PENNZOIL QUAKER STATE CO
S-3/A, 1999-01-21
PETROLEUM REFINING
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<PAGE>
 
    
 As filed with the Securities and Exchange Commission on January 21, 1999     
                                                    
                                                 Registration No. 333-65909     
 
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- --------------------------------------------------------------------------------
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
 
                                ----------------
                               
                            AMENDMENT NO. 1 TO     
                                    FORM S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
 
                                ----------------
                          
                       PENNZOIL-QUAKER STATE COMPANY     
             (Exact name of registrant as specified in its charter)
 
                                ----------------
 
               Delaware                                  76-0200625
   (State or other jurisdiction of            (I.R.S. Employer Identification
    incorporation or organization)                        Number)
 
                                ----------------
 
    Pennzoil Place, P.O. Box 2967                     Linda F. Condit
      Houston, Texas 77252-2967                          Secretary
            (713) 546-4000                       Pennzoil Products Company
  (Address, including zip code, and            Pennzoil Place, P.O. Box 2967
   telephone number, including area              Houston, Texas 77252-2967
   code, of Registrant's principal                     (713) 546-4000
          executive offices)                (Name, address, including zip code,
                                              and telephone number, including
                                              area code, of agent for service)
 
                                ----------------
                                With a copy to:
 
                              Moulton Goodrum, Jr.
                             Baker & Botts, L.L.P.
                                One Shell Plaza
                           Houston, Texas 77002-4995
                                ----------------
 
  Approximate date of commencement of proposed sale to the public: From time to
time after this Registration Statement becomes effective.
 
  If the only securities being registered on this Form are to be 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. [_]
       
  THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933, OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.
 
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<PAGE>
 
                  
               Subject to Completion, dated January 21, 1999          PROSPECTUS
 
                                 $1,000,000,000
                          
                       Pennzoil-Quaker State Company     
 
                                Debt Securities
                                  Common Stock
                                Preferred Stock
                                    Warrants
          
 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 Securities and
 Exchange Commission 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.     
   
  Pennzoil-Quaker State Company may offer from time to time its (1) unsecured
debt securities consisting of senior notes and debentures and subordinated
notes and debentures, and/or other unsecured evidences of indebtedness in one
or more series; (2) shares of common stock; (3) shares of preferred stock, in
one or more series, which may be convertible into or exchangeable for common
stock or debt securities; and (4) warrants to purchase debt securities,
preferred stock, common stock or other securities.     
 
  The aggregate initial offering price of the securities that we offer will not
exceed $1,000,000,000. We will offer the securities in amounts, at prices and
on terms to be determined by market conditions at the time of our offering.
   
  We will provide the specific terms of the securities in supplements to this
Prospectus. You should read this Prospectus and the Prospectus Supplements
carefully before you invest in the securities. This Prospectus may not be used
to consummate sales of securities unless accompanied by a Prospectus
Supplement.     
   
  Consider carefully the risk factors beginning on page 2.     
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.
                 
              The date of this Prospectus is January  , 1999     
<PAGE>
 
                                  THE COMPANY
   
  Pennzoil-Quaker State Company (the "Company") is a premier worldwide
automotive aftermarket products and consumer car care company. The Company has
strong brand-name recognition in key product categories, such as motor oil with
Pennzoil(R) and Quaker State(R), fast oil changes with Jiffy Lube(R) and Q-
Lube(R), and car care products with Slick 50(R), Rain-X(R), Blue Coral(R),
Black Magic(R), Westley's(R), Medo(R), Autoshade(R), Gumout(R), Fix-a-Flat(R),
Outlaw(R), Snap(R), Classic(R) Car Wax and others.     
   
  The Company is the result of the consolidation and separation (the "Spin-
off") of the motor oil, refined products and Jiffy Lube(R) fast lube operations
of PennzEnergy Company, formerly Pennzoil Company ("PennzEnergy"), and the
subsequent acquisition by the Company of Quaker State Corporation ("Quaker
State") through a merger (the "Merger").     
 
  The Company, incorporated in Delaware, maintains its principal executive
offices at Pennzoil Place, P.O. Box 2967, Houston, Texas 77252-2967, and its
telephone number is 713/546-4000.
 
                                  RISK FACTORS
   
Potential Difficulties Resulting from the Merger     
 
  The Company and Quaker State have previously operated separately. The
management team of the Company has little experience with the combined
business. The Company may not be able to integrate the operations of the
Company and Quaker State without a loss of key employees, customers,
franchisees or suppliers; loss of revenues; increase in operating or other
costs; or other difficulties. In addition, the Company may not be able to
realize the operating efficiencies and other benefits sought from the Merger.
The Company will evaluate any plans to restructure its subsidiaries and
determine what aspects, if any, of those plans to undertake.
 
  The franchise agreements used by Jiffy Lube and Q-Lube, Inc. grant certain
exclusive territorial rights to the franchisees. In addition to these rights,
some franchisees of Jiffy Lube and Q-Lube, Inc. have additional exclusive
territories encompassing larger geographic areas; there are 16 such additional
exclusive territories. Franchisees may claim that contractual or other rights
are impaired as a result of the Merger, even if the Company and Quaker State
franchise operations are each operated post-Merger on an independent, stand-
alone basis.
 
Recent Losses
   
  The Company incurred net losses from continuing operations for each of the
years ended December 31, 1997, 1996, 1995 and 1994. Quaker State incurred net
losses from continuing operations before extraordinary items for the years
ended December 31, 1997 and 1995. There can be no assurance that the Company
will be profitable.     
 
Different Factors Affecting the Company's Business
   
  The combined businesses of the Company and Quaker State include a range of
products and services, scope of operations, customers, competitors and
suppliers that is more diverse than those of either the Company or Quaker State
before the Merger. Accordingly, the results of operations and prospects for the
Company following the Merger, as well as its stock price, may be affected by
factors that are different from those that have affected the Company or Quaker
State in the past.     
 
Year 2000 Issues
   
  Like most other companies, the Company strives to ensure that its information
systems are able to recognize and process date-sensitive information properly
as the year 2000 approaches. Systems that do not properly recognize and process
this information could generate erroneous data or even fail. The Company is
    
                                       2
<PAGE>
 
   
conducting reviews of its key computer systems and has identified a number of
systems that could be affected by the year 2000 issue. The Company is
undertaking to upgrade these systems to allow them to function properly. If
these steps are not completed successfully in a timely manner, the Company's
operations and financial performance could be adversely affected through
disruptions in operations.     
 
Tax Risks
   
  If the Spin-off is considered part of a plan or a series of related
transactions pursuant to which one or more persons acquire, directly or
indirectly, a 50% or greater interest in the Company or PennzEnergy (an
"Ownership Change"), PennzEnergy will recognize gain under section 355(e) of
the Internal Revenue Code of 1986, as amended, as if it had sold the stock of
the Company for an amount equal to its fair market value. Under a tax
separation agreement between the Company and PennzEnergy, the Company will be
liable to PennzEnergy for any such tax arising from an Ownership Change of the
Company, unless the Ownership Change results from an act of PennzEnergy or any
of its subsidiaries or affiliates. The amount of this liability could be
substantial. The Company believes that there is no plan that would cause gain
to be recognized in this manner. Acquisitions that occur within the four-year
period beginning two years before the date of the Spin-off will be presumed to
be part of such a plan, however, and such a plan could be deemed to exist even
if the Company is not aware of it.     
 
Certain Antitakeover Provisions
   
  The Restated Certificate of Incorporation and Amended and Restated By-laws of
the Company, among other things, provide for a classified Board of Directors
with staggered terms, restrict the ability of stockholders to take action by
written consent and authorize the Board of Directors to set the terms of
preferred stock. In addition, the Company's Restated Certificate of
Incorporation and the Delaware General Corporation Law contain provisions that
impose restrictions on business combinations with interested parties. The
Company has also adopted a stockholders' rights plan. The stockholders' rights
plan, the provisions of the Restated Certificate of Incorporation and Amended
and Restated By-laws of the Company, and the Delaware General Corporation Law
may have the effect of delaying, deferring or preventing a change in control of
the Company.     
 
                                USE OF PROCEEDS
   
  Except as otherwise described in any Prospectus Supplement, the net proceeds
from the sale of securities offered from time to time using this Prospectus
("Securities") will be used for general corporate purposes, which may include
repayment or refinancing of indebtedness, working capital, capital
expenditures, acquisitions and repurchases and redemptions of securities.     
 
                      RATIOS OF EARNINGS TO FIXED CHARGES
   
  The following table sets forth the computation of ratio of earnings to fixed
charges for the periods shown (a) on a pro forma basis as if the merger with
Quaker State occurred as of January 1, 1997 and (b) on a historical basis for
the Company.     
 
<TABLE>   
<CAPTION>
   Pennzoil-Quaker State
          Company                     Pennzoil-Quaker State Company
         Pro Forma                             Historical
- ----------------------------   -------------------------------------------------
 Nine months                    Nine months
    ended        Year ended        ended
September 30,   December 31,   September 30,     Years ended December 31,
- -------------   ------------   -------------   ---------------------------------
    1998            1997           1998        1997   1996   1995   1994   1993
    ----            ----           ----        ----   ----   ----   ----   ----
<S>             <C>            <C>             <C>    <C>    <C>    <C>    <C>
    1.80            1.09           1.25         --     --     --     --    1.24
</TABLE>    
 
  The ratio of earnings to fixed charges has been computed by dividing earnings
available for fixed charges (earnings before income taxes plus fixed charges
and amortization of capitalized interest less capitalized interest and
undistributed equity earnings (losses) of joint ventures) by fixed charges
(interest expense plus capitalized
 
                                       3
<PAGE>
 
   
interest and the portion of rental expense that represents the interest
factor). On a historical basis, the Company's fixed charges exceed earnings by
approximately $.5 million for the year ending December 31, 1997, $5.7 million
for the year ending December 31, 1996, $73.5 million for the year ending
December 31, 1995 and $17.1 million for the year ending December 31, 1994.     
 
                         DESCRIPTION OF DEBT SECURITIES
   
  The following description of the Company's unsecured debt securities, which
may consist of senior notes and debentures and subordinated notes and
debentures (the "Debt Securities"), sets forth certain general terms and
provisions of the Debt Securities to which any Prospectus Supplement may relate
("Offered Debt Securities"). The particular terms of the Offered Debt
Securities and the extent to which such general provisions may apply will be
described in a Prospectus Supplement relating to such Offered Debt Securities.
    
  The Debt Securities will be general unsecured obligations of the Company and
will constitute either senior debt securities or subordinated debt securities.
In the case of Debt Securities that will be senior debt securities ("Senior
Debt Securities"), the Debt Securities will be issued under an Indenture (the
"Senior Indenture") between the Company and Chase Bank of Texas, National
Association ("Chase"), Trustee under the Senior Indenture (the "Senior
Trustee"). In the case of Debt Securities that will be subordinated debt
securities ("Subordinated Debt Securities"), the Debt Securities will be issued
under an Indenture (the "Subordinated Indenture") between the Company and
Chase, Trustee under the Subordinated Indenture (the "Subordinated Trustee").
The Senior Indenture and the Subordinated Indenture are sometimes hereinafter
referred to herein individually as an "Indenture" and collectively as the
"Indentures," and the Senior Trustee and the Subordinated Trustee are sometimes
referred to as the "Trustee." The statements under this caption relating to the
Debt Securities and the Indentures are summaries only and do not purport to be
complete. Such summaries make use of terms defined in the Indentures. Wherever
such terms are used herein or particular provisions of the Indentures are
referred to, such terms or provisions, as the case may be, are incorporated by
reference as part of the statements made herein, and such statements are
qualified in their entirety by such reference. Certain defined terms in the
Indentures are capitalized herein.
 
Provisions Applicable to Both Senior and Subordinated Debt Securities
 
 General
 
  The Indentures do not limit the aggregate principal amount of Debt Securities
which can be issued thereunder and provide that Debt Securities may be issued
from time to time thereunder in one or more series, each in an aggregate
principal amount authorized by the Company prior to issuance. The Indentures do
not limit the amount of other unsecured indebtedness or securities which may be
issued by the Company. Unless otherwise indicated in a Prospectus Supplement,
the Debt Securities will not benefit from any covenant or other provision that
would afford Holders of such Debt Securities special protection in the event of
a highly leveraged transaction involving the Company.
 
  Reference is made to the Prospectus Supplement for the following terms of the
Offered Debt Securities, which will be issued in registered form:
 
    (1) the title of the Offered Debt Securities, which may include medium-
  term notes, and the aggregate principal amount of the Offered Debt
  Securities;
 
    (2) whether such Offered Debt Securities will be issued in the form of
  one or more global securities and whether such global securities are to be
  issuable in temporary global form or permanent global form;
 
    (3) the date or dates on which the principal of and premium, if any, on
  the Offered Debt Securities is payable or the method of determination
  thereof;
 
                                       4
<PAGE>
 
    (4) the rate or rates, or the method of determination thereof, at which
  the Offered Debt Securities will bear interest, if any;
 
    (5) whether and under what circumstances Additional Amounts with respect
  to the Offered Debt Securities will be payable;
 
    (6) the date or dates from which such interest will accrue;
 
    (7) the interest payment dates on which such interest will be payable and
  the record date for the interest payable on any Offered Debt Securities on
  any interest payment date;
 
    (8) the place or places where the principal of, premium and interest, if
  any, on and any Additional Amounts with respect to the Offered Debt
  Securities will be payable;
 
    (9) the period or periods within which, the price or prices at which and
  the terms and conditions upon which Offered Debt Securities may be
  redeemed, in whole or in part, at the option of the Company, if the Company
  is to have that option;
 
    (10) the obligation, if any, of the Company to redeem or purchase Offered
  Debt Securities pursuant to any sinking fund or analogous provisions or at
  the option of a holder thereof and the period or periods within which, the
  price or prices at which and the terms and conditions upon which Offered
  Debt Securities will be redeemed or purchased in whole or in part pursuant
  to such obligation;
 
    (11) the currency or currencies (including composite currencies), if
  other than U.S. dollars, or the form, including equity securities, other
  debt securities (including Debt Securities), warrants or any other
  securities or property of the Company or any other Person, in which payment
  of principal of, premium (if any) and interest on and any Additional
  Amounts with respect to the Offered Debt Securities will be payable;
 
    (12) if such payments are to be payable, at the election of the Company
  or a holder thereof, in a currency or currencies other than that in which
  the Offered Debt Securities are stated to be payable, the currency or
  currencies in which such payments as to which such election is made will be
  payable, and the periods within which and the terms and conditions upon
  which such election is to be made;
 
    (13) if the amount of such payments may be determined with reference to
  any commodities, currencies or indices, values, rates or prices or any
  other index or formula, the manner in which such amounts will be
  determined;
 
    (14) if other than the entire principal amount thereof, the portion of
  the principal amount of Offered Debt Securities that will be payable upon
  declaration of acceleration of the maturity thereof;
 
    (15) any additional means of satisfaction and discharge of the applicable
  Indenture with respect to the Offered Debt Securities and any additional
  conditions to discharge;
 
    (16) any deletions or modifications of or additions to the definitions,
  Events of Default or covenants of the Company pertaining to the Offered
  Debt Securities;
     
    (17) if the Offered Debt Securities are to be convertible into or
  exchangeable for equity securities, other debt securities (including Debt
  Securities), warrants or any other securities or property of the Company or
  any other Person, at the option of the Company or the Holder or upon the
  occurrence of any condition or event, the terms and conditions for such
  conversion or exchange;     
     
    (18) whether any of the Offered Debt Securities will be subject to
  certain optional interest rate reset provisions;     
     
    (19) the additions or changes, if any, to the Indenture with respect to
  the Offered Debt Securities as shall be necessary to permit or facilitate
  the issuance of the Offered Debt Securities in bearer form, registered or
  not registrable as to principal, and with or without interest coupons; and
      
    (20) any other terms of the Offered Debt Securities.
 
                                       5
<PAGE>
 
Reference is also made to the Prospectus Supplement for information with
respect to any material United States federal income tax consequences with
respect to the ownership and disposition of Offered Debt Securities.
   
  No service charge will be made for any registration of transfer or exchange
of the Offered Debt Securities, but the Company may require payment of a sum
sufficient to cover any tax or other governmental charge payable in connection
therewith.     
 
  The Company conducts some of its operations through subsidiaries. The Holders
of Debt Securities will have a junior position to any creditors of the
Company's subsidiaries.
 
  Offered Debt Securities may be sold at a discount (which may be substantial)
below their stated principal amount bearing no interest or interest at a rate
that at the time of issuance is below market rates. Any material United States
federal income tax consequences and other special considerations applicable
thereto will be described in the Prospectus Supplement relating to any such
Offered Debt Securities.
 
  If any of the Offered Debt Securities are sold for any foreign currency or
currency unit or if the principal of, or premium or interest, if any, on, or
any Additional Amounts with respect to any of the Offered Debt Securities is
payable in any foreign currency or foreign currency unit, the restrictions,
elections, tax consequences, specific terms and other information with respect
to such Offered Debt Securities and such foreign currency or foreign currency
unit will be set forth in the Prospectus Supplement relating thereto.
 
 Events of Default
 
  Unless otherwise provided with respect to any series of Debt Securities, the
following are or will be Events of Default under each Indenture with respect to
the Debt Securities of such series issued under such Indenture:
 
    (1) failure to pay principal of or premium, if any, on any Debt Security
  of such series when due;
     
    (2) failure to pay any interest on or any Additional Amounts with respect
  to any Debt Security of such series when due, continued for 30 days;     
     
    (3) failure to deposit any sinking fund payment, when due, in respect of
  the Debt Securities of such series, continued for 30 days;     
 
    (4) failure to perform any other covenant of the Company in the
  applicable Indenture (other than a covenant included in such Indenture for
  the benefit of a series of Debt Securities other than such series),
  continued for 90 days after written notice as provided in such Indenture;
 
    (5) certain events of bankruptcy, insolvency or reorganization; and
 
    (6) any other Event of Default as may be specified with respect to Debt
  Securities of such series.
 
  If an Event of Default with respect to any outstanding series of Debt
Securities occurs and is continuing, either the Trustee or the Holders of at
least 25% in principal amount of the outstanding Debt Securities of such series
(in the case of an Event of Default described in clause (1), (2), (3) or (6)
above) or at least 25% in principal amount of all outstanding Debt Securities
under the applicable Indenture (in the case of an Event of Default described in
clause (4) above) may declare the principal amount of all the Debt Securities
of the applicable series (or of all outstanding Debt Securities under the
applicable Indenture, as the case may be) to be due and payable immediately. If
an Event of Default described in clause (5) above occurs, the principal amount
of the outstanding Debt Securities of all series ipso facto shall become
immediately due and payable without any declaration or other act on the part of
the Trustee or any Holder. At any time after a declaration of acceleration has
been made, but before a judgment has been obtained, the Holders of a majority
in principal amount of the outstanding Debt Securities of such series (or of
all outstanding Debt Securities under the
 
                                       6
<PAGE>
 
applicable Indenture, as the case may be) may, under certain circumstances,
rescind and annul such acceleration. Depending on the terms of other
indebtedness of the Company outstanding from time to time, an Event of Default
under the Indentures may give rise to cross defaults on such other indebtedness
of the Company.
   
  Each Indenture provides that, within 90 days after the occurrence of a
default with respect to any series of Debt Securities, the Trustee will give to
the Holders of the Debt Securities of such series notice of all uncured and
unwaived defaults known to it; provided, however, that, except in the case of a
default in the payment of the principal of or premium, if any, or any interest
on, or any Additional Amounts or sinking fund installment with respect to, any
Debt Securities of such series, the Trustee will be protected in withholding
such notice if it in good faith determines that the withholding of such notice
is in the interest of the Holders of the Debt Securities of such series; and
provided, further, that such notice shall not be given until at least 30 days
after the occurrence of a default in the performance or breach of any covenant
or warranty of the Company under such Indenture other than for the payment of
the principal of or premium, if any, or any interest on, or any Additional
Amounts or sinking fund installment with respect to, any Debt Securities of
such series. For the purpose of this provision, "default" with respect to Debt
Securities of any series means any event that is, or after notice or lapse of
time, or both, would become, an Event of Default with respect to the Debt
Securities of such series.     
 
  The Holders of a majority in principal amount of the outstanding Debt
Securities of any series (or, in certain cases, all outstanding Debt Securities
under the applicable Indenture) 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 Debt
Securities of such series (or of all outstanding Debt Securities under the
applicable Indenture), subject to certain limitations specified in the
applicable Indenture. Each Indenture provides that in case an Event of Default
shall occur and be continuing, the Trustee shall exercise such of its rights
and powers under the applicable Indenture and use the same degree of care and
skill in its exercise as a prudent man would exercise or use under the
circumstances in the conduct of his own affairs. Subject to such provisions,
the Trustee will not be under an obligation to exercise any of its rights or
powers under the respective Indenture at the request of any of the Holders of
the Debt Securities unless they have offered to the Trustee reasonable security
or indemnity against the costs, expenses and liabilities that might be incurred
by it in compliance with such request.
   
  The Holders of a majority in principal amount of the outstanding Debt
Securities of any series (or, in certain cases, all outstanding Debt Securities
under the applicable Indenture) may on behalf of the Holders of all Debt
Securities of such series (or of all outstanding Debt Securities under the
applicable Indenture) waive any past default under the applicable Indenture,
except (1) a default in the payment of the principal of or premium, if any, or
interest on or any Additional Amounts with respect to any Debt Security or (2)
in respect of a provision that under the applicable Indenture cannot be
modified or amended without the consent of the Holder of each outstanding Debt
Security affected. The Holders of a majority in principal amount of the
outstanding Debt Securities affected thereby may on behalf of the Holders of
all such Debt Securities waive compliance by the Company with certain
restrictive provisions of the Indentures.     
       
  The Company is required to furnish to the Trustee annually a statement as to
the performance by the Company of certain of its obligations under the
applicable Indenture and as to any default in such performance.
 
 Remedies
 
  The Indentures provide that no Holder of any Debt Security of any series will
have any right to institute any proceeding, judicial or otherwise, with respect
to the respective Indenture, or for the appointment of a receiver or trustee,
or for any other remedy thereunder, unless
 
    (1) an Event of Default with respect to Debt Securities of that series
  has occurred and continues and such Holder has previously given written
  notice to the Trustee of the continuing Event of Default;
 
                                       7
<PAGE>
 
    (2) the Holders of not less than 25% in principal amount of the
  outstanding Debt Securities of that series have made written request to the
  Trustee to institute proceedings in respect of such Event of Default in its
  own name as Trustee;
 
    (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 Debt Securities of that series.
 
 Modification
 
  Modifications and amendments of each Indenture may be made by the Company and
the Trustee with the consent of the Holders of a majority in principal amount
of the outstanding Debt Securities under the applicable Indenture affected
thereby; provided, however, that no such modification or amendment may, without
the consent of the Holder of each outstanding Debt Security affected thereby,
 
    (1) change the stated maturity date of the principal of, or any
  installment of principal of or interest on, or any Additional Amounts with
  respect to any Debt Security,
 
    (2) reduce the principal amount of, or the premium (if any) or interest
  on, or any Additional Amounts with respect to any Debt Security,
 
    (3) change the place or currency, currencies, or currency unit or units
  of payment of principal of, or premium (if any) or interest on, or any
  Additional Amounts with respect to any Debt Security,
 
    (4) impair the right to institute suit for the enforcement of any payment
  on or with respect to any Debt Security or
     
    (5) reduce the percentage in principal amount of outstanding Debt
  Securities, the consent of the Holders of which is required for
  modification or amendment of the Indenture or for waiver of compliance with
  certain provisions of the Indentures or for waiver of certain defaults.
      
  Each Indenture provides that the Company and the Trustee may, without the
consent of any Holders of Debt Securities, enter into supplemental indentures
for the purposes, among other things, of adding to the Company's covenants,
adding additional Events of Default, establishing the form or terms of Debt
Securities or curing ambiguities or inconsistencies in the applicable
Indenture, provided that such action to cure ambiguities or inconsistencies
shall not adversely affect the interests of the Holders of the Debt Securities
in any material respect.
 
 Consolidation, Merger and Sale of Assets
 
  Without the consent of any Holders of outstanding Debt Securities, the
Company may consolidate with or merge into, or convey, transfer or lease its
properties and assets substantially as an entirety to, any Person, provided
that
 
    (1) the Person formed by such consolidation or into which the Company is
  merged or that acquires or leases the properties and assets of the Company
  substantially as an entirety is a Person that assumes by supplemental
  indenture the Company's obligations on the Debt Securities and under each
  Indenture,
 
    (2) after giving effect to the transaction, no Event of Default and no
  event that, after notice or lapse of time or both, would become an Event of
  Default has occurred and is continuing, and
 
    (3) certain other conditions are met.
 
                                       8
<PAGE>
 
  Upon compliance with these provisions by a successor Person, the Company will
(except in the case of a lease) be relieved of its obligations under each
Indenture and the Debt Securities.
 
 Discharge and Defeasance
 
  The Company may terminate its obligations under each Indenture, other than
its obligation to pay the principal of, premium, if any, and interest on and
any Additional Amounts with respect to the Debt Securities of any series and
certain other obligations, provided that it
 
    (1) irrevocably deposits or causes to be irrevocably deposited with the
  Trustee as trust funds money or U.S. Government Obligations maturing as to
  principal and interest sufficient to pay the principal of, premium, if any,
  and any interest on, and any Additional Amounts and mandatory sinking funds
  with respect to, all outstanding Debt Securities of such series on the
  stated maturity of such payments or on any redemption date and
 
    (2) complies with any additional conditions specified to be applicable
  with respect to the covenant defeasance of Debt Securities of such series.
 
  The terms of any series of Debt Securities may also provide for legal
defeasance pursuant to the applicable Indenture. In such case, if the Company
 
    (1) irrevocably deposits or causes to be irrevocably deposited money or
  U.S. Government Obligations as described above,
 
    (2) makes a request to the Trustee to be discharged from its obligations
  on the Debt Securities of such series and
 
    (3) complies with any additional conditions specified to be applicable
  with respect to legal defeasance of Debt Securities of such series,
 
then the Company shall be deemed to have paid and discharged the entire
indebtedness on all the outstanding Debt Securities of such series, the
obligations of the Company under the applicable Indenture and the Debt
Securities of such series to pay the principal of, premium, if any, and
interest on and any Additional Amounts with respect to the Debt Securities of
such series shall cease, terminate and be completely discharged, and the
Holders thereof shall thereafter be entitled only to payment out of the money
or U.S. Government Obligations deposited with the Trustee as aforesaid, unless
the Company's obligations are revived and reinstated because the Trustee is
unable to apply such trust fund by reason of any legal proceeding, order or
judgment.
 
  The term "U.S. Government Obligations" is or will be defined in each
Indenture as direct noncallable obligations of, or noncallable obligations the
payment of principal of and interest on which is guaranteed by, the United
States of America, or to the payment of which obligations or guarantees the
full faith and credit of the United States of America is pledged, or beneficial
interests in a trust the corpus of which consists exclusively of money or such
obligations or a combination thereof.
 
 Form, Exchange, Registration and Transfer
 
  Debt Securities of any series will be exchangeable for other Debt Securities
of the same series and of a like aggregate principal amount and tenor of
different authorized denominations. Debt Securities may be presented for
registration of transfer (with the form of transfer endorsed thereon duly
executed), at the office of the Security Registrar or at the office of any
transfer agent designated by the Company for such purpose with respect to any
series of Debt Securities and referred to in an applicable Prospectus
Supplement, without service charge and upon payment of any taxes and other
governmental charges as described in the applicable Indenture. Such transfer or
exchange will be effected upon the Security Registrar or such transfer agent,
as the case may be, being satisfied with the documents of title and identity of
the Person making the request. The Company will appoint the Trustee under each
Indenture as Security Registrar for Debt Securities issued thereunder. If a
 
                                       9
<PAGE>
 
   
Prospectus Supplement refers to any transfer agents (in addition to the
Security Registrar) initially designated by the Company with respect to any
series of Debt Securities, the Company may at any time rescind the designation
of any such transfer agent or approve a change in the location through which
any such transfer agent acts. The Company is required to maintain an office or
agency for registration of transfer or exchange in each Place of Payment for
such series. The Company may at any time designate additional offices or
agencies for registration of transfer or exchange with respect to any series of
Debt Securities.     
 
  In the event of any redemption in part, the Company shall not be required to
(1) issue, register the transfer of or exchange Debt Securities of any series
during a period beginning at the opening of business 15 days prior to the
selection of Debt Securities of that series for redemption and ending on the
close of business on the day of mailing of the relevant notice of redemption or
(2) register the transfer of or exchange any Debt Security, or portion thereof,
called for redemption, except the unredeemed portion of any Debt Security being
redeemed in part.
 
 Payment and Paying Agents
 
  Unless otherwise indicated in an applicable Prospectus Supplement, payment of
principal of, premium, if any, and interest on and any Additional Amounts with
respect to Debt Securities will be made in the designated currency or currency
unit at the office of such Paying Agent or Paying Agents as the Company may
designate from time to time, except that, at the option of the Company, payment
of any interest may be made by check mailed to the address of the Person
entitled thereto as such address appears in the Security Register. Unless
otherwise indicated in an applicable Prospectus Supplement, payment of any
installment of interest on Debt Securities will be made to the Person in whose
name such Debt Security is registered at the close of business on the Regular
Record Date for such interest.
 
  Unless otherwise indicated in an applicable Prospectus Supplement, the
Corporate Trust Office of the Trustee in New York, New York will be designated
as a Paying Agent for the Company for payments with respect to Debt Securities
issued under the applicable Indenture. The Company may at any time designate
additional Paying Agents or rescind the designation of any Paying Agent or
approve a change in the office through which any Paying Agent acts, except that
the Company will be required to maintain a Paying Agent in each Place of
Payment for such series.
 
  All moneys paid by the Company to a Paying Agent for the payment of principal
of, premium, if any, or interest on and any Additional Amounts with respect to
any Debt Security that remain unclaimed at the end of three years after such
principal, premium, interest or Additional Amounts have become due and payable
will (subject to applicable escheat laws) be repaid to the Company, and the
Holder of such Debt Security or any coupon will thereafter look only to the
Company for payment thereof.
   
 Securities in Global Form     
 
  The Debt Securities of a series may be issued, in whole or in part, in the
form of one or more global Debt Securities that would be deposited with a
depositary or its nominee identified in the applicable Prospectus Supplement.
Global Debt Securities may be issued in either temporary or permanent form. The
specific terms of any depositary arrangement with respect to any portion of a
series of Debt Securities and the rights of, and limitations on, owners of
beneficial interests in any such global Debt Security representing all or a
portion of a series of Debt Securities will be described in the applicable
Prospectus Supplement.
 
 Meetings
 
  Each Indenture contains provisions for convening meetings of the Holders of
Debt Securities of a series. A meeting may be called at any time by the
Trustee, and also, upon request, by the Company or the Holders of at least 10%
in principal amount of the Outstanding Debt Securities of such series, in any
such case upon notice given as described under "--Notices" below. Except for
any consent that must be given by the Holder of each
 
                                       10
<PAGE>
 
Outstanding Debt Security affected thereby, as described under "--Modification"
above, any resolution presented at a meeting or adjourned meeting at which a
quorum is present may be adopted by the affirmative vote of the Holders of a
majority in principal amount of the Outstanding Debt Securities of that series;
provided, however, that, except for any consent that must be given by the
Holder of each Outstanding Debt Security affected thereby, as described under
"--Modification" above, any resolution with respect to any request, demand,
authorization, direction, notice, consent, waiver or other action that may be
made, given or taken by the Holders of a specified percentage, which is less
than a majority in principal amount of the Outstanding Debt Securities of a
series, may be adopted at a meeting or adjourned meeting duly reconvened at
which a quorum is present by the affirmative vote of the Holders of such
specified percentage in principal amount of the Outstanding Debt Securities of
that series. Subject to the proviso set forth above, any resolution passed or
decision taken at any meeting of Holders of Debt Securities of any series duly
held in accordance with the applicable Indenture will be binding on all Holders
of Debt Securities of that series and any related coupons. The quorum at any
meeting called to adopt a resolution, and at any reconvened meeting, will be
Persons holding or representing a majority in principal amount of the
Outstanding Debt Securities of a series.
 
 Governing Law
 
  Each Indenture and the Debt Securities will be governed by and construed in
accordance with the laws of the State of New York.
 
 Notices
 
  Notices to Holders of Debt Securities will be given by mail to the addresses
of such Holders as they appear in the Security Register.
 
 Trustee
 
  Each Indenture contains certain limitations on the right of the Trustee, as a
creditor of the Company, to obtain payment of claims in certain cases and to
realize on certain property received with respect to any such claims, as
security or otherwise. The Trustee is or will be permitted to engage in other
transactions, except that, if it acquires any conflicting interest (as
defined), it must eliminate such conflict or resign.
 
  The Trustee has made loans to the Company and its subsidiaries and affiliates
from time to time in the ordinary course of business and at prevailing interest
rates under agreements with commercial bank groups. In addition, the Trustee
may from time to time serve as a depositary of funds of, and perform other
services for, the Company.
 
Provisions Applicable Solely to Subordinated Debt Securities
 
  The payment of the principal of, premium, if any, and interest on and any
Additional Amounts with respect to the Subordinated Debt Securities will be
expressly subordinated, to the extent and in the manner set forth in the
Subordinated Indenture, to the prior payment in full of all Senior Indebtedness
of the Company.
 
  The Subordinated Indenture will provide that no payment may be made by the
Company on account of the principal of, premium, if any, or interest on or any
Additional Amounts with respect to the Subordinated Debt Securities, or to
acquire any of the Subordinated Debt Securities (including repurchases of
Subordinated Debt Securities at the option of the Holder thereof) for cash or
property (other than certain junior securities of the Company), or on account
of the redemption provisions of the Subordinated Debt Securities, in the event
of (1) default in the payment of any principal of, premium, if any, or interest
on any Senior Indebtedness of the Company when it becomes due and payable,
whether at maturity or at a date fixed for prepayment or by declaration or
otherwise (a "Payment Default"), unless and until such Payment Default has been
cured or waived or otherwise has ceased to exist, or (2) any other event of
default with respect to any Designated Senior
 
                                       11
<PAGE>
 
Indebtedness permitting the holders of such Designated Senior Indebtedness (or
a trustee or other representative on behalf of the holders thereof) to declare
such Designated Senior Indebtedness due and payable prior to the date on which
it would otherwise have become due and payable, upon written notice thereof to
the Company and the Subordinated Trustee by any holders of such Designated
Senior Indebtedness (or a trustee or other representative on behalf of the
holders thereof) (the "Payment Notice"), unless and until such event of default
shall have been cured or waived or otherwise has ceased to exist, provided that
such payments may not be prevented under clause (2) above for more than 179
days after an applicable Payment Notice has been received by the Subordinated
Trustee unless the Designated Senior Indebtedness in respect of which such
event of default exists has been declared due and payable in its entirety, in
which case no such payment may be made until such acceleration has been
rescinded or annulled or such Designated Senior Indebtedness has been paid in
full. No event of default that existed or was continuing on the date of any
Payment Notice (whether or not such event of default is on the same issue of
Designated Senior Indebtedness) may be made the basis for the giving of a
second Payment Notice, and only one such Payment Notice may be given in any
365-day period.
 
  In the event that, notwithstanding the foregoing, any payment or distribution
of assets of the Company (other than certain Junior Securities of the Company)
is received by the Subordinated Trustee or the Holders of Subordinated Debt
Securities at a time when such payment or distribution is prohibited by the
foregoing provisions, then, unless such payment or distribution is no longer
prohibited by the foregoing provisions, such payment or distribution shall be
received and held in trust by the Subordinated Trustee or such Holders or the
Paying Agent for the benefit of the holders of Senior Indebtedness of the
Company, and shall be paid or delivered by the Subordinated Trustee or such
Holders or the Paying Agent, as the case may be, to the holders of the Senior
Indebtedness of the Company remaining unpaid or unprovided for or their
representative or representatives, or to the trustee or trustees under any
indenture pursuant to which any instruments evidencing such Senior Indebtedness
of the Company may have been issued, ratably according to the aggregate amounts
remaining unpaid on account of the Senior Indebtedness of the Company held or
represented by each, for application to the payment of all Senior Indebtedness
in full after giving effect to any concurrent payment or distribution to or for
the holders of such Senior Indebtedness.
 
  Upon any distribution of assets of the Company or upon any dissolution,
winding up, total or partial liquidation or reorganization of the Company,
whether voluntary or involuntary, in bankruptcy, insolvency, receivership or a
similar proceeding or upon assignment for the benefit of creditors, (1) the
holders of all Senior Indebtedness of the Company will first be entitled to
receive payment in full before the Holders of Subordinated Debt Securities are
entitled to receive any payment on account of the principal of, premium, if
any, and interest on or any Additional Amounts with respect to the Subordinated
Debt Securities (other than certain junior securities of the Company) and (2)
any payment or distribution of assets of the Company of any kind or character,
whether in cash, property or securities (other than certain junior securities
of the Company) to which the Holders of Subordinated Debt Securities or the
Subordinated Trustee on behalf of such Holders would be entitled, except for
the subordination provisions contained in the Subordinated Indenture, will be
paid by the liquidating trustee or agent or other person making such a payment
or distribution directly to the holders of Senior Indebtedness of the Company
or their representative, ratably according to the respective amounts of Senior
Indebtedness held or represented by each, to the extent necessary to make
payment in full of all such Senior Indebtedness remaining unpaid, after giving
effect to any concurrent payment or distribution to the holders of such Senior
Indebtedness.
 
  No provision of the Subordinated Indenture or the Subordinated Debt
Securities will affect the obligation of the Company, which is absolute and
unconditional, to pay, when due, principal of, premium, if any, and interest on
and any Additional Amounts with respect to the Subordinated Debt Securities.
The subordination provisions of the Subordinated Indenture and the Subordinated
Debt Securities will not prevent the occurrence of any default or Event of
Default under the Subordinated Indenture or limit the rights of the
Subordinated Trustee or any Holder of Subordinated Debt Securities, subject to
the two preceding paragraphs, to pursue any other rights or remedies with
respect to the Subordinated Debt Securities.
 
                                       12
<PAGE>
 
  As a result of these subordination provisions, in the event of the
liquidation, bankruptcy, reorganization, insolvency, receivership or similar
proceeding or an assignment for the benefit of the creditors of the Company or
any of its subsidiaries or a marshaling of assets or liabilities of the Company
and its subsidiaries, Holders of Subordinated Debt Securities may receive
ratably less than other creditors.
 
  The term "Indebtedness," as applied to any Person, unless otherwise provided
with respect to the Subordinated Debt Securities of a series and described in
the Prospectus Supplement relating thereto, will be defined in the Subordinated
Indenture as, without duplication, the following:
 
    (1) all liabilities and obligations, contingent or otherwise, of any such
  Person
 
      (a) in respect of borrowed money (whether or not the recourse of the
    lender is to the whole of the assets of such Person or only to a
    portion thereof),
 
      (b) evidenced by bonds, notes, debentures or similar instruments,
 
      (c) representing the balance deferred and unpaid of the purchase
    price of any property or services, except such as would constitute
    trade payables to trade creditors in the ordinary course of business
    that are not more than 90 days past their original due date,
 
      (d) evidenced by banker's acceptances or similar instruments issued
    or accepted by banks,
 
      (e) for the payment of money relating to rental obligations under a
    lease required to be capitalized in accordance with generally accepted
    accounting principles or
 
      (f) evidenced by a letter of credit or a reimbursement obligation of
    such Person with respect to any letter of credit;
 
    (2) all net obligations of such Person under certain interest swap and
  hedging obligations;
 
    (3) all liabilities of others of the kind described in the preceding
  clause (1) or (2) that such Person has guaranteed or that is otherwise its
  legal liability and all obligations to purchase, redeem or acquire any
  capital stock of any Person; and
 
    (4) any and all deferrals, renewals, extensions, refinancings, refunds
  (whether direct or indirect) of, or amendments, modifications or
  supplements to, any liability of the kind described in any of the preceding
  clauses (1), (2) or (3), or this clause (4), whether or not between or
  among the same parties.
 
  The term "Senior Indebtedness" of the Company, unless otherwise provided with
respect to the Subordinated Debt Securities of a series and described in the
Prospectus Supplement relating thereto, will be defined in the Subordinated
Indenture as
 
    (1) all Indebtedness of the Company unless, by the terms of the
  instrument creating or evidencing such Indebtedness, it is provided that
  such Indebtedness is not superior in right of payment to the Subordinated
  Debt Securities or to other Indebtedness which is pari passu with or
  subordinated to the Subordinated Debt Securities and
 
    (2) any modifications, refunding, deferrals, renewals or extensions of
  any such Indebtedness or securities, notes or other evidences of
  Indebtedness issued in exchange for such Indebtedness; provided that in no
  event shall "Senior Indebtedness" include
 
      (a) Indebtedness of the Company owed or owing to any subsidiary of
    the Company or any officer, director or employee of the Company or any
    subsidiary of the Company,
 
      (b) Indebtedness to trade creditors or
 
      (c) any liability for taxes owed or owing by the Company.
 
                                       13
<PAGE>
 
  The term "Designated Senior Indebtedness," unless otherwise provided with
respect to the Subordinated Debt Securities of a series and described in the
Prospectus Supplement relating thereto, will be defined in the Subordinated
Indenture to mean any Senior Indebtedness of the Company that (1) in the
instrument evidencing the same or the assumption or guarantee thereof (or
related documents to which the Company is a party) is expressly designated as
"Designated Senior Indebtedness" for purposes of the Subordinated Indenture or
(unless otherwise provided) the Indenture governing the Company's convertible
subordinated debentures, and (2) satisfies such other conditions as may be
provided with respect to the Subordinated Debt Securities of such series
(provided that such instrument or documents may place limitations and
conditions on the rights of the holders of such Senior Indebtedness to exercise
the rights of Designated Senior Indebtedness).
 
  If Subordinated Debt Securities are issued under the Subordinated Indenture,
the aggregate principal amount of Senior Indebtedness outstanding as of a
recent date will be set forth in the Prospectus Supplement. The Subordinated
Indenture will not restrict the amount of Senior Indebtedness that the Company
may incur.
 
                                 CAPITAL STOCK
   
  The authorized capital stock of the Company consists of 100 million shares of
Common Stock, par value $0.10 per share (the "Common Stock"), and 10 million
shares of Preferred Stock, par value $1.00 per share (the "Preferred Stock").
The following summary of the material terms of the capital stock of the Company
does not purport to be complete and is qualified by reference to the Company's
Restated Certificate of Incorporation and Amended and Restated Bylaws, which
are filed as exhibits to the Registration Statement of which this Prospectus is
a part.     
 
Provisions of the Certificate of Incorporation and By-Laws
   
  The Company's Restated Certificate of Incorporation provides for a classified
Board of Directors, consisting of three classes as nearly equal in size as
practicable. Each class holds office until the third annual stockholders'
meeting for election of directors following the most recent election of such
class. The Company's Restated Certificate of Incorporation also provides that
no action required or permitted to be taken at any annual or special meeting of
stockholders of the Company may be taken without a meeting, and the power of
stockholders to act by written consent is specifically denied. The Company's
Amended and Restated By-Laws provide that special meetings of stockholders may
be called only by the Chairman of the Board of Directors, the President, or by
the Board of Directors pursuant to a resolution adopted by a majority of the
then-authorized number of directors.     
 
Section 203 of the Delaware General Corporation Law
 
  The Company is a Delaware corporation subject to Section 203 of the Delaware
General Corporation Law (the "DGCL"). Generally, Section 203 prohibits a
publicly held Delaware corporation from engaging in a "business combination"
with an "interested stockholder" for a period of three years after the date of
the transaction in which the person became an interested stockholder, unless
(1) prior to such date, either the business combination or such transaction
which resulted in the stockholder becoming an interested stockholder is
approved by the board of directors of the corporation, (2) upon consummation of
the transaction which resulted in the stockholder becoming an interested
stockholder, the interested stockholder owns at least 85% of the outstanding
voting stock, or (3) on or after such date, the business combination is
approved by the board of directors of the corporation and by the affirmative
vote at least 66 2/3% of the outstanding voting stock that is not owned by the
interested stockholder. A "business combination" includes mergers, asset sales
and other transactions resulting in a financial benefit to the interested
stockholder. An "interested stockholder" is a person who, together with
affiliates and associates, owns (or, within three years, did own) 15% or more
of the corporation's outstanding voting stock.
 
 
                                       14
<PAGE>
 
Limitation on Changes in Control
   
  Certain of the above provisions of the Company's Restated Certificate of
Incorporation and Amended and Restated By-Laws and the provisions of Section
203 of the DGCL could have the effect of delaying, deferring or preventing a
change in control of the Company or the removal of existing management or
deterring potential acquirors from making an offer to stockholders of the
Company. This could be the case notwithstanding that a majority of the
stockholders might benefit from such a change in control or offer. In addition,
the issuance of shares of Preferred Stock, or the issuance of rights to
purchase such shares, could be used to discourage an unsolicited acquisition
proposal. For instance, the issuance of a series of Preferred Stock might
impede a business combination by including class voting rights that would
enable the holder to block such a transaction, or facilitate a business
combination by including voting rights that would provide a required percentage
vote of the stockholders. In addition, under certain circumstances, the
issuance of Preferred Stock could adversely affect the voting power of the
holders of Common Stock.     
 
Common Stock
   
  Each share of Common Stock possesses ordinary voting rights for the election
of directors and for other corporate matters, each share being entitled to one
vote. Cumulative voting rights are denied. The Common Stock does not carry
preemptive rights and is not convertible, redeemable or assessable, or entitled
to the benefits of any sinking fund. Subject to any preferential rights of the
Preferred Stock, the holders of Common Stock are entitled to receive dividends
in such amounts and at such times as may be declared by the Board of Directors
out of funds legally available therefor and to share ratably in the assets of
the Company legally available for distribution to its stockholders in the event
of its liquidation, dissolution or winding-up.     
   
  The Company's Restated Certificate of Incorporation provides that
stockholders may not act by written consent in lieu of a meeting. The Restated
Certificate of Incorporation further provides that the number of directors
shall not be fewer than three (3) nor more than fifteen (15) and provides for a
classified Board of Directors, consisting of three classes as nearly equal in
size as practicable. Each class holds office until the third annual
stockholders' meeting for election of directors following the most recent
election of such class, except that the initial terms of the three classes
expire in 1999, 2000 and 2001, respectively. A director may not be removed
without cause and may only be removed for cause by the affirmative vote of the
holders of 75% or more of the combined voting power of the then-outstanding
shares of voting stock, voting together as a single class. Special meetings of
the stockholders may be called by the Chairman of the Board, the President or
the Board of Directors, but may not be called by stockholders. The provisions
relating to capital stock, the Board of Directors, the Board of Directors power
to amend the Bylaws, the calling of special meetings, actions taken by written
consent and limitation of liability of directors may be amended only by the
vote of the holders of at least 80% of the capital stock entitled to vote for
the election of directors.     
 
Preferred Stock
   
  The Board of Directors of the Company is empowered, without approval of the
stockholders, to cause shares of Preferred Stock to be issued in one or more
series, with the numbers of shares of each series to be determined by it. The
Board of Directors is authorized to fix or alter the designation, number,
voting powers, preferences and relative, participating, optional and other
rights, and the qualifications, limitations or restrictions of such rights.
Among the specific matters that may be determined by the Board of Directors are
the rate of dividends; the redemption price, if any; the terms of a sinking
fund or redemption or purchase account, if any; the amount payable in the event
of any voluntary liquidation, dissolution or winding up of the affairs of the
Company; conversion or exchange rights, if any; and voting powers, if any.     
 
  Although the Company has no present intention to issue additional shares of
Preferred Stock, the issuance of shares of the Preferred Stock, or the issuance
of rights to purchase such shares, could be used to discourage an unsolicited
acquisition proposal. For instance, the issuance of a series of Preferred Stock
might impede a
 
                                       15
<PAGE>
 
business combination by including class voting rights that would enable the
holders to block such a transaction; or such issuance might facilitate a
business combination by including voting rights that would provide a required
percentage vote of the stockholders. In addition, under certain circumstances,
the issuance of Preferred Stock could adversely affect the voting power of the
holders of the Common Stock. Although the Board of Directors is required to
make any determination to issue such stock based on its judgment as to the best
interests of the stockholders of the Company, the Board of Directors could act
in a manner that would discourage an acquisition attempt or other transaction
that some or even a majority of the stockholders might believe to be in their
best interests or in which stockholders might receive a premium for their stock
over the then market price of such stock. The Board of Directors does not at
present intend to seek stockholder approval prior to any issuance of currently
authorized stock, unless otherwise required by law or the rules of any market
on which the Company's securities are traded.
 
Depositary Shares
 
  The description set forth below and in any Prospectus Supplement of certain
provisions of the Deposit Agreement (as defined below) and of the Depositary
Shares (as defined below) and Depositary Receipts (as defined below) does not
purport to be complete and is subject to and qualified in its entirety by
reference to the forms of Deposit Agreement and Depositary Receipts relating to
each series of Preferred Stock which have been or will be filed with the
Commission in connection with the offering of such series of Preferred Stock.
 
 General
 
  The Company may, at its option, elect to offer fractional interests in shares
of Preferred Stock, rather than shares of Preferred Stock. In the event such
option is exercised, the Company will provide for the issuance by a Depositary
to the public of receipts for depositary shares ("Depositary Shares"), each of
which will represent fractional interests of a particular series of Preferred
Stock (which will be set forth in the Prospectus Supplement relating to a
particular series of Preferred Stock).
 
  The shares of any series of Preferred Stock underlying the Depositary Shares
will be deposited under a separate Deposit Agreement (the "Deposit Agreement")
between the Company and a bank or trust company selected by the Company having
its principal office in the United States and having a combined capital and
surplus of at least $50,000,000 (the "Depositary"). The Prospectus Supplement
relating to a series of Depositary Shares will set forth the name and address
of the Depositary. Subject to the terms of the Deposit Agreement, each owner of
Depositary Shares will be entitled, in proportion to the applicable fractional
interests in shares of Preferred Stock underlying such Depositary Shares, to
all the rights and preferences of the Preferred Stock underlying such
Depositary Shares (including dividend, voting, redemption, conversion and
liquidation rights).
 
  The Depositary Shares will be evidenced by depositary receipts issued
pursuant to the Deposit Agreement (the "Depositary Receipts"). Depositary
Receipts will be distributed to those persons purchasing the fractional
interests in shares of the related series of Preferred Stock in accordance with
the terms of the offering described in the related Prospectus Supplement.
 
 Dividends and Other Distributions
 
  The Depositary will distribute all cash dividends or other cash distributions
received in respect of Preferred Stock to the record holders of Depositary
Shares relating to such Preferred Stock in proportion to the numbers of such
Depositary Shares owned by such holders on the relevant record date. The
Depositary shall distribute only such amount, however, as can be distributed
without attributing to any holder of Depositary Shares a fraction of one cent,
and any balance not so distributed shall be added to and treated as part of the
next sum received by the Depositary for distribution to record holders of
Depositary Shares.
 
  In the event of a distribution other than in cash, the Depositary will
distribute property received by it to the record holders of Depositary Shares
entitled thereto, unless the Depositary determines that it is not feasible to
make such distribution, in which case the Depositary may, with the approval of
the Company, sell such property and distribute the net proceeds from such sale
to such holders.
 
                                       16
<PAGE>
 
  The Deposit Agreement will also contain provisions relating to the manner in
which any subscription or similar rights offered by the Company to holders of
the Preferred Stock shall be made available to the holders of Depositary
Shares.
 
 Redemption of Depositary Shares
 
  If a series of the Preferred Stock underlying the Depositary Shares is
subject to redemption, the Depositary Shares will be redeemed from the proceeds
received by the Depositary resulting from the redemption, in whole or in part,
of such series of the Preferred Stock held by the Depositary. The Depositary
shall mail notice of redemption not less than 30 and not more than 60 days
prior to the date fixed for redemption to the record holders of the Depositary
Shares to be so redeemed at their respective addresses appearing in the
Depositary's books. The redemption price per Depositary Share will be equal to
the applicable fraction of the redemption price per share payable with respect
to such series of the Preferred Stock. Whenever the Company redeems shares of
Preferred Stock held by the Depositary, the Depositary will redeem as of the
same redemption date the number of Depositary Shares relating to shares of
Preferred Stock so redeemed. If less than all of the Depositary Shares are to
be redeemed, the Depositary Shares to be redeemed will be selected by lot or
pro rata as may be determined by the Depositary.
 
  After the date fixed for redemption, the Depositary Shares so called for
redemption will no longer be deemed to be outstanding and all rights of the
holders of the Depositary Shares will cease, except the right to receive the
moneys, securities or other property payable upon such redemption and any
money, securities or other property to which the holders of such Depositary
Shares were entitled upon such redemption upon surrender to the Depositary of
the Depositary Receipts evidencing such Depositary Shares.
 
 Voting the Preferred Stock
 
  Upon receipt of notice of any meeting at which the holders of the Preferred
Stock are entitled to vote, the Depositary will mail the information contained
in such notice of meeting to the record holders of the Depositary Shares
relating to such Preferred Stock. Each record holder of such Depositary Shares
on the record date (which will be the same date as the record date for the
Preferred Stock) will be entitled to instruct the Depositary as to the exercise
of the voting rights pertaining to the number of shares of Preferred Stock
underlying such holder's Depositary Shares. The Depositary will endeavor,
insofar as practicable, to vote the number of shares of Preferred Stock
underlying such Depositary Shares in accordance with such instructions, and the
Company will agree to take all action which may be deemed necessary by the
Depositary in order to enable the Depositary to do so.
 
 Amendment and Termination of Depositary Agreement
 
  The form of Depositary Receipt evidencing the Depositary Shares and any
provision of the Deposit Agreement may at any time be amended by agreement
between the Company and the Depositary. However, any amendment which materially
and adversely alters the rights of the existing holders of Depositary Shares
will not be effective unless such amendment has been approved by the record
holders of at least a majority of the Depositary Shares then outstanding. A
Deposit Agreement may be terminated by the Company or the Depositary only if
(1) all outstanding Depositary Shares relating thereto have been redeemed or
(2) there has been a final distribution in respect of the Preferred Stock of
the relevant series in connection with any liquidation, dissolution or winding
up of the Company and such distribution has been distributed to the holders of
the related Depositary Shares.
 
 Charges of Depositary
 
  The Company will pay all transfer and other taxes and governmental charges
arising solely from the existence of the depositary arrangements. The Company
will pay charges of the Depositary in connection with the initial deposit of
the Preferred Stock and any redemption of the Preferred Stock. Holders of
Depositary Shares will pay transfer and other taxes and governmental charges
and such other charges as are expressly provided in the Deposit Agreement to be
for their accounts.
 
                                       17
<PAGE>
 
 Resignation and Removal of Depositary
 
  The Depositary may resign at any time by delivering to the Company notice of
its election to do so, and the Company may at any time remove the Depositary,
any such resignation or removal to take effect upon the appointment of a
successor Depositary and its acceptance of such appointment. Such successor
Depositary must be appointed within 60 days after delivery of the notice of
resignation or removal and must be a bank or trust company having its principal
office in the United States and having a combined capital and surplus of at
least $50,000,000.
 
 Miscellaneous
 
  The Depositary will forward to the holders of Depositary Shares all reports
and communications from the Company which are delivered to the Depositary and
which the Company is required to furnish to the holders of the Preferred Stock.
 
  Neither the Depositary nor the Company will be liable if it is prevented or
delayed by law or any circumstance beyond its control in performing its
obligations under the Deposit Agreement. The obligations of the Company and the
Depositary under the Deposit Agreement will be limited to performance in good
faith of their duties thereunder and they will not be obligated to prosecute or
defend any legal proceeding in respect of any Depositary Shares or Preferred
Stock unless satisfactory indemnity is furnished. They may rely upon written
advice of counsel or accountants, or information provided by persons presenting
Preferred Stock for deposit, holders of Depositary Shares or other persons
believed to be competent and on documents believed to be genuine.
 
Warrants
 
  The Company may issue warrants (the "Warrants"), including Warrants to
purchase Debt Securities ("Debt Warrants"), Warrants to purchase Common Stock
or Preferred Stock ("Stock Warrants"), and Warrants to purchase equity
securities issued by an unaffiliated corporation or other entity and held by
the Company. Warrants may be issued independently of or together with any other
Securities and may be attached to or separate from such Securities. Each series
of Warrants will be issued under a separate Warrant Agreement (each a "Warrant
Agreement") to be entered into between the Company and a Warrant Agent
("Warrant Agent"). The Warrant Agent will act solely as an agent of the Company
in connection with the Warrant of such series and will not assume any
obligation or relationship of agency for or with holders or beneficial owners
of Warrants. The following sets forth certain general terms and provisions of
the Warrants offered hereby. Further terms of the Warrants and the applicable
Warrant Agreement will be set forth in the applicable Prospectus Supplement.
 
 Debt Warrants
 
  The applicable Prospectus Supplement will describe the terms of any Debt
Warrants, including the following:
 
    (1) the title of such Debt Warrants;
 
    (2) the offering price for such Debt Warrants, if any;
 
    (3) the aggregate number of such Debt Warrants;
 
    (4) the designation and terms of such Debt Securities purchasable upon
  exercise of such Debt Warrants;
 
    (5) if applicable, the designation and terms of the Securities with which
  such Debt Warrants are issued and the number of such Debt Warrants issued
  with each such Security;
 
    (6) if applicable, the date from and after which such Debt Warrants and
  any Securities issued therewith will be separately transferable;
 
                                       18
<PAGE>
 
    (7) the principal amount of Debt Securities purchasable upon exercise of
  a Debt Warrant and the price at which such principal amount of Debt
  Securities may be purchased upon exercise;
 
    (8) the date on which the right to exercise such Debt Warrants shall
  commence and the date on which such right shall expire;
 
    (9) if applicable, the minimum or maximum amount of such Debt Warrants
  which may be exercised at any one time;
 
    (10) whether the Debt Warrants represented by the Debt Warrant
  certificates or Debt Securities that may be issued upon exercise of the
  Debt Warrants will be issued in registered or bearer form;
 
    (11) information with respect to book-entry procedures, if any;
 
    (12) the currency, currencies or currency units in which the offering
  price, if any, and the exercise price are payable;
 
    (13) if applicable, a discussion of certain United States federal income
  tax considerations;
 
    (14) the antidilution provisions of such Debt Warrants, if any;
 
    (15) the redemption or call provisions, if any, applicable to such Debt
  Warrants; and
 
    (16) any additional terms of the Debt Warrants, including terms,
  procedures and limitations relating to the exchange and exercise of such
  Debt Warrants.
 
 Stock and Other Warrants
 
  The applicable Prospectus Supplement will describe the terms of any Stock
Warrants or other Warrants to purchase equity securities issued by an
unaffiliated corporation or other entity and held by the Company, including the
following:
 
    (1) the title of such Stock Warrants or other Warrants;
 
    (2) the offering price of such Stock Warrants or other Warrants, if any;
 
    (3) the aggregate number of such Stock Warrants or other Warrants;
 
    (4) the designation and terms of the Common Stock, Preferred Stock or
  equity securities issued by an unaffiliated corporation or other entity and
  held by the Company purchasable upon exercise of such Stock Warrants or
  other Warrants;
 
    (5) if applicable, the designation and terms of the Securities with which
  such Stock Warrants or other Warrants are issued and the number of such
  Stock Warrants or other Warrants issued with each such Security;
 
    (6) if applicable, the date from and after which such Stock Warrants or
  other Warrants and any Securities issued therewith will be separately
  transferrable;
 
    (7) the number of shares of Common Stock, Preferred Stock or equity
  securities issued by an unaffiliated corporation or other entity and held
  by the Company purchasable upon exercise of a Stock Warrant or other
  Warrant and the price at which such shares may be purchased upon exercise;
 
    (8) the date on which the right to exercise such Stock Warrants or other
  Warrants shall commence and the date on which such right shall expire;
 
    (9) if applicable, the minimum or maximum amount of such Stock Warrants
  or other Warrants which may be exercised at any one time;
 
    (10) the currency, currencies or currency units in which the offering
  price, if, any, and the exercise price are payable;
 
                                       19
<PAGE>
 
    (11) if applicable, a discussion of certain United States federal income
  tax considerations;
 
    (12) the antidilution provisions of such Stock Warrants or other
  Warrants, if any;
 
    (13) the redemption or call provisions, if any, applicable to such Stock
  Warrants or other Warrants; and
 
    (14) any additional terms of such Stock Warrants or other Warrants,
  including terms, procedures and limitations relating to the exchange and
  exercise of such Stock Warrants or other Warrants.
 
Stockholder Rights Plan
   
  Each share of Common Stock includes one right to purchase Preferred Stock of
the Company ("Right"). Each Right entitles the registered holder to purchase
from the Company a unit consisting of one one-hundredth of a share (a
"Fractional Share") of Series A Junior Participating Preferred Stock, par value
$1.00 per share, of the Company (the "Series A Preferred Stock"), at a purchase
price per Fractional Share of $90, subject to adjustment (the "Purchase
Price"). The following summary description of the Rights does not purport to be
complete and is qualified in its entirety by reference to the Rights Agreement
between the Company and The Chase Manhattan Bank, Rights Agent (the "Rights
Agreement"), the form of which is filed as an exhibit to the Registration
Statement of which this Prospectus is a part and is incorporated herein by
reference.     
   
  The Rights will be separated from the Common Stock and a "Rights Distribution
Date" will occur, with certain exceptions, upon the earlier of (1) 10 days
following a public announcement that a person or group of affiliated or
associated persons (an "Acquiring Person") has acquired, or obtained the right
to acquire, beneficial ownership of 15% or more of the outstanding shares of
the Company's Common Stock (the date of the announcement being the "Stock
Acquisition Date"), or (2) 10 business days following the commencement of a
tender offer or exchange offer that would result in a person becoming an
Acquiring Person. In certain circumstances, the Rights Distribution Date may be
deferred by the Board of Directors of the Company. Certain inadvertent
acquisitions will not result in a person becoming an Acquiring Person if the
person promptly divests itself of sufficient Common Stock. Until the Rights
Distribution Date, (1) the Rights are evidenced by the certificates
representing outstanding shares of Common Stock and will be transferred with
and only with such certificates, which contain a notation incorporating the
Rights Agreement by reference, and (2) the surrender for transfer of any
certificate for Common Stock will also constitute the transfer of the Rights
associated with the Common Stock represented by such certificate.     
 
  The Rights are not exercisable until the Rights Distribution Date and will
expire at the close of business 10 years after the Rights are issued, unless
earlier redeemed or exchanged by the Company as described below.
 
  As soon as practicable after the Rights Distribution Date, Rights
Certificates will be mailed to holders of record of the Common Stock as of the
close of business on the Rights Distribution Date and, from and after the
Rights Distribution Date, the separate Rights Certificates alone will represent
the Rights. All shares of Common Stock issued prior to the Rights Distribution
Date will be issued with Rights. Shares of Common Stock issued after the Rights
Distribution Date in connection with certain employee benefit plans or upon
conversion of certain securities will be issued with Rights. Except as
otherwise determined by the Board of Directors of the Company, no other shares
of the Common Stock issued after the Rights Distribution Date will be issued
with Rights.
 
  In the event (a "Flip-In Event") that a person becomes an Acquiring Person
(except pursuant to a tender or exchange offer for all outstanding shares of
Common Stock at a price and on terms that a majority of the independent
directors of the Company determines to be fair to and otherwise in the best
interests of the Company and its stockholders (a "Permitted Offer")), each
holder of a Right will thereafter have the right to receive, upon exercise of
such Right, a number of shares of Common Stock (or, in certain circumstances,
cash, property or other securities of the Company) having a Current Market
Price (as defined in the Rights Agreement) equal to two times the exercise
price of the Right as set by the Company's Board of Directors. Notwithstanding
the foregoing, following the occurrence of any Triggering Event (as defined
below), all Rights
 
                                       20
<PAGE>
 
that are, or (under certain circumstances specified in the Rights Agreement)
were, beneficially owned by or transferred to an Acquiring Person (or by
certain related parties) will be null and void in the circumstances set forth
in the Rights Agreement. Rights are not exercisable following the occurrence of
any Flip-In Event, however, until such time as the Rights are no longer
redeemable by the Company as set forth below.
 
  In the event (a "Flip-Over Event") that, at any time from and after the time
an Acquiring Person becomes such, (1) the Company is acquired in a merger or
other business combination transaction (other than certain mergers that follow
a Permitted Offer) or (2) 50% or more of the Company's assets or earning power
is sold or transferred, each holder of a Right (except Rights that are voided
as set forth above) shall thereafter have the right to receive, upon exercise,
a number of shares of common stock of the acquiring company having a Current
Market Price equal to two times the exercise price of the Right as set by the
Company's Board of Directors. Flip-In Events and Flip-Over Events are
collectively referred to as "Triggering Events."
 
  The number of outstanding Rights associated with a share of Common Stock, or
the number of Fractional Shares of Series A Preferred Stock issuable upon
exercise of a Right and the Purchase Price, are subject to adjustment in the
event of a stock dividend on, or a subdivision, combination or reclassification
of, the Common Stock occurring prior to the Rights Distribution Date. The
Purchase Price payable, and the number of Fractional Shares of Series A
Preferred Stock or other securities or property issuable, upon exercise of the
Rights are subject to adjustment from time to time to prevent dilution in the
event of certain transactions affecting the Series A Preferred Stock.
 
  At any time until ten days following the first date of public announcement of
the occurrence of a Flip-In Event, the Company may redeem the Rights in whole,
but not in part, at a price of $0.01 per Right, payable, at the option of the
Company, in cash, shares of Common Stock or such other consideration as the
Board of Directors of the Company may determine. Immediately upon the
effectiveness of the action of the Board of Directors ordering redemption of
the Rights, the Rights will terminate and the only right of the holders of
Rights will be to receive the $0.01 redemption price.
 
  At any time after the occurrence of a Flip-In Event and prior to a person's
becoming the beneficial owner of 50% or more of the shares of Common Stock then
outstanding or the occurrence of a Flip-Over Event, the Company may exchange
the Rights (other than Rights owned by an Acquiring Person or an affiliate or
an associate of an Acquiring Person, which will have become void), in whole or
in part, at an exchange ratio of one share of Common Stock, and/or other equity
securities deemed to have the same value as one share of Common Stock, per
Right, subject to adjustment.
 
  Until a Right is exercised, the holder thereof, as such, will have no rights
as a stockholder of the Company, including, without limitation, the right to
vote or to receive dividends. While the distribution of the Rights should not
be taxable to stockholders or to the Company, stockholders may, depending upon
the circumstances, recognize taxable income in the event that the Rights become
exercisable for Common Stock (or other consideration of the Company) or for the
common stock of the acquiring company as set forth above or are exchanged as
provided in the preceding paragraph.
 
  Other than the redemption price, any of the provisions of the Rights
Agreement may be amended by the Board of Directors of the Company as long as
the Rights are redeemable. Thereafter, the provisions of the Rights Agreement
other than the redemption price may be amended by the Board of Directors in
order to cure any ambiguity, defect or inconsistency, to make changes that do
not materially adversely affect the interests of holders of Rights (excluding
the interests of any Acquiring Person), or to shorten or lengthen any time
period under the Rights Agreement; provided, however, that no amendment to
lengthen the time period governing redemption shall be made at such time as the
Rights are not redeemable.
   
  The Rights have certain antitakeover effects. They will cause substantial
dilution to any person or group that attempts to acquire the Company without
the approval of the Company's Board of Directors. As a result, the overall
effect of the Rights may be to render more difficult or discourage any attempt
to acquire the     
 
                                       21
<PAGE>
 
   
Company, even if such acquisition may be favorable to the interests of the
Company's stockholders. Because the Board of Directors of the Company can
redeem the Rights or approve a Permitted Offer, the Rights should not interfere
with a merger or other business combination approved by the Board. The Rights
were issued to protect the Company's stockholders from coercive or abusive
takeover tactics and inadequate takeover offers and to afford the Company's
Board of Directors more negotiating leverage in dealing with prospective
acquirors.     
 
                              PLAN OF DISTRIBUTION
   
  The Company may sell the Securities in and/or outside the United States: (1)
through underwriters or dealers; (2) directly to a limited number of purchasers
or to a single purchaser; or (3) through agents. The Prospectus Supplement with
respect to the Securities offered will set forth the terms of the offering,
including the name or names of any underwriters or agents, the purchase price
of the Securities offered and the proceeds to the Company from such sale, any
delayed delivery arrangements, any underwriting discounts and other items
constituting underwriters' compensation, any initial public offering price and
any discounts or concessions allowed or reallowed or paid to dealers. Any
initial public offering price and any discounts or concessions allowed or
reallowed or paid to dealers may be changed from time to time.     
   
  If underwriters are used in the sale, the Securities will be acquired by the
underwriters for their own account and 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 one or more managing underwriters or directly by one or more
firms acting as underwriters. The underwriter or underwriters with respect to a
particular underwritten offering of Securities to be named in the Prospectus
Supplement relating to such offering and, if an underwriting syndicate is used,
the managing underwriter or underwriters will be set forth on the cover of such
Prospectus Supplement. Unless otherwise set forth in the Prospectus Supplement
relating thereto, the obligations of the underwriters to purchase the
Securities offered will be subject to conditions precedent and the underwriters
will be obligated to purchase all the Securities offered if any are purchased.
       
  If dealers are utilized in the sale of Securities in respect of which this
Prospectus is delivered, the Company will sell such Securities to the dealers
as principals. The dealers may then resell such Securities to the public at
varying prices to be determined by such dealers at the time of resale. The
names of the dealers and the terms of the transaction will be set forth in the
Prospectus Supplement relating thereto.     
   
  The Securities may be sold directly by the Company or through agents
designated by the Company from time to time. Any agent involved in the offer or
sale of the Securities in respect to which this Prospectus is delivered will be
named, and any commissions payable by the Company to such agent will be set
forth, in the Prospectus Supplement relating thereto. Unless otherwise
indicated in the Prospectus Supplement, any such agent will be acting on a best
efforts basis for the period of its appointment.     
 
  The Securities may be sold directly by the Company to institutional investors
or others, who may be deemed to be underwriters within the meaning of the
Securities Act with respect to any resale thereof. The terms of any such sales
will be described in the Prospectus Supplement relating thereto.
   
  If so indicated in the Prospectus Supplement, the Company will authorize
agents, underwriters or dealers to solicit offers from certain types of
institutions to purchase Securities from the Company at the public offering
price set forth in the Prospectus Supplement pursuant to delayed delivery
contracts providing for payment and delivery on a specified date in the future.
Such contracts will be subject only to those conditions set forth in the
Prospectus Supplement, and the Prospectus Supplement will set forth the
commission payable for solicitation of such contracts.     
 
                                       22
<PAGE>
 
  Agents, dealers and underwriters may be entitled under agreements entered
into with the Company to indemnification by the Company against certain civil
liabilities, including liabilities under the Securities Act, or to contribution
with respect to payments which such agents, dealers or underwriters may be
required to make in respect thereof. Agents, dealers and underwriters may be
customers of, engage in transactions with, or perform services for the Company
in the ordinary course of business.
 
  The Securities may or may not be listed on a national securities exchange. No
assurances can be given that there will be a market for the Securities.
 
                                 LEGAL MATTERS
   
  Certain legal matters in connection with the securities offered hereby will
be passed upon for the Company by Baker & Botts, L.L.P., counsel to the
Company, located at 910 Louisiana, Houston, Texas 77002.     
 
                                    EXPERTS
 
  The Pennzoil Products Group combined financial statements incorporated by
reference in this Prospectus and elsewhere in the Registration Statement to the
extent and for the periods indicated in their report have been audited by
Arthur Andersen LLP, independent public accountants, and are included herein in
reliance upon the authority of said firm as experts in accounting and auditing
in giving said report.
   
  The consolidated financial statements and financial statement schedule of
Quaker State Corporation and its subsidiaries as of December 31, 1997 and 1996,
and for each of the three years in the period ended December 31, 1997,
incorporated by reference in this Registration Statement, have been
incorporated by reference herein in reliance on the report of
PricewaterhouseCoopers LLP, independent public accountants, given on the
authority of that firm as experts in accounting and auditing.     
 
                      WHERE YOU CAN FIND MORE INFORMATION
 
  The Company files reports, proxy statements and other information with the
Securities and Exchange Commission (the "Commission"). You may read and copy
any document filed by the Company at the Commission's public reference rooms
located at 450 Fifth Street, N.W., Judiciary Plaza, Room 1024, Washington, D.C.
20549; at regional offices of the Commission at the Northwestern Atrium Center,
500 West Madison Street, Suite 1400, Chicago, Illinois 60661-2511; and at 7
World Trade Center, New York, New York 10048. The Company's filings are also
available to the public from the Commission's Internet web site at
http://www.sec.gov. Information concerning the Company also may be inspected at
the New York Stock Exchange offices located at 20 Broad Street, New York, New
York 10005.
 
  We have filed with the Commission a Registration Statement (the "Registration
Statement") under the Securities Act of 1933, as amended (the "Securities
Act"), with respect to the Securities. This Prospectus does not contain all of
the information in the Registration Statement. For further information with
respect to the Company and the Securities, you should read the Registration
Statement and the exhibits attached to the Registration Statement.
 
                                       23
<PAGE>
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
   
  The Commission allows the Company to "incorporate by reference" the
information it files with them, which means that the Company can disclose
important information to you by referring you to those documents that are
considered part of this Prospectus. Later information the Company files with
the Commission will automatically update and supersede this information. The
Company incorporates by reference the following documents filed with the
Commission (File No. 1-14501):     
     
    (1) The Company's Form 10, as amended, declared effective by the
  Commission on December 2, 1998;     
     
    (2) The Company's Quarterly Report on Form 10-Q for the quarter ended
  September 30, 1998;     
     
    (3) The description of rights to purchase preferred stock contained in
  the Company's Registration Statement on Form 8-A filed with the Commission
  on December 18, 1998; and     
     
    (4) The Company's Current Reports on Form 8-K filed with the Commission
  on December 18, 1998, December 29, 1998, and January 13, 1999, as amended.
      
         
       
  Any future filings we make with the Commission under Section 13(a), 13(c), 14
or 15(d) of the Exchange Act are incorporated by reference in this Prospectus
until we complete any offering of the securities.
 
  We will provide, without charge, to each person to whom a copy of this
Prospectus has been delivered, a copy of any of the documents referred to above
as being incorporated by reference. You may request a copy by writing or
telephoning Ms. Linda F. Condit, Corporate Secretary, Pennzoil Place, P.O. Box
2967, Houston, Texas 77252-2967 (telephone 713/546-4000).
 
                                       24
<PAGE>
 
                                    PART II
 
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
Item 14. Other Expenses of Issuance and Distribution
 
  The estimated expenses payable by the Company in connection with the offering
described in this Registration Statement (other than underwriting discounts and
commissions) are as follows:
 
<TABLE>   
      <S>                                                              <C>
      SEC registration fee............................................ $295,000
      Printing expenses...............................................   50,000
      Accounting fees and expenses....................................  100,000
      Legal fees and expenses.........................................  100,000
      Blue Sky qualification fees and expenses........................   10,000
      Trustee's fees and expenses.....................................   75,000
      Fees of rating agencies.........................................  100,000
      Miscellaneous...................................................   10,000
                                                                       --------
          Total                                                        $740,000
                                                                       ========
</TABLE>    
 
Item 15. Indemnification of Directors and Officers
   
  Article 9 of the Amended and Restated By-Laws of the Company provides for
indemnification of any person who is, or is threatened to be made, a witness in
or a party to any proceeding by reason of his Corporate Status, as defined in
the Amended and Restated By-laws, to the extent authorized by applicable law
including, but not limited to, the Delaware General Corporation Law. Pursuant
to Section 145 of the Delaware General Corporation Law a corporation generally
has the power to indemnify its present and former directors, officers,
employees and agents against expenses and liabilities incurred by them in
connection with any suit to which they are, or are threatened to be made, a
party by reason of their serving in such positions so long as they acted in
good faith and in a manner they reasonably believed to be in, or not opposed
to, the best interests of the corporation, and with respect to any criminal
action, they had no reasonable cause to believe their conduct was unlawful.
With respect to suits by or in the right of a corporation, however,
indemnification is generally limited to attorney's fees and other expenses and
is not available if such person is adjudged to be liable to the corporation
unless the court determines that indemnification is appropriate. In addition, a
corporation has the power to purchase and maintain insurance for such persons.
Article 9 of the Amended and Restated By-laws also expressly provides that the
power to indemnify authorized thereby is not exclusive of any rights granted to
present and former directors, officers, employees and agents, under any bylaw,
agreement, vote of stockholders or disinterested directors, or otherwise.     
 
  Article IX of the Company's Restated Certificate of Incorporation eliminates
in certain circumstances the monetary liability of directors of the Company for
a breach of their fiduciary duty as directors. These provisions do not
eliminate the liability of a director
 
    (1) for a breach of the director's duty of loyalty to the corporation or
  its stockholders;
 
    (2) for acts or omissions not in good faith or which involve intentional
  misconduct or knowing violation of law;
 
    (3) under Section 174 of the Delaware General Corporation Law (relating
  to the declaration of dividends and purchase or redemption of shares in
  violation of the Delaware General Corporation Law); or
 
    (4) for transactions from which the director derived an improper personal
  benefit.
 
                                      II-1
<PAGE>
 
  The Company has purchased directors and officers liability insurance that
would indemnify the directors and officers of the Company against damages
arising out of certain kinds of claims that might be made against them based on
their negligent acts or omissions while acting in their capacity as such.
   
  The above discussion of the Company's Restated Certificate of Incorporation
and Amended and Restated By-Laws and of Section 145 of the Delaware General
Corporation Law is not intended to be exhaustive and is respectively qualified
in its entirety by such Restated Certificate of Incorporation, Amended and
Restated By-Laws and statute.     
 
Item 16. Exhibits.
 
<TABLE>   
<CAPTION>
 Exhibit
 Number                          Description of Exhibits
 ------- ----------------------------------------------------------------------
 <C>     <S>
   *1.1  --Form of Underwriting Agreement
   +3.1  --Restated Certificate of Incorporation of Pennzoil-Quaker State
          Company (incorporated by reference to Exhibit 4.2 to the Company's
          Form 8-K filed with the Commission on December 29, 1998)
   +3.2  --Amended and Restated By-Laws of Pennzoil-Quaker State Company
          (incorporated by reference to Exhibit 4.3 to the Company's Form 8-K
          filed with the Commission on December 29, 1998)
   +3.3  --Form of Common Stock Certificate of Pennzoil-Quaker State Company
          (incorporated by reference to Exhibit 3.5 to the Company's
          Registration Statement on Form S-4 Registration No. 333-61541 dated
          August 14, 1998)
   +3.4  --Rights Agreement between the Company and The Chase Manhattan Bank,
          Rights Agent (incorporated by reference to Exhibit 1 to the Company's
          Form 8-K filed with the Commission on December 18, 1998)
    4.1  --Form of Senior Indenture (filed herewith)
    4.2  --Form of Subordinated Indenture (filed herewith)
   *4.3  --Form of Deposit Agreement
   *4.4  --Form of Depositary Receipt
   *4.5  --Form of Warrant
    5    --Opinion of Baker & Botts, L.L.P., Houston, Texas relating to the
          Debt Securities, Preferred Stock, Depositary Shares, Common Stock,
          and Warrants (filed herewith)
   12    --Computation of Ratios of Earnings to Fixed Charges (filed herewith)
   23.1  --Consent of Arthur Andersen LLP, independent public accountants
          (filed herewith)
   23.2  --Consent of PricewaterhouseCoopers LLP, independent accountants
          (filed herewith)
   23.3  --Consent of PricewaterhouseCoopers LLP, independent accountants
          (filed herewith)
   23.4  --Consent of Baker & Botts, L.L.P. (included in Exhibit 5)
   24    --Powers of Attorney (filed herewith and previously filed)
 **25.1  --Form T-1 Statement of Eligibility and Qualification under the Trust
          Indenture Act of 1939 relating to the Senior Indenture
 **25.2  --Form T-1 Statement of Eligibility and Qualification under the Trust
          Indenture Act of 1939 relating to the Subordinated Indenture
 **99.1  --Consent of persons named as future directors of Pennzoil-Quaker
          State Company
</TABLE>    
- --------
   
 * To be filed by amendment or as an exhibit to a current report on Form 8-K
       
 + Incorporated herein by reference     
   
** Previously filed     
 
                                      II-2
<PAGE>
 
Item 17. Undertakings.
 
  (a) The undersigned registrant hereby undertakes:
 
    (1) To file, during any period in which offers or sales are being made, a
  post-effective amendment to this registration statement:
 
      (i) To include any prospectus required by section 10(a)(3) of the
    Securities Act;
 
      (ii) To reflect in the prospectus any facts or events arising after
    the effective date of the 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 the registration statement;
 
      (iii) To include any material information with respect to the plan of
    distribution not previously disclosed in the registration statement or
    any material change to such information in the registration statement;
 
  provided, however, that paragraphs (i) and (ii) 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 by the registrant
  pursuant to section 13 or section 15(d) of the Exchange Act that are
  incorporated by reference in the registration statement.
 
    (2) That, for the purpose of determining any liability under the
  Securities Act, 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.
 
    (3) To remove from registration by means of a post-effective amendment
  any of the securities being registered which remain unsold at the
  termination of the offering.
 
  (b) The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
registrant's annual report pursuant to section 13(a) or section 15(d) of the
Exchange Act (and, where applicable, each filing of an employee benefit plan's
annual report pursuant to section 15(d) of the Exchange Act) that is
incorporated by reference in the 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.
 
  (c) Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers and controlling persons of the
Company pursuant to the provisions described under Item 15 above, or otherwise,
the Company has been advised that, in the opinion of the Commission, such
indemnification is against public policy as expressed in the Securities Act and
is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the Company of expenses
incurred or paid by a director, officer or controlling person of the Company in
the successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the Company will, unless, in the opinion of its counsel, the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Securities Act and will be governed by the final
adjudication of such issue.
 
                                      II-3
<PAGE>
 
                                   SIGNATURES
   
  Pursuant to the requirements of the Securities Act of 1933, the Company
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Houston, the State of Texas, on January 21, 1999.
                                            
                                         Pennzoil-Quaker State Company     
 
                                         By:      
                                               /s/ James L. Pate         
                                           ------------------------------------
                                                     James L. Pate,
                                                Chief Executive Officer
   
  Pursuant to the requirements of the Securities Act of 1933, this Registration
Statement has been signed by the following persons in the capacities indicated
on January 21, 1999.     
 
<TABLE>   
<S>  <C>
                Name                       Title
 
        /s/ James L. Pate           Principal Executive
- ----------------------------------   Officer
 (James L. Pate, Chairman of the
              Board
   and Chief Executive Officer)
 
     /s/ David P. Alderson II       Principal Financial
- ----------------------------------   Officer
(David P. Alderson II, Group Vice
            President
 
Howard H. Baker, Jr.*
   and Chief Financial Officer)
W. L. Lyons Brown, Jr.*
Ernest H. Cockrell*                 A Majority of the Directors of
Alfonso Fanjul*                     Pennzoil-Quaker State Company
Berdon Lawrence*
James J. Postl*
Gerald B. Smith*
 
*By: /s/ David P. Alderson II
  -------------------------------
  (David P. Alderson II, Attorney-
              in-Fact)
</TABLE>    
 
                                      II-4
<PAGE>
 
                               INDEX TO EXHIBITS
 
<TABLE>   
<CAPTION>
 Exhibit
 Number                          Description of Exhibits
 ------- ----------------------------------------------------------------------
 <C>     <S>
   *1.1  --Form of Underwriting Agreement
   +3.1  --Restated Certificate of Incorporation of Pennzoil-Quaker State
          Company (incorporated by reference to Exhibit 4.2 to the Company's
          Form 8-K filed with the Commission on December 29, 1998)
   +3.2  --Amended and Restated By-Laws of Pennzoil-Quaker State Company
          (incorporated by reference to Exhibit 4.3 to the Company's Form 8-K
          filed with the Commission on December 29, 1998)
   +3.3  --Form of Common Stock Certificate of Pennzoil-Quaker State Company
          (incorporated by reference to Exhibit 3.5 to the Company's
          Registration Statement on Form S-4 Registration No. 333-61541 dated
          August 14, 1998)
   +3.4  --Rights Agreement between the Company and The Chase Manhattan Bank,
          Rights Agent (incorporated by reference to Exhibit 1 to the Company's
          Form 8-K filed with the Commission on December 18, 1998)
    4.1  --Form of Senior Indenture (filed herewith)
    4.2  --Form of Subordinated Indenture (filed herewith)
   *4.3  --Form of Deposit Agreement
   *4.4  --Form of Depositary Receipt
   *4.5  --Form of Warrant
     5   --Opinion of Baker & Botts, L.L.P., Houston, Texas relating to the
          Debt Securities, Preferred Stock, Depositary Shares, Common Stock,
          and Warrants (filed herewith)
   12    --Computation of Ratios of Earnings to Fixed Charges (filed herewith)
   23.1  --Consent of Arthur Andersen LLP, independent public accountants
          (filed herewith)
   23.2  --Consent of PricewaterhouseCoopers LLP, independent accountants
          (filed herewith)
   23.3  --Consent of PricewaterhouseCoopers LLP, independent accountants
          (filed herewith)
   23.4  --Consent of Baker & Botts, L.L.P. (included in Exhibit 5)
   24    --Powers of Attorney (filed herewith and previously filed)
 **25.1  --Form T-1 Statement of Eligibility and Qualification under the Trust
          Indenture Act of 1939 relating to the Senior Indenture
 **25.2  --Form T-1 Statement of Eligibility and Qualification under the Trust
          Indenture Act of 1939 relating to the Subordinated Indenture
 **99.1  --Consent of persons named as future directors of Pennzoil-Quaker
          State Company
</TABLE>    
- --------
   
 * To be filed by amendment or as an exhibit to a current report on Form 8-K
       
 + Incorporated herein by reference     
   
** Previously filed     
 
                                      II-5

<PAGE>
 
                                                                     EXHIBIT 4.1



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


                         PENNZOIL-QUAKER STATE COMPANY


                                      AND


                   CHASE BANK OF TEXAS, NATIONAL ASSOCIATION
                                    TRUSTEE


                               ________________


                                   INDENTURE


                        DATED AS OF ____________, 199__



                               ________________



                                DEBT SECURITIES



===============================================================================
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

          RECONCILIATION AND TIE BETWEEN TRUST INDENTURE ACT OF 1939
                AND INDENTURE, DATED AS OF _____________, 199__
<TABLE>
<CAPTION>
 
 
   Section of
 Trust Indenture                                                                                            Section(s) of
   Act of 1939                                                                                                Indenture
 ----------------                                                                                         ------------------
<S>          <C>                                                                                          <C>

 (S) 310      (a)(1)..................................................................................     609
              (a)(2)..................................................................................     609
              (a)(3)..................................................................................     Not Applicable
              (a)(4)..................................................................................     Not Applicable
              (b).....................................................................................     608, 610
 (S) 311      (a).....................................................................................     613
              (b).....................................................................................     613
              (c).....................................................................................     Not Applicable
 (S) 312      (a).....................................................................................     701, 702(a)
              (b).....................................................................................     702(b)
              (c).....................................................................................     702(b)
 (S) 313      (a).....................................................................................     703(a)
              (b).....................................................................................     703(a)
              (c).....................................................................................     703(a)
              (d).....................................................................................      703(b)
 (S) 314      (a).....................................................................................      704, 1005
              (b).....................................................................................      Not Applicable
              (c)(1)..................................................................................      103
              (c)(2)..................................................................................      103
              (c)(3)..................................................................................      Not Applicable
              (d).....................................................................................      Not Applicable
              (e).....................................................................................      103
 (S) 315      (a).....................................................................................      601(a)
              (b).....................................................................................      602
              (c).....................................................................................      601(b)
              (d).....................................................................................      601(c)
              (d)(1)..................................................................................      601(a)(1)
              (d)(2)..................................................................................      601(c)(2)
              (d)(3)..................................................................................      601(c)(3)
              (e).....................................................................................      514
 (S) 316      (a)(1)(A)...............................................................................      502, 512
              (a)(1)(B)...............................................................................      513
              (a)(2)..................................................................................      Not Applicable
              (a) last sentence.......................................................................      101
              (b).....................................................................................      508
 (S) 317      (a)(1)..................................................................................      503
              (a)(2)..................................................................................      504
              (b).....................................................................................      1003               
 (S) 318      (a).....................................................................................      108
_____________
Note:  This reconciliation and tie shall not, for any purpose, be deemed to be a part of the Indenture.
</TABLE> 
<PAGE>
 
                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>
<S>  <C>                                                                                                  <C>
PARTIES....................................................................................................1

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

                                  ARTICLE ONE

                       DEFINITIONS AND OTHER PROVISIONS
                            OF GENERAL APPLICATION

SECTION 101.  Definitions..................................................................................1
     Act...................................................................................................2
     Additional Amounts....................................................................................2
     Affiliate.............................................................................................2
     Agent Members.........................................................................................2
     Authenticating Agent..................................................................................2
     Authorized Newspaper..................................................................................2
     Board of Directors....................................................................................2
     Board Resolution......................................................................................3
     Business Day..........................................................................................3
     Commission............................................................................................3
     Company...............................................................................................3
     Company Request.......................................................................................3
     Conversion Event......................................................................................3
     Corporate Trust Office................................................................................3
     Default...............................................................................................3
     Defaulted Interest....................................................................................3
     Depositary............................................................................................3
     Dollar................................................................................................4
     Event of Default......................................................................................4
     Exchange Rate.........................................................................................4
     Holder................................................................................................4
     Indenture.............................................................................................4
     interest..............................................................................................4
     Interest Payment Date.................................................................................4
     Judgment Currency.....................................................................................4
     Maturity..............................................................................................4
     Officers' Certificate.................................................................................4
</TABLE> 

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


                                      -i-


<PAGE>
 
<TABLE>
<CAPTION>
<S>  <C>                                                                                                  <C>
     Opinion of Counsel....................................................................................4
     Original Issue Discount Security......................................................................4
     Outstanding...........................................................................................5
     Paying Agent..........................................................................................6
     Person................................................................................................6
     Place of Payment......................................................................................6
     Predecessor Security..................................................................................6
     Redemption Date.......................................................................................6
     Redemption Price......................................................................................6
     Regular Record Date...................................................................................6
     Required Currency.....................................................................................6
     Responsible Officer...................................................................................6
     Securities............................................................................................6
     Security Custodian....................................................................................7
     Security Register.....................................................................................7
     Special Record Date...................................................................................7
     Stated Maturity.......................................................................................7
     Subsidiary............................................................................................7
     Trustee...............................................................................................7
     Trust Indenture Act...................................................................................7
     United States.........................................................................................7
     United States Alien...................................................................................7
     U.S. Government Obligations...........................................................................7
     Vice President........................................................................................8
     Wholly Owned Subsidiary...............................................................................8
     Yield to Maturity.....................................................................................8 
SECTION 102.   Incorporation by Reference of Trust Indenture Act...........................................8
SECTION 103.   Compliance Certificates and Opinions........................................................8
SECTION 104.   Form of Documents Delivered to Trustee......................................................9 
SECTION 105.   Acts of Holders; Record Dates..............................................................10
SECTION 106.   Notices, Etc., to Trustee and Company......................................................11
SECTION 107.   Notice to Holders; Waiver..................................................................11
SECTION 108.   Conflict With Trust Indenture Act..........................................................12
SECTION 109.   Effect of Headings and Table of Contents...................................................12
SECTION 110.   Successors and Assigns.....................................................................12
SECTION 111.   Separability Clause........................................................................12
SECTION 112.   Benefits of Indenture......................................................................13
SECTION 113.   Governing Law..............................................................................13
SECTION 114.   Legal Holidays.............................................................................13
SECTION 115.   Corporate Obligation.......................................................................13 
</TABLE>


                                     -ii-

<PAGE>
 
                                 ARTICLE TWO 

                                SECURITY FORMS
<TABLE>
<CAPTION>
 
<S>           <C>                                                                                         <C>
SECTION 201.   Forms Generally............................................................................13
SECTION 202.   Form of Trustee's Certificate of Authentication............................................14
SECTION 203.   Securities in Global Form..................................................................14 
</TABLE>
                                 ARTICLE THREE

                                THE SECURITIES
<TABLE>
<CAPTION>
 
<S>           <C>                                                                                         <C>
SECTION 301.   Amount Unlimited; Issuable in Series.......................................................17   
SECTION 302.   Denominations..............................................................................20
SECTION 303.   Execution, Authentication, Delivery and Dating.............................................20
SECTION 304.   Temporary Securities.......................................................................22
SECTION 305.   Registration, Registration of Transfer and Exchange........................................22
SECTION 306.   Mutilated, Destroyed, Lost and Stolen Securities...........................................23
SECTION 307.   Payment of Interest; Interest Rights Preserved.............................................24
SECTION 308.   Persons Deemed Owners......................................................................25
SECTION 309.   Cancellation...............................................................................26
SECTION 310.   Computation of Interest....................................................................26
SECTION 311.   CUSIP Numbers..............................................................................26 
</TABLE>
                                 ARTICLE FOUR

                          SATISFACTION AND DISCHARGE
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                       <C>
SECTION 401.   Satisfaction and Discharge of Indenture....................................................26
SECTION 402.   Application of Trust Money.................................................................28
SECTION 403.   Discharge of Liability on Securities of Any Series.........................................29
SECTION 404.   Reinstatement..............................................................................29 
</TABLE>
                                 ARTICLE FIVE 

                                   REMEDIES
<TABLE>
<CAPTION>
 
<S>           <C>                                                                                        <C>
SECTION 501.   Events of Default..........................................................................30
SECTION 502.   Acceleration of Maturity; Rescission and Annulment.........................................32 
SECTION 503.   Collection of Indebtedness and Suits for Enforcement by
                  Trustee.................................................................................33
SECTION 504.   Trustee May File Proofs of Claim...........................................................34
</TABLE> 



                                     -iii-

<PAGE>
 
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                        <C>
SECTION 505.   Trustee May Enforce Claims Without Possession of Securities or
                  Coupons.................................................................................35
SECTION 506.   Application of Money Collected.............................................................35
SECTION 507.   Limitation on Suits........................................................................36
SECTION 508.   Unconditional Right of Holders to Receive Principal, Premium
                  and Interest............................................................................36
SECTION 509.   Restoration of Rights and Remedies.........................................................37
SECTION 510.   Rights and Remedies Cumulative.............................................................37
SECTION 511.   Delay or Omission Not Waiver...............................................................37
SECTION 512.   Control by Holders.........................................................................37
SECTION 513.   Waiver of Past Defaults....................................................................38
SECTION 514.   Undertaking for Costs......................................................................38
SECTION 515.   Waiver of Stay or Extension Laws...........................................................39 
</TABLE>
                                  ARTICLE SIX

                                  THE TRUSTEE
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                        <C>
SECTION 601.   Certain Duties and Responsibilities........................................................39
SECTION 602.   Notice of Defaults.........................................................................40
SECTION 603.   Certain Rights of Trustee..................................................................41
SECTION 604.   Not Responsible for Recitals or Issuance of Securities.....................................42
SECTION 605.   May Hold Securities........................................................................42
SECTION 606.   Money Held in Trust........................................................................42
SECTION 607.   Compensation and Reimbursement.............................................................42
SECTION 608.   Disqualification; Conflicting Interests....................................................43
SECTION 609.   Corporate Trustee Required; Eligibility....................................................44
SECTION 610.   Resignation and Removal; Appointment of Successor..........................................44
SECTION 611.   Acceptance of Appointment by Successor.....................................................46
SECTION 612.   Merger, Conversion, Consolidation or Succession to Business................................47
SECTION 613.   Preferential Collection of Claims Against Company..........................................47
SECTION 614.   Appointment of Authenticating Agent........................................................47
</TABLE>
                                 ARTICLE SEVEN

               HOLDER'S LISTS AND REPORTS BY TRUSTEE AND COMPANY
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                        <C>
SECTION 701.   Company to Furnish Trustee Names and Addresses of Holders..................................49
SECTION 702.   Preservation of Information; Communications to Holders.....................................49
SECTION 703.   Reports by Trustee.........................................................................50
SECTION 704.   Reports by Company.........................................................................50
</TABLE>




                                     -iv-

<PAGE>
 
                                 ARTICLE EIGHT

             CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE
<TABLE>
<CAPTION>
 
<S>           <C>                                                                                        <C>
SECTION 801.   Company May Consolidate, Etc., Only on Certain Terms.......................................50
SECTION 802.   Successor Person Substituted...............................................................51
</TABLE> 
                                 ARTICLE NINE

                            SUPPLEMENTAL INDENTURES
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                       <C>
SECTION 901.   Supplemental Indentures Without Consent of Holders.........................................51
SECTION 902.   Supplemental Indentures With Consent of Holders............................................52
SECTION 903.   Execution of Supplemental Indentures.......................................................54
SECTION 904.   Effect of Supplemental Indentures..........................................................54
SECTION 905.   Conformity With Trust Indenture Act........................................................54
SECTION 906.   Reference in Securities to Supplemental Indentures.........................................54
</TABLE>
                                  ARTICLE TEN

                                   COVENANTS
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                        <C>
SECTION 1001.  Payment of Principal, Premium and Interest.................................................54
SECTION 1002.  Maintenance of Office or Agency............................................................55
SECTION 1003.  Money for Securities Payments to be Held in Trust..........................................55
SECTION 1004.  Existence..................................................................................56
SECTION 1005.  Statement by Officers as to Default........................................................57
SECTION 1006.  Waiver of Certain Covenants................................................................57
SECTION 1007.  Additional Amounts.........................................................................57

</TABLE>
                                ARTICLE ELEVEN

                           REDEMPTION OF SECURITIES
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                       <C>
SECTION 1101.  Applicability of Article...................................................................58
SECTION 1102.  Election to Redeem; Notice to Trustee......................................................58
SECTION 1103.  Selection by Trustee of Securities to be Redeemed..........................................59
SECTION 1104.  Notice of Redemption.......................................................................59
SECTION 1105.  Deposit of Redemption Price................................................................60
SECTION 1106.  Securities Payable on Redemption Date......................................................60
SECTION 1107.  Securities Redeemed in Part................................................................60
</TABLE>




                                      -v-

<PAGE>
 
                                ARTICLE TWELVE

                                 SINKING FUNDS

<TABLE>
<CAPTION>
 
<S>            <C>                                                                                       <C>
SECTION 1201.  Applicability of Article...................................................................61
SECTION 1202.  Satisfaction of Sinking Fund Payments with Securities......................................61
SECTION 1203.  Redemption of Securities for Sinking Fund..................................................62
</TABLE>
                               ARTICLE THIRTEEN

                       MEETINGS OF HOLDERS OF SECURITIES
<TABLE>
<CAPTION>
 
<S>            <C>                                                                                       <C>
SECTION 1301.  Purposes for Which Meetings May Be Called..................................................62
SECTION 1302.  Call, Notice and Place of Meetings.........................................................62
SECTION 1303.  Persons Entitled to Vote at Meetings.......................................................63
SECTION 1304.  Quorum; Action.............................................................................63
SECTION 1305.  Determination of Voting Rights; Conduct and Adjournment of
                   Meetings...............................................................................64
SECTION 1306.  Counting Votes and Recording Action of Meetings............................................64
 

     TESTIMONIUM..........................................................................................67
     SIGNATURE AND SEALS..................................................................................67
</TABLE>




                                     -vi-

<PAGE>
 
          INDENTURE, dated as of _______________, 199__ between PENNZOIL-QUAKER
STATE COMPANY, a corporation duly organized and existing under the laws of the
State of Delaware (herein called the "Company"), having its principal office at
Pennzoil Place, Houston, Texas 77252-2967, and CHASE BANK OF TEXAS, NATIONAL
ASSOCIATION, a national banking association duly organized and existing under
the laws of the United States of America, as Trustee (herein called the
"Trustee"), the office of the Trustee at which at the date hereof its corporate
trust business is principally administered being 600 Travis, Suite 1150,
Houston, Texas 77002, Attention: Global Trust Service Department.

                            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.

          This Indenture is subject to the provisions of the Trust Indenture Act
and the rules and regulations of the Commission promulgated thereunder that are
required to be part of this Indenture and, to the extent applicable, shall be
governed by such provisions.

          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 series
thereof, as follows:

                                  ARTICLE ONE

                       DEFINITIONS AND OTHER PROVISIONS
                            OF GENERAL APPLICATION

SECTION 101.   Definitions.

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

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

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

                                      -1-
<PAGE>
 
     and, except as otherwise herein expressly provided, the term "generally
     accepted accounting principles" with respect to any computation required or
     permitted hereunder shall mean such accounting principles as are generally
     accepted in the United States at the date of such computation; and

          (3)  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
Section 102.

          "Act," when used with respect to any Holder, has the meaning
specified in Section 105.

          "Additional Amounts" means any additional amounts that are required
by the express terms of a Security or by or pursuant to a Board Resolution,
under circumstances specified therein or pursuant thereto, to be paid by the
Company with respect to certain taxes, assessments or other governmental charges
imposed on certain Holders and that are owing to such Holders.

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

          "Agent Members" has the meaning specified in Section 203.

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

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

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

                                      -2-
<PAGE>
 
          "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," when used with respect to any Place of Payment, means
each Monday, Tuesday, Wednesday, Thursday and Friday that is not a day on which
banking institutions in that Place of Payment or the city in which the Corporate
Trust Office is located are authorized or obligated by law or executive order to
close.

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

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

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

          "Conversion Event" has the meaning specified in Section 501.

          "Corporate Trust Office" means the principal office of the Trustee in
Houston, Texas at which at any particular time its corporate trust business
shall be principally administered, which office at the date hereof is that
indicated in the introductory paragraph of this Indenture.

          "Default" means, with respect to the Securities of any series, any
event, act or condition that is, or after notice or the passage of time or both
would be, an Event of Default with respect to Securities of such series.

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

          "Depositary" means, with respect to the Securities of any series
issuable or issued in whole or in part in a global form, the Person designated
as Depositary by the Company pursuant to Section 301 with respect to the
Securities of such series, until a successor Depositary shall have become such
pursuant to the applicable provisions of this Indenture, and thereafter
"Depositary" shall mean or include each Person who is then a Depositary
hereunder, and if at any time there is more than one such person, "Depositary"
as used with respect to the Securities of any series shall mean the Depositary
with respect to the Securities of that series.

                                      -3-
<PAGE>
 
          "Dollar" or "$" means a dollar or other equivalent unit in such coin
or currency of the United States as at the time shall be legal tender for the
payment of public and private debts.

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

          "Exchange Rate" has the meaning specified in Section 302.

          "Holder," when used with respect to any Security, means the Person in
whose name the Security is registered in the Security Register.

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

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

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

          "Judgment Currency" has the meaning specified in Section 506.

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

          "Officers' Certificate" means a certificate signed by the Chairman of
the Board, the President or a Vice President, and by the Treasurer, the
Controller, the Secretary or an Assistant Treasurer, Assistant Controller or
Assistant Secretary of the Company, and delivered to the Trustee, which
certificate shall be in compliance with Section 103 hereof.

          "Opinion of Counsel" means a written opinion of counsel, who may be
counsel for or an employee of the Company, rendered, if applicable, in
accordance with Section 314(c) of the Trust Indenture Act, which opinion shall
be in compliance with Section 103 hereof.

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

                                      -4-
<PAGE>
 
          "Outstanding," when used with respect to Securities of a series,
means as of the date of determination, all Securities of such series theretofore
authenticated and delivered under this Indenture, except:

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

          (ii)    Securities for whose payment or redemption money in the
     necessary amount has been theretofore irrevocably 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

          (iii)   Securities that have been paid pursuant to Section 306 or in
     exchange for or in lieu of which other Securities have been authenticated
     and delivered pursuant to this Indenture, other than any such Securities in
     respect of which there shall have been presented to the Trustee proof
     satisfactory to it that such Securities are held by a bona fide purchaser
     in whose hands such Securities are valid  obligations of the Company;

provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, or whether a
quorum is present at a meeting of Holders of Securities, (a) the principal
amount of an Original Issue Discount Security that shall be deemed to be
Outstanding for such purposes shall be the principal amount thereof that would
be due and payable as of the date of such determination upon acceleration of the
Maturity thereof pursuant to Section 502, (b) the principal amount of a Security
denominated in a foreign currency shall be the U.S. dollar equivalent,
determined by the Company on the date of original issuance of such Security, of
the principal amount (or, in the case of an Original Issue Discount Security,
the U.S. dollar equivalent, determined on the date of original issuance of such
Security, of the amount determined as provided in (a) above), of such Security
and (c) Securities owned by the Company or any other obligor upon the Securities
or any Affiliate of the Company or of such other obligor shall be disregarded
and deemed not to be Outstanding, except that, in determining whether the
Trustee shall be protected in relying upon any such request, demand,
authorization, direction, notice, consent or waiver or upon any such
determination as to the presence of a quorum, only Securities which a
Responsible Officer of the Trustee knows to be so owned shall be so disregarded.
Securities so owned which have been pledged in good faith may be regarded as
Outstanding if the pledgee establishes to the satisfaction of the Trustee the
pledgee's right so to act with respect to such Securities and that the pledgee
is not the Company or any other obligor upon the Securities or any Affiliate of
the Company or of such other obligor.

                                      -5-
<PAGE>
 
          "Paying Agent" means any Person, which may include the Company,
authorized by the Company to pay the principal of, premium (if any) or interest
on or any Additional Amounts with respect to any one or more series of
Securities on behalf of the Company.

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

          "Place of Payment," when used with respect to the Securities of any
series, means the place or places where the principal of, premium (if any) or
interest on or any Additional Amounts with respect to the Securities of such
series are payable as specified in accordance with Section 301 subject to the
provisions of Section 1002.

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

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

          "Regular Record Date" for the interest payable on any Interest
Payment Date on the Securities of any series means the date specified for that
purpose as contemplated by Section 301, or, if not so specified, the last day of
the calendar month preceding such Interest Payment Date if such Interest Payment
Date is the fifteenth day of the calendar month or the fifteenth day of the
calendar month preceding such Interest Payment Date if such Interest Payment
Date is the first day of a calendar month, whether or not such day shall be a
Business Day.

          "Required Currency" has the meaning specified in Section 506.

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

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

                                      -6-
<PAGE>
 
          "Security Custodian" means, with respect to Securities of a series
issued in global form, the Trustee for Securities of such series, acting in its
capacity as custodian with respect to the Securities of such series, or any
successor entity thereto.

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

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

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

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

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

          "Trust Indenture Act" means the Trust Indenture Act of 1939 as in
force at the date as of which this instrument was executed, except as provided
in Section 905; provided, however, that, in the event the Trust Indenture Act of
1939 is amended after such date, "Trust Indenture Act" means, to the extent
required by any such amendment, the Trust Indenture Act of 1939 as so amended.

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

          "United States Alien" means any Person who, for United States federal
income tax purposes, is a foreign corporation, a nonresident alien individual, a
nonresident alien or foreign fiduciary of an estate or trust, or a foreign
partnership.

          "U.S. Government Obligations" has the meaning specified in
Section 401.

                                      -7-
<PAGE>
 
          "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".

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

          "Yield to Maturity," when used with respect to any Original Issue
Discount Security, means the yield to maturity, if any, set forth on the face
thereof.

SECTION 102.   Incorporation by Reference of Trust Indenture Act.

          Whenever this Indenture refers to a provision of the Trust Indenture
Act, the provision is incorporated by reference in and made a part of this
Indenture.  The following Trust Indenture Act terms used in this Indenture have
the following meanings:

          "Bankruptcy Act" means the Bankruptcy Act or Title 11 of the United
States Code.

          "indenture securities" means the Securities.

          "indenture security holder" means a Holder.

          "indenture to be qualified" means this Indenture.

          "indenture trustee" or "institutional trustee" means the Trustee.

          "obligor" on the indenture securities means the Company or any other
obligor on the Securities.

          All terms used in this Indenture that are defined by the Trust
Indenture Act, defined by a Trust Indenture Act reference to another statute or
defined by Commission rule under the Trust Indenture Act and not otherwise
defined herein have the meanings assigned to them therein.

SECTION 103.   Compliance Certificates and Opinions.

          Except as otherwise expressly provided by this Indenture, 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,

                                      -8-
<PAGE>
 
if any, provided for in this Indenture relating to the proposed action have been
complied with and an Opinion of Counsel stating that in the opinion of such
counsel all such conditions precedent, if any, have been complied with, except
that in the case of any such application or request as to which the furnishing
of such documents is specifically required by any provision of this Indenture
relating to such particular application or request, no additional certificate or
opinion need be furnished.

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

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

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

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

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

SECTION 104.   Form of Documents Delivered to Trustee.

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

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

                                      -9-
<PAGE>
 
          Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or other
instruments under this Indenture, they may, but need not, be consolidated and
form one instrument.

SECTION 105.   Acts of Holders; Record Dates.

     (a)  Any request, demand, authorization, direction, notice, consent, waiver
or other action provided by this Indenture to be given or taken by Holders may
be embodied in and evidenced by one or more instruments of substantially similar
tenor signed by such Holders in person or by an agent duly appointed in writing.
Except as herein otherwise expressly provided, such action shall become
effective when such instrument or instruments or record or both are delivered to
the Trustee and, where it is hereby expressly required, to the Company.  Such
instrument or instruments and any such record (and the action embodied therein
and evidenced thereby) are herein sometimes referred to as the "Act" of the
Holders signing such instrument or instruments and so voting at any such
meeting.  Proof of execution of any such instrument or of a writing appointing
any such agent, or the holding of any Person of a Security, shall be sufficient
for any purpose of this Indenture and (subject to Section 601) conclusive in
favor of the Trustee and the Company, if made in the manner provided in this
Section 105.  The record of any meeting of Holders of Securities shall be proved
in the manner provided in Section 1306.

          The Company may set a record date for purposes of determining the
identity of Holders of Securities entitled to vote or consent to any action by
vote or consent authorized or permitted under this Indenture.  If a record date
is fixed, those Persons who were Holders of Outstanding Securities at such
record date (or their duly designated proxies), and only those Persons, shall be
entitled with respect to such Securities to take such action by vote or consent
or to revoke any vote or consent previously given, whether or not such Persons
continue to be Holders after such record date.  Promptly after any record date
is set pursuant to this paragraph, the Company, at its own expense, shall cause
notice thereof to be given to the Trustee in writing in the manner provided in
Section 106 and to the relevant Holders as set forth in Section 107.

     (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 principal amount and serial numbers of Securities held by any
Person, and the date of holding the same, shall be proved by the Security
Register.

                                      -10-
<PAGE>
 
     
     (d) In determining whether the Holders of the requisite principal amount of
Outstanding Securities have given any request, demand, authorization, direction,
notice, consent or waiver under this Indenture, the principal amount of an
Original Issue Discount Security that may be counted in making such
determination and that shall be deemed to be Outstanding for such purposes shall
be equal to the amount of the principal thereof that would be due and payable
upon a declaration of acceleration of the Maturity thereof pursuant to Section
502 at the time the taking of such action by the Holders of such requisite
principal amount is evidenced to the Trustee for such Securities.      

     (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.  Any consent or waiver of the Holder of any Security shall be
irrevocable for a period of six months after the date of execution thereof, but
otherwise any such Holder or subsequent Holder may revoke the request, demand,
authorization, direction, notice, consent or other Act as to his Security or
portion of his Security; provided, however, that such revocation shall be
effective only if the Trustee receives the notice of revocation before the date
the Act becomes effective.

SECTION 106.   Notices, Etc., to Trustee and Company.

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

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

          (2)  the Company by the Trustee or by any Holder shall be sufficient
     for every purpose hereunder (unless otherwise herein expressly provided) if
     in writing and mailed, first-class postage prepaid, to the Company
     addressed to it at the address of its principal office specified in the
     first paragraph of this Indenture or at any other address previously
     furnished in writing to the Trustee by the Company, Attention: Corporate
     Secretary.

SECTION 107.   Notice to Holders; Waiver.

          Where this Indenture provides for notice to Holders of Securities 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 the address of such Holder 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.

                                      -11-
<PAGE>
 
          In case by reason of the suspension of regular mail service, or by
reason of any other cause it shall be impracticable to give such notice to
Holders of Securities by mail, then such notification as shall be made with the
approval of the Trustee shall constitute a sufficient notification for every
purpose hereunder.  In any case in which notice to Holders of Securities is
given by mail, neither the failure to mail such notice, nor any defect in any
notice so mailed, to any  particular Holder of a Security, shall affect the
sufficiency of such notice with respect to other Holders of Securities.

          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.

SECTION 108.   Conflict With Trust Indenture Act.
    
          If any provision hereof limits, qualifies or conflicts with any
provision of the Trust Indenture Act or another provision hereof required to be
included in this Indenture by any of the provisions of the Trust Indenture Act,
such provision of the Trust Indenture Act 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, such provision of this Indenture shall be
given effect.      


SECTION 109.   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 110.   Successors and Assigns.

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

SECTION 111.   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.

                                      -12-
<PAGE>
 
SECTION 112.   Benefits of Indenture.

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

SECTION 113.   Governing Law.

          This Indenture and the Securities shall be governed by and construed
in accordance with the laws of the State of New York, but without giving effect
to applicable principles of conflicts of law to the extent the application of
the laws of another jurisdiction would be required thereby.

SECTION 114.   Legal Holidays.

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

SECTION 115.   Corporate Obligation.

          No recourse may be taken, directly or indirectly, against any
incorporator, subscriber to the capital stock, stockholder, officer, director or
employee of the Company or the Trustee or of any predecessor or successor of the
Company or the Trustee with respect to the Company's obligations on the
Securities or the obligations of the Company or the Trustee under this Indenture
or any certificate or other writing delivered in connection herewith.

                                  ARTICLE TWO

                                SECURITY FORMS

SECTION 201.   Forms Generally.

          The Securities of each series shall be in fully registered form and in
substantially such form or forms (including temporary or permanent global form)
as shall be established by or pursuant to a Board Resolution or in one or more
indentures supplemental hereto, in each case with such appropriate insertions,
omissions, substitutions and other variations as are required or permitted by

                                      -13-
<PAGE>
 
this Indenture and may have such letters, numbers or other marks of
identification and such legends or endorsements placed thereon as may be
required to comply with the rules of any securities exchange or as may,
consistently herewith, be determined by the officers of the Company executing
such Securities, as evidenced by their execution of the Securities.  If
temporary Securities of any series are issued in global form as permitted by
Section 304, the form thereof shall be established as provided in the preceding
sentence.  A copy of the Board Resolution establishing the form or forms of
Securities of any series (or any such temporary global Security) shall be
delivered to the Trustee at or prior to the delivery of the Company Order
contemplated by Section 303 for the authentication and delivery of such
Securities (or any such temporary global Security).

          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 thereof.

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

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

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

                              Chase Bank of Texas, National Association
                              as Trustee

                              By
                                -----------------------------------------------
                                         Authorized Signatory."

SECTION 203.   Securities in Global Form.

          If Securities of a series are issuable in global form, as contemplated
by Section 301, then, notwithstanding clause (10) of Section 301 and the
provisions of Section 302, any such Security shall represent such of the
Outstanding Securities of such series as shall be specified therein and may
provide that it shall represent the aggregate amount of Outstanding Securities
from time to time endorsed thereon and that the aggregate amount of Outstanding
Securities represented thereby may from time to time be reduced to reflect
exchanges or redemptions.  Any endorsement of a Security in global form to
reflect the amount, or any increase or decrease in the amount, of Outstanding
Securities represented thereby shall be made by the Trustee in such manner and
upon instructions given by such Person or Persons as shall be specified in such
Security or in a Company Order to be delivered to the Trustee pursuant to
Section 303 or Section 304.  Subject to the provisions of Section 303 and, if
applicable, Section 304, the Trustee shall deliver and redeliver any Security in
permanent global form in the manner and upon instructions given by the Person or
Persons specified in such Security or in the applicable Company Order.  With
respect to the Securities of any series that are represented by a Security in
global form, the Company authorizes

                                      -14-
<PAGE>
 
the execution and delivery by the Trustee of a letter of representations or
other similar agreement or instrument in the form customarily provided for by
the Depositary appointed with respect to such global Security. Any Security in
global form may be deposited with the Depositary or its nominee, or may remain
in the custody of the Security Custodian therefor pursuant to an agreement
between the Trustee and the Depositary. If a Company Order pursuant to
Section 303 or 304 has been, or simultaneously is, delivered, any instructions
by the Company with respect to endorsement or delivery or redelivery of a
Security in global form shall be in writing but need not comply with Section 103
and need not be accompanied by an Opinion of Counsel.

          Members of, or participants in, the Depositary ("Agent Members") shall
have no rights under this Indenture with respect to any Security issued in
global form held on their behalf by the Depositary, or the Security Custodian as
its custodian, or under such global Security, and the Depositary may be treated
by the Company, the Security Custodian and any agent of the Company or the
Trustee as the absolute owner of such global Security for all purposes
whatsoever. Notwithstanding the foregoing, (i) the registered holder of a
Security of any series issued in global form may grant proxies and otherwise
authorize any Person, including Agent Members and Persons that may hold
interests through Agent Members, to take any action that a Holder of such series
is entitled to take under this Indenture or the Securities of such series and
(ii) nothing herein shall prevent the Company, the Security Custodian or any
agent of the Company or the Security Custodian, from giving effect to any
written certification, proxy or other authorization furnished by the Depositary
or shall impair, as between the Depositary and its Agent Members, the operation
of customary practices governing the exercise of the rights of a beneficial
owner of any Security.
    
          Notwithstanding Section 305, except as otherwise specified in a Board
Resolution or supplemental indenture, as contemplated by Section 301, any
permanent global Security shall be exchangeable only as provided in this
paragraph. If the beneficial owners of interests in a permanent global Security
are entitled to exchange such interest for Securities of such series and of like
tenor and principal amount of another authorized form and denomination, as
specified in a Board Resolution or supplemental indenture, as contemplated by
Section 301, then without unnecessary delay but in any event not later than the
earliest date on which such interests may be so exchanged, the Company shall
deliver to the Trustee definitive Securities of that series in an aggregate
principal amount equal to the principal amount of such permanent global
Security, executed by the Company. On or after the earliest date on which such
interests may be so exchanged, such permanent global Security shall be
surrendered from time to time in accordance with instructions given to the
Trustee and the Depositary (which instructions shall be in writing but need not
comply with Section 103 or be accompanied by an Opinion of Counsel) by the
Depositary or such other depositary as shall be specified in the Company Order
with respect thereto to the Trustee, as the Company's agent for such purpose, to
be exchanged, in whole or in part, for definitive Securities of the same series
without charge and the Trustee shall authenticate and deliver, in exchange for
each portion of such permanent global Security, a like aggregate principal
amount of other definitive Securities of the same series of authorized
denominations and of like tenor as the portion of such permanent global Security
to be exchanged; provided, however, that no such exchanges may occur during a
period beginning at the opening of business 15 days before any selection of
Securities of that series is to be redeemed and ending on the relevant
Redemption Date.      
 
                                      -15-
<PAGE>
 
Promptly following any such exchange in part, such permanent global Security
marked to evidence the partial exchange shall be returned by the Trustee to the
Depositary or such other depositary referred to above in accordance with the
instructions of the Company referred to above. If a definitive Security is
issued in exchange for any portion of a permanent global Security after the
close of business at the office or agency where such exchange occurs on (i) any
Regular Record Date and before the opening of business at such office or agency
on the relevant Interest Payment Date, or (ii) any Special Record Date and
before the opening of business at such office or agency on the related proposed
date for payment of Defaulted Interest, interest or Defaulted Interest, as the
case may be, will not be payable on such Interest Payment Date or proposed date
for payment, as the case may be, in respect of such Security, but will be
payable on such Interest Payment Date or proposed for payment, as the case may
be, only to the Person to whom interest in respect of such portion of such
permanent global Security is payable in accordance with the provisions of this
Indenture.
    
          Notwithstanding Section 305, except as otherwise specified in a Board
Resolution or supplemental indenture as contemplated by Section 301, transfers
of a Security issued in global form shall be limited to transfers of such global
Security in whole, but not in part, to the Depositary, its successors or their
respective nominees. Interests of beneficial owners in a Security issued in
global form may be transferred in accordance with the rules and procedures of
the Depositary. Securities of any series shall be transferred to all beneficial
owners of a global Security of such series in exchange for their beneficial
interests in that global Security if, and only if, either (1) the Depositary
notifies the Company that it is unwilling or unable to continue as Depositary
for the global Security of such series and a successor Depositary is not
appointed by the Company within 90 days of such notice, (2) an Event of Default
has occurred with respect to such series and is continuing and the Security
Registrar has received a request from the Depositary or the Trustee to issue
Securities of such series in lieu of all or a portion of that global Security
(in which case the Company shall deliver Securities of such series within 30
days of such request) or (3) the Company determines not to have the Securities
of such series represented by a global Security.      

          In connection with any transfer of a portion of the beneficial
interest in a global Security of any series to beneficial owners pursuant to
this Section 203, the Security Registrar shall reflect on its books and records
the date and a decrease in the principal amount of the global Security of that
series in an amount equal to the principal amount of the beneficial interest in
the global Security of that series to be transferred, and the Company shall
execute, and the Trustee upon receipt of a Company Order for the authentication
and delivery of Securities of that series shall authenticate and deliver, one or
more Securities of the same series of like tenor and amount.

          In connection with the transfer of all the beneficial interests in a
global Security of any series to beneficial owners pursuant to this Section 203,
the global Security shall be deemed to be surrendered to the Trustee for
cancellation, and the Company shall execute, and the Trustee shall authenticate
and deliver, to each beneficial owner identified by the Depositary in exchange
for its beneficial interest in the global Security, an equal aggregate principal
amount of Securities of that series of authorized denominations.

                                      -16-
<PAGE>
 
     
          Neither the Company nor the Trustee will have any responsibility or
liability for any aspect of the records kept by the Depositary relating to
Securities of any series, or for payments made on account of Securities of any
series, or for maintaining, supervising or reviewing any records of the
Depositary relating to such Securities. Neither the Company nor the Trustee
shall be liable for any delay by the related global Security Holder or the
Depositary in identifying the beneficial owners, and each such Person may
conclusively rely on, and shall be protected in relying on, instructions from
such global Security Holder or the Depositary for all purposes (including with
respect to the registration and delivery, and the principal amounts, of the
Securities to be issued).      

          The provisions of the last sentence of Section 303 shall apply to any
Security in global form if such Security was never issued and sold by the
Company and the Company delivers to the Trustee the Security in global form
together with written instructions (which need not comply with Section 103 and
need not be accompanied by an Opinion of Counsel) with regard to the reduction
in the principal amount of Securities represented thereby, together with the
written statement contemplated by the last sentence of Section 303.

          Notwithstanding the provisions of Sections 201 and 307, unless
otherwise specified as contemplated by Section 301, payment of principal of,
premium (if any) and interest on or any Additional Amounts with respect to any
Security in permanent global form shall be made to the Person or Persons
specified therein.

          Notwithstanding the provisions of Section 308 and except as provided
in the preceding paragraph, the Company, the Trustee and any agent of the
Company or of the Trustee shall treat a Person as the Holder of such principal
amount of Outstanding Securities represented by a global Security as shall be
specified in a written statement, if any, of the Holder of such global Security
which is produced to the Security Registrar by such Holder.

          Global Securities may be issued in either temporary or permanent form.
Permanent global Securities will be issued in definitive form.

                                 ARTICLE THREE

                                THE SECURITIES

SECTION 301.   Amount Unlimited; Issuable in Series.

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

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

                                      -17-
<PAGE>
 
          (1)  the title of the Securities of such 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 such 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 such series pursuant to Section 203, 304, 305, 306, 906 or
     1107);

          (3)  whether Securities of such series are to be issuable initially in
     temporary global form and whether any Securities of such series are to be
     issuable in permanent global form and, if so, whether beneficial owners of
     interests in any such global Security may exchange such interests for
     Securities of such series and of like tenor of any authorized form and
     denomination and the circumstances under which any such exchanges may
     occur, if other than in the manner provided in Sections 203 or 305, and the
     Depositary for any global Security or Securities of such series;

          (4)  the manner in which any interest payable on a temporary global
     Security of such series on any Interest Payment Date will be paid if other
     than in the manner provided in Section 304;

          (5)  the date or dates on which the principal or premium (if any) of
     the Securities of such series is payable or the method of determination
     thereof;

          (6)  the rate or rates, or the method of determination thereof, at
     which the Securities of such series shall bear interest, if any, whether
     and under what circumstances Additional Amounts with respect to such
     Securities shall be payable, the date or dates from which such interest
     shall accrue, the Interest Payment Dates on which such interest shall be
     payable and, if other than as set forth in Section 101, the Regular Record
     Date for the interest payable on any Securities on any Interest Payment
     Date;

          (7)  the place or places where, subject to the provisions of
     Section 1002, the principal of, premium (if any) and interest on or any
     Additional Amounts with respect to the Securities of such series shall be
     payable;

          (8)  the period or periods within which, the price or prices (whether
     denominated in cash, securities or otherwise) at which and the terms and
     conditions upon which Securities of such series may be redeemed, in whole
     or in part, at the option of the Company, if the Company is to have that
     option, and the manner in which the Company must exercise any such option,
     if different from those set forth herein;

          (9)  the obligation, if any, of the Company to redeem or purchase
     Securities of such series pursuant to any sinking fund or analogous
     provisions or at the option of a Holder thereof and the period or periods
     within which, the price or prices (whether denominated in

                                      -18-
<PAGE>
 
     cash, securities or otherwise) at which and the terms and conditions upon
     which, Securities of such series shall be redeemed or purchased in whole or
     in part pursuant to such obligation;

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

          (11) the currency or currencies (including composite currencies), if
     other than Dollars, or the form, including equity securities, other debt
     securities (including Securities), warrants or any other securities or
     property of the Company or any other Person, in which payment of the
     principal of, premium (if any) and interest on or any Additional Amounts
     with respect to the Securities of such series shall be payable;

          (12) if the principal of, premium (if any) or interest on or any
     Additional Amounts with respect to the Securities of such series are to be
     payable, at the election of the Company or a Holder thereof, in a currency
     or currencies (including composite currencies) other than that in which the
     Securities are stated to be payable, the currency or currencies (including
     composite currencies) in which payment of the principal of, premium (if
     any) and interest on or any Additional Amounts with respect to Securities
     of such series as to which such election is made shall be payable, and the
     periods within which and the terms and conditions upon which such election
     is to be made;

          (13) if the amount of payments of principal of, premium (if any) and
     interest on or any Additional Amounts with respect to the Securities of
     such series may be determined with reference to any commodities, currencies
     or indices, values, rates or prices or any other index or formula, the
     manner in which such amounts shall be determined;

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

          (15) any additional means of satisfaction and discharge of this
     Indenture with respect to Securities of such series pursuant to
     Section 401, any additional conditions to discharge pursuant to
     Section 401 or 403 and the application, if any, of Section 403;

          (16) any deletions or modifications of or additions to the definitions
     set forth in Section 101, Events of Default set forth in Section 501 or
     covenants of the Company set forth in Article Ten pertaining to the
     Securities of such series;

          (17) if the Securities of such series are to be convertible into or
     exchangeable for equity securities, other debt securities (including
     Securities), warrants or any other securities or property of the Company or
     any other Person, at the option of the Company or the Holder or upon the
     occurrence of any condition or event, the terms and conditions for such
     conversion or exchange;

                                      -19-
<PAGE>
 
          (18) whether any of such Securities will be subject to certain
     optional interest rate reset provisions;

          (19) the additions or changes, if any, to the Indenture with respect
     to such Securities as shall be necessary to permit or facilitate the
     issuance of such Securities in bearer form, registered or not registrable
     as to principal, and with or without interest coupons; and

          (20) any other terms of such 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 the Board Resolution referred to above and (subject to Section 303) set
forth, or determined in the manner provided, in the Officers' Certificate
referred to above or in any such indenture supplemental hereto.

          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 any Holder
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
together with 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 Officers' Certificate setting forth the terms of the series.

SECTION 302.   Denominations.

          The Securities of each series shall be issuable in such denominations
as shall be specified as contemplated by Section 301.  In the absence of any
such provisions with respect to the Securities of any series, the Securities of
such series denominated in Dollars shall be issuable in denominations of $1,000
and any integral multiple thereof.  Unless otherwise provided as contemplated by
Section 301 with respect to any series of Securities, any Securities of a series
denominated in a currency other than Dollars shall be issuable in denominations
that are the equivalent, as determined by the Company by reference to the noon
buying rate in The City of New York for cable transfers for such currency
("Exchange Rate"), as such rate is reported or otherwise made available by the
Federal Reserve Bank of New York, on the applicable issue date for such
Securities, of $1,000 and any integral multiple thereof.

SECTION 303.   Execution, Authentication, Delivery and Dating.

          The Securities shall be executed on behalf of the Company by its
Chairman of the Board, its President, its Treasurer or one of its Vice
Presidents, under its corporate seal reproduced thereon or affixed thereto
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.

                                      -20-
<PAGE>
 
          Securities bearing the manual or facsimile signatures of individuals
who were at any time the proper officers of the Company shall bind the Company,
notwithstanding that such individuals or any of them have ceased to hold such
offices prior to the authentication and delivery of such Securities or did not
hold such offices at the date of such Securities.

          At any time and from time to time after the execution and delivery of
this Indenture, the Company may deliver Securities of any series executed by the
Company to the Trustee for authentication, together with a Company Order for the
authentication and delivery of such Securities, and the Trustee in accordance
with the Company Order shall authenticate and deliver such Securities as in this
Indenture provided and not otherwise.

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

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

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

          (c)  that such Securities when authenticated and delivered by the
     Trustee and issued by the Company in the manner and subject to any
     conditions specified in such Opinion of Counsel, will constitute legal,
     valid and binding obligations of the Company, enforceable in accordance
     with their terms, except as such enforcement is subject to the effect of
     (i) bankruptcy, insolvency, fraudulent conveyance, reorganization or other
     laws relating to or affecting creditors' rights and (ii) general principles
     of equity (regardless of whether such enforcement is considered in a
     proceeding in equity or at law).

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

                                      -21-
<PAGE>
 
shall have been authenticated and delivered hereunder but never issued and sold
by the Company, and the Company shall deliver such Security to the Trustee for
cancellation as provided in Section 309 together with a written statement (which
need not comply with Section 103 and need not be accompanied by an Opinion of
Counsel) stating that such Security has never been issued and sold by the
Company, for all purposes of this Indenture such Security shall be deemed never
to have been authenticated and delivered hereunder and shall never be entitled
to the benefits of this Indenture.

SECTION 304.   Temporary Securities.

          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 that are printed, lithographed, typewritten,
mimeographed or otherwise produced, in any authorized denomination,
substantially of the tenor of the definitive Securities in lieu of which they
are issued, in registered form and with such appropriate insertions, omissions,
substitutions and other variations as the officers of the Company executing such
Securities may determine, as evidenced by their execution of such Securities.

          Except in the case of temporary Securities in global form (which shall
be exchanged in accordance with the provisions of the following paragraphs), if
temporary Securities of any series are issued, the Company will cause definitive
Securities of that series to be prepared without unreasonable delay. After the
preparation of definitive Securities of such series, the temporary Securities of
such series shall be exchangeable for definitive Securities of such series upon
surrender of the temporary Securities of such series at the office or agency of
the Company in a Place of Payment for that series, without charge to the Holder.
Upon surrender for cancellation of any one or more temporary Securities of any
series, the Company shall execute and deliver a Company Order requesting the
Trustee to authenticate and deliver 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.

          All Outstanding temporary Securities of any series shall in all
respects be entitled to the same benefits under this Indenture as definitive
Securities of the same series and of like tenor authenticated and delivered
hereunder.

SECTION 305.   Registration, Registration of Transfer and Exchange.

          The Company shall cause to be kept for each series of Securities at
one of the offices or agencies maintained pursuant to Section 1002 a register
(the register maintained in such office and in any other office or agency of the
Company in a Place of Payment being herein sometimes collectively referred to as
the "Security Register") in which, subject to such reasonable regulations as it
may prescribe, the Company shall provide for the registration of Securities and
of transfers of Securities of such series.  The Trustee is hereby initially
appointed "Security Registrar" for the purpose of registering Securities and
transfers of Securities as herein provided.

                                      -22-
<PAGE>
 
          Except as set forth in Section 203 or as may be provided pursuant to
Section 301, upon surrender for registration of transfer of any Security of any
series at the office or agency in a Place of Payment for that series, the
Company shall execute and deliver a Company Order requesting the Trustee to
authenticate and deliver and the Trustee shall authenticate and deliver, in the
name of the designated transferee or transferees, one or more new Securities of
the same series and of like tenor, of any authorized denominations and of a like
aggregate principal amount.

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

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

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

          No service charge shall be made for any registration of transfer or
exchange of Securities, but the Company may require payment of a sum 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 exchange
pursuant to Section 304, 906 or 1107 not involving any transfer.

          The Company shall not be required (i) to issue, register the transfer
of or exchange Securities of any series during a period beginning at the opening
of business 15 days before the day of the mailing of a notice of redemption of
Securities of such series selected for redemption and ending at the close of
business on the day of the mailing of the relevant notice of redemption 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.

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

          If any mutilated Security is surrendered to the Trustee, the Company
shall execute and deliver a Company Order requesting the Trustee to authenticate
and deliver 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.

                                      -23-
<PAGE>
 
          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.

          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 306, 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 fee and expenses of the Trustee) connected therewith.

          Every new Security of any series issued pursuant to this Section 306
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 306 are exclusive and shall preclude
(to the extent lawful) all other rights and remedies with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Securities.

SECTION 307.   Payment of Interest; Interest Rights Preserved.

          Interest on any Security which is payable, and is punctually paid or
duly provided for, on any Interest Payment Date shall be paid to the Person in
whose name that Security (or one or more Predecessor Securities) is registered
at the close of business on the Regular Record Date for such interest.  Unless
otherwise provided with respect to the Securities of any series, payment of
interest may be made at the option of the Company by check mailed or delivered
to the address of any Person entitled thereto as such address shall appear in
the Security Register.

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

                                      -24-
<PAGE>
 
          (1)  The Company may elect to make payment of any Defaulted Interest
     to the Persons in whose names the Securities of such series (or their
     respective Predecessor Securities) are registered at the close of business
     on a Special Record Date for the payment of such Defaulted Interest, which
     shall be fixed in the following manner. The Company shall notify the
     Trustee in writing of the amount of Defaulted Interest proposed to be paid
     on each Security of such series and the date of the proposed payment, and
     at the same time the Company shall deposit with the Trustee an amount of
     money equal to the aggregate amount proposed to be paid in respect of such
     Defaulted Interest or shall make arrangements satisfactory to the Trustee
     for such deposit prior to the date of the proposed payment, such money when
     deposited to be held in trust for the benefit of the Persons entitled to
     such Defaulted Interest as in this clause (1) provided. Thereupon the
     Trustee shall fix a Special Record Date for the payment of such Defaulted
     Interest which shall be not more than 15 days and not less than 10 days
     prior to the date of the proposed payment and not less than 10 days after
     the receipt by the Trustee of the notice of the proposed payment. The
     Trustee shall promptly notify the Company of such Special Record Date and,
     in the name and at the expense of the Company, shall cause notice of the
     proposed payment of such Defaulted Interest and the Special Record Date
     therefor to be mailed, first-class postage prepaid, to each Holder of
     Securities of such series at his address as it appears in the Security
     Register, not less than 10 days prior to such Special Record Date. The
     Trustee may, in its discretion, in the name and at the expense of the
     Company, cause a similar notice to be published at least once in an
     Authorized Newspaper, but such publication shall not be a condition
     precedent to the establishment of such Special Record Date. Notice of the
     proposed payment of such Defaulted Interest and the Special Record Date
     therefor having been so mailed, such Defaulted Interest shall be paid to
     the Persons in whose names the Securities of such series (or their
     respective Predecessor Securities) are registered at the close of business
     on such Special Record Date and shall no longer be payable pursuant to the
     following clause (2).

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

          Subject to the foregoing provisions of this Section 307, each Security
delivered under this Indenture, upon registration of transfer of, in exchange
for or in lieu of, any other Security, shall carry the rights to interest
accrued and unpaid, and to accrue, which were carried by such other Security.

SECTION 308.   Persons Deemed Owners.

          Prior to due presentment of a Security for registration of transfer,
the Company, the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name such

                                      -25-
<PAGE>
 
Security is registered as the owner of such Security for the purpose of
receiving payment of principal of, premium (if any) and (subject to Sections 305
and 307) interest on such Security and for all other purposes whatsoever,
whether or not such Security be overdue, and neither the Company, the Trustee
nor any agent of the Company or the Trustee shall be affected by notice to the
contrary.

SECTION 309.   Cancellation.

          All Securities surrendered for payment, redemption, registration of
transfer or exchange or for credit against any sinking fund payment shall, if
surrendered to any Person other than the Trustee, be delivered to the Trustee.
All Securities so delivered shall be promptly canceled by 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 canceled by the Trustee.  No Securities shall be authenticated in lieu
of or in exchange for any Securities canceled as provided in this Section 309,
except as expressly permitted by this Indenture.  All canceled Securities held
by the Trustee shall be disposed of by the Trustee in accordance with its
customary procedures, unless the Trustee is otherwise directed by a Company
Order.

SECTION 310.   Computation of Interest.

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

SECTION 311.   CUSIP Numbers.

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

                                 ARTICLE FOUR

                          SATISFACTION AND DISCHARGE

SECTION 401.   Satisfaction and Discharge of Indenture.

          This Indenture shall upon Company Request cease to be of further
effect with respect to Securities of a series, and the Trustee, at the expense
of the Company, shall execute proper

                                      -26-
<PAGE>
 
instruments acknowledging satisfaction and discharge of this Indenture with
respect to Securities of such series, when

          (1)  either

               (A) all Securities of such series theretofore authenticated and
          delivered (other than (i) Securities that have been destroyed, lost or
          stolen and that have been replaced or paid as provided in Section 306,
          and (ii) Securities for whose payment money has theretofore been
          deposited in trust or segregated and held in trust by the Company and
          thereafter repaid to the Company or discharged from such trust, as
          provided in Section 1003) have been delivered to the Trustee for
          cancellation;
    
               (B) with respect to all Outstanding Securities of such series not
          theretofore delivered to the Trustee for cancellation, the Company has
          deposited or caused to be deposited with the Trustee as trust funds,
          under the terms of an irrevocable trust agreement in form and
          substance satisfactory to the Trustee, for the purpose money or U.S.
          Government Obligations maturing as to principal and interest in such
          amounts and at such times as will, together with the income to accrue
          thereon, without consideration of any reinvestment thereof, be
          sufficient to pay and discharge the entire indebtedness on all
          Outstanding Securities of such series not theretofore delivered to the
          Trustee for cancellation for principal of, premium (if any) and
          interest on or any Additional Amounts and mandatory obligations
          pursuant to any sinking fund or analogous provisions with respect to
          such Securities to the Stated Maturity or any Redemption Date
          contemplated by the penultimate paragraph of this Section 401, as the
          case may be; or
     
               (C) the Company has properly fulfilled such other means of
          satisfaction and discharge as is specified, as contemplated by
          Section 301, to be applicable to the Securities of such series;

          (2)  the Company has paid or caused to be paid all other sums payable
     hereunder by the Company with respect to the Outstanding Securities of such
     series;

          (3)  the Company has complied with any other conditions specified
     pursuant to Section 301 to be applicable to the discharge of Securities of
     such series pursuant to this Section 401;

          (4)  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 with respect to the Outstanding Securities of such series have
     been complied with;

          (5)  if the conditions set forth in Section 401(1)(A) have not been
     satisfied, and unless otherwise specified pursuant to Section 301 for the
     Securities of such series, the

                                      -27-
<PAGE>
 
     Company has delivered to the Trustee an Opinion of Counsel to the effect
     that the Holders of Securities of such series will not recognize income,
     gain or loss for United States federal income tax purposes as a result of
     such deposit, satisfaction and discharge and will be subject to United
     States federal income tax on the same amount and in the same manner and at
     the same time as would have been the case if such deposit, satisfaction and
     discharge had not occurred; and
    
          (6) no Default or Event of Default with respect to the Securities of
     such series shall have occurred and be continuing on the date of the
     Company's fulfillment of the requirements of clause (1) of this Section 401
     or, in so far as clause (5) or (6) of Section 501 is concerned, at any time
     in the period ending on the 91st day after the date of the Company's
     fulfillment of the requirements of clause (1) of this Section 401 (it being
     understood that this condition shall not be deemed satisfied until the
     expiration of such period).      

          For the purposes of this Indenture, "U.S. Government Obligations"
means direct noncallable obligations of, or noncallable obligations the payment
of principal of and interest on which is guaranteed by, the United States of
America, or to the payment of which obligations or guarantees the full faith and
credit of the United States of America is pledged, or beneficial interests in a
trust the corpus of which consists exclusively of money or such obligations or a
combination thereof.

          If any Outstanding Securities of such series are to be redeemed prior
to their Stated Maturity, whether pursuant to any optional redemption provisions
or in accordance with any mandatory sinking fund requirement, the trust
agreement referred to in subclause (B) of clause (1) of this Section 401 shall
provide therefor and the Company shall make such arrangements as are
satisfactory to the Trustee for the giving of notice of redemption by the
Trustee in the name, and at the expense, of the Company.

          Notwithstanding the satisfaction and discharge of this Indenture with
respect to the Outstanding Securities of such series pursuant to this
Section 401, the obligations of the Company to the Trustee under Section 607,
the obligations of the Company to any Authenticating Agent under Section 614
and, except for a discharge pursuant to subclause (A) of clause (1) of this
Section 401, the obligations of the Company under Sections 305, 306, 404, 1001
and 1002 and the obligations of the Trustee under Section 402 and the last
paragraph of Section 1003 shall survive.

SECTION 402.   Application of Trust Money.
    
          Subject to the provisions of the last paragraph of Section 1003, all
money deposited with the Trustee pursuant to Section 401 shall be held in trust
and applied by it, in accordance with the provisions of the Securities and this
Indenture, to the payment, either directly or through any Paying Agent
(including the Company acting as its own Paying Agent) as the Trustee may
determine, to the Persons entitled thereto, of the principal of, premium (if
any) and interest on or any Additional Amounts with respect to Securities of
any series for the payment of which such money has been deposited with the
Trustee.      

                                      -28-
<PAGE>
 
SECTION 403.   Discharge of Liability on Securities of Any Series.

          If this Section 403 is specified, as contemplated by Section 301, to
be applicable to Securities of any series, the Company shall be deemed to have
paid and discharged the entire indebtedness on all the Outstanding Securities of
such series, the obligation of the Company under this Indenture and the
Securities of such series to pay the principal of, premium (if any) and interest
on and any Additional Amounts with respect to Securities of such series shall
cease, terminate and be completely discharged, and the Trustee, at the expense
of the Company, shall execute proper instruments acknowledging such satisfaction
and discharge, when

          (1)  the Company has complied with the provisions of Section 401 of
     this Indenture (other than any additional conditions specified pursuant to
     Sections 301 and 401(3) and except that the Opinion of Counsel referred to
     in Section 401(5) shall state that it is based on a ruling by the Internal
     Revenue Service or other change since the date hereof under applicable
     Federal income tax law) with respect to all Outstanding Securities of such
     series,

          (2)  the Company has delivered to the Trustee a Company Request
     requesting such satisfaction and discharge,

          (3)  the Company has complied with any other conditions specified
     pursuant to Section 301 to be applicable to the discharge of Securities of
     such series pursuant to this Section 403, and

          (4)  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 discharge of the indebtedness on the
     Outstanding Securities of such series have been complied with.

          Upon the satisfaction of the conditions set forth in this Section 403
with respect to all the Outstanding Securities of any series, the terms and
conditions of such series, including the terms and conditions with respect
thereto set forth in this Indenture, shall no longer be binding upon, or
applicable to, the Company; provided that, the Company shall not be discharged
from any payment obligations in respect of Securities of such series which are
deemed not to be Outstanding under clause (iii) of the definition thereof if
such obligations continue to be valid obligations of the Company under
applicable law or pursuant to Section 305 or 306.

SECTION 404.   Reinstatement.

          If the Trustee or Paying Agent is unable to apply any money or U.S.
Government Obligations deposited with respect to Securities of any series in
accordance with Section 401 by reason of any legal proceeding or by reason of
any order or judgment of any court or governmental authority enjoining,
restraining or otherwise prohibiting such application, the Company's obligations
under this Indenture with respect to the Securities of such series and the
Securities of such series

                                      -29-
<PAGE>
 
shall be revived and reinstated as though no deposit had occurred pursuant to
Section 401 until such time as the Trustee or Paying Agent is permitted to apply
all such money or U.S. Government Obligations in accordance with Section 401;
provided, however, that if the Company has made any payment of principal of,
premium (if any) or interest on or any Additional Amounts with respect to any
Securities because of the reinstatement of its obligations, the Company shall be
subrogated to the rights of the Holders of such Securities to receive such
payment from the money or U.S. Government Obligations held by the Trustee or
Paying Agent.

                                 ARTICLE FIVE

                                   REMEDIES

SECTION 501.   Events of Default.

          "Event of Default," wherever used herein with respect to Securities of
any series, means any one of the following events (whatever the reason for such
Event of Default and whether it shall be voluntary or involuntary or effected by
operation of law or pursuant to any judgment, decree or order of any court or
any order, rule or regulation of any administrative or governmental body),
unless it is either inapplicable to a particular series or it is specifically
deleted or modified in or pursuant to the supplemental indenture or Board
Resolution establishing such series of Securities or in the form of Security for
such series:
    
          (1)  default in the payment of any interest on or any Additional
     Amounts with respect to any Security of that series when such interest or
     Additional Amounts become due and payable, and continuance of such default
     for a period of 30 days; or
     
          (2)  default in the payment of the principal of or premium (if any) on
     any Security of that series at its Maturity; or
    
          (3)  default in the deposit of any mandatory sinking fund payment,
     when and as due by the terms of a Security of that series, and continuance
     of such default for a period of 30 days; or
     
          (4)  default in the performance or breach of any covenant of the
     Company in this Indenture (other than a covenant a default in whose
     performance or whose breach is elsewhere in this Section 501 specifically
     dealt with or which has expressly been included in this Indenture solely
     for the benefit of one or more series of Securities other than that
     series), and continuance of such default or breach for a period of 90 days
     after there has been given, by registered or certified mail, to the Company
     by the Trustee or to the Company and the Trustee by the Holders of at least
     25% in principal amount of all Outstanding Securities 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

                                      -30-
<PAGE>
 
          (5)  the entry by a court having jurisdiction in the premises of (A) a
     decree or order for relief in respect of the Company in an involuntary case
     or proceeding under any applicable federal or state bankruptcy, insolvency,
     reorganization or other similar law or (B) a decree or order adjudging the
     Company a bankrupt or insolvent, or approving as properly filed a petition
     seeking reorganization, arrangement, adjustment or composition of or in
     respect of the Company under any applicable federal or state law, or
     appointing a custodian, receiver, liquidator, assignee, trustee,
     sequestrator or other similar official of the Company or of any substantial
     part of its property, or ordering the winding up or liquidation of its
     affairs, and the continuance of any such decree or order for relief or any
     such other decree or order unstayed and in effect for a period of 90
     consecutive days; or

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

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

          Notwithstanding the foregoing provisions of this Section 501, if the
principal of, premium (if any) or any interest on or any Additional Amounts with
respect to any Security is payable in a currency or currencies (including a
composite currency) other than Dollars and such currency or currencies are not
available to the Company for making payment thereof due to the imposition of
exchange controls or other circumstances beyond the control of the Company (a
"Conversion Event"), the Company will be entitled to satisfy its obligations to
Holders of the Securities by making such payment in Dollars in an amount equal
to the Dollar equivalent of the amount payable in such other currency, as
determined by the Company by reference to the Exchange Rate, as such Exchange
Rate is certified for customs purposes by the Federal Reserve Bank of New York
on the date of such payment, or, if such rate is not then available, on the
basis of the most recently available Exchange Rate.  Notwithstanding the
foregoing provisions of this Section 501, any payment made under such
circumstances in Dollars where the required payment is in a currency other than
Dollars will not constitute an Event of Default under this Indenture.

                                      -31-
<PAGE>
 
          Promptly after the occurrence of a Conversion Event with respect to
the Securities of any series, the Company shall give written notice thereof to
the Trustee; and the Trustee, promptly after receipt of such notice, shall give
notice thereof in the manner provided in Section 107 to the Holders of such
series.  Promptly after the making of any payment in Dollars as a result of a
Conversion Event with respect to the Securities of any series, the Company shall
give notice in the manner provided in Section 107 to the Holders of such series,
setting forth the applicable Exchange Rate and describing the calculation of
such payments.

SECTION 502.   Acceleration of Maturity; Rescission and Annulment.

          If an Event of Default with respect to any Securities of any series at
the time Outstanding occurs and is continuing, then in every such case the
Trustee or the Holders of not less than 25% in principal amount of the
Outstanding Securities of (i) the series affected by such default (in the case
of an Event of Default described in clause (1), (2), (3) or (7) of Section 501)
or (ii) all series of Securities (in the case of an Event of Default described
in clause (4) of Section 501) may declare the principal amount (or, if any such
Securities are Original Issue Discount Securities, such portion of the principal
amount as may be specified in the terms of that series) of all of the Securities
of the series affected by such default or all series, as the case may be, 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 amount shall
become immediately due and payable. If an Event of Default described in clause
(5) or (6) of Section 501 shall occur, the principal amount of the Outstanding
Securities of all series ipso facto shall become and be immediately due and
payable without any declaration or other act on the part of the Trustee or any
Holder.

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

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

               (A)  all overdue interest on, and any Additional Amounts with
          respect to, all Securities of that series (or of all series, as the
          case may be),

               (B)  the principal of or premium (if any) on any Securities of
          that series (or of all series, as the case may be) which have become
          due otherwise than by such declaration of acceleration and interest
          thereon at the rate or rates prescribed therefor in such Securities
          (in the case of Original Issue Discount Securities, the Securities'
          Yield to Maturity),

                                      -32-
<PAGE>
 
               (C)  to the extent that payment of such interest is lawful,
          interest upon overdue interest and any Additional Amounts at the rate
          or rates prescribed therefor in such Securities (in the case of
          Original Issue Discount Securities, the Securities' Yield to
          Maturity), 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 all other amounts due the Trustee
          under Section 607;

          and

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

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

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

          The Company covenants that if

          (1)  default is made in the payment of any installment of interest on,
     or any Additional Amounts with respect to, any Security of any series when
     such interest or Additional Amounts shall have become due and payable and
     such default continues for a period of 60 days, or

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

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

          If the Company fails to pay such amounts forthwith upon such demand,
the Trustee, in its own name and as trustee of an express trust, may institute a
judicial proceeding for the

                                      -33-
<PAGE>
 
collection of the sums so due and unpaid, may prosecute such proceeding to
judgment or final decree and may enforce the same against the Company or any
other obligor upon such Securities and collect the moneys adjudged or decreed to
be payable in the manner provided by law out of the property of the Company or
any other obligor upon such Securities, wherever situated.

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

SECTION 504.   Trustee May File Proofs of Claim.

          In case of the pendency of any receivership, insolvency, liquidation,
bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to the Company or any other obligor upon the
Securities or the property of the Company or of such other obligor or their
creditors, the Trustee (irrespective of whether the principal (or lesser amount
in the case of Original Issue Discount Securities) 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 of, premium (if any), interest on or any
Additional Amounts with respect to such Securities) shall be entitled and
empowered, by intervention in such proceeding or otherwise,

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

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

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

                                      -34-
<PAGE>
 
          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 proceedings; provided, however,
that the Trustee may, on behalf of the Holders, vote for the election of a
trustee in bankruptcy or similar official.

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

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

SECTION 506.   Application of Money Collected.

          Any money collected by the Trustee pursuant to this Article Five shall
be applied in the following order, at the date or dates fixed by the Trustee
and, in case of the distribution of such money on account of principal of,
premium (if any) or interest on or any Additional Amounts with respect to any
Securities, upon presentation of the Securities, and the notation thereon of the
payment if only partially paid and upon surrender thereof if fully paid:

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

          SECOND: To the payment of the amounts then due and unpaid for
     principal of, premium (if any) and interest on and any Additional Amounts
     with respect to such 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 of, premium (if any), interest on and Additional
     Amounts, respectively; and

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

          To the fullest extent allowed under applicable law, if for the purpose
of obtaining judgment against the Company in any court it is necessary to
convert the sum due in respect of the principal of, premium (if any) or interest
on or any Additional Amounts with respect to the Securities of any series (the
"Required Currency") into a currency in which a judgment will be rendered (the
"Judgment Currency"), the rate of exchange used shall be the rate at which in
accordance with normal banking procedures the Trustee could purchase in The City
of New York the Required Currency with the Judgment Currency on the New York
Business Day next preceding that on which

                                      -35-
<PAGE>
 
final judgment is given. Neither the Company nor the Trustee shall be liable for
any shortfall nor shall it benefit from any windfall in payments to Holders of
Securities under this Section 506 caused by a change in exchange rates between
the time the amount of a judgment against it is calculated as above and the time
the Trustee converts the Judgment Currency into the Required Currency to make
payments under this Section 506 to Holders of Securities, but payment of such
judgment shall discharge all amounts owed by the Company on the claim or claims
underlying such judgment.

SECTION 507.   Limitation on Suits.

          Subject to Section 508, no Holder of any Security of any series shall
have any right to institute any proceeding, judicial or otherwise, with respect
to this Indenture, or for the appointment of a receiver or trustee, or for any
other remedy hereunder, unless

          (1)  an Event of Default with respect to Securities of such series
     shall have occurred and be continuing and such Holder has previously given
     written notice to the Trustee of such continuing Event of Default;

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

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

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

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

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

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

          Notwithstanding any other provision in this Indenture, the Holder of
any Security shall have the right, which is absolute and unconditional, to
receive payment of the principal of, premium (if any) and (subject to Section
307) interest on or any Additional Amounts with respect to such Security on the
Stated Maturity or Maturities expressed in such Security (or, in the case of

                                      -36-
<PAGE>
 
     
redemption, on the Redemption Date) and to institute suit for the enforcement of
any such payment on or after such dates, and such rights shall not be impaired
or affected without the consent of such Holder.      

SECTION 509.   Restoration of Rights and Remedies.

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

SECTION 510.   Rights and Remedies Cumulative.

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

SECTION 511.   Delay or Omission Not Waiver.

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

SECTION 512.   Control by Holders.

          With respect to Securities of any series, the Holders of a majority in
principal amount of the Outstanding Securities of such 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, relating to or arising under an Event of Default described in
clause (1), (2), (3) or (7) of Section 501, and with respect to all Securities
the Holders of a majority in principal amount of all Outstanding Securities
shall have the right to direct the time, method and place of conducting any
remedy available to the Trustee, or exercising any trust or power conferred

                                      -37-
<PAGE>
 
on the Trustee, not relating to or arising under such an Event of Default,
provided that in each such case

          (1)  the Trustee shall have the right to decline to follow any such
     direction if the Trustee, being advised by counsel, determines that the
     action so directed may not lawfully be taken or would conflict with this
     Indenture or if the Trustee in good faith shall, by a Responsible Officer,
     determine that the proceedings so directed would involve it in personal
     liability or be unjustly prejudicial to the Holders not taking part in such
     direction, and

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

SECTION 513.   Waiver of Past Defaults.

          Subject to Sections 508 and 902, the Holders of 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, and the Holders of a
majority in principal amount of all Outstanding Securities may on behalf of the
Holders of all Securities waive any other past default hereunder and its
consequences, except in each case a default

          (1)  in the payment of the principal of, premium (if any) or interest
     on or any Additional Amounts with respect to any Security, or

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

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

SECTION 514.   Undertaking for Costs.

          All parties to this Indenture agree, and each Holder of any Security
by his acceptance thereof shall be deemed to have agreed, that any court may in
its discretion require, in any suit for the enforcement of any right or remedy
under this Indenture, or in any suit against the Trustee for any action taken or
omitted by it as Trustee, the filing by any party litigant in such suit of 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.  The
provisions of this Section 514 shall not apply to any suit instituted by the
Company, by the Trustee, 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 by any Holder for the enforcement of the payment of the

                                      -38-
<PAGE>
 
principal of, premium (if any) or interest on or any Additional Amounts with
respect to any Security on or after the Stated Maturity or Maturities expressed
in such Security (or, in the case of redemption, on or after the Redemption
Date).

SECTION 515.   Waiver of Stay or Extension Laws.

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

                                  ARTICLE SIX

                                  THE TRUSTEE

SECTION 601.   Certain Duties and Responsibilities.

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

               (1) the Trustee undertakes to perform 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
          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 that by any provision hereof are specifically required to be
          furnished to the Trustee, the Trustee shall be under a duty to examine
          the same to determine whether or not they conform to the requirements
          of this Indenture.

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

                                      -39-
<PAGE>
 
               (1)  this clause (1) shall not be construed to limit the effect
          of subsection (a) of this Section 601;

               (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
          it takes or omits to take in good faith in accordance with the
          direction of the Holders of a majority in principal amount of the
          Outstanding Securities of any series or of all series, determined as
          provided in Section 512, relating to the time, method and place of
          conducting any proceeding for any remedy available to the Trustee, or
          exercising any trust or power conferred upon the Trustee, under this
          Indenture with respect to the Securities of such series; and

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

          (d)  Whether or not therein expressly so provided, every provision of
     this Indenture relating to the conduct or affecting the liability of or
     affording protection to the Trustee shall be subject to the provisions of
     this Section 601.

SECTION 602.   Notice of Defaults.
    
          Within 90 days after the occurrence of any Default or Event of Default
with respect to the Securities of any series, the Trustee shall give notice of
such Default or Event of Default known to the Trustee to all Holders of
Securities of such series in the manner provided in Section 107, unless such
default shall have been cured or waived; provided, however, that, except in the
case of a Default or Event of Default in the payment of the principal of,
premium (if any) or interest on or any Additional Amounts with respect to any
Security of such series or in the payment of any sinking fund installment with
respect to 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 or Event of Default of the character specified
in Section 501 (4) with respect to Securities of such series, no such notice to
Holders shall be given until at least 30 days after the occurrence thereof.
     
                                      -40-
<PAGE>
 
SECTION 603.   Certain Rights of Trustee.

          Subject to the provisions of Section 601:

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

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

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

          (d)  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;

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

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

          (g)  the Trustee may execute any of the trusts or powers hereunder or
     perform any duties hereunder either directly or by or through agents or
     attorneys and, except for any Affiliates of the Trustee, 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;

                                      -41-
<PAGE>
 
          (h)  the Trustee shall not be charged with knowledge of any Default or
     Event of Default with respect to the Securities of any series for which it
     is acting as Trustee unless either (1) a Responsible Officer shall have
     actual knowledge of such Default or Event of Default or (2) written notice
     of such Default or Event of Default shall have been given to the Trustee by
     the Company or any other obligor on such Securities or by any Holder of
     such Securities; and

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

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

          The recitals contained herein and in the Securities, except the
Trustee's certificates of authentication, shall be taken as the statements of
the Company, and the Trustee 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 shall not be accountable for the
use or application by the Company of Securities or the proceeds thereof.

SECTION 605.   May Hold Securities.

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

SECTION 606.   Money Held in Trust.

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

SECTION 607.   Compensation and Reimbursement.

          The Company agrees

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

          (2)  except as otherwise expressly provided herein, to reimburse the
     Trustee upon its request for all reasonable expenses, disbursements and
     advances incurred or made by the 

                                      -42-
<PAGE>
 
     Trustee in accordance with any provision of this Indenture (including the
     reasonable compensation and the reasonable 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 and each of its directors, officers,
     employees, agents and/or representatives for, and to hold each of them
     harmless against, any loss, liability or expense incurred without
     negligence or bad faith on each of their 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 themselves against
     any claim or liability in connection with the exercise or performance of
     any of the Trustees' powers or duties hereunder.

          As security for the performance of the obligations of the Company
under this Section 607, the Trustee shall have a lien prior to the Securities on
all property and funds held or collected by the Trustee as such, except funds
held in trust for the payment of principal of, premium (if any) or interest on
or any Additional Amounts with respect to particular Securities.

          Any expenses and compensation for any services rendered by the Trustee
after the occurrence of an Event of Default specified in clause (5) or (6) of
Section 501 shall constitute expenses and compensation for services of
administration under all applicable federal or state bankruptcy, insolvency,
reorganization or other similar laws.

          The provisions of this Section 607 and any lien arising hereunder
shall survive the resignation or removal of the Trustee or the discharge of the
Company's obligations under this Indenture and the termination of this
Indenture.

SECTION 608.   Disqualification; Conflicting Interests.

     (a)  If the Trustee has or shall acquire any conflicting interest, as
defined in this Section 608, 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 Six.

     (b)  In the event that the Trustee shall fail to comply with the provisions
of subsection (a) of this Section 608 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 608, the term "conflicting interest"
shall have the meaning specified in Section 310(b) of the Trust Indenture Act
and the Trustee shall comply with Section 310(b) of the Trust Indenture Act;
provided, that there shall be excluded from the operation of Section 310(b)(1)
of the Trust Indenture Act with respect to the Securities of any series any
indenture or indentures under which other securities, or certificates of
interest or participation in

                                      -43-
<PAGE>
 
other securities, of the Company are outstanding, if the requirements for such
exclusion set forth in Section 310(b)(1) of the Trust Indenture Act are met. For
purposes of the preceding sentence, the optional provision permitted by the
second sentence of Section 310(b)(9) of the Trust Indenture Act shall be
applicable.

SECTION 609.   Corporate Trustee Required; Eligibility.

          There shall at all times be a Trustee hereunder which shall be a
corporation organized and doing business under the laws of the United States of
America, any State thereof or the District of Columbia, authorized under such
laws to exercise corporate trust powers, having a combined capital and surplus
of at least $50 million and subject to supervision or examination by federal or
state (or the District of Columbia) authority.  If such corporation publishes
reports of condition at least annually, pursuant to law or to the requirements
of said supervising or examining authority, then for the purposes of this
Section 609, the combined capital and surplus of such corporation shall be
deemed to be its combined capital and surplus as set forth in its most recent
report of condition so published.  If at any time the Trustee shall cease to be
eligible in accordance with the provisions of this Section 609, it shall resign
immediately in the manner and with the effect hereinafter specified in this
Article Six.

          The Indenture shall always have a Trustee who satisfies the
requirements of Sections 310(a)(1), 310(a)(2) and 310(a)(5) of the Trust
Indenture Act.

SECTION 610.   Resignation and Removal; Appointment of Successor.

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

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

     (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.

                                      -44-
<PAGE>
 
     (d)  If at any time:

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

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

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

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

     (e)  If the Trustee shall resign, be removed or become incapable of acting,
or if a vacancy shall occur in the office of Trustee for any cause, with respect
to the Securities of one or more series, the Company, by a Board Resolution,
shall promptly appoint a successor Trustee or Trustees with respect to the
Securities of that or those series (it being understood that any such successor
Trustee may be appointed with 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 such successor Trustee or Trustees
shall comply with the applicable requirements of Section 611.  If no successor
Trustee with respect to the Securities of any series shall have been so
appointed by the Company and accepted appointment in the manner required by
Section 611, any Holder who has been a bona fide Holder of a Security of such
series for at least six months may, on behalf of himself and all others
similarly situated, petition any court of competent jurisdiction for the
appointment of a successor Trustee with respect to the Securities of such
series.

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

                                      -45-
<PAGE>
 
SECTION 611.   Acceptance of Appointment by Successor.

     (a)  In case of the appointment hereunder of a successor Trustee with
respect to all Securities, every such successor Trustee so appointed shall
execute, acknowledge and deliver to the Company and to the retiring Trustee an
instrument accepting such appointment, and thereupon the resignation or removal
of the retiring Trustee shall become effective and 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 and that each such Trustee shall be trustee of a trust or trusts
hereunder separate and apart from any trust or trusts hereunder administered by
any other such Trustee; and upon the execution and delivery of such supplemental
indenture, the resignation or removal of the retiring Trustee shall become
effective to the extent provided therein and each such successor Trustee,
without any further act, deed or conveyance, shall become vested with all the
rights, powers, trusts and duties of the retiring Trustee with respect to the
Securities of that or those series to which the appointment of such successor
Trustee relates; but, on request of the Company or any successor Trustee, such
retiring Trustee shall duly assign, transfer and deliver to such successor
Trustee all property and money held by such retiring Trustee hereunder with
respect to the Securities of that or those series to which the appointment of
such successor Trustee relates.

     (c)  Upon request of any such successor Trustee, the Company shall execute
any and all instruments for more fully and certainly vesting in and confirming
to such successor Trustee all such rights, powers and trusts referred to in
paragraph (a) or (b) of this Section 611, as the case may be.

                                      -46-
<PAGE>
 
     (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 Six.

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

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

SECTION 613.   Preferential Collection of Claims Against Company.

          The Trustee shall comply with Section 311(a) of the Trust Indenture
Act, excluding any creditor relationship described in Section 311(b) of the
Trust Indenture Act.  A Trustee who has resigned or been removed shall be
subject to Section 311(a) of the Trust Indenture Act to the extent indicated
therein.

SECTION 614.   Appointment of Authenticating Agent.

          The Trustee may appoint an Authenticating Agent or Agents that shall
be authorized to act on behalf of the Trustee to authenticate Securities issued
upon original issue and upon exchange, registration of transfer or partial
redemption or pursuant to Section 306, and Securities so authenticated shall be
entitled to the benefits of this Indenture and shall be valid and obligatory for
all purposes as if authenticated by the Trustee hereunder.  Wherever reference
is made in this Indenture to the authentication and delivery of Securities by
the Trustee or the Trustee's certificate of authentication, such reference shall
be deemed to include authentication and delivery on behalf of the Trustee by an
Authenticating Agent and a certificate of authentication executed on behalf of
the Trustee by an Authenticating Agent.  Each Authenticating Agent shall be
acceptable to the Company and shall at all times be a corporation organized and
doing business under the laws of the United States of America, any state thereof
or the District of Columbia, having a combined capital and surplus of not less
than $50 million or equivalent amount expressed in a foreign currency and
subject to supervision or examination by federal or state (or the District of
Columbia) authority or authority of such country.  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 614, 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 

                                      -47-
<PAGE>
 
accordance with the provisions of this Section 614, such Authenticating Agent
shall resign immediately in the manner and with the effect specified in this
Section 614.

          Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating Agent
shall be a party, or any corporation succeeding to the corporate agency or
corporate trust business of an Authenticating Agent, shall continue to be an
Authenticating Agent, provided such corporation shall be otherwise eligible
under this Section 614, without the execution or filing of any paper or any
further act on the part of the Trustee or the Authenticating Agent.

          An Authenticating Agent may resign at any time by giving written
notice thereof to the Trustee and to the Company.  The Trustee may at any time
terminate the agency of an Authenticating Agent by giving written notice thereof
to such Authenticating Agent and to the Company.  Upon receiving such a notice
of resignation or upon such a termination, or in case at any time such
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section 614, 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 as their names and addresses appear in the Security Register.  Any
successor Authenticating Agent upon acceptance of its appointment hereunder
shall become vested with all the rights, powers and duties of its predecessor
hereunder, with like effect as if originally named as an Authenticating Agent.
No successor Authenticating Agent shall be appointed unless eligible under the
provisions of this Section 614.

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

          If an appointment is made pursuant to this Section 614, the Securities
may have endorsed thereon, in addition to the Trustee's certificate of
authentication, an alternate certificate of authentication in the following
form:

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

                                 ----------------------------------------------
                                     As Trustee

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



                                 By
                                     ------------------------------------------
                                     Authorized Signatory

                                      -48-
<PAGE>
 
          Notwithstanding any provision of this Section 614 to the contrary, if
at any time any Authenticating Agent appointed hereunder with respect to any
series of Securities shall not also be acting as the Security Registrar
hereunder with respect to any series of Securities, then, in addition to all
other duties of an Authenticating Agent hereunder, such Authenticating Agent
shall also be obligated:  (i) to furnish to the Security Registrar promptly all
information necessary to enable the Security Registrar to maintain at all times
an accurate and current Security Register; and (ii) prior to authenticating any
Security denominated in a foreign currency, to ascertain from the Company the
units of such foreign currency that are required to be determined by the Company
pursuant to Section 302.

                                 ARTICLE SEVEN

               HOLDER'S LISTS AND REPORTS BY TRUSTEE AND COMPANY

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

          With respect to each series of Securities, the Company will furnish or
cause to be furnished to the Trustee:

     (a)  semi-annually, not more than 15 days after each Regular Record Date
relating to that series (or, if there is no Regular Record Date relating to that
series, on January 1 and July 1), a list, in such form as the Trustee may
reasonably require, of the names and addresses of the Holders of that series as
of such dates, and

     (b)  at such other times as the Trustee may request in writing, within 30
days after the receipt by the Company of any such request, a list of similar
form and content, such list to be dated as of a date not more than 15 days prior
to the time such list is furnished; provided, that so long as the Trustee is the
Security Registrar, the Company shall not be required to furnish or cause to be
furnished such a list to the Trustee.  The Company shall otherwise comply with
Section 310(a) of the Trust Indenture Act.

SECTION 702.   Preservation of Information; Communications to Holders.

     (a)  The Trustee shall preserve, in as current a form as is reasonably
practicable, the names and addresses of Holders of each series contained in the
most recent list furnished to the Trustee as provided in Section 701 and the
names and addresses of Holders of each series received by the Trustee in its
capacity as Security Registrar.  The Trustee may destroy any list furnished to
it as provided in Section 701 upon receipt of a new list so furnished.  The
Trustee shall otherwise comply with Section 310(a) of the Trust Indenture Act.

     (b)  Holders of Securities may communicate pursuant to Section 312(b) of
the Trust Indenture Act with other Holders with respect to their rights under
this Indenture or under the Securities.  The Company, the Trustee, the Security
Registrar and any other Person shall have the protection of Section 312(c) of
the Trust Indenture Act.

                                      -49-
<PAGE>
 
SECTION 703.   Reports by Trustee.

     (a)  Within 60 days after May 15 of each year after the execution of this
Indenture, the Trustee shall transmit by mail to Holders a brief report dated as
of such May 15 that complies with Section 313(a) of the Trust Indenture Act.
The Trustee shall comply with Section 313(b) of the Trust Indenture Act.  The
Trustee shall transmit by mail all reports as required by Sections 313(c) and
313(d) of the Trust Indenture Act.

     (b)  A copy of each report pursuant to subsection (a) of this Section 703
shall, at the time of its transmission to Holders, be filed by the Trustee with
each stock exchange upon which any Securities are listed, with the Commission
and with the Company.  The Company will notify the Trustee when any Securities
are listed on any stock exchange.

SECTION 704.   Reports by Company.

          The Company shall file with the Trustee, within 15 days after the
Company is required to file the same with the Commission, copies of the annual
reports and of the information, documents and other reports (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, and shall otherwise comply with Section 314(a)
of the Trust Indenture Act.

                                 ARTICLE EIGHT

             CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

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

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

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

                                      -50-
<PAGE>
 
          (2)  immediately after giving effect to such transaction, and treating
     any indebtedness that becomes Indebtedness of the Company or a Subsidiary
     of the Company as a result of such transaction as having been incurred by
     the Company or such Subsidiary at the time of such transaction, no Default
     or Event of Default, shall have happened and be continuing; and

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

SECTION 802.   Successor Person Substituted.

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

                                 ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

SECTION 901.   Supplemental Indentures Without Consent of Holders.

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

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

          (2)  to add to the covenants of the Company for the benefit of the
     Holders of all or any series of Securities (and if such covenants are to be
     for the benefit of less than all series of Securities, stating that such
     covenants are expressly being included solely for the benefit of such
     series) to convey, transfer, assign, mortgage or pledge any property to or
     with 

                                      -51-
<PAGE>
 
     the Trustee or otherwise secure any series of the Securities or to
     surrender any right or power herein conferred upon the Company; or

          (3) to add any additional Events of Default with respect to all or any
     series of the Securities (and, if such Event of Default is applicable to
     less than all series of Securities, specifying the series to which such
     Event of Default is applicable); or

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

          (5)  to secure the Securities; or

          (6)  to supplement any of the provisions of this Indenture to such
     extent as shall be necessary to permit or facilitate the defeasance and
     discharge of any series of Securities pursuant to Section 401; provided,
     however, that any such action shall not adversely affect the interest of
     the Holders of Securities of such series or any other series of Securities
     in any material respect; or

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

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

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

SECTION 902.   Supplemental Indentures With Consent of Holders.

          With the consent of the Holders of a majority in principal amount of
the Outstanding Securities of all series affected by such supplemental indenture
(acting as one class), 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

                                      -52-
<PAGE>
 
under this Indenture; provided, however, that no such supplemental indenture
shall, without the consent of the Holder of each Outstanding Security affected
thereby,

          (1)  change the Stated Maturity of the principal of, or any
     installment of principal of or interest on, any Security, or reduce the
     principal amount thereof or the rate of interest thereon, any Additional
     Amounts with respect thereto or any premium payable upon the redemption
     thereof, or change any obligation of the Company to pay Additional Amounts
     (except as contemplated by Section 801(1) and permitted by Section 901(1)),
     or reduce the amount of the principal of an Original Issue Discount
     Security that would be due and payable upon a declaration of acceleration
     of the Maturity thereof pursuant to Section 502, or change any Place of
     Payment where, or the coin or currency or currencies (including composite
     currencies) in which, any Security or any premium or any interest thereon
     or Additional Amounts with respect thereto is payable, or impair the right
     to institute suit for the enforcement of any such payment on or after the
     Stated Maturity thereof (or, in the case of redemption, on or after the
     Redemption Date),

          (2)  reduce the percentage in principal amount of Outstanding
     Securities, 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 902, Section 513 or
     Section 1006, except to increase any such percentage or to provide with
     respect to any particular series the right to condition the effectiveness
     of any supplemental indenture as to that series on the consent of the
     Holders of a specified percentage of the aggregate principal amount of
     Outstanding Securities of such series (which provision may be made pursuant
     to Section 301 without the consent of any Holder) or to provide that
     certain other provisions of this Indenture cannot be modified or waived
     without the consent of the Holder of each Outstanding Security affected
     thereby, provided, however, that this clause (3) shall not be deemed to
     require the consent of any Holder with respect to changes in the references
     to "the Trustee" and concomitant changes in this Section 902 and
     Section 1006, or the deletion of this proviso, in accordance with the
     requirements of Section 611(b) and Section 901(7).

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

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

                                      -53-
<PAGE>
 
SECTION 903.   Execution of Supplemental Indentures.

          In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article Nine or the modifications
thereby of the trusts created by this Indenture, the Trustee shall be entitled
to receive, and (subject to Section 601) shall be fully protected in relying
upon 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, immunities or liabilities under this
Indenture or otherwise.

SECTION 904.   Effect of Supplemental Indentures.

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

SECTION 905.   Conformity With Trust Indenture Act.

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

SECTION 906.   Reference in Securities to Supplemental Indentures.

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

                                  ARTICLE TEN

                                   COVENANTS

SECTION 1001.   Payment of Principal, Premium and Interest.

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

                                      -54-
<PAGE>
 
SECTION 1002.   Maintenance of Office or Agency.

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

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

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

          If the Company shall at any time act as its own Paying Agent with
respect to any series of Securities, it will, on or before each due date of the
principal of, premium (if any) or interest on or any Additional Amounts with
respect to 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, premium (if any) or interest or any Additional Amounts so becoming
due until such sums shall be paid to such Persons or otherwise disposed of as
herein provided and will promptly notify the Trustee of its action or failure so
to act.

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

          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 1003, that such Paying Agent will:

          (1)  hold all sums held by it for the payment of the principal of,
     premium (if any) or interest on or any Additional Amounts with respect to
     Securities of that series in trust for 

                                      -55-
<PAGE>
 
     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 of, premium (if any) or interest on or any Additional
     Amounts with respect to 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 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, premium (if any)
or interest on or any Additional Amounts with respect to any Security of any
series and remaining unclaimed for three years after such principal of, premium
(if any) or interest on or any Additional Amounts with respect to any Securities
have become due and payable shall, unless otherwise required by mandatory
provisions of applicable escheat, or abandoned or unclaimed property law, 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 an Authorized Newspaper in The Borough of Manhattan, The
City of New York and in such other Authorized Newspapers as the Trustee shall
deem appropriate, notice that such money remains unclaimed and that, after a
date specified herein, which shall not be less than 30 days from the date of
such publication, any unclaimed balance of such money then remaining will,
unless otherwise required by mandatory provisions of applicable escheat, or
abandoned or unclaimed property law, be repaid to the Company.

SECTION 1004.   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.

                                      -56-
<PAGE>
 
SECTION 1005.   Statement by Officers as to Default.

          The Company will deliver to the Trustee, within 120 days after the end
of each fiscal year of the Company ending after the date hereof so long as any
Security is outstanding hereunder, an Officers' Certificate, complying with
Section 314(a)(4) of the Trust Indenture Act and stating that a review of the
activities of the Company during such year and of performance under this
Indenture has been made under the supervision of the signers thereof and whether
or not to the best of their knowledge, based upon such review, the Company is in
default in the performance, observance or fulfillment of any of its covenants
and other obligations under this Indenture, and if the Company shall be in
default, specifying each such default known to them and the nature and status
thereof. One of the officers signing the Officers' Certificate delivered
pursuant to this Section 1005 shall be the principal executive, financial or
accounting officer of the Company.

          For purposes of this Section 1005, such compliance shall be determined
without regard to any period of grace or requirement of notice provided under
this Indenture.

SECTION 1006.   Waiver of Certain Covenants.

          The Company may omit in any particular instance to comply with any
covenant or condition set forth in Sections 1001 through 1005, inclusive, or any
covenant added for the benefit of any series of Securities as contemplated by
Section 301 (unless otherwise specified pursuant to Section 301) if before or
after the time for such compliance the Holders of a majority in principal amount
of the Outstanding Securities of all series affected by such omission (acting as
one class) shall, by Act of such Holders, either waive such compliance in such
instance or generally waive compliance with such covenant or condition, but no
such waiver shall extend to or affect such covenant or condition except to the
extent so expressly waived, and, until such waiver shall become effective, the
obligations of the Company and the duties of the Trustee in respect of any such
covenant or condition shall remain in full force and effect.

SECTION 1007.   Additional Amounts.

          If the Securities of a series expressly provide for the payment of
Additional Amounts, the Company will pay to the Holder of any Security of such
series Additional Amounts as expressly provided therein.  Whenever in this
Indenture there is mentioned, in any context, the payment of the principal of,
or premium (if any) or interest on any Security of any series or the net
proceeds received from the sale or exchange of any Security of any series, such
mention shall be deemed to include mention of the payment of Additional Amounts
provided for in this Section 1007 to the extent that, in such context,
Additional Amounts are, were or would be payable in respect thereof pursuant to
the provisions of this Section 1007 and express mention of the payment of
Additional Amounts (if applicable) in any provisions hereof shall not be
construed as excluding Additional Amounts in those provisions hereof where such
express mention is not made.

                                      -57-
<PAGE>
 
          If the Securities of a series provide for the payment of Additional
Amounts, at least 10 days prior to the first Interest Payment Date with respect
to that series of Securities (or if the Securities of that series will not bear
interest prior to Maturity, the first day on which a payment of principal and
any premium is made), and at least 10 days prior to each date of payment of
principal and any premium or interest if there has been any change with respect
to the matters set forth in the below-mentioned Officers' Certificate, the
Company shall furnish the Trustee and the Company's principal Paying Agent or
Paying Agents, if other than the Trustee, with an Officers' Certificate
instructing the Trustee and such Paying Agent or Paying Agents whether such
payment of principal of and any premium or interest on the Securities of that
series shall be made to Holders of Securities of that series who are United
States Aliens without withholding for or on account of any tax, assessment or
other governmental charge described in the Securities of that series.  If any
such withholding shall be required, then such Officers' Certificate shall
specify by country the amount, if any, required to be withheld on such payments
to such Holders of Securities and the Company will pay to such Paying Agent the
Additional Amounts required by this Section 1007.  The Company covenants to
indemnify the Trustee and any Paying Agent for, and to hold them harmless
against any loss, liability or expense reasonably incurred without negligence or
bad faith on their part arising out of or in connection with actions taken or
omitted by any of them in reliance on any Officers' Certificate furnished
pursuant to this Section 1007.

                                ARTICLE ELEVEN

                           REDEMPTION OF SECURITIES

SECTION 1101.   Applicability of Article.

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

SECTION 1102.   Election to Redeem; Notice to Trustee.
    
          Unless otherwise provided with respect to the Securities of a series
as contemplated by Section 301, the election of the Company to redeem any
Securities shall be evidenced by a Board Resolution. In case of any redemption
at the election of the Company of less than all the Securities of any series,
the Company shall, within a reasonable period prior to the Redemption Date fixed
by the Company, 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.     

                                      -58-
<PAGE>
 
SECTION 1103.   Selection by Trustee of Securities to be Redeemed.

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

          The Trustee shall promptly notify the Company and the Security
Registrar 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 1104.   Notice of Redemption.

          Notice of redemption shall be given in the manner provided in Section
107 to each Holder of Securities to be redeemed not less than 30 nor more than
60 days prior to the Redemption Date.

          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,

                                      -59-
<PAGE>
 
          (6)  that the redemption is for a sinking fund, if such is the case,
     and

          (7)  the "CUSIP" number, if applicable.

          A notice of redemption as contemplated by Section 107 need not
identify particular Securities to be redeemed.  Notice of redemption of
Securities to be redeemed at the election of the Company shall be given by the
Company or, at the Company's request, by the Trustee in the name and at the
expense of the Company.

SECTION 1105.   Deposit of Redemption Price.

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

SECTION 1106.   Securities Payable on Redemption Date.

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

          If any Security called for redemption shall not be so paid upon
surrender thereof for redemption, the principal of and premium (if any) shall,
until paid, bear interest from the Redemption Date at the rate prescribed
therefor in the Security or, in the case of Original Issue Discount Securities,
the Securities' Yield to Maturity.

SECTION 1107.   Securities Redeemed in Part.

          Any Security which is to be redeemed only in part shall be surrendered
at a Place of Payment therefor (with, if the Company or the Trustee so requires,
due endorsement by, or a written instrument of transfer in form satisfactory to
the Company and the Trustee duly executed by, the Holder thereof or his attorney
duly authorized in writing), and the Company shall execute, and the Trustee
shall authenticate and deliver to the Holder of such Security without service
charge, a new 

                                      -60-
<PAGE>
 
Security or Securities of the same series and Stated Maturity, 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.

          Unless otherwise specified as contemplated by Section 301, the Company
and any Affiliate of the Company may at any time purchase or otherwise acquire
Securities in the open market or by private agreement.  Such acquisition shall
not operate as or be deemed for any purpose to be a redemption of the
indebtedness represented by such Securities.  Any Securities purchased or
acquired by the Company may be delivered to the Trustee and, upon such delivery,
the indebtedness represented thereby shall be deemed to be satisfied.  Section
309 shall apply to all Securities so delivered.

                                ARTICLE TWELVE

                                 SINKING FUNDS

SECTION 1201.   Applicability of Article.

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

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

SECTION 1202.   Satisfaction of Sinking Fund Payments with Securities.

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

                                      -61-
<PAGE>
 
SECTION 1203.   Redemption of Securities for Sinking Fund.

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

                               ARTICLE THIRTEEN

                       MEETINGS OF HOLDERS OF SECURITIES

SECTION 1301.  Purposes for Which Meetings May Be Called.

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

SECTION 1302.  Call, Notice and Place of Meetings.

          (a)  The Trustee may at any time call a meeting of Holders of
Securities of any series for any purpose specified in Section 1301, to be held
at such time and at such place in Houston, Texas, in The Borough of Manhattan,
The City of New York, or in any other location as the Trustee shall determine.
Notice of every meeting of Holders of Securities of any series, setting forth
the time and the place of such meeting and in general terms the action proposed
to be taken at such meeting, shall be given, in the manner provided in Section
107, not less than 20 nor more than 180 days prior to the date fixed for the
meeting.

          (b)  In case at any time the Company, pursuant to a Board Resolution,
or the Holders of at least 10% in aggregate principal amount of the Outstanding
Securities of any series, shall have requested the Trustee for any such series
to call a meeting of the Holders of Securities of such series for any purpose
specified in Section 1301, by written request setting forth in reasonable detail
the action proposed to be taken at the meeting, and the Trustee shall not have
made the first publication of the notice of such meeting within 30 days after
receipt of such request or shall not thereafter proceed to cause the meeting to
be held as provided herein, then the Company or the 

                                      -62-
<PAGE>
 
Holders of Securities of such series in the amount above specified, as the case
may be, may determine the time and the place in Houston, Texas, in The Borough
of Manhattan, The City of New York, or in London, for such meeting and may call
such meeting for such purposes by giving notice thereof as provided in
subsection (a) of this Section 1302.

SECTION 1303.  Persons Entitled to Vote at Meetings.

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

SECTION 1304.  Quorum; Action.

          The Persons entitled to vote a majority in aggregate principal amount
of the Outstanding Securities of a series shall constitute a quorum for a
meeting of Holders of Securities of such series.  In the absence of a quorum
within 30 minutes of the time appointed for any such meeting, the meeting shall,
if convened at the request of Holders of Securities of such series, be
dissolved.  In any other case, the meeting may be adjourned for a period of not
less than 10 days as determined by the chairman of the meeting prior to the
adjournment of such meeting.  In the absence of a quorum at any such adjourned
meeting, such adjourned meeting may be further adjourned for a period of not
less than 10 days as determined by the chairman of the meeting prior to the
adjournment of such adjourned meeting.  Subject to Section 1305(d), notice of
the reconvening of any adjourned meeting shall be given as provided in Section
1302(a), except that such notice need be given only once not less than five days
prior to the date on which the meeting is scheduled to be reconvened.  Notice of
the reconvening of an adjourned meeting shall state expressly that Persons
entitled to vote a majority in principal amount of the Outstanding Securities of
such series shall constitute a quorum.

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

                                      -63-
<PAGE>
 
          Except as limited by the proviso to Section 902, any resolution passed
or decision taken at any meeting of Holders of Securities of any series duly
held in accordance with this Section 1304 shall be binding on all the Holders of
Securities of such series, whether or not present or represented at the meeting.

SECTION 1305.  Determination of Voting Rights; Conduct and Adjournment of
Meetings.

          (a)  The holding of Securities shall be proved in the manner specified
in Section 105 and the appointment of any proxy shall be proved in the manner
specified in Section 105.  Such regulations may provide that written instruments
appointing proxies, regular on their face, may be presumed valid and genuine
without the proof specified in Section 105 or other proof.

          (b)  The Trustee shall, by an instrument in writing, appoint a
temporary chairman of the meeting, unless the meeting shall have been called by
the Company or by Holders of Securities as provided in Section 1302(b), in which
case the Company or the Holders of Securities of the series calling the meeting,
as the case may be, shall appoint a temporary chairman.  A permanent chairman
and a permanent secretary of the meeting shall be elected by vote of the Persons
entitled to vote a majority in aggregate principal amount of the Outstanding
Securities of such series represented at the meeting.

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

          (d)  Any meeting of Holders of Securities of any series duly called
pursuant to Section 1302 at which a quorum is present may be adjourned from time
to time by Persons entitled to vote a majority in aggregate principal amount of
the Outstanding Securities of such series represented at the meeting; and the
meeting may be held as so adjourned without further notice.

SECTION 1306.  Counting Votes and Recording Action of Meetings.

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

                                      -64-
<PAGE>
 
inspectors of votes on any vote by ballot taken thereat and affidavits by one or
more persons having knowledge of the facts setting forth a copy of the notice of
the meeting and showing that such notice was given as provided in Section 1302
and, if applicable, Section 1304. Each copy shall be signed and verified by the
affidavits of the permanent chairman and secretary of the meeting and one such
copy shall be delivered to the Company, and another to the Trustee to be
preserved by the Trustee, the latter to have attached thereto the ballots voted
at the meeting. Any record so signed and verified shall be conclusive evidence
of the matters therein stated.

                                   *   *   *

          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.

                                      -65-
<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.

                              PENNZOIL-QUAKER STATE COMPANY



[CORPORATE SEAL]              By 
                                ----------------------------------------
                                 Name:  David P. Alderson, II
                                 Title: Group Vice President-
                                        Finance and Treasurer


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




[CORPORATE SEAL]              By
                                ----------------------------------------
                                 Name:
                                 Title:

                                      -66-

<PAGE>
 
                                                                     EXHIBIT 4.2




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




                         PENNZOIL-QUAKER STATE COMPANY



                                      AND

                   CHASE BANK OF TEXAS, NATIONAL ASSOCIATION
                                    TRUSTEE


                                _______________



                                   INDENTURE


                       DATED AS OF ______________, 199__



                               ________________



                         SUBORDINATED DEBT SECURITIES


================================================================================
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

          RECONCILIATION AND TIE BETWEEN TRUST INDENTURE ACT OF 1939
                AND INDENTURE, DATED AS OF ____________, 199__
<TABLE>
<CAPTION>
 
 
      Section of
    Trust Indenture                                             Section(s) of
      Act of 1939                                                 Indenture
  ---------------------                                       ------------------
<S>            <C>                                               <C>
 
  (S) 310      (a)(1)..........................................  609
               (a)(2)..........................................  609
               (a)(3)..........................................  Not Applicable
               (a)(4)..........................................  Not Applicable
               (b).............................................  608, 610
  (S) 311      (a).............................................  613
               (b).............................................  613
               (c).............................................  Not Applicable
  (S) 312      (a).............................................  701, 702(a)
               (b).............................................  702(b)
               (c).............................................  702(b)
  (S) 313      (a).............................................  703(a)
               (b).............................................  703(a)
               (c).............................................  703(a)
               (d).............................................  703(b)
  (S) 314      (a).............................................  704, 1005
               (b).............................................  Not Applicable
               (c)(1)..........................................  103
               (c)(2)..........................................  103
               (c)(3)..........................................  Not Applicable
               (d).............................................  Not Applicable
               (e).............................................  103
  (S) 315      (a).............................................  601(a)
               (b).............................................  602
               (c).............................................  601(b)
               (d).............................................  601(c)
               (d)(1)..........................................  601(a)(1)
               (d)(2)..........................................  601(c)(2)
               (d)(3)..........................................  601(c)(3)
               (e).............................................  514
  (S) 316      (a)(1)(A).......................................  502, 512
               (a)(1)(B).......................................  513
               (a)(2)..........................................  Not Applicable
               (a) last sentence...............................  101
               (b).............................................  508
  (S) 317      (a)(1)..........................................  503
               (a)(2)..........................................  504
               (b).............................................  1003
  (S) 318      (a).............................................  108
</TABLE>
_____________
Note:  This reconciliation and tie shall not, for any purpose, be deemed to be a
       part of the Indenture.
<PAGE>
 
                               TABLE OF CONTENTS
                               -----------------

<TABLE>
<CAPTION>
 
<S>  <C>            <C>                                                                            <C>
     PARTIES....................................................................................... 1

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

                                  ARTICLE ONE

                       DEFINITIONS AND OTHER PROVISIONS
                            OF GENERAL APPLICATION

     SECTION 101.   Definitions.................................................................... 1
          Act...................................................................................... 2
          Additional Amounts....................................................................... 2
          Affiliate................................................................................ 2
          Agent Members............................................................................ 2
          Authenticating Agent..................................................................... 2
          Authorized Newspaper..................................................................... 2
          Board of Directors....................................................................... 3
          Board Resolution......................................................................... 3
          Business Day............................................................................. 3
          Capital Stock............................................................................ 3
          Capitalized Lease Obligation............................................................. 3
          Commission............................................................................... 3
          Company.................................................................................. 3
          Company Request.......................................................................... 3
          Conversion Event......................................................................... 3
          Corporate Trust Office................................................................... 3
          Default.................................................................................. 4
          Defaulted Interest....................................................................... 4
          Depositary............................................................................... 4
          Designated Senior Indebtedness,.......................................................... 4
          Disqualified Capital Stock............................................................... 4
          Dollar................................................................................... 4
          Event of Default......................................................................... 4
          Exchange Rate............................................................................ 4
          Holder................................................................................... 4
          Indebtedness............................................................................. 5
          Indenture................................................................................ 5
</TABLE> 

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

                                      -i-
<PAGE>
 
<TABLE>
<CAPTION>
 
<S>  <C>            <C>                                                                            <C>
          Interest................................................................................. 5
          Interest Payment Date.................................................................... 5
          Interest Swap and Hedging Obligation..................................................... 5
          Judgment Currency........................................................................ 5
          Junior Security.......................................................................... 6
          Maturity................................................................................. 6
          Officers' Certificate.................................................................... 6
          Opinion of Counsel....................................................................... 6
          Original Issue Discount Security......................................................... 6
          Outstanding.............................................................................. 6
          Paying Agent............................................................................. 7
          Payment Default.......................................................................... 7
          Payment Notice........................................................................... 7
          Person................................................................................... 7
          Place of Payment......................................................................... 7
          Predecessor Security..................................................................... 7
          Qualified Capital Stock.................................................................. 8
          Redemption Date.......................................................................... 8
          Redemption Price......................................................................... 8
          Regular Record Date...................................................................... 8
          Required Currency........................................................................ 8
          Responsible Officer...................................................................... 8
          Securities............................................................................... 8
          Security Custodian....................................................................... 8
          Security Register........................................................................ 8
          Senior Indebtedness...................................................................... 8
          Special Record Date...................................................................... 9
          Stated Maturity.......................................................................... 9
          Subsidiary............................................................................... 9
          Trustee.................................................................................. 9
          Trust Indenture Act...................................................................... 9
          United States............................................................................ 9
          United States Alien...................................................................... 9
          U.S. Government Obligations.............................................................. 9
          Vice President...........................................................................10
          Wholly Owned Subsidiary..................................................................10
          Yield to Maturity........................................................................10
     SECTION 102.   Incorporation by Reference of Trust Indenture Act..............................10
     SECTION 103.   Compliance Certificates and Opinions...........................................11
     SECTION 104.   Form of Documents Delivered to Trustee.........................................11
     SECTION 105.   Acts of Holders; Record Dates..................................................12
     SECTION 106.   Notices, Etc., to Trustee and Company..........................................13
</TABLE> 

                                     -ii-
<PAGE>
 
<TABLE>
<CAPTION>
 
<S>  <C>            <C>                                                                            <C>
     SECTION 107.   Notice to Holders; Waiver......................................................14
     SECTION 108.   Conflict With Trust Indenture Act..............................................14
     SECTION 109.   Effect of Headings and Table of Contents.......................................14
     SECTION 110.   Successors and Assigns.........................................................14
     SECTION 111.   Separability Clause............................................................15
     SECTION 112.   Benefits of Indenture..........................................................15
     SECTION 113.   Governing Law..................................................................15
     SECTION 114.   Legal Holidays.................................................................15
     SECTION 115.   Corporate Obligation...........................................................15

                                  ARTICLE TWO

                                SECURITY FORMS

     SECTION 201.   Forms Generally................................................................16
     SECTION 202.   Form of Trustee's Certificate of Authentication................................16
     SECTION 203.   Securities in Global Form......................................................16

                                 ARTICLE THREE

                                THE SECURITIES

     SECTION 301.   Amount Unlimited; Issuable in Series...........................................20
     SECTION 302.   Denominations..................................................................23
     SECTION 303.   Execution, Authentication, Delivery and Dating.................................23
     SECTION 304.   Temporary Securities...........................................................24
     SECTION 305.   Registration, Registration of Transfer and Exchange............................25
     SECTION 306.   Mutilated, Destroyed, Lost and Stolen Securities...............................26
     SECTION 307.   Payment of Interest; Interest Rights Preserved.................................27
     SECTION 308.   Persons Deemed Owners..........................................................28
     SECTION 309.   Cancellation...................................................................28
     SECTION 310.   Computation of Interest........................................................29
     SECTION 311.   CUSIP Numbers..................................................................29

                                 ARTICLE FOUR

                          SATISFACTION AND DISCHARGE

     SECTION 401.   Satisfaction and Discharge of Indenture........................................29
     SECTION 402.   Application of Trust Money.....................................................31
     SECTION 403.   Discharge of Liability on Securities of Any Series.............................31
     SECTION 404.   Reinstatement..................................................................32
</TABLE> 

                                     -iii-
<PAGE>
 
<TABLE>
<CAPTION>
 
<S>  <C>            <C>                                                                            <C>
                                 ARTICLE FIVE

                                   REMEDIES

     SECTION 501.   Events of Default..............................................................33
     SECTION 502.   Acceleration of Maturity; Rescission and Annulment.............................35
     SECTION 503.   Collection of Indebtedness and Suits for Enforcement by Trustee................36
     SECTION 504.   Trustee May File Proofs of Claim...............................................37
     SECTION 505.   Trustee May Enforce Claims Without Possession of Securities or
                    Coupons........................................................................38
     SECTION 506.   Application of Money Collected.................................................38
     SECTION 507.   Limitation on Suits............................................................39
     SECTION 508.   Unconditional Right of Holders to Receive Principal, Premium and
                    Interest.......................................................................39
     SECTION 509.   Restoration of Rights and Remedies.............................................40
     SECTION 510.   Rights and Remedies Cumulative.................................................40
     SECTION 511.   Delay or Omission Not Waiver...................................................40
     SECTION 512.   Control by Holders.............................................................40
     SECTION 513.   Waiver of Past Defaults........................................................41
     SECTION 514.   Undertaking for Costs..........................................................41
     SECTION 515.   Waiver of Stay or Extension Laws...............................................42

                                  ARTICLE SIX

                                  THE TRUSTEE

     SECTION 601.   Certain Duties and Responsibilities............................................42
     SECTION 602.   Notice of Defaults.............................................................43
     SECTION 603.   Certain Rights of Trustee......................................................44
     SECTION 604.   Not Responsible for Recitals or Issuance of Securities.........................45
     SECTION 605.   May Hold Securities............................................................45
     SECTION 606.   Money Held in Trust............................................................45
     SECTION 607.   Compensation and Reimbursement.................................................45
     SECTION 608.   Disqualification; Conflicting Interests........................................46
     SECTION 609.   Corporate Trustee Required; Eligibility........................................47
     SECTION 610.   Resignation and Removal; Appointment of Successor..............................47
     SECTION 611.   Acceptance of Appointment by Successor.........................................49
     SECTION 612.   Merger, Conversion, Consolidation or Succession to Business....................50
     SECTION 613.   Preferential Collection of Claims Against Company..............................50
     SECTION 614.   Appointment of Authenticating Agent............................................50
</TABLE> 

                                     -iv-
<PAGE>
 
<TABLE>
<CAPTION>
 
<S>  <C>            <C>                                                                            <C>
                                 ARTICLE SEVEN

               HOLDER'S LISTS AND REPORTS BY TRUSTEE AND COMPANY

     SECTION 701.   Company to Furnish Trustee Names and Addresses of Holders......................52
     SECTION 702.   Preservation of Information; Communications to Holders.........................53
     SECTION 703.   Reports by Trustee.............................................................53
     SECTION 704.   Reports by Company.............................................................53

                                 ARTICLE EIGHT

             CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

     SECTION 801.   Company May Consolidate, Etc., Only on Certain Terms...........................54
     SECTION 802.   Successor Person Substituted...................................................54

                                 ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

     SECTION 901.   Supplemental Indentures Without Consent of Holders.............................55
     SECTION 902.   Supplemental Indentures With Consent of Holders................................56
     SECTION 903.   Execution of Supplemental Indentures...........................................57
     SECTION 904.   Effect of Supplemental Indentures..............................................57
     SECTION 905.   Conformity With Trust Indenture Act............................................57
     SECTION 906.   Reference in Securities to Supplemental Indentures.............................58

                                  ARTICLE TEN

                                   COVENANTS

     SECTION 1001.  Payment of Principal, Premium and Interest.....................................58
     SECTION 1002.  Maintenance of Office or Agency................................................58
     SECTION 1003.  Money for Securities Payments to be Held in Trust..............................59
     SECTION 1004.  Existence......................................................................60
     SECTION 1005.  Statement by Officers as to Default............................................60
     SECTION 1006.  Waiver of Certain Covenants....................................................61
     SECTION 1007.  Additional Amounts.............................................................61
</TABLE> 

                                      -v-
<PAGE>
 
<TABLE>
<CAPTION>
 
<S>  <C>            <C>                                                                            <C>
                                ARTICLE ELEVEN

                           REDEMPTION OF SECURITIES

     SECTION 1101.  Applicability of Article.......................................................62
     SECTION 1102.  Election to Redeem; Notice to Trustee..........................................62
     SECTION 1103.  Selection by Trustee of Securities to be Redeemed..............................62
     SECTION 1104.  Notice of Redemption...........................................................63
     SECTION 1105.  Deposit of Redemption Price....................................................63
     SECTION 1106.  Securities Payable on Redemption Date..........................................64
     SECTION 1107.  Securities Redeemed in Part....................................................64

                                ARTICLE TWELVE

                                 SINKING FUNDS

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

                               ARTICLE THIRTEEN

                                 SUBORDINATION

     SECTION 1301.  Securities Subordinated to Senior Indebtedness.................................66
     SECTION 1302.  No Payment on Securities in Certain Circumstances..............................66
     SECTION 1303.  Securities Subordinated to Prior Payment of All Senior
                    Indebtedness on Dissolution, Liquidation or Reorganization.....................67
     SECTION 1304.  Subrogation to Rights of Holders of Senior Indebtedness........................68
     SECTION 1305.  Obligations of the Company Unconditional.......................................69
     SECTION 1306.  Trustee Entitled to Assume Payments Not Prohibited in Absence
                    of Notice......................................................................70
     SECTION 1307.  Application by Trustee of Amounts Deposited with It............................70
     SECTION 1308.  Subordination Rights Not Impaired by Acts or Omissions of the
                    Company or Holders of Senior Indebtedness......................................70
     SECTION 1309.  Trustee to Effectuate Subordination of Securities..............................71
     SECTION 1310.  Right of Trustee to Hold Senior Indebtedness...................................71
     SECTION 1311.  Article Thirteen Not to Prevent Events of Default..............................71
</TABLE> 

                                     -vi-
<PAGE>
 
<TABLE>
<CAPTION>
 
<S>  <C>            <C>                                                                            <C>
     SECTION 1312.  No Fiduciary Duty of Trustee to Holders of Senior Indebtedness.................71
     SECTION 1313.  Article Applicable to Paying Agent.............................................72

                               ARTICLE FOURTEEN

                       MEETINGS OF HOLDERS OF SECURITIES

     SECTION 1401.  Purposes for Which Meetings May Be Called......................................72
     SECTION 1402.  Call, Notice and Place of Meetings.............................................72
     SECTION 1403.  Persons Entitled to Vote at Meetings...........................................73
     SECTION 1404.  Quorum; Action.................................................................73
     SECTION 1405   Determination of Voting Rights;Conduct and Adjournment of
                    Meetings.......................................................................74
     SECTION 1406.  Counting Votes and Recording Action of Meetings................................74


     TESTIMONIUM...................................................................................74
     SIGNATURE AND SEALS...........................................................................74
</TABLE> 

                                     -vii-
<PAGE>
 
          INDENTURE, dated as of ____________, 199___ between PENNZOIL-QUAKER
STATE COMPANY, a corporation duly organized and existing under the laws of the
State of Delaware (herein called the "Company"), having its principal office at
Pennzoil Place, Houston, Texas 77252-2967, and CHASE BANK OF TEXAS, NATIONAL
ASSOCIATION, a national banking association duly organized and existing under
the laws of the United States of America, as Trustee (herein called the
"Trustee"), the office of the Trustee at which at the date hereof its corporate
trust business is principally administered being 600 Travis, Suite 1150,
Houston, Texas 77002, Attention: Global Trust Service Department.

                            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
subordinated debentures, notes or other evidences of indebtedness (herein called
the "Securities"), to be issued in one or more series as in this Indenture
provided.

          This Indenture is subject to the provisions of the Trust Indenture Act
and the rules and regulations of the Commission promulgated thereunder that are
required to be part of this Indenture and, to the extent applicable, shall be
governed by such provisions.

          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 series
thereof, as follows:

                                  ARTICLE ONE

                       DEFINITIONS AND OTHER PROVISIONS
                            OF GENERAL APPLICATION

SECTION 101.   Definitions.

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

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

                                      -1-
<PAGE>
 
          (2)  all accounting terms not otherwise defined herein have the
     meanings assigned to them in accordance with generally accepted accounting
     principles in the United States, and, except as otherwise herein expressly
     provided, the term "generally accepted accounting principles" with respect
     to any computation required or permitted hereunder shall mean such
     accounting principles as are generally accepted in the United States at the
     date of such computation; and

          (3)  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
Section 102.

          "Act," when used with respect to any Holder, has the meaning
specified in Section 105.

          "Additional Amounts" means any additional amounts that are required
by the express terms of a Security or by or pursuant to a Board Resolution,
under circumstances specified therein or pursuant thereto, to be paid by the
Company with respect to certain taxes, assessments or other governmental charges
imposed on certain Holders and that are owing to such Holders.

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

          "Agent Members" has the meaning specified in Section 203.

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

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

                                      -2-
<PAGE>
 
          "Board of Directors" means either the board of directors of the
Company or any duly authorized committee of that board.

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

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

          "Capital Stock" means, with respect to any Person, any and all
shares, interests, rights to purchase (other than convertible or exchangeable
Indebtedness), warrants, options, participations or other equivalents of or
interests (however designated) in stock issued by that Person.

          "Capitalized Lease Obligation" means rental obligations under a lease
that are required to be capitalized for financial reporting purposes in
accordance with generally accepted accounting principles, and the amount of
Indebtedness represented by such obligations shall be the capitalized amount of
such obligations, as determined in accordance with generally accepted accounting
principles.

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

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

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

          "Conversion Event" has the meaning specified in Section 501.

          "Corporate Trust Office" means the principal office of the Trustee in
Houston, Texas at which at any particular time its corporate trust business
shall be principally administered, which office at the date hereof is that
indicated in the introductory paragraph of this Indenture.

                                      -3-
<PAGE>
 
          "Default" means, with respect to the Securities of any series, any
event, act or condition that is, or after notice or the passage of time or both
would be, an Event of Default with respect to Securities of such series.

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

          "Depositary" means, with respect to the Securities of any series
issuable or issued in whole or in part in a global form, the Person designated
as Depositary by the Company pursuant to Section 301 with respect to the
Securities of such series, until a successor Depositary shall have become such
pursuant to the applicable provisions of this Indenture, and thereafter
"Depositary" shall mean or include each Person who is then a Depositary
hereunder, and if at any time there is more than one such person, "Depositary"
as used with respect to the Securities of any series shall mean the Depositary
with respect to the Securities of that series.

          "Designated Senior Indebtedness," unless otherwise provided with
respect to the Securities of a series as contemplated by Section 301, means any
Senior Indebtedness that (i) in the instrument evidencing the same or the
assumption or guarantee thereof (or related documents to which the Company is a
party) is expressly designated as "Designated Senior Indebtedness" for purposes
of this Indenture and (ii) satisfies such other conditions as may be provided
with respect to the Securities of such series; provided that such instruments or
documents may place limitations and conditions on the right of such Senior
Indebtedness to exercise the rights of Designated Senior Indebtedness.

          "Disqualified Capital Stock" means, when used with respect to the
Securities of any series, (a) with respect to any Person, Capital Stock of such
Person that, by its terms or by the terms of any security into which it is
convertible, exercisable or exchangeable, is, or upon the happening of an event
or the passage of time would be, required to be redeemed or repurchased
(including at the option of the holder thereof) by such Person or any Subsidiary
of such Person, in whole or in part, on or prior to the Stated Maturity of the
Securities of such series, and (b) with respect to any Subsidiary of such Person
(including with respect to any Subsidiary of the Company), any Capital Stock
other than any common stock with no preference, privileges, or redemption or
repayment provisions.

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

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

          "Exchange Rate" has the meaning specified in Section 302.

          "Holder," when used with respect to any Security, means the Person in
whose name the Security is registered in the Security Register.

                                      -4-
<PAGE>
 
          "Indebtedness" of any Person, unless otherwise provided with respect
to the Securities of a series as contemplated by Section 301, means, without
duplication, the following (whether currently outstanding or hereafter incurred
or created): (i) all liabilities and obligations, contingent or otherwise, of
any such Person (a) in respect of borrowed money (whether or not the recourse of
the lender is to the whole of the assets of such Person or only to a portion
thereof), (b) evidenced by bonds, notes, debentures or similar instruments, (c)
representing the balance deferred and unpaid of the purchase price of any
property or services, except such as would constitute trade payables to trade
creditors in the ordinary course of business that are not more than 90 days past
their original due date, (d) evidenced by bankers' acceptances or similar
instruments issued or accepted by banks, (e) for the payment of money relating
to a Capitalized Lease Obligation or (f) evidenced by a letter of credit or a
reimbursement obligation of such Person with respect to any letter of credit;
(ii) all net obligations of such Person under Interest Swap and Hedging
Obligations; (iii) all liabilities of others of the kind described in the
preceding clause (i) or (ii) that such Person has guaranteed or that is
otherwise its legal liability and all obligations to purchase, redeem or acquire
any Capital Stock; and (iv) any and all deferrals, renewals, extensions,
refinancings, refundings (whether direct or indirect) of, or amendments,
modifications or supplements to, any liability of the kind described in any of
the preceding clauses (i), (ii) or (iii), or this clause (iv), whether or not
between or among the same parties.

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

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

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

          "Interest Swap and Hedging Obligation" means any obligation of any
Person pursuant to any interest rate swap agreement, interest rate cap
agreement, interest rate collar agreement, interest rate exchange agreement,
currency exchange agreement or any other agreement or arrangement designed to
protect against fluctuations in interest rates or currency values, including,
without limitation, any arrangement whereby, directly or indirectly, such Person
is entitled to receive from time to time periodic payments calculated by
applying either a fixed or floating rate of interest on a stated notional amount
in exchange for periodic payments made by such Person calculated by applying a
fixed or floating rate of interest on the same notional amount.

          "Judgment Currency" has the meaning specified in Section 506.

                                      -5-
<PAGE>
 
          "Junior Security" of a Person means, when used with respect to the
Securities of any series, any Qualified Capital Stock of such Person or any
Indebtedness of such Person that is subordinated in right of payment to the
Securities of such series and has no scheduled installment of principal due, by
redemption, sinking fund payment or otherwise, on or prior to the Stated
Maturity of the Securities of such series.

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

          "Officers' Certificate" means a certificate signed by the Chairman of
the Board, the President or a Vice President, and by the Treasurer, the
Controller, the Secretary or an Assistant Treasurer, Assistant Controller or
Assistant Secretary of the Company, and delivered to the Trustee, which
certificate shall be in compliance with Section 103 hereof.

          "Opinion of Counsel" means a written opinion of counsel, who may be
counsel for or an employee of the Company, rendered, if applicable, in
accordance with Section 314(c) of the Trust Indenture Act, which opinion shall
be in compliance with Section 103 hereof.

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

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

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

          (ii)  Securities for whose payment or redemption money in the
     necessary amount has been theretofore irrevocably 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

          (iii) Securities that have been paid pursuant to Section 306 or in
     exchange for or in lieu of which other Securities have been authenticated
     and delivered pursuant to this Indenture, other than any such Securities in
     respect of which there shall have been presented to the Trustee proof
     satisfactory to it that such Securities are held by a bona fide purchaser
     in whose hands such Securities are valid  obligations of the Company;

                                      -6-
<PAGE>
 
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, or whether a
quorum is present at a meeting of Holders of Securities, (a) the principal
amount of an Original Issue Discount Security that shall be deemed to be
Outstanding for such purposes shall be the principal amount thereof that would
be due and payable as of the date of such determination upon acceleration of the
Maturity thereof pursuant to Section 502, (b) the principal amount of a Security
denominated in a foreign currency shall be the U.S. dollar equivalent,
determined by the Company on the date of original issuance of such Security, of
the principal amount (or, in the case of an Original Issue Discount Security,
the U.S. dollar equivalent, determined on the date of original issuance of such
Security, of the amount determined as provided in (a) above), of such Security
and (c) Securities owned by the Company or any other obligor upon the Securities
or any Affiliate of the Company or of such other obligor shall be disregarded
and deemed not to be Outstanding, except that, in determining whether the
Trustee shall be protected in relying upon any such request, demand,
authorization, direction, notice, consent or waiver or upon any such
determination as to the presence of a quorum, only Securities which a
Responsible Officer of the Trustee knows to be so owned shall be so disregarded.
Securities so owned which have been pledged in good faith may be regarded as
Outstanding if the pledgee establishes to the satisfaction of the Trustee the
pledgee's right so to act with respect to such Securities and that the pledgee
is not the Company or any other obligor upon the Securities or any Affiliate of
the Company or of such other obligor.

          "Paying Agent" means any Person, which may include the Company,
authorized by the Company to pay the principal of, premium (if any) or interest
on or any Additional Amounts with respect to any one or more series of
Securities on behalf of the Company.

          "Payment Default" has the meaning specified in Section 1302(a).

          "Payment Notice" has the meaning specified in Section 1302(b).

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

          "Place of Payment," when used with respect to the Securities of any
series, means the place or places where the principal of, premium (if any) or
interest on or any Additional Amounts with respect to the Securities of such
series are payable as specified in accordance with Section 301 subject to the
provisions of Section 1002.

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

                                      -7-
<PAGE>
 
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.


          "Qualified Capital Stock" means any Capital Stock of the Company that
is not Disqualified Capital Stock.

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

          "Regular Record Date" for the interest payable on any Interest
Payment Date on the Securities of any series means the date specified for that
purpose as contemplated by Section 301, or, if not so specified, the last day of
the calendar month preceding such Interest Payment Date if such Interest Payment
Date is the fifteenth day of the calendar month or the fifteenth day of the
calendar month preceding such Interest Payment Date if such Interest Payment
Date is the first day of a calendar month, whether or not such day shall be a
Business Day.

          "Required Currency" has the meaning specified in Section 506.

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

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

          "Security Custodian" means, with respect to Securities of a series
issued in global form, the Trustee for Securities of such series, acting in its
capacity as custodian with respect to the Securities of such series, or any
successor entity thereto.

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

          "Senior Indebtedness" of the Company, unless otherwise provided with
respect to the Securities of a series as contemplated by Section 301, means (i)
all Indebtedness of the Company, whether currently outstanding or hereafter
issued, unless, by the terms of the instrument creating or evidencing such
Indebtedness, it is provided that such Indebtedness is not superior in right of
payment to the Securities or to other Indebtedness which is pari passu with or
subordinated to the Securities, and (ii) any modifications, refunding,
deferrals, renewals or extensions of any such

                                      -8-
<PAGE>
 
Indebtedness or securities, notes or other evidences of Indebtedness issued in
exchange for such Indebtedness; provided that in no event shall "Senior
Indebtedness" include (a) Indebtedness of the Company owed or owing to any
Subsidiary of the Company or any officer, director or employee of the Company or
any Subsidiary of the Company, (b) Indebtedness to trade creditors or (c) any
liability for taxes owed or owing by the Company.

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

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

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

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

          "Trust Indenture Act" means the Trust Indenture Act of 1939 as in
force at the date as of which this instrument was executed, except as provided
in Section 905; provided, however, that, in the event the Trust Indenture Act of
1939 is amended after such date, "Trust Indenture Act" means, to the extent
required by any such amendment, the Trust Indenture Act of 1939 as so amended.

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

          "United States Alien" means any Person who, for United States federal
income tax purposes, is a foreign corporation, a nonresident alien individual, a
nonresident alien or foreign fiduciary of an estate or trust, or a foreign
partnership.

          "U.S. Government Obligations" has the meaning specified in
Section 401.

                                      -9-
<PAGE>
 
          "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".

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

          "Yield to Maturity," when used with respect to any Original Issue
Discount Security, means the yield to maturity, if any, set forth on the face
thereof.

SECTION 102.   Incorporation by Reference of Trust Indenture Act.

          Whenever this Indenture refers to a provision of the Trust Indenture
Act, the provision is incorporated by reference in and made a part of this
Indenture.  The following Trust Indenture Act terms used in this Indenture have
the following meanings:

          "Bankruptcy Act" means the Bankruptcy Act or Title 11 of the United
States Code.

          "indenture securities" means the Securities.

          "indenture security holder" means a Holder.

          "indenture to be qualified" means this Indenture.

          "indenture trustee" or "institutional trustee" means the Trustee.

          "obligor" on the indenture securities means the Company or any other
obligor on the Securities.

          All terms used in this Indenture that are defined by the Trust
Indenture Act, defined by a Trust Indenture Act reference to another statute or
defined by Commission rule under the Trust Indenture Act and not otherwise
defined herein have the meanings assigned to them therein.

                                      -10-
<PAGE>
 
SECTION 103.   Compliance Certificates and Opinions.

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

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

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

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

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

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

SECTION 104.   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

                                      -11-
<PAGE>
 
erroneous.  Any such certificate or Opinion of Counsel may be based, insofar as
it relates to factual matters, upon a certificate or opinion of, or
representations by, an officer or officers of the Company stating that the
information with respect to such factual matters is in the possession of the
Company, unless such counsel knows, or in the exercise of reasonable care should
know, that the certificate or opinion or representations with respect to such
matters are erroneous.

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

SECTION 105.   Acts of Holders; Record Dates.

     (a)  Any request, demand, authorization, direction, notice, consent, waiver
or other action provided by this Indenture to be given or taken by Holders may
be embodied in and evidenced by one or more instruments of substantially similar
tenor signed by such Holders in person or by an agent duly appointed in writing.
Except as herein otherwise expressly provided, such action shall become
effective when such instrument or instruments or record or both are delivered to
the Trustee and, where it is hereby expressly required, to the Company.  Such
instrument or instruments and any such record (and the action embodied therein
and evidenced thereby) are herein sometimes referred to as the "Act" of the
Holders signing such instrument or instruments and so voting at any such
meeting.  Proof of execution of any such instrument or of a writing appointing
any such agent, or the holding of any Person of a Security, shall be sufficient
for any purpose of this Indenture and (subject to Section 601) conclusive in
favor of the Trustee and the Company, if made in the manner provided in this
Section 105.  The record of any meeting of Holders of Securities shall be proved
in the manner provided in Section 1406.

          The Company may set a record date for purposes of determining the
identity of Holders of Securities entitled to vote or consent to any action by
vote or consent authorized or permitted under this Indenture.  If a record date
is fixed, those Persons who were Holders of Outstanding Securities at such
record date (or their duly designated proxies), and only those Persons, shall be
entitled with respect to such Securities to take such action by vote or consent
or to revoke any vote or consent previously given, whether or not such Persons
continue to be Holders after such record date.  Promptly after any record date
is set pursuant to this paragraph, the Company, at its own expense, shall cause
notice thereof to be given to the Trustee in writing in the manner provided in
Section 106 and to the relevant Holders as set forth in Section 107.

     (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

                                      -12-
<PAGE>
 
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 principal amount and serial numbers of Securities held by any
Person, and the date of holding the same, shall be proved by the Security
Register.
    
     (d) In determining whether the Holders of the requisite principal amount of
Outstanding Securities have given any request, demand, authorization, direction,
notice, consent or waiver under this Indenture, the principal amount of an
Original Issue Discount Security that may be counted in making such
determination and that shall be deemed to be Outstanding for such purposes shall
be equal to the amount of the principal thereof that would be due and payable
upon a declaration of acceleration of the Maturity thereof pursuant to Section
502 at the time the taking of such action by the Holders of such requisite
principal amount is evidenced to the Trustee for such Securities.      

     (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.  Any consent or waiver of the Holder of any Security shall be
irrevocable for a period of six months after the date of execution thereof, but
otherwise any such Holder or subsequent Holder may revoke the request, demand,
authorization, direction, notice, consent or other Act as to his Security or
portion of his Security; provided, however, that such revocation shall be
effective only if the Trustee receives the notice of revocation before the date
the Act becomes effective.

SECTION 106.   Notices, Etc., to Trustee and Company.

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

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

          (2)  the Company by the Trustee or by any Holder shall be sufficient
     for every purpose hereunder (unless otherwise herein expressly provided) if
     in writing and mailed, first-class postage prepaid, to the Company
     addressed to it at the address of its principal office specified in the
     first paragraph of this Indenture or at any other address previously
     furnished in writing to the Trustee by the Company, Attention: Corporate
     Secretary.

                                      -13-
<PAGE>
 
SECTION 107.   Notice to Holders; Waiver.

          Where this Indenture provides for notice to Holders of Securities 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 the address of such Holder as it appears
in the Security Register, not later than the latest date, and not earlier than
the earliest date, prescribed for the giving of such notice.

          In 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 to
Holders of Securities by mail, then such notification as shall be made with the
approval of the Trustee shall constitute a sufficient notification for every
purpose hereunder.  In any case in which notice to Holders of Securities is
given by mail, neither the failure to mail such notice, nor any defect in any
notice so mailed, to any  particular Holder of a Security, shall affect the
sufficiency of such notice with respect to other Holders of Securities.

          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.

SECTION 108.   Conflict With Trust Indenture Act.
    
          If any provision hereof limits, qualifies or conflicts with any
provision of the Trust Indenture Act or another provision hereof required to be
included in this Indenture by any of the provisions of the Trust Indenture Act,
such provision of the Trust Indenture Act 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, such provision of this Indenture shall be 
given effect.     

SECTION 109.   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 110.   Successors and Assigns.

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

                                      -14-
<PAGE>
 
SECTION 111.   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 112.   Benefits of Indenture.

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

SECTION 113.   Governing Law.

          This Indenture and the Securities shall be governed by and construed
in accordance with the laws of the State of New York, but without giving effect
to applicable principles of conflicts of law to the extent the application of
the laws of another jurisdiction would be required thereby.

SECTION 114.   Legal Holidays.

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

SECTION 115.   Corporate Obligation.

          No recourse may be taken, directly or indirectly, against any
incorporator, subscriber to the capital stock, stockholder, officer, director or
employee of the Company or the Trustee or of any predecessor or successor of the
Company or the Trustee with respect to the Company's obligations on the
Securities or the obligations of the Company or the Trustee under this Indenture
or any certificate or other writing delivered in connection herewith.

                                      -15-
<PAGE>
 
                                  ARTICLE TWO

                                SECURITY FORMS

SECTION 201.   Forms Generally.

          The Securities of each series shall be in fully registered form and in
substantially such form or forms (including temporary or permanent global form)
as shall be established by or pursuant to a Board Resolution or in one or more
indentures supplemental hereto, in each case with such appropriate insertions,
omissions, substitutions and other variations as are required or permitted by
this Indenture and may have such letters, numbers or other marks of
identification and such legends or endorsements placed thereon as may be
required to comply with the rules of any securities exchange or as may,
consistently herewith, be determined by the officers of the Company executing
such Securities, as evidenced by their execution of the Securities.  If
temporary Securities of any series are issued in global form as permitted by
Section 304, the form thereof shall be established as provided in the preceding
sentence.  A copy of the Board Resolution establishing the form or forms of
Securities of any series (or any such temporary global Security) shall be
delivered to the Trustee at or prior to the delivery of the Company Order
contemplated by Section 303 for the authentication and delivery of such
Securities (or any such temporary global Security).

          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 thereof.

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

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

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

                              Chase Bank of Texas, National Association
                              as Trustee

                              By
                                -----------------------------------------------
                                         Authorized Signatory."

SECTION 203.   Securities in Global Form.

          If Securities of a series are issuable in global form, as contemplated
by Section 301, then, notwithstanding clause (10) of Section 301 and the
provisions of Section 302, any such Security shall represent such of the
Outstanding Securities of such series as shall be specified therein

                                      -16-
<PAGE>
 
and may provide that it shall represent the aggregate amount of Outstanding
Securities from time to time endorsed thereon and that the aggregate amount of
Outstanding Securities represented thereby may from time to time be reduced to
reflect exchanges or redemptions. Any endorsement of a Security in global form
to reflect the amount, or any increase or decrease in the amount, of Outstanding
Securities represented thereby shall be made by the Trustee in such manner and
upon instructions given by such Person or Persons as shall be specified in such
Security or in a Company Order to be delivered to the Trustee pursuant to
Section 303 or Section 304. Subject to the provisions of Section 303 and, if
applicable, Section 304, the Trustee shall deliver and redeliver any Security in
permanent global form in the manner and upon instructions given by the Person or
Persons specified in such Security or in the applicable Company Order. With
respect to the Securities of any series that are represented by a Security in
global form, the Company authorizes the execution and delivery by the Trustee of
a letter of representations or other similar agreement or instrument in the form
customarily provided for by the Depositary appointed with respect to such global
Security. Any Security in global form may be deposited with the Depositary or
its nominee, or may remain in the custody of the Security Custodian therefor
pursuant to an agreement between the Trustee and the Depositary. If a Company
Order pursuant to Section 303 or 304 has been, or simultaneously is, delivered,
any instructions by the Company with respect to endorsement or delivery or
redelivery of a Security in global form shall be in writing but need not comply
with Section 103 and need not be accompanied by an Opinion of Counsel.

          Members of, or participants in, the Depositary ("Agent Members") shall
have no rights under this Indenture with respect to any Security issued in
global form held on their behalf by the Depositary, or the Security Custodian as
its custodian, or under such global Security, and the Depositary may be treated
by the Company, the Security Custodian and any agent of the Company or the
Trustee as the absolute owner of such global Security for all purposes
whatsoever. Notwithstanding the foregoing, (i) the registered holder of a
Security of any series issued in global form may grant proxies and otherwise
authorize any Person, including Agent Members and Persons that may hold
interests through Agent Members, to take any action that a Holder of such series
is entitled to take under this Indenture or the Securities of such series and
(ii) nothing herein shall prevent the Company, the Security Custodian or any
agent of the Company or the Security Custodian, from giving effect to any
written certification, proxy or other authorization furnished by the Depositary
or shall impair, as between the Depositary and its Agent Members, the operation
of customary practices governing the exercise of the rights of a beneficial
owner of any Security.
    
          Notwithstanding Section 305, except as otherwise specified in a Board
Resolution or supplemental indenture, as contemplated by Section 301, any
permanent global Security shall be exchangeable only as provided in this
paragraph. If the beneficial owners of interests in a permanent global Security
are entitled to exchange such interest for Securities of such series and of like
tenor and principal amount of another authorized form and denomination, as
specified in a Board Resolution or supplementl indenture, as contemplated by
Section 301, then without unnecessary delay but in any event not later than the
earliest date on which such interests may be so exchanged, the Company shall
deliver to the Trustee definitive Securities of that series in an aggregate
principal amount equal to the principal amount of such permanent global
Security,
     
                                      -17-
<PAGE>
 
executed by the Company. On or after the earliest date on which such interests
may be so exchanged, such permanent global Security shall be surrendered from
time to time in accordance with instructions given to the Trustee and the
Depositary (which instructions shall be in writing but need not comply with
Section 103 or be accompanied by an Opinion of Counsel) by the Depositary or
such other depositary as shall be specified in the Company Order with respect
thereto to the Trustee, as the Company's agent for such purpose, to be
exchanged, in whole or in part, for definitive Securities of the same series
without charge and the Trustee shall authenticate and deliver, in exchange for
each portion of such permanent global Security, a like aggregate principal
amount of other definitive Securities of the same series of authorized
denominations and of like tenor as the portion of such permanent global Security
to be exchanged; provided, however, that no such exchanges may occur during a
period beginning at the opening of business 15 days before any selection of
Securities of that series is to be redeemed and ending on the relevant
Redemption Date. Promptly following any such exchange in part, such permanent
global Security marked to evidence the partial exchange shall be returned by the
Trustee to the Depositary or such other depositary referred to above in
accordance with the instructions of the Company referred to above. If a
definitive Security is issued in exchange for any portion of a permanent global
Security after the close of business at the office or agency where such exchange
occurs on (i) any Regular Record Date and before the opening of business at such
office or agency on the relevant Interest Payment Date, or (ii) any Special
Record Date and before the opening of business at such office or agency on the
related proposed date for payment of Defaulted Interest, interest or Defaulted
Interest, as the case may be, will not be payable on such Interest Payment Date
or proposed date for payment, as the case may be, in respect of such Security,
but will be payable on such Interest Payment Date or proposed for payment, as
the case may be, only to the Person to whom interest in respect of such portion
of such permanent global Security is payable in accordance with the provisions
of this Indenture.
    
          Notwithstanding Section 305, except as otherwise specified in a Board
Resolution or supplemental indenture, as contemplated by Section 301, transfers
of a Security issued in global form shall be limited to transfers of such global
Security in whole, but not in part, to the Depositary, its successors or their
respective nominees. Interests of beneficial owners in a Security issued in
global form may be transferred in accordance with the rules and procedures of
the Depositary. Securities of any series shall be transferred to all beneficial
owners of a global Security of such series in exchange for their beneficial
interests in that global Security if, and only if, either (1) the Depositary
notifies the Company that it is unwilling or unable to continue as Depositary
for the global Security of such series and a successor Depositary is not
appointed by the Company within 90 days of such notice, (2) an Event of Default
has occurred with respect to such series and is continuing and the Security
Registrar has received a request from the Depositary or the Trustee to issue
Securities of such series in lieu of all or a portion of that global Security
(in which case the Company shall deliver Securities of such series within 30
days of such request) or (3) the Company determines not to have the Securities
of such series represented by a global Security.      

          In connection with any transfer of a portion of the beneficial
interest in a global Security of any series to beneficial owners pursuant to
this Section 203, the Security Registrar shall

                                      -18-
<PAGE>
 
reflect on its books and records the date and a decrease in the principal amount
of the global Security of that series in an amount equal to the principal amount
of the beneficial interest in the global Security of that series to be
transferred, and the Company shall execute, and the Trustee upon receipt of a
Company Order for the authentication and delivery of Securities of that series
shall authenticate and deliver, one or more Securities of the same series of
like tenor and amount.

          In connection with the transfer of all the beneficial interests in a
global Security of any series to beneficial owners pursuant to this Section 203,
the global Security shall be deemed to be surrendered to the Trustee for
cancellation, and the Company shall execute, and the Trustee shall authenticate
and deliver, to each beneficial owner identified by the Depositary in exchange
for its beneficial interest in the global Security, an equal aggregate principal
amount of Securities of that series of authorized denominations.
    
          Neither the Company nor the Trustee will have any responsibility or
liability for any aspect of the records kept by the Depositary relating to
Securities of any series, or for payments made on account of Securities of any
series, or for maintaining, supervising or reviewing any records of the
Depositary relating to such Securities. Neither the Company nor the Trustee
shall be liable for any delay by the related global Security Holder or the
Depositary in identifying the beneficial owners, and each such Person may
conclusively rely on, and shall be protected in relying on, instructions from
such global Security Holder or the Depositary for all purposes (including with
respect to the registration and delivery, and the principal amounts, of the
Securities to be issued).      

          The provisions of the last sentence of Section 303 shall apply to any
Security in global form if such Security was never issued and sold by the
Company and the Company delivers to the Trustee the Security in global form
together with written instructions (which need not comply with Section 103 and
need not be accompanied by an Opinion of Counsel) with regard to the reduction
in the principal amount of Securities represented thereby, together with the
written statement contemplated by the last sentence of Section 303.

          Notwithstanding the provisions of Sections 201 and 307, unless
otherwise specified as contemplated by Section 301, payment of principal of,
premium (if any) and interest on or any Additional Amounts with respect to any
Security in permanent global form shall be made to the Person or Persons
specified therein.

          Notwithstanding the provisions of Section 308 and except as provided
in the preceding paragraph, the Company, the Trustee and any agent of the
Company or of the Trustee shall treat a Person as the Holder of such principal
amount of Outstanding Securities represented by a global Security as shall be
specified in a written statement, if any, of the Holder of such global Security
which is produced to the Security Registrar by such Holder.

          Global Securities may be issued in either temporary or permanent form.
Permanent global Securities will be issued in definitive form.

                                      -19-
<PAGE>
 
                                 ARTICLE THREE

                                THE SECURITIES

SECTION 301.   Amount Unlimited; Issuable in Series.

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

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

          (1)  the title of the Securities of such 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 such 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 such series pursuant to Section 203, 304, 305, 306, 906 or
     1107);

          (3)  whether Securities of such series are to be issuable initially in
     temporary global form and whether any Securities of such series are to be
     issuable in permanent global form and, if so, whether beneficial owners of
     interests in any such global Security may exchange such interests for
     Securities of such series and of like tenor of any authorized form and
     denomination and the circumstances under which any such exchanges may
     occur, if other than in the manner provided in Sections 203 or 305, and the
     Depositary for any global Security or Securities of such series;

          (4)  the manner in which any interest payable on a temporary global
     Security of such series on any Interest Payment Date will be paid if other
     than in the manner provided in Section 304;

          (5)  the date or dates on which the principal or premium (if any) of
     the Securities of such series is payable or the method of determination
     thereof;

          (6)  the rate or rates, or the method of determination thereof, at
     which the Securities of such series shall bear interest, if any, whether
     and under what circumstances Additional Amounts with respect to such
     Securities shall be payable, the date or dates from which such interest
     shall accrue, the Interest Payment Dates on which such interest shall be
     payable and, if other than as set forth in Section 101, the Regular Record
     Date for the interest payable on any Securities on any Interest Payment
     Date;

                                      -20-
<PAGE>
 
          (7)  the place or places where, subject to the provisions of
     Section 1002, the principal of, premium (if any) and interest on or any
     Additional Amounts with respect to the Securities of such series shall be
     payable;

          (8)  the period or periods within which, the price or prices (whether
     denominated in cash, securities or otherwise) at which and the terms and
     conditions upon which Securities of such series may be redeemed, in whole
     or in part, at the option of the Company, if the Company is to have that
     option, and the manner in which the Company must exercise any such option,
     if different from those set forth herein;

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

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

          (11) the currency or currencies (including composite currencies), if
     other than Dollars, or the form, including equity securities, other debt
     securities (including Securities), warrants or any other securities or
     property of the Company or any other Person, in which payment of the
     principal of, premium (if any) and interest on or any Additional Amounts
     with respect to the Securities of such series shall be payable;

          (12) if the principal of, premium (if any) or interest on or any
     Additional Amounts with respect to the Securities of such series are to be
     payable, at the election of the Company or a Holder thereof, in a currency
     or currencies (including composite currencies) other than that in which the
     Securities are stated to be payable, the currency or currencies (including
     composite currencies) in which payment of the principal of, premium (if
     any) and interest on or any Additional Amounts with respect to Securities
     of such series as to which such election is made shall be payable, and the
     periods within which and the terms and conditions upon which such election
     is to be made;

          (13) if the amount of payments of principal of, premium (if any) and
     interest on or any Additional Amounts with respect to the Securities of
     such series may be determined with reference to any commodities, currencies
     or indices, values, rates or prices or any other index or formula, the
     manner in which such amounts shall be determined;

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

                                      -21-
<PAGE>
 
          (15) any additional means of satisfaction and discharge of this
     Indenture with respect to Securities of such series pursuant to
     Section 401, any additional conditions to discharge pursuant to Section 401
     or 403 and the application, if any, of Section 403;

          (16) any deletions or modifications of or additions to the definitions
     set forth in Section 101, Events of Default set forth in Section 501 or
     covenants of the Company set forth in Article Ten pertaining to the
     Securities of such series;

          (17) if the Securities of such series are to be convertible into or
     exchangeable for equity securities, other debt securities (including
     Securities), warrants or any other securities or property of the Company or
     any other Person, at the option of the Company or the Holder or upon the
     occurrence of any condition or event, the terms and conditions for such
     conversion or exchange;

          (18) whether any of such Securities will be subject to certain
     optional interest rate reset provisions;

          (19) the additions or changes, if any, to the Indenture with respect
     to such Securities as shall be necessary to permit or facilitate the
     issuance of such Securities in bearer form, registered or not registrable
     as to principal, and with or without interest coupons; and

          (20) any other terms of such 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 the Board Resolution referred to above and (subject to Section 303) set
forth, or determined in the manner provided, in the Officers' Certificate
referred to above or in any such indenture supplemental hereto.

          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 any Holder
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
together with 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 Officers' Certificate setting forth the terms of the series.

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

                                      -22-
<PAGE>
 
SECTION 302.   Denominations.

          The Securities of each series shall be issuable in such denominations
as shall be specified as contemplated by Section 301.  In the absence of any
such provisions with respect to the Securities of any series, the Securities of
such series denominated in Dollars shall be issuable in denominations of $1,000
and any integral multiple thereof.  Unless otherwise provided as contemplated by
Section 301 with respect to any series of Securities, any Securities of a series
denominated in a currency other than Dollars shall be issuable in denominations
that are the equivalent, as determined by the Company by reference to the noon
buying rate in The City of New York for cable transfers for such currency
("Exchange Rate"), as such rate is reported or otherwise made available by the
Federal Reserve Bank of New York, on the applicable issue date for such
Securities, of $1,000 and any integral multiple thereof.

SECTION 303.   Execution, Authentication, Delivery and Dating.

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

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

          At any time and from time to time after the execution and delivery of
this Indenture, the Company may deliver Securities of any series executed by the
Company to the Trustee for authentication, together with a Company Order for the
authentication and delivery of such Securities, and the Trustee in accordance
with the Company Order shall authenticate and deliver such Securities as in this
Indenture provided and not otherwise.

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

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

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

                                      -23-
<PAGE>
 
          (c)  that such Securities when authenticated and delivered by the
     Trustee and issued by the Company in the manner and subject to any
     conditions specified in such Opinion of Counsel, will constitute legal,
     valid and binding obligations of the Company, enforceable in accordance
     with their terms, except as such enforcement is subject to the effect of
     (i) bankruptcy, insolvency, fraudulent conveyance, reorganization or other
     laws relating to or affecting creditors' rights and (ii) general principles
     of equity (regardless of whether such enforcement is considered in a
     proceeding in equity or at law).

If such form or terms have been so established, the Trustee shall not be
required to authenticate such Securities if the issue of such Securities
pursuant to this Indenture will affect the Trustee's own rights, duties or
immunities under the Securities and this Indenture or otherwise in a manner 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.  Notwithstanding the
foregoing, if any Security shall have been authenticated and delivered hereunder
but never issued and sold by the Company, and the Company shall deliver such
Security to the Trustee for cancellation as provided in Section 309 together
with a written statement (which need not comply with Section 103 and need not be
accompanied by an Opinion of Counsel) stating that such Security has never been
issued and sold by the Company, for all purposes of this Indenture such Security
shall be deemed never to have been authenticated and delivered hereunder and
shall never be entitled to the benefits of this Indenture.

SECTION 304.   Temporary Securities.

          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 that are printed, lithographed, typewritten,
mimeographed or otherwise produced, in any authorized denomination,
substantially of the tenor of the definitive Securities in lieu of which they
are issued, in registered form and with such appropriate insertions, omissions,
substitutions and other variations as the officers of the Company executing such
Securities may determine, as evidenced by their execution of such Securities.

          Except in the case of temporary Securities in global form (which shall
be exchanged in accordance with the provisions of the following paragraphs), 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

                                      -24-
<PAGE>
 
of the temporary Securities of such series at the office or agency of the
Company in a Place of Payment for that series, without charge to the Holder.
Upon surrender for cancellation of any one or more temporary Securities of any
series, the Company shall execute and deliver a Company Order requesting the
Trustee to authenticate and deliver 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.

          All Outstanding temporary Securities of any series shall in all
respects be entitled to the same benefits under this Indenture as definitive
Securities of the same series and of like tenor authenticated and delivered
hereunder.

SECTION 305.   Registration, Registration of Transfer and Exchange.

          The Company shall cause to be kept for each series of Securities at
one of the offices or agencies maintained pursuant to Section 1002 a register
(the register maintained in such office and in any other office or agency of the
Company in a Place of Payment being herein sometimes collectively referred to as
the "Security Register") in which, subject to such reasonable regulations as it
may prescribe, the Company shall provide for the registration of Securities and
of transfers of Securities of such series.  The Trustee is hereby initially
appointed "Security Registrar" for the purpose of registering Securities and
transfers of Securities as herein provided.

          Except as set forth in Section 203 or as may be provided pursuant to
Section 301, upon surrender for registration of transfer of any Security of any
series at the office or agency in a Place of Payment for that series, the
Company shall execute and deliver a Company Order requesting the Trustee to
authenticate and deliver and the Trustee shall authenticate and deliver, in the
name of the designated transferee or transferees, one or more new Securities of
the same series and of like tenor, of any authorized denominations and of a like
aggregate principal amount.

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

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

          Every Security presented or surrendered for registration of transfer
or for exchange shall (if so required by the Company or the Trustee) be duly
endorsed, or be accompanied by a

                                      -25-
<PAGE>
 
written instrument of transfer in form satisfactory to the Company and the
Security Registrar duly executed, by the Holder thereof or his attorney duly
authorized in writing.

          No service charge shall be made for any registration of transfer or
exchange of Securities, but the Company may require payment of a sum sufficient
to cover any tax or other governmental charge that may be imposed in connection
with any registration of transfer or exchange of Securities, other than exchange
pursuant to Section 304, 906 or 1107 not involving any transfer.

          The Company shall not be required (i) to issue, register the transfer
of or exchange Securities of any series during a period beginning at the opening
of business 15 days before the day of the mailing of a notice of redemption of
Securities of such series selected for redemption and ending at the close of
business on the day of the mailing of the relevant notice of redemption 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.

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

          If any mutilated Security is surrendered to the Trustee, the Company
shall execute and deliver a Company Order requesting the Trustee to authenticate
and deliver 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.

          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 306, 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 fee and expenses of the Trustee) connected therewith.

          Every new Security of any series issued pursuant to this Section 306
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

                                      -26-
<PAGE>
 
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 306 are exclusive and shall preclude
(to the extent lawful) all other rights and remedies with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Securities.

SECTION 307.   Payment of Interest; Interest Rights Preserved.

          Interest on any Security which is payable, and is punctually paid or
duly provided for, on any Interest Payment Date shall be paid to the Person in
whose name that Security (or one or more Predecessor Securities) is registered
at the close of business on the Regular Record Date for such interest.  Unless
otherwise provided with respect to the Securities of any series, payment of
interest may be made at the option of the Company by check mailed or delivered
to the address of any Person entitled thereto as such address shall appear in
the Security Register.

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

          (1)  The Company may elect to make payment of any Defaulted Interest
     to the Persons in whose names the Securities of such series (or their
     respective Predecessor Securities) are registered at the close of business
     on a Special Record Date for the payment of such Defaulted Interest, which
     shall be fixed in the following manner. The Company shall notify the
     Trustee in writing of the amount of Defaulted Interest proposed to be paid
     on each Security of such series and the date of the proposed payment, and
     at the same time the Company shall deposit with the Trustee an amount of
     money equal to the aggregate amount proposed to be paid in respect of such
     Defaulted Interest or shall make arrangements satisfactory to the Trustee
     for such deposit prior to the date of the proposed payment, such money when
     deposited to be held in trust for the benefit of the Persons entitled to
     such Defaulted Interest as in this Clause provided. Thereupon the Trustee
     shall fix a Special Record Date for the payment of such Defaulted Interest
     which shall be not more than 15 days and not less than 10 days prior to the
     date of the proposed payment and not less than 10 days after the receipt by
     the Trustee of the notice of the proposed payment. The Trustee shall
     promptly notify the Company of such Special Record Date and, in the name
     and at the expense of the Company, shall cause notice of the proposed
     payment of such Defaulted Interest and the Special Record Date therefor to
     be mailed, first-class postage prepaid, to each Holder of Securities of
     such series at his address as it appears in the Security Register, not less
     than 10 days prior to such Special Record Date. The Trustee may, in its
     discretion, in the name and at the expense of the Company, cause a similar
     notice to be published at

                                      -27-
<PAGE>
 
     least once in an Authorized Newspaper, but such publication shall not be a
     condition precedent to the establishment of such Special Record Date.
     Notice of the proposed payment of such Defaulted Interest and the Special
     Record Date therefor having been so mailed, such Defaulted Interest shall
     be paid to the Persons in whose names the Securities of such series (or
     their respective Predecessor Securities) are registered at the close of
     business on such Special Record Date and shall no longer be payable
     pursuant to the following Clause (2).

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

          Subject to the foregoing provisions of this Section 307, each Security
delivered under this Indenture, upon registration of transfer of, in exchange
for or in lieu of, any other Security, shall carry the rights to interest
accrued and unpaid, and to accrue, which were carried by such other Security.

SECTION 308.   Persons Deemed Owners.

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

SECTION 309.   Cancellation.

          All Securities surrendered for payment, redemption, registration of
transfer or exchange or for credit against any sinking fund payment shall, if
surrendered to any Person other than the Trustee, be delivered to the Trustee.
All Securities so delivered shall be promptly canceled by 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 canceled by the Trustee.  No Securities shall be authenticated in lieu
of or in exchange for any Securities canceled as provided in this Section 309,
except as expressly permitted by this Indenture.  All canceled Securities held
by the Trustee shall be disposed of by the Trustee in accordance with its
customary procedures, unless the Trustee is otherwise directed by a Company
Order.

                                      -28-
<PAGE>
 
SECTION 310.   Computation of Interest.

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

SECTION 311.   CUSIP Numbers.

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

                                 ARTICLE FOUR

                          SATISFACTION AND DISCHARGE

SECTION 401.   Satisfaction and Discharge of Indenture.

          This Indenture shall upon Company Request cease to be of further
effect with respect to Securities of a series, and the Trustee, at the expense
of the Company, shall execute proper instruments acknowledging satisfaction and
discharge of this Indenture with respect to Securities of such series, when

          (1)  either

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

               (B)  with respect to all Outstanding Securities of such series
          not theretofore delivered to the Trustee for cancellation, the Company
          has deposited or caused to be deposited with the Trustee as trust
          funds, under the terms of an irrevocable trust agreement in form and
          substance satisfactory to the Trustee, for the purpose money or U.S.
          Government Obligations maturing as to principal and interest in such
          amounts and at such times as will, together with the income to accrue

                                      -29-
<PAGE>
 
     
          thereon, without consideration of any reinvestment thereof, be
          sufficient to pay and discharge the entire indebtedness on all
          Outstanding Securities of such series not theretofore delivered to the
          Trustee for cancellation for principal of, premium (if any) and
          interest on or any Additional Amounts and mandatory obligations
          pursuant to any sinking fund or analogous provisions with respect to
          such Securities to the Stated Maturity or any Redemption Date
          contemplated by the penultimate paragraph of this Section 401, as the
          case may be; or      

               (C)  the Company has properly fulfilled such other means of
          satisfaction and discharge as is specified, as contemplated by
          Section 301, to be applicable to the Securities of such series;

          (2)  the Company has paid or caused to be paid all other sums payable
     hereunder by the Company with respect to the Outstanding Securities of such
     series;

          (3)  the Company has complied with any other conditions specified
     pursuant to Section 301 to be applicable to the discharge of Securities of
     such series pursuant to this Section 401;

          (4)  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 with respect to the Outstanding Securities of such series have
     been complied with;

          (5)  if the conditions set forth in Section 401(1)(A) have not been
     satisfied, and unless otherwise specified pursuant to Section 301 for the
     Securities of such series, the Company has delivered to the Trustee an
     Opinion of Counsel to the effect that the Holders of Securities of such
     series will not recognize income, gain or loss for United States federal
     income tax purposes as a result of such deposit, satisfaction and discharge
     and will be subject to United States federal income tax on the same amount
     and in the same manner and at the same time as would have been the case if
     such deposit, satisfaction and discharge had not occurred; and
    
          (6) no Default or Event of Default with respect to the Securities of
     such series shall have occurred and be continuing on the date of the
     Company's fulfillment of the requirements of clause (1) of this Section 401
     or, in so far as clause (5) or (6) of Section 501 is concerned, at any time
     in the period ending on the 91st day after the date of the Company's
     fulfillment of the requirements of clause (1) of this Section 401 (it being
     understood that this condition shall not be deemed satisfied until the
     expiration of such period).      

          For the purposes of this Indenture, "U.S. Government Obligations"
means direct noncallable obligations of, or noncallable obligations the payment
of principal of and interest on which is guaranteed by, the United States of
America, or to the payment of which obligations or guarantees the full faith and
credit of the United States of America is pledged, or beneficial interests

                                      -30-
<PAGE>
 
in a trust the corpus of which consists exclusively of money or such obligations
or a combination thereof.

          If any Outstanding Securities of such series are to be redeemed prior
to their Stated Maturity, whether pursuant to any optional redemption provisions
or in accordance with any mandatory sinking fund requirement, the trust
agreement referred to in subclause (B) of clause (1) of this Section 401 shall
provide therefor and the Company shall make such arrangements as are
satisfactory to the Trustee for the giving of notice of redemption by the
Trustee in the name, and at the expense, of the Company.

          Notwithstanding the satisfaction and discharge of this Indenture with
respect to the Outstanding Securities of such series pursuant to this
Section 401, the obligations of the Company to the Trustee under Section 607,
the obligations of the Company to any Authenticating Agent under Section 614
and, except for a discharge pursuant to subclause (A) of clause (1) of this
Section 401, the obligations of the Company under Sections 305, 306, 404, 1001
and 1002 and the obligations of the Trustee under Section 402 and the last
paragraph of Section 1003 shall survive.

SECTION 402.   Application of Trust Money.
    
          Subject to the provisions of the last paragraph of Section 1003, all
money deposited with the Trustee pursuant to Section 401 shall be held in trust
and applied by it, in accordance with the provisions of the Securities and this
Indenture, to the payment, either directly or through any Paying Agent
(including the Company acting as its own Paying Agent) as the Trustee may
determine, to the Persons entitled thereto, of the principal of, premium (if
any) and interest on or any Additional Amounts with respect to Securities of
any series for the payment of which such money has been deposited with the
Trustee.      

SECTION 403.   Discharge of Liability on Securities of Any Series.

          If this Section 403 is specified, as contemplated by Section 301, to
be applicable to Securities of any series, the Company shall be deemed to have
paid and discharged the entire indebtedness on all the Outstanding Securities of
such series, the obligation of the Company under this Indenture and the
Securities of such series to pay the principal of, premium (if any) and interest
on and any Additional Amounts with respect to Securities of such series shall
cease, terminate and be completely discharged, and the Trustee, at the expense
of the Company, shall execute proper instruments acknowledging such satisfaction
and discharge, when

          (1)  the Company has complied with the provisions of Section 401 of
     this Indenture (other than any additional conditions specified pursuant to
     Sections 301 and 401(3) and except that the Opinion of Counsel referred to
     in Section 401(5) shall state that it is based on a ruling by the Internal
     Revenue Service or other change since the date hereof under applicable
     Federal income tax law) with respect to all Outstanding Securities of such
     series,

                                      -31-
<PAGE>
 
          (2)  the Company has delivered to the Trustee a Company Request
     requesting such satisfaction and discharge,

          (3)  the Company has complied with any other conditions specified
     pursuant to Section 301 to be applicable to the discharge of Securities of
     such series pursuant to this Section 403, and

          (4)  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 discharge of the indebtedness on the
     Outstanding Securities of such series have been complied with.

          Upon the satisfaction of the conditions set forth in this Section 403
with respect to all the Outstanding Securities of any series, the terms and
conditions of such series, including the terms and conditions with respect
thereto set forth in this Indenture, shall no longer be binding upon, or
applicable to, the Company; provided that, the Company shall not be discharged
from any payment obligations in respect of Securities of such series which are
deemed not to be Outstanding under clause (iii) of the definition thereof if
such obligations continue to be valid obligations of the Company under
applicable law or pursuant to Section 305 or 306.

SECTION 404.   Reinstatement.

          If the Trustee or Paying Agent is unable to apply any money or U.S.
Government Obligations deposited with respect to Securities of any series in
accordance with Section 401 by reason of any legal proceeding or by reason of
any order or judgment of any court or governmental authority enjoining,
restraining or otherwise prohibiting such application, the Company's obligations
under this Indenture with respect to the Securities of such series and the
Securities of such series shall be revived and reinstated as though no deposit
had occurred pursuant to Section 401 until such time as the Trustee or Paying
Agent is permitted to apply all such money or U.S. Government Obligations in
accordance with Section 401; provided, however, that if the Company has made any
payment of principal of, premium (if any) or interest on or any Additional
Amounts with respect to any Securities because of the reinstatement of its
obligations, the Company shall be subrogated to the rights of the Holders of
such Securities to receive such payment from the money or U.S. Government
Obligations held by the Trustee or Paying Agent.

                                      -32-
<PAGE>
 
                                 ARTICLE FIVE

                                   REMEDIES

SECTION 501.   Events of Default.

          "Event of Default," wherever used herein with respect to Securities of
any series, means any one of the following events (whatever the reason for such
Event of Default and whether it shall be occasioned by the provisions of Article
Thirteen or be voluntary or involuntary or effected by operation of law or
pursuant to any judgment, decree or order of any court or any order, rule or
regulation of any administrative or governmental body), unless it is either
inapplicable to a particular series or it is specifically deleted or modified in
or pursuant to the supplemental indenture or Board Resolution establishing such
series of Securities or in the form of Security for such series:
    
          (1)  default in the payment of any interest on or any Additional
     Amounts with respect to any Security of that series when such interest or
     Additional Amounts become due and payable, and continuance of such default
     for a period of 30 days; or
     
          (2)  default in the payment of the principal of or premium (if any) on
     any Security of that series at its Maturity; or
    
          (3)  default in the deposit of any mandatory sinking fund payment,
     when and as due by the terms of a Security of that series, and continuance
     of such default for a period of 30 days; or
     
          (4)  default in the performance or breach of any covenant of the
     Company in this Indenture (other than a covenant a default in whose
     performance or whose breach is elsewhere in this Section 501 specifically
     dealt with or which has expressly been included in this Indenture solely
     for the benefit of one or more series of Securities other than that
     series), and continuance of such default or breach for a period of 90 days
     after there has been given, by registered or certified mail, to the Company
     by the Trustee or to the Company and the Trustee by the Holders of at least
     25% in principal amount of all Outstanding Securities 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 in an involuntary case
     or proceeding under any applicable federal or state bankruptcy, insolvency,
     reorganization or other similar law or (B) a decree or order adjudging the
     Company a bankrupt or insolvent, or approving as properly filed a petition
     seeking reorganization, arrangement, adjustment or composition of or in
     respect of the Company under any applicable federal or state law, or
     appointing a custodian, receiver, liquidator, assignee, trustee,
     sequestrator or other similar official of the Company

                                      -33-
<PAGE>
 
     or of any substantial part of its property, or ordering the winding up or
     liquidation of its affairs, and the continuance of any such decree or order
     for relief or any such other decree or order unstayed and in effect for a
     period of 90 consecutive days; or

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

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

          Notwithstanding the foregoing provisions of this Section 501, if the
principal of, premium (if any) or any interest on or any Additional Amounts with
respect to any Security is payable in a currency or currencies (including a
composite currency) other than Dollars and such currency or currencies are not
available to the Company for making payment thereof due to the imposition of
exchange controls or other circumstances beyond the control of the Company (a
"Conversion Event"), the Company will be entitled to satisfy its obligations to
Holders of the Securities by making such payment in Dollars in an amount equal
to the Dollar equivalent of the amount payable in such other currency, as
determined by the Company by reference to the Exchange Rate, as such Exchange
Rate is certified for customs purposes by the Federal Reserve Bank of New York
on the date of such payment, or, if such rate is not then available, on the
basis of the most recently available Exchange Rate.  Notwithstanding the
foregoing provisions of this Section 501, any payment made under such
circumstances in Dollars where the required payment is in a currency other than
Dollars will not constitute an Event of Default under this Indenture.

          Promptly after the occurrence of a Conversion Event with respect to
the Securities of any series, the Company shall give written notice thereof to
the Trustee; and the Trustee, promptly after receipt of such notice, shall give
notice thereof in the manner provided in Section 107 to the Holders of such
series.  Promptly after the making of any payment in Dollars as a result of a
Conversion Event with respect to the Securities of any series, the Company shall
give notice in the manner provided in Section 107 to the Holders of such series,
setting forth the applicable Exchange Rate and describing the calculation of
such payments.

                                      -34-
<PAGE>
 
SECTION 502.   Acceleration of Maturity; Rescission and Annulment.

          If an Event of Default with respect to any Securities of any series at
the time Outstanding occurs and is continuing, then in every such case the
Trustee or the Holders of not less than 25% in principal amount of the
Outstanding Securities of (i) the series affected by such default (in the case
of an Event of Default described in clause (1), (2), (3) or (7) of Section 501)
or (ii) all series of Securities (in the case of an Event of Default described
in clause (4) of Section 501) may declare the principal amount (or, if any such
Securities are Original Issue Discount Securities, such portion of the principal
amount as may be specified in the terms of that series) of all of the Securities
of the series affected by such default or all series, as the case may be, 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 amount shall
become immediately due and payable. If an Event of Default described in clause
(5) or (6) of Section 501 shall occur, the principal amount of the Outstanding
Securities of all series ipso facto shall become and be immediately due and
payable without any declaration or other act on the part of the Trustee or any
Holder.

          At any time after such a declaration of acceleration with respect to
Securities of any series (or of all series, as the case may be) 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 (or of
all series, as the case may be), by written notice to the Company and the
Trustee, may rescind and annul such declaration and its consequences if

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

               (A)  all overdue interest on, and any Additional Amounts with
          respect to, all Securities of that series (or of all series, as the
          case may be),

               (B)  the principal of or premium (if any) on any Securities of
          that series (or of all series, as the case may be) which have become
          due otherwise than by such declaration of acceleration and interest
          thereon at the rate or rates prescribed therefor in such Securities
          (in the case of Original Issue Discount Securities, the Securities'
          Yield to Maturity),

               (C)  to the extent that payment of such interest is lawful,
          interest upon overdue interest and any Additional Amounts at the rate
          or rates prescribed therefor in such Securities (in the case of
          Original Issue Discount Securities, the Securities' Yield to
          Maturity), and

                                      -35-
<PAGE>
 
               (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 all other amounts due the Trustee
          under Section 607;

     and

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

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

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

          The Company covenants that if

          (1)  default is made in the payment of any installment of interest on,
     or any Additional Amounts with respect to, any Security of any series when
     such interest or Additional Amounts shall have become due and payable and
     such default continues for a period of 60 days, or

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

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

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

                                      -36-
<PAGE>
 
          If an Event of Default with respect to Securities of any series occurs
and is continuing, the Trustee may in its discretion proceed to protect and
enforce its rights and the rights of the Holders of Securities of such series by
such appropriate judicial proceedings as the Trustee shall deem most effectual
to protect and enforce any such rights, whether for the specific enforcement of
any covenant or agreement in this Indenture or in aid of the exercise of any
power granted herein, or to enforce any other proper remedy.

SECTION 504.   Trustee May File Proofs of Claim.

          In case of the pendency of any receivership, insolvency, liquidation,
bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to the Company or any other obligor upon the
Securities or the property of the Company or of such other obligor or their
creditors, the Trustee (irrespective of whether the principal (or lesser amount
in the case of Original Issue Discount Securities) 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 of, premium (if any), interest on or any
Additional Amounts with respect to such Securities) shall be entitled and
empowered, by intervention in such proceeding or otherwise,

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

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

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

          Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof or to authorize the Trustee to vote in
respect of the claim of any Holder in any such proceedings; provided, however,

                                      -37-
<PAGE>
 
that the Trustee may, on behalf of the Holders, vote for the election of a
trustee in bankruptcy or similar official.

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

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

SECTION 506.   Application of Money Collected.

          Subject to Article Thirteen, 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 of, premium (if any) or interest on or any Additional
Amounts with respect to any Securities, upon presentation of the Securities, and
the notation thereon of the payment if only partially paid and upon surrender
thereof if fully paid:

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

          SECOND: To the payment of the amounts then due and unpaid for
     principal of, premium (if any) and interest on and any Additional Amounts
     with respect to such 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 of, premium (if any), interest on and Additional
     Amounts, respectively; and

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

          To the fullest extent allowed under applicable law, if for the purpose
of obtaining judgment against the Company in any court it is necessary to
convert the sum due in respect of the principal of, premium (if any) or interest
on or any Additional Amounts with respect to the Securities of any series (the
"Required Currency") into a currency in which a judgment will be rendered (the
"Judgment Currency"), the rate of exchange used shall be the rate at which in
accordance with normal banking procedures the Trustee could purchase in The City
of New York the Required Currency with the Judgment Currency on the New York
Business Day next preceding that on which final judgment is given.  Neither the
Company nor the Trustee shall be liable for any shortfall nor shall it benefit
from any windfall in payments to Holders of Securities under this Section 506
caused by a change in exchange rates between the time the amount of a judgment
against it is calculated as

                                      -38-
<PAGE>
 
above and the time the Trustee converts the Judgment Currency into the Required
Currency to make payments under this Section 506 to Holders of Securities, but
payment of such judgment shall discharge all amounts owed by the Company on the
claim or claims underlying such judgment.

SECTION 507.   Limitation on Suits.

          Subject to Section 508, no Holder of any Security of any series shall
have any right to institute any proceeding, judicial or otherwise, with respect
to this Indenture, or for the appointment of a receiver or trustee, or for any
other remedy hereunder, unless

          (1)  an Event of Default with respect to Securities of such series
     shall have occurred and be continuing and such Holder has previously given
     written notice to the Trustee of such continuing Event of Default;

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

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

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

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

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

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

          Notwithstanding any other provision in this Indenture, the Holder of
any Security shall have the right, which is absolute and unconditional, to
receive payment of the principal of, premium (if any) and (subject to Section
307) interest on or any Additional Amounts with respect to such Security on the
Stated Maturity or Maturities expressed in such Security (or, in the case of
redemption, on the Redemption Date) and to institute suit for the enforcement of
any such payment

                                      -39-
<PAGE>
 
     
on or after such dates, and such rights shall not be impaired or affected
without the consent of such Holder.      

SECTION 509.   Restoration of Rights and Remedies.

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

SECTION 510.   Rights and Remedies Cumulative.

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

SECTION 511.   Delay or Omission Not Waiver.

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

SECTION 512.   Control by Holders.

          With respect to Securities of any series, the Holders of a majority in
principal amount of the Outstanding Securities of such 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, relating to or arising under an Event of Default described in
clause (1), (2), (3) or (7) of Section 501, and with respect to all Securities
the Holders of a majority in principal amount of all Outstanding Securities
shall have the right to direct the time, method and place of conducting any
remedy available to the Trustee, or exercising any trust or power conferred

                                      -40-
<PAGE>
 
on the Trustee, not relating to or arising under such an Event of Default,
provided that in each such case

          (1)  the Trustee shall have the right to decline to follow any such
     direction if the Trustee, being advised by counsel, determines that the
     action so directed may not lawfully be taken or would conflict with this
     Indenture or if the Trustee in good faith shall, by a Responsible Officer,
     determine that the proceedings so directed would involve it in personal
     liability or be unjustly prejudicial to the Holders not taking part in such
     direction, and

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

SECTION 513.   Waiver of Past Defaults.

          Subject to Sections 508 and 902, the Holders of 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, and the Holders of a
majority in principal amount of all Outstanding Securities may on behalf of the
Holders of all Securities waive any other past default hereunder and its
consequences, except in each case a default

          (1)  in the payment of the principal of, premium (if any) or interest
     on or any Additional Amounts with respect to any Security, or

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

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

SECTION 514.   Undertaking for Costs.

          All parties to this Indenture agree, and each Holder of any Security
by his acceptance thereof shall be deemed to have agreed, that any court may in
its discretion require, in any suit for the enforcement of any right or remedy
under this Indenture, or in any suit against the Trustee for any action taken or
omitted by it as Trustee, the filing by any party litigant in such suit of 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.  The
provisions of this Section 514 shall not apply to any suit instituted by the
Company, by the Trustee, by any Holder or group of Holders holding in the
aggregate more than 10% in principal amount of the

                                      -41-
<PAGE>
 
Outstanding Securities of any series, or by any Holder for the enforcement of
the payment of the principal of, premium (if any) or interest on or any
Additional Amounts with respect to any Security on or after the Stated Maturity
or Maturities expressed in such Security (or, in the case of redemption, on or
after the Redemption Date).

SECTION 515.   Waiver of Stay or Extension Laws.

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

                                  ARTICLE SIX

                                  THE TRUSTEE

SECTION 601.   Certain Duties and Responsibilities.

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

               (1)  the Trustee undertakes to perform 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
          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 that by any provision hereof are specifically required to be
          furnished to the Trustee, the Trustee shall be under a duty to examine
          the same to determine whether or not they conform to the requirements
          of this Indenture.

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

                                      -42-
<PAGE>
 
          (c)  No provision of this Indenture shall be construed to relieve the
     Trustee from liability for its own negligent action, its own negligent
     failure to act or its own willful misconduct, except that

               (1)  this Subsection shall not be construed to limit the effect
          of Subsection (a) of this Section 601;

               (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
          it takes or omits to take in good faith in accordance with the
          direction of the Holders of a majority in principal amount of the
          Outstanding Securities of any series or of all series, determined as
          provided in Section 512, relating to the time, method and place of
          conducting any proceeding for any remedy available to the Trustee, or
          exercising any trust or power conferred upon the Trustee, under this
          Indenture with respect to the Securities of such series; and

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

          (d)  Whether or not therein expressly so provided, every provision of
     this Indenture relating to the conduct or affecting the liability of or
     affording protection to the Trustee shall be subject to the provisions of
     this Section 601.

SECTION 602.   Notice of Defaults.

          Within 90 days after the occurrence of any Default or Event of Default
with respect to the Securities of any series, the Trustee shall give notice of
such Default or Event of Default known to the Trustee to all Holders of
Securities of such series in the manner provided in Section 107, unless such
default shall have been cured or waived; provided, however, that, except in the
case of a Default or Event of Default in the payment of the principal of,
premium (if any) or interest on or any Additional Amounts with respect to any
Security of such series or in the payment of any sinking fund installment with
respect to 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 or Event of Default of the character specified
in Section 501

                                      -43-
<PAGE>

    
(4) with respect to Securities of such series, no such notice to Holders shall
be given until at least 30 days after the occurrence thereof.
     

SECTION 603.   Certain Rights of Trustee.

          Subject to the provisions of Section 601:

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

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

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

          (d)  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;

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

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

          (g)  the Trustee may execute any of the trusts or powers hereunder or
     perform any duties hereunder either directly or by or through agents or
     attorneys and, except for any

                                      -44-
<PAGE>
 
     Affiliates of the Trustee, 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;

          (h)  the Trustee shall not be charged with knowledge of any Default or
     Event of Default with respect to the Securities of any series for which it
     is acting as Trustee unless either (1) a Responsible Officer shall have
     actual knowledge of such Default or Event of Default or (2) written notice
     of such Default or Event of Default shall have been given to the Trustee by
     the Company or any other obligor on such Securities or by any Holder of
     such Securities; and

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

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

          The recitals contained herein and in the Securities, except the
Trustee's certificates of authentication, shall be taken as the statements of
the Company, and the Trustee 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 shall not be accountable for the
use or application by the Company of Securities or the proceeds thereof.

SECTION 605.   May Hold Securities.

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

SECTION 606.   Money Held in Trust.

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

SECTION 607.   Compensation and Reimbursement.

          The Company agrees

                                      -45-
<PAGE>
 
          (1)  to pay to the Trustee from time to time reasonable compensation
     for all services rendered by it hereunder (which compensation shall not be
     limited by any provision of law in regard to the compensation of a trustee
     of an express trust);

          (2)  except as otherwise expressly provided herein, to reimburse the
     Trustee upon its request for all reasonable expenses, disbursements and
     advances incurred or made by the Trustee in accordance with any provision
     of this Indenture (including the reasonable compensation and the reasonable
     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 and each of its directors, officers,
     employees, agents and/or representatives for, and to hold each of them
     harmless against, any loss, liability or expense incurred without
     negligence or bad faith on each of their 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 themselves against
     any claim or liability in connection with the exercise or performance of
     any of the Trustees' powers or duties hereunder.

          As security for the performance of the obligations of the Company
under this Section 607, the Trustee shall have a lien prior to the Securities on
all property and funds held or collected by the Trustee as such, except funds
held in trust for the payment of principal of, premium (if any) or interest on
or any Additional Amounts with respect to particular Securities.

          Any expenses and compensation for any services rendered by the Trustee
after the occurrence of an Event of Default specified in clause (5) or (6) of
Section 501 shall constitute expenses and compensation for services of
administration under all applicable federal or state bankruptcy, insolvency,
reorganization or other similar laws.

          The provisions of this Section 607 and any lien arising hereunder
shall survive the resignation or removal of the Trustee or the discharge of the
Company's obligations under this Indenture and the termination of this
Indenture.

SECTION 608.   Disqualification; Conflicting Interests.

     (a)  If the Trustee has or shall acquire any conflicting interest, as
defined in this Section 608, 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 608 with respect to the Securities of any
series, the Trustee shall, within 10 days after

                                      -46-
<PAGE>
 
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 608, the term "conflicting interest"
shall have the meaning specified in Section 310(b) of the Trust Indenture Act
and the Trustee shall comply with Section 310(b) of the Trust Indenture Act;
provided, that there shall be excluded from the operation of Section 310 (b) (1)
of the Trust Indenture Act with respect to the Securities of any series any
indenture or indentures under which other securities, or certificates of
interest or participation in other securities, of the Company are outstanding,
if the requirements for such exclusion set forth in Section 310(b) (1) of the
Trust Indenture Act are met.  For purposes of the preceding sentence, the
optional provision permitted by the second sentence of Section 310 (b) (9) of
the Trust Indenture Act shall be applicable.

SECTION 609.   Corporate Trustee Required; Eligibility.

          There shall at all times be a Trustee hereunder which shall be a
corporation organized and doing business under the laws of the United States of
America, any State thereof or the District of Columbia, authorized under such
laws to exercise corporate trust powers, having a combined capital and surplus
of at least $50 million and subject to supervision or examination by federal or
state (or the District of Columbia) authority.  If such corporation publishes
reports of condition at least annually, pursuant to law or to the requirements
of said supervising or examining authority, then for the purposes of this
Section 609, the combined capital and surplus of such corporation shall be
deemed to be its combined capital and surplus as set forth in its most recent
report of condition so published.  If at any time the Trustee shall cease to be
eligible in accordance with the provisions of this Section 609, it shall resign
immediately in the manner and with the effect hereinafter specified in this
Article.

          The Indenture shall always have a Trustee who satisfies the
requirements of Sections 310(a)(1), 310(a)(2) and 310(a)(5) of the Trust
Indenture Act.

SECTION 610.   Resignation and Removal; Appointment of Successor.

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

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

                                      -47-
<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 608(a) after
     written request therefor by the Company or by any Holder who has been a
     bona fide Holder of a Security for at least six months, or

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

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

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

     (e)  If the Trustee shall resign, be removed or become incapable of acting,
or if a vacancy shall occur in the office of Trustee for any cause, with respect
to the Securities of one or more series, the Company, by a Board Resolution,
shall promptly appoint a successor Trustee or Trustees with respect to the
Securities of that or those series (it being understood that any such successor
Trustee may be appointed with 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 such successor Trustee or Trustees
shall comply with the applicable requirements of Section 611.  If no successor
Trustee with respect to the Securities of any series shall have been so
appointed by the Company and accepted appointment in the manner required by
Section 611, any Holder who has been a bona fide Holder of a Security of such
series for at least six months may, on behalf of himself and all others
similarly situated, petition any court of competent jurisdiction for the
appointment of a successor Trustee with respect to the Securities of such
series.

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

                                      -48-
<PAGE>
 
Security Register.  Each notice shall include the name of the successor Trustee
with respect to the Securities of such series and the address of its Corporate
Trust Office.

SECTION 611.   Acceptance of Appointment by Successor.

     (a)  In case of the appointment hereunder of a successor Trustee with
respect to all Securities, every such successor Trustee so appointed shall
execute, acknowledge and deliver to the Company and to the retiring Trustee an
instrument accepting such appointment, and thereupon the resignation or removal
of the retiring Trustee shall become effective and 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 and that each such Trustee shall be trustee of a trust or trusts
hereunder separate and apart from any trust or trusts hereunder administered by
any other such Trustee; and upon the execution and delivery of such supplemental
indenture, the resignation or removal of the retiring Trustee shall become
effective to the extent provided therein and each such successor Trustee,
without any further act, deed or conveyance, shall become vested with all the
rights, powers, trusts and duties of the retiring Trustee with respect to the
Securities of that or those series to which the appointment of such successor
Trustee relates; but, on request of the Company or any successor Trustee, such
retiring Trustee shall duly assign, transfer and deliver to such successor
Trustee all property and money held by such retiring Trustee hereunder with
respect to the Securities of that or those series to which the appointment of
such successor Trustee relates.

                                      -49-
<PAGE>
 
     (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 611, 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 612.   Merger, Conversion, Consolidation or Succession to Business.

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

SECTION 613.   Preferential Collection of Claims Against Company.

          The Trustee shall comply with Section 311(a) of the Trust Indenture
Act, excluding any creditor relationship described in Section 311 (b) of the
Trust Indenture Act.  A Trustee who has resigned or been removed shall be
subject to Section 311 (a) of the Trust Indenture Act to the extent indicated
therein.

SECTION 614.   Appointment of Authenticating Agent.

          The Trustee may appoint an Authenticating Agent or Agents that shall
be authorized to act on behalf of the Trustee to authenticate Securities issued
upon original issue and upon exchange, registration of transfer or partial
redemption or pursuant to Section 306, and Securities so authenticated shall be
entitled to the benefits of this Indenture and shall be valid and obligatory for
all purposes as if authenticated by the Trustee hereunder.  Wherever reference
is made in this Indenture to the authentication and delivery of Securities by
the Trustee or the Trustee's certificate of authentication, such reference shall
be deemed to include authentication and delivery on behalf of the Trustee by an
Authenticating Agent and a certificate of authentication executed on behalf of
the Trustee by an Authenticating Agent.  Each Authenticating Agent shall be
acceptable to the Company and shall at all times be a corporation organized and
doing business under the laws of the United States of America, any state thereof
or the District of Columbia, having a combined capital and surplus of not less
than $50 million or equivalent amount expressed in a foreign currency and
subject to supervision or examination by federal or state (or the District of
Columbia) authority or

                                      -50-
<PAGE>
 
authority of such country. 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 614,
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 614, such
Authenticating Agent shall resign immediately in the manner and with the effect
specified in this Section 614.

          Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating Agent
shall be a party, or any corporation succeeding to the corporate agency or
corporate trust business of an Authenticating Agent, shall continue to be an
Authenticating Agent, provided such corporation shall be otherwise eligible
under this Section 614, without the execution or filing of any paper or any
further act on the part of the Trustee or the Authenticating Agent.

          An Authenticating Agent may resign at any time by giving written
notice thereof to the Trustee and to the Company.  The Trustee may at any time
terminate the agency of an Authenticating Agent by giving written notice thereof
to such Authenticating Agent and to the Company.  Upon receiving such a notice
of resignation or upon such a termination, or in case at any time such
Authenticating Agent shall cease to be eligible in accordance with the
provisions of this Section 614, 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 as their names and addresses appear in the Security Register.  Any
successor Authenticating Agent upon acceptance of its appointment hereunder
shall become vested with all the rights, powers and duties of its predecessor
hereunder, with like effect as if originally named as an Authenticating Agent.
No successor Authenticating Agent shall be appointed unless eligible under the
provisions of this Section 614.

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

          If an appointment is made pursuant to this Section 614, the Securities
may have endorsed thereon, in addition to the Trustee's certificate of
authentication, an alternate certificate of authentication in the following
form:

                                      -51-
<PAGE>
 
          This is one of the Securities of the series designated therein
referred to in the within-mentioned Indenture.

 
                              -------------------------------------------------
                                    As Trustee

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

                              By
                                -----------------------------------------------
                                    Authorized Signatory


          Notwithstanding any provision of this Section 614 to the contrary, if
at any time any Authenticating Agent appointed hereunder with respect to any
series of Securities shall not also be acting as the Security Registrar
hereunder with respect to any series of Securities, then, in addition to all
other duties of an Authenticating Agent hereunder, such Authenticating Agent
shall also be obligated:  (i) to furnish to the Security Registrar promptly all
information necessary to enable the Security Registrar to maintain at all times
an accurate and current Security Register; and (ii) prior to authenticating any
Security denominated in a foreign currency, to ascertain from the Company the
units of such foreign currency that are required to be determined by the Company
pursuant to Section 302.

                                 ARTICLE SEVEN

               HOLDER'S LISTS AND REPORTS BY TRUSTEE AND COMPANY

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

          With respect to each series of Securities, the Company will furnish or
cause to be furnished to the Trustee:

     (a)  semi-annually, not more than 15 days after each Regular Record Date
relating to that series (or, if there is no Regular Record Date relating to that
series, on January 1 and July 1), a list, in such form as the Trustee may
reasonably require, of the names and addresses of the Holders of that series as
of such dates, and

     (b)  at such other times as the Trustee may request in writing, within
30 days after the receipt by the Company of any such request, a list of similar
form and content, such list to be dated as of a date not more than 15 days prior
to the time such list is furnished; provided, that so long as the Trustee is the
Security Registrar, the Company shall not be required to furnish or cause to be

                                      -52-
<PAGE>
 
furnished such a list to the Trustee.  The Company shall otherwise comply with
Section 310(a) of the Trust Indenture Act.

SECTION 702.   Preservation of Information; Communications to Holders.

     (a)  The Trustee shall preserve, in as current a form as is reasonably
practicable, the names and addresses of Holders of each series contained in the
most recent list furnished to the Trustee as provided in Section 701 and the
names and addresses of Holders of each series received by the Trustee in its
capacity as Security Registrar.  The Trustee may destroy any list furnished to
it as provided in Section 701 upon receipt of a new list so furnished.  The
Trustee shall otherwise comply with Section 310(a) of the Trust Indenture Act.

     (b)  Holders of Securities may communicate pursuant to Section 312 (b) of
the Trust Indenture Act with other Holders with respect to their rights under
this Indenture or under the Securities.  The Company, the Trustee, the Security
Registrar and any other Person shall have the protection of Section 312(c) of
the Trust Indenture Act.

SECTION 703.   Reports by Trustee.

     (a)  Within 60 days after May 15 of each year after the execution of this
Indenture, the Trustee shall transmit by mail to Holders a brief report dated as
of such May 15 that complies with Section 313(a) of the Trust Indenture Act.
The Trustee shall comply with Section 313 (b) of the Trust Indenture Act.  The
Trustee shall transmit by mail all reports as required by Sections 313(c) and
313(d) of the Trust Indenture Act.

     (b)  A copy of each report pursuant to Subsection (a) of this Section 703
shall, at the time of its transmission to Holders, be filed by the Trustee with
each stock exchange upon which any Securities are listed, with the Commission
and with the Company.  The Company will notify the Trustee when any Securities
are listed on any stock exchange.

SECTION 704.   Reports by Company.

          The Company shall file with the Trustee, within 15 days after the
Company is required to file the same with the Commission, copies of the annual
reports and of the information, documents and other reports (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, and shall otherwise comply with Section 314(a)
of the Trust Indenture Act.

                                      -53-
<PAGE>
 
                                ARTICLE EIGHT

             CONSOLIDATION, MERGER, CONVEYANCE, TRANSFER OR LEASE

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

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

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

          (2)  immediately after giving effect to such transaction, and treating
     any indebtedness that becomes Indebtedness of the Company or a Subsidiary
     of the Company as a result of such transaction as having been incurred by
     the Company or such Subsidiary at the time of such transaction, no Default
     or Event of Default, shall have happened and be continuing; and

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

SECTION 802.   Successor Person Substituted.

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

                                      -54-
<PAGE>
 
                                 ARTICLE NINE

                            SUPPLEMENTAL INDENTURES

SECTION 901.   Supplemental Indentures Without Consent of Holders.

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

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

          (2)  to add to the covenants of the Company for the benefit of the
     Holders of all or any series of Securities (and if such covenants are to be
     for the benefit of less than all series of Securities, stating that such
     covenants are expressly being included solely for the benefit of such
     series) to convey, transfer, assign, mortgage or pledge any property to or
     with the Trustee or otherwise secure any series of the Securities or to
     surrender any right or power herein conferred upon the Company; or

          (3)  to add any additional Events of Default with respect to all or
     any series of the Securities (and, if such Event of Default is applicable
     to less than all series of Securities, specifying the series to which such
     Event of Default is applicable); or

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

          (5)  to secure the Securities; or

          (6)  to supplement any of the provisions of this Indenture to such
     extent as shall be necessary to permit or facilitate the defeasance and
     discharge of any series of Securities pursuant to Section 401; provided,
     however, that any such action shall not adversely affect the interest of
     the Holders of Securities of such series or any other series of Securities
     in any material respect; or

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

                                      -55-
<PAGE>
 
          (8)  to evidence and provide for the acceptance of appointment
     hereunder by a successor Trustee with respect to the Securities of one or
     more series and to add to or change any of the provisions of this Indenture
     as shall be necessary to provide for or facilitate the administration of
     the trusts hereunder by more than one Trustee, pursuant to the requirements
     of Section 611(b); or

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

SECTION 902.   Supplemental Indentures With Consent of Holders.

          With the consent of the Holders of a majority in principal amount of
the Outstanding Securities of all series affected by such supplemental indenture
(acting as one class), by Act of said Holders delivered to the Company and the
Trustee, the Company, when authorized by a Board Resolution, and the Trustee may
enter into an indenture or indentures supplemental hereto for the purpose of
adding any provisions to or changing in any manner or eliminating any of the
provisions of this Indenture or of modifying in any manner the rights of the
Holders of Securities of such series under this Indenture; provided, however,
that no such supplemental indenture shall, without the consent of the Holder of
each Outstanding Security affected thereby,

          (1)  change the Stated Maturity of the principal of, or any
     installment of principal of or interest on, any Security, or reduce the
     principal amount thereof or the rate of interest thereon, any Additional
     Amounts with respect thereto or any premium payable upon the redemption
     thereof, or change any obligation of the Company to pay Additional Amounts
     (except as contemplated by Section 801(1) and permitted by Section 901(1)),
     or reduce the amount of the principal of an Original Issue Discount
     Security that would be due and payable upon a declaration of acceleration
     of the Maturity thereof pursuant to Section 502, or change any Place of
     Payment where, or the coin or currency or currencies (including composite
     currencies) in which, any Security or any premium or any interest thereon
     or Additional Amounts with respect thereto is payable, or impair the right
     to institute suit for the enforcement of any such payment on or after the
     Stated Maturity thereof (or, in the case of redemption, on or after the
     Redemption Date), or modify the provisions of this Indenture with respect
     to the subordination of any Security in a manner adverse to the holder
     thereof,

          (2)  reduce the percentage in principal amount of Outstanding
     Securities, 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

                                      -56-
<PAGE>
 
          (3)  modify any of the provisions of this Section 902, Section 513 or
     Section 1006, except to increase any such percentage or to provide with
     respect to any particular series the right to condition the effectiveness
     of any supplemental indenture as to that series on the consent of the
     Holders of a specified percentage of the aggregate principal amount of
     Outstanding Securities of such series (which provision may be made pursuant
     to Section 301 without the consent of any Holder) or to provide that
     certain other provisions of this Indenture cannot be modified or waived
     without the consent of the Holder of each Outstanding Security affected
     thereby, provided, however, that this clause shall not be deemed to require
     the consent of any Holder with respect to changes in the references to "the
     Trustee" and concomitant changes in this Section 902 and Section 1006, or
     the deletion of this proviso, in accordance with the requirements of
     Section 611 (b) and Section 901(7).

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

          It shall not be necessary for any Act of Holders under this
Section 902 to approve the particular form of any proposed supplemental
indenture, but it shall be sufficient if such Act shall approve the substance
thereof.

SECTION 903.   Execution of Supplemental Indentures.

          In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby of
the trusts created by this Indenture, the Trustee shall be entitled to receive,
and (subject to Section 601) shall be fully protected in relying upon 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, immunities or liabilities under this Indenture or
otherwise.

SECTION 904.   Effect of Supplemental Indentures.

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

SECTION 905.   Conformity With Trust Indenture Act.

                                      -57-
<PAGE>
 
          Every supplemental indenture executed pursuant to this Article shall
conform to the requirements of the Trust Indenture Act as then in effect.

SECTION 906.   Reference in Securities to Supplemental Indentures.

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

                                  ARTICLE TEN

                                   COVENANTS

SECTION 1001.  Payment of Principal, Premium and Interest.

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

SECTION 1002.  Maintenance of Office or Agency.

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

          The Company may also from time to time designate one or more other
offices or agencies where the Securities of one or more series may be presented
or surrendered for any or all such purposes and may from time to time rescind
such designations; provided, however, that no such designation or rescission
shall in any manner relieve the Company of its obligation to maintain an office
or agency in each Place of Payment for Securities of any series for such
purposes.  The

                                      -58-
<PAGE>
 
Company will give prompt written notice to the Trustee of any such designation
or rescission and of any change in the location of any such other office or
agency.

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

          If the Company shall at any time act as its own Paying Agent with
respect to any series of Securities, it will, on or before each due date of the
principal of, premium (if any) or interest on or any Additional Amounts with
respect to 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, premium (if any) or interest or any Additional Amounts so becoming
due until such sums shall be paid to such Persons or otherwise disposed of as
herein provided and will promptly notify the Trustee of its action or failure so
to act.

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

          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 1003, that such Paying Agent will:

          (1)  hold all sums held by it for the payment of the principal of,
     premium (if any) or interest on or any Additional Amounts with respect to
     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 of, premium (if any) or interest on or any Additional
     Amounts with respect to 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 sums were held by the Company

                                      -59-
<PAGE>
 
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, premium (if any)
or interest on or any Additional Amounts with respect to any Security of any
series and remaining unclaimed for three years after such principal of, premium
(if any) or interest on or any Additional Amounts with respect to any Securities
have become due and payable shall, unless otherwise required by mandatory
provisions of applicable escheat, or abandoned or unclaimed property law, 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 an Authorized Newspaper in The Borough of Manhattan, The
City of New York and in such other Authorized Newspapers as the Trustee shall
deem appropriate, notice that such money remains unclaimed and that, after a
date specified herein, which shall not be less than 30 days from the date of
such publication, any unclaimed balance of such money then remaining will,
unless otherwise required by mandatory provisions of applicable escheat, or
abandoned or unclaimed property law, be repaid to the Company.

SECTION 1004.   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.

SECTION 1005.   Statement by Officers as to Default.

          The Company will deliver to the Trustee, within 120 days after the end
of each fiscal year of the Company ending after the date hereof so long as any
Security is outstanding hereunder, an Officers' Certificate, complying with
Section 314(a)(4) of the Trust Indenture Act and stating that a review of the
activities of the Company during such year and of performance under this
Indenture has been made under the supervision of the signers thereof and whether
or not to the best of their knowledge, based upon such review, the Company is in
default in the performance, observance or fulfillment of any of its covenants
and other obligations under this Indenture, and if the Company shall be in
default, specifying each such default known to them and the nature and status
thereof. One of the officers signing the Officers' Certificate delivered
pursuant to this Section 1005 shall be the principal executive, financial or
accounting officer of the Company.

          For purposes of this Section 1005, such compliance shall be determined
without regard to any period of grace or requirement of notice provided under
this Indenture.

                                      -60-
<PAGE>
 
SECTION 1006. Waiver of Certain Covenants.

          The Company may omit in any particular instance to comply with any
covenant or condition set forth in Sections 1001 through 1005, inclusive, or
any covenant added for the benefit of any series of Securities as contemplated
by Section 301 (unless otherwise specified pursuant to Section 301) if before or
after the time for such compliance the Holders of a majority in principal amount
of the Outstanding Securities of all series affected by such omission (acting as
one class) shall, by Act of such Holders, either waive such compliance in such
instance or generally waive compliance with such covenant or condition, but no
such waiver shall extend to or affect such covenant or condition except to the
extent so expressly waived, and, until such waiver shall become effective, the
obligations of the Company and the duties of the Trustee in respect of any such
covenant or condition shall remain in full force and effect.

SECTION 1007. Additional Amounts.

          If the Securities of a series expressly provide for the payment of
Additional Amounts, the Company will pay to the Holder of any Security of such
series Additional Amounts as expressly provided therein. Whenever in this
Indenture there is mentioned, in any context, the payment of the principal of,
or premium (if any) or interest on any Security of any series or the net
proceeds received from the sale or exchange of any Security of any series, such
mention shall be deemed to include mention of the payment of Additional Amounts
provided for in this Section 1007 to the extent that, in such context,
Additional Amounts are, were or would be payable in respect thereof pursuant to
the provisions of this Section 1007 and express mention of the payment of
Additional Amounts (if applicable) in any provisions hereof shall not be
construed as excluding Additional Amounts in those provisions hereof where such
express mention is not made.

          If the Securities of a series provide for the payment of Additional
Amounts, at least 10 days prior to the first Interest Payment Date with respect
to that series of Securities (or if the Securities of that series will not bear
interest prior to Maturity, the first day on which a payment of principal and
any premium is made), and at least 10 days prior to each date of payment of
principal and any premium or interest if there has been any change with respect
to the matters set forth in the below-mentioned Officers' Certificate, the
Company shall furnish the Trustee and the Company's principal Paying Agent or
Paying Agents, if other than the Trustee, with an Officers' Certificate
instructing the Trustee and such Paying Agent or Paying Agents whether such
payment of principal of and any premium or interest on the Securities of that
series shall be made to Holders of Securities of that series who are United
States Aliens without withholding for or on account of any tax, assessment or
other governmental charge described in the Securities of that series. If any
such withholding shall be required, then such Officers' Certificate shall
specify by country the amount, if any, required to be withheld on such payments
to such Holders of Securities and the Company will pay to such Paying Agent the
Additional Amounts required by this Section 1007. The Company covenants to
indemnify the Trustee and any Paying Agent for, and to hold them harmless
against any loss, liability or expense reasonably incurred without negligence or
bad faith on their part arising out

                                      -61-
<PAGE>
 
of or in connection with actions taken or omitted by any of them in reliance on
any Officers' Certificate furnished pursuant to this Section 1007.

                                ARTICLE ELEVEN

                           REDEMPTION OF SECURITIES

SECTION 1101. Applicability of Article.

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

SECTION 1102. Election to Redeem; Notice to Trustee.
    
          Unless otherwise provided with respect to the Securities of a series
as contemplated by Section 301, the election of the Company to redeem any
Securities shall be evidenced by a Board Resolution. In case of any redemption
at the election of the Company of less than all the Securities of any series,
the Company shall, within a reasonable period prior to the Redemption Date fixed
by the Company, notify the Trustee of such Redemption Date and of the principal
amount of Securities of such series to be redeemed. In the case of any
redemption of Securities prior to the expiration of any restriction on such
redemption provided in the terms of such Securities or elsewhere in this
Indenture, the Company shall furnish the Trustee with an Officers' Certificate
evidencing compliance with such restriction.      

SECTION 1103. Selection by Trustee of Securities to be Redeemed

          If less than all the Securities of any series 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 that may provide for the selection for
redemption of portions (equal to the minimum authorized denomination for
Securities of that series or any integral multiple thereof) of the principal
amount of Securities of such series of a denomination larger than the minimum
authorized denomination for Securities of that series or of the principal amount
of global Securities of such series.

          The Trustee shall promptly notify the Company and the Security
Registrar 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

                                      -62-
<PAGE>
 
redeemed only in part, to the portion of the principal amount of such Securities
which has been or is to be redeemed.

SECTION 1104. Notice of Redemption.

          Notice of redemption shall be given in the manner provided in Section
107 to each Holder of Securities to be redeemed not less than 30 nor more than
60 days prior to the Redemption Date.

          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,

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

          (7) the "CUSIP" number, if applicable.

          A notice of redemption as contemplated by Section 107 need not
identify particular Securities to be redeemed. Notice of redemption of
Securities to be redeemed at the election of the Company shall be given by the
Company or, at the Company's request, by the Trustee in the name and at the
expense of the Company.

SECTION 1105. Deposit of Redemption Price.

          On or before 10:00 a.m., New York City time, on any Redemption Date,
the Company shall deposit with the Trustee or with a Paying Agent (or, if the
Company is acting as its own Paying Agent, segregate and hold in trust as
provided in Section 1003) an amount of money sufficient to pay the Redemption
Price of, and (except if the Redemption Date shall be an Interest

                                      -63-
<PAGE>
 
Payment Date) accrued interest on, and any Additional Amounts with respect to,
all the Securities which are to be redeemed on that date.

SECTION 1106. Securities Payable on Redemption Date.

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

          If any Security called for redemption shall not be so paid upon
surrender thereof for redemption, the principal of and premium (if any) shall,
until paid, bear interest from the Redemption Date at the rate prescribed
therefor in the Security or, in the case of Original Issue Discount Securities,
the Securities' Yield to Maturity.

SECTION 1107. Securities Redeemed in Part.

          Any Security which is to be redeemed only in part shall be surrendered
at a Place of Payment therefor (with, if the Company or the Trustee so requires,
due endorsement by, or a written instrument of transfer in form satisfactory to
the Company and the Trustee duly executed by, the Holder thereof or his attorney
duly authorized in writing), and the Company shall execute, and the Trustee
shall authenticate and deliver to the Holder of such Security without service
charge, a new Security or Securities of the same series and Stated Maturity, 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.

          Unless otherwise specified as contemplated by Section 301, the Company
and any Affiliate of the Company may at any time purchase or otherwise acquire
Securities in the open market or by private agreement. Such acquisition shall
not operate as or be deemed for any purpose to be a redemption of the
indebtedness represented by such Securities. Any Securities purchased or
acquired by the Company may be delivered to the Trustee and, upon such delivery,
the indebtedness represented thereby shall be deemed to be satisfied. Section
309 shall apply to all Securities so delivered.

                                      -64-
<PAGE>
 
                                ARTICLE TWELVE

                                 SINKING FUNDS

SECTION 1201. Applicability of Article.

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

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

SECTION 1202. Satisfaction of Sinking Fund Payments with Securities.

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

SECTION 1203. Redemption of Securities for Sinking Fund.

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

                                      -65-
<PAGE>
 
of and at the expense of the Company in the manner provided in Section 1104.
Such notice having been duly given, the redemption of such Securities shall be
made upon the terms and in the manner stated in Sections 1106 and 1107.

                               ARTICLE THIRTEEN

                                 SUBORDINATION

SECTION 1301. Securities Subordinated to Senior Indebtedness.

          The Company and each Holder of a Security, by his acceptance thereof,
agree that (a) the payment of the principal of, premium (if any) and interest on
and any Additional Amounts with respect to each and all the Securities and (b)
any other payment in respect of the Securities, including on account of the
acquisition or redemption of Securities by the Company, is subordinated, to the
extent and in the manner provided in this Article Thirteen, to the prior payment
in full of all Senior Indebtedness of the Company, whether outstanding at the
date of this Indenture or thereafter created, incurred, assumed or guaranteed,
and that these subordination provisions are for the benefit of the holders of
Senior Indebtedness.

          This Article Thirteen shall constitute a continuing offer to all
Persons who, in reliance upon such provisions, become holders of, or continue to
hold, Senior Indebtedness, and such provisions are made for the benefit of the
holders of Senior Indebtedness, and such holders are made obligees hereunder and
any one or more of them may enforce such provisions.

SECTION 1302. No Payment on Securities in Certain Circumstances.

          (a) No payment shall be made by the Company on account of the
principal of, premium (if any) or interest on or any Additional Amounts with
respect to the Securities of any series or to acquire any of such Securities
(including any repurchases of such Securities pursuant to the provisions hereof
or thereof at the option of the Holder of such Securities) for cash or property
(other than Junior Securities of the Company), or on account of any redemption
provisions of such Securities, in the event of default in payment of any
principal of, premium (if any) or interest on any Senior Indebtedness of the
Company when the same becomes due and payable, whether at maturity or at a date
fixed for prepayment or by declaration or otherwise (a "Payment Default"),
unless and until such Payment Default has been cured or waived or otherwise has
ceased to exist.

          (b) No payment (by set-off or otherwise) may be made by or on behalf
of the Company on account of the principal of, premium (if any) or interest on
or any Additional Amounts with respect to the Securities of any series or to
acquire any of such Securities (including any repurchases of such Securities
pursuant to the provisions hereof or thereof at the option of the Holder of such
Securities) for cash or property (other than Junior Securities), or on account
of the redemption provisions of such Securities, in the event of any event of
default (other than a Payment

                                      -66-
<PAGE>
 
Default) with respect to any Designated Senior Indebtedness permitting the
holders of such Designated Senior Indebtedness (or a trustee or other
representative on behalf of the holders thereof) to declare such Designated
Senior Indebtedness due and payable prior to the date on which it would
otherwise have become due and payable, upon written notice thereof to the
Company and the Trustee by any holders of Designated Senior Indebtedness (or a
trustee or other representative on behalf of the holders thereof) (the "Payment
Notice"), unless and until such event of default shall have been cured or waived
or otherwise has ceased to exist; provided, that such payments may not be
prevented pursuant to this Section 1302(b) for more than 179 days after an
applicable Payment Notice has been received by the Trustee unless the Designated
Senior Indebtedness in respect of which such event of default exists has been
declared due and payable in its entirety, in which case no such payment may be
made until such acceleration has been rescinded or annulled or such Designated
Senior Indebtedness has been paid in full. No event of default that existed or
was continuing on the date of any Payment Notice (whether or not such event of
default is on the same issue of Designated Senior Indebtedness) may be made the
basis for the giving of a second Payment Notice, and only one such Payment
Notice may be given in any 365-day period.

          (c) In furtherance of the provisions of Section 1301, in the event
that, notwithstanding the foregoing provisions of this Section 1302, any payment
or distribution of assets of the Company (other than Junior Securities of the
Company) shall be received by the Trustee or the Holders of Securities of any
series at a time when such payment or distribution was prohibited by the
provisions of this Section 1302, then, unless such payment or distribution is no
longer prohibited by this Section 1302, such payment or distribution (subject to
the provisions of Section 1307) shall be received and held in trust by the
Trustee or such Holder or Paying Agent for the benefit of the holders of Senior
Indebtedness of the Company, and shall be paid or delivered by the Trustee or
such Holders or such Paying Agent, as the case may be, to the holders of Senior
Indebtedness of the Company remaining unpaid or unprovided for or their
representative or representatives, or to the trustee or trustees under any
indenture pursuant to which any instruments evidencing such Senior Indebtedness
of the Company may have been issued, ratably, according to the aggregate amounts
remaining unpaid on account of such Senior Indebtedness of the Company held or
represented by each, for application to the payment of all Senior Indebtedness
in full after giving effect to all concurrent payments and distributions to or
for the holders of such Senior Indebtedness.

SECTION 1303.  Securities Subordinated to Prior Payment of All Senior
               Indebtedness on Dissolution, Liquidation or Reorganization.

          Upon any distribution of assets of the Company or upon any
dissolution, winding up, total or partial liquidation or reorganization of the
Company, whether voluntary or involuntary, in bankruptcy, insolvency,
receivership or similar proceeding or upon assignment for the benefit of
creditors:

          (a) the holders of all Senior Indebtedness of the Company shall first
     be entitled to receive payments in full before the Holders of Securities of
     any series are entitled to receive
 

                                      -67-
<PAGE>
 
     any payment on account of the principal of, premium (if any) or interest on
     or any Additional Amounts with respect to such Securities (other than
     Junior Securities of the Company);

          (b) any payment or distribution of assets of the Company of any kind
     or character, whether in cash, property or securities (other than Junior
     Securities of the Company), to which the Holders of Securities of any
     series or the Trustee on behalf of such Holders would be entitled, except
     for the provisions of this Article Thirteen, shall be paid by the
     liquidating trustee or agent or other Person making such a payment or
     distribution directly to the holders of such Senior Indebtedness or their
     representative, ratably according to the respective amounts of Senior
     Indebtedness held or represented by each, to the extent necessary to make
     payment in full of all such Senior Indebtedness remaining unpaid after
     giving effect to all concurrent payments and distributions to the holders
     of such Senior Indebtedness; and

          (c) in the event that, notwithstanding the foregoing, any payment or
     distribution of assets of the Company of any kind or character, whether in
     cash, property or securities (other than Junior Securities of the Company),
     shall be received by the Trustee or the Holders of Securities of any series
     or any Paying Agent (or, if the Company or any Affiliate of the Company is
     acting as its own Paying Agent, money for any such payment or distribution
     shall be segregated or held in trust) on account of the principal of,
     premium (if any) or interest on or any Additional Amounts with respect to
     the Securities of such series before all Senior Indebtedness of the Company
     is paid in full, such payment or distribution (subject to the provisions of
     Section 1307) shall be received and held in trust by the Trustee or such
     Holder or Paying Agent for the benefit of the holders of such Senior
     Indebtedness, or their respective representatives, ratably according to the
     respective amounts of such Senior Indebtedness held or represented by each,
     to the extent necessary to make payment as provided herein of all such
     Senior Indebtedness remaining unpaid after giving effect to all concurrent
     payments and distributions and all provisions therefor to or for the
     holders of such Senior Indebtedness, but only to the extent that as to any
     holder of such Senior Indebtedness, as promptly as practical following
     notice from the Trustee to the holders of such Senior Indebtedness that
     such prohibited payment has been received by the Trustee, Holder(s) or
     Paying Agent (or has been segregated as provided above), such holder (or a
     representative therefor) notifies the Trustee of the amounts then due and
     owing on such Senior Indebtedness, if any, held by such holder and only the
     amounts specified in such notices to the Trustee shall be paid to the
     holders of such Senior Indebtedness.

SECTION 1304. Subrogation to Rights of Holders of Senior Indebtedness.

          Subject to the payment in full of all Senior Indebtedness of the
Company as provided herein, the Holders of the Securities 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 Thirteen) to the
rights of the holders of such Senior Indebtedness to receive payments or
distributions of assets of the Company applicable to the Senior Indebtedness
until all amounts owing on the Securities shall be paid in full. For the purpose
of such subrogation, no such payments or

                                      -68-
<PAGE>
 
distributions to the holders of such Senior Indebtedness by the Company, or by
or on behalf of the Holders of the Securities by virtue of this Article
Thirteen, which otherwise would have been made to such Holders shall, as between
the Company and such Holders, be deemed to be payment by the Company or on
account of such Senior Indebtedness, it being understood that the provisions of
this Article Thirteen are and are intended solely for the purpose of defining
the relative rights of the Holders of the Securities, on the one hand, and the
holders of such Senior Indebtedness, on the other hand.

          If any payment or distribution to which the Holders of the Securities
would otherwise have been entitled but for the provisions of this Article
Thirteen shall have been applied, pursuant to the provisions of this Article
Thirteen, to the payment of amounts payable under Senior Indebtedness of the
Company, then such Holders shall be entitled to receive from the holders of such
Senior Indebtedness any payments or distributions received by such holders of
Senior Indebtedness in excess of the amount sufficient to pay all amounts
payable under or in respect of such Senior Indebtedness in full.

SECTION 1305. Obligations of the Company Unconditional.

          Nothing contained in this Article Thirteen or elsewhere in this
Indenture or in the Securities is intended to or shall impair, as between the
Company and the Holders of the Securities of any series, the obligation of the
Company, which is absolute and unconditional, to pay to such Holders the
principal of, premium (if any) and interest on or any Additional Amounts with
respect to the Securities of such series as and when the same shall become due
and payable in accordance with their terms, or is intended to or shall affect
the relative rights of such Holders and creditors of the Company other than the
holders of the Senior Indebtedness, nor shall anything herein or therein prevent
the Trustee or any Holder from exercising all remedies otherwise permitted by
applicable law upon default under this Indenture, subject to the rights, if any,
under this Article Thirteen, of the holders of Senior Indebtedness in respect of
cash, property or securities of the Company received upon the exercise of any
such remedy. Notwithstanding anything to the contrary in this Article Thirteen
or elsewhere in this Indenture or in the Securities, upon any distribution of
assets of the Company referred to in this Article Thirteen, the Trustee, subject
to the provisions of Sections 601 and 603, and the Holders of the Securities
shall be entitled to rely upon any order or decree made by any court of
competent jurisdiction in which such dissolution, winding up, liquidation or
reorganization proceedings are pending, or a certificate of the liquidating
trustee or agent or other Person making any distribution to the Trustee or to
such Holders for the purpose of ascertaining the Persons entitled to participate
in such distribution, the holders of the Senior Indebtedness and other
Indebtedness of the Company, the amount thereof or payable thereon, the amount
or amounts paid or distributed thereon and all other facts pertinent thereto or
to this Article Thirteen so long as such court has been apprised of the
provisions of, or the order, decree or certificate makes reference to, the
provisions of this Article Thirteen.

                                      -69-
<PAGE>
 
SECTION 1306. Trustee Entitled to Assume Payments Not Prohibited in Absence of
Notice.

          The Trustee shall not at any time be charged with knowledge of the
existence of any facts that would prohibit the making of any payment to or by
the Trustee unless and until a Responsible Officer of the Trustee or any Paying
Agent shall have received, no later than two Business Days prior to such
payment, written notice thereof from the Company or from one or more holders of
Senior Indebtedness or from any representative therefor and, prior to the
receipt of any such written notice, the Trustee, subject to the provisions of
Sections 601 and 603, shall be entitled in all respects conclusively to assume
that no such fact exists.

SECTION 1307. Application by Trustee of Amounts Deposited with It.

          Amounts deposited in trust with the Trustee pursuant to and in
accordance with Article Four shall be for the sole benefit of Holders of the
Securities of series for the benefit of which such amounts were deposited, and,
to the extent allocated for the payment of Securities of such series, shall not
be subject to the subordination provisions of this Article Thirteen. Otherwise,
any deposit of assets with the Trustee or the Paying Agent (whether or not in
trust) for the payment of principal of, premium (if any) or interest on or any
Additional Amounts with respect to any Securities shall be subject to the
provisions of Sections 1301, 1302, 1303 and 1304; provided that if prior to two
Business Days preceding the date on which by the terms of this Indenture any
such assets may become distributable for any purpose (including without
limitation, the payment of either principal of, premium (if any) or interest on
or any Additional Amounts with respect to any Security), the Trustee or such
Paying Agent shall not have received with respect to such assets the written
notice provided for in Section 1306, then the Trustee or such Paying Agent shall
have full power and authority to receive such assets and to apply the same to
the purpose for which they were received, and shall not be affected by any
notice to the contrary that may be received by it on or after such date; and
provided further that nothing contained in this Article Thirteen shall prevent
the Company from making, or the Trustee from receiving or applying, any payment
in connection with the redemption of Securities if the first publication of
notice of such redemption (whether by mail or otherwise in accordance with this
Indenture) has been made, and the Trustee has received such payment from the
Company, prior to the occurrence of any of the contingencies specified in
Section 1302 or 1303.

SECTION 1308. Subordination Rights Not Impaired by Acts or Omissions of the
              Company or Holders of Senior Indebtedness.

          No right of any present or future holders of any Senior Indebtedness
to enforce subordination provisions contained in this Article Thirteen 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 of this
Indenture, regardless of any knowledge thereof that any such holder may have or
be otherwise charged with. The holders of Senior Indebtedness may extend, renew,
modify or amend the terms of the Senior Indebtedness or any security therefor
and release, sell or exchange such security and

                                      -70-
<PAGE>
 
otherwise deal freely with the Company, all without affecting the liabilities
and obligations of the parties to this Indenture or the Holders of the
Securities.

SECTION 1309. Trustee to Effectuate Subordination of Securities.

          Each Holder of a Security by his acceptance thereof authorizes and
expressly directs the Trustee on his behalf to take such action as may be
necessary or appropriate to effectuate the subordination provisions contained in
this Article Thirteen and to protect the rights of the Holders of the Securities
pursuant to this Indenture, and appoints the Trustee his attorney-in-fact for
such purpose, including, in the event of any dissolution, winding up,
liquidation or reorganization of the Company (whether in bankruptcy, insolvency
or receivership proceedings or upon an assignment for the benefit of creditors
of the Company), the filing of a claim for the unpaid balance of his Securities
in the form required in said proceedings and cause said claim to be approved. If
the Trustee does not file a proper claim or proof of debt in the form required
in such proceeding prior to 30 days before the expiration of the time to file
such claim or claims, then the holders of the Senior Indebtedness or their
representative is hereby authorized to have the right to file and is hereby
authorized to file an appropriate claim for and on behalf of the Holders of said
Securities. Nothing herein contained shall be deemed to authorize the Trustee or
the holders of Senior Indebtedness or their representative to authorize or
consent to or accept or adopt on behalf of any Holder of Securities any plan of
reorganization, arrangement, adjustment or composition affecting the Securities
or the rights of any Holder thereof, or to authorize the Trustee or the holders
of Senior Indebtedness or their representative to vote in respect of the claim
of any Holder of the Securities in any such proceeding.

SECTION 1310. Right of Trustee to Hold Senior Indebtedness.

          The Trustee in its individual capacity shall be entitled to all of the
rights set forth in this Article Thirteen in respect of any Senior Indebtedness
at any time held by it to the same extent as any other holder of Senior
Indebtedness, and nothing in this Indenture shall be construed to deprive the
Trustee of any of its rights as such holder.

SECTION 1311. Article Thirteen Not to Prevent Events of Default.

          The failure to make a payment on account of principal of, premium (if
any) or interest on the Securities by reason of any provision of this Article
Thirteen shall not be construed as preventing the occurrence of a Default or an
Event of Default under Section 501 or in any way prevent the Holders of the
Securities from exercising any right hereunder other than the right to receive
payment on the Securities.

SECTION 1312. No Fiduciary Duty of Trustee to 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
(other than for its willful misconduct or negligence) if it shall in good faith
mistakenly pay over or distribute to the Holders of the Securities

                                      -71-
<PAGE>
 
or the Company or any other Person, cash, property or securities to which any
holders of Senior Indebtedness shall be entitled by virtue of this Article
Thirteen or otherwise. Nothing in this Section 1312 shall affect the obligation
of any other such Person to hold such payment for the benefit of, and to pay
such payment over to, the holders of Senior Indebtedness or their
representative.

SECTION 1313. Article Applicable to Paying Agent.

          In case at any time any Payment Agent other than the Trustee shall
have been appointed by the Company and be then acting hereunder, the term
"Trustee" as used in this Article Thirteen shall in such case (unless the
context shall otherwise require) be construed as extending to and including such
Payment Agent within its meaning as fully for all intents and purposes as if
such Paying Agent were named in this Article Thirteen in addition to or in place
of the Trustee; provided, however, that this Section 1313 shall not apply to the
Company or any Affiliate of the Company if it or such Affiliate acts as Paying
Agent.


                               ARTICLE FOURTEEN

                       MEETINGS OF HOLDERS OF SECURITIES

SECTION 1401. Purposes for Which Meetings May Be Called.

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

SECTION 1402. Call, Notice and Place of Meetings.

          (a) The Trustee may at any time call a meeting of Holders of
Securities of any series for any purpose specified in Section 1401, to be held
at such time and at such place in Houston, Texas, in The Borough of Manhattan,
The City of New York, or in any other location as the Trustee shall determine.
Notice of every meeting of Holders of Securities of any series, setting forth
the time and the place of such meeting and in general terms the action proposed
to be taken at such meeting, shall be given, in the manner provided in Section
107, not less than 20 nor more than 180 days prior to the date fixed for the
meeting.

          (b) In case at any time the Company, pursuant to a Board Resolution,
or the Holders of at least 10% in aggregate principal amount of the Outstanding
Securities of any series, shall have requested the Trustee for any such series
to call a meeting of the Holders of Securities of such series for any purpose
specified in Section 1401, by written request setting forth in reasonable detail
the action proposed to be taken at the meeting, and the Trustee shall not have
made the first publication of the notice of such meeting within 30 days after
receipt of such request or shall not thereafter proceed to cause the meeting to
be held as provided herein, then the Company or the

                                      -72-
<PAGE>
 
Holders of Securities of such series in the amount above specified, as the case
may be, may determine the time and the place in Houston, Texas, in The Borough
of Manhattan, The City of New York, or in London, for such meeting and may call
such meeting for such purposes by giving notice thereof as provided in
Subsection (a) of this Section 1402.

SECTION 1403. Persons Entitled to Vote at Meetings.

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

SECTION 1404. Quorum;  Action.

          The Persons entitled to vote a majority in aggregate principal amount
of the Outstanding Securities of a series shall constitute a quorum for a
meeting of Holders of Securities of such series. In the absence of a quorum
within 30 minutes of the time appointed for any such meeting, the meeting shall,
if convened at the request of Holders of Securities of such series, be
dissolved. In any other case, the meeting may be adjourned for a period of not
less than 10 days as determined by the chairman of the meeting prior to the
adjournment of such meeting. In the absence of a quorum at any such adjourned
meeting, such adjourned meeting may be further adjourned for a period of not
less than 10 days as determined by the chairman of the meeting prior to the
adjournment of such adjourned meeting. Subject to Section 1405(d), notice of the
reconvening of any adjourned meeting shall be given as provided in Section
1402(a), except that such notice need be given only once not less than five days
prior to the date on which the meeting is scheduled to be reconvened. Notice of
the reconvening of an adjourned meeting shall state expressly that Persons
entitled to vote a majority in principal amount of the Outstanding Securities of
such series shall constitute a quorum.

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

                                      -73-
<PAGE>
 
          Except as limited by the proviso to Section 902, any resolution passed
or decision taken at any meeting of Holders of Securities of any series duly
held in accordance with this Section 1404 shall be binding on all the Holders of
Securities of such series, whether or not present or represented at the meeting.

SECTION 1405. Determination of Voting Rights; Conduct and Adjournment of
              Meetings.

          (a) The holding of Securities shall be proved in the manner specified
in Section 105 and the appointment of any proxy shall be proved in the manner
specified in Section 105. Such regulations may provide that written instruments
appointing proxies, regular on their face, may be presumed valid and genuine
without the proof specified in Section 105 or other proof.

          (b) The Trustee shall, by an instrument in writing, appoint a
temporary chairman of the meeting, unless the meeting shall have been called by
the Company or by Holders of Securities as provided in Section 1402(b), in which
case the Company or the Holders of Securities of the series calling the meeting,
as the case may be, shall appoint a temporary chairman. A permanent chairman and
a permanent secretary of the meeting shall be elected by vote of the Persons
entitled to vote a majority in aggregate principal amount of the Outstanding
Securities of such series represented at the meeting.

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

          (d) Any meeting of Holders of Securities of any series duly called
pursuant to Section 1402 at which a quorum is present may be adjourned from time
to time by Persons entitled to vote a majority in aggregate principal amount of
the Outstanding Securities of such series represented at the meeting; and the
meeting may be held as so adjourned without further notice.

SECTION 1406. Counting Votes and Recording Action of Meetings.

          The vote upon any resolution submitted to any meeting of Holders of
Securities of any series shall be by written ballots on which shall be
subscribed the signatures of the Holders of Securities of such series or of
their representatives by proxy and the principal amounts and serial numbers of
the Outstanding Securities of such series held or represented by them. The
permanent chairman of the meeting shall appoint two inspectors of votes who
shall count all votes cast at the meeting for or against any resolution and who
shall make and file with the secretary of the meeting their verified written
reports in duplicate of all votes cast at the meeting. A record, at least in
duplicate, of the proceedings of each meeting of Holders of Securities of any
series shall be prepared

                                      -74-
<PAGE>
 
by the secretary of the meeting and there shall be attached to such record the
original reports of the inspectors of votes on any vote by ballot taken thereat
and affidavits by one or more persons having knowledge of the facts setting
forth a copy of the notice of the meeting and showing that such notice was given
as provided in Section 1402 and, if applicable, Section 1404. Each copy shall be
signed and verified by the affidavits of the permanent chairman and secretary of
the meeting and one such copy shall be delivered to the Company, and another to
the Trustee to be preserved by the Trustee, the latter to have attached thereto
the ballots voted at the meeting. Any record so signed and verified shall be
conclusive evidence of the matters therein stated.


                                    *  *  *


          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.


 

                                      -75-
<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.

                                     PENNZOIL-QUAKER STATE COMPANY

[CORPORATE SEAL]                      By ___________________________________
                                        Name:  David P. Alderson, II
                                        Title: Group Vice President-   
                                               Finance and Treasurer



                                     ______________________________________




[CORPORATE SEAL]                      By ___________________________________
                                        Name:
                                        Title:

                                      -76-

<PAGE>
 
                                                                       EXHIBIT 5

                             Baker & Botts, L.L.P.
                                One Shell Plaza
                                 910 Louisiana
                           Houston, Texas 77002-4995
    
                               January 21, 1999
     
Pennzoil-Quaker State Company
Pennzoil Place
P. O. Box 2967
Houston, Texas  77252-2967

Gentlemen:
    
     As set forth in the Registration Statement on Form S-3 filed with the
Securities and Exchange Commission (the "Commission") on October 20, 1998 and
Amendment No. 1 to the Registration Statement filed with the Commission on
January 21, 1999 (the "Registration Statement") by Pennzoil-Quaker State
Company, a Delaware corporation (the "Company"), under the Securities Act of
1933, as amended (the "Act"), relating to (i) unsecured debt securities of the
Company ("Debt Securities"), (ii) shares of preferred stock, par value $1.00 per
share, of the Company ("Preferred Stock"), (iii) depositary shares representing
fractional interests in Preferred Stock ("Depositary Shares"), (iv) shares of
common stock, par value $0.10 per share, of the Company ("Common Stock"), and
(v) warrants ("Warrants") to purchase Debt Securities, Preferred Stock, Common
Stock or equity securities issued by an unaffiliated corporation or other entity
and held by the Company (the Debt Securities, Preferred Stock, Depositary
Shares, Common Stock and Warrants are collectively referred to herein as the
"Securities"), to be issued and sold by the Company from time to time pursuant
to Rule 415 under the Act for an aggregate initial offering price not to exceed
$1,000,000,000, certain legal matters in connection with the Securities are
being passed upon for you by us.
     
     In our capacity as your counsel in the connection referred to above, we
have examined (i) the Restated Certificate of Incorporation of Pennzoil-Quaker
State Company, the Amended and Restated By-Laws of Pennzoil-Quaker State
Company, (ii) the form of the Indenture filed as Exhibit 4.1 to the Registration
Statement to be executed by the Company and the trustee thereunder (the "Senior
Debt Indenture"), pursuant to which senior Debt Securities may be issued, (iii)
the form of the Indenture filed as Exhibit 4.2 to the Registration Statement to
be executed by the Company and the trustee thereunder (the "Subordinated Debt
Indenture"), pursuant to which subordinated Debt Securities may be issued, and
(iv) the originals, or copies certified or otherwise identified, of corporate
records of the Company, certificates of public officials and of representatives
of the Company, statutes and other instruments and documents as a basis for the
opinions hereafter expressed.
<PAGE>
 
     In connection with this opinion, we have assumed that (i) the Registration
Statement, and any amendments thereto (including post-effective amendments),
will have become effective; (ii) a Prospectus Supplement will have been prepared
and filed with the Commission describing the Securities offered thereby; (iii)
all Securities will be issued and sold in compliance with applicable federal and
state securities laws and in the manner stated in the Registration Statement and
the appropriate Prospectus Supplement; (iv) a definitive purchase, underwriting
or similar agreement with respect to any Securities offered will have been duly
authorized and validly executed and delivered by the Company and the other
parties thereto; (v) any Securities issuable upon conversion, exchange or
exercise of any Security being offered will be duly authorized, created and, if
appropriate, reserved for issuance upon such conversion, exchange or exercise;
and (vi) with respect to shares of Common Stock or Preferred Stock offered,
there will be sufficient shares of Common Stock or Preferred Stock authorized
under the Company's charter documents and not otherwise reserved for issuance.

     Based upon and subject to the foregoing, we are of the opinion that:

     1.   The Company is a corporation duly organized and validly existing in
good standing under the laws of the State of Delaware.

     2.   With respect to shares of Common Stock, when (i) the Board of
Directors of the Company or, to the extent permitted by Section 141(c) of the
General Corporation Law of the State of Delaware, a duly constituted and acting
committee thereof (such Board of Directors or committee being hereinafter
referred to as the "Board"), has taken all necessary corporate action to approve
the issuance of and the terms of the offering of the shares of Common Stock and
related matters, and (ii) certificates representing the shares of Common Stock
have been duly executed, countersigned, registered and delivered either (a) in
accordance with the applicable definitive purchase, underwriting or similar
agreement approved by the Board upon payment of the consideration therefor (not
less than the par value of the Common Stock) provided for therein, or (b) upon
conversion or exercise of any other Security, in accordance with the terms of
such Security or the instrument governing such Security providing for such
conversion or exercise as approved by the Board, for the consideration approved
by the Board (not less that the par value of the Common Stock), the shares of
Common Stock will be duly authorized, validly issued, fully paid and non-
assessable.
    
     3.   With respect to shares of Preferred Stock, when (i) the Board has
taken all necessary corporate action to approve the issuance and terms of the
shares of Preferred Stock, the terms of the offering thereof and related
matters, including the adoption of a Certificate of Designation relating to such
Preferred Stock (a "Certificate") and the filing of such Certificate with the
Secretary of State of the State of Delaware (which filing has been made), and
(ii) certificates representing the shares of Preferred Stock have been duly
executed, countersigned, registered and delivered either (a) in accordance with
the applicable definitive purchase, underwriting or similar agreement approved
by the Board upon payment of the consideration therefor (not less than the par
value of the Preferred Stock) provided for therein, or (b)
     
<PAGE>
 
upon conversion or exercise of any other Security, in accordance with the terms
of such Security or the instrument governing such Security providing for such
conversion or exercise as approved by the Board, for the consideration approved
by the Board (not less than the par value of the Preferred Stock), the shares of
Preferred Stock will be duly authorized, validly issued, fully paid and non-
assessable.

     4.   With respect to Depositary Shares, when (i) the Board has taken all
necessary corporate action to approve the issuance and terms of the Depositary
Shares, the terms of the offering thereof and related matters, including the
adoption of a Certificate relating to the Preferred Stock underlying such
Depositary Shares and the filing of such Certificate with the Secretary of State
of the State of Delaware, (ii) the Depositary Agreement or Agreements relating
to the Depositary Shares and the related Depositary Receipts have been duly
authorized and validly executed and delivered by the Company and the Depositary
appointed by the Company, (iii) the shares of Preferred Stock underlying such
Depositary Shares have been deposited with a bank or trust company (which meets
the requirements for the Depositary set forth in the Registration Statement)
under the applicable Depositary Agreements; and (iv) the Depositary Receipts
representing the Depositary Shares have been duly executed, countersigned,
registered and delivered in accordance with the appropriate Depositary Agreement
and the applicable definitive purchase, underwriting or similar agreement
approved by the Board upon payment of the consideration therefor provided for
therein, the Depositary Shares will be duly authorized and validly issued.

     5.   With respect to Debt Securities to be issued under the Senior Debt
Indenture, when (i) the Senior Debt Indenture has been duly authorized and
validly executed and delivered by the Company to the trustee, (ii) the Senior
Debt Indenture has been duly qualified under the Trust Indenture Act of 1939, as
amended, (iii) the Board has taken all necessary corporate action to approve and
establish the terms of such Debt Securities, and to approve the issuance thereof
and the terms of the offering thereof and related matters, and (iv) such Debt
Securities have been duly executed, authenticated, issued and delivered in
accordance with both the provisions of the Senior Debt Indenture and the
applicable definitive purchase, underwriting or similar agreement approved by
the Board upon payment of  the consideration therefor provided for therein, such
Debt Securities will be legally issued and will constitute valid and binding
obligations of the Company, enforceable against the Company in accordance with
their terms, except as such enforcement is subject to (i) any applicable
bankruptcy, insolvency, reorganization or other law relating to or affecting
creditors' rights generally and (ii) general principles of equity  (regardless
of whether such enforceability is considered in a proceeding in equity or at
law).

     6.   With respect to Debt Securities to be issued under the Subordinated
Debt Indenture, when (i) the Subordinated Debt Indenture has been duly
authorized and validly executed and delivered by the Company to the trustee,
(ii) the Subordinated Debt Indenture has been duly qualified under the Trust
Indenture Act of 1939, as amended, (iii) the Board has taken all necessary
corporate action to approve and establish the terms of such Debt Securities, and
to approve the issuance thereof and the terms of the offering thereof and
related matters, and (iv) such Debt Securities have been duly executed,
authenticated, issued and delivered in accordance with both the 
<PAGE>
 
provisions of the Subordinated Debt Indenture and the applicable definitive
purchase, underwriting or similar agreement approved by the Board upon payment
of the consideration therefor provided for therein, such Debt Securities will be
legally issued and will constitute valid and binding obligations of the Company,
enforceable against the Company in accordance with their terms, except as such
enforcement is subject to (i) any applicable bankruptcy, insolvency,
reorganization or other law relating to or affecting creditors' rights generally
and (ii) general principles of equity (regardless of whether such enforceability
is considered in a proceeding in equity or at law).

     7.   With respect to the Warrants, when (i) the Board has taken all
necessary corporate action to approve the creation of and the issuance and terms
of the Warrants, the terms of the offering thereof and related matters; (ii) the
Warrant Agreement or Agreements relating to the Warrants have been duly
authorized and validly executed and delivered by the Company and the Warrant
Agent appointed by the Company; and (iii) the Warrants or certificates
representing the Warrants have been duly executed, countersigned, registered and
delivered in accordance with the appropriate Warrant Agreement or Agreements and
the applicable definitive purchase, underwriting or similar agreement approved
by the Board upon payment of the consideration therefor provided for therein,
the Warrants will be duly authorized and validly issued.
    
     We hereby consent to the filing of this opinion of counsel as Exhibit 5 to
the Registration Statement.  We also consent to the reference to our Firm under
the heading "Legal Matters" in the Prospectus forming a part of the Registration
Statement. In giving this consent, we do not hereby admit that we are in the
category of persons whose consent is required under Section 7 of the Act.
     

                              Very truly yours,


                              /s/ Baker & Botts,L.L.P.

                              BAKER & BOTTS, L.L.P.

<PAGE>
 
                                                                      EXHIBIT 12
 
                 PENNZOIL - QUAKER STATE COMPANY - PRO FORMAS
               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
<TABLE>
<CAPTION>
 
 
                                                                              
                                                              For the nine    For the twelve 
                                                              months ended     months ended  
                                                              September 30,    December 31,   
                                                                 1998             1997
                                                           ----------------   ------------     
                                                        (Dollar amounts expressed in thousands)
<S>                                                          <C>              <C> 
Income from continuing operations
 before equity income from partnerships                          $    3,340      $  (4,247)
Distribution of income from partnerships                             24,427          4,359
Amortization of capitalized interest                                  1,349          1,292
Income tax provision                                                 28,057         14,261
Interest charges                                                     70,602         87,044
                                                                  ---------       --------            
Income before income tax provision and interest charges          $  127,775      $ 102,709
                                                                  =========       ========      

Fixed charges                                                    $   70,857      $  94,485
                                                                  =========       ========      

Ratio of earnings to fixed charges                                     1.80           1.09
                                                                  =========       ========      
</TABLE> 
 
 
                     DETAIL OF INTEREST AND FIXED CHARGES

<TABLE> 
<CAPTION> 

                                                                                           
                                                                           For the nine    For the twelve 
                                                                           months ended     months ended  
                                                                           September 30,    December 31,   
                                                                               1998             1997
                                                                         ---------------   --------------
                                                                             (Expressed in thousands)
<S>                                                                        <C>              <C>
 
Interest charges per Consolidated Statement of Income
  which includes amortization of debt discount, expense and premium            $   48,367     $   64,512
Add:  portion of rental expense representative of interest factor (1)              22,490         29,973
                                                                                ---------      ---------

  Total fixed charges                                                          $   70,857     $   94,485
 
Less:  interest capitalized per Consolidated Statement of Income                      255          7,441
                                                                                ---------      --------- 
  Total interest charges                                                       $   70,602     $   87,044
                                                                                =========      ========= 
</TABLE>

(1)  Interest factor based on management's estimates and approximates one-third
     of rental expense.


                 PENNZOIL - QUAKER STATE COMPANY - HISTORICAL
               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
<TABLE>
<CAPTION>
                                                   For the nine                For the twelve months ended December 31,
                                                   months ended        -----------------------------------------------------------
                                                 September 30, 1998        1997         1996        1995        1994        1993   
                                                 ------------------    -----------   ----------  ----------   ---------   --------
                                                                                  (Dollar amounts expressed in thousands)    
<S>                                              <C>                   <C>            <C>         <C>        <C>         <C>
Income from continuing  operations
   before equity income from partnerships            $  (17,142)         $  (4,948)    $  4,980   $ (46,772)  $ (15,031)  $  3,406
Distribution of income from partnerships                 24,427              4,359
Amortization of capitalized interest                      1,349              1,292          575         337         482        134
Income tax provision                                      8,334              6,245       (1,103)    (24,043)     (1,462)     8,483
Interest charges                                         66,997             80,167       73,468      79,632      46,627     41,740
                                                      ---------           --------      -------    --------    --------    -------  
Income before income tax provision and 
 interest charges                                    $   83,965          $  87,115     $ 77,920   $   9,154   $  30,616   $ 53,763
                                                      =========           ========      =======    ========    ========    =======  
Fixed charges                                        $   67,252          $  87,608     $ 83,571   $  82,677   $  47,750   $ 43,301
                                                      =========           ========      =======    ========    ========    =======  
Ratio of earnings to fixed  charges                        1.25                  -            -           -           -       1.24
                                                      =========           ========      =======    ========    ========    =======  

Amount by which fixed charges exceed earnings        $        -          $     493     $  5,651   $  73,523   $  17,134   $      -
                                                      =========           ========      =======    ========    ========    ======= 
</TABLE> 

                     DETAIL OF INTEREST AND FIXED CHARGES
<TABLE>
<CAPTION>
 
                                                   For the nine                     For the twelve months ended December 31,
                                                   months ended        -----------------------------------------------------------
                                                September 30, 1998         1997         1996        1995        1994        1993   
                                                ------------------     -----------   ----------  ----------   ---------   --------
                                                                                          (Expressed in thousands)
<S>                                              <C>                   <C>            <C>         <C>        <C>         <C>
Interest charges per Consolidated Statement 
 of Income which includes amortization of debt
 discount, expense and premium                       $   51,645          $  69,221     $ 65,174   $  63,861   $  31,091   $ 27,705
Add:  portion of rental expense representative 
 of interest factor (1)                                  15,607             18,387       18,397      18,816      16,659     15,596
                                                      ---------           --------      -------    --------    --------    -------
  Total fixed charges                                $   67,252          $  87,608     $ 83,571   $  82,677   $  47,750   $ 43,301
                                                      =========           ========      =======    ========    ========    =======  
Less:  interest capitalized per Consolidated 
 Statement of Income                                        255              7,441       10,103       3,045       1,123      1,561
                                                      ---------           --------      -------    --------    --------    ------- 
  Total interest charges                             $   66,997          $  80,167     $ 73,468   $  79,632   $  46,627   $ 41,740
                                                      =========           ========      =======    ========    ========    =======
</TABLE>

(1)  Interest factor based on management's estimates and approximates one-third
     of rental expense.

<PAGE>
 
                                                                EXHIBIT 23.1

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

     As independent public accountants, we hereby consent to the use of our
report (and to all references to our Firm) incorporated by reference or made a
part of this Amendment No. 1 to Registration Statement on Form S-3.

                                        ARTHUR ANDERSEN LLP

Houston, Texas
January 15, 1999

<PAGE>
 
                                                                    EXHIBIT 23.2

                      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
March 11, 1998, except as to the second paragraph to Note 11 which is as of July
10, 1998, relating to the financial statements of Excel Paralubes, which appears
in the Information Statement constituting part of the Registration Statement on 
Form 10 filed by Pennzoil-Quaker State Company on September 21, 1998 and amended
on December 1, 1998.     



PRICEWATERHOUSECOOPERS LLP

Houston, Texas
    
January 15, 1999     


<PAGE>
 
                                                                    EXHIBIT 23.3


                       CONSENT OF INDEPENDENT ACCOUNTANTS

     We consent to the incorporation by reference in this Amendment No. 1 to the
registration statement of Pennzoil-Quaker State Company on Form S-3 (No. 333-
65909) of our report dated January 27, 1998, on our audits of the consolidated
financial statements and financial statement schedule of Quaker State
Corporation and subsidiaries as of December 31, 1997 and for each of the three
years in the period ended December 31, 1997, which report is included in the
Quaker State Corporation Annual Report on Form 10-K for the year ended December
31, 1997. We also consent to the reference to our firm under the caption
"Experts".

    
PRICEWATERHOUSECOOPERS LLP     

Dallas, Texas
January 18, 1999

<PAGE>

                                                                      EXHIBIT 24
 
                           PENNZOIL PRODUCTS COMPANY

                               POWER OF ATTORNEY

          WHEREAS, PENNZOIL PRODUCTS COMPANY, a Delaware corporation (the
"Company"), intends to file with the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Act"), a
Registration Statement on Form S-3, including a prospectus, with such amendment
or amendments thereto, whether pre-effective or post-effective, in each case as
may be necessary or appropriate, together with any and all exhibits and other
documents having relation to said Registration Statement (collectively, the
"Registration Statement"), relating to the registration under the Act of up to
$1,000,000,000 in securities of the Company, consisting of a combination of one
or more of the following:  common stock, par value $.10 per share, preferred
stock, par value $1.00 per share, or depositary shares representing such
preferred stock, senior or subordinated debt securities and/or warrants to
purchase other securities.

          NOW, THEREFORE, the undersigned, in his capacity as a director or
officer, or both, as the case may be, of the Company, does hereby appoint DAVID
P. ALDERSON II, JAMES L. PATE and JAMES W. SHADDIX, and each of them severally,
his true and lawful attorneys or attorney with power to act with or without the
others and with full power of substitution and resubstitution, to execute in his
name, place and stead, in his capacity as a director or officer or both, as the
case may be, of the Company, the Registration Statement and all instruments
necessary or incidental in connection therewith, with such amendment or
amendments thereto in each case as may be necessary or appropriate, together
with any and all exhibits and other documents relating thereto as said attorneys
or any of them shall deem necessary or incidental in connection therewith, and
to file the same or cause the same to be filed with the Commission.  Each of
said attorneys shall have full power and authority to do and perform in the name
and on behalf of the undersigned, in any and all capacities, every act
whatsoever necessary or desirable to be done to the premises, as fully and to
all intents and purposes as the undersigned might or could do in person, the
undersigned hereby ratifying and approving the acts of said attorneys and each
of them.

          IN WITNESS WHEREOF, the undersigned has executed this instrument on
this 12th day of October, 1998.



                                    /s/ James J. Postl
                                    ------------------
                                    James J. Postl
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

                               POWER OF ATTORNEY

     WHEREAS, PENNZOIL-QUAKER STATE COMPANY, a Delaware corporation (the
"Company"), intends to file with the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Act"),
Amendment No. 1 to its Registration Statement on Form S-3, including a
prospectus, with such amendment or amendments thereto, whether pre-effective or
post-effective, including without limitation any registration statement of the
type contemplated by Rule 462(b) of the Act, in each case as may be necessary or
appropriate, together with any and all exhibits and other documents having
relation to said Registration Statement (collectively, the "Registration
Statement"), in connection with the Company's proposal to issue and sell up to
$1,000,000,000 of securities of the Company;

     NOW, THEREFORE, the undersigned, in his capacity as a director or officer,
or both, as the case may be, of the Company, does hereby appoint DAVID P.
ALDERSON II and JAMES L. PATE, and each of them severally, his true and lawful
attorneys or attorney with power to act with or without the other and with full
power of substitution and resubstitution, to execute in his name, place and
stead, in his capacity as a director or officer or both, as the case may be, of
the Company, the Registration Statement, including without limitation any
registration statement of the type contemplated by Rule 462(b) of the Act, and
all instruments necessary or incidental in connection therewith, with such
amendment or amendments thereto in each case as may be necessary or appropriate,
together with any and all exhibits and other documents relating thereto as said
attorneys or any of them shall deem necessary or incidental in connection
therewith, and to file the same or cause the same to be filed with the
Commission. Each of said attorneys shall have full power and authority to do and
perform in the name and on behalf of the undersigned, in any and all capacities,
every act whatsoever necessary or desirable to be done to the premises, as fully
and to all intents and purposes as the undersigned might or could do in person,
the undersigned hereby ratifying and approving the acts of said attorneys and
each of them.

     IN WITNESS WHEREOF, the undersigned has executed this instrument on this
14th day of January, 1999.


                                    /s/ Howard H. Baker, Jr.
 
                                    HOWARD H. BAKER, JR.
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

                               POWER OF ATTORNEY

     WHEREAS, PENNZOIL-QUAKER STATE COMPANY, a Delaware corporation (the
"Company"), intends to file with the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Act"),
Amendment No. 1 to its Registration Statement on Form S-3, including a
prospectus, with such amendment or amendments thereto, whether pre-effective or
post-effective, including without limitation any registration statement of the
type contemplated by Rule 462(b) of the Act, in each case as may be necessary or
appropriate, together with any and all exhibits and other documents having
relation to said Registration Statement (collectively, the "Registration
Statement"), in connection with the Company's proposal to issue and sell up to
$1,000,000,000 of securities of the Company;

     NOW, THEREFORE, the undersigned, in his capacity as a director or officer,
or both, as the case may be, of the Company, does hereby appoint DAVID P.
ALDERSON II and JAMES L. PATE, and each of them severally, his true and lawful
attorneys or attorney with power to act with or without the other and with full
power of substitution and resubstitution, to execute in his name, place and
stead, in his capacity as a director or officer or both, as the case may be, of
the Company, the Registration Statement, including without limitation any
registration statement of the type contemplated by Rule 462(b) of the Act, and
all instruments necessary or incidental in connection therewith, with such
amendment or amendments thereto in each case as may be necessary or appropriate,
together with any and all exhibits and other documents relating thereto as said
attorneys or any of them shall deem necessary or incidental in connection
therewith, and to file the same or cause the same to be filed with the
Commission. Each of said attorneys shall have full power and authority to do and
perform in the name and on behalf of the undersigned, in any and all capacities,
every act whatsoever necessary or desirable to be done to the premises, as fully
and to all intents and purposes as the undersigned might or could do in person,
the undersigned hereby ratifying and approving the acts of said attorneys and
each of them.

     IN WITNESS WHEREOF, the undersigned has executed this instrument on this
14th day of January, 1999.


                                    /s/ W.L. Lyons Brown, Jr.
 
                                    W.L. LYONS BROWN, JR.
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

                               POWER OF ATTORNEY

     WHEREAS, PENNZOIL-QUAKER STATE COMPANY, a Delaware corporation (the
"Company"), intends to file with the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Act"),
Amendment No. 1 to its Registration Statement on Form S-3, including a
prospectus, with such amendment or amendments thereto, whether pre-effective or
post-effective, including without limitation any registration statement of the
type contemplated by Rule 462(b) of the Act, in each case as may be necessary or
appropriate, together with any and all exhibits and other documents having
relation to said Registration Statement (collectively, the "Registration
Statement"), in connection with the Company's proposal to issue and sell up to
$1,000,000,000 of securities of the Company;

     NOW, THEREFORE, the undersigned, in his capacity as a director or officer,
or both, as the case may be, of the Company, does hereby appoint DAVID P.
ALDERSON II and JAMES L. PATE, and each of them severally, his true and lawful
attorneys or attorney with power to act with or without the other and with full
power of substitution and resubstitution, to execute in his name, place and
stead, in his capacity as a director or officer or both, as the case may be, of
the Company, the Registration Statement, including without limitation any
registration statement of the type contemplated by Rule 462(b) of the Act, and
all instruments necessary or incidental in connection therewith, with such
amendment or amendments thereto in each case as may be necessary or appropriate,
together with any and all exhibits and other documents relating thereto as said
attorneys or any of them shall deem necessary or incidental in connection
therewith, and to file the same or cause the same to be filed with the
Commission. Each of said attorneys shall have full power and authority to do and
perform in the name and on behalf of the undersigned, in any and all capacities,
every act whatsoever necessary or desirable to be done to the premises, as fully
and to all intents and purposes as the undersigned might or could do in person,
the undersigned hereby ratifying and approving the acts of said attorneys and
each of them.

     IN WITNESS WHEREOF, the undersigned has executed this instrument on this
14th day of January, 1999.


                                    /s/ Ernest H. Cockrell
 
                                    ERNEST H. COCKRELL
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

                               POWER OF ATTORNEY

     WHEREAS, PENNZOIL-QUAKER STATE COMPANY, a Delaware corporation (the
"Company"), intends to file with the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Act"),
Amendment No. 1 to its Registration Statement on Form S-3, including a
prospectus, with such amendment or amendments thereto, whether pre-effective or
post-effective, including without limitation any registration statement of the
type contemplated by Rule 462(b) of the Act, in each case as may be necessary or
appropriate, together with any and all exhibits and other documents having
relation to said Registration Statement (collectively, the "Registration
Statement"), in connection with the Company's proposal to issue and sell up to
$1,000,000,000 of securities of the Company;

     NOW, THEREFORE, the undersigned, in his capacity as a director or officer,
or both, as the case may be, of the Company, does hereby appoint DAVID P.
ALDERSON II and JAMES L. PATE, and each of them severally, his true and lawful
attorneys or attorney with power to act with or without the other and with full
power of substitution and resubstitution, to execute in his name, place and
stead, in his capacity as a director or officer or both, as the case may be, of
the Company, the Registration Statement, including without limitation any
registration statement of the type contemplated by Rule 462(b) of the Act, and
all instruments necessary or incidental in connection therewith, with such
amendment or amendments thereto in each case as may be necessary or appropriate,
together with any and all exhibits and other documents relating thereto as said
attorneys or any of them shall deem necessary or incidental in connection
therewith, and to file the same or cause the same to be filed with the
Commission. Each of said attorneys shall have full power and authority to do and
perform in the name and on behalf of the undersigned, in any and all capacities,
every act whatsoever necessary or desirable to be done to the premises, as fully
and to all intents and purposes as the undersigned might or could do in person,
the undersigned hereby ratifying and approving the acts of said attorneys and
each of them.

     IN WITNESS WHEREOF, the undersigned has executed this instrument on this
14th day of January, 1999.


                                    /s/ Alfonso Fanjul
 
                                    ALFONSO FANJUL
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

                               POWER OF ATTORNEY

     WHEREAS, PENNZOIL-QUAKER STATE COMPANY, a Delaware corporation (the
"Company"), intends to file with the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Act"),
Amendment No. 1 to its Registration Statement on Form S-3, including a
prospectus, with such amendment or amendments thereto, whether pre-effective or
post-effective, including without limitation any registration statement of the
type contemplated by Rule 462(b) of the Act, in each case as may be necessary or
appropriate, together with any and all exhibits and other documents having
relation to said Registration Statement (collectively, the "Registration
Statement"), in connection with the Company's proposal to issue and sell up to
$1,000,000,000 of securities of the Company;

     NOW, THEREFORE, the undersigned, in his capacity as a director or officer,
or both, as the case may be, of the Company, does hereby appoint DAVID P.
ALDERSON II and JAMES L. PATE, and each of them severally, his true and lawful
attorneys or attorney with power to act with or without the other and with full
power of substitution and resubstitution, to execute in his name, place and
stead, in his capacity as a director or officer or both, as the case may be, of
the Company, the Registration Statement, including without limitation any
registration statement of the type contemplated by Rule 462(b) of the Act, and
all instruments necessary or incidental in connection therewith, with such
amendment or amendments thereto in each case as may be necessary or appropriate,
together with any and all exhibits and other documents relating thereto as said
attorneys or any of them shall deem necessary or incidental in connection
therewith, and to file the same or cause the same to be filed with the
Commission. Each of said attorneys shall have full power and authority to do and
perform in the name and on behalf of the undersigned, in any and all capacities,
every act whatsoever necessary or desirable to be done to the premises, as fully
and to all intents and purposes as the undersigned might or could do in person,
the undersigned hereby ratifying and approving the acts of said attorneys and
each of them.

     IN WITNESS WHEREOF, the undersigned has executed this instrument on this
14th day of January, 1999.


                                    /s/ Berdon Lawrence
 
                                    BERDON LAWRENCE
<PAGE>
 
                         PENNZOIL-QUAKER STATE COMPANY

                               POWER OF ATTORNEY

     WHEREAS, PENNZOIL-QUAKER STATE COMPANY, a Delaware corporation (the
"Company"), intends to file with the Securities and Exchange Commission (the
"Commission") under the Securities Act of 1933, as amended (the "Act"),
Amendment No. 1 to its Registration Statement on Form S-3, including a
prospectus, with such amendment or amendments thereto, whether pre-effective or
post-effective, including without limitation any registration statement of the
type contemplated by Rule 462(b) of the Act, in each case as may be necessary or
appropriate, together with any and all exhibits and other documents having
relation to said Registration Statement (collectively, the "Registration
Statement"), in connection with the Company's proposal to issue and sell up to
$1,000,000,000 of securities of the Company;

     NOW, THEREFORE, the undersigned, in his capacity as a director or officer,
or both, as the case may be, of the Company, does hereby appoint DAVID P.
ALDERSON II and JAMES L. PATE, and each of them severally, his true and lawful
attorneys or attorney with power to act with or without the other and with full
power of substitution and resubstitution, to execute in his name, place and
stead, in his capacity as a director or officer or both, as the case may be, of
the Company, the Registration Statement, including without limitation any
registration statement of the type contemplated by Rule 462(b) of the Act, and
all instruments necessary or incidental in connection therewith, with such
amendment or amendments thereto in each case as may be necessary or appropriate,
together with any and all exhibits and other documents relating thereto as said
attorneys or any of them shall deem necessary or incidental in connection
therewith, and to file the same or cause the same to be filed with the
Commission. Each of said attorneys shall have full power and authority to do and
perform in the name and on behalf of the undersigned, in any and all capacities,
every act whatsoever necessary or desirable to be done to the premises, as fully
and to all intents and purposes as the undersigned might or could do in person,
the undersigned hereby ratifying and approving the acts of said attorneys and
each of them.

     IN WITNESS WHEREOF, the undersigned has executed this instrument on this
14th day of January, 1999.


                                    /s/ Gerald B. Smith
 
                                    GERALD B. SMITH


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