfer and Exchange...............20
SECTION 3.06.     Mutilated, Destroyed, Lost and Stolen Securities..................21
SECTION 3.07.     Payment of Interest; Interest Rights Preserved....................22
SECTION 3.08.     Persons Deemed Owners.............................................23
SECTION 3.09.     Cancellation......................................................23
SECTION 3.10.     Computation of Interest...........................................23
SECTION 3.11.     Currency of Payments in Respect of Securities.....................23
SECTION 3.12.     Judgments.........................................................24
</TABLE>

                                     -iv-
<PAGE>

<TABLE>
<CAPTION>
                                                                                  Page
                                                                                  ----
                                  ARTICLE IV
                          SATISFACTION AND DISCHARGE

<S>               <C>                                                               <C>
SECTION 4.01.     Satisfaction and Discharge of Indenture...........................24
SECTION 4.02.     Application of Trust Money........................................26
</TABLE> 

                                   ARTICLE V
                                   REMEDIES

<TABLE> 
<CAPTION> 
<S>               <C>                                                               <C>
SECTION 5.01.     Events of Default.................................................26
SECTION 5.02.     Acceleration of Maturity; Rescission and Annulment................28
SECTION 5.03.     Collection of Indebtedness and Suits for  Enforcement by Trustee..29
SECTION 5.04.     Trustee May File Proofs of Claim..................................30
SECTION 5.05.     Trustee May Enforce Claims Without Possession of Securities.......31
SECTION 5.06.     Application of Money Collected....................................31
SECTION 5.07.     Limitation on Suits...............................................32
SECTION 5.08.     Unconditional Right of Holders to Receive Principal, Premium
                  and Interest......................................................32
SECTION 5.09.     Restoration of Rights and Remedies................................33
SECTION 5.10.     Rights and Remedies Cumulative....................................33
SECTION 5.11.     Delay or Omission Not Waiver......................................33
SECTION 5.12.     Control by Holders................................................33
SECTION 5.13.     Waiver of Past Defaults...........................................34
SECTION 5.14.     Undertaking for Costs.............................................34
SECTION 5.15.     Waiver of Stay or Extension Laws..................................34
SECTION 5.16.     Duty to Accelerate................................................35
</TABLE>

                                  ARTICLE VI
                                  THE TRUSTEE
<TABLE>
<CAPTION>
<S>               <C>                                                               <C>
SECTION 6.01.     Certain Duties and Responsibilities...............................35
SECTION 6.02.     Notice of Defaults................................................36
SECTION 6.03.     Certain Rights of Trustee.........................................37
SECTION 6.04.     Not Responsible for Recitals or Issuance of Securities............38
SECTION 6.05.     May Hold Securities...............................................38
SECTION 6.06.     Money Held in Trust...............................................38
SECTION 6.07.     Compensation and Reimbursement....................................38
SECTION 6.08.     Disqualification; Conflicting Interests...........................39
SECTION 6.09.     Corporate Trustee Required; Eligibility...........................45
SECTION 6.10.     Resignation and Removal; Appointment of Successor.................45
SECTION 6.11.     Acceptance of Appointment by Successor............................47
SECTION 6.12.     Merger, Conversion, Consolidation or Succession to Business.......48
SECTION 6.13.     Preferential Collection of Claims Against Company.................48
SECTION 6.14.     Appointment of Authenticating Agent...............................52
</TABLE>

                                      -v-
<PAGE>
 
<TABLE> 
<CAPTION> 
                                                                                  Page
                                                                                  ----

                                  ARTICLE VII
               HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

<S>               <C>                                                              <C>
SECTION 7.01.     Company to Furnish Trustee Names and Addresses of Holders........54
SECTION 7.02.     Preservation of Information; Communications to Holders...........54
SECTION 7.03.     Reports by Trustee...............................................55
SECTION 7.04.     Reports by Company...............................................57
</TABLE>

                                 ARTICLE VIII
             CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

<TABLE>
<CAPTION>
<S>               <C>
SECTION 8.01.     Company May Consolidate, Etc., Only on Certain Terms.............57
SECTION 8.02.     Successor Corporation Substituted................................58
</TABLE>

                                  ARTICLE IX
                            SUPPLEMENTAL INDENTURES

<TABLE>
<CAPTION>
<S>               <C>                                                              <C>
SECTION 9.01.     Supplemental Indentures without Consent of Holders...............58
SECTION 9.02.     Supplemental Indentures with Consent of Holders..................60
SECTION 9.03.     Execution of Supplemental Indentures.............................61
SECTION 9.04.     Effect of Supplemental Indentures................................61
SECTION 9.05.     Conformity with Trust Indenture Act..............................61
SECTION 9.06.     Reference in Securities to Supplemental Indentures...............61
</TABLE>

                                   ARTICLE X
                                   COVENANTS

<TABLE>
<CAPTION>
<S>               <C>                                                              <C>
SECTION 10.01.    Payment of Principal, Premium and Interest.......................62
SECTION 10.02.    Maintenance of Office or Agency..................................62
SECTION 10.03.    Money for Securities Payments To Be Held in Trust................62
SECTION 10.04.    Corporate Existence..............................................63
SECTION 10.05.    Maintenance of Properties........................................64
SECTION 10.06.    Payment of Taxes and Other Claims................................64
SECTION 10.07.    Statement as to Compliance.......................................64
SECTION 10.08.    Waiver of Certain Covenants......................................65
</TABLE>

                                  ARTICLE XI
                           REDEMPTION OF SECURITIES
<TABLE>
<CAPTION>
<S>               <C>                                                              <C>
SECTION 11.01.    Applicability of Article.........................................65
SECTION 11.02.    Election to Redeem; Notice to Trustee............................65
SECTION 11.03.    Selection by Trustee of Securities to Be Redeemed................65
SECTION 11.04.    Notice of Redemption.............................................66
SECTION 11.05.    Deposit of Redemption Price......................................66
</TABLE>

                                     -vi-
<PAGE>

<TABLE>
<CAPTION>
                                                                                       Page
                                                                                       ----
<S>               <C>                                                                  <C>
SECTION 11.06.    Securities Payable on Redemption Date.................................67
SECTION 11.07.    Securities Redeemed in Part...........................................67
</TABLE>

                                  ARTICLE XII
                                 SINKING FUNDS

<TABLE>
<CAPTION>
<S>               <C>                                                                   <C>
SECTION 12.01.    Applicability of Article..............................................67
SECTION 12.02.    Satisfaction of Sinking Fund Payments with Securities.................68
SECTION 12.03.    Redemption of Securities for Sinking Fund.............................68
</TABLE>

                                 ARTICLE XIII
                                  DEFEASANCE
<TABLE>
<CAPTION>
<S>               <C>                                                                   <C>
SECTION 13.01.    Applicability of Article..............................................68
SECTION 13.02.    Defeasance upon Deposit of Moneys or U.S. Government
                  Obligations...........................................................69
SECTION 13.03.    Deposited Moneys and U.S. Government Obligations to Be Held in
                  Trust.................................................................70
SECTION 13.04.    Repayment to Company..................................................70
</TABLE>

                                  ARTICLE XIV
                                 SUBORDINATION
<TABLE>
<CAPTION>
<S>               <C>                                                                   <C>
SECTION 14.01.    Securities Subordinate to Senior Indebtedness.........................71
SECTION 14.02.    Payment Over of Proceeds upon Dissolution, Etc........................72
SECTION 14.03.    Prior Payment to Senior Indebtedness upon Acceleration of Securities..73
SECTION 14.04.    Default in Senior Indebtedness........................................74
SECTION 14.05.    Payment Permitted if No Default.......................................74
SECTION 14.06.    Subrogation Rights of Holders of Senior Indebtedness..................75
SECTION 14.07.    Provision Solely to Define Relative Rights............................75
SECTION 14.08.    Trustee to Effectuate Subordination...................................75
SECTION 14.09.    No Waiver of Subordination Provisions.................................76
SECTION 14.10.    Notice to Trustee.....................................................76
SECTION 14.11.    Reliance on Judicial Order or Certificate of Liquidating Agent........77
SECTION 14.12.    Trustee Not Fiduciary for Holders of Senior Indebtedness..............77
SECTION 14.13.    Rights of Trustee as Holder of Senior Indebtedness; Preservation of
                  Trustee's Rights......................................................78
SECTION 14.14.    Article XIV Applicable to Paying Agents...............................78
</TABLE>

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

                                     -vii-
<PAGE>
 
                  INDENTURE, dated as of __________, 1999 between Tribune
Company, a corporation duly organized and existing under the laws of the State
of Delaware (herein called the "Company"), having its principal office at 435
North Michigan Avenue, Chicago, Illinois 60611, and Bank of Montreal Trust
Company, a trust company 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 covenanted and agreed, for
the equal and proportionate benefit of all Holders of the Securities or of any
series thereof, as follows:


                                    ARTICLE I

             DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION

SECTION 1.01.              Definitions.

                  For all purposes of this Indenture and any indenture
supplemental hereto, 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 as of the date of this Indenture;

                  (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

                                      -1-
<PAGE>
 
         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; and

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

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

                  "Act," when used with respect to any Holder, has the meaning
specified in Section 1.04.

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

                  "Authenticating Agent" means, with respect to the Securities
of any series, any Person authorized by the Trustee to act on behalf of the
Trustee to authenticate the Securities of such series.

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

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

                  "Business Day" means each Monday, Tuesday, Wednesday, Thursday
and Friday which is not a day on which banking institutions in the City of
Chicago, State of Illinois or The City of New York, State of New York, are
authorized or obligated by law or regulation to close.

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

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


                                      -2-
<PAGE>
 
                  "Company Request" or "Company Order" means a written request
or order signed in the name of the Company by its Chairman of the Board, its
President and Chief Executive Officer, or a Vice President, and by its
Treasurer, an Assistant Treasurer, its Controller, an Assistant Controller, its
Secretary or an Assistant Secretary, and delivered to the Trustee.

                  "Corporate Trust Office" means the principal office of the
Trustee in The City of New York, New York, at which at any particular time its
corporate trust business shall be administered, which office at the date of
execution of this Indenture is located at 77 Water Street, New York, New York
10005.

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

                  "Currency" means Dollars or Foreign Currency.

                  "Depository" means unless otherwise specified by the Company
pursuant to either Sections 2.03 or 3.01, with respect to Securities of any
series issuable or issued as a Global Security, The Depository Trust Company,
New York, New York, or any successor thereto registered under the Securities and
Exchange Act of 1934, as amended, or other applicable statute or regulation.

                  "Discharged" has the meaning specified in Section 13.02.

                  "Dollar" or "$" means the currency of the United States that
at the time of payment is legal tender for the payment of public and private
debts.                                   

                  "Event of Default" has the meaning specified in Section 5.01.

                  "Fixed Rate Security" means a Security which provides for the
payment of interest at a fixed rate.

                  "Floating Rate Security" means a Security which provides for
the payment of interest at a variable rate determined periodically by reference
to an interest rate index specified pursuant to Section 3.01.

                  "Foreign Currency" means a currency issued by the government
of any country other than the United States or a composite currency the value of
which is determined by reference to the values of the currencies of any group of
countries.


                                      -3-
<PAGE>
 
                  "Global Security" means a Security issued to evidence all or a
part of any series of Securities which is executed by the Company and
authenticated and delivered by the Trustee to the Depository or pursuant to the
Depository's instruction, all in accordance with this Indenture and pursuant to
a Company Order, which shall be registered as to principal and interest in the
name of the Depository or its nominee.

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

                  "Indebtedness" has the meaning specified in Section 14.01.

                  "Indenture" means this instrument as originally executed or as
it may from time to time be supplemented or amended by one or more indentures
supplemental hereto entered into pursuant to the applicable provisions hereof
and shall include the terms of particular series of Securities established as
contemplated by Section 3.01.

                  "Net Worth" means the aggregate amount of stockholders'
investment as determined in accordance with generally accepted accounting 
principles.

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

                  "Opinion of Counsel" means a written opinion of counsel, who
may be counsel for the Company, and who shall be 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 the declaration of acceleration of the maturity thereof pursuant to
Section 5.02.

                  "Outstanding", when used with respect to Securities or any
series of Securities, means, as of the date of determination, all Securities or
all Securities of such series, as the case may be, theretofore authenticated and
delivered under this Indenture, except:

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

                  (2) Securities, or portions thereof, 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; and

                  (3) Securities which have been paid pursuant to Section 3.06
         or in exchange for or in lieu of which other Securities have been
         authenticated and

                                      -4-
<PAGE>
 
         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 any request, demand,
authorization, direction, notice, consent or waiver hereunder, (i) the principal
amount of an Original Issue Discount Security which shall be deemed to be
Outstanding for such purposes shall be the portion of the principal amount
thereof that could be declared to be due and payable upon the occurrence of an
Event of Default and the continuation thereof pursuant to the terms of such
Original Issue Discount Security as of such time and (ii) Securities owned by
the Company or any other obligor upon the Securities or any Affiliate of the
Company or of such other obligor shall be disregarded and deemed not to be
Outstanding, except that, in determining whether the Trustee shall be protected
in relying upon any such request, demand, authorization, direction, notice,
consent or waiver, only Securities which the Trustee knows to be so owned shall
be so disregarded. Securities so owned which have been pledged in good faith may
be regarded as Outstanding if the pledgee establishes to the satisfaction of the
Trustee the pledgee's right so to act with respect to such Securities and that
the pledgee is not the Company or any other obligor upon the Securities or any
Affiliate of the Company or of such other obligor.

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

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

                  "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 3.06 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" of a Security on any day and for any purpose means
the amount (including without limitation, in the case of an Original Issue 
Discount Security, any accrued original issue discount, but excluding interest) 
that is payable with respect to such Security as of such date and for such 
purpose (including without limitation, in connection with any sinking fund, upon
any redemption at the option of the Company upon any purchase or exchange at the
option of the Company or the holder of such Security and upon the acceleration 
of the maturity of such 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.

                  "Responsible Officer", when used with respect to the Trustee,
means the chairman or any vice chairman of the board of directors, the chairman
or any vice chairman of the executive committee of the board of directors, the
chairman of the trust committee, the president, any vice president, any
assistant vice president, the secretary, any assistant secretary, the treasurer,
any assistant treasurer, the cashier, any assistant cashier, any trust officer
or assistant trust officer, the

                                      -5-
<PAGE>
 
controller or any assistant controller or any other officer of the Trustee
customarily performing functions similar to those performed by any of the above
designated officers and also means, with respect to a particular corporate trust
matter, any other officer 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.

                  "Security Register" has the meaning specified in  Section
3.05.

                  "Senior Indebtedness" has the meaning specified in Section
14.01.

                  "Significant Subsidiary" has the meaning specified in  Section
5.01.

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

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

                  "Trust Indenture Act" means the Trust Indenture Act of 1939 as
in force at the date as of which this instrument was executed, except as
provided in Section 9.05.

                  "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".

                  "United States" means the United States of America (including
the District of Columbia), its territories, its possessions and other areas
subject to its jurisdiction.

                  "U.S. Government Obligations" has the meaning specified in
Section 13.02.

                                      -6-
<PAGE>
 
SECTION 1.02.              Compliance Certificates and Opinions.

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

                  Every certificate (other than any Officers' Certificate
delivered pursuant to Section 10.07) or opinion with respect to compliance with
a condition or covenant provided for in this Indenture shall include:

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

                  (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 1.03.              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 may be based, insofar as it relates
to factual

                                      -7-
<PAGE>
 
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,
or in the exercise of reasonable care should know, that the certificate or
opinion or representations with respect to such matters are erroneous.

                  Any certificate or opinion of an officer or opinion of counsel
may be based, insofar as it relates to any accounting matters, upon a
certificate or opinion of, or representations by, an accountant or firm of
accountants in the employ of the Company, unless such officer or counsel, as the
case may be, knows, or in the exercise of reasonable care should know, that the
certificate or opinion or representations with respect to such accounting
matters are erroneous. Any certificate or opinion of any independent firm of
public accountants filed with and directed to the Trustee shall contain a
statement that such firm is independent.

                  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 1.04.              Acts of Holders.

                  (a) Any request, demand, authorization, direction, notice,
consent, waiver or other action provided by this Indenture to be given or taken
by a specified percentage of Holders of one or more series then Outstanding may
be embodied in and evidenced by one or more instruments of substantially similar
tenor signed by such specified percentage of Holders in person or by an agent
duly appointed in writing; and, except as herein otherwise expressly provided,
such action shall become effective when such instrument or instruments is or 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 6.01) conclusive in favor of
the Trustee and the Company, if made in the manner provided in this Section.

                  (b) The fact and date of the execution by any Person of any
such instrument or writing may be proved by the affidavit of a witness of such
execution or by a certificate of a notary public or other officer authorized by
law to take 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.

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

                  (d) The Company may fix a record date for the purpose of
determining the identity of the Holders entitled to participate in any Act
authorized or permitted under this

                                      -8-
<PAGE>
 
Indenture, which record date shall be the later of (i) 10 days prior to the
first solicitation of the written instruments required for such Act or (ii) the
date of the most recent list of Holders furnished to the Trustee prior to such
solicitation pursuant to Section 7.01. If such a record date is fixed, the
Persons who were the Holders of the Securities of the affected series at the
close of business on such record date (or their duly authorized proxies) shall
be the only Persons entitled to execute written instruments with respect to such
Act, or to revoke any written instrument previously delivered, whether or not
such Persons shall continue to be Holders of the Securities of such series after
such record date. No such written instrument shall be valid or effective for
more than 150 days after such record date.

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

SECTION 1.05.              Notices, Etc., to Trustee and Company.

                  Any request, demand, authorization, direction, notice,
consent, waiver or other 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,
         or

                  (2) the Company by the Trustee or by any Holder shall be
         sufficient for every purpose hereunder (unless otherwise herein
         expressly provided) if in writing and mailed, first-class postage
         prepaid, to the Company addressed to the attention of its Secretary at
         435 North Michigan Avenue, Chicago, Illinois 60611, or at any other
         address previously furnished in writing to the Trustee by the Company.

                  Any such Act or other document shall be in the English
         language.

SECTION 1.06.              Notice to Holders; Waiver.

                  Where this Indenture provides for notice to Holders of any
event, such notice shall be sufficiently given (unless otherwise herein
expressly provided) if in writing and mailed, first-class postage prepaid, to
each Holder affected by such event, at his address as it appears in the Security
Register, not later than the latest date, and not earlier than the earliest
date, prescribed for the giving of such notice provided, however, that, in any
case, any notice to Holders of Floating Rate Securities regarding the
determination of a periodic rate of interest, if such notice is required
pursuant to Section 3.01, shall be sufficiently given if given in the manner
specified pursuant to Section 3.01. In any case where notice to Holders is given
by mail, neither

                                      -9-
<PAGE>
 
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 1.07.              Conflict with Trust Indenture Act.

                  If any provision hereof limits, qualifies or conflicts with
the duties imposed by operation of Section 318(c) of the Trust Indenture Act,
the imposed duties shall control. If any provision of this Indenture modifies or
excludes any provision of the Trust Indenture Act that may be so modified or
excluded, the latter provisions shall be deemed to apply to this Indenture as so
modified or excluded, as the case may be.

SECTION 1.08.              Effect of Headings and Table of Contents.

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

SECTION 1.09.              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 1.10.              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 1.11.              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.

                                      -10-
<PAGE>
 
SECTION 1.12.              Governing Law.

                  This Indenture and the Securities shall be governed by and
construed in accordance with the laws of the State of Illinois except as may be
otherwise required by mandatory provisions of law.

SECTION 1.13.              Legal Holidays.

                  Unless otherwise specified pursuant to Section 3.01, in any
case where the due date of interest on or principal of any Security or the date
fixed for redemption of any Security shall not be a Business Day then
(notwithstanding any other provision of this Indenture or of the Securities)
payment of interest or principal (and premium, if any) need not be made on such
date, but may be made on the next succeeding Business Day with the same force
and effect as if made on such due date or Redemption Date; provided that no
interest shall accrue for the period from and after such prior date.

SECTION 1.14.              Incorporators, Stockholders, Officers and Directors
                           Exempt from Individual Liability.

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


                                   ARTICLE II

                                 SECURITY FORMS

SECTION 2.01.              Forms Generally.

                  The Securities of each series shall be in substantially the
form or forms as shall be established by or pursuant to a Board Resolution or in
one or more indentures supplemental hereto, in each case with such appropriate
insertions, omissions, substitutions and other variations as are required or
permitted by this Indenture, and may have such letters, numbers or other marks
of identification and such legends or endorsements placed thereon as may be
required to comply with any law or with any rules made pursuant thereto or with
any rules of any securities exchange or all as may, consistently herewith, be
determined by the officers executing such Securities to be necessary or
appropriate, as evidenced by their execution of the Securities. If the form of
Securities of any series is established by action taken pursuant to a Board
Resolution, a copy of an

                                      -11-
<PAGE>
 
appropriate record of such action together with a true and correct copy of the
form of the Securities of such series approved by or pursuant to such Board
Resolution 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 3.03 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 2.02.              Form of Trustee's Certificate of Authentication.

                  The Trustee's certificate of authentication on all Securities
shall be in substantially the following form:

                  This is one of the Securities of the series designated
pursuant to the within-mentioned Indenture.


- -----------------------------                        ---------------------------
         as Trustee                                           as Trustee

                                       OR

By:                                                  By:
   --------------------------                           ------------------------
         Authorized Officer                             As Authenticating Agent


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

SECTION 2.03.              Securities Issuable in the Form of a Global Security.

                  (a) If the Company shall establish pursuant to Section 3.01
that the Securities of a particular series are to be issued in whole or in part
in the form of one or more Global Securities, then the Company shall execute and
the Trustee shall, in accordance with Section 3.03 and the Company Order
delivered to the Trustee thereunder, authenticate and deliver, such Global
Security or Securities, which (i) shall represent, and shall be denominated in
an amount equal to the aggregate principal amount of, the Outstanding Securities
of such series to be represented by such Global Security or Securities, (ii)
shall be registered in the name of the Depository for such Global Security or
Securities or its nominee, (iii) shall be delivered by the Trustee to the
Depository or pursuant to the Depository's instruction and (iv) shall bear a
legend substantially to the following effect: "THIS GLOBAL SECURITY MAY NOT BE
TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITORY OR BY A NOMINEE OF THE
DEPOSITORY TO THE DEPOSITORY OR ANOTHER NOMINEE OF THE DEPOSITORY OR BY THE

                                      -12-
<PAGE>
 
DEPOSITORY OR ANY SUCH NOMINEE TO A SUCCESSOR OF THE DEPOSITORY OR A NOMINEE OF
SUCH SUCCESSOR DEPOSITORY."

                  (b) Notwithstanding any other provision of this Section 2.03
or of Section 3.05, unless otherwise provided in the Global Security, a Global
Security may be transferred, in whole but not in part and in the manner provided
in Section 3.05, only to the Depository or another nominee of the Depository for
such Global Security, or to a successor Depository for such Global Security
selected or approved by the Company or to a nominee of such successor
Depository. Except as provided below, owners solely of beneficial interests in a
Global Security shall not be entitled to receive physical delivery of the
Securities represented by such Global Security and will not be considered the
Holders thereof for any purpose under the Indenture.

                  (c) If at any time the Depository for a Global Security
notifies the Company that it is unwilling or unable to continue as Depository
for such Global Security or if at any time the Depository for the Securities for
such series shall no longer be eligible or in good standing under the Securities
Exchange Act of 1934, as amended, or other applicable statute or regulation, the
Company shall appoint a successor Depository with respect to such Global
Security. If a successor Depository for such Global Security is not appointed by
the Company within 90 days after the Company receives such notice or becomes
aware of such ineligibility, the Company's election pursuant to Section 3.01(16)
shall no longer be effective with respect to such Global Security and the
Company will execute, and the Trustee, upon receipt of a Company Order for the
authentication and delivery of individual Securities of such series in exchange
for such Global Security, will authenticate and deliver individual Securities of
such series of like tenor and terms in definitive form in an aggregate principal
amount equal to the principal amount of the Global Security in exchange for such
Global Security.

                  (d) The Company may at any time and in its sole discretion
determine that the Securities of any series issued or issuable in the form of
one or more Global Securities shall no longer be represented by such Global
Security or Securities. In such event the Company will execute, and the Trustee,
upon receipt of a Company Order for the authentication and delivery of
individual Securities of such series in exchange in whole or in part for such
Global Security, will authenticate and deliver individual Securities of such
series of like tenor and terms in definitive form in an aggregate principal
amount equal to the principal amount of such Global Security or Securities
representing such series in exchange for such Global Securities or Securities.

                  (e) A Global Security will also be exchangeable if there shall
have occurred and is continuing an Event of Default or an event which, with the
giving of notice or lapse of time or both, would constitute an Event of Default
with respect to the Securities of such series represented by such Global
Security. In such event the Company will execute, and the Trustee, upon receipt
of a Company Order for the authentication and delivery of individual Securities
of such series in exchange in whole or in part for such Global Security, will
authenticate and deliver individual Securities of such series of like tenor and
terms in definitive form in an aggregate principal amount equal to the principal
amount of such Global Security or Securities representing such series in
exchange for such Global Securities or Securities.

                                      -13-
<PAGE>
 
                  (f) If specified by the Company pursuant to Section 3.01 with
respect to Securities issued or issuable in the form of a Global Security, the
Depository for such Global Security may surrender such Global Security in
exchange in whole or in part for individual Securities of such series of like
tenor and terms in definitive form on such terms as are acceptable to the
Company and such Depository. Thereupon the Company shall execute, and the
Trustee shall authenticate and deliver, without service charge, (1) to each
Person specified by such Depository a new Security or Securities of the same
series of like tenor and terms and of any authorized denominations as requested
by such Person or the Depository in aggregate principal amount equal to and in
exchange for such Person's beneficial interest in the Global Security; and (2)
to such Depository a new Global Security of like tenor and terms and in a
denomination equal to the difference, if any, between the principal amount of
the surrendered Global Security and the aggregate principal amount of Securities
delivered to Holders thereof.

                  (g) Upon issuance, all Securities with identical terms and
held by the Depository on behalf of its participants will be represented by one
Global Security and be deposited with the Depository and registered in the name
of a nominee of the Depository. The Company may request the Trustee at any time
to consolidate two or more outstanding Global Securities having identical terms
and for which interest has been paid to the same date.

                  (h) In any exchange provided for in any of the preceding five
paragraphs, the Company will execute and the Trustee will authenticate and
deliver individual fully registered Securities in authorized denominations,
provided that the definitive Securities so issued in exchange for a Global
Security shall be in denominations of $100,000 and any aggregate principal
amount and tenor as the portion of such Global Security to be exchanged, and
provided further that, unless the Company agrees otherwise, Securities in
certificated registered form will be issued in exchange for a Global Security,
or any portion thereof, only if such Securities in certificated registered form
were requested by written notice to the Trustee or the Securities Registrar by
or on behalf of a person who is beneficial owner of an interest thereof given
through the Holder hereof. Except as provided above, owners of beneficial
interest in a Global Security will not be entitled to receive physical delivery
of Securities in certificated registered form and will not be considered the
Holders thereof for any purpose under the Indenture. 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. Upon the exchange of a Global Security
for individual Securities, such Global Security shall be cancelled by the
Trustee. Securities issued in exchange for a Global Security pursuant to this
Section 2.03 shall be registered in such names and in such authorized
denominations as the Depository for such Global Security, pursuant to the
instructions from its direct or indirect participants or otherwise, shall
instruct the Trustee. The Trustee shall deliver such Securities to the persons
in whose names such Securities are so registered.

                  (i) Members in and participants of the Depository shall have
no rights under the Indenture with respect to any Global Security held on their
behalf by a Depository, and such Depository may be treated by the Company, the
trustee and any agent of the Company or the Trustee as the owner of such Global
Security for all purposes whatsoever.


                                      -14-
<PAGE>
 
                  (j) Any Company Order delivered pursuant to Section 3.03 by
the Company with respect to the authentication, exchange, endorsement or
delivery or redelivery of a Global Security shall be in writing, signed by any
one of the officers enumerated under the definition of "Company Order" contained
in Section 1.01 or by any officer authorized by a previously delivered Company
Order, but need not comply with Section 1.02 and need not be accompanied by an
Opinion of Counsel.


                                   ARTICLE III

                                 THE SECURITIES

SECTION 3.01.              Amount Unlimited; Issuable in Series.

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

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

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

                  (2) any limit upon the aggregate principal amount of the
         Securities of the series which may be authenticated and delivered under
         this Indenture (except for Securities authenticated and delivered upon
         registration of transfer of, or in exchange for, or in lieu of, other
         Securities of the series pursuant to Sections 2.03, 3.04, 3.05, 3.06,
         9.06 or 11.07);

                  (3) the formula, if any, by which the principal amount of 
         Securities of the series outstanding may be determined from time to 
         time;

                  (4) the date or dates on which or periods during which the
         Securities of the series may be issued and the date or dates on which
         or the range of dates within which the principal of (and premium, if
         any, on) the Securities of the series are or may be payable;

                  (5) the rate or rates or the methods of determination thereof
         at which the Securities of the series shall bear interest, if any, the
         date or dates from which such interest shall accrue and the dates on
         which such interest shall be payable and the record date for the
         interest payable on any such interest date;

                  (6) the place or places, if any, in addition to the City of
         Chicago, where the principal of (and premium, if any) and interest on
         Securities of the series shall be payable;

                                      -15-
<PAGE>
 
                  (7) the period or periods within which or the dates on which,
         the price or prices at which and the terms and conditions upon which
         Securities of the series may be redeemed, in whole or in part, at the
         option of the Company and/or the method by which such period or
         periods, dates, price or prices and terms and conditions shall be
         determined;

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

                  (9) provisions, if any, for the defeasance of Securities of
         the Series;

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

                  (11) if other than the principal amount thereof, the portion
         of the principal amount of Securities of the series which shall be
         payable upon declaration of acceleration of the maturity thereof
         pursuant to Section 5.02 or the method by which such portion shall be
         determined; and

                  (12) if other than Dollars, the Foreign Currency in which
         Securities of the series shall be denominated, or in which payment of
         the principal of (and premium, if any) and interest on the Securities
         of the series may be made or the method by which such Foreign Currency
         shall be determined;

                  (13) if the principal of (and premium, if any) or interest on
         Securities of the series are to be payable, at the election of the
         Company or a Holder thereof, in a Currency other than that in which the
         Securities are denominated or stated to be payable without such
         election, the periods within which and the terms and conditions upon
         which, such election may be made and the time and the manner of
         determining the exchange rate between the Currency in which the
         Securities are denominated or payable without such election and the
         Currency in which the Securities are to be paid if such election is
         made;

                  (14) if the amount of payments of principal (and premium, if
         any) or interest on the Securities of the series may be determined with
         reference to one or more securities issued by the Company or another
         company or to an index including, but not limited to, an index based on
         a Currency or Currencies other than that in which the Securities are
         payable, or any other type of index, the manner in which such amounts
         shall be determined;

                                      -16-
<PAGE>
 
                  (15) if the Securities of the series are denominated or
         payable in a Foreign Currency, any other terms concerning the payment
         of principal of (premium, if any) or any interest on such Securities
         (including the Currency or Currencies of payment thereof);

                  (16) the right, if any, of the Company to defer payments of
         interest by extending the interest payment periods by a period of time
         to be determined by the Company, the dates on which such payment of
         interest shall be payable and whether and under what circumstances
         additional interest on amounts deferred shall be payable;

                  (17) any additional Events of Default or covenants provided
         for with respect to Securities of the series or any Events of Default
         or covenants herein specified which shall not be applicable to the
         Securities of the series;

                  (18) whether the Securities of the series shall be issued in
         whole or in part in the form of a Global Security or Securities; the
         terms and conditions, if any, upon which such Global Security or
         Securities may be exchanged in whole or in part for other individual
         Securities or for other Global Securities; and the Depository for such
         Global Security or Securities;

                  (19) whether the Securities of the series are to be issuable
         in definitive form (whether upon original issuance or upon exchange of
         a temporary Security of the series) only upon receipt of certain
         certificates or other documents or satisfaction of other conditions,
         and, if so, the form and terms of such certificates, documents or
         conditions; and

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

                  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 such Board Resolution and set forth in such Officers' Certificate
or in any such indenture supplemental hereto. All Securities of any series need
not be issued at the same time and may be issued from time to time, consistent
with the terms of this Indenture, if so provided by or pursuant to such Board
Resolution and set forth in such Officer's Certificate or in any such indenture
supplemental hereto.

                  At the option of the Company, interest on the Securities of
any series that bears interest may be paid by mailing a check to the address of
the person entitled thereto as such address shall appear in the Security
Register.

                  If any of the terms of the series are established by action
taken pursuant to a Board Resolution, 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.

                                      -17-
<PAGE>
 
SECTION 3.02.              Denominations.

                  The Securities of each series shall be issuable in registered
form without coupons in such denominations as shall be specified as contemplated
by Section 3.01. In the absence of any such provisions with respect to the
Securities of any series, the Securities of such series shall be issuable in
denominations of $1,000 and any integral multiple thereof and shall be payable
only in Dollars.

SECTION 3.03.              Execution, Authentication, Delivery and Dating.

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

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

                  At any time and from time to time after the execution and
delivery of this Indenture, the Company may deliver Securities of any series
executed by the Company to the Trustee for authentication, together with a
Company Order for the authentication and delivery of such Securities, and the
Trustee in accordance with the Company Order and subject to the provisions
hereof shall authenticate and deliver such Securities. If the form or terms of
the Securities of the series have been established in or pursuant to one or more
Board Resolutions as permitted by Sections 2.01 and 3.01, 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 6.01) shall be fully protected in relying upon, an Opinion
of Counsel stating that:

                  (1) all instruments furnished by the Company to the Trustee in
         connection with the authentication and delivery of such Securities
         conform to the requirements of this Indenture and constitute sufficient
         authority hereunder for the Trustee to authenticate and deliver such
         Securities;

                  (2) the form of such Securities has been established in
         conformity with the provisions of this Indenture;

                  (3) the terms of such Securities have been established in
         conformity with the provisions of this Indenture;

                  (4) in the event that the form or terms of such Securities
         have been established in a supplemental indenture, the execution and
         delivery of such supple-

                                      -18-
<PAGE>
 
         mental indenture have been duly authorized by all necessary corporate
         action of the Company, such supplemental indenture has been duly
         executed and delivered by the Company and, assuming due authorization,
         execution and delivery by the Trustee, is a valid and binding
         obligation enforceable against the Company in accordance with its
         terms, subject to applicable bankruptcy, insolvency and similar laws
         affecting creditors' rights generally and subject, as to
         enforceability, to general principles of equity (regardless of whether
         enforcement is sought in a proceeding in equity or at law);

                  (5) the execution and delivery of such Securities have been
         duly authorized by all necessary corporate action of the Company and
         such Securities have been duly executed by the Company and, assuming
         due authentication by the Trustee and delivery by the Company, are the
         valid and binding obligations of the Company enforceable against the
         Company in accordance with their terms, entitled to the benefit of the
         Indenture, subject to applicable bankruptcy, insolvency and similar
         laws affecting creditors' rights generally and subject, as to
         enforceability, to general principles of equity (regardless of whether
         enforcement is sought in a proceeding in equity or at law); and

                  (6) the amount of Outstanding Securities of such series,
         together with the amount of such Securities, does not exceed any limit
         established under the terms of this Indenture on the amount of
         Securities of such series that may be authenticated and delivered.

                  In the event that all Securities of a series are not issued at
the same time, the Trustee shall authenticate and deliver the Securities of such
series executed and delivered by the Company for original issuance upon receipt
of an order of the Company (which need not comply with Section 1.02 hereof),
signed by an officer or employee of the Company identified to the Trustee in an
Officers' Certificate, if the Trustee has previously received the Company Order
and Opinion of Counsel referred to in the third paragraph of this Section 3.03
with respect to the issuance of any Securities of such series.

                  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.

                  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 and is entitled to
the benefits of this Indenture.

                                      -19-
<PAGE>
 
SECTION 3.04.              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 for that series, without
charge to the Holder. Upon surrender for cancellation of any one or more
temporary Securities of any series the Company shall execute and the Trustee
shall authenticate and deliver in exchange therefor a like principal amount of
definitive Securities of the same series of authorized denominations. Until so
exchanged the temporary Securities of any series shall in all respects be
entitled to the same benefits under this Indenture as definitive Securities of
such series.

SECTION 3.05.              Registration, Registration of Transfer and Exchange.

                  The Company or the Trustee shall keep a register (the
"Security Register") in which, subject to such reasonable regulations as the
Company or the Trustee may prescribe, the Company or the Trustee shall provide
for the registration of Securities and of transfers of Securities.

                  Upon surrender for registration of transfer of any Security of
any series at the office or agency designated by the Company 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 a like aggregate
principal amount.

                  At the option of the Holder, subject to Section 2.03,
Securities of any series may be exchanged for other Securities of the same
series, of any authorized denominations and of a like aggregate principal
amount, upon surrender of the Securities to be exchanged at such office or
agency. Whenever any Securities are so surrendered for exchange, the Company
shall execute, and the Trustee shall authenticate and deliver, the Securities
which the Holder making the exchange is entitled to receive.

                  All Securities issued upon any registration of transfer or
exchange of Securities shall be the valid obligations of the Company, evidencing
the same debt, and entitled to the same

                                      -20-
<PAGE>
 
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 or any registrar with respect to such series of
Securities, 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 or the Trustee 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 3.04, 9.06 or 11.07 not
involving any transfer.

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

                  None of the Company, the Trustee, any Paying Agent or the
Securities Registrar will have any responsibility or liability for any aspect of
the Depository's records relating to or payment made on account of beneficial
ownership interests in a Global Security or for maintaining, supervising or
reviewing any records relating to such beneficial ownership interests.

SECTION 3.06.              Mutilated, Destroyed, Lost and Stolen Securities.

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

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


                                      -21-
<PAGE>
 
                  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 3.07.              Payment of Interest; Interest Rights Preserved.

                  Interest on any Security which is payable, and is punctually
paid or duly provided for, on any interest payment date shall be paid to the
Person in whose name that Security (or one or more Predecessor Securities) is
registered at the close of business on the record date (as hereinafter defined)
for such interest notwithstanding the cancellation of such Security upon the
registration of transfer or exchange subsequent to the record date and prior to
such interest payment date; provided, however, that if and to the extent that
the Company shall default in the payment of the interest due on such interest
payment date, such defaulted interest shall be paid to the Persons in whose
names outstanding Securities are registered at the close of business on a
subsequent record date established by notice given by mail by and on behalf of
the Company to the Holders of Securities not less than fifteen days preceding
such subsequent record date, such record date to be not less than ten days
preceding the date of payment of such defaulted interest. The term "record date"
as used in this Section 3.07 with respect to any regular interest payment date
shall mean such day preceding such interest payment date as may have been
established as the record date with respect to an interest payment date for
Securities of such series in a Board Resolution in accordance with Section 3.01
hereof. The Company may also make payment of any defaulted interest in any other
lawful manner not inconsistent with the requirements of any securities exchange
in which the 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 sentence, such manner of payment shall be
deemed practicable by the Trustee.

                                      -22-
<PAGE>
 
SECTION 3.08.              Persons Deemed Owners.

                  Prior to due presentment of a Security for registration of
transfer, the Company, the Trustee and any agent of the Company or the Trustee
may treat the Person in whose name such Security is registered as the owner of
such Security for the purpose of receiving payment of principal of (and premium,
if any) and (subject to Section 3.07) 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 3.09.              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; provided, however, that if
surrendered to any Authenticating Agent, such Securities shall be promptly
cancelled by such Authenticating Agent and forwarded to the Trustee. 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 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 as directed by a Company Order; provided
that the Trustee shall not be required to dispose of securities in a manner
deemed impracticable by the Trustee.

SECTION 3.10.              Computation of Interest.

                  Except as otherwise specified as contemplated by Section 3.01
for Securities of any series, interest on the Securities of each series shall be
computed on the basis of a year of twelve 30-day months.

SECTION 3.11.              Currency of Payments in Respect of Securities.

                  (a) Except as otherwise specified pursuant to Section 3.01,
payment of the principal of (and premium, if any) and interest on Securities of
any series will be made in Dollars.

                  (b) For purposes of any provision of the indenture where the
Holders of Outstanding Securities may perform an Act which requires that a
specified percentage of the Outstanding Securities of all series perform such
Act and for purposes of any decision or determination by the Trustee of amounts
due and unpaid for the principal (and premium, if any) and interest on the
Securities of all series in respect of which moneys are to be disbursed ratably,
the principal of (and premium, if any) and interest on the Outstanding
Securities denominated in a Foreign Currency will be the amount in Dollars based
upon exchange rates determined as specified pursuant to Section 3.01 for
Securities of such series, as of the date for determining

                                      -23-
<PAGE>
 
whether the Holders entitled to perform such Act have performed it, or as of the
date of such decision or determination by the Trustee, as the case may be.

                  (c) Any decision or determination to be made by the Trustee
regarding exchange rates may be made instead by an agent appointed by the
Trustee and acceptable to the Company; provided that such agent shall accept
such appointment in writing and the terms of such appointment shall be
acceptable to the Company and shall, in the opinion of the Company and the
Trustee at the time of such appointment, require such agent to make such
determination by a method consistent with the method provided pursuant to
Section 3.01 for the making of such decision or determination. All decisions and
determinations of the Trustee or the agent regarding exchange rates shall be in
its sole discretion and shall, in the absence of manifest error, be conclusive
for all purposes and irrevocably binding upon the Company and all Holders of the
Securities.

SECTION 3.12.              Judgments.

                  The Company may provide pursuant to Section 3.01 for
Securities of any series that the obligation, if any, of the Company to pay the
principal of (and premium, if any) and interest on the Securities of any series
in a Foreign Currency or Dollars (the "Designated Currency") as may be specified
pursuant to Section 3.01 is of the essence and thereby agree that, to the
fullest extent possible under applicable law, judgments in respect of such
Securities shall be given in the Designated Currency. In such event, the
obligation of the Company to make payments in the Designated Currency of the
principal of (and premium, if any) and interest on such Securities shall,
notwithstanding any payment in any other Currency (whether pursuant to a
judgment or otherwise), be discharged only to the extent of the amount of the
Designated Currency that the Holder receiving such payment may, in accordance
with normal banking procedures, purchase with the sum paid in such other
Currency (after any premiums and cost of exchange) on the Business Day in the
country of issue of the Designated Currency immediately following the day on
which such Holder receives such payment. If the amount in the Designated
Currency that may be so purchased for any reason falls short of the amount
originally due, the Company shall pay such additional amounts as may be
necessary to compensate for such shortfall, and any obligation of the Company
not discharged by such payment shall be due as a separate and independent
obligation and, until discharged as provided herein, shall continue in full
force and effect.


                                   ARTICLE IV

                           SATISFACTION AND DISCHARGE

SECTION 4.01.              Satisfaction and Discharge of Indenture.

                  This Indenture, with respect to the Securities of any series
(if all series issued under this Indenture are not to be affected), shall upon
Company Request cease to be of further effect (except as to any surviving rights
of registration of transfer or exchange of Securities herein

                                      -24-
<PAGE>
 
expressly provided for), and the Trustee, at the expense of the Company, shall
execute proper instruments acknowledging satisfaction and discharge of this
Indenture, when

                  (1)      either

                           (A) all Securities theretofore authenticated and
                  delivered (other than (i) Securities which have been
                  destroyed, lost or stolen and which have been replaced or paid
                  as provided in Section 3.06 and (ii) Securities for whose
                  payment money has theretofore been deposited in trust or
                  segregated and held in trust by the Company and thereafter
                  repaid to the Company or discharged from such trust, as
                  provided in Section 10.03) have been delivered to the Trustee
                  for cancellation; or

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

                                    (i)  have become due and payable, or

                                    (ii) will become due and payable at their
                           stated maturity within one year, or

                                    (iii) if the Securities of such series are
                           denominated and payable only in Dollars (except as
                           provided pursuant to Section 3.01) and such
                           Securities 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 an amount in Dollars sufficient
                  to pay and discharge the entire indebtedness on such
                  Securities not theretofore delivered to the Trustee for
                  cancellation, for principal (and premium, if any) and interest
                  to the date of such deposit (in the case of Securities which
                  have become due and payable) or to the stated maturity or
                  Redemption Date, as the case may be;

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

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


                                      -25-
<PAGE>
 
In the event there are Securities of two or more series hereunder, the Trustee
shall be required to execute an instrument acknowledging satisfaction and
discharge of this Indenture only if requested to do so with respect to
Securities of all series as to which it is Trustee and if the other conditions
thereto are met. In the event there are two or more Trustees hereunder, then the
effectiveness of any such instrument shall be conditioned upon receipt of such
instruments from all Trustees hereunder.

                  Notwithstanding the satisfaction and discharge of this
Indenture, the obligations of the Company to the Trustee under Section 6.07, the
obligations of the Trustee to any Authenticating Agent under Section 6.14 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 4.02
and the last paragraph of Section 10.03 shall survive.

SECTION 4.02.              Application of Trust Money.

                  Subject to the provisions of the last paragraph of Section
10.03, all money deposited with the Trustee pursuant to Section 4.01 shall be
held in trust and applied by it, in accordance with the provisions of the
Securities and this Indenture, to the payment, either directly or through any
Paying Agent (including the Company acting as its own Paying Agent) as the
Trustee may determine, to the Persons entitled thereto, of the principal (and
premium, if any) and interest for whose payment such money has been deposited
with the Trustee.


                                    ARTICLE V

                                    REMEDIES

SECTION 5.01.              Events of Default.

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

                  (1) default in the payment of any interest upon any Security
         of that series when it becomes due and payable, and continuance of such
         default for a period of 30 days; provided, however, that a valid
         extension of an interest payment period by the Company in accordance
         with the terms of the Securities of such series shall not constitute a
         default in the payment of interest for this purpose; or

                  (2) default in the payment of the principal of (or premium, if
         any, on) any Security of that series when due and payable as therein or
         herein provided whether at its maturity or upon acceleration,
         redemption or otherwise; or


                                      -26-
<PAGE>
 
                  (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 5.01 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 60 days after there has been given, by
         registered or certified mail, to the Company by the Trustee or to the
         Company and the Trustee by the Holders of at least 25% in principal
         amount of the Outstanding Securities of that series a written notice
         specifying such default or breach and requiring it to be remedied and
         stating that such notice is a "Notice of Default" hereunder; or

                  (5) the entry by a court having jurisdiction in the premises
         of (A) a decree or order for relief in respect of the Company or any
         Significant Subsidiary in an involuntary case or proceeding under any
         applicable Federal or State bankruptcy, insolvency, reorganization or
         other similar law now or hereafter in effect or (B) a decree or order
         adjudging the Company or any Significant Subsidiary a bankrupt or
         insolvent, or approving as properly filed a petition seeking
         reorganization, arrangement, adjustment or composition of or in respect
         of the Company or any Significant Subsidiary under any applicable
         Federal or State law, or appointing a custodian, receiver, liquidator,
         assignee, trustee, sequestrator or other similar official of the
         Company or a Significant Subsidiary 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

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

                                      -27-
<PAGE>
 
         Company or any Significant Subsidiary of an assignment for the benefit
         of creditors, or the Company or any Significant Subsidiary shall fail
         generally to pay its debts as they become due, or the taking of
         corporate action by the Company or any Significant Subsidiary in
         furtherance of any such action; or

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

                  For purposes of this Section 5.01 the term "Significant
Subsidiary" shall mean any Subsidiary (i) which, as of the close of the fiscal
year of the Company immediately preceding the date of any determination
hereunder, contributed more than 7% of the consolidated gross operating revenues
of the Company and its Subsidiaries, or (ii) the Net Worth of which (determined
in a manner consistent with the manner of determining consolidated Net Worth of
the Company and its Subsidiaries) as of the close of such immediately preceding
fiscal year exceeded 7% of the consolidated Net Worth of the Company and its
Subsidiaries.

SECTION 5.02.              Acceleration of Maturity; Rescission and Annulment.

                  If an Event of Default with respect to Securities of any
series at the time Outstanding, occurs and is continuing, then in every such
case, unless the principal of all of the Securities of such series shall have
already become due and payable, the Trustee or the Holders of not less than 25%
in principal amount of the Outstanding Securities of that series may declare the
principal amount (or, in the case of certain Securities which provide for less
than the entire principal amount thereof to be due and payable upon a
declaration of acceleration of the maturity thereof pursuant to this Section
5.02, such portion of the principal amount as may be specified in the terms of
that series of Securities) and the interest accrued thereon of all of the
Securities of that series to be due and payable immediately, by a notice in
writing to the Company (and to the Trustee if given by Holders), and upon any
such declaration such principal amount (or specified amount) and interest
accrued thereon shall become immediately due and payable.

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

                  (1) the Company has paid or deposited with the Trustee a sum
         in the Currency in which such Securities are denominated (except as
         otherwise provided pursuant to Section 3.01) 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

                                      -28-
<PAGE>
 
                  acceleration and interest thereon at the rate or rates
                  prescribed therefor in such Securities,

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

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

         and

                  (2) all Events of Default with respect to Securities of that
         series, other than the nonpayment 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 5.13.

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

                  For all purposes under this Indenture, if a portion of the
principal of any Original Issue Discount Securities shall have been accelerated
and declared due and payable pursuant to the provisions hereof, then, from and
after such declaration, unless such declaration shall have been rescinded and
annulled, the principal amount of such Original Issue Discount Securities shall
be deemed, for all purposes hereunder, to be such portion of the principal
thereof as shall be due and payable as a result of such declaration; and payment
of the portion of the principal thereof as shall have become due and payable as
a result of such declaration, together with interest, if any, thereon and all
other amounts owing thereunder, shall constitute payment in full of such
Original Issue Discount Securities.

SECTION 5.03.              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 when due and payable whether at its
         maturity or upon acceleration, redemption or otherwise;

                  (3) default is made in the deposit of any sinking fund payment
         when and as due by the terms of any Security,


                                      -29-
<PAGE>
 
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 such
Securities for principal (and premium, if any) and interest, interest on any
overdue principal (and premium, if any) and, to the extent that payment of such
interest shall be legally enforceable, interest on any overdue interest, at the
rate or rates prescribed therefor in such Securities, and, in addition thereto,
such further amount as shall be sufficient to cover the costs and expenses of
collection, including the reasonable compensation, expenses, disbursements and
advances of the Trustee, its agents and counsel.

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

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

SECTION 5.04.              Trustee May File Proofs of Claim.

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

                  (1) to file and prove a claim for the whole amount of
         principal (and premium, if any) and interest owing and unpaid in
         respect of the Securities and to file such other papers or documents as
         may be necessary or advisable in order to have the claims of the
         Trustee (including any claim for the reasonable compensation, expenses,
         disbursements and advances of the Trustee, its agents and counsel) and
         of the Holders allowed in such judicial proceeding, and

                  (2) 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

                                      -30-
<PAGE>
 
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 6.07.

                  Subject to the provisions of Article Eight of this Indenture,
nothing herein contained shall be deemed to authorize the Trustee to authorize
or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceeding.

SECTION 5.05.              Trustee May Enforce Claims Without Possession of
                           Securities.

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

                  In any proceeding brought by the Trustee (and also in any
proceeding involving the interpretation of any provision of this Indenture to
which the Trustee shall be a party), the Trustee shall be held to represent all
the Holders of the Securities in respect to which action was taken, and it shall
not be necessary to make any Holders of such Securities parties to any such
proceedings.

SECTION 5.06.              Application of Money Collected.

                  Any money collected by the Trustee pursuant to this Article
shall be applied in the following order, at the date or dates fixed by the
Trustee and, in case of the distribution of such money on account of principal
(or premium, if any) 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 6.07;

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

                  THIRD:  To the Company.

                                      -31-
<PAGE>
 
SECTION 5.07.              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 custodian, liquidator, assignee,
sequestrator, receiver, trustee, or other similar official, 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 such
Holder or Holders of any other series, or to obtain or to seek to obtain
priority or preference over any other such Holders or to enforce any right under
this Indenture, except in the manner herein provided and for the equal and
ratable benefit of all such Holders.

SECTION 5.08.              Unconditional Right of Holders to Receive Principal,
                           Premium and Interest.

                  Notwithstanding any other provision in this Indenture, the
Holder of any Security shall have the right, which is absolute and
unconditional, to receive payment of the principal of (and premium, if any) and
(subject to Section 3.07) interest on such Security on the due dates (subject to
any right of the Company to defer any payment or extend any due date in
accordance with the terms of the Security), 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.

                                      -32-
<PAGE>
 
SECTION 5.09.              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 5.10.              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 3.06, 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 5.11.              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 5.12.              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,

                  (2) the Trustee shall have determined that the action so
         directed would not be unjustly prejudicial to the Holders of any
         Securities of any series with respect to which the Trustee is the
         Trustee not taking part in such direction,


                                      -33-
<PAGE>
 
                  (3) the Trustee may take any other action deemed proper by the
         Trustee which is not inconsistent with such direction, and

                  (4) the Trustee shall be indemnified as hereinafter provided.

SECTION 5.13.              Waiver of Past Defaults.

                  Subject to Section 5.02, 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 premium, if any) 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 5.14.              Undertaking for Costs.

                  All parties to this Indenture agree, and each Holder of any
Security by his acceptance thereof shall be deemed to have agreed, that any
court may in its discretion require, in any suit for the enforcement of any
right or remedy under this Indenture, or in any suit against the Trustee for any
action taken, suffered or omitted by it as Trustee, the filing by any party
litigant in such suit of an undertaking to pay the costs of such suit, and that
such court may in its discretion assess reasonable costs, including reasonable
attorneys' fees, against any party litigant in such suit, having due regard to
the merits and good faith of the claims or defenses made by such party litigant;
but the provisions of this Section shall not apply to any suit instituted by the
Trustee, to any suit instituted by any Holder, or group of Holders, holding in
the aggregate more than 10% in principal amount of the Outstanding Securities of
any series, or to any suit instituted by any Holder for the enforcement of the
payment of the principal of (or premium, if any) or interest on any Security on
or after the due dates expressed in such Security (or, in the case of
redemption, on or after the Redemption Date).

SECTION 5.15.              Waiver of Stay or Extension Laws.

                  The Company covenants (to the extent that it may lawfully do
so) that it will not at any time insist upon, or plead, or in any manner
whatsoever claim or take the benefit or advantage of, any stay or extension law
wherever enacted, now or at any time hereafter in force, which may

                                      -34-
<PAGE>
 
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 exercise of any power herein granted to the Trustee, but will suffer and
permit the exercise of every such power as though no such law had been enacted.

SECTION 5.16. Duty to Accelerate.

                  The Trustee shall be under no duty to accelerate the debt
hereunder or to institute any proceedings unless it knows or in the exercise of
reasonable diligence should have known of the existence of an event of default
hereunder.


                                   ARTICLE VI

                                   THE TRUSTEE

SECTION 6.01.              Certain Duties and Responsibilities.

                  (a) Except during the continuance of an Event of Default with
respect to Securities of any series,

                  (1) the Trustee undertakes to perform, with respect to
         Securities of such series, such duties and only such duties as are
         specifically set forth in this Indenture, and no implied covenants or
         obligations shall be read into this Indenture against the Trustee; and

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

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

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


                                      -35-
<PAGE>
 
                  (1) this Subsection shall not be construed to limit the effect
         of Subsection (a) of this Section;

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

                  (3) the Trustee shall not be liable with respect to any action
         taken or omitted to be taken by it in good faith in accordance with the
         direction of the Holders of a majority in principal amount of the
         Outstanding Securities of any series pursuant to the provisions of
         Section 5.12 relating to the time, method and place of conducting any
         proceeding for any remedy available to the Trustee, or exercising any
         trust or power conferred upon the Trustee, under this Indenture with
         respect to the Securities of such series; and

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

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

SECTION 6.02.              Notice of Defaults.

                  Within 90 days after the occurrence of any default hereunder
with respect to the Securities of any series, the Trustee shall transmit by mail
to all Holders of Securities of such series, as their names and addresses appear
in the Security Register, notice of such default hereunder known to the Trustee,
unless such default shall have been cured or waived; provided, however, that,
except in the case of a default in the payment of the principal of (or premium,
if any) or interest on any Security of such series or in the payment of any
sinking fund installment with respect to Securities of such series, the Trustee
shall be protected in withholding such notice if and so long as the board of
directors, the executive committee or a trust committee of directors or
Responsible Officers of the Trustee in good faith determine that the withholding
of such notice is in the interest of the Holders of Securities of such series;
and provided, further, that in the case of any default of the character
specified in Section 5.01(4) with respect to the Securities of such series, no
such notice to Holders shall be given until at least 30 days after the
occurrence thereof. For the purpose of this Section, the term "default" means
any event which is, or after notice or lapse of time or both would become, an
Event of Default with respect to Securities of such series.

                                      -36-
<PAGE>
 
SECTION 6.03.              Certain Rights of Trustee.

                  Subject to the provisions of Section 6.01:

                  (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) before the Trustee acts or refrains from acting, 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 matters of fact 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

                                      -37-
<PAGE>
 
         and the Trustee shall not be responsible for any misconduct or
         negligence on the part of any agent or attorney appointed with due care
         by it hereunder; and

                  (8) except for (i) a default under Sections 5.01 (1), (2) or
         (3) hereof or (ii) any other event of which the Trustee has "actual
         knowledge" and which event, with the giving of notice or the passage of
         time or both, would constitute an Event of Default under this
         Indenture, the Trustee shall not be deemed to have notice of any
         default or Event of Default with respect to Securities of any series at
         the time Outstanding unless specifically notified in writing of such
         event by the Company or the Holders of not less than 25% in principal
         amount of the Outstanding Securities of that series; as used herein,
         the term "actual knowledge" means the actual fact or state of knowing,
         without any duty to make any investigation with regard thereto.

SECTION 6.04.              Not Responsible for Recitals or Issuance of
                           Securities.

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

SECTION 6.05.              May Hold Securities.

                  The Trustee, any Authenticating Agent, any Paying Agent 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 6.08 and 6.13, may
otherwise deal with the Company with the same rights it would have if it were
not Trustee, Authenticating Agent, Paying Agent or such agent.

SECTION 6.06.              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 and except as
otherwise provided herein. The Trustee shall be under no liability for interest
on any money received by it hereunder except as otherwise agreed with the
Company.

SECTION 6.07.              Compensation and Reimbursement.

                  The Company agrees:

                  (1) to pay to the Trustee from time to time reasonable
         compensation in Dollars 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);

                                      -38-
<PAGE>
 
                  (2) except as otherwise expressly provided herein, to
         reimburse the Trustee in Dollars 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 6.08.              Disqualification; Conflicting Interests.

                  (a) If the Trustee has or shall acquire any conflicting
interest, as defined in this Section, with respect to the Securities of any
series, it shall, within 90 days after ascertaining that it has such conflicting
interest, either eliminate such conflicting interest or resign with respect to
the Securities of that series in the manner and with the effect hereinafter
specified in this Article.

                  (b) In the event that the Trustee shall fail to comply with
the provisions of Subsection (a) of this Section with respect to the Securities
of any series, the Trustee shall, within 10 days after the expiration of such
90-day period, transmit by mail to all Holders of Securities of, that series, as
their names and addresses appear in the Security Register, notice of such
failure.

                  (c) For the purposes of this Section, the Trustee shall be
deemed to have a conflicting interest with respect to the Securities of any
series if:

                  (1) the Trustee is trustee under this Indenture with respect
         to the Outstanding Securities of any series other than that series or
         is trustee under another indenture under which any other securities, or
         certificates of interest or participation in any other securities, of
         the Company are outstanding, unless such other indenture is a
         collateral trust indenture under which the only collateral consists of
         Securities issued under this Indenture, provided that there shall be
         excluded from the operation of this paragraph this Indenture with
         respect to the Securities of any series other than that series or other
         indenture or indentures under which other securities, or certificates
         of interest or participation in other securities, of the Company are
         outstanding, if

                           (A) this Indenture and such other indenture or
                  indentures are wholly unsecured and such other indenture or
                  indentures are hereafter qualified under the Trust Indenture
                  Act, unless the Commission shall have found and declared by
                  order pursuant to Section 305(b) or Section 307(c) of the
                  Trust Indenture Act that differences exist between the
                  provisions of

                                      -39-
<PAGE>
 
                  this Indenture with respect to Securities of that series and
                  one or more other series or the provisions of such other
                  indenture or indentures (or any series of securities issuable
                  thereunder) which are so likely to involve a material conflict
                  of interest as to make it necessary in the public interest or
                  for the protection of investors to disqualify the Trustee from
                  acting as such under this Indenture with respect to the
                  Securities of that series and such other series or under such
                  other indenture or indentures, or

                           (B) the Company shall have sustained the burden of
                  proving, on application to the Commission and after
                  opportunity for hearing thereon, that trusteeship under this
                  Indenture with respect to the Securities of that series and
                  such other series or such other indenture or indentures is not
                  so likely to involve a material conflict of interest as to
                  make it necessary in the public interest or for the protection
                  of investors to disqualify the Trustee from acting as such
                  under this Indenture with respect to the Securities of that
                  series and such other series or under such other indenture or
                  indentures;

                  (2) the Trustee or any of its directors or executive officers
         is an obligor upon the Securities or an underwriter for the Company;

                  (3) the Trustee directly or indirectly controls, is directly
         or indirectly controlled by, or is under direct or indirect common
         control with the Company or an underwriter for the Company;

                  (4) the Trustee or any of its directors or executive officers
         is a director, officer, partner, employee, appointee or representative
         of the Company, or of an underwriter (other than the Trustee itself)
         for the Company who is currently engaged in the business of
         underwriting, except that (i) one individual may be a director or an
         executive officer, or both, of the Trustee and a director or an
         executive officer, or both, of the Company but may not be at the same
         time an executive officer of both the Trustee and the Company; (ii) if
         and so long as the number of directors of the Trustee in office is more
         than nine, one additional individual may be a director or an executive
         officer, or both, of the Trustee and a director of the Company; and
         (iii) the Trustee may be designated by the Company or by any
         underwriter for the Company to act in the capacity of transfer agent,
         registrar, custodian, paying agent, fiscal agent, escrow agent or
         depositary, or in any other similar capacity, or, subject to the
         provisions of paragraph (1) of this Subsection, to act as trustee,
         whether under an indenture or otherwise;

                  (5) 10% or more of the voting securities of the Trustee is
         beneficially owned either by the Company or by any director, partner or
         executive officer thereof, or 20% or more of such voting securities is
         beneficially owned, collectively, by any two or more of such persons;
         or 10% or more of the voting securities of the Trustee is beneficially
         owned either by an underwriter for the

                                      -40-
<PAGE>
 
         Company or by any director, partner or executive officer thereof, or is
         beneficially owned, collectively, by any two or more such persons;

                  (6) the Trustee is the beneficial owner of, or holds as
         collateral security for an obligation which is in default (as
         hereinafter in this Subsection defined), (i) 5% or more of the voting
         securities, or 10% or more of any other class of security, of the
         Company not including the Securities issued under this Indenture and
         securities issued under any other indenture under which the Trustee is
         also trustee, or (ii) 10% or more of any class of security of an
         underwriter for the Company;

                  (7) the Trustee is the beneficial owner of, or holds as
         collateral security for an obligation which is in default (as
         hereinafter in this Subsection defined) 5% or more of the voting
         securities of any person who, to the knowledge of the Trustee, owns 10%
         or more of the voting securities of, or controls directly or indirectly
         or is under direct or indirect common control with, the Company;

                  (8) the Trustee is the beneficial owner of, or holds as
         collateral security for an obligation which is in default (as
         hereinafter in this Subsection defined), 10% or more of any class of
         security of any person who, to the knowledge of the Trustee, owns 50%
         or more of the voting securities of the Company; or

                  (9) the Trustee owns, on the date of default upon the
         Securities of such series or any anniversary of such default while such
         default shall be continuing, in the capacity of executor,
         administrator, testamentary or inter vivos trustee, guardian, committee
         or conservator, or in any other similar capacity, an aggregate of 25%
         or more of the voting securities, or of any class of security, of any
         person, the beneficial ownership of a specified percentage of which
         would have constituted a conflicting interest under paragraph (6), (7)
         or (8) of this Subsection. As to any such securities of which the
         Trustee acquired ownership through becoming executor, administrator or
         testamentary trustee of an estate which included them, the provisions
         of the preceding sentence shall not apply, for a period of two years
         from the date of such acquisition, to the extent that such securities
         included in such estate do not exceed 25% of such voting securities or
         25% of any such class of security. Promptly after the date of such
         default upon the Securities of such series and annually in each
         succeeding year that the Securities of such series remain in default,
         the Trustee shall make a check of its holdings of such securities in
         any of the above-mentioned capacities as of such May 15. If the Company
         fails to make payment in full of the principal of (or premium, if any)
         or interest on any of the Securities when and as the same becomes due
         and payable, and such failure continues for 30 days thereafter, the
         Trustee shall make a prompt check of its holdings of such securities in
         any of the above mentioned capacities as of the date of the expiration
         of such 30-day period, and after such date, notwithstanding the
         foregoing provisions of this paragraph, all such securities so held by
         the Trustee, with sole or joint control over such securities vested in
         it, shall, but only so long as

                                      -41-
<PAGE>
 
         such failure shall continue, be considered as though beneficially owned
         by the Trustee for the purposes of paragraphs (6), (7) and (8) of this
         Subsection.

                  (10) except under the circumstances described in paragraphs
         (1), (3), (4), (5) and (6) of Section 6.13(b), the Trustee shall be or
         shall become a creditor of the Company.

                  The specification of percentages in paragraphs (5) to (9),
inclusive, of this Subsection shall not be construed as indicating that the
ownership of such percentages of the securities of a person is or is not
necessary or sufficient to constitute direct or indirect control for the
purposes of paragraph (3) or (7) of this Subsection.

                  For the purposes of paragraph (1) of this Subsection, Sections
5.12 and 5.13 and the definition of the term "Outstanding," the term "series of
securities" or "series" means a series, class or group of securities issuable
under an indenture pursuant to whose terms holders of one such series may vote
to direct the indenture trustee, or otherwise take action pursuant to a vote of
such holders, separately from holders of another such series, provided that
"series of securities" or "series" shall not include any series of securities
issuable under an indenture if all such series rank equally and are wholly
unsecured.

                  For the purposes of paragraphs (6), (7), (8) and (9) of this
Subsection only, (i) the terms "security" and "securities" shall include only
such securities as are generally known as corporate securities, but shall not
include any note or other evidence of indebtedness issued to evidence an
obligation to repay moneys lent to a person by one or more banks, trust
companies or banking firms, or any certificate of interest or participation in
any such note or evidence of indebtedness; (ii) an obligation shall be deemed to
be "in default" when a default in payment of principal shall have continued for
30 days or more and shall not have been cured; and (iii) the Trustee shall not
be deemed to be the owner or holder of (A) any security which it holds as
collateral security, as trustee or otherwise, for an obligation which is not in
default as defined in Clause (ii) above, or (B) any security which it holds as
collateral security under this Indenture, irrespective of any default hereunder,
or (C) any security which it holds as agent for collection, or as custodian,
escrow agent or depositary, or in any similar representative capacity.

                  (d)      For the purposes of this Section:

                  (1) The term "underwriter," when used with reference to the
         Company, means every person who, within three years prior to the time
         as of which the determination is made, has purchased from the Company
         with a view to, or has offered or sold for the Company in connection
         with, the distribution of any security of the Company outstanding at
         such time, or has participated or has had a direct or indirect
         participation in any such undertaking, or has participated or has had a
         participation in the direct or indirect underwriting of any such
         undertaking, but such term shall not include a person whose interest
         was limited to a commission from an underwriter or dealer not in excess
         of the usual and customary distributors' or sellers' commission.

                                     -42-
<PAGE>
 
                  (2) The term "director" means any director of a corporation or
         any individual performing similar functions with respect to any
         organization, whether incorporated or unincorporated.

                  (3) The term "Person" means an individual, a corporation, a
         partnership, an association, a joint-stock company, a trust, an
         unincorporated organization or a government or political subdivision
         thereof. As used in this paragraph, the term "trust" shall include only
         a trust where the interest or interests of the beneficiary or
         beneficiaries are evidenced by a security.

                  (4) The term "voting security" means any security presently
         entitling the owner or holder thereof to vote in the direction or
         management of the affairs of a person, or any security issued under or
         pursuant to any trust, agreement or arrangement whereby a trustee or
         trustees or agent or agents for the owner or holder of such security
         are presently entitled to vote in the direction or management of the
         affairs of a person.

                  (5) The term "Company" means any obligor upon the Securities.

                  (6) The term "executive officer" means the president, every
         vice president, every trust officer, the cashier, the secretary and the
         treasurer of a corporation, and any individual customarily performing
         similar functions with respect to any organization whether incorporated
         or unincorporated, but shall not include the chairman of the board of
         directors.

                  (7) The term "default" shall mean, with respect to the
         Securities of any series, an Event of Default in respect thereof
         (exclusive of any period of grace or requirement of notice).

                  (e) Except in the case of a default in the payment of the
principal of (and premium, if any) or interest on the Securities of any series,
or in the payment of any sinking fund or analogous payment, the Trustee shall
not be required to resign as provided by this Section if the Trustee shall have
sustained the burden of proving, on application to the Commission and after
opportunity for hearing thereon, that:

                  (1) the default under this Indenture may be cured or waived
         during a reasonable period and under the procedures described in such
         application, and

                  (2) a stay of the Trustee's duty to resign will not be
         inconsistent with the interests of the Holders of the Securities of the
         applicable series.

                  The filing of such an application shall automatically stay the
performance of the duty to resign until the Commission orders otherwise.


                                      -43-
<PAGE>
 
                  (f) The percentages of voting securities and other securities
specified in this Section shall be calculated in accordance with the following
provisions:

                  (1) A specified percentage of voting securities of the
         Trustee, the Company or any other person referred to in this Section
         (each of whom is referred to as a "person" in this paragraph) means
         such amount of the outstanding voting securities of such person as
         entitles the holder or holders thereof to cast such specified
         percentage of the aggregate votes which the holders of all the
         outstanding voting securities of such person are entitled to cast in
         the direction or management of the affairs of such person.

                  (2) A specified percentage of a class of securities of a
         person means such percentage of the aggregate amount of securities of
         the class outstanding.

                  (3) The term "amount," when used in regard to securities,
         means the principal amount if relating to evidences of indebtedness,
         the number of shares if relating to capital shares and the number of
         units if relating to any other kind of security.

                  (4) The term "outstanding" means those securities issued and
         not held by or for the account of the issuer. The following securities
         shall not be deemed outstanding within the meaning of this definition:

                           (A) securities of an issuer held in a sinking fund
                  relating to securities of the issuer of the same class;

                           (B) securities of an issuer held in a sinking fund
                  relating to another class of securities of the issuer, if the
                  obligation evidenced by such other class of securities is not
                  in default as to principal or interest or otherwise;

                           (C) securities pledged by the issuer thereof as
                  security for an obligation of the issuer not in default as to
                  principal or interest or otherwise; and

                           (D) securities held in escrow if placed in escrow by
                  the issuer thereof;

         provided, however, that any voting securities of an issuer shall be
         deemed outstanding if any person other than the issuer is entitled to
         exercise the voting rights thereof.

                  (5) A security shall be deemed to be of the same class as
         another security if both securities confer upon the holder or holders
         thereof substantially the same right and privileges; provided, however,
         that, in the case of secured evidences of Indebtedness, all of which
         are issued under a single indenture,

                                      -44-
<PAGE>
 
         differences in the interest rates or maturity dates of various series
         thereof shall not be deemed sufficient to constitute series' different
         classes and provided, further, that, in the case of unsecured evidences
         of indebtedness, differences in the interest rates or maturity dates
         thereof shall not be deemed sufficient to constitute them securities of
         different classes, whether or not they are issued under a single
         indenture.

SECTION 6.09.              Corporate Trustee Required; Eligibility.

                  There shall at all times be a Trustee hereunder with respect
to each series of Securities which shall be either (i) a corporation, bank or
trust company organized and doing business under the laws of the United States
of America, any State thereof or the District of Columbia, authorized under such
laws to exercise corporate trust powers and subject to supervision or
examination by United States or Federal or State authority or (ii) a corporation
or other Person organized and doing business under the laws of any other
government which is permitted to act as Trustee pursuant to any rule, regulation
or order of the Commission, authorized under such laws to exercise corporate
trust powers and subject to supervision or examination by an authority of such
government, or a political subdivision thereof, substantially equivalent to the
supervision or examination applicable to the institution described in clause (i)
above, in each case having a combined capital and surplus (with its direct
parent) of at least $50,000,000 and its Corporate Trust Office in Chicago,
Illinois or New York, New York, if there shall be such a corporation or Person
in such location willing to act upon or customary and reasonable terms. If such
corporation or other Person publishes reports of condition at least annually,
pursuant to law or to the requirements of said supervising or examining
authority, then for the purposes of this Section, the combined capital and
surplus of such corporation or other Person shall be deemed to be its combined
capital and surplus as set forth in its most recent report of condition so
published. Neither the Company nor any Person directly or indirectly
controlling, controlled by or under common control with the Company shall serve
as Trustee. If at any time the Trustee shall cease to be eligible in accordance
with the provisions of this Section 6.09, it shall resign immediately in the
manner and with the effect hereinafter specified in this Article.

SECTION 6.10.              Resignation and Removal; Appointment of Successor.

                  (a) No resignation or removal of the Trustee and no
appointment of a successor Trustee pursuant to this Article shall become
effective until the acceptance of appointment by the successor Trustee in
accordance with the applicable requirements of Section 6.11.

                  (b) The Trustee may resign at any time with respect to the
Securities of one or more series by giving written notice thereof to the
Company. If the instrument of acceptance by a successor Trustee required by
Section 6.11 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 such series.


                                      -45-
<PAGE>
 
                  (c) The Trustee may be removed at any time with respect to the
Securities of any series by Act of the Holders of a majority in principal amount
of the Outstanding Securities of such series, delivered to the Trustee and to
the Company.

                  (d) If at any time:

                  (1) the Trustee shall fail to comply with Section 6.08(a)
         after written request therefor by the Company or by any Holder who has
         been a bona fide Holder of a Security of the series as to which the
         Trustee has a conflicting interest for at least six months, or

                  (2) the Trustee shall cease to be eligible under Section 6.09
         and shall fail to resign after written request therefor by the Company
         or by any such Holder, or

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

then, in any such case, (i) the Company by a Board Resolution may remove the
Trustee with respect to all Securities, or (ii) subject to Section 5.14, any
Holder who has been a bona fide Holder of a Security for at least six months
may, on behalf of himself and all others similarly situated, petition any court
of competent jurisdiction for the removal of the Trustee with respect to all
Securities and the appointment of a successor Trustee or Trustees.

                  (e) If the Trustee shall resign, be removed or become
incapable of acting, or if a vacancy shall occur in the office of Trustee for
any cause, with respect to the Securities of one or more series, the Company, by
a Board Resolution, shall promptly appoint a successor Trustee or Trustees with
respect to the Securities of that or those series (it being understood that any
such successor Trustee may be appointed with 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 6.11. 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
6.11, become the successor Trustee with respect to the Securities of such series
and to that extent supersede the successor Trustee appointed by the Company. If
no successor Trustee with respect to the Securities of any series shall have
been so appointed by the Company or the Holders of Securities of such series and
accepted appointment in the manner required by Section 6.11, 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.

                                      -46-
<PAGE>
 
                  (f) The Company shall give notice of each resignation and each
removal of the Trustee with respect to the Securities of any series and each
appointment of a successor Trustee with respect to the Securities of any series
by mailing written notice of such event by first-class mail, postage prepaid, to
all Holders of Securities of such series as their names and addresses appear in
the Security Register. Each notice shall include the name of the successor
Trustee with respect to the Securities of such series and the address of its
Corporate Trust Office.

SECTION 6.11.              Acceptance of Appointment by Successor.

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

                  (b) In case of the appointment hereunder of a successor
Trustee with respect to the Securities of one or more (but not all) series, the
Company, the retiring Trustee and each successor Trustee with respect to the
Securities of one or more series shall execute and deliver an indenture
supplemental hereto wherein each successor Trustee shall accept such appointment
and which (1) shall contain such provisions as shall be necessary or desirable
to transfer and confirm to, and to vest in, each successor Trustee all the
rights, powers, trusts and duties of the retiring Trustee with respect to the
Securities of that or those series to which the appointment of such successor
Trustee relates, (2) if the retiring Trustee is not retiring with respect to all
Securities, shall contain such provisions as shall be deemed necessary or
desirable to confirm that all the rights, powers, trusts and duties of the
retiring Trustee with respect to the Securities of that or those series as to
which the retiring Trustee is not retiring shall continue to be vested in the
retiring Trustee, and (3) shall add to or change any of the provisions of this
Indenture as shall be necessary to provide for or facilitate the administration
of the trusts hereunder by more than one Trustee, it being understood that
nothing herein or in such supplemental indenture shall constitute such Trustees
co-trustees of the same trust, 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 that no Trustee shall be responsible
for any act or failure to act on the part of any other Trustee hereunder; 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, such retiring Trustee shall with respect to the Securities of that or
those series to which the appointment of such successor Trustee relates have no
further responsibility for the exercise of rights and powers or for the
performance of the duties and obligations vested in the Trustee under this
Indenture, 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

                                      -47-
<PAGE>
 
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, to the extent contemplated by such supplemental indenture, the property
and money held by such retiring Trustee hereunder with respect to the Securities
of that or those series to which the appointment of such successor Trustee
relates.

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

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

SECTION 6.12.              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 6.13.              Preferential Collection of Claims Against Company.

                  (a) Subject to Subsection (b) of this Section, if the Trustee
shall be or shall become a creditor, directly or indirectly, secured or
unsecured, of the Company within four months prior to a default, as defined in
Subsection (c) of this Section, or subsequent to such a default, then, unless
and until such default shall be cured, the Trustee shall set apart and hold in
special account for the benefit of the Trustee individually, the Holders of the
Securities and the holders of other indenture securities, as defined in
Subsection (c) of this Section:

                  (1) an amount equal to any and all reductions in the amount
         due and owing upon any claim as such creditor in respect of principal,
         premium, if any, or interest, effected after the beginning of such four
         months' period and valid as against the Company and its other
         creditors, except any such reduction resulting from the receipt or
         disposition of any property described in paragraph (2) of this
         Subsection, or from the exercise of any right of set-off which the
         Trustee could have exercised if a petition in bankruptcy had been filed
         by or against the Company upon the date of such default; and


                                      -48-
<PAGE>
 
                  (2) all property received by the Trustee in respect of any
         claims as such creditor, either as security therefor, or in
         satisfaction or composition thereof, or otherwise, after the beginning
         of such four months' period, or an amount equal to the proceeds from
         the disposition of any such property, if disposed of, subject, however,
         to the rights, if any, of the Company and its creditors in such
         property or such proceeds.

Nothing herein contained, however, shall affect the right of the Trustee:

                  (A) to retain for its own account (i) payments made on account
         of any such claim by any Person (other than the Company) who is liable
         thereon, and (ii) the proceeds of the bona fide sale of any such claim
         by the Trustee to a third Person, and (iii) distributions made in cash,
         securities or other property in respect of claims filed against the
         Company in bankruptcy or receivership or in proceedings for
         reorganization pursuant to the Federal Bankruptcy Act or applicable
         State law;

                  (B) to realize, for its own account, upon any property held by
         it as security for any such claim, if such property was so held prior
         to the beginning of such four months' period;

                  (C) to realize, for its own account, but only to the extent of
         the claim hereinafter mentioned, upon any property held by it as
         security for any such claim, if such claim was created after the
         beginning of such four months' period and such property was received as
         security therefor simultaneously with the creation thereof, and if the
         Trustee shall sustain the burden of proving that at the time such
         property was so received the Trustee had no reasonable cause to believe
         that a default, as defined in Subsection (c) of this Section, would
         occur within four months; or

                  (D) to receive payment on any claim referred to in paragraph
         (B) or (C), against the release of any property held as security for
         such claim as provided in paragraph (B) or (C), as the case may be, to
         the extent of the fair value of such property.

                  For the purposes of paragraphs (B), (C) and (D), property
substituted after the beginning of such four months' period for property held as
security at the time of such substitution shall, to the extent of the fair value
of the property released, have the same status as the property released, and, to
the extent that any claim referred to in any of such paragraphs is created in
renewal of or in substitution for or for the purpose of repaying or refunding
any pre-existing claim of the Trustee as such creditor, such claim shall have
the same status as such preexisting claim.

                  If the Trustee shall be required to account, the funds and
property held in such special account and the proceeds thereof shall be
apportioned among the Trustee, the Holders and the holders of other indenture
securities in such manner that the Trustee, the Holders and the

                                      -49-
<PAGE>
 
holders of other indenture securities realize, as a result of payments from such
special account and payments of dividends on claims filed against the Company in
bankruptcy or receivership or in proceedings for reorganization pursuant to the
Federal Bankruptcy Act or applicable State law, the same percentage of their
respective claims, figured before crediting to the claim of the Trustee anything
on account of the receipt by it from the Company of the funds and property in
such special account and before crediting to the respective claims of the
Trustee and the Holders and the holders of other indenture securities dividends
on claims filed against the Company in bankruptcy or receivership or in
proceedings for reorganization pursuant to the Federal Bankruptcy Act or
applicable State law, but after crediting thereon receipts on account of the
indebtedness represented by their respective claims from all sources other than
from such dividends and from the funds and property so held in such special
account. As used in this paragraph, with respect to any claim, the term
"dividends" shall include any distribution with respect to such claim, in
bankruptcy or receivership or proceedings for reorganization pursuant to the
Federal Bankruptcy Act or applicable State law, whether such distribution is
made in cash, securities or other property, but shall not include any such
distribution with respect to the secured portion, if any, of such claim. The
court in which such bankruptcy, receivership or proceeding for reorganization is
pending shall have jurisdiction (i) to apportion among the Trustee, the Holders
and the holders of other indenture securities, in accordance with the provisions
of this paragraph, the funds and property held in such special account and
proceeds thereof, or (ii) in lieu of such apportionment, in whole or in part, to
give to the provisions of this paragraph due consideration in determining the
fairness of the distributions to be made to the Trustee and the Holders and the
holders of other indenture securities with respect to their respective claims,
in which event it shall not be necessary to liquidate or to appraise the value
of any securities or other property held in such special account or as security
for any such claim, or to make a specific allocation of such distributions as
between the secured and unsecured portions of such claims, or otherwise to apply
the provisions of this paragraph as a mathematical formula.

                  Any Trustee which has resigned or been removed after the
beginning of such four months' period shall be subject to the provisions of this
Subsection as though such resignation or removal had not occurred. If any
Trustee has resigned or been removed prior to the beginning of such four months'
period, it shall be subject to the provisions of this Subsection if and only if
the following conditions exist:

                  (1) the receipt of property or reduction of claim, which would
         have given rise to the obligation to account, if such Trustee had
         continued as Trustee, occurred after the beginning of such four months'
         period; and

                  (2) such receipt of property or reduction of claim occurred
         within four months after such resignation or removal.

                  In any case commenced under the Bankruptcy Act of July 1,
1898, or any amendment thereto enacted prior to November 6, 1978, all references
above to periods of three months shall be deemed to be references to periods of
four months.


                                      -50-
<PAGE>
 
                  (b) There shall be excluded from the operation of Subsection
(a) of this Section a creditor relationship arising from:

                  (1) the ownership or acquisition of securities issued under
         any indenture, or any security or securities having a maturity of one
         year or more at the time of acquisition by the Trustee;

                  (2) advances authorized by a receivership or bankruptcy court
         of competent jurisdiction or by this Indenture, for the purpose of
         preserving any property which shall at any time be subject to the lien
         of this Indenture or of discharging tax liens or other prior liens or
         encumbrances thereon, if notice of such advances and of the
         circumstances surrounding the making thereof is given to the Holders at
         the time and in the manner provided in this Indenture;

                  (3) disbursements made in the ordinary course of business in
         the capacity of trustee under an indenture, transfer agent, registrar,
         custodian, paying agent, fiscal agent or depositary, or other similar
         capacity;

                  (4) an indebtedness created as a result of services rendered
         or premises rented; or an indebtedness created as a result of goods or
         securities sold in a cash transaction, as defined in Subsection (c) of
         this Section;

                  (5) the ownership of stock or of other securities of a
         corporation organized under the provisions of Section 25(a) of the
         Federal Reserve Act, as amended, which is directly or indirectly a
         creditor of the Company; and

                  (6) the acquisition, ownership, acceptance or negotiation of
         any drafts, bills of exchange, acceptances or obligations which fall
         within the classification of self-liquidating paper, as defined in
         Subsection (c) in this Section.

                  (c) For the purposes of this Section 6.13 only:

                  (1) the term "default" means any failure to make payment in
         full of the principal of or interest on any of the Securities or upon
         the other indenture securities when and as such principal or interest
         becomes due and payable;

                  (2) the term "other indenture securities" means securities
         upon which the Company is an obligor outstanding under any other
         indenture (i) under which indenture and as to which securities the
         Trustee is also trustee, (ii) which contains provisions substantially
         similar to the provisions of this Section, and (iii) under which a
         default exists at the time of the apportionment of the funds and
         property held in such special account;

                  (3) the term "cash transaction" means any transaction in which
         full payment for goods or securities sold is made within seven days
         after delivery of the

                                      -51-
<PAGE>
 
         goods or securities in currency or in checks or other orders drawn upon
         banks or bankers and payable upon demand;

                  (4) the term "self-liquidating paper" means any draft, bill of
         exchange, acceptance or obligation which is made, drawn, negotiated or
         incurred by the Company for the purpose of financing the purchase,
         processing, manufacturing, shipment, storage or sale of goods, wares or
         merchandise and which is secured by documents evidencing title to,
         possession of, or a lien upon, the goods, wares or merchandise or the
         receivables or proceeds arising from the sale of the goods, wares or
         merchandise previously constituting the security, provided the security
         is received by the Trustee simultaneously with the creation of the
         creditor relationship with the Company arising from the making,
         drawing, negotiating or incurring of the draft, bill of exchange,
         acceptance or obligation;

                  (5) the term "Company" means any obligor upon the Securities;
         and

                  (6) the term "Federal Bankruptcy Act" means the Bankruptcy Act
         or Title 11 of the United States Code.

SECTION 6.14.              Appointment of Authenticating Agent.

                  At any time when any of the Securities remain Outstanding the
Trustee may appoint an Authenticating Agent or Agents with respect to one or
more series of Securities which shall be authorized to act on behalf of the
Trustee to authenticate Securities of such series issued upon exchange,
registration of transfer or partial redemption thereof or pursuant to Section
3.06 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. Whenever 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 by an Authenticating Agent and a certificate of
authentication executed 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 (together with its direct parent) 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 6.14, 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 6.14, such Authenticating Agent shall resign immediately in the manner
and with the effect specified in this Section 6.14.

                  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

                                      -52-
<PAGE>
 
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 6.14, without
the execution or filing of any paper or any further act on the part of the
Trustee or Authenticating Agent.

                  An Authenticating Agent may resign at any time by giving
written notice thereof to the Trustee and to the Company. The Trustee may at any
time terminate the agency of an Authenticating Agent by giving written notice
thereof to such Authenticating Agent and to the Company. Upon receiving such a
notice of resignation or upon such a termination, or in case at any time such
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section, the Trustee may appoint a successor Authenticating
Agent which shall be acceptable to the Company and shall mail written notice of
such appointment by first-class mail, postage prepaid, to all Holders of
Securities of the series with respect to which such Authenticating Agent will
serve, as their names and addresses appear in the Security Register. Any
successor Authenticating Agent upon acceptance of its appointment hereunder
shall become vested with all 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 6.14.

                  The Trustee agrees to pay to each Authenticating Agent from
time to time reasonable compensation for its services under this Section 6.14,
and the Trustee shall be entitled to be reimbursed for such payments.

                  The provisions of Sections 3.08, 6.04 and 6.05 shall be
applicable to each Authenticating Agent.

                  Pursuant to each appointment made under this Section 6.14, the
Securities of each series covered by such appointment may have endorsed thereon,
in addition to the Trustee's certificate of authentication, an alternative
certificate of authentication in the following form:

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


                                                 -----------------------------
                                                    As Authenticating Agent



                                                 By:
                                                    --------------------------
                                                     Authorized Signature


                                      -53-
<PAGE>
 
                                   ARTICLE VII

                HOLDERS' LISTS AND REPORTS BY TRUSTEE AND COMPANY

SECTION 7.01.              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 more than 15 days after each record
         date with respect to a regular interest payment date for each series of
         Securities, a list, in such form as the Trustee may reasonably require,
         containing all the information in the possession and control of the
         Company or of its paying agents regarding the names and addresses of
         the Holders of such series as of such record date; provided, however,
         that if Securities of any series shall have more than two regular
         interest payment dates in each calendar year or shall not bear
         interest, then such list with respect to such series of Securities will
         be furnished to the Trustee semi-annually on such dates as may be
         agreeable to the Trustee; 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;

except that if the Trustee is the sole registrar with respect to any series of
Securities, no such list need be furnished with respect to such series.

SECTION 7.02.              Preservation of Information; Communications to
                           Holders.

                  (a) The Trustee shall preserve, in as current a form as is
reasonably practicable, the names and addresses of Holders contained in the most
recent list furnished to the Trustee as provided in Section 7.01 and the names
and addresses of Holders received by the Trustee in its capacity as sole
Security Registrar, if so acting. The Trustee may destroy any list furnished to
it as provided in Section 7.01 upon receipt of a new list so furnished.

                  (b) If three or more Holders (herein referred to as
"applicants") apply in writing to the Trustee, and furnish to the Trustee
reasonable proof that each such applicant has owned a Security for a period of
at least six months preceding the date of such application, and such application
states that the applicants desire to communicate with other Holders with respect
to their rights under this Indenture or under the Securities and is accompanied
by a copy of the form of proxy or other communication which such applicants
propose to transmit, then the Trustee shall, within five business days after the
receipt of such application, at its election, either

                  (1) afford such applicants access to the information preserved
         at the time by the Trustee in accordance with Section 7.02(a), or

                                      -54-
<PAGE>
 
                  (2) inform such applicants as to the approximate number of
         Holders whose names and addresses appear in the information preserved
         at the time by the Trustee in accordance with Section 7.02(a), and as
         to the approximate cost of mailing to such Holders the form of proxy or
         other communication, if any, specified in such application.

                  If the Trustee shall elect not to afford such applicants
access to such information, the Trustee shall, upon the written request of such
applicants, mail to each Holder whose name and address appears in the
information preserved at the time by the Trustee in accordance with Section
7.02(a) a copy of the form of proxy or other communication which is specified in
such request, with reasonable promptness after a tender to the Trustee of the
material to be mailed and of payment, or provision for the payment, of the
reasonable expenses of mailing, unless within five days after such tender the
Trustee shall mail to such applicants and file with the Commission, together
with a copy of the material to be mailed, a written statement to the effect
that, in the opinion of the Trustee, such mailing would be contrary to the best
interest of the Holders or would be in violation of applicable law. Such written
statement shall specify the basis of such opinion. If the Commission, after
opportunity for a hearing upon the objections specified in the written statement
so filed, shall enter an order refusing to sustain any of such objections or if,
after the entry of an order sustaining one or more of such objections, the
Commission shall find, after notice and opportunity for hearing, that all the
objections so sustained have been met and shall enter an order so declaring, the
Trustee shall mail copies of such material to all such Holders with reasonable
promptness after the entry of such order and the renewal of such tender; other
wise the Trustee shall be relieved of any obligation or duty to such applicants
respecting their application.

                  (c) Every Holder of Securities, by receiving and holding the
same, agrees with the Company and the Trustee that neither the Company nor the
Trustee nor any agent of either of them shall be held accountable by reason of
the disclosure of any such information as to the names and addresses of the
Holders in accordance with Section 7.02(b), regardless of the source from which
such information was derived, and that the Trustee shall not be held accountable
by reason of mailing any material pursuant to a request made under Section
7.02(b).

SECTION 7.03.              Reports by Trustee.

                  (a) Within 60 days after May 15 of each year commencing with
the year 1994, the Trustee shall transmit by mail to all Holders, as their names
and addresses appear in the Security Register, a brief report dated as of such
May 15 with respect to any of the following events which may have occurred
within the previous 12 months (but if no such event has occurred within such
period, no report need be transmitted):

                  (1) its eligibility under Section 6.09 and its qualifications
         under Section 6.08, or in lieu thereof, if to the best of its knowledge
         it has continued to be eligible and qualified under said Sections, a
         written statement to such effect;


                                      -55-
<PAGE>
 
                  (2) the creation of or any material change to a relationship
         specified in paragraphs (1) through (10) of Section 6.08(c);

                  (3) the character and amount of any advances (and if the
         Trustee elects so to state, the circumstances surrounding the making
         thereof) made by the Trustee (as such) which remain unpaid on the date
         of such report, and for the reimbursement of which it claims or may
         claim a lien or charge, prior to that of the Securities, on the trust
         estate or on any property or funds held or collected by it as Trustee,
         except that the Trustee shall not be required (but may elect) to report
         such advances if such advances so remaining unpaid aggregate not more
         than 1/2 of 1% of the principal amount of the Securities Outstanding on
         the date of such report;

                  (4) the amount, interest rate and maturity date of all other
         indebtedness owing by the Company (or by any other obligor on the
         Securities) to the Trustee in its individual capacity, on the date of
         such report, with a brief description of any property held as
         collateral security therefor, except an indebtedness based upon a
         creditor relationship arising in any manner described in Section
         6.13(b)(2), (3), (4) or (6);

                  (5) the property and funds, if any, physically in the
         possession of the Trustee (as such) on the date of such report;

                  (6) any additional issue of Securities which the Trustee has
         not previously reported; and

                  (7) any action taken by the Trustee in the performance of its
         duties hereunder which it has not previously reported and which in its
         opinion materially affects the Securities, or the Securities of any
         series, except action in respect of a default, notice of which has been
         or is to be withheld by the Trustee in accordance with Section 6.02.

                  (b) The Trustee shall transmit by mail to all Holders, as
their names and addresses appear in the Security Register, a brief report with
respect to the character and amount of any advances (and if the Trustee elects
so to state, the circumstances surrounding the making thereof) made by the
Trustee (as such) since the date of the last report transmitted pursuant to
Subsection (a) of this Section (or if no such report has yet been so
transmitted, since the date of execution of this instrument) for the
reimbursement of which it claims or may claim a lien or charge, prior to that of
the Securities, on the trust estate or on property or funds held or collected by
it as Trustee and which it has not previously reported pursuant to this
Subsection, except that the Trustee shall not be required (but may elect) to
report such advances if such advances remaining unpaid at any time aggregate 10%
or less of the principal amount of the Securities Outstanding at such time, such
report to be transmitted within 90 days after such time.


                                      -56-
<PAGE>
 
                  (c) 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 7.04.              Reports by Company.

                  The Company shall:

                  (1) file with the Trustee, within 15 days after the Company is
         required to file the same with the Commission, copies of the annual
         reports and of the information, documents and other reports (or copies
         of such portions of any of the foregoing as the Commission may from
         time to time by rules and regulations prescribe) which the Company may
         be required to file with the Commission pursuant to Section 13 or
         Section 15(d) of the Securities Exchange Act of 1934, as amended (the
         "Exchange Act"); or, if the Company is not required to file
         information, documents or reports pursuant to either of said Sections,
         then it shall file with the Trustee and the Commission, in accordance
         with rules and regulations prescribed from time to time by the
         Commission, such of the supplementary and periodic information,
         documents and reports which may be required pursuant to Section 13 of
         the Exchange Act in respect of a security listed and registered on a
         national securities exchange as may be prescribed from time to time in
         such rules and regulations;

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

                  (3) transmit by mail to all Holders, as their names and
         addresses appear in the Security Register, within 30 days after the
         filing thereof with the Trustee, such summaries of any information,
         documents and reports required to be filed by the Company pursuant to
         paragraphs (1) and (2) of this Section as may be required by rules and
         regulations prescribed from time to time by the Commission.


                                  ARTICLE VIII

              CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

SECTION 8.01.              Company May Consolidate, Etc., Only on Certain Terms.

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

                                      -57-
<PAGE>
 
                  (1) the corporation 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 organized and
         existing under the laws of the United States of America, any State
         thereof or the District of Columbia and shall expressly assume, by an
         indenture supplemental hereto, executed and delivered to the Trustee,
         in form satisfactory to the Trustee, the due and punctual payment of
         the principal of (and premium, if any) and interest on all the
         Securities and the due and punctual performance and 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, 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 supplemental
         indenture comply with this Article and that all conditions precedent
         herein provided for relating to such transaction have been complied
         with.

SECTION 8.02.              Successor Corporation Substituted.

                  Upon any consolidation of the Company with or merger of the
Company into any other corporation or any conveyance, transfer or lease of the
properties and assets of the Company substantially as an entirety in accordance
with Section 8.01, the successor corporation 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 corporation had been named as the Company herein, and thereafter,
except in the case of a lease, the predecessor corporation shall be relieved of
all obligations and covenants under this Indenture and the Securities.


                                   ARTICLE IX

                             SUPPLEMENTAL INDENTURES

SECTION 9.01.              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:


                                      -58-
<PAGE>
 
                  (1) to evidence the succession of another corporation to the
         Company and the assumption by any such successor of the covenants of
         the Company herein and in the Securities; or

                  (2) to add to the covenants of the Company 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 (and if such
         Events of Default are to be applicable to less than all series, stating
         such Events of Default are expressly being included solely to be
         applicable to 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 as to principal,
         and with or without interest coupons; 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 establish the form or terms of Securities of any series
         as permitted by Sections 2.01 and 3.01; or

                  (7) 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 6.11(b); or

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

                                      -59-
<PAGE>
 
SECTION 9.02.              Supplemental Indentures with Consent of Holders.

                  With the consent of the Holders of 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 due date of the principal of, or any
         installment of principal of or interest on, any Security, or reduce the
         principal amount thereof or the rate of interest thereon or any premium
         payable upon redemption thereof, or reduce the amount of the principal
         of any Security that would be due and payable upon a declaration of the
         maturity thereof pursuant to Section 5.02, or change the place of
         payment where, or the coin or Currency in which, any Security or any
         premium or the interest thereon is denominated or payable (or, in the
         case of certain Securities which provide for less than the entire
         principal amount thereof to be due and payable upon a declaration of
         acceleration of the maturity thereof pursuant to Section 5.02, reduce
         the amount of principal payable upon such a declaration of acceleration
         of the maturity thereof), or impair the right to institute suit for the
         enforcement of any such payment on or after the due date thereof (or,
         in the case of redemption, on or after the Redemption Date), or

                  (2) reduce the percentage of the 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 5.13
         or Section 10.08, 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.

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.


                                      -60-
<PAGE>
 
                  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 9.03.              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 6.01) shall be fully protected in relying
upon, an Opinion of Counsel stating that the execution of such supplemental
indenture is authorized or permitted by this Indenture. 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 9.04.              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.

SECTION 9.05.              Conformity with Trust Indenture Act.

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

SECTION 9.06.              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.



                                      -61-
<PAGE>
 
                                    ARTICLE X

                                    COVENANTS

SECTION 10.01.             Payment of Principal, Premium and Interest.

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

SECTION 10.02.             Maintenance of Office or Agency.

                  The Company will maintain in the City of Chicago, Illinois,
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 to and demands upon the Company in respect of the Securities of that
series and this Indenture may be served. Unless otherwise designated by the
Company in a written notice to the Trustee, such office or agency for all
purposes shall be the Corporate Trust Office of the Trustee. 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 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 in the City
of Chicago, Illinois, and the Company hereby appoints the Trustee as its agent
to receive all such presentations, surrenders, notices and demands.

SECTION 10.03.             Money for Securities Payments To Be Held in Trust.

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

                  Whenever the Company shall have one or more Paying Agents for
any series of Securities, it will, prior to each due date of the principal of
(and premium, if any) or interest on any Securities of that series, deposit with
a Paying Agent a sum sufficient to pay the principal (and premium, if any) or
interest so becoming due, such sum to be held in trust for the benefit of the
Persons entitled to such principal, premium or interest, and (unless such Paying
Agent is the Trustee) the Paying Agent will promptly notify the Trustee of the
Company's action or failure so to act.


                                      -62-
<PAGE>
 
                  The Company will cause each Paying Agent for any series of
Securities other than the Trustee to execute and deliver to the Trustee an
instrument in which such Paying Agent shall agree with the Trustee, subject to
the provisions of this Section, that such Paying Agent will:

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

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

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

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

                  Any money deposited with the Trustee or any Paying Agent, or
then held by the Company, in trust for the payment of the principal of (and
premium, if any) or interest on any Security of any series and remaining
unclaimed for three years after such principal (and premium, if any) or interest
has become due and payable shall be paid to the Company on Company Request, or
(if then held by the Company) shall be discharged from such trust; and the
Holder of such Security shall thereafter, as an unsecured general creditor, look
only to the Company for payment thereof, and all liability of the Trustee or
such Paying Agent with respect to such trust money, and all liability of the
Company as trustee thereof, shall thereupon cease; provided, however, that the
Trustee or such Paying Agent, before being required to make any such repayment,
may at the expense of the Company cause to be published once, in a newspaper
published in the English language, customarily published on each Business Day
and of general circulation in the Borough of Manhattan, 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 10.04.             Corporate Existence.

                  Subject to Article Eight, the Company will do or cause to be
done all things necessary to preserve and keep in full force and effect its
corporate existence and that of each Subsidiary and the rights (charter and
statutory) and franchises of the Company and its

                                      -63-
<PAGE>
 
Subsidiaries; provided, however, that the Company shall not be required to
preserve any such right or franchise if the Company shall determine that the
preservation thereof is no longer desirable in the conduct of the business of
the Company and its Subsidiaries considered as a whole.

SECTION 10.05.             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 and maintenance of any of such properties, or
disposing of any of them, if such discontinuance or disposal is, in the judgment
of the Company or of the Subsidiary concerned, desirable in the conduct of its
business or the business of any Subsidiary and not disadvantageous in any
material respect to the Holders.

SECTION 10.06.             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 material 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 and the Company shall have set aside on its books
adequate reserves with respect thereto (segregated to the extent required by
generally accepted accounting principles).

SECTION 10.07.             Statement as to Compliance.

                  The Company will deliver to the Trustee, within 120 days after
the end of each fiscal year, an Officers' Certificate (executed by at least the
principal executive officer, the principal financial officer or the principal
accounting officer of the Company) 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 Company's covenants and agreements contained in this
Indenture and if the Company shall be in default, specifying all such defaults
and the nature and status thereof of which they may have knowledge.

                                      -64-
<PAGE>
 
SECTION 10.08.             Waiver of Certain Covenants.

                  The Company may omit in any particular instance to comply with
any term, provision or condition set forth in Sections 10.04 to 10.06,
inclusive, with respect to the Securities of any series if before or after the
time for such compliance the Holders of a majority in principal amount of the
Outstanding Securities of such series shall, by Act of such Holders, either
waive such compliance in such instances 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 XI

                            REDEMPTION OF SECURITIES

SECTION 11.01.             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 3.01 for Securities of any
series) in accordance with this Article.

SECTION 11.02.             Election to Redeem; Notice to Trustee.

                  In case of any redemption at the election of the Company of
less than all the Securities of any series, the Company shall, at least 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 and
of the principal amount of Securities of such series to be redeemed. In the case
of any redemption of Securities prior to the expiration of any restriction on
such redemption provided in the terms of such Securities or elsewhere in this
Indenture, the Company shall furnish the Trustee with an Officers' Certificate
evidencing compliance with such restriction.

SECTION 11.03.             Selection by Trustee of Securities to Be Redeemed.

                  If less than all the Securities of any series are to be
redeemed, the particular Securities to be redeemed shall be selected not more
than 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 portions (equal to the minimum authorized
denominations for Securities of that series or any integral multiple thereof) of
the principal amount of Securities of such series of a denomination larger than
the minimum authorized denomination for Securities of that series.


                                      -65-
<PAGE>
 
                  The Trustee shall promptly notify the Company in writing of
the Securities selected for redemption and, in the case of any Securities
selected for partial redemption, the principal amount thereof to be redeemed.

                  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 11.04.             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
         are to be redeemed, the identification (and, in the case of partial
         redemption, the principal amounts) of the particular Securities to be
         redeemed;

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

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

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

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

SECTION 11.05.             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 10.03) an
amount of money sufficient to pay the Redemption Price of, and (except if the
Redemption Date shall be the date for an installment of interest) accrued
interest on, all the Securities which are to be redeemed on that date.

                                      -66-
<PAGE>
 
SECTION 11.06.             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 installments of
interest whose due date is on or prior to the Redemption Date shall be payable
to the Holders of such Securities, or one or more Predecessor Securities,
registered as such at the close of business on the relevant record date with
respect to such installments of interest according to their terms and the
provisions of Section 3.07.

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

SECTION 11.07.             Securities Redeemed in Part.

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


                                   ARTICLE XII

                                  SINKING FUNDS

SECTION 12.01.             Applicability of Article.

                  The provisions of this Article shall be applicable to any
sinking fund for the retirement of Securities of a series except as otherwise
specified as contemplated by Section 3.01 for Securities of such series.

                  The minimum amount of any sinking fund payment provided for by
the terms of Securities of any series is herein referred to as a "mandatory
sinking fund payment," and any payment in excess of such minimum amount provided
for by the terms of Securities of any series is herein referred to as an
"optional sinking fund payment." If provided for by the terms of

                                      -67-
<PAGE>
 
Securities of any series, the cash amount of any sinking fund payment may be
subject to reduction as provided in Section 12.02. Each sinking fund payment
shall be applied to the redemption of Securities of any series as provided for
by the terms of Securities of such series.

SECTION 12.02.             Satisfaction of Sinking Fund Payments with
                           Securities.

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

SECTION 12.03.             Redemption of Securities for Sinking Fund.

                  Not less than 60 days prior to each sinking fund payment date
for any series of Securities (unless a shorter period shall be satisfactory to
the Trustee), the Company will deliver to the Trustee an Officers' Certificate
specifying the amount of the next ensuing sinking fund payment for that series
pursuant to the terms of the series, the portion thereof, if any, which is to be
satisfied by payment of cash in the Currency in which the Securities of such
series are denominated (except as provided pursuant to Section 3.01) and the
portion thereof, if any, which is to be satisfied by delivering and crediting
Securities of that series pursuant to Section 12.02 and, prior to or
concurrently with the delivery of such Officers' Certificate, will also deliver
to the Trustee any Securities to be so delivered. Not less than 45 days before
each 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
11.03 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 11.04. Such
notice having been duly given, the redemption of such Securities shall be made
upon the terms and in the manner stated in Sections 11.06 and 11.07.


                                  ARTICLE XIII

                                   DEFEASANCE

SECTION 13.01.             Applicability of Article.

                  If pursuant to Section 3.01 provision is made for the
defeasance of Securities of a series, and if the Securities of such series are
denominated and payable only in Dollars (except as provided pursuant to Section
3.01) then the provisions of this Article shall be applicable except as
otherwise specified as contemplated by Section 3.01 for Securities of such
series.  Defeasance

                                      -68-
<PAGE>
 
provisions, if any, for Securities denominated in a Foreign Currency may be
specified pursuant to Section 3.01.

SECTION 13.02.             Defeasance upon Deposit of Moneys or U.S. Government
                           Obligations.

                  At the Company's option, either (a) the Company shall be
deemed to have been Discharged (as defined below) from its obligations with
respect to Securities of any series on the 91st day after the applicable
conditions set forth below have been satisfied or (b) the Company shall cease to
be under any obligation to comply with any term, provision or condition set
forth in Section 8.01, Section 10.04, Section 10.05 and Section 10.06 with
respect to Securities of any series (and, if so specified pursuant to Section
3.01, any other restrictive covenant added for the benefit of such series) at
any time after the applicable conditions set forth below have been satisfied:

                  (1) the Company shall have deposited or caused to be deposited
         irrevocably with the Trustee as trust funds in trust, specifically
         pledged as security for, and dedicated solely to, the benefit of the
         Holders of the Securities of such series (i) money in an amount, or
         (ii) U.S. Government Obligations (as defined below) which through the
         payment of interest and principal 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 (iii) a combination of (i) and
         (ii), sufficient in the opinion (with respect to (ii) and (iii)) of a
         nationally recognized firm of independent public accountants expressed
         in a written certification thereof delivered to the Trustee, to pay and
         discharge each installment of principal (including any mandatory
         sinking fund payments) of, and interest on, the Outstanding Securities
         of such series on the dates such installments of interest or principal
         are due;

                  (2) if the Securities of such series are then listed the New
         York Stock Exchange, the Company shall have delivered to the Trustee an
         Opinion of Counsel to the effect that the Company's exercise of its
         option under this Section would not cause such Securities to be
         delisted;

                  (3) no Event of Default or event (including such deposit)
         which, with notice or lapse of time, or both, would become an Event of
         Default with respect to the Securities of such series shall have
         occurred and be continuing on the date of such deposit;

                  (4) the Company shall have delivered to the Trustee an Opinion
         of Counsel to the effect that Holders of the Securities of such series
         will not recognize income, gain or loss for Federal income tax purposes
         as a result of the Company's exercise of its option under this Section
         and will be subject to Federal income tax on the same amount and in the
         same manner and at the same times as would have been the case if such
         option had not been exercised, and, in the case of

                                      -69-
<PAGE>
 
         the Securities of such series being Discharged, accompanied by a ruling
         to that effect received from or published by the Internal Revenue
         Service.

                  "Discharged" means that the Company shall be deemed to have
paid and discharged the entire indebtedness represented by, and obligations
under, the Securities of such series and to have satisfied all the obligations
under this Indenture relating to the Securities of such series (and the Trustee,
at the expense of the Company, shall execute proper instruments acknowledging
the same), except (A) the rights of Holders of Securities of such series to
receive payment of the principal of and the interest on such Securities when
such payments are due, (B) the Company's obligations with respect to the
Securities of such series under Sections 3.05, 3.06, 10.02 and 13.03 and (C) the
rights, powers, trusts, duties and immunities of the Trustee hereunder.

                  "U.S. Government Obligations" means securities that are (i)
direct obligations of the United States of America or the payment of which its
full faith and credit is pledged or (ii) obligations of a Person controlled or
supervised by and acting as an agency or instrumentality of the United States of
America the payment of which is unconditionally guaranteed as a full faith and
credit obligation by the United States of America, which in either case under
clauses (i) or (ii) are not callable or redeemable at the option of the issuer
thereof, and shall also include a depository receipt issued by a bank or trust
company as custodian with respect to any such U.S. Government Obligation or a
specific payment of interest on or principal of any such U.S. Government
Obligation held by such custodian for the account of the holder of a depository
receipt, provided that (except as required by law) such custodian is not
authorized to make any deduction from the amount payable to the holder of such
depository receipt from any amount received by the custodian in respect of the
U.S. Government Obligation or the specific payment of interest on or principal
of the U.S. Government Obligation evidenced by such depository receipt.

SECTION 13.03.             Deposited Moneys and U.S. Government Obligations to
                           Be Held in Trust.

                  All moneys and U.S. Government Obligations deposited with the
Trustee pursuant to Section 13.02 in respect of Securities of a series shall be
held in trust and applied by it, in accordance with the provisions of such
Securities and this Indenture, to the payment, either directly or through any
Paying Agent (including the Company acting as its own Paying Agent) as the
Trustee may determine, to the Holders of such Securities, of all sums due and to
become due thereon for principal (premium, if any) and interest, if any, but
such money need not be segregated from other funds except to the extent required
by law.

SECTION 13.04.             Repayment to Company.

                  The Trustee and any Paying Agent shall promptly pay or return
to the Company upon Company Request any money or U.S. Government Obligations
held by them at any time that are not required for the payment of the principal
of (premium, if any) and interest on the Securities of any series for which
money or U.S. Government Obligations have been deposited pursuant to Section
13.02.


                                      -70-
<PAGE>
 
                  The provisions of the last paragraph of Section 10.03 shall
apply to any money held by the Trustee or any Paying Agent under this Article
that remains unclaimed for two years after the Maturity of any series of
Securities for which money or U.S. Government obligations have been deposited
pursuant to Section 13.02.


                                   ARTICLE XIV

                                  SUBORDINATION

SECTION 14.01.             Securities Subordinate to Senior Indebtedness.

                  The Securities shall be subordinated to Senior Indebtedness as
set forth in this Article Fourteen. The Company covenants and agrees, and each
Holder of a Security of any series by such Holder's acceptance thereof likewise
covenants and agrees, that, to the extent and in the manner hereinafter set
forth in this Article Fourteen, the indebtedness represented by the Securities
of such series and the payment of the principal amount, interest and such other
amounts as provided for in Section 3.01, if any, in respect of each and all of
the Securities of such series are hereby expressly made subordinate and subject
in right of payment to the prior payment in full of all Senior Indebtedness;
provided, however, that no provision of this Article Fourteen shall prevent the
occurrence of any default or Event of Default hereunder.

                  For purposes of this Article Fourteen, the following terms
shall have the following meanings:

                  (1) "Indebtedness," as applied to a Person, means, as of the
         date on which Indebtedness is to be determined and without duplication
         (i) all obligations represented by notes, bonds, debentures or similar
         evidences of indebtedness; (ii) all indebtedness for borrowed money or
         for the deferred purchase price of property or services other than, in
         the case of any such deferred purchase price, on normal trade terms;
         (iii) all rental obligations as lessee under leases which shall have
         been or should be, in accordance with generally accepted accounting
         principles, recorded as capital leases; and (iv) all Indebtedness of
         others for the payment of which such Person is responsible or liable as
         obligor or guarantor.

                  (2) "Senior Indebtedness" means the principal of (and premium,
         if any) and interest on (including interest accruing after the filing
         of a petition initiating any proceeding pursuant to any Federal
         bankruptcy law or any other applicable Federal or State law, but only
         to the extent allowed or permitted to the holder of such Indebtedness
         of the Company against the bankruptcy or any other insolvency estate of
         the Company in such proceeding) and other amounts due on or in
         connection with any Indebtedness of the Company incurred, assumed or
         guaranteed by the Company, whether outstanding on the date of this
         Indenture or hereafter incurred, assumed or guaranteed and all
         renewals, extensions and refundings of any such Indebtedness of the
         Company; provided, however, that the following will not constitute
         Senior Indebtedness:

                                      -71-
<PAGE>
 
                           (A) any Indebtedness of the Company as to which, in
                  the instrument creating the same or evidencing the same or
                  pursuant to which the same is outstanding, it is expressly
                  provided that such Indebtedness of the Company shall be
                  subordinated to or pari passu with the Securities;

                           (B) Indebtedness of the Company in respect of the
                  Securities;

                           (C) any Indebtedness of the Company constituting 
                  trade accounts payable arising in the ordinary course of
                  business; and

                           (D) any Indebtedness of the Company to any Subsidiary
                  of the Company.

SECTION 14.02.             Payment Over of Proceeds upon Dissolution, Etc.

                  Upon any distribution of assets of the Company in the event
of:

                  (1) any insolvency or bankruptcy case or proceeding, or any
         receivership, liquidation, reorganization or other similar case or
         proceeding in connection therewith, relative to the Company or to its
         creditors, as such, or to its assets; or

                  (2) any liquidation, dissolution or other winding up of the
         Company, whether voluntary or involuntary and whether or not involving
         insolvency or bankruptcy; or

                  (3) any assignment for the benefit of creditors or any other
         marshaling of assets and liabilities of the Company; then and in such
         event

                           (A) the holders of Senior Indebtedness shall be
                  entitled to receive payment in full of all amounts due or to
                  become due on or in respect of all Senior Indebtedness, or
                  provision shall be made for such payment in cash, before the
                  Holders of the Securities of any series are entitled to
                  receive any payment on account of the principal amount,
                  interest or such other amounts as may be provided for in
                  Section 3.01, if any, in respect of the Securities of such
                  series; and

                           (B) any payment or distribution of assets of the
                  Company of any kind or character, whether in cash, property or
                  securities, by set-off or otherwise, to which the Holders or
                  the Trustee would be entitled but for the provisions of this
                  Article Fourteen, including any such payment or distribution
                  which may be payable or deliverable by reason of the payment
                  of any other Indebtedness of the Company being subordinated to
                  the payment of the Securities of such series, shall be paid by
                  the liquidating trustee or agent or other Person making such
                  payment or distribution, whether a trustee in bankruptcy, a
                  receiver or liquidating trustee or otherwise, directly to the
                  holders of Senior Indebtedness or their representative or
                  representatives or to the trustee or trustees under any
                  indenture under which any instruments evidencing any of such
                  Senior Indebtedness may have been issued,

                                      -72-
<PAGE>
 
                  ratably according to the aggregate amounts remaining unpaid on
                  account of the principal of (and premium, if any) and interest
                  on the Senior Indebtedness held or represented by each, to the
                  extent necessary to make payment in full of all Senior
                  Indebtedness remaining unpaid, after giving effect to any
                  concurrent payment or distribution to the holders of such
                  Senior Indebtedness or provision therefor.

                  In the event that, notwithstanding the foregoing provisions of
this Section 14.02, the Trustee or the Holder of any Security of any series
shall receive any payment or distribution of assets of the Company of any kind
or character, whether in cash, property or securities, including any such
payment or distribution which may be payable or deliverable by reason of the
payment of any other Indebtedness of the Company being subordinated to the
payment of the Securities of such series, before all Senior Indebtedness is paid
in full or payment thereof provided for, and if such fact shall then have been
made known to the Trustee as provided in Section 14.10, or, as the case may be,
such Holder, then and in such event such payment or distribution shall be paid
over or delivered forthwith to the trustee in bankruptcy, receiver, liquidating
trustee, custodian, assignee, agent or other Person making payment or
distribution of assets of the Company for application to the payment of all
Senior Indebtedness remaining unpaid, to the extent necessary to pay all Senior
Indebtedness in full, after giving effect to any concurrent payment or
distribution to or for the holders of Senior Indebtedness.

                  For purposes of this Article Fourteen only, the words "cash,
property or securities," or any combination thereof, shall not be deemed to
include shares of capital stock of the Company as reorganized or readjusted, or
securities of the Company or any other corporation provided for by a plan of
reorganization or readjustment the payment of which is subordinated, at least to
the extent provided in this Article Fourteen with respect to the Securities, to
the payment of all Senior Indebtedness which may at the time be outstanding;
provided, however, that (i) Senior Indebtedness is assumed by the new
corporation, if any, resulting from any such reorganization or readjustment, and
(ii) the rights of the holders of the Senior Indebtedness are not, without the
consent of such holders, altered, in any manner adverse to such holders, by such
reorganization or readjustment.

                  The consolidation of the Company with, or the merger of the
Company into, another corporation or the liquidation or dissolution of the
Company following the conveyance or transfer of all or substantially all of its
assets to another Person upon the terms and conditions set forth in Article
Eight shall not be deemed a dissolution, winding up, liquidation,
reorganization, assignment for the benefit of creditors or marshaling of assets
and liabilities of the Company for the purposes of this Section 14.02 if the
corporation formed by such consolidation or into which the Company is merged or
the Person which acquires by conveyance or transfer all or substantially all of
the assets of the Company, as the case may be, shall, as a part of such
consolidation, merger, conveyance or transfer, comply with the conditions set
forth in Article Eight.

SECTION 14.03.             Prior Payment to Senior Indebtedness upon
                           Acceleration of Securities.

                  In the event that any Securities of any series are declared
due and payable before their maturity in accordance with Section 5.02 because of
an Event of Default, then and in such event the holders of Senior Indebtedness
shall be entitled to

                                      -73-
<PAGE>
 
receive payment in full of all amounts due or to become due on or in respect of
all Senior Indebtedness or provision shall be made for such payment in cash,
before the Holders of the Securities of such series are entitled to receive any
payment (including any payment which may be payable by reason of the payment of
any other Indebtedness of the Company being subordinated to the payment of the
Securities of such series) by the Company on account of the principal of (or
premium, if any) or interest or other amounts on Securities of such series as
provided in Section 3.01, if any, or on account of the purchase or other
acquisition of Securities of such series.

                  In the event that, notwithstanding the foregoing, the Company
shall make any payment to the Trustee or the Holder of any Securities of any
series prohibited by the foregoing provisions of this Section 14.03, and if such
facts then shall have been known or thereafter shall have been made known to the
Trustee (as provided in Section 14.10) or to such Holder, as the case may be,
pursuant to the terms of this Indenture, then and in such event such payment
shall be paid over and delivered forthwith to the Company by or on behalf of the
Person holding such payment for the benefit of the holders of Senior
Indebtedness.

                  The provisions of this Section 14.03 shall not apply to any
payment with respect to which Section 14.02 would be applicable.

SECTION 14.04.             Default in Senior Indebtedness.

                  In the event and during the continuation of any default by the
Company in the payment of principal (and premium, if any) interest or any other
payment due on any Senior Indebtedness of the Company, as the case may be,
beyond any applicable grace period with respect thereto, or in the event that
the maturity of any Senior Indebtedness of the Company has been accelerated
because of a default, then, in any such case, or exchange no payment shall be
made by the Company with respect to the principal (including redemption or
exchange payments, if any) of, premium, if any, or interest or other amounts on
the Securities until such default is cured or waived or ceases to exist or any
such acceleration or demand for payment has been rescinded.

SECTION 14.05.             Payment Permitted if No Default.

                  Nothing contained in this Article Fourteen or elsewhere in
this Indenture or in any of the Securities shall prevent (a) the Company, at any
time except during the pendency of any case, proceeding, dissolution,
liquidation or other winding up, assignment for the benefit of creditors or
other marshaling of assets and liabilities of the Company referred to in Section
14.02 or under the conditions described in Sections 14.03 or 14.04, from making
payments at any time of the principal amount, interest or such other amounts as
may be provided for in Section 3.01, if any, as the case may be, in respect of
the Securities, or (b) the application by the Trustee or the retention by any
Holder of any money deposited with it hereunder to the payment of or on account
of the principal amount, interest or such other amounts as may be provided for
in Section 3.01, if any, as the case may be, in respect of the Securities if the
Trustee did not have, at the time provided in the proviso to the first paragraph
of Section 14.10, notice that such payment would have been prohibited by the
provisions of this Article Fourteen.

                                      -74-
<PAGE>
 
SECTION 14.06.             Subrogation Rights of Holders of Senior Indebtedness.

                  Subject to the payment in full of all Senior Indebtedness, the
Holders of the Securities of any series shall be subrogated to the extent of the
payments or distributions made to the holders of such Senior Indebtedness
pursuant to the provisions of this Article Fourteen to the rights of the holders
of such Senior Indebtedness to receive payments or distributions of cash,
property or securities applicable to the Senior Indebtedness until the principal
amount, interest or such other amounts as provided for in Section 3.01, if any,
as the case may be, in respect of the Securities of such series shall be paid in
full. For purposes of such subrogation, no payments or distributions to the
holders of the Senior Indebtedness of any cash, property or securities to which
the Holders of the Securities of such series or the Trustee would be entitled
except for the provisions of this Article Fourteen, and no payments pursuant to
the provisions of this Article Fourteen to the Company or to the holders of
Senior Indebtedness by Holders of the Securities of such series or the Trustee,
shall, as between the Company, its creditors other than holders of Senior
Indebtedness and the Holders of the Securities of such series, be deemed to be a
payment or distribution by the Company to or on account of the Senior
Indebtedness.

SECTION 14.07.             Provision Solely to Define Relative Rights.

                  The provisions of this Article Fourteen are and are intended
solely for the purpose of defining the relative rights of the Holders of the
Securities of any series, on one hand, and the holders of Senior Indebtedness,
on the other hand. Nothing contained in this Article Fourteen or elsewhere in
this Indenture or in the Securities of any series is intended to or shall:

                  (1) impair, as between the Company and the Holders of the
         Securities of such series, the obligation of the Company, which is
         absolute and unconditional, to pay to the Holders of the Securities of
         such series the principal amount, interest or such other amounts as may
         be provided for in Section 3.01, if any, as the case may be, in respect
         of the Securities of such series as and when the same shall become due
         and payable in accordance with the terms of the Securities of such
         series and this Indenture and which, subject to the rights under this
         Article Fourteen of the holders of Senior Indebtedness, is intended to
         rank equally with all other general obligations of the Company; or

                  (2) affect the relative rights against the Company of the
         Holders of the Securities of such series and creditors of the Company
         other than holders of Senior Indebtedness; or

                  (3) prevent the Trustee or the Holder of any Security of such
         series from exercising all remedies otherwise permitted by applicable
         law upon default or an Event of Default under this Indenture, subject
         to the rights, if any, under this Article Fourteen of the holders of
         Senior Indebtedness to receive cash, property or securities otherwise
         payable or deliverable to the Trustee or such Holder.

                                      75
<PAGE>
SECTION 14.08.              Trustee to Effectuate Subordination. 

                  Each Holder of a Security by such Holder's acceptance thereof
authorizes and directs the Trustee on such Holder's behalf to take such action
as may be necessary or appropriate to effectuate the subordination provided in
this Article Fourteen and appoints the Trustee such Holder's attorney-in-fact
for any and all such purposes.

SECTION 14.09.             No Waiver of Subordination Provisions.

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

                  Without in any way limiting the generality of the foregoing
paragraph, the holders of Senior Indebtedness may, at any time and from time to
time, without the consent of, or notice to, the Trustee or the Holders of the
Securities of any series, without incurring responsibility to the Holders of the
Securities of such series and without impairing or releasing the subordination
provided in this Article Fourteen or the obligations hereunder of the Holders of
the Securities of such series to the holders of Senior Indebtedness, do any one
or more of the following: (i) change the manner, place or terms of payment or
extend the time of payment of, or renew or alter, Senior Indebtedness, or
otherwise amend or supplement in any manner Senior Indebtedness or any
instrument evidencing the same or any agreement under which Senior Indebtedness
is outstanding; (ii) sell, exchange, release or otherwise dispose of any
property pledged, mortgaged or otherwise securing Senior Indebtedness; (iii)
release any Person liable in any manner for the collection of Senior
Indebtedness and (iv) exercise or refrain from exercising any rights against the
Company or any other Person.

SECTION 14.10.             Notice to Trustee.

                  The Company shall give prompt written notice to the Trustee of
any fact known to the Company which would prohibit the making of any payment to
or by the Trustee in respect of the Securities of any series. Failure to give
such notice shall not affect the subordination of the Securities of such series
to Senior Indebtedness. Notwithstanding the provisions of this Article Fourteen
or any other provision of this Indenture, the Trustee shall not be charged with
knowledge of the existence of any facts which would prohibit the making of any
payment to or by the Trustee in respect of the Securities of such series, unless
and until the Trustee shall have received written notice thereof in accordance
with Section 1.05 from the Company or a holder of Senior Indebtedness or from
any trustee or agent therefor; and, prior to the receipt of any such written
notice, the Trustee, subject to the provisions of Section 6.01, shall be
entitled in all respects to assume conclusively that no such facts exist;
provided, however, that if the Trustee shall not have received, at least three
Business Days prior to the date upon which by the terms hereof any such money
may become payable for any purpose (including, without limitation, the payment
of the principal amount, interest or such other amounts as may be provided for
in Section 3.01, if any, as the case may be, in respect of any Security of such
series), the notice with respect

                                      -76-
<PAGE>
 
to such money provided for in this Section 14.10, then, anything herein
contained to the contrary notwithstanding, the Trustee shall have full power and
authority to receive such money and to apply the same to the purpose for which
such money was 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.

                  Subject to the provisions of Section 6.01, the Trustee shall
be entitled to rely on the delivery to it of a written notice by a Person
representing himself to be a holder of Senior Indebtedness (or a trustee or
agent on behalf of such holder) to establish that such notice has been given by
a holder of Senior Indebtedness (or a trustee or agent on behalf of any such
holder). 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 Fourteen, 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, the extent to which such Person is entitled to
participate in such payment or distribution and any other facts pertinent to the
rights of such Person under this Article Fourteen, and if such evidence is not
furnished, the Trustee may defer any payment which it may be required to make
for the benefit of such Person pursuant to the terms of this Indenture pending
judicial determination as to the right of such Person to receive such payment.

SECTION 14.11.             Reliance on Judicial Order or Certificate of
                           Liquidating Agent.

                  Upon any payment or distribution of assets of the Company
referred to in this Article Fourteen, the Trustee, subject to the provisions of
Section 6.01, and the Holders of the Securities of any series shall be entitled
to rely upon any order or decree entered by any court of competent jurisdiction
in which such insolvency, bankruptcy, receivership, liquidation, reorganization,
dissolution, winding up or similar case or proceeding is pending, or a
certificate of the trustee in bankruptcy, liquidating trustee, custodian,
receiver, assignee for the benefit of creditors, agent or other Person making
such payment or distribution, delivered to the Trustee or to the Holders of
Securities of such series, for the purpose of ascertaining the Persons entitled
to participate in such payment or distribution, the holders of 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 Fourteen.

SECTION 14.12.             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 the Trustee 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 Fourteen or otherwise. The Trustee shall not be charged
with knowledge of the existence of Senior Indebtedness or of any facts that
would prohibit any payment hereunder unless the Trustee shall have received
notice in accordance with Section 1.05. 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 Fourteen
and no implied

                                      -77-
<PAGE>
 
covenants or obligations with respect to holders of Senior Indebtedness shall be
read into this Indenture against the Trustee.

SECTION 14.13.             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 Fourteen 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 Fourteen shall apply to claims of, or
payments to, the Trustee under or pursuant to Section 6.07.

SECTION 14.14.             Article XIV Applicable to Paying Agents.

                  The term "Trustee" as used in this Article Fourteen shall
(unless the context otherwise requires) be construed as extending to and
including the Paying Agent within its meaning as fully for all intents and
purposes as if the Paying Agent were named in this Article Fourteen in addition
to or in place of the Trustee; provided, however, that Sections 14.10 and 14.12
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.



                                      -78-
<PAGE>
 
                  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.

                                              TRIBUNE COMPANY

[Seal]

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



Attest:


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


                                              BANK OF MONTREAL TRUST
                                              COMPANY, Trustee

[Seal]

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

Attest:



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




                                      -79-

<PAGE>
 
                                                                       Exhibit 5


                                SIDLEY & AUSTIN
               A PARTNERSHIP INCLUDING PROFESSIONAL CORPORATIONS

                           ONE FIRST NATIONAL PLAZA
                            CHICAGO, ILLINOIS 60603
                            TELEPHONE 312: 853-7000
                            FACSIMILE 312: 853-7036

                                March 24, 1999



Tribune Company
435 North Michigan Avenue
Chicago, Illinois  60611

     Re:  Registration Statement on Form S-3 $1,500,000,000 Aggregate Initial
          Public Offering Price of Debt Securities and Warrants to Purchase Debt
          Securities

Ladies and Gentlemen:

          We refer to the Registration Statement on Form S-3 (the "Registration
Statement") being filed by Tribune Company, a Delaware corporation (the
"Company"), with the Securities and Exchange Commission (the "SEC") under the
Securities Act of 1933, as amended (the "Securities Act"), relating to the shelf
registration of $1,500,000,000 aggregate initial public offering price of the
Company's (i) debt securities (the "Debt Securities"), which may be unsecured
senior debt securities (the "Senior Debt Securities") and/or unsecured
subordinated debt securities (the "Subordinated Debt Securities"), and (ii)
warrants to purchase Debt Securities (the "Warrants"). Unless otherwise
specified in the applicable prospectus supplement, the Senior Debt Securities
are to be issued under the Indenture dated as of January 1, 1997 (the "Senior
Indenture") between the Company and Bank of Montreal Trust Company, as trustee;
and the Subordinated Debt Securities are to be issued under an Indenture (the
"Subordinated Indenture") to be entered into between the Company and Bank of
Montreal, as trustee (the "Subordinated Trustee"), substantially in the form
being filed as Exhibit 4.2 to the Registration Statement. Any Warrants are to be
issued under a Warrant Agreement, the form of which is being incorporated by
reference as Exhibit 4.3 to the Registration Statement (a "Warrant Agreement").

          In rendering the opinions expressed below, we have examined and relied
upon a copy of the Registration Statement and the exhibits filed thereto. We
have also examined originals, or copies of originals certified to our
satisfaction, of such agreements, documents, certificates and statements of
government officials and other instruments, and have examined such questions of
law and have satisfied ourselves as to such matters of fact, as we have
considered relevant and necessary as a basis for this opinion. We have assumed
the authenticity of all documents submitted to us as originals, the genuineness
of all signatures, the legal capacity of all persons and the conformity with the
original documents of any copies thereof submitted to us for examination.
<PAGE>

SIDLEY & AUSTIN                                                          CHICAGO


 
Tribune Company
March 24, 1999
Page 2

          Based on the foregoing, and subject to the qualifications and
limitations hereinafter set forth, we are of the opinion that:

          1.   Each series of Senior Debt Securities will be legally issued and
     binding obligations of the Company (except as may be limited by applicable
     bankruptcy, insolvency, reorganization, moratorium, fraudulent transfer or
     other similar laws affecting the enforcement of creditors' rights generally
     and by the effect of general principles of equity, regardless of whether
     enforceability is considered in a proceeding in equity or at law) when: (i)
     the Registration Statement, as finally amended (including any necessary
     post-effective amendments), shall have become effective under the
     Securities Act; (ii) a prospectus supplement (including any pricing
     supplement) with respect to such series of Senior Debt Securities shall
     have been filed with the SEC in compliance with Rule 424 under the
     Securities Act; (iii) the Company's Board of Directors or a duly authorized
     committee thereof (the "Company Board") shall have duly adopted final
     resolutions authorizing the issuance and sale of such series of Senior Debt
     Securities as contemplated by the Registration Statement and the Senior
     Indenture; and (iv) such series of Senior Debt Securities shall have been
     duly executed and authenticated as provided in the Senior Indenture and
     such resolutions and shall have been duly delivered to the purchasers
     thereof against payment of the agreed consideration therefor.

          2.   Each series of Subordinated Debt Securities will be legally
     issued and binding obligations of the Company (except as may be limited by
     applicable bankruptcy, insolvency, reorganization, moratorium, fraudulent
     transfer or other similar laws affecting the enforcement of creditors'
     rights generally and by the effect of general principles of equity,
     regardless of whether enforceability is considered in a proceeding in
     equity or at law) when: (i) the Registration Statement, as finally amended
     (including any necessary post-effective amendments), shall have become
     effective under the Securities Act and the Subordinated Indenture
     (including any necessary supplemental indenture) shall have been qualified
     under the Trust Indenture Act of 1939, as amended, and duly executed and
     delivered by the Company and the Subordinated Trustee; (ii) a prospectus
     supplement (including any pricing supplement) with respect to such series
     of Subordinated Debt Securities shall have been filed with the SEC in
     compliance with Rule 424 under the Securities Act; (iii) the Company Board
     shall have duly adopted final resolutions authorizing the issuance and sale
     of such series of Subordinated Debt Securities as contemplated by the
     Registration Statement and the Subordinated Indenture; and (iv) such series
     of Subordinated Debt Securities shall have been duly executed and
     authenticated as provided in the Subordinated Indenture and such
     resolutions and shall have been duly delivered to the purchasers thereof
     against payment of the agreed consideration therefor.
<PAGE>

SIDLEY & AUSTIN                                                          CHICAGO

 
Tribune Company
March 24, 1999
Page 3

          3.   Each series of Warrants will be legally issued and binding
     obligations of the Company (except as may be limited by applicable
     bankruptcy, insolvency, reorganization, moratorium, fraudulent transfer or
     other similar laws affecting the enforcement of creditors' rights generally
     and by the effect of general principles of equity, regardless of whether
     enforceability is considered in a proceeding in equity or at law) when: (i)
     the Registration Statement, as finally amended (including any necessary
     post-effective amendments), shall have become effective under the
     Securities Act; (ii) a prospectus supplement with respect to such issue of
     Warrants shall have been filed with the SEC in compliance with Rule 424
     under the Securities Act; (iii) a Warrant Agreement relating to such issue
     of Warrants, substantially in the form filed as an exhibit to the
     Registration Statement, shall have been duly authorized, executed and
     delivered by the Company and duly executed and delivered by the Warrant
     Agent (as defined in such Warrant Agreement); (iv) the Company Board shall
     have duly adopted final resolutions authorizing the issuance and sale of
     such issue of Warrants as contemplated by the Registration Statement and
     such Warrant Agreement; and (v) such series of Warrants shall have been
     duly executed by the Company and countersigned by the Warrant Agreement in
     accordance with such Warrant Agreement and such resolutions and shall have
     been duly delivered to the purchasers thereof against payment of the agreed
     consideration therefor.

          For the purposes of this opinion letter, we have assumed that, at the
time of the issuance, sale and delivery of each series of Senior Debt
Securities, each series of Subordinated Debt Securities or each issue of
Warrants, as the case may be: (i) the authorization thereof by the Company will
not have been modified or rescinded, and there will not have occurred any change
in law affecting the validity, legally binding character or enforceability
thereof; (ii) in the case of the issue of Senior Debt Securities or Subordinated
Debt Securities, the Senior Indenture or form of Subordinated Debt Indenture, as
the case may be, will not have been modified or amended; (iii) in the case of
the issue of Warrants, the terms and conditions of such Warrants and the related
Warrant Agreement will be as expressly contemplated by the Registration
Statement; and (iv) the Company's Certificate of Incorporation and By-laws, as
currently in effect, will not have been modified or amended and will be in full
force and effect.

          This opinion letter is limited to the General Corporation Law of the
State of Delaware, the laws of the State of Illinois and the federal laws of the
United States of America. For purposes of this opinion letter, we have assumed
that there will be no changes in the laws currently applicable to the Company
and that such laws will be the only laws applicable to the Company.
<PAGE>

SIDLEY & AUSTIN                                                          CHICAGO

 
Tribune Company
March 24, 1999
Page 4
     
          We do not find it necessary for the purposes of this opinion letter to
cover, and accordingly we express no opinion as to, the application of the
securities or blue sky laws of the various states or the District of Columbia to
sales of the Senior Debt Securities, the Subordinated Debt Securities or the
Warrants.

          We hereby consent to the filing of this opinion letter as an Exhibit
to the Registration Statement and to the reference to our firm included under
the caption "Legal Matters" in the prospectus forming a part of the Registration
Statement. In giving such consent, we do not thereby admit that we are within
the category of persons whose consent is required by Section 7 of the Securities
Act or the related rules promulgated by the SEC thereunder.

                                    Very truly yours,

                                    /s/ Sidley & Austin

<PAGE>
 
                                                                    Exhibit 23.1


                      CONSENT OF INDEPENDENT ACCOUNTANTS
                      ----------------------------------


We hereby consent to the incorporation by reference in the prospectus
constituting part of this Registration Statement on Form S-3 of our report dated
February 9, 1999, except as to Note 2, which is as of March 1, 1999, appearing
in the 1998 Annual Report to Shareholders of Tribune Company, which is
incorporated by reference in Tribune Company's Annual Report on Form 10-K for
the year ended December 27, 1998. We also consent to the incorporation by
reference of our report on the Financial Statement Schedule, which appears in
such Annual Report on Form 10-K. We also consent to the reference to us under
the heading "Experts" in such prospectus.


/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP

Chicago, Illinois
March 24, 1999


<PAGE>

                                                                    EXHIBIT 25.1
______________________________________________________________________________
______________________________________________________________________________


                       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) ____

                         BANK OF MONTREAL TRUST COMPANY
              (Exact name of trustee as specified in its charter)

                   New York                                  13-4941093
(Jurisdiction of incorporation or organization            (I.R.S. employer
         if not a U.S. national bank)                    identification no.)


              Wall Street Plaza
                88 Pine Street
              New York, New York                                10005
   (Address of principal executive offices)                  (Zip code)

                               Mark F. McLaughlin
                         Bank of Montreal Trust Company
                               Wall Street Plaza
                    88 Pine Street, New York, New York 10005
                                 (212) 701-7602
           (Name, address and telephone number of agent for service)
                      ____________________________________

                                TRIBUNE COMPANY
              (Exact name of obligor as specified in its charter)

             Delaware                                    36-1880355
  (State or other jurisdiction of                     (I.R.S. employer
  incorporation or organization)                   identification number)

                           435 North Michigan Avenue
                               Chicago, IL  60611
                    (Address of principal executive offices)
                     ______________________________________

                             Senior Debt Securities
                      (Title of the indenture securities)



________________________________________________________________________________
________________________________________________________________________________
<PAGE>
 
                                       -2-

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.

                                Federal Reserve Bank of New York
                                33 Liberty Street, New York N.Y. 10045

                                State of New York Banking Department
                                2 Rector Street, New York, N.Y. 10006

     (b)  Whether it is authorized to exercise corporate trust powers.

                 The Trustee is authorized to exercise corporate trust powers.

Item 2.   Affiliations with the Obligor.

          If the obligor is an affiliate of the trustee, describe each such
affiliation.

               The obligor is not an affiliate of the trustee.

Item 16.  List of Exhibits.

     List below all exhibits filed as part of this statement of eligibility.

     Exhibit 1 - Copy of Organization Certificate of Bank of Montreal Trust
          Company to transact business and exercise corporate trust powers;
          incorporated herein by reference as Exhibit "A" filed with Form T-1
          Statement, Registration No. 33-46118.

     Exhibit 4 - Copy of the existing By-Laws of Bank of Montreal Trust Company;
          incorporated herein by reference as Exhibit "B" filed with Form T-1
          Statement, Registration No. 33-80928.

     Exhibit 6 - The consent of the Trustee required by Section 321(b) of the
          Act; incorporated herein by reference as Exhibit "C" with Form T-1
          Statement, Registration No. 33-46118.

     Exhibit 7 - A copy of the latest report of condition of Bank of Montreal
          Trust Company published pursuant to law or the requirements of its
          supervising or examining authority, attached hereto as Exhibit "D".

                                       SIGNATURE

          Pursuant to the requirements of the Trust Indenture Act of 1939 the
     Trustee, Bank of Montreal Trust Company, 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 23rd day of March, 1999.

                                BANK OF MONTREAL TRUST COMPANY



                                By: /s/ Amy S. Roberts
                                    ---------------------------
                                           Amy S. Roberts
                                           Vice President
<PAGE>
 
                                                                     EXHIBIT "D"
                             STATEMENT OF CONDITION
                         BANK OF MONTREAL TRUST COMPANY
                                   NEW YORK
                          ----------------------------
<TABLE> 
<S>                                             <C>
ASSETS
 
Due From Banks                                  $   677,400
                                                -----------
 
Investment Securities:
     State & Municipal                           16,513,582
     Other                                              100
                                                -----------
          Total Securities                       16,513,682
 
Loans and Advances
     Federal Funds Sold                          20,900,000
     Overdrafts                                      12,169
                                                -----------
          Total Loans and Advances               20,912,169
 
Investment in Harris Trust, NY                    8,725,608
Premises and Equipment                              475,614
Other Assets                                      2,636,845
                                                -----------
                                                 11,838,067
                                                -----------
 
          TOTAL ASSETS                          $49,941,318
                                                ===========
 
LIABILITIES
 
Trust Deposits                                  $ 8,191,549
Other Liabilities                                16,944,443
                                                -----------
          TOTAL LIABILITIES                      25,135,992
 
CAPITAL ACCOUNTS
 
Capital Stock, Authorized, Issued and
     Fully Paid - 10,000 Shares of $100 Each      1,000,000
Surplus                                           4,222,188
Retained Earnings                                19,605,350
Equity - Municipal Gain/Loss                        (22,212)
                                                -----------
          TOTAL CAPITAL ACCOUNTS                 24,805,326
                                                -----------
 
          TOTAL LIABILITIES
          AND CAPITAL ACCOUNTS                  $49,941,318
                                                ===========
</TABLE>

     I, Mark F. McLaughlin, Vice President, of the above-named bank do hereby
declare that this Report of Condition is true and correct to the best of my
knowledge and belief.

                    Mark F. McLaughlin
                    June 30, 1998

     We, the undersigned directors, attest to the correctness of this statement
of resources and liabilities. We declared that it has been examined by us, and
to the best of our knowledge and belief has been prepared in conformance with
the instructions and is true and correct.

                    Sanjiv Tandon
                    Kevin O. Healy
                    Steven R. Rothbloom

<PAGE>

                                                                    EXHIBIT 25.2

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

                       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) ____

                         BANK OF MONTREAL TRUST COMPANY
              (Exact name of trustee as specified in its charter)

                   New York                                      13-4941093
(Jurisdiction of incorporation or organization                (I.R.S. employer
         if not a U.S. national bank)                        identification no.)

              Wall Street Plaza
                88 Pine Street
              New York, New York                                    10005
   (Address of principal executive offices)                      (Zip code)

                               Mark F. McLaughlin
                         Bank of Montreal Trust Company
                               Wall Street Plaza
                    88 Pine Street, New York, New York 10005
                                 (212) 701-7602
           (Name, address and telephone number of agent for service)
                      ____________________________________

                                TRIBUNE COMPANY
              (Exact name of obligor as specified in its charter)

             Delaware                                           36-1880355
  (State or other jurisdiction of                            (I.R.S. employer
  incorporation or organization)                          identification number)

                           435 North Michigan Avenue
                               Chicago, IL 60611
                    (Address of principal executive offices)
                     ______________________________________

                          Subordinated Debt Securities
                      (Title of the indenture securities)


================================================================================
<PAGE>
 
                                      -2-

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.

                         Federal Reserve Bank of New York
                         33 Liberty Street, New York, N.Y. 10045

                         State of New York Banking Department
                         2 Rector Street, New York, N.Y. 10006

     (b)  Whether it is authorized to exercise corporate trust powers.

               The Trustee is authorized to exercise corporate trust powers.

Item 2.   Affiliations with the Obligor.
          ------------------------------

          If the obligor is an affiliate of the trustee, describe each such 
          affiliation.

               The obligor is not an affiliate of the trustee.

Item 16.  List of Exhibits.
          -----------------

     List below all exhibits filed as part of this statement of eligibility.

     Exhibit 1 - Copy of Organization Certificate of Bank of Montreal Trust
             Company to transact business and exercise corporate trust powers;
             incorporated herein by reference as Exhibit "A" filed with Form T-1
             Statement, Registration No. 33-46118.

     Exhibit 4 - Copy of the existing By-Laws of Bank of Montreal Trust Company;
             incorporated herein by reference as Exhibit "B" filed with Form T-1
             Statement, Registration No. 33-80928.

     Exhibit 6 - The consent of the Trustee required by Section 321(b) of the
             Act; incorporated herein by reference as Exhibit "C" with Form T-1
             Statement, Registration No. 33-46118.

     Exhibit 7 - A copy of the latest report of condition of Bank of Montreal
             Trust Company published pursuant to law or the requirements of its
             supervising or examining authority, attached hereto as Exhibit "D".

                                   SIGNATURE

          Pursuant to the requirements of the Trust Indenture Act of 1939 the
     Trustee, Bank of Montreal Trust Company, 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 23rd day of March, 1999.

                        BANK OF MONTREAL TRUST COMPANY


                            /s/ Amy S. Roberts
                        By: _________________________________
                                   Amy S. Roberts
                                   Vice President
<PAGE>
 
                                                                     EXHIBIT "D"
                            STATEMENT OF CONDITION
                        BANK OF MONTREAL TRUST COMPANY
                                   NEW YORK
                         ----------------------------
<TABLE> 
<S>                                             <C>
ASSETS
 
Due From Banks                                  $   677,400
                                                -----------
 
Investment Securities:
     State & Municipal                           16,513,582
     Other                                              100
                                                -----------
          Total Securities                       16,513,682
 
Loans and Advances
     Federal Funds Sold                          20,900,000
     Overdrafts                                      12,169
                                                -----------
          Total Loans and Advances               20,912,169
 
Investment in Harris Trust, NY                    8,725,608
Premises and Equipment                              475,614
Other Assets                                      2,636,845
                                                -----------
                                                 11,838,067
                                                -----------
 
          TOTAL ASSETS                          $49,941,318
                                                ===========
 
LIABILITIES
 
Trust Deposits                                  $ 8,191,549
Other Liabilities                                16,944,443
                                                -----------
          TOTAL LIABILITIES                      25,135,992
 
CAPITAL ACCOUNTS
 
Capital Stock, Authorized, Issued and
     Fully Paid - 10,000 Shares of $100 Each      1,000,000
Surplus                                           4,222,188
Retained Earnings                                19,605,350
Equity - Municipal Gain/Loss                        (22,212)
                                                -----------
          TOTAL CAPITAL ACCOUNTS                 24,805,326
                                                -----------
 
          TOTAL LIABILITIES
          AND CAPITAL ACCOUNTS                  $49,941,318
                                                ===========
</TABLE>

     I, Mark F. McLaughlin, Vice President, of the above-named bank do hereby
declare that this Report of Condition is true and correct to the best of my
knowledge and belief.

                    Mark F. McLaughlin
                    June 30, 1998

     We, the undersigned directors, attest to the correctness of this statement
of resources and liabilities. We declared that it has been examined by us, and
to the best of our knowledge and belief has been prepared in conformance with
the instructions and is true and correct.

                    Sanjiv Tandon
                    Kevin O. Healy
                    Steven R. Rothbloom


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