USG CORP
S-3/A, 1995-07-28
CONCRETE, GYPSUM & PLASTER PRODUCTS
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<PAGE>
   
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY 28, 1995
    
                                                       REGISTRATION NO. 33-60563
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                           --------------------------

   
                                AMENDMENT NO. 3
                                       TO
                           S-3 REGISTRATION STATEMENT
    
                                     UNDER
                           THE SECURITIES ACT OF 1933
                           --------------------------

                                USG CORPORATION
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                       <C>                          <C>
                DELAWARE                             3275                    36-3329400
    (State or other jurisdiction of            (Primary Standard          (I.R.S. Employer
     incorporation or organization)               Industrial            Identification No.)
                                          Classification Code Number)
</TABLE>

                           125 SOUTH FRANKLIN STREET
                          CHICAGO, ILLINOIS 60606-4678
                                 (312) 606-4000
         (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)
                           --------------------------

                            ARTHUR G. LEISTEN, ESQ.
                    SENIOR VICE PRESIDENT & GENERAL COUNSEL
                           125 SOUTH FRANKLIN STREET
                          CHICAGO, ILLINOIS 60606-4678
                                 (312) 606-4000
           (Name, address and telephone number of agent for service)
                           --------------------------

                                   Copies to:

<TABLE>
<S>                                     <C>
       FRANCIS J. GERLITS, P.C.                  SETH A. KAPLAN, ESQ.
           KIRKLAND & ELLIS                 WACHTELL, LIPTON, ROSEN & KATZ
       200 EAST RANDOLPH DRIVE                   51 WEST 52ND STREET
       CHICAGO, ILLINOIS 60601                 NEW YORK, NEW YORK 10019
</TABLE>

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

        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
   FROM TIME TO TIME AFTER THE EFFECTIVE DATE OF THIS REGISTRATION STATEMENT.
                           --------------------------

    If  the  only securities  being registered  on this  Form are  being offered
pursuant to dividend or interest reinvestment plans, please check the  following
box. / /

    If  any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to  Rule 415 under the Securities Act  of
1933, 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 THIS REGISTRATION  STATEMENT SHALL  BECOME
EFFECTIVE  ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>


                              EXPLANATORY NOTE


THE SOLE PURPOSE OF AMENDMENT NO. 3 IS TO FILE THE FOLLOWING ADDITIONAL
EXHIBITS:


Exhibit
  No.
- -------

  4.         Instruments defining the rights of security holders, including
             indentures:

             (b)  Form of Consent Resolution adopted by a Special Committee
                  created by the Board of Directors of USG Corporation relating
                  to USG Corporation's        % Senior Notes due 2005.


 23.         Consents of experts and counsel.

             (a)  Consent of Arthur Andersen LLP.

 99.         Additional Exhibits.

             (a)  Credit Agreement dated as of July 27, 1995, among USG
                  Corporation and the Banks listed on the signature page
                  thereto and Chemical Bank as Agent.

             (b)  Collateral Trust Agreement dated as of July 27, 1995
                  between USG Corporation, certain of its subsidiaries and
                  Wilmington Trust Company and William J. Wade, as Trustee.

             (c)  Company Pledge Agreement dated as of July 27, 1995, among
                  USG Corporation, as Pledgor, and Wilmington Trust Company
                  and William J. Wade, as Trustee.

<PAGE>
                                    PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

    The following are the estimated expenses of the issuance and distribution of
the securities being registered, including fees and expenses previously incurred
by the Corporation, other than any underwriting compensation.

<TABLE>
<CAPTION>
ITEM                                                                                 AMOUNT
- --------------------------------------------------------------------------------  ------------
<S>                                                                               <C>
SEC Registration Fees...........................................................  $     51,724
Printing and Mailing Expenses...................................................       200,000
Legal Fees and Expenses.........................................................       200,000
Accountants' Fees and Expenses..................................................       100,000
Miscellaneous Expenses..........................................................       500,000
                                                                                  ------------
    Total.......................................................................  $  1,051,724
                                                                                  ------------
                                                                                  ------------
</TABLE>

ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

    Section  145 of  the Delaware  General Corporation  Law ("Section  145") (a)
gives Delaware corporations broad powers  to indemnify their present and  former
directors  and officers  and those  of affiliated  corporations against expenses
incurred in the defense of any lawsuit to which they are made parties by  reason
of  being  or  having been  such  directors  or officers,  subject  to specified
conditions and  exclusions, (b)  gives a  director or  officer who  successfully
defends  an  action  the right  to  be  so indemnified  and  (c)  authorizes the
corporation  to  buy   directors'  and  officers'   liability  insurance.   Such
indemnification  is not exclusive of any  other right to which those indemnified
may be entitled under any bylaw, agreement, vote of stockholders or otherwise.

    A bylaw provides that the Corporation  (a) shall indemnify every person  who
is  or was a director or officer of the  Corporation or is or was serving at the
Corporation's  request  as  a  director  or  officer  of  another   corporation,
partnership,  joint venture,  trust or  other enterprise  and (b)  shall, if the
board of directors so directs, indemnify any person who is or was an employee or
agent of the Corporation or is or was serving at the Corporation's request as an
employee or agent of another  corporation, partnership, joint venture, trust  or
other  enterprise, to the extent, in the  manner, and subject to compliance with
the applicable standards of conduct, provided by Section 145 as the same (or any
substitute provision therefor) may be in effect from time to time.

    Any such indemnification shall continue as to a person who has ceased to  be
a  director, officer, employee  or agent and  shall inure to  the benefit of the
heirs, executors and administrators of such a person.

    The Corporation  has procured  insurance for  the purpose  of  substantially
covering its future potential liability for indemnification under Section 145 as
discussed above and certain future potential liability of individual officers or
directors   incurred  in  their  capacity  as  such  which  is  not  subject  to
indemnification.

    The Corporation has entered into Indemnification Agreements with each of its
officers  and  directors.  The  Indemnification  Agreements  provide  that   the
Corporation  shall indemnify and keep indemnified  the indemnitee to the fullest
extent authorized by Section 145 as it may  be in effect from time to time  from
and  against any expenses  (including expenses of  investigation and preparation
and reasonable fees and  disbursements of legal  counsel, accountants and  other
experts),  judgments, fines and amounts paid  in settlement by the indemnitee in
connection with any threatened, pending or completed action, suit or proceeding,
whether civil, criminal, administrative or investigative, and whether or not the
cause of action, suit  or proceeding incurred  before or after  the date of  the
Indemnification  Agreement. The  Indemnification Agreements  further provide for
advancement of amounts to cover expenses incurred by the indemnitee in defending
any such action, suit or proceeding subject to an undertaking by the  indemnitee
to  repay any expenses advanced  which it is later determined  he or she was not
entitled to receive.

                                      II-1
<PAGE>
ITEM 16.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

    (a) The following is  a complete list  of Exhibits filed as  a part of  this
       Registration Statement:

    See Exhibit Index

ITEM 17.  UNDERTAKINGS

    The Registrant hereby undertakes:

        (1)  For  purposes  of  determining any  liability  under  the  Act, the
    information omitted from  the form  of prospectus filed  as a  part of  this
    registration statement in reliance upon Rule 430A and contained in a form of
    prospectus  filed by  the registrant  pursuant to  Rule 424(b)(1)  or (4) or
    497(h) under  the  Act shall  be  deemed to  be  part of  this  registration
    statement as of the time it was declared effective.

        (2)  That,  for  the  purpose of  determining  any  liability  under the
    Securities Act of 1933, each  such post-effective amendment shall be  deemed
    to  be  a  new registration  statement  relating to  the  securities offered
    therein, and the offering of such securities at that time shall be deemed to
    be the initial bona fide offering thereof.

        (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.

        (4) That, for purposes of determining any liability under the Securities
    Act of  1933, each  filing of  the registrant's  annual report  pursuant  to
    section  13(a) or section 15(d) of the Securities Exchange Act of 1934 (and,
    where applicable, each filing  of an employee  benefit plan's annual  report
    pursuant  to  section 15(d)  of  the Securities  Exchange  of 1934)  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 the initial  bona
    fide offering thereof.

        (5)  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 foregoing provisions, or otherwise,
    the Company  has been  advised that  in the  opinion of  the Securities  and
    Exchange  Commission  such  indemnification  is  against  public  policy  as
    expressed in the  Securities Act  and is, therefore,  unenforceable. In  the
    event  that a claim for indemnification against such liabilities (other than
    the payment  by the  Company of  expenses incurred  or paid  by a  director,
    officer  or controlling person  of the Company in  the successful defense of
    any action, suit  or proceeding) is  asserted by such  director, officer  or
    controlling  person in connection with  the securities being registered, the
    Company will,  unless in  the opinion  of its  counsel the  matter has  been
    settled   by  controlling  precedent,  submit  to  a  court  of  appropriate
    jurisdiction the question of 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-2
<PAGE>
                                   SIGNATURES

   
    Pursuant  to the requirements of the  Securities Act of 1933, the Registrant
has duly caused this Amendment No. 3  to Registration Statement to be signed  on
its  behalf  by  the undersigned,  thereunto  duly  authorized, in  the  City of
Chicago, State of Illinois on July 28, 1995.
    

                                          USG CORPORATION

                                          By:         Richard H. Fleming

                                          --------------------------------------
                                                     Richard H. Fleming
                                                SENIOR VICE PRESIDENT AND
                                                 CHIEF FINANCIAL OFFICER

   
    Pursuant to the requirements of the  Securities Act of 1933, this  Amendment
No.  3  to Registration  Statement  has been  signed on  July  28, 1995,  by the
following persons in the capacities indicated:
    

<TABLE>
<CAPTION>
               SIGNATURE                                  TITLE
- ---------------------------------------  ---------------------------------------
<C>                                      <S>
                   *                     Chairman of the Board, Chief Executive
- ---------------------------------------   Officer and Director (Principal
          Eugene B. Connolly              Executive Officer)

                   *
- ---------------------------------------  President, Chief Operating Officer and
           William C. Foote               Director

          Richard H. Fleming             Senior Vice President and Chief
- ---------------------------------------   Financial Officer (Principal Financial
          Richard H. Fleming              Officer)

            Raymond T. Belz
- ---------------------------------------  Vice President and Controller
            Raymond T. Belz               (Principal Accounting Officer)

                   *
- ---------------------------------------  Director
           Robert L. Barnett

                   *
- ---------------------------------------  Director
            Keith A. Brown

                   *
- ---------------------------------------  Director
              W.H. Clark

- ---------------------------------------  Director
           James C. Cotting

                   *
- ---------------------------------------  Director
         Lawrence M. Crutcher
</TABLE>

                                      II-3
<PAGE>
<TABLE>
<CAPTION>
               SIGNATURE                                  TITLE
- ---------------------------------------  ---------------------------------------
<C>                                      <S>

                   *
- ---------------------------------------  Director
             David W. Fox

- ---------------------------------------  Director
        Philip C. Jackson, Jr.

                   *
- ---------------------------------------  Director
           Marvin E. Lesser

                   *
- ---------------------------------------  Director
            John B. Schwemm

                   *
- ---------------------------------------  Director
          Judith A. Sprieser

*By:
            Richard H. Fleming
 --------------------------------------
            Richard H. Fleming
             ATTORNEY-IN-FACT
</TABLE>

                                      II-4
<PAGE>
                                 EXHIBIT INDEX

   
    The  following  documents  are  the  exhibits to  this  Amendment  No.  3 to
Registration Statement on Form  S-3. For convenient  reference, each exhibit  is
listed  according to the  Exhibit Table of  Regulation S-K. The  page number, if
any, listed opposite  an exhibit  indicates the  page number  in the  sequential
numbering  system in  the manually  signed original of  this Amendment  No. 3 to
Registration Statement on Form S-3 where such exhibit can be found.
    

   
<TABLE>
<CAPTION>
EXHIBIT NO.                                                                                                              PAGE
- -----------                                                                                                              -----
<S>          <C>        <C>                                                                                           <C>
        1.   Form of Underwriting Agreement.*
        4.   Instruments defining the rights of security holders, including indentures:

             (a)        Indenture dated as of October 1, 1986  between USG Corporation and Harris Trust and  Savings
                        Bank,  Trustee (incorporated by reference to  Exhibit 4(a) of USG Corporation's Registration
                        Statement No. 33-9294 on Form S-3, dated October 7, 1986).

             (b)        Form of Consent Resolution adopted by a Special Committee created by the Board of  Directors
                        of USG Corporation relating to USG Corporation's    % Senior Notes due 2005.
        5.   Opinions of counsel as to the legality of the securities being registered.*
       12.   Statement recomputation of ratio of earnings to fixed charges.*
       23.   Consents of experts and counsel.

             (a)        Consent of Arthur Andersen LLP.

             (b)        Consents of counsel (included in Exhibit 5).

       24.   Power of attorney.*
       25.   Statement of eligibility of trustee.*
       99.   Additional Exhibits.

             (a)        Credit  Agreement dated as of July  27, 1995, among USG Corporation  and the Banks listed on
                        the signature page thereto and Chemical Bank as Agent.

             (b)        Collateral Trust Agreement dated as of July 27, 1995 between USG Corporation, certain of its
                        subsidiaries and Wilmington Trust Company and William J. Wade, as Trustee.

             (c)        Company Pledge Agreement dated as of July  27, 1995, among USG Corporation, as Pledgor,  and
                        Wilmington Trust Company and William J. Wade, as Trustee.
<FN>
- ------------------------
* Previously filed.
</TABLE>
    

<PAGE>

                                  EXHIBIT 4(b)

                                     FORM OF


                       Consent in Lieu of Special Meeting
                             of a Special Committee
                      Created by the Board of Directors of
                                 USG Corporation
                      ------------------------------------


          The undersigned, being all of the members of a special committee (the

"Special Committee") designated and authorized by the Board of Directors of USG

Corporation, a Delaware corporation (the "Corporation"), in lieu of holding a

special meeting of the Special Committee, hereby take the following actions and

adopt the following resolutions by unanimous written consent pursuant to the

General Corporation Law of the State of Delaware and the By-laws of the

Corporation.

          WHEREAS, USG Corporation, a Delaware corporation (the "Corporation")
has entered into an Indenture, dated as of October 1, 1986 (the "Indenture"),
with Harris Trust and Savings Bank (the "Trustee"), providing for the issuance
from time to time of debt securities (the "Securities") in one or more series
under the Indenture; and

          WHEREAS, the Corporation desires to create a series of Securities
under the Indenture and to make provision for the form and terms thereof, and to
make provision for and authorize certain other matters and agreements in
connection with the issuance and sale of the Securities; and

          WHEREAS, the Board of Directors of the Corporation has established the
Special Committee and has authorized, empowered and directed the Special
Committee to take all actions relating to the issuance of up to $150 million in
principal amount of a separate series of Securities, determine and specify the
form and terms of such series and authorize the terms of issuance and sale of
such series; and

          WHEREAS, In connection with the offering (the "Offering") of the
series of Securities to be authorized pursuant to these resolutions, the Special
Committee has reviewed (i) that certain preliminary prospectus (the "Preliminary
Prospectus") which is part of a registration statement (the "Registration
Statement") filed with the Securities & Exchange Commission on July 24, 1995,
and

<PAGE>

(ii) an underwriting agreement (the "Underwriting Agreement") dated as of August
__, 1995, among the Corporation and the underwriters parties thereto; and

          WHEREAS, the capitalized terms used in these resolutions and not
otherwise defined herein shall have the same meaning herein as the meanings
given to such terms in the Indenture;

          NOW, THEREFORE, BE IT RESOLVED:  That the following resolutions are
adopted by the Special Committee effective as of August __, 1995.

          BE IT FURTHER RESOLVED:  That there is hereby approved and established
a series of Securities under the Indenture, whose terms shall be as follows
(certain capitalized terms used in this resolution are defined in paragraph 16
hereof):

          (1)  SERIES DESIGNATION.  The series of Securities established hereby
to be issued pursuant to the Indenture shall be known and designated as the
"____% Senior Notes due 2005" (the "Senior 2005 Notes").

          (2)  AGGREGATE PRINCIPAL AMOUNT.  The aggregate principal amount of
the Senior 2005 Notes shall be limited to $150,000,000 (except as provided in
Section 2.01(2) of the Indenture).

          (3)  MATURITY.  The stated maturity of the principal of the Senior
2005 Notes shall be __________, 2005.

          (4)  PAYMENT OF INTEREST.  The Senior 2005 Notes shall bear interest
at the rate of ____% per annum from __________, 1995 or from the most recent
Interest Payment Date (defined below) to which interest has been paid or duly
provided for, as the case may be, payable on each ___________ and __________,
commencing ______________, 1996, until the principal amount thereof is paid or
made available for payment.  Each __________ and ___________ shall be an
"Interest Payment Date" for the Senior 2005 Notes.  The ___________ or
___________ (whether or not a Business Day) next preceding an Interest Payment
Date shall be the "Regular Record Date" for the interest payable on such
Interest Payment Date.

          (5)  PLACE OF PAYMENT.  Principal (and premium, if any) and interest
is payable, and the transfer of the Senior 2005 Notes is registrable, at the
office or agency of the Corporation maintained for such purpose in the City of
Chicago, State of Illinois, currently the Corporate Trust Office of the Trustee,
Harris Trust and Savings Bank, 311 West Monroe Street, Chicago, Illinois 60690;
provided, however, that payment of interest may be made at the option of the
Corporation by check or draft mailed to the person entitled thereto as such
person's address appears in the


                                      - 2 -
<PAGE>

security register maintained for such purpose pursuant to the Indenture.  No
service charge will be made for any transfer or exchange except the Corporation
may require payment of a sum sufficient to cover any tax or other governmental
charge payable in connection therewith.

          (6)  REDEMPTION.  The Senior 2005 Notes are not subject to redemption
by the Corporation prior to                      , 2000.  Thereafter, the Senior
2005 Notes may, from time to time, be redeemed, in whole or in part, at the
option of the Corporation upon not less than 30 nor more than 60 days' prior
notice to Holders given as provided in Section 3.02 of the Indenture, at the
redemption prices set forth below (expressed in percentages of the principal
amount thereof), plus accrued and unpaid interest thereon, up to the Redemption
Date (provided that installments of interest, which are due and payable on or
prior to the Redemption Date, shall be payable to the Holders of such Senior
2005 Notes, registered as such at the close of business on the relevant record
dates, according to the terms and provisions of Sections 2.04 and 3.03 of the
Indenture.)


                 REDEMPTION PERIOD                PERCENTAGE
                 -----------------                ----------

         _______, 2000 to __________, 2001
         _______, 2001 to __________, 2002
         _______, 2002 to __________, 2003
                    After __________, 2003                  100%


If less than all of the Senior 2005 Notes are to be redeemed, the selection of
the Senior 2005 Notes to be redeemed shall be made as provided in Section 3.02
of the Indenture.

          (7)  REGISTERED SECURITIES ONLY.  Subject to paragraph 9 hereof, the
Senior 2005 Notes shall be issued as Registered Securities only, in fully
registered form, without coupons.

          (8)  ADDITIONAL AMOUNTS.  The Corporation will not pay any Additional
Amounts on the Senior 2005 Notes held by a person who is not a U.S. Person in
respect of any tax, assessment or governmental charge withheld or deducted.

          (9)  (a) GLOBAL SECURITY.  The Senior 2005 Notes will initially be
issued in the form of one or more Global Securities (as defined below) held in
book-entry form.  The Depository Trust Company ("DTC") or its nominees shall be
the Depositary (as defined below) and the sole registered Holder of the Senior
2005 Notes for all purposes under the Indenture.  "Global Security" means a
security evidencing all or a part of a series of Securities issued


                                      - 3 -
<PAGE>

to, and registered in the name of, the depository for such series (or its
nominee) (the "Depository") in accordance with this paragraph (9).

          (b) PAYMENTS.  Payment of principal and interest on Senior 2005 Notes
represented by any such Global Security will be made to DTC or its nominee, as
the case may be, as the sole registered owner and the sole Holder of the Senior
2005 Notes represented thereby for all purposes under the Indenture.  None of
the Corporation, the Trustee, any agent of the Corporation, or the Underwriters
will have any responsibility or liability for any aspect of DTC's records
relating to or payments made on account of beneficial ownership interests in a
Global Security representing any Senior 2005 Notes or for maintaining,
supervising, or reviewing any of DTC's records relating to such beneficial
ownership interests.

          (c)  EXCHANGE OF GLOBAL SECURITY.  A Global Security may not be
transferred except as a whole by DTC to a nominee of DTC.  A Global Security is
exchangeable for certificated Senior 2005 Notes only if (i) DTC notifies the
Corporation that it is unwilling or unable to continue as a Depository for such
Global Security or if at any time DTC ceases to be a clearing agency registered
under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (ii)
the Corporation executes and delivers to the Trustee a notice that such Global
Security shall be so transferable, registrable, and exchangeable, and such
transfers shall be registrable, or (iii) there shall have occurred and be
continuing an Event of Default or an event which, with the giving of notice or
lapse of time or both, would constitute an Event of Default with respect to the
Senior 2005 Notes represented by such Global Security.  Any Global Security that
is exchangeable for certificated Senior 2005 Notes pursuant to the preceding
sentence will be transferred to, and registered and exchanged for, certificated
Senior 2005 Notes in authorized denominations and registered in such names as
the Depository holding such Global Security may direct.  Subject to the
foregoing, a Global Security is not exchangeable, except for a Global Security
of like denomination to be registered in the name of the Depository or its
nominee.  In the event that a Global Security becomes exchangeable for
certificated Senior 2005 Notes, (i) certificated Senior 2005 Notes will be
issued only in fully registered form in denominations of $1,000 or integral
multiples thereof, (ii) payment of principal, any repurchase price, and interest
on the certificated Senior 2005 Notes will be payable, and the transfer of the
certificated Senior 2005 Notes will be registerable at the office or agency of
the Corporation maintained for such purposes, and (iii) no service charge will
be made for any registration of transfer or exchange of the certificated Senior
2005 Notes, although the Corporation may


                                      - 4 -
<PAGE>

require payment of a sum sufficient to cover any tax or governmental charge
imposed in connection therewith.

          (f)  DEPOSITORY.  So long as the Depository for a Global Security, or
its nominee, is the registered owner of such Global Security, such Depository or
such nominee, as the case may be, will be considered the sole owner or Holder of
the Senior 2005 Notes represented by such Global Security for the purposes of
receiving payment of the Senior 2005 Notes, receiving notices, and for all other
purposes hereunder and under the Indenture and the Senior 2005 Notes.

          (10)  ADDITIONAL COVENANTS.  The following additional covenants of the
Corporation shall be added for the benefit of the Senior 2005 Notes and will be
applicable to the Corporation unless and until the Corporation reaches
Investment Grade Status; after the Corporation has reached Investment Grade
Status, and notwithstanding that the Corporation's Debt Rating may later cease
to be rated Investment Grade by either S&P or Moody's or both, the Corporation
will be released from its obligations to comply with each of the restrictive
covenants described below, except for clauses (a), (b), (d) and (e):

          (a) LIMITATION ON INDEBTEDNESS.

          (A)  The Corporation will not, directly or indirectly, Incur any
     Indebtedness unless, immediately after the date of the Incurrence of such
     Indebtedness and after giving effect to the Incurrence of such Indebtedness
     and the receipt and application of the proceeds thereof as if such
     Indebtedness had been Incurred and the proceeds thereof applied on the
     first day of the Determination Period, the Consolidated Interest Coverage
     Ratio of the Corporation exceeds 2.0 to 1.

          (B)  Notwithstanding the foregoing, the Corporation may Incur the
     following Indebtedness (although any Indebtedness so Incurred shall be
     included, to the extent outstanding at the Transaction Date, in any
     subsequent determination of the Consolidated Interest Coverage Ratio):
     (i) Indebtedness under the Credit Agreement; (ii) Indebtedness outstanding
     on the Issue Date; (iii) Indebtedness outstanding under the Senior 2005
     Notes; (iv) Indebtedness of the Corporation in respect of Capital Lease
     Obligations and Sale and Leaseback Transactions Incurred after the Issue
     Date if after giving effect to the Incurrence of such Indebtedness the
     aggregate amount of Priority Indebtedness outstanding would not exceed the
     Priority Indebtedness Basket; (v) Indebtedness under Interest Rate
     Protection Agreements, provided that the obligations under such agreements
     are related to payment obligations on Indebtedness otherwise permitted by
     the terms of this


                                      - 5 -
<PAGE>

     covenant; (vi) Indebtedness of the Corporation to any wholly owned
     Restricted Subsidiary of the Corporation (but only so long as such debt is
     held by such wholly owned Restricted Subsidiary); (vii) Permitted
     Refinancing Indebtedness; (viii) Indebtedness incurred in connection with a
     prepayment of the Senior 2005 Notes pursuant to a Change of Control,
     provided that (x) the principal amount of such Indebtedness does not exceed
     the principal amount of the Senior 2005 Notes prepaid plus all interest
     accrued thereon and all related fees, expenses and redemption and
     repurchase premiums related thereto (including any payments made in
     connection with procuring any required lender or similar consents);
     (y) such Indebtedness has an Average Life equal to or greater than the
     remaining Average Life of the Senior 2005 Notes; and (z) such Indebtedness
     does not mature prior to the Stated Maturity of the Senior 2005 Notes; and
     (ix) Indebtedness not otherwise permitted to be Incurred pursuant to this
     clause (B) or clause (A) above in an aggregate principal amount at any one
     time outstanding not to exceed $125 million.

          (b) LIMITATION ON RESTRICTED SUBSIDIARY INDEBTEDNESS AND
PREFERRED STOCK.

          (A)  The Corporation will not permit any of its Restricted
     Subsidiaries to Incur, directly or indirectly, any Indebtedness or issue
     any Preferred Stock, except: (i) Indebtedness outstanding on the Issue
     Date; (ii) Indebtedness or Preferred Stock issued to and held by the
     Corporation or any wholly owned Restricted Subsidiary of the Corporation
     (but only so long as such Indebtedness or Preferred Stock is held or owned
     by the Corporation or any wholly owned Restricted Subsidiary of the
     Corporation); (iii) Indebtedness of a Restricted Subsidiary in respect of
     Capital Lease Obligations and Sale and Leaseback Transactions if after
     giving effect to the Incurrence of such Indebtedness the aggregate amount
     of Priority Indebtedness outstanding would not exceed the Priority
     Indebtedness Basket; (iv) Indebtedness under Interest Rate Protection
     Agreements, provided that the obligations under such agreements are related
     to payment obligations on Indebtedness otherwise permitted by the terms of
     this covenant; (v) Indebtedness Incurred as Project Financing by a Foreign
     Restricted Subsidiary; (vi) Indebtedness not otherwise permitted to be
     Incurred or Preferred Stock not otherwise permitted to be issued pursuant
     to this paragraph if after giving effect to the Incurrence of such
     Indebtedness or the issuance of such Preferred Stock the aggregate amount
     of Priority Indebtedness outstanding would not exceed the Priority
     Indebtedness Basket; provided that the aggregate amount of Indebtedness
     Incurred or Preferred Stock issued by Domestic Restricted Subsidiaries
     pursuant to this


                                      - 6 -
<PAGE>

     clause (vi) shall not exceed $75 million at any one time outstanding; and
     (vii) Indebtedness Incurred or Preferred Stock issued in exchange for, or
     the proceeds of which are used to Refinance, Indebtedness referred to in
     clause (i) of this paragraph (or any successor Indebtedness Incurred
     pursuant to and in accordance with this clause (vi) to Refinance such
     Indebtedness or successor Indebtedness), to the extent that (A) the
     principal amount of such Indebtedness or the liquidation value of such
     Preferred Stock so Incurred or issued does not exceed the principal amount
     or liquidation value of the Indebtedness or Preferred Stock so exchanged or
     Refinanced plus all interest or dividends accrued thereon and all related
     fees, expenses and redemption and repurchase premiums (including any
     payments made in connection with procuring any required lender or similar
     consents), (B) the Indebtedness so Incurred or Preferred Stock so issued
     has a Stated Maturity or final redemption date later than the Stated
     Maturity or final redemption date (if any) of, and an Average Life that is
     longer than that of, the Indebtedness or Preferred Stock being exchanged or
     Refinanced and (C) the Indebtedness so Incurred or Preferred Stock so
     issued has no greater recourse to the Property of the Corporation or its
     Subsidiaries than that of the Indebtedness or Preferred Stock being
     exchanged or refinanced.

          (B)  Any Indebtedness Incurred or Preferred Stock issued pursuant to
     the preceding paragraph will be included, to the extent outstanding at the
     Transaction Date, in any subsequent determination of the Consolidated
     Interest Coverage Ratio.

          (C)  The Corporation will not, and will not permit any of its
     Restricted Subsidiaries to, take any action or enter into any transaction
     or series of transactions that would result in a Person becoming a
     Restricted Subsidiary (whether through an acquisition, the redesignation of
     an Unrestricted Subsidiary or otherwise) unless, after giving effect to
     such action, transaction or series of transactions, on a pro forma basis,
     (i) the Corporation could Incur at least $1.00 of additional Indebtedness
     pursuant to clause (a)(A) of this paragraph (10) and (ii) such Subsidiary
     could then Incur, pursuant to subclauses (ii) through (vi) of clause (A)
     above, all Indebtedness as to which it is obligated at such time.

          (c)  LIMITATIONS ON RESTRICTED PAYMENTS.

          (A)  The Corporation will not, and will not permit any of its
     Restricted Subsidiaries to, directly or indirectly, make any Restricted
     Payment if, at the time of and after giving effect to the proposed
     Restricted Payment (i) any Default or Event of Default has occurred and is
     continuing, (ii) the


                                      - 7 -
<PAGE>

     Corporation could not incur at least $1.00 of additional Indebtedness under
     clause (a)(A) of this paragraph (10) or (iii) the aggregate amount expended
     or declared for all Restricted Payments from the Issue Date (the Fair
     Market Value of the amount so expended or committed, if other than in cash,
     to be determined in good faith by the Board of Directors of the
     Corporation) exceeds the sum of (A) 50% of the aggregate Consolidated Net
     Income of the Corporation (or, if Consolidated Net Income shall be a
     deficit, minus 100% of such deficit) commencing on the last day of the
     fiscal quarter immediately preceding the Issue Date and ending on the last
     day of the fiscal quarter immediately preceding the date of such Restricted
     Payment, (B) 100% of the aggregate net proceeds, including cash and the
     Fair Market Value of Property other than cash, received by the Corporation
     subsequent to the Issue Date from capital contributions from its
     stockholders or from the issuance or sale (other than to a Subsidiary) of
     Qualified Capital Stock of the Corporation or of any convertible securities
     or debt obligations issued on or after the date of issuance of the Senior
     2005 Notes which have been converted into, exchanged for or satisfied by
     the issuance of Qualified Capital Stock and (C) $175.0 million
     (collectively, the "Restricted Payment Basket").

          (B)  The foregoing limitations do not prevent the Corporation from
     (i) paying a dividend on its Capital Stock within 60 days after declaration
     thereof if, on the declaration date, the Corporation could have paid such
     dividend in compliance with the Indenture; (ii) acquiring shares of its
     Capital Stock (1) solely in exchange for other shares of its Capital Stock
     (other than Redeemable Stock), (2) to eliminate fractional shares for up to
     an aggregate consideration in any fiscal year of the Corporation not to
     exceed $10.0 million, (3) pursuant to an order of a court of competent
     jurisdiction, or (4) from an employee or director of the Corporation in
     connection with repurchase provisions under employee or director stock
     option and stock purchase agreements or plans or other agreements to
     compensate employees or directors of the Corporation, but in no event may
     such acquisition of its shares by the Corporation be for a price greater
     than the higher of fair market value and the price at which such securities
     were sold to such employee or director by the Corporation; (iii) purchasing
     or redeeming Indebtedness which is contractually subordinated to the Senior
     2005 Notes in exchange for, or out of the proceeds of, the substantially
     concurrent (1) sale or issuance of Capital Stock (other than Redeemable
     Stock) of the Corporation, or (2) Incurrence of Indebtedness of the
     Corporation that is at least as contractually subordinated in right of
     payment to the Senior 2005 Notes and has a Stated Maturity later than the


                                      - 8 -
<PAGE>

     Stated Maturity of the Senior 2005 Notes as the Indebtedness so refinanced
     and an Average Life greater than the remaining Average Life of the Senior
     2005 Notes; (iv) the distribution or redemption by the Corporation of any
     rights to purchase capital stock of the Corporation or any other Person
     which rights are or were issued as part of a shareholder rights plan;
     provided that any such redemption will be at a price not to exceed $0.01
     per right; (v) the making of any payment required pursuant to the
     Corporation's 1988 plan of recapitalization or the Corporation's 1993 plan
     of reorganization; provided that such payments shall not exceed $5 million
     in the aggregate; and (vi) purchasing or redeeming up to 25% of the stock
     of any Restricted Subsidiary to the extent the Restricted Payment Basket is
     not exceeded.  Further, (x) the foregoing restrictions do not prevent CGC
     Inc. from paying ordinary dividends and (y) in the case of a Qualified
     Receivables Transaction, the foregoing limitations do not prevent a
     Receivables Subsidiary from acquiring equity interests of a trust or other
     person established by such Receivables Subsidiary to effect such Qualified
     Receivables Transaction.

          (C)  The payments permitted to be made pursuant to subclauses (ii)(1),
     (iii), (iv) and (v) of clause (B) above shall be excluded for purposes of
     any future calculations of the aggregate amount expended or declared for
     Restricted Payments.  The payments permitted to be made pursuant to
     subclauses (i), (ii)(2), (ii)(3), (ii)(4), and (vi) above, and payments of
     dividends pursuant to subclause (x) of the last sentence of clause (B)
     above made by CGC Inc. to any Person other than the Corporation or its
     Restricted Subsidiaries, shall be included for purposes of any future
     calculations of the aggregate amount expended or declared for Restricted
     Payments.

          (d)  LIMITATION UPON SECURED INDEBTEDNESS OF THE CORPORATION AND ITS
RESTRICTED SUBSIDIARIES.  (A) So long as any of the Senior 2005 Notes are
outstanding, the Corporation will not itself, and will not permit any Restricted
Subsidiary to, Incur any Indebtedness secured by a Lien on any Principal
Operating Property or on any shares of stock or Indebtedness of any Restricted
Subsidiary, without effectively providing that the Senior 2005 Notes (together
with, if the Corporation so determines, any other Senior Indebtedness of the
Corporation or Indebtedness of such Restricted Subsidiary then existing or
thereafter created) shall be secured equally and ratably with (or, at the
Corporation's option, prior to) such secured Indebtedness so long as such
secured Indebtedness shall be so secured, unless, after giving effect thereto,
Priority Indebtedness would not exceed the Priority Indebtedness Basket.


                                      - 9 -
<PAGE>

          (B)  Notwithstanding clause (A) of this paragraph (d), this
restriction does not apply to, and there will be excluded from secured
Indebtedness in any computation of Priority Indebtedness determined by reference
to such restriction, Indebtedness secured by:

          (i) Liens on property of, or on any shares of stock or Indebtedness
     of, any Person existing at the time such Person becomes a Restricted
     Subsidiary;

          (ii) Liens in favor of the Corporation or a wholly owned Restricted
     Subsidiary;

          (iii) Liens in favor of governmental bodies to secure progress,
     advance or other payments pursuant to any contract or provision of any
     statute;

          (iv) (y) if made and continuing in the ordinary course of business,
     any Lien as security for the performance of any contract or undertaking not
     directly or indirectly in connection with the borrowing of money or the
     securing of Indebtedness, or (z) any Lien with any governmental agency
     required or permitted to qualify the Corporation or any Restricted
     Subsidiary to conduct business, to maintain self-insurance or to obtain the
     benefits of any law pertaining to workmen's compensation, unemployment
     insurance, old age pensions, social security or similar matters;

          (v)  Liens for taxes, assessments or governmental charges or levies if
     such taxes, assessments, governmental charges or levies shall not at the
     time be due and payable, or if the same thereafter can be paid without
     penalty, or if the same are being contested in good faith by appropriate
     proceedings;

          (vi) Liens created by or resulting from any litigation or legal
     proceeding which at the time is currently being contested in good faith by
     appropriate proceedings; or Liens arising out of judgments or awards as to
     which the time for prosecuting an appeal or proceeding for review has not
     expired;

          (vii) Liens on, and limited to, property (including leasehold
     estates), shares of stock or Indebtedness existing at the time of
     acquisition thereof (including acquisition through merger or consolidation
     and not put in place in contemplation of the transaction) or to secure the
     payment of all or any part of the purchase price thereof or construction
     thereon or to secure any Indebtedness incurred prior to, at


                                     - 10 -
<PAGE>

     the time of, or within 120 days after the later of the acquisition, the
     completion of construction or the commencement of full operation of such
     property or within 120 days after the acquisition of such shares or
     Indebtedness for the purpose of financing all or any part of the purchase
     price thereof or construction thereon;

          (viii) Liens on the assets of a Receivables Subsidiary in a Qualified
     Receivables Transaction; and

          (ix) any extension, renewal or replacement (or successive extensions,
     renewals or replacements), as a whole or in part, of any Lien referred to
     in the foregoing clauses (i) through (viii), inclusive, provided, that (x)
     such extension, renewal or replacement Lien shall be limited to all or a
     part of the same property, shares of stock or Indebtedness that secured the
     Lien extended, renewed or replaced (plus improvements on such property) and
     (y) the Indebtedness secured by such Lien at such time is not increased.

          (e)  LIMITATION UPON SALE AND LEASEBACK TRANSACTIONS.

          (A)  So long as any of the Senior 2005 Notes are outstanding, except
     as hereinafter provided, the Corporation will not itself, and will not
     permit any Restricted Subsidiary to, enter into any Sale and Leaseback
     Transaction with respect to any Principal Operating Property owned by them
     while the Senior 2005 Notes are outstanding.

          (B)  This restriction does not apply to any Sale and Leaseback
     Transaction if: (i) the Corporation or such Restricted Subsidiary could
     mortgage such Principal Operating Property under the restrictions set forth
     under clause (d) of this paragraph (10) in an amount equal to the
     Attributable Value with respect to such Sale and Leaseback Transaction
     without equally and ratably securing the Indenture Securities; (ii) within
     120 days after the sale or transfer is completed, the Corporation or a
     Restricted Subsidiary applies to the retirement of Senior Indebtedness of
     the Corporation or Indebtedness of a Restricted Subsidiary an amount equal
     to the greater of (A) the net proceeds of the sale of the Principal
     Operating Property leased or (B) the fair market value of the Principal
     Operating Property leased at the time of entering into such arrangement (as
     determined in any manner approved by the Board of Directors); or (iii) such
     arrangement is between the Corporation and a wholly-owned Restricted
     Subsidiary or between Restricted Subsidiaries.


                                     - 11 -
<PAGE>

          (f)  TRANSACTIONS WITH AFFILIATES.

          (A)  Neither the Corporation nor any Restricted Subsidiary will be
     permitted to: (i) sell, lease, transfer, or otherwise dispose of any of its
     properties, assets, or securities to; (ii) purchase any property, assets,
     or securities from; or (iii) enter into any contract or agreement with, or
     for the benefit of, an Affiliate, within the meaning of Rule 405
     promulgated by the Commission under the Securities Act, of the Corporation
     or a Subsidiary of the Corporation (an "Affiliate Transaction"), other than
     Affiliate Transactions (A) in the ordinary course of business with
     Affiliates which are directly or indirectly controlled by the Corporation
     and are engaged in a similar or complementary line of business, which
     Affiliate Transactions do not exceed: (a) $25.0 million in any one
     Affiliate Transaction or series of related Affiliate Transactions unless a
     majority of the disinterested members of the Board of Directors of the
     Corporation determines that such Affiliate Transaction or series of
     Affiliate Transactions is on terms not less favorable to the Corporation or
     such Restricted Subsidiary than those that would apply to an arms-length
     transaction with an unaffiliated party and (b) $100.0 million in any one
     Affiliate Transaction or series of related Affiliate Transactions unless
     the test set forth in clause (a) has been satisfied and the Board of
     Directors of the Corporation shall have been advised by an independent
     financial advisor that, in the opinion of such advisor, such Affiliate
     Transaction or series of Affiliate Transactions is fair, from a financial
     point of view, to the Corporation or such Restricted Subsidiary; and
     (B) with Affiliates other than those described in subclause (A) above,
     which in the aggregate do not exceed: (a) $5.0 million in any one Affiliate
     Transaction or series of related Affiliate Transactions unless an officer
     of the Corporation certifies in writing that such Affiliate Transaction or
     series of Affiliate Transactions is on terms not less favorable to the
     Corporation or such Restricted Subsidiary than those that would apply to an
     arms-length transaction with an unaffiliated party; (b) $25.0 million in
     any one Affiliate Transaction or series of related Affiliate Transactions
     unless a majority of the disinterested members of the Board of Directors of
     the Corporation determines that such Affiliate Transaction or series of
     Affiliate Transactions is on terms not less favorable to the Corporation or
     such Restricted Subsidiary than those that would apply to an arms-length
     transaction with an unaffiliated party and (c) $100.0 million in any one
     Affiliate Transaction or series of related Affiliate Transactions unless
     the test set forth in clause (b) has been satisfied and the Board of
     Directors of the Corporation shall have been advised by an independent
     financial advisor that, in


                                     - 12 -
<PAGE>

     the opinion of such advisor, such Affiliate Transaction or series of
     Affiliate Transactions is fair, from a financial point of view, to the
     Corporation or such Restricted Subsidiary; provided that (x) transactions
     between or among the Corporation and/or its wholly owned Restricted
     Subsidiaries will not be considered Affiliate Transactions and
     (y) transactions between a Receivables Subsidiary and any Person as part of
     a Qualified Receivables Transaction will not be considered an Affiliate
     Transaction, but only to the extent such transactions are solely in
     connection with the Qualified Receivables Transaction.  In addition, any
     other Affiliate Transactions that are not covered by subclause (A) or (B)
     of the preceding sentence by reason of their size shall be on terms not
     less favorable to the Corporation or such Restricted Subsidiary than those
     that would apply to an arms-length transaction with an unaffiliated party.

          (B)  The limitations in subclause (A) above do not apply to
     (i) transactions with an officer or director of the Corporation or any
     Subsidiary of the Corporation entered into in the ordinary course of
     business regarding compensation or employee benefit arrangements
     or (ii) transactions between the Corporation and its wholly owned
     Restricted Subsidiaries or among its wholly owned Restricted
     Subsidiaries or (iii) transactions in the ordinary course of business
     consistent with past practice between the Corporation and CGC Inc., so long
     as CGC Inc. remains a Restricted Subsidiary.

          (g)  LIMITATION ON ASSET SALES.

          (A)  The Corporation will not, and will not permit any Restricted
     Subsidiary to, consummate any Asset Sale unless: (i) the Corporation or
     such Restricted Subsidiary, as the case may be, receives consideration at
     least equal to the Fair Market Value of the Property disposed of and
     (ii) at least 70% of the consideration received by the Corporation or such
     Restricted Subsidiary for such Property is in the form of cash, cash
     equivalents, Indebtedness with respect to which the Corporation and its
     remaining Restricted Subsidiaries are no longer liable and trade payables
     assumed by the buyer; provided that the Corporation must, within 270 days
     of such Asset Sale, at the Corporation's option, (1) reinvest (or cause a
     Restricted Subsidiary to reinvest) an amount equal to the Net Cash Proceeds
     (or any portion thereof) from such disposition in Additional Assets and/or
     (2) apply an amount equal to such Net Cash Proceeds


                                     - 13 -
<PAGE>

     to the repayment of Senior Indebtedness or Indebtedness of Restricted
     Subsidiaries and/or (3) offer to apply an amount equal to such Net Cash
     Proceeds to the repayment of the Senior 2005 Notes and repurchase any
     Senior 2005 Notes properly tendered in acceptance of such Prepayment Offer
     on a pro rata basis at a purchase price at least equal to 100% of their
     principal amount plus interest accrued to the date of such repurchase
     (subject to the rights of Holders of record on the relevant record date to
     receive such interest).  In the event the remaining Net Cash Proceeds
     resulting from any Asset Sale after giving effect to the purchase of
     Additional Assets and/or the repayment of Senior Indebtedness or
     Indebtedness of Restricted Subsidiaries are less than $25.0 million, the
     application of an amount equal to such remaining Net Cash Proceeds to a pro
     rata offer to repurchase the Senior 2005 Notes may be deferred until such
     time as such remaining Net Cash Proceeds, together with remaining Net Cash
     Proceeds from any prior or subsequent Asset Sales not otherwise applied in
     accordance with this paragraph, are at least equal to $25.0 million.  To
     the extent that any portion of the amount of Net Cash Proceeds remains
     after compliance with the foregoing and provided that all Holders have been
     given the opportunity to tender their Senior 2005 Notes for repurchase as
     provided in subclause (3) above, the Corporation or such Restricted
     Subsidiary may use such remaining amount for general corporate purposes.

          (B)  Within five Business Days after 270 days from the date of an
     Asset Sale, the Corporation shall, if it chooses (or is obligated) to apply
     an amount equal to any remaining Net Cash Proceeds (or any portion thereof)
     to fund an offer to repurchase the Senior 2005 Notes, send a written
     Prepayment Offer Notice, by first-class mail, to the Holders of the Senior
     2005 Notes.  The Prepayment Offer Notice will also state (i) that the
     Corporation is offering to purchase Senior 2005 Notes pursuant to the
     provisions of the Indenture described in clause (g) of this paragraph (10),
     (ii) that any Senior 2005 Notes (or any portion thereof) accepted for
     payment (and duly paid on the Purchase Date) pursuant to the Prepayment
     Offer will cease to accrue interest after the Purchase Date, (iii) the
     Expiration Date of the Prepayment Offer, which will be, subject to any
     contrary requirements of applicable law, not less than 30 days nor more
     than 60 days after the date of such Prepayment Offer, (iv) a Purchase Date
     (which shall be the settlement date for the purchase of Senior 2005 Notes
     and shall be within three business days after the Expiration Date), (v) the
     aggregate principal amount of Senior 2005 Notes to be purchased and the
     purchase price thereof and (vi) a description of the procedure which a
     Holder must follow and any other information necessary to tender all or any
     portion of such Holder's Senior 2005 Notes.


                                     - 14 -
<PAGE>

          (h)  LIMITATION ON DIVIDEND AND OTHER PAYMENT RESTRICTIONS AFFECTING
RESTRICTED SUBSIDIARIES.  The Corporation will not be permitted to, and will not
permit any Restricted Subsidiary to, directly or indirectly, create or otherwise
cause or suffer to exist any encumbrance or restriction (other than pursuant to
law or regulation) on the ability of any Restricted Subsidiary to (i) pay any
dividend on, or make any other distribution on account of, its capital stock or
pay any Indebtedness owed to the Corporation or a Restricted Subsidiary,
(ii) make loans or advances to the Corporation or a Restricted Subsidiary, or
(iii) transfer any of its property or assets to the Corporation or any other
Restricted Subsidiary, except for (a) restrictions in agreements existing as of
the date of issuance of the Senior 2005 Notes, (b) restrictions in the
Collateral Trust Agreement, (c) restrictions on Foreign Restricted Subsidiaries
relating to Project Financings, (d) restrictions on Foreign Joint Ventures,
(e) restrictions on Domestic Joint Ventures, but only to the extent that the
amounts invested by the Corporation in the entities subject to such restrictions
do not exceed $25.0 million in the aggregate at any one time, (f) Indebtedness
or other contractual requirements of a Receivables Subsidiary solely in
connection with a Qualified Receivables Transaction, provided that such
restrictions apply only to such Receivables Subsidiary, (g) any encumbrance or
restriction pursuant to an agreement relating to an acquisition of Property, so
long as the encumbrances or restrictions in any such agreement relate solely to
the Property so acquired and were not created in connection with or in
anticipation of such acquisition, (h) any encumbrance or restriction relating to
any Indebtedness of any Restricted Subsidiary at the date on which such
Restricted Subsidiary was acquired by the Corporation or any Restricted
Subsidiary (other than Indebtedness issued by such Restricted Subsidiary in
connection with or in anticipation of its acquisition), (i) any encumbrance or
restriction pursuant to an agreement effecting a permitted refinancing of
Indebtedness issued pursuant to an agreement referred to in the foregoing
clauses (a), (b), (g) and (h), so long as the encumbrances and restrictions
contained in any such refinancing agreement are no more restrictive than the
encumbrances and restrictions contained in such agreements, (j) customary
provisions restricting subletting or assignment of leases and customary
provisions in other agreements that restrict assignment of such agreements or
rights thereunder, (k) any restriction on the sale or other disposition of
assets or Property securing debt as a result of a lien of the kind set forth in
subclauses (i)-(viii) of clause (d)(B) of this paragraph (10), (l) restrictions
in agreements with Foreign Restricted Subsidiaries taking the form of net worth
maintenance tests and similar financial covenants and (m) agreements for the
purchase of synthetic gypsum entered into in the ordinary course of business
consistent with past practice.


                                     - 15 -
<PAGE>

          (i)  RESTRICTED AND UNRESTRICTED SUBSIDIARIES.  The Corporation may
designate a Subsidiary (including a newly formed or newly acquired Subsidiary)
of the Corporation or any of its Restricted Subsidiaries as an Unrestricted
Subsidiary if (i) such Subsidiary does not have any obligations which, if in
Default, would result in a cross default on Indebtedness of the Corporation and
(a) such Subsidiary has total assets of $1,000 or less, or (b) such designation
is effective immediately upon such Person becoming a Subsidiary of either the
Corporation or any of its Restricted Subsidiaries or (ii) such Subsidiary is a
Receivables Subsidiary or a captive insurance company.  Unless so designated as
an Unrestricted Subsidiary, any Person that becomes a Subsidiary of the
Corporation or any of its Restricted Subsidiaries shall be classified as a
Restricted Subsidiary thereof.  Except as provided in subclause (i)(a) of this
clause (i), no Restricted Subsidiary may be redesignated as an Unrestricted
Subsidiary.  An Unrestricted Subsidiary may be redesignated as a Restricted
Subsidiary.  The designation of an Unrestricted Subsidiary or removal of such
designation shall be made by the Board of Directors of the Corporation or a
committee thereof pursuant to a certified resolution delivered to the Trustee
and shall be effective as of the date specified in the applicable certified
resolution, which shall not be prior to the date such certified resolution is
delivered to the Trustee.

          (11)(a)  CHANGE OF CONTROL.  Upon the occurrence of a Change of
Control, each Holder shall have the right to require the Corporation to
repurchase such Holder's Senior 2005 Notes, in whole or in part, in integral
multiples of $1,000, pursuant to an offer to purchase by the Corporation (the
"Change of Control Offer") at a price (the "Repurchase Price") in cash equal to
100% of the aggregate principal amount thereof, plus accrued and unpaid interest
thereon, if any, to the Change of Control Payment Date (as defined in clause (b)
below.)

          (b)  NOTICE.  Within 30 calendar days subsequent to the date of any
Change of Control, the Corporation will mail a notice to each Holder and to the
Trustee stating, among other things, (i) that a Change of Control has occurred
and a Change of Control Offer is being made, and that, although Holders are not
required to tender their Senior 2005 Notes, all Senior 2005 Notes that are
timely tendered will be accepted for payment, (ii) the Repurchase Price and the
payment date (the "Change of Control Payment Date"), which will be a date
occurring no earlier than 30 days and no later than 60 days after the date on
which such notice is mailed,(iii) that any Senior 2005 Notes (or any portion
thereof) accepted for payment pursuant to the Change of Control Offer (and duly
paid on the Change of Control Payment Date) will cease to accrue interest after
the Change of Control Payment Date, (iv) a description of the transaction or
transactions constituting the


                                     - 16 -
<PAGE>

Change of Control, and (v) the procedures that Holders must follow in order to
tender their Senior 2005 Notes for payment.

          (c)  CHANGE OF CONTROL AFTER ACHIEVING INVESTMENT GRADE STATUS.  In
the event the Corporation reaches Investment Grade Status, the Change of Control
provisions in clauses (a) and (b) above shall no longer apply, and thereafter if
both a Designated Event with respect to the Corporation and a Rating Decline in
connection therewith shall occur, the Corporation will be obligated to offer to
repurchase in the manner contemplated by clauses (a) and (b) above any or all of
the Senior 2005 Notes at a price in cash equal to 100% of the principal amount
thereof, plus accrued and unpaid interest to the date of repurchase.  If the
Corporation effects defeasance of the Senior 2005 Notes under either alternative
contemplated by paragraph 14 of this resolution prior to the date notice of a
Rating Decline in connection with a Designated Event is required, the
Corporation will not be obligated to make a repurchase offer as a result of such
Designated Event and Rating Decline.

          (d)  ACCRUED INTEREST.  Rights to receive accrued interest upon any
repurchase under this paragraph (11) shall be subject to the rights of Holders
of record on the relevant record date to receive such interest.

          (12)  ADDITIONAL RESTRICTIONS ON MERGER.  So long as any Senior 2005
Notes are outstanding, the following additional restrictions on merger shall be
added to those restrictions on merger in the Indenture for the benefit of the
Senior 2005 Notes and the Holders thereof:  the Corporation will not, except as
described below, consolidate with or merge into any other Person or sell or
transfer all or substantially all of its properties and assets to another Person
unless: (i) immediately before and after giving effect to such transaction or
series of related transactions on a pro forma basis, no Default or Event of
Default (and no event that, after notice or lapse of time, or both, would become
an Event of Default), shall have occurred and be continuing; (ii) immediately
after giving effect to such transaction or series of transactions on a pro forma
basis (including, without limitation, any Indebtedness Incurred or anticipated
to be Incurred in connection with such transaction or series of transactions),
the Corporation (or the surviving entity if the Corporation is not continuing)
would be able to Incur at least $1.00 of additional Indebtedness under clause
(a)(A) of paragraph (10) hereof; and (iii) immediately after giving effect to
such transaction or series of transactions on a pro forma basis (including,
without limitation, any Indebtedness Incurred or anticipated to be Incurred in
connection with such transaction or series of transactions) as if such
transaction had occurred on the first day of the Determination Period, the
Corporation (or the surviving entity if


                                     - 17 -
<PAGE>

the Corporation is not continuing) shall have a Consolidated Net Worth equal to
or greater than the Consolidated Net Worth of the Corporation immediately prior
to the transaction or series of transactions.  The foregoing restriction will
not apply to the merger or consolidation of a Restricted Subsidiary of the
Corporation with or into the Corporation.  In the event the Corporation reaches
Investment Grade Status and notwithstanding that the Corporation's Debt Rating
thereafter ceases to be rated Investment Grade by either S&P or Moody's or both
the restrictions contained in clauses (ii) and (iii) above shall cease to apply.

          (13)  (a) EVENTS OF DEFAULT.   The following additional Events of
Default shall be added for the benefit of the Senior 2005 Notes:

               (i) default in the payment of any principal or premium, if any,
          on the Senior 2005 Notes when the same becomes due and payable upon
          repurchase pursuant to a Prepayment Offer as described in clause (g)
          of paragraph (10) hereof or pursuant to a Change of Control or other
          Designated Event as described in paragraph (11) hereof;

               (ii) default for 60 days after written notice thereof in the
          performance of any covenant (other than those covered by subclause
          (i) and by Sections 6.01(a) and (b) of the Indenture applicable to the
          Senior 2005 Notes), which written notice requires remedy of such
          default and has been given to the Corporation by the Trustee, or to
          the Corporation and the Trustee by the Holders of at least twenty-five
          percent in aggregate principal amount of the Senior 2005 Notes;


               (iii) acceleration of maturity of any Indebtedness of the
          Corporation or any Subsidiary in excess of $50 million principal
          amount in the aggregate if such acceleration results from a default
          under the instruments giving rise to such indebtedness and is not
          annulled within 10 days after written notice of such default, which
          written notice requires the Corporation to cause such acceleration
          to be rescinded or annulled and has been given to the Corporation by
          the Trustee, or to the Corporation and the Trustee by the Holders of
          at least twenty-five percent in aggregate principal amount of the
          Senior 2005 Notes;  and

               (iv) the entry by a court of competent jurisdiction of one or
          more judgments or orders against the Corporation or any of its
          Restricted Subsidiaries in an uninsured aggregate amount in excess of
          $50 million and such judgment or order is not discharged, waived,
          stayed or satisfied for a period of 45 consecutive days.

          (b) ACCELERATION.  In case an Event of Default of the type described
in clause (a) above or in Section 6.01(a), (b) or


                                     - 18 -
<PAGE>

(c) of the Indenture shall occur and be continuing with respect to  the Senior
2005 Notes, the Trustee or the Holders of not less than 25% in aggregate
principal amount of the Senior 2005 Notes then outstanding by notice to the
Corporation may declare the principal of the Senior 2005 Notes to be due and
payable immediately.  If an Event of Default of the type described in Section
6.01 (d) or (e) shall occur and be continuing, all Senior 2005 Notes shall
become due and payable immediately without any further action or notice.

          (c)  WAIVER OF DEFAULTS.  Any Event of Default with respect to the
Senior 2005 Notes may be waived, and a declaration  of acceleration rescinded,
by the holders of a majority in aggregate principal amount of the Senior 2005
Notes except in a case of failure to pay principal or premium, if any, or
interest in respect of the Senior 2005 Notes or failure to honor change of
control provisions.

          (14) DEFEASANCE.  The provisions of Article Twelve of the Indenture
relating to defeasance of Securities shall be applicable to the Senior 2005
Notes, except that Section 12.02 of the Indenture as it relates to the Senior
2005 Notes shall be replaced by the following provision:

               SATISFACTION, DISCHARGE AND DEFEASANCE OF SENIOR 2005 NOTES. At
     the Corporation's option, either (a) the Corporation shall be deemed to
     have paid and discharged the entire indebtedness on all the Outstanding
     Senior 2005 Notes and the Trustee, at the expense of the Corporation, shall
     execute proper instruments acknowledging satisfaction and discharge of such
     indebtedness, or (b) the Corporation shall cease to be under any obligation
     to comply with any term, provision, condition or covenant applicable to the
     Senior 2005 Notes set forth in Section 11.01 of the Indenture and in
     paragraph 10, 11  and 12 of this resolution authorizing the series of
     Senior 2005 Notes and the issuance thereof, when:

               (i)  with respect to all Outstanding Senior 2005 Notes,

                    (A)  the Corporation shall have deposited or caused to be
               deposited with the Trustee as trust funds in trust for such
               purpose an amount sufficient to pay and discharge the entire
               indebtedness of all Outstanding Senior 2005 Notes for principal
               and interest to the stated maturity; or


                                     - 19 -
<PAGE>

                    (B)  the Corporation shall have deposited or caused to be
               deposited with the Trustee as obligations in trust for such
               purpose such amount of direct noncallable obligations of, or
               noncallable obligations the payment of principal of and interest
               on which is fully 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, maturing
               as to principal and interest in such amounts and at such times as
               will, together with the income to accrue thereon (but without
               reinvesting any proceeds thereof), be sufficient to pay and
               discharge the entire indebtedness on all Outstanding Senior 2005
               Notes for principal and interest to the stated maturity;

               (ii) the Corporation shall have paid or caused to be paid all
          other sums payable with respect to the Outstanding Senior 2005 Notes;

               (iii)     if the Senior 2005 Notes are then listed on any
          national securities exchange, the Corporation shall have delivered to
          the Trustee an Opinion of Counsel to the effect that the Corporation's
          exercise of its option under this provision would not cause such
          Senior 2005 Notes to be delisted;

               (iv) no Event of Default or event (including such deposit), which
          with notice or lapse of time would become an Event of Default, with
          respect to the Senior 2005 Notes shall have occurred and be continuing
          on the date of such deposit;

               (v)  the Corporation shall have delivered to the Trustee an
          Opinion of Counsel of nationally recognized tax counsel to the effect
          that Holders of the Senior 2005 Notes will not recognize income, gain
          or loss for Federal income tax purposes as a result of the
          Corporation's exercise of its option under this provision and will be
          subject to Federal income tax in the same amount and in the same
          manner and at the same times as would have been the case if such
          option had not been exercised;

               (vi)  the Corporation shall have delivered to the Trustee an
          Opinion of Counsel to the effect that the Corporation's exercise of
          its option under this provision


                                     - 20 -
<PAGE>

          will not cause any violation of the Investment Company Act of 1940, as
          amended, on the part of the Corporation, the trust, the trust funds
          representing the Corporation's deposit or the Trustee; and

               (vii)     the Corporation shall have delivered to the Trustee an
          Officers' Certificate and an Opinion of Counsel, each stating that all
          conditions precedent relating to the Corporation's exercise of its
          option under this provision have been complied with.

          Any deposits with the Trustee referred to above shall be irrevocable
     and shall be made under the terms of an escrow trust agreement in form and
     substance satisfactory to the Trustee.

          For purposes of this provision, "discharged" means that the
     Corporation shall be deemed to have paid and discharged the entire
     indebtedness represented by, and obligations under, the Senior 2005 Notes
     and to have satisfied all the obligations under the Indenture relating to
     the Senior 2005 Notes (and the Trustee, at the expense of the Corporation,
     shall execute proper instruments acknowledging the same), except (x) the
     rights of Holders of Senior 2005 Notes to receive, from the trust fund
     described above, payment of the principal of and interest on such Senior
     2005 Notes when such payments are due, (y) the Corporation's obligations
     with respect to the Senior 2005 Notes under Sections 2.05, 2.07, 4.02 and
     12.03 of the Indenture and (z) the rights, powers, trusts, duties and
     immunities of the Trustee hereunder.

          (15)  CERTAIN MODIFICATIONS.  In addition to the restrictions on
modifying the Indenture contained in the Indenture, the provisions of paragraph
(11) and clause (g) of paragraph (10) hereof with respect to the obligations of
the Corporation to offer to repurchase the Senior 2005 Notes may not be modified
or eliminated without the consent of the Holders of not less than two-thirds in
principal amount of the Senior 2005 Notes.

          (16)  DEFINITIONS.  The following definitions shall be applicable to
this Resolution:

          "Additional Assets" means any Property (other than cash or cash
equivalents) used in or substantially related to the businesses engaged in by
the Corporation or its Restricted Subsidiaries as of the Issue Date.


                                     - 21 -
<PAGE>

          "Affiliate" means, as to any Person, any other Person which directly
or indirectly controls, or is under common control with, or is controlled by,
such Person.  As used in this definition, "control" (including, with its
correlative meanings, "controlled by" and "under common control with") shall
mean possession, directly or indirectly, of power to direct or cause the
direction of management or policies (whether through ownership of securities or
partnership or other ownership interests, by contract or otherwise), provided
that, in any event, (a) any Person which owns directly or indirectly 10% or more
of the securities having ordinary voting power for the election of directors or
other governing body of a company or 10% or more of the partnership or other
ownership interests of any other Person (other than as a limited partner of such
other Person) will be deemed to control such company or other Person and
(b) each Unrestricted Subsidiary shall be deemed to be an Affiliate of the
Corporation and of each other Restricted Subsidiary and Unrestricted Subsidiary.
Notwithstanding the foregoing, no Person (other than the Corporation or any
Subsidiary of the Corporation) in whom a Receivables Subsidiary makes an
investment solely in connection with a Qualified Receivables Transaction shall
be deemed to be an Affiliate of the Corporation or any of its Subsidiaries with
respect to such investment (but may be deemed an Affiliate with respect to other
transactions, if applicable).

          "Asset Sale" means, with respect to any Person, any transfer,
conveyance, sale, lease or other disposition (an "Assignment")  by such Person
or any of its Restricted Subsidiaries (including (x) issuances of Capital Stock
by any Restricted Subsidiary of such Person and (y) any consolidation, merger or
other sale of any such Restricted Subsidiary with, into or to another person in
a transaction in which such Restricted Subsidiary ceases to be a Restricted
Subsidiary, but excluding (z) any Sale and Leaseback Transaction) in any single
transaction or series of  transactions of (i) shares of Capital Stock (other
than directors' shares of Qualified Capital Stock) or other ownership interests
of a subsidiary of such Person or (ii) any other Property (other than cash or
cash equivalents) of such Person or any of its Restricted Subsidiaries (other
than sales within the ordinary course of business) where the Fair Market Value
of the shares, ownership interests, or other Property being sold, leased, or
otherwise disposed of, in a single transaction or series of transactions,
exceeds $25 million (except in the case of issuances of capital stock described
in clause (x) above, as to which the $25 million threshold will not apply);
provided that the term "Asset Sale" shall not include (a) any Assignment
permitted pursuant to clause (j) of paragraph (10) hereof which constitutes a
disposition of all or substantially all of the Corporation's assets or
properties, (b) any Assignment, consolidation or merger between or among such
Person and its wholly-owned Restricted Subsidiaries and any


                                     - 22 -
<PAGE>

issuance of Capital Stock by a Restricted Subsidiary of such Person to such
Person or one or more of its Restricted Subsidiaries, (c) any issuance of
Capital Stock by CGC Inc. to employees or directors pursuant to employee benefit
plan approved by CGC Inc.'s board of directors or to stockholders pursuant to
dividend reinvestment plans, (d) sales of accounts receivable and related assets
of the type specified in the definition of "Qualified Receivables Transaction"
to a Receivables Subsidiary, (e) transfers of accounts receivable and related
assets of the type specified in the definition of "Qualified Receivables
Transaction" (or a fractional undivided interest therein) by a Receivables
Subsidiary in a Qualified Receivables Transaction, (f) the surrender or waiver
of contract rights or the settlement, release or surrender of contract, tort or
other claims of any kind, (g) the grant of any license of patents, trademarks,
registrations therefor and other similar intellectual property or (h) any
Assignment of Property to any Joint Venture if, at the time such Assignment is
made, the total of such Assignment and all Assignments previously made to Joint
Ventures and not returned to the Corporation or its Restricted Subsidiaries in
cash or in kind do not in the aggregate exceed 7.5% of the Corporation's
consolidated Property, Plant and Equipment as shown or reflected on the
Corporation's consolidated balance sheet most recently filed under the Exchange
Act.  In the case of clauses (d) and (e) above, sales or transfers of accounts
receivable and related assets shall not be excluded from the definition of Asset
Sale to the extent that the Corporation records debt on its consolidated balance
sheet in connection therewith in excess of 90% of the consolidated net book
value of the Corporation's accounts receivable as shown or reflected on its
books.

          "Attributable Value" means, as to any particular lease under which any
Person is at the time liable, other than a Capital Lease Obligation, and at any
date as of which the amount thereof is to be determined, the greater of (i) the
Fair Market Value of the property subject to such lease, or (ii) the total net
amount of rent required to be paid by such Person under such lease during the
initial term thereof as determined in accordance with GAAP, discounted from the
last date of such initial term to the date of determination at a rate per annum
equal to the interest rate borne by the Senior 2005 Notes compounded
semi-annually.  The net amount of rent required to be paid under any such lease
for any such period shall be the aggregate amount of rent payable by the lessee
with respect to such period after excluding amounts required to be paid on
account of insurance, taxes, assessments, utility, operating and labor costs and
similar charges.  In the case of any lease which is terminable by the lessee
upon the payment of a penalty, such net amount shall also include the amount of
such penalty, but no rent shall be considered as required to be paid


                                     - 23 -
<PAGE>

under such lease subsequent to the first date upon which it may be so
terminated.

          "Average Life" means, as of any date, with respect to any debt
security or Redeemable Stock that is Preferred Stock, the quotient obtained by
dividing (i) the sum of the products of (x) the number of years from such date
to the date of each scheduled principal or redemption payment (including any
sinking fund or mandatory redemption payment requirements) of such debt or
equity security multiplied in each case and (y) the amount of such principal or
redemption payment by (ii) the sum of all such principal or redemption payments.


          "Capital Lease Obligation" of any Person means the obligation to pay
rent or other payment amounts under a lease of (or other Indebtedness
arrangement conveying the right to use) real or personal property of such Person
which is required to be classified and accounted for as a capital lease or a
liability on the face of a balance sheet of such Person in accordance with GAAP.
The amount of any such Capital Lease Obligation shall be the capitalized amount
thereof, determined in accordance with GAAP and as set forth or reflected in the
Corporation's financial statements most recently filed under the Exchange Act.

          "Capital Stock" in any Person means any and all shares, interests,
participations or other equivalents in the equity interest (however designated)
in such Person and any rights (other than debt securities convertible into an
equity interest), warrants or options to subscribe for or to acquire an equity
interest in such Person.

          "Change of Control" means an event or series of events by which
(i)(A) the Corporation consolidates with or merges into any other Person or
conveys, transfers or leases all or substantially all of its assets to any
Person or group of Persons or (B) any Person consolidates with or merges into
the Corporation, in the case of either (A) or (B) pursuant to a transaction or
series of transactions (other than a transaction or series of transactions
between the Corporation and a wholly owned Restricted Subsidiary of the
Corporation if permitted under clause (j) of paragraph (1) hereof) as a result
of which the existing shareholders of the Corporation immediately prior thereto
would hold less than 50% of the combined voting power of the Voting Stock of the
surviving Person, or (ii) any "person" or "group" (each as defined in
Section 13(d)(3) and 13d-5 of the Exchange Act) becomes the "beneficial owner"
(as defined under Rule 13d-3 of the Exchange Act), directly or indirectly, of
more than 50% of the total voting power of all classes of Voting Stock of the
Corporation, or (iii) during any period of two consecutive years, individuals
who at the beginning of such period constituted the Board of Directors


                                     - 24 -
<PAGE>

(together with any new or replacement directors whose election by the Board of
Directors or whose nomination for election by the Corporation's stockholders was
approved by a vote of at least 66 2/3% of the directors then still in office who
were either directors at the beginning of such period or whose election or
nomination for election was previously so approved) cease for any reason to
constitute a majority of the directors then in office; provided that in the
event that a Person or group that is beneficial owner of 50% or less of the
Voting Stock of the Corporation is able to elect a majority of the Board
pursuant to an agreement with another holder or group of holders, a Change of
Control will be deemed to have occurred.

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

          "Consolidated EBITDA" of any Person means, for any period, the
Consolidated Net Income of such Person, increased (to the extent deducted in
determining Consolidated Net Income) by the sum of (i) all income taxes of such
Person and its Restricted Subsidiaries paid or accrued in accordance with GAAP,
(ii) the Consolidated Interest Expense of such Person and its Restricted
Subsidiaries for such period, (iii) depletion, depreciation and amortization
expenses of such Person and its Restricted Subsidiaries for such period,
(iv) other non-cash items of such Person and its Restricted Subsidiaries for
such period to the extent such non-cash items reduced Consolidated Net Income,
MINUS non-cash items for such period to the extent such non-cash items increased
the Consolidated Net Income of such Person and its Restricted Subsidiaries; and
(v) items shown as "Other Expense" on the consolidated statement of earnings of
such Person and its Restricted Subsidiaries for such period, but only to the
extent such items reduced Consolidated Net Income by $3 million or less
individually and by $6 million or less in the aggregate on an annualized basis
during such period.

          "Consolidated Interest Coverage Ratio" means, as of the Transaction
Date, the ratio of (i) the aggregate amount of Consolidated EBITDA of such
Person, to (ii) the aggregate Consolidated Interest Expense of such Person, in
each case for the Determination Period assuming for the purposes of this
measurement the continuation of market interest rates prevailing on the
Transaction Date and base interest rates in respect of floating interest rate
obligations equal to the base interest rates on such obligations in effect as of
the Transaction Date; PROVIDED that if such Person or any of its Restricted
Subsidiaries is a party to any Interest Rate Protection Agreements which would
have the effect of changing the interest rate on any Indebtedness of such Person
or any of its Subsidiaries for such Determination Period (or a portion thereof),
the resulting rate shall be used for such Determination


                                     - 25 -
<PAGE>

Period or portion thereof; and PROVIDED FURTHER that any Consolidated Interest
Expense with respect to debt Incurred or retired by such Person or any of its
Restricted Subsidiaries during the Determination Period shall be calculated as
if such debt was so Incurred or retired on the first day of the Determination
Period; and PROVIDED FURTHER that if the transaction giving rise to the need to
calculate the Consolidated Interest Coverage Ratio would have the effect of
increasing or decreasing EBITDA, EBITDA shall be calculated on a pro forma basis
as if such transaction had occurred on the first day of the Determination Period
and if, during the same Determination Period (x) such Person or any of its
Subsidiaries shall have engaged in any Asset Sale, EBITDA for such period shall
be reduced by an amount equal to the EBITDA (if positive), or increased by an
amount equal to the EBITDA (if negative), directly attributable to the assets
which are the subject of such Asset Sale for such period calculated on a pro
forma basis as if such Asset Sale and any related retirement of Indebtedness had
occurred on the first day of such period or (y) such Person or any of its
Restricted Subsidiaries shall have acquired any material assets or Person
outside of the ordinary course of business (including in a pooling of interests
transaction), EBITDA shall be calculated on a pro forma basis as if such
acquisition had occurred on the first day of such period.

          "Consolidated Interest Expense" means, with respect to any Person for
any period, without duplication (i) the sum of (A) the aggregate amount of cash
and non-cash interest expense (including capitalized interest and the interest
component of any Capital Lease Obligation) of such Person and its Restricted
Subsidiaries for such period as determined on a consolidated basis in accordance
with GAAP in respect of Indebtedness (including, without limitation, (x) any
amortization of debt discount (but excluding non-cash amortization of debt
discount associated with the implementation of the Restructuring), (y) net costs
associated with Interest Rate Protection Agreements (including any amortization
of discounts) and (z) all accrued interest; (B) Preferred Stock dividends of
such Person (and of its Restricted Subsidiaries if paid to a Person other than
such Person or its Restricted Subsidiaries) declared and payable in cash
multiplied by a fraction the numerator of which is one and the denominator of
which is one minus the Corporation's effective tax rate for such period; (C) the
portion of any rental obligation of such Person or its Restricted Subsidiaries
in respect of any Capital Lease Obligation allocable to interest expense in
accordance with GAAP; (D) the portion of any rental obligation of such Person or
its Restricted Subsidiaries in respect of any Sale and Leaseback Transaction
allocable to interest expense (determined as if such were treated as a Capital
Lease Obligation); and (E) to the extent any Indebtedness of any other Person is
Guaranteed by such Person or any of its Restricted Subsidiaries, the aggregate
amount of


                                     - 26 -
<PAGE>

interest paid, accrued or scheduled to be paid or accrued, by such other Person
during such period attributable to any such Indebtedness, minus (ii) to the
extent included in (i) above, amortization or write-off of deferred financing
costs of such Person and its Restricted Subsidiaries during such period and any
charge related to any premium or penalty paid in connection with redeeming or
retiring any Indebtedness of such Person and its Restricted Subsidiaries prior
to its Stated Maturity; in the case of both (i) and (ii) above, after
elimination of intercompany accounts among such Person and its Restricted
Subsidiaries and as determined in accordance with GAAP and excluding the
amortization of capitalized reorganization debt discount costs associated with
the revaluation of assets and liabilities with respect to the Restructuring as
determined in accordance with GAAP and as set forth or reflected in the
Corporation's financial statements most recently filed under the Exchange Act.

          "Consolidated Net Income" of any Person means, for any period, the
aggregate net income (or net loss) of such Person and its Restricted
Subsidiaries for such period on a consolidated basis determined in accordance
with GAAP; provided that there shall be excluded therefrom, without duplication,
(i) all items classified as extraordinary, (ii) any net loss or net income of
any Person other than such Person and its Restricted Subsidiaries, except to the
extent of the amount of dividends or other distributions actually paid to such
Person or its Restricted Subsidiaries by such other Person during such period,
(iii) gains or losses in respect of Asset Sales by such Person or its Restricted
Subsidiaries, (iv) the net income of any Restricted Subsidiary of such Person to
the extent that the payment of dividends or other distributions to such Person
is restricted by contract or otherwise, except for any dividends or
distributions actually paid by such Restricted Subsidiary to such Person;
provided that the net income of all such Restricted Subsidiaries shall be
excluded from Consolidated Net Income only to the extent it exceeds $2 million
per annum and (v) amortization of excess reorganization value and capitalized
reorganization debt discount costs associated with the revaluation of assets and
liabilities with respect to the Restructuring, in each case as set forth or
reflected in the Corporation's financial statements most recently filed under
the Exchange Act.

          "Consolidated Net Tangible Assets" means the aggregate amount of
assets (including investments in Unrestricted Subsidiaries, but less applicable
reserves and other properly deductible items) minus (i) all liabilities and
liability items except (a) indebtedness for money borrowed maturing on, or
extendable at the option of the obligor to, a date more than one year from the
date of determination thereof, (b) deferred income taxes and (c) stockholders'
equity and (ii) the asset value as reflected in the balance sheet of all
goodwill, trade names,


                                     - 27 -
<PAGE>

trademarks, patents, unamortized excess reorganization value, unamortized debt
discount and expense and other like intangibles, in each case as determined in
accordance with GAAP and as set forth or reflected in the Corporation's
consolidated balance sheet most recently filed under the Exchange Act.

          "Consolidated Net Worth" of any Person means the stockholders' equity
of such Person and its Restricted Subsidiaries, as determined on a consolidated
basis in accordance with GAAP, less amounts attributable to Redeemable Stock of
such Person and its Restricted Subsidiaries.

          "Credit Agreement" means the bank credit agreement entered into as of
July 27, 1995 between the Corporation, on the one hand, and the banks signatory
thereto on the other, and all related notes, collateral documents, guarantees,
instruments and other agreements executed in connection therewith, as the same
may be amended, modified, supplemented, restated or Refinanced from time to
time, under which the Corporation is permitted to borrow up to $500 million.

          "Debt Rating" means the actual rating assigned to the Senior 2005
Notes by Moody's or S&P, as the case may be.  (The Indenture provides that the
Corporation will use its best efforts to cause both Moody's and S&P to make a
rating of the Senior 2005 Notes publicly available, but in the event that either
Moody's or S&P does not make a rating of the Senior 2005 Notes publicly
available, the Indenture provides that the Corporation shall select any other
nationally recognized securities rating agency to make such a rating.  In such
event, the terms "Moody's" and "S&P," as the case may be, mean, for purposes of
this definition, such other nationally recognized securities rating agency.)

          "Default" means any event, act or condition the occurrence of which
is, or after notice or the passage of time or both would be, an Event of
Default.

          "Designated Event" shall be deemed to have occurred at such time as
(a) a Change of Control occurs or (b) a Designated Restricted Payment Event
occurs.

          "Designated Restricted Payment Event" means a (i) declaration or
payment of any dividend on, or the making of any distribution on account of, the
Corporation's capital stock or (ii) purchase, redemption, or acquisition or
retirement for value of any capital stock (including any option, warrant or
right to purchase capital stock) of the Corporation owned beneficially by a
Person other than a wholly owned Restricted Subsidiary of the Corporation, by
the Corporation or any Subsidiary of the Corporation, if the aggregate dividends
and repurchases referred to


                                     - 28 -
<PAGE>

in clauses (i) and (ii) above for the consecutive twelve month period ending on
the Transaction Date exceeds one half of the Consolidated Net Income of the
Corporation for the eight fiscal quarters immediately prior to the Transaction
Date for which consolidated financial statements are publicly available.

          "Determination Period" means the four consecutive fiscal quarters for
which consolidated financial statements in respect thereof are available
immediately prior to the applicable Transaction Date.

          "Domestic Joint Ventures" means Joint Ventures having their primary
business operations inside the United States.

          "Domestic Restricted Subsidiary" means a Restricted Subsidiary having
its primary business operations inside the United States.

          "Exchange Act" means the Securities Exchange Act of 1934, as amended
from time to time, and the rules and regulations promulgated thereunder.

          "Fair Market Value" means, with respect to the total consideration
received pursuant to any Asset Sale or any non-cash consideration received by
any Person, the fair market value of such consideration as determined in good
faith by the Board of Directors or a committee thereof.

          "Fiscal Year" means, with respect to the Corporation, the twelve
consecutive months ending December 31.

          "Foreign Joint Ventures" means Joint Ventures having their primary
business operations outside the United States.

          "Foreign Restricted Subsidiary" means a Restricted Subsidiary having
its primary business operations outside the United States.

          "Full Rating Category" means (i) with respect to S&P, any of the
following categories: BB, B, CCC, CC, and C, and (ii) with respect to Moody's,
any of the following categories: Ba, B, Caa, Ca, and C.  In determining whether
the rating of the Senior 2005 Notes has decreased by the equivalent of one Full
Rating Category, gradation within Full Rating Categories (+ and - for S&P; 1, 2,
and 3 for Moody's) shall be taken into account (e.g., with respect to S&P, a
decline in rating from BB+ to BB-, or from BB to B+, will constitute a decrease
of less than one Full Rating Category.)

          "GAAP" or "generally accepted accounting principles," with respect to
any computation required or permitted hereunder


                                     - 29 -
<PAGE>

shall, except as otherwise specifically provided, mean such accounting
principles as are generally accepted in the United States of America at the date
of such computation.

          "Guarantee" by any Person means any obligation, contingent or
otherwise, of such Person guaranteeing or having the economic effect of
guaranteeing any Indebtedness of any Person (the "primary obligor") in any
manner, whether directly or indirectly, including, without limitation, any
obligation of such Person, (i) to purchase or pay (or advance or supply funds
for the purchase or payment of) such Indebtedness or other obligation of such
other Person (whether arising by virtue of partnership arrangements, or by
agreement to keep-well or to maintain financial statement conditions or
otherwise) or (ii) entered into for purposes of assuring in any other manner the
obligee of such Indebtedness or other obligation of the payment thereof or to
protect such obligee against loss in respect thereof (in whole or in part);
PROVIDED, HOWEVER, that the term "Guarantee" will not include endorsements for
collection or deposit in the ordinary course of business (and "Guaranteed",
"Guaranteeing" and "Guarantor" shall have meanings correlative to the
foregoing).

          "Incur" means, with respect to any Indebtedness or other obligation of
any Person, to create, issue, incur (by conversion, exchange or otherwise),
extend, assume, Guarantee or otherwise become liable in respect of such
Indebtedness or other obligation or the recording, as required pursuant to GAAP
or otherwise, of any such Indebtedness or obligation on the balance sheet of
such Person (and "Incurrence," "Incurred," and "Incurrable" and "Incurring"
shall have meanings correlative to the foregoing); provided that the recording
by the Corporation of Indebtedness of a Subsidiary as required in the
preparation of consolidated financial statements of the Corporation shall not
constitute an "Incurrence" of such Indebtedness by the Corporation for purposes
of the covenant contained in clause (a) of paragraph (10); and further provided
that a change in GAAP that results in an obligation of a Person that exists at
such time becoming Indebtedness shall not be deemed an Incurrence of such
Indebtedness.

          "Indebtedness" means at any time (without duplication), with respect
to any Person, whether recourse is to all or a portion of the assets of such
Person, and whether or not contingent, (i) any obligation of such Person for
borrowed money, (ii) any obligation of such Person evidenced by bonds,
debentures, notes, Guarantees or other similar instruments, (iii) any
reimbursement obligation of such Person with respect to letters of credit,
bankers' acceptances or similar facilities issued for the account of such Person
(other than obligations with respect to letters of credit securing obligations
entered into in the ordinary course of business of such Person to the extent not
drawn on or, if and to


                                     - 30 -
<PAGE>

the extent drawn on, such drawing is reimbursed promptly following receipt by
such Person of a demand for reimbursement following payment on the letter of
credit), (iv) any obligation of such Person issued or assumed as the deferred
purchase price of Property or services (but excluding trade accounts payable or
accrued liabilities arising in the ordinary course of business), (v) any Capital
Lease Obligation of such Person, (vi) the maximum fixed redemption or repurchase
price of Redeemable Stock of such Person at the time of determination, (vii) any
payment obligation of such Person under Interest Rate Protection Agreements at
the time of determination, (viii) the Attributable Value of any obligation of
such Person to pay rent or other amounts with respect to any Sale and Leaseback
Transaction to which such Person is a party, and (ix) any obligation of the type
referred to in  clauses (i) through (viii) of this paragraph of another Person
secured by any Lien on any property or asset of such Person (whether or not such
obligation is assumed by such Person), the amount of such obligation being
deemed to be the lesser of the value of such property or asset or the amount of
the obligations so secured.  Notwithstanding the foregoing, the following shall
not constitute Indebtedness: (w) obligations Incurred in connection with
currency hedges and energy hedges entered into in the ordinary course of
business and (x) Indebtedness of any Person existing at the time such Person
becomes a Restricted Subsidiary if such Indebtedness is defeased in accordance
with its terms or, in the event that defeasance is not provided for in the
instruments defining such Indebtedness, the Corporation irrevocably deposits in
trust for the Holders of such Indebtedness money or noncallable obligations
issued or fully guaranteed by the United States of America which through the
payment of interest and income thereon and principal thereof will provide money,
in each case in an amount sufficient to pay all the principal of (and premium
on, if any) and interest on such Indebtedness on the dates such payments are due
in accordance with the terms thereof and shall pay or cause to be paid all other
sums payable with respect thereto.  The maximum fixed repurchase price of any
Redeemable Stock that does not have a fixed repurchase price shall be calculated
in accordance with the terms of such Redeemable Stock as if such Redeemable
Stock were repurchased on any date on which Indebtedness shall be required to be
determined pursuant to this Indenture; provided, however, that if such
Redeemable Stock is not then permitted to be repurchased, the repurchase price
shall be the book value of such Redeemable Stock.  The amount of Indebtedness
arising from any Guarantee shall be limited to the lesser of (y) the amount of
Indebtedness underlying such Guarantee or (z) the limit, if any, on recovery
against the Guarantor contained in such Guarantee.  The amount of Indebtedness
of any Person at any date shall be the outstanding balance at such date of all
unconditional obligations as described above and the maximum liability of any
contingent obligations as described above at such date.


                                     - 31 -
<PAGE>

          "Interest Rate Protection Agreement" means, with respect to any
Person, any interest rate swap agreement, interest rate cap agreement, currency
swap agreement or other financial agreement or arrangement designed to protect
such Person or its Restricted Subsidiaries against fluctuations in interest rate
or currency exchange rates, as in effect from time to time.

          "Investment Grade" means a rating of at least BBB- (or the equivalent)
or higher by S&P and Baa3 (or the equivalent) or higher by Moody's.

          "Investment Grade Status" shall be deemed to have been reached on the
date that the Debt Rating by both Moody's and S&P is Investment Grade.

          "Issue Date" means the first day on which the Senior 2005 Notes are
issued.

          "Joint Ventures" means joint ventures or other risk sharing
arrangements (which may include partnerships or corporations) the purpose of
which is to engage in the same or complementary lines of business as the
Corporation or a Restricted Subsidiary or in businesses consistent with the
fundamental nature of the operating business of the Corporation or a Restricted
Subsidiary.

          "Lien" means, with respect to any Property, any mortgage or deed of
trust, pledge, hypothecation, assignment, deposit arrangement, security
interest, lien (statutory or other), charge, encumbrance, preference, priority
or other security or similar agreement or preferential arrangement of any kind
or nature whatsoever on or with respect to such Property (including without
limitation, any conditional sale or other title retention agreement having
substantially the same economic effect as any of the foregoing).

          "Moody's" means Moody's Investors Service or any successor to the
rating agency business thereof.

          "Net Cash Proceeds" from any Asset Sale by any Person or its
Restricted Subsidiaries means cash, cash equivalents or readily marketable
securities received, net of (i) all reasonable out-of-pocket expenses of such
Person or such Restricted Subsidiary incurred in connection therewith,
including, without limitation, all legal, title and recording tax expenses,
commissions and other fees and expenses (but excluding any finder's fee or
broker's fee payable to any Affiliate of such Person) and all federal, state,
provincial, foreign and local taxes arising in connection with such Asset Sale
that are paid or required to be accrued as a liability under GAAP by such Person
or its Restricted Subsidiaries, (ii) all


                                     - 32 -
<PAGE>

payments made by such Person or its Restricted Subsidiaries on any Indebtedness
which is secured by such Properties in accordance with the terms of any Lien
upon or with respect to such Properties or which must, by the terms of such
Lien, or in order to obtain a necessary consent to such Asset Sale or by
applicable law, be repaid out of the proceeds from such Asset Sale, and
(iii) all distributions and other payments made to minority interest Holders in
Restricted Subsidiaries of such Person as a result of such Asset Sale (except
for distributions under this clause (iii) made to Affiliates of such Person or
Restricted Subsidiaries); provided that, in the event that any consideration for
an Asset Sale (which would otherwise constitute Net Cash Proceeds) is required
to be held in escrow pending determination of whether a purchase price
adjustment will be made, such consideration (or any portion thereof) shall
become Net Cash Proceeds only at such time as it is released to such Person or
its Restricted Subsidiaries from escrow, and provided that any non-cash
consideration received in connection with an Asset Sale, which is within 90 days
converted to cash, shall be deemed to be Net Cash Proceeds at such time and
shall thereafter be applied in accordance with clause (j) of paragraph (10)
hereof.

          "Permitted Refinancing Indebtedness" means Indebtedness of the
Corporation, the proceeds of which are used to Refinance outstanding
Indebtedness of the Corporation or any Restricted Subsidiary, provided that
(i) if the Indebtedness being Refinanced is pari passu with or subordinated in
right of payment to the Senior 2005 Notes, then such Indebtedness is pari passu
with or subordinated in right of payment to, as the case may be, the Senior 2005
Notes at least to the same extent as the Indebtedness being Refinanced,
(ii) such Indebtedness is scheduled to mature no earlier than the Indebtedness
being Refinanced and (iii) such Indebtedness has an Average Life at the time
such Indebtedness is Incurred that is equal to or greater than the Average Life
of the Indebtedness being Refinanced, and (iv) such Indebtedness is in an
aggregate principal amount (or, if such Indebtedness is issued at a price less
than the principal amount thereof, has an aggregate original issue price) not in
excess of the aggregate principal amount then outstanding of the Indebtedness
being Refinanced (or if the Indebtedness being Refinanced was issued at a price
less than the principal amount thereof, then not in excess of the amount of
liability in respect thereof determined in accordance with GAAP) plus all
interest accrued thereon and all related fees, expenses, and redemption and
repurchase premiums (including any payments made in connection with procuring
any required lender or similar consents).

          "Preferred Stock," as applied to the Capital Stock of any Person,
means Capital Stock of such Person of any class or classes (however designated)
that ranks prior, as to the payment of


                                     - 33 -
<PAGE>

dividends or as to the distribution of assets upon any voluntary or involuntary
liquidation, dissolution or winding up of such Person, to shares of Capital
Stock of any other class of such Person.

          "Principal Operating Property" means any manufacturing plant, or
distribution or research facility, and related facilities located in the United
States and owned and operated by the Corporation or any Subsidiary for more than
90 days, other than any facility acquired for the control or abatement of
atmospheric pollutants or contaminants, water pollution, noise, odor or other
pollution.

          "Priority Indebtedness" means (without duplication) (a) the Capital
Lease Obligations and Attributable Value of Sale and Leaseback Transactions of
(x) the Corporation Incurred pursuant to clause (a)(B)(iv) of paragraph (10)
hereof or (y) any Restricted Subsidiary of the Corporation Incurred pursuant to
clause (b)(A)(iii) of paragraph (10) hereof, (b) Indebtedness or Preferred Stock
of any Restricted Subsidiary of the Corporation Incurred pursuant to clause
(b)(A)(vi) of  paragraph (10) hereof, (c) Indebtedness of the Corporation
Incurred after the Issue Date which is secured by a Lien of the type covered by
clause (d) of paragraph (10) hereof, but with respect to which the Senior 2005
Notes are not equally and ratably secured and (d) the Attributable Value of any
Sale and Leaseback Transactions referred to in clause (e)(B)(i) of paragraph
(10) hereof to the extent entered into after the Issue Date and not included
under clause (a) above.

          "Priority Indebtedness Basket" means the greater of (a) 5% of
Consolidated Net Tangible Assets of the Corporation and (b) $225 million.

          "Project Financing" means Indebtedness incurred to finance the
construction, development or acquisition of property or assets, with respect to
which Indebtedness recourse is limited to (x) the property or assets
constituting all or a portion of the project being financed with the proceeds of
such Indebtedness and the funds generated from such project upon the completion
of such project, (y) the entity undertaking such project if such entity exists
for the primary purpose of operating such project, and/or (z) a Restricted or
Unrestricted Subsidiary to the extent it Guarantees such Indebtedness; provided
that Indebtedness associated with any Guarantee made by a Restricted Subsidiary
shall be charged against the Priority Indebtedness Basket (unless to do so would
be duplicative).

          "Property" means, with respect to any Person, any interest of such
Person in any kind of property or asset, whether real, personal or mixed, or
tangible or intangible, including, without limitation, Capital Stock in any
other Person.


                                     - 34 -
<PAGE>

          "Qualified Capital Stock" means Capital Stock of the Corporation or
any of its Restricted Subsidiaries that does not by its terms require any
dividends, distributions, mandatory repayment or mandatory redemption prior to
the first anniversary following the Stated Maturity of the Senior 2005 Notes.

          "Qualified Receivables Transaction" means any transaction or series of
transactions that may be entered into by the Corporation or any of its
Subsidiaries pursuant to which the Corporation or any of its Subsidiaries may
sell, convey or otherwise transfer to (i) a Receivables Subsidiary (in the case
of a transfer by the Corporation or any of its Subsidiaries) and (ii) any other
person (in the case of a transfer by a Receivables Subsidiary), or may grant a
security interest in, any accounts receivable (whether now existing or arising
in the future) of the Corporation or any of its Subsidiaries, and any assets
related thereto including, without limitation, all collateral securing such
accounts receivable, all contacts and all guarantees or other obligations in
respect of such accounts receivable, proceeds of such accounts receivable and
other assets which are customarily transferred or in respect of which security
interests are customarily granted in connection with asset securitization
transactions involving accounts receivable.

          "Rating Decline" means the occurrence of the following on or within
90 calendar days after the date of public disclosure of the occurrence of a
Designated Event (which period will be extended, for a period not to exceed
90 calendar days, so long as the Debt Rating is under publicly announced
consideration for possible downgrading by both Moody's and S&P): (i) in the
event the Senior 2005 Notes are rated Investment Grade by Moody's or S&P on the
earlier of the date immediately preceding the date of the public disclosure of
(w) the occurrence of a Designated Event or (x) (if applicable) the intention of
the Corporation to effect a Designated Event, the Debt Rating by both Moody's
and S&P shall be below Investment Grade; or (ii) in the event the Senior 2005
Notes are rated below Investment Grade by both Moody's and S&P on the earlier of
the date immediately preceding the date of the public disclosure of (y) the
occurrence of a Designated Event or (z) (if applicable) the intention of the
Corporation to effect a Designated Event, the Debt Rating by each of Moody's and
S&P shall be decreased by at least one Full Rating Category.

          "Receivables Subsidiary" means a wholly owned Subsidiary of the
Corporation which engages in no activities other than in connection with the
financing of accounts receivable and which is designated by or pursuant to the
authority of the Board of Directors of the Corporation (as provided below) as a
Receivables Subsidiary (a) no portion of the Indebtedness or any other
obligations (contingent or otherwise) of which (i) is guaranteed by


                                     - 35 -
<PAGE>

the Corporation or any Subsidiary of the Corporation (excluding guarantees of
obligations (other than the principal of, and interest on, Indebtedness)
pursuant to representations, warranties, covenants and indemnities entered into
in the ordinary course of business in connection with a Qualified Receivables
Transaction), (ii) is recourse to or obligates the Corporation or any Subsidiary
of the Corporation in any way other than pursuant to representations,
warranties, covenants and indemnities entered into in connection with a
Qualified Receivables Transaction or (iii) subjects any property or asset of the
Corporation or any Subsidiary of the Corporation, directly or indirectly,
contingently or otherwise, to the satisfaction thereof, other than pursuant to
representations, warranties, covenants and indemnities entered into in the
ordinary course of business in connection with a Qualified Receivables
Transaction and (b) with which neither the Corporation nor any Subsidiary of the
Corporation has any obligation to maintain or preserve such Subsidiary's
financial condition (other than restrictions on dividends and distributions by
such Subsidiary) or cause such Subsidiary to achieve certain levels of operating
results.  Any such designation shall be evidenced to the Trustee by filing with
the Trustee a certified copy of the resolution of the Board of Directors of the
Corporation giving effect to or authorizing such designation and an officer's
certificate certifying that such designation complied with the foregoing
conditions.

          "Redeemable Stock" of any Person means any equity security of such
Person that by its terms (or by the terms of any security into which it is
convertible or for which it is exchangeable), or otherwise, is required to be
redeemed or is redeemable at the option of the Holder thereof, in whole or part,
prior to the Stated Maturity of the Senior 2005 Notes, or is exchangeable for
debt at any time, in whole or part, prior to the Stated Maturity of the Senior
2005 Notes.

          "Redemption Date" means, when used with respect to any Senior 2005
Note to be redeemed, the date fixed for redemption of such Senior 2005 Note
pursuant to the Indenture.

          "Refinance" means, with respect to any Indebtedness, to renew, extend,
refinance, refund, replace or repurchase, or be substituted for, such
Indebtedness and "Refinancing" means the renewal, extension, refinancing,
refunding, replacement or repurchasing of, or substitution for, such
Indebtedness.

          "Restricted Payment" means (i) a dividend or other distribution
declared or paid on the Capital Stock of the Corporation or to the Corporation's
stockholders (in their capacity as such), or declared or paid to any Person
other than the Corporation or a Restricted Subsidiary of the Corporation on the

                                     - 36 -
<PAGE>

Capital Stock of any Restricted Subsidiary of the Corporation, in each case,
other than dividends, distributions or payments payable or made solely in
Qualified Capital Stock of the Corporation, (ii) a payment made by the
Corporation or any of its Restricted Subsidiaries (other than to the Corporation
or any Restricted Subsidiary of the Corporation) to purchase, redeem, acquire or
retire any Capital Stock of the Corporation or of a Restricted Subsidiary or
(iii) a payment made by the Corporation or any of its Restricted Subsidiaries to
redeem, repurchase, defease (including, but not limited to, in substance or
legal defeasance) or otherwise acquire or retire for value, prior to any
scheduled maturity, scheduled repayment or scheduled sinking fund or mandatory
redemption payment, Indebtedness of the Corporation which is subordinate
(whether pursuant to its terms or by operation of law) in right of payment to
the Senior 2005 Notes and which was scheduled to mature (after giving effect to
any and all options to extend the maturity thereof) on or after the Stated
Maturity of the Senior 2005 Notes.

          "Restricted Subsidiary" means (i) prior to the Corporation achieving
Investment Grade Status, any Subsidiary of the Corporation which is not an
Unrestricted Subsidiary and (ii) following the Corporation achieving Investment
Grade Status, any Subsidiary of the Corporation which owns any Principal
Operating Property; provided, however, that the definition of Restricted
Subsidiary contained in clause (i) above shall continue to apply for the purpose
of calculating the Consolidated Interest Coverage Ratio of the Corporation and
for the purpose of clause (a)(B)(vi) of paragraph (10) hereof.

          "Restructuring" means the restructuring of the Corporation's debt
through the implementation of a "prepackaged" plan of reorganization under the
federal bankruptcy laws completed on May 6, 1993.

          "S&P" means Standard & Poor's Rating Group, a division of McGraw-Hill,
Inc., or any successor to the rating agency business thereof.

          "Sale and Leaseback Transaction" means, with respect to any Person,
any direct or indirect arrangement pursuant to which Property is sold or
transferred by such Person or a Restricted Subsidiary of such Person and is
thereafter leased back from the purchaser or transferee thereof by such Person
or one of its Restricted Subsidiaries.

          "Senior Indebtedness" means, at any date, any outstanding Indebtedness
of the Corporation that is pari passu in right of payment with the Senior 2005
Notes.


                                     - 37 -
<PAGE>

          "Stated Maturity" means, when used with respect to any security, the
date specified in such security as the fixed date on which the principal or
redemption price of such security is due and payable and, when used with respect
to any installment of interest on a security, the fixed date on which such
installment of interest is due and payable.  The Stated Maturity of a Capital
Lease Obligation shall be the date of the last payment of rent or any other
amount due under such lease prior to the first date upon which such lease may be
terminated by the lessee without payment of a penalty.

          "Subsidiary" of the Corporation means any corporation at least a
majority of the shares of the Voting Stock (or the equivalent thereof, in the
case of corporations organized outside the United States of America) of which
shall at the time be owned, directly or indirectly, by the Corporation or by one
or more Subsidiaries or by the Corporation and one or more Subsidiaries.

          "Transaction Date" means the date of any transaction giving rise to
the need to calculate the Consolidated Interest Coverage Ratio or to determine
whether there has been a Designated Event.

          "Unrestricted Subsidiary" means (i) USG Funding Corporation and
(ii) any Subsidiary of the Corporation that the Corporation has classified
pursuant to "Restricted and Unrestricted Subsidiaries" as an Unrestricted
Subsidiary and that has not been reclassified as a Restricted Subsidiary.

          "Voting Stock" of any Person means Capital Stock of such Person which
ordinarily has voting power for the election of directors (or persons performing
similar functions) of such Person, whether at all times or only as long as no
senior class of securities has such voting power by reason of any contingency.



          BE IT FURTHER RESOLVED:  That the form of the Senior 2005 Note
attached hereto as Exhibit A is in all respects approved, and that the execution
and delivery of the Senior 2005 Notes as provided in the Indenture is hereby
authorized, approved and directed, with such changes therein as the officer
executing the same shall approve, such execution to be conclusive evidence of
such approval.

          BE IT FURTHER RESOLVED:  That the Underwriting Agreement is in all
respects approved, and that the execution and delivery of the Underwriting
Agreement is hereby authorized, approved and directed.


                                     - 38 -
<PAGE>

          BE IT FURTHER RESOLVED:  That the Senior 2005 Notes be issued in
accordance with the Offering as described in the Preliminary Prospectus and at
the times, in the various denominations and for the various consideration to the
Corporation as described in the Underwriting Agreement.

          BE IT FURTHER RESOLVED:  That the Offering is reasonably necessary or
desirable for the Corporation in the conduct of its business.

          BE IT FURTHER RESOLVED:  That the Chief Executive Officer, Chief
Financial Officer, President, any Vice President, Secretary, or any Assistant
Secretary be, and they hereby are, authorized and directed to take such actions
and to execute and deliver such instruments and documents and to do such other
things as they or any of them shall deem necessary or advisable to effectuate
the purposes and intent of the foregoing Resolutions.

          This instrument may be executed in two or more counterparts, each of

which shall be deemed an original and all of which taken together shall

constitute one and the same instrument.


                                     - 39 -
<PAGE>

          IN WITNESS WHEREOF, the undersigned have executed this instrument as

of the ____ day of August, 1995.


                                        ______________________________
                                        Eugene B. Connolly



                                        ______________________________
                                        William C. Foote



                                        ______________________________
                                        James C. Cotting


                                     - 40 -
<PAGE>

                                    EXHIBIT A





                    Form of Senior 2005 Note is attached hereto.








<PAGE>

THIS INSTRUMENT MAY BE TRANSFERRED IN WHOLE BUT NOT IN PART BY THE DEPOSITARY TO
A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY
OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO
A SUCCESSOR DEPOSITARY SELECTED OR APPROVED BY THE CORPORATION OR A NOMINEE OF
SUCH SUCCESSOR DEPOSITARY.  UNLESS THIS CERTIFICATE IS PRESENTED BY AN
AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK
CORPORATION ("DTC"), TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER,
EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF
CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE
OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER
USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL, INASMUCH AS
THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.
- --------------------------------------------------------------------------------
No. 1                                                            $150,000,000.00

                                 USG CORPORATION
                     % Senior Note due                , 2005

                                                            CUSIP:

          USG CORPORATION, a Delaware corporation (herein called the
"Corporation," which terms includes any successor corporation under the
Indenture referred to herein), for value received, hereby promises to pay to:

                                   CEDE & CO.

or registered assigns, the principal sum of

                      *ONE HUNDREDS FIFTY MILLION DOLLARS*

on               , 2005.  This Security bears interest on the outstanding
principal amount hereof at the rate of           % per annum.  Such interest is
payable semi-annually in arrears on             and            of each year
(each an "Interest Payment Date"), commencing on           , 1996, until the
principal hereof is paid or made available for payment.  Payment of principal
and interest will be made in the method and subject to the terms set forth in
the provisions appearing on the reverse hereof, which provisions, in their
entirety, will for all purposes have the same effect as if set forth at this
place.

          No Security will be deemed Outstanding (as defined in the Indenture)
for purposes of exercising voting rights of a Holder (as defined in the
Indenture) pursuant to the Indenture, unless and until it (or a predecessor
Security representing the same Indebtedness) has been issued in accordance with
the terms of the Indenture.

          IN WITNESS WHEREOF, USG Corporation has caused this instrument to be
duly executed.

                                           USG CORPORATION

Dated:                     , 1995
                                           By:
This is one of the    % Senior Notes
due            , 2005 issued under              Chairman of the Board and Chief
the within-mentioned Indenture.                 Executive Officer



HARRIS TRUST AND SAVINGS BANK,             Attest:
as Trustee

                                                Corporate Secretary
By:

     Authorized Signature

<PAGE>

                                 USG CORPORATION
                        % SENIOR NOTE DUE            , 2005

INTEREST.  USG CORPORATION, a Delaware corporation (the "Corporation"), promises
to pay interest on the outstanding principal amount of this Security at the rate
per annum shown on the face of this Security.  The Corporation will pay interest
semi-annually in arrears on ___________ and __________ of each year, commencing
on _________, 1996.  Interest on the Securities will accrue from their date of
issuance.  Interest will be computed on the basis of  360-day year of twelve 30-
day months.  The Corporation also promises to pay on demand interest on overdue
principal at the rate of ____% per annum and interest on overdue installments of
interest at the same rate to the extent lawful.

METHOD OF PAYMENT.  The Corporation will pay interest on the Securities (except
defaulted interest) to the Persons who are registered Holders of Securities at
the close of business on ___________ or ___________ (each the "Regular Record
Date") next preceding the Interest Payment Date, even though Securities are
canceled after the record date and on or before the Interest Payment Date.  Any
such interest not so punctually paid or duly provided for, and any interest
payable on such defaulted interest (to the extent lawful), will forthwith cease
to be payable to the Holder on such Regular Record Date and will be payable to
the Person in whose name the Security is registered at the close of business on
a subsequent record date established by notice given by mail or on behalf of the
Corporation to Holders not less than 15 days preceding such subsequent record
date, such record date to be not less than five days preceding the date of
payment of such defaulted interest.  Holders must surrender Securities to a
paying agent to collect principal payments.  Payment of the principal of and
interest on this Security will be made at the office of the Trustee or at any
office or agency of the Corporation maintained for that purpose, in such coin or
currency of the United States of America which as of the time of payment is
legal tender for payment of public and private debt; provided, however, that at
the option of the Corporation payment of interest may be made by check mailed to
the address of the Person entitled thereto at such Person's registered address
as it appears in the Security Registrar maintained for such purpose pursuant to
the indenture (as defined hereinafter).

PAYING AGENT AND SECURITY REGISTRAR.  The Trustee will initially act as paying
agent and Security Registrar.  The Corporation may change any paying agent or
Security Registrar without notice to any Holder.  The Corporation may act in any
such capacity.

INDENTURE; SERIES OF SECURITIES.  This Security is one of a duly authorized
series of securities of the Corporation issued by the Corporation under an
indenture, dated as of October 1, 1986 (the "Indenture"), among the Corporation
and Harris Trust and Savings Bank (the "Trustee," which term includes all
successor trustees under the Indenture.)  This Security is one of a series of
Securities designated by resolution of a special committee of the Corporation
dated as of August __, 1995 (the "Designating Resolution") which are limited in
aggregate principal amount of $150,000,000 (such series being the "Securities").
The terms of the Securities include those stated in the Indenture and the
Designating Resolution and those made part of the Indenture by reference to the
Trust Indenture Act as in effect on the date of the Indenture.  The Securities
are subject to all such terms, and Holders are referred to the Indenture, the
Designating Resolution and such Act for a statement of such terms.  All terms
used but not otherwise defined herein have the meanings set forth in the
Indenture or the Designating Resolution, as applicable.

DENOMINATIONS, TRANSFER, EXCHANGE.  The Securities are in registered form
without coupons.  The Securities will be in minimum denominations of $1000 or
integral multiples thereof.  The Securities are registered and transfer of the
Securities may be effected only by surrender of the old instrument to the
Securities Registrar and issuance of new instruments to the new Holder.  The
Security Registrar may require a Holder, among other things, to furnish
appropriate endorsements and transfer documents and to pay any taxes or other
governmental charge that may be imposed in connection therewith.  The Security
Registrar need not exchange or register the transfer of any Security or portion
of a Security selected for redemption.  Also, it need not exchange or register
the transfer of any Securities for a period of 15 days before a selection of
Securities to be redeemed.

PERSONS DEEMED OWNERS.  Subject to the terms of the Indenture, the registered
Holder of a Security may be treated as its owner for all purposes.

NON-CALLABILITY.  The Securities may not be called for redemption at the option
of the Corporation under the Indenture prior to              , 2000.  On or
after                2000, the Securities may  be called for redemption at the
option of the Corporation at the redemption prices set forth in the Designating
Resolution plus accrued interest and as more fully described in the Indenture
and Designating Resolution.

AMENDMENTS AND WAIVERS.  Subject to certain exceptions, the Indenture or the
Securities may be amended with the consent of the Holders of at least a majority
in principal amount of the then outstanding securities of each series under the
Indenture to be affected (voting as one class).  Without the consent of any
Holder, the Indenture or the Securities may be amended to, among other things,
cure any ambiguity, defect or inconsistency, provide for assumption of the
obligations of the Corporation or any Guarantor thereunder or make any change
that does not materially adversely affect the rights of any Holder.  The
Indenture also contains provisions permitting the Holders of a specified
percentage in aggregate principal amount of the Securities of any series at the
time outstanding on behalf of the Holders of all the Securities of such series
(or of all series then outstanding, as the case may be) to waive certain past
defaults by the Corporation under the Indenture and their consequences.  Any
such consent or waiver by the Holder of this Security shall be conclusive and
binding upon such Holder and upon all future holders of this Security and of any
Security issued upon the registration of transfer hereof or in exchange herefor
or in lieu hereof, whether or not notation of such consent or waiver is made
upon this Security.

DEFAULTS AND REMEDIES  If an Event of Default with respect to the Securities
shall have occurred and be continuing, the principal amount of all the
Securities may be declared due and payable in the manner and with the effect
provided in the Indenture.

NO RECOURSE AGAINST OTHERS.  No incorporator, stockholder, officer or director,
as such, of the Corporation will have any liability for any obligations of the
Corporation under the Indenture or any Security, or for any indebtedness
evidenced thereby.  Each Holder by accepting a Security waives and releases all
such liability.

UNCLAIMED MONEY.  If money for the payment of principal of or interest on any
Security remains unclaimed for three years, the Trustee or paying agent will pay
the money back to the Corporation on demand.  After that, Holders entitled to
money must look to the Corporation for payment.

DISCHARGE OF INDENTURE.  At the option of the Corporation and upon satisfaction
of certain conditions specified in the Indenture, either (a) the Corporation
will be deemed to have paid and discharged its obligations with respect to the
Securities or (b) the Corporation need not comply with certain covenants
contained in the Indenture or otherwise applicable to the Securities, in each
case upon the irrevocable deposit by the Corporation with the Trustee in trust
for the Holders of the Securities an amount of funds or noncallable obligations
issued or fully guaranteed by the United States of America sufficient to pay and
discharge upon the stated maturity thereof the entire indebtedness evidenced by
the Securities, all as more fully provided in the Indenture and the Designating
Resolution.

AUTHENTICATION.  This Security will not be valid until authenticated by the
manual signature of the Trustee.

NEW YORK CONTRACT.  The Indenture and each Security will be deemed to be a
contract made under the laws of the State of New York, and for all purposes will
be construed in accordance with the laws of such State, without giving effect to
principles of conflict of laws of such State.

ABBREVIATIONS.  Customary abbreviations may be used in the name of a Holder or
an assignee, such as: TEN COM (=tenants in common), TEN ENT (= tenants by the
entireties), JT TEN (= joint tenants with right of survivorship and not as
tenants in common), CUST (= Custodian), and UNIF GIFT MIN ACT (= Uniform Gifts
to Minors Act).

                                 ASSIGNMENT FORM
- --------------------------------------------------------------------------------
               To assign this instrument, fill in the form below:

I or we assign and transfer this instrument to

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

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

               Insert assignee's soc. sec. or tax I.D. no.

________________________________________________________________________________
          (Print or type assignee's name, address and zip code)


________________________________________________________________________________
________________________________________________________________________________
and irrevocably appoint ________________________________________________________
agent to transfer this instrument on the books of the Corporation.  The agency
may substitute another to act for him.
________________________________________________________________________________

Dated: _________________________                ________________________________
                                                ________________________________


     NOTICE:  The signature to this assignment must correspond with the name as
it appears on the first page of the within instrument in every particular,
without alteration or enlargement or any change whatever and must be guaranteed
by a commercial bank or trust company having its principal office or a
correspondent in the City of New York or by a member of the New York Stock
Exchange.



<PAGE>

                                 EXHIBIT 23 (A)

                             ARTHUR ANDERSEN LLP




                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



     As independent public accountants, we hereby consent to the inclusion and
incorporation by reference in this registration statement of our reports dated
January 26, 1995 included in USG Corporation's Form 10-K for the year ended
December 31, 1994 and to all references to our Firm included in this
registration statement.


                                  /s/  Arthur Andersen LLP
                                       ARTHUR ANDERSEN LLP


Chicago, Illinois,
July 28, 1995


<PAGE>

                                  EXHIBIT 99(a)



          This CREDIT AGREEMENT dated as of July 27, 1995 (as the same may be
amended, restated, supplemented or otherwise modified from time to time, this
"AGREEMENT") among USG CORPORATION, a Delaware corporation (the "BORROWER"), the
"LENDERS" and "ISSUING BANKS" (each as defined herein), and CHEMICAL BANK, in
its separate capacity as agent for the Lenders and Issuing Banks (the "AGENT").

          In accordance with the terms and subject to the conditions set forth
in this Agreement, the Borrower has requested the Lenders to provide to the
Borrower the Aggregate Revolving Credit Commitments to enable the Borrower to
borrow Loans on a revolving basis and to obtain Letters of Credit, at any time
and from time to time from and including the Closing Date until the Termination
Date.

          Accordingly, the Borrower, the Lenders, the Issuing Banks and the
Agent agree as follows:


                             ARTICLE I.  DEFINITIONS

          SECTION 1.01.  DEFINED TERMS. As used above and elsewhere in this
Agreement, the following terms shall have the meanings specified below:

          "ABR BORROWING" shall mean a Borrowing comprised of ABR Loans.

          "ABR LOAN" shall mean any Loan bearing interest at a rate determined
by reference to the Alternate Base Rate in accordance with the provisions of
ARTICLE II.

          "ADMINISTRATIVE QUESTIONNAIRE" shall mean an Administrative
Questionnaire in the form of EXHIBIT A.

          "AFFILIATE" shall mean, when used with respect to a specified Person,
another Person that directly, or indirectly through one or more intermediaries,
Controls or is Controlled by or is under common Control with the Person
specified.

          "AGENT" shall have the meaning given to such term in the preamble to
this Agreement, or such successor as shall be appointed pursuant to SECTION
8.04.

          "AGENT FEE LETTER" shall mean the Fee Letter dated June 19, 1995, from
the Borrower to the Agent.

          "AGGREGATE LC COMMITMENTS" shall mean the aggregate amount of the LC
Commitments of all Lenders, which as of the date hereof is $125,000,000.

          "AGGREGATE REVOLVING CREDIT COMMITMENTS" shall mean the aggregate
amount of the Revolving Credit Commitments of all Lenders, which as of the date
hereof is $500,000,000 and which may be reduced from time to time pursuant to
SECTION 2.11.

          "AGREEMENT" shall have the meaning given to such term in the preamble
hereto.

          "ALTERNATE BASE RATE" shall mean, for any day, a rate per annum
(rounded upwards, if necessary, to the next 1/16 of 1%) equal to the greatest of
(a) the Prime Rate in effect on such day, (b) the Base CD Rate in effect on such
day plus 1% and (c) the Federal Funds Effective Rate in effect on such day plus
1/2 of 1%.  "BASE CD RATE" shall mean the sum of (a) the product of (i) the
Three-Month Secondary CD Rate and (ii) Statutory Reserves and (b) the Assessment
Rate.  "ASSESSMENT RATE" shall mean for any date the annual rate (rounded
upwards, if necessary, to the next 1/100 of 1%) most recently

<PAGE>

estimated by Chemical Bank as the then current net annual assessment rate that
will be employed in determining amounts payable by the Agent to the Federal
Deposit Insurance Corporation (or any successor) for insurance by such
Corporation (or such successor) of time deposits made in dollars at Chemical
Bank's domestic offices.  "STATUTORY RESERVES" shall mean a fraction (expressed
as a decimal), the numerator of which is the number one and the denominator of
which is the number one minus the aggregate of the maximum reserve percentages
(including any marginal, special, emergency or supplemental reserves) expressed
as a decimal established by the Board and any other banking authority to which
Chemical Bank is subject for new negotiable nonpersonal time deposits in dollars
of over $100,000 with maturities approximately equal to three months.  Such
reserve percentages shall include those imposed pursuant to Regulation D of the
Board.  Statutory Reserves shall be adjusted automatically on and as of the
effective date of any change in any reserve percentage.  "THREE-MONTH SECONDARY
CD RATE" shall mean, for any day, the secondary market rate for three-month
certificates of deposit reported as being in effect on such day (or, if such day
shall not be a Business Day, the next preceding Business Day) by the Board
through the public information telephone line of the Federal Reserve Bank of New
York (which rate will, under the current practices of the Board, be published in
Federal Reserve Statistical Release H.15(519) during the week following such
day), or, if such rate shall not be so reported on such day or such next
preceding Business Day, the average of the secondary market quotations for
three-month certificates of deposit of major money center banks in New York City
received at approximately 10:00 a.m., New York City time, on such day (or, if
such day shall not be a Business Day, on the next preceding Business Day) by the
Agent from three New York City negotiable certificate of deposit dealers of
recognized standing selected by it.  "FEDERAL FUNDS EFFECTIVE RATE" shall mean,
for any day, the weighted average of the rates on overnight Federal funds
transactions with members of the Federal Reserve System arranged by Federal
funds brokers, as published on the next succeeding Business Day by the Federal
Reserve Bank of New York, or, if such rate is not so published for any day which
is a Business Day, the average of the quotations for the day of such
transactions received by the Agent from three Federal funds brokers of
recognized standing selected by it.  If for any reason the Agent shall have
determined (which determination shall be conclusive absent manifest error) that
it is unable to ascertain the Base CD Rate or the Federal Funds Effective Rate
or both for any reason, including the inability or failure of the Agent to
obtain sufficient quotations in accordance with the terms thereof, the Alternate
Base Rate shall be determined without regard to CLAUSE (b) or (c), or both, of
the first sentence of this definition, as appropriate, until the circumstances
giving rise to such inability no longer exist.  Any change in the Alternate Base
Rate due to a change in the Prime Rate, the Three-Month Secondary CD Rate or the
Federal Funds Effective Rate shall be effective on the effective date of such
change in the Prime Rate, the Three-Month Secondary CD Rate or the Federal Funds
Effective Rate, respectively.

          "APPLICABLE COMMITMENT FEE" shall mean, for any date, the applicable
number of basis points (expressed as a percentage) set forth below based on the
Debt/EBITDA Ratio as of the last day of the Borrower's most recently ended
period of four consecutive fiscal quarters:

     Debt/EBITDA Ratio                       Applicable Commitment Fee
     -----------------                       -------------------------
                                                 (in basis points)

     greater than 3.50 to 1.00                        37.50

     greater than 3.00 to 1.0 but less
       than or equal to 3.50 to 1.0                   31.25

     greater than 2.00 to 1.0 but less
       than or equal to 3.00 to 1.0                   25.00

     greater than 1.50 to 1.0 but less


                                       -2-
<PAGE>

       than or equal to 2.00 to 1.0                   22.50

     less than or equal to 1.50 to 1.0                20.00

          For purposes of the foregoing, the Applicable Commitment Fee at any
time shall be determined by reference to the Debt/EBITDA Ratio as of the last
day of the Borrower's most recently ended fiscal quarter, PROVIDED, that, in
calculating the Debt/EBITDA Ratio for purposes of this definition, Debt shall
not include obligations with respect to letters of credit (including Letters of
Credit issued hereunder) entered into in the ordinary course of business and
having an aggregate outstanding face amount of up to $50,000,000 to the extent
such letters of credit are not drawn on or, if and to the extent drawn on, such
drawing is promptly reimbursed following receipt by the applicable account party
of a demand for reimbursement following payment on the letter of credit.
Following the end of any such fiscal quarter, any change in the Applicable
Commitment Fee shall become effective for all purposes on and after the earlier
of (i) the date of delivery to the Agent of the Debt/EBITDA Ratio Certificate
for such fiscal quarter and (ii) the date of delivery to the Agent of the
Financial Officer's certificate and applicable financial statements described in
SECTIONS 5.07(a), (b) and (c) relating to such fiscal quarter; PROVIDED,
HOWEVER, that until either the DEBT/EBITDA Ratio Certificate or such certificate
and financial statements for the fiscal quarter ending September 30, 1995 have
been delivered to the Agent, the Applicable Commitment Fee shall be 25.0 basis
points.  Notwithstanding the foregoing, at any time during which the Borrower
has failed to deliver the Financial Officer's certificate and applicable
financial statements described in SECTIONS 5.07(a), (b) and (c) with respect to
a fiscal quarter in accordance with the provisions thereof for more than five
days after such certificate and the applicable financial statements are due, and
until such time as such financial statements are so delivered, the Applicable
Commitment Fee shall be 37.50 basis points.

          "APPLICABLE EURODOLLAR MARGIN" shall mean, for any date, with respect
to the Revolving Loans comprising any Eurodollar Borrowing, the applicable
margin set forth below based on the Debt/EBITDA Ratio as of the last day of the
Borrower's most recently ended period of four consecutive fiscal quarters:

     Debt/EBITDA Ratio                      Applicable Eurodollar Margin
     -----------------                      ----------------------------
                                                 (in basis points)

     greater than 4.00 to 1.00                        175.0

     greater than 3.50 to 1.0 but less
       than or equal to 4.00 to 1.0                   150.0

     greater than 3.00 to 1.0 but less
       than or equal to 3.50 to 1.0                   125.0

     greater than 2.50 to 1.0 but less
       than or equal to 3.00 to 1.0                    87.5

     greater than 2.00 to 1.0 but less
       than or equal to 2.50 to 1.0                    75.0

     greater than 1.50 to 1.0 but less
       than or equal to 2.00 to 1.0                    62.5

     less than or equal to 1.50 to 1.0                 50.0

          For purposes of the foregoing, the Applicable Eurodollar Margin at any
time shall be determined by reference to the Debt/EBITDA Ratio as of the last
day of the Borrower's most recently ended fiscal quarter, PROVIDED, that, in
calculating the Debt/EBITDA Ratio for purposes of this definition, Debt


                                       -3-
<PAGE>

shall not include obligations with respect to letters of credit (including
Letters of Credit issued hereunder) entered into in the ordinary course of
business and having an aggregate outstanding face amount of up to $50,000,000 to
the extent such letters of credit are not drawn on or, if and to the extent
drawn on, such drawing is promptly reimbursed following receipt by the
applicable account party of a demand for reimbursement following payment on the
letter of credit.  Following the end of any such fiscal quarter, any change in
the Applicable Eurodollar Margin shall become effective for all purposes on and
after the earlier of (i) the date of delivery to the Agent of the Debt/EBITDA
Ratio Certificate and (ii) the date of delivery to the Agent of the Financial
Officer's certificate and applicable financial statements described in SECTIONS
5.07(a), (b) and (c) relating to such fiscal quarter; PROVIDED, HOWEVER, that
until either the Debt/EBITDA Ratio Certificate or such certificate and financial
statements for the fiscal quarter ending September 30, 1995 have been delivered
to the Agent, the Applicable Eurodollar Margin shall be 87.50 basis points.
Notwithstanding the foregoing, at any time during which the Borrower has failed
to deliver the Financial Officer's certificate and applicable financial
statements described in SECTIONS 5.07(a), (b) and (c) with respect to a fiscal
quarter in accordance with the provisions thereof for more than five days after
such certificate and the applicable financial statements are due, and until such
time as such financial statements are so delivered, the Applicable Eurodollar
Margin shall be 175.00 basis points.

          "ASSIGNMENT AND ACCEPTANCE" shall mean an assignment and acceptance
entered into by a Lender and an Eligible Assignee, approved in accordance with
SECTION 9.04 and accepted by the Agent, in the form of EXHIBIT B or such other
form as shall be approved by the Agent.

          "AVERAGE LIFE" means, as of any date, with respect to any debt or
redeemable equity security, the quotient obtained by dividing (i) the sum of the
products of (x) the number of years from such date to the date of each scheduled
principal or redemption payment (including any sinking fund or mandatory
redemption payment requirements) of such debt or equity security multiplied in
each case by (y) the amount of such principal or redemption payments by (ii) the
sum of all such principal or redemption payments.

          "BANKRUPTCY CODE" shall mean Title 11 of the United States Code (11
U.S.C. Sections 101 et seq.), as amended from time to time, or any successor
statute.

          "BENEFIT PLAN" shall mean a defined benefit plan as defined in Section
3(35) of ERISA (other than a Multiemployer Plan) in respect of which the
Borrower or an ERISA Affiliate is, or within the immediately preceding five (5)
years was, an "employer" as defined in Section 3(5) of ERISA.

          "BOARD" shall mean the Board of Governors of the Federal Reserve
System of the United States of America.

          "BORROWING" shall mean a Revolving Loan Borrowing or a Competitive Bid
Borrowing.

          "BUSINESS DAY" shall mean any day (other than a day which is a
Saturday, Sunday or legal holiday in the State of New York) on which banks are
open for business in New York City; PROVIDED, HOWEVER, that, when used in
connection with a Eurodollar Loan, the term "BUSINESS DAY" shall also exclude
any day on which banks are not open for dealings in dollar deposits in the
London interbank market.

          "CAPITAL LEASE" shall mean any lease of (or other arrangement
conveying the right to use) real or personal property, or a combination thereof,
the obligations with respect to which are required to be classified and
accounted for as capital leases on a balance sheet of such Person under GAAP.


                                       -4-
<PAGE>

          "CASH EQUIVALENTS" shall mean (i) marketable direct obligations issued
or unconditionally guaranteed by the United States Government or issued by an
agency or instrumentality thereof and backed by the full faith and credit of the
United States Government, in each case maturing within 180 days after the date
of acquisition thereof; (ii) marketable direct obligations issued by any state
of the United States of America or any political subdivision of any such state
or any public instrumentality thereof maturing within 180 days after the date of
acquisition thereof and, at the time of acquisition, having a rating of at least
A-1 or the equivalent thereof from S&P or a rating of at least P-1 or the
equivalent thereof from Moody's (or, if at any time neither S&P nor Moody's
shall be rating such obligations, then an equivalent rating from such other
nationally recognized rating services acceptable to the Agent) and not listed in
Credit Watch published by S&P; (iii) with respect to CGC (A) marketable direct
obligations issued or unconditionally guaranteed by the Canadian Government or
issued by an agency thereof and backed by the full faith and credit of Canada,
in each case maturing within 180 days after the date of acquisition thereof, and
(B) domestic and eurodollar certificates of deposit or time deposits or bankers'
acceptances maturing within 180 days after the date of acquisition thereof
issued by any commercial bank organized under the laws of Canada or any province
thereof having combined capital and surplus of not less than $250,000,000;
(iv) commercial paper (other than commercial paper issued by the Borrower or any
of its Affiliates) and variable or fixed rate notes maturing no more than 180
days after the date of acquisition thereof and, at the time of acquisition,
having a rating of at least A-1 or P-1 from either S&P or Moody's, respectively
(or, if at any time neither S&P nor Moody's shall be rating such obligations,
then an equivalent rating from such other nationally recognized rating services
acceptable to the Agent); (v) domestic and eurocurrency certificates of deposit
or time deposits or bankers' acceptances issued by (a) any commercial bank
organized under the laws of the United States of America or any state thereof or
the District of Columbia having combined capital and surplus of not less than
$250,000,000 or (b) any bank with a short-term commercial paper rating from S&P
of at least A-1 or the equivalent thereof, or from Moody's of at least P-1 or
the equivalent thereof, in each case maturing no more than 180 days from the
acquisition thereof; (vi) repurchase agreements with a term of not more than
fifteen (15) days with a bank or trust company or recognized securities dealer
having capital and surplus in excess of $250,000,000 for direct obligations
issued by or fully guaranteed by the United States of America; and (vii)
investments in money market funds substantially all of the assets of which are
comprised of securities described in (I)-(vi) above.

          "CGC" shall mean, collectively, CGC Inc., Donn Canada Limited and
C.N.G. Distribution Limited, each a corporation organized under the laws of
Canada.

          "CLOSING DATE" shall mean July 27, 1995.

          "COLLATERAL DOCUMENTS" shall mean the Pledge Agreement, and the
Collateral Trust Agreement.

          "COLLATERAL TRUST AGREEMENT" shall mean that certain Collateral Trust
Agreement of even date herewith by and between the Collateral Trustee and the
Borrower, for the benefit of the Senior Secured Creditors, as the same may be
amended, restated, supplemented or otherwise modified from time to time.

          "COLLATERAL TRUSTEE" shall mean collectively, Wilmington Trust
Company, a Delaware banking corporation, its successors and assigns, as
corporate trustee, and William J.  Wade, as individual trustee, under the
Collateral Trust Agreement.

          "COMMISSION" shall mean the Securities and Exchange Commission and any
Person succeeding to the functions thereof.


                                       -5-
<PAGE>

          "COMMITMENT" shall mean each Lender's Revolving Credit Commitment or
LC Commitment, and "COMMITMENTS", when used in respect of any Lender, shall mean
such Lender's Revolving Credit Commitment and LC Commitment.

          "COMMITMENT FEE" shall have the meaning given to such term in
SECTION 2.07.

          "COMPETITIVE BID" shall mean an offer by a Lender to make a
Competitive Bid Loan pursuant to SECTION 2.04.

          "COMPETITIVE BID ACCEPT/REJECT LETTER" shall mean a notification made
by the Borrower pursuant to SECTION 2.04 in the form of EXHIBIT C.

          "COMPETITIVE BID BORROWING" shall mean a borrowing consisting of a
Competitive Bid Loan or concurrent Competitive Bid Loans from the Lender or
Lenders whose Competitive Bids for such Borrowing have been accepted by the
Borrower under the bidding procedure described in SECTION 2.04.

          "COMPETITIVE BID LOAN" shall mean a Loan from a Lender to the Borrower
made pursuant to the bidding procedures set forth in SECTION 2.04.  Each
Competitive Bid Loan shall be a Eurodollar Loan bearing interest at the LIBO
Rate plus the Spread applicable thereto or a Fixed Rate Loan.

          "COMPETITIVE BID NOTE" shall have the meaning given to such term in
SECTION 2.05.

          "COMPETITIVE BID RATE" shall mean, as to any Competitive Bid made by a
Lender pursuant to SECTION 2.04 (i) in the case of a Eurodollar Loan, the LIBO
Rate plus the Spread, and (ii) in the case of a Fixed Rate Loan, the fixed rate
of interest offered by the Lender making such Competitive Bid.

          "CONSOLIDATED NET INCOME" shall mean, for any period, the aggregate
net income or net loss of the Borrower and its Subsidiaries for such period
computed on a consolidated basis in accordance with GAAP; PROVIDED, that there
shall be excluded therefrom, without duplication, (a) all items classified as
extraordinary; (b) any net loss or net income of any Person other than the
Borrower and its Subsidiaries, except to the extent of the amount of dividends
or other distributions actually paid to the Borrower or any of its Subsidiaries
by such other Person during such period, (c) the net income of any Subsidiary of
the Borrower to the extent that the payment of dividends or other distributions
actually paid to the Borrower is restricted by contract or otherwise, except for
any dividends or distributions actually paid by such Subsidiaries; PROVIDED that
the net income of all such Subsidiaries shall be excluded from Consolidated Net
Income only to the extent that it exceeds $2,000,000 per annum, and (d)
amortization of excess reorganization value and capitalized reorganization debt
discount costs associated with the revaluation of assets and liabilities with
respect to the prepackaged plan of reorganization implemented on May 6, 1993, in
each case as set forth or reflected in the Borrower's financial statements most
recently filed under the Securities Exchange Act.

          "CONTAMINANT" shall mean any waste, pollutant (as that term is defined
in 42 U.S.C. 9601(33) or in 33 U.S.C. 1362(13)), hazardous substance (as that
term is defined in 42 U.S.C.  9601(14)), hazardous chemical (as that term is
defined by 29 CFR Sections 1910.1200(c)), toxic substance, hazardous waste (as
that term is defined in 42 U.S.C. 6901), radioactive material, special waste,
petroleum, including crude oil or any petroleum-derived substance, waste, or
breakdown or decomposition product thereof, or any constituent of any such
substance or waste, including but not limited to polychlorinated biphenyls.

          "CONTRACTUAL OBLIGATION", as applied to any Person, shall mean any
provision of any Securities issued by that Person or any indenture, mortgage,
deed of trust, contract, undertaking, document, instrument or other agreement


                                       -6-
<PAGE>

or instrument to which that Person is a party or by which it or any of its
properties is bound, or to which it or any of its properties is subject
(including, without limitation, any restrictive covenant affecting such Person
or any of its properties).

          "CONTROL" shall mean the direct or indirect possession of the power to
direct or cause the direction of the management or policies of a Person, whether
through the ownership of voting securities, by contract or otherwise, and
"Controlling" and "Controlled" shall have meanings correlative thereto.

          "CREDIT EVENT" shall have the meaning given such term in ARTICLE IV.

          "CUSTOMARY PERMITTED LIENS" shall mean:

          (i)  Liens (other than Environmental Liens and any Lien imposed under
     ERISA) for taxes, assessments or charges of any Governmental Authority for
     claims not yet due or which are being contested in good faith by
     appropriate proceedings and with respect to which adequate reserves or
     other appropriate provisions are being maintained in accordance with GAAP;

          (ii)  statutory Liens of landlords and Liens of carriers,
     warehousemen, mechanics, materialmen and other Liens (other than any Lien
     imposed under ERISA) imposed by law, created in the ordinary course of
     business and for amounts not yet due or which are being contested in good
     faith by appropriate proceedings and with respect to which adequate
     reserves or other appropriate provisions are being maintained in accordance
     with GAAP;

          (iii)  Liens (other than any Lien imposed under ERISA) incurred or
     deposits made in the ordinary course of business (including, without
     limitation, security deposits for leases, surety bonds and appeal bonds) in
     connection with workers' compensation, liability insurance or self-
     insurance, unemployment insurance and other types of social security
     benefits or to secure the performance of tenders, bids, contracts (other
     than for the repayment or guarantee of borrowed money or purchase money
     obligations), statutory obligations and other similar obligations or
     arising as a result of progress payments under government contracts;

          (iv)  easements (including, without limitation, reciprocal easement
     agreements and utility agreements), rights-of-way, liens with respect to
     municipal and zoning ordinances, covenants, consents, reservations,
     encroachments, minor defects or irregularities in title, variations and
     other restrictions, charges or encumbrances (whether or not recorded)
     affecting the use of real property, which individually or in the aggregate
     do not or are not reasonably likely to have a Material Adverse Effect;

          (v)  Liens incurred with respect to rights of agents for collection
     for the Borrower and its Subsidiaries under assignments of chattel paper,
     accounts, instruments, or general intangibles for purposes of collection in
     the ordinary course of business;

          (vi)  Liens in favor of customs and revenue authorities arising as a
     matter of law to secure payment of customs duties in connection with the
     importation of goods;

          (vii)  purchase money security interests of suppliers with respect to
     goods supplied, which security interests have not been perfected by filing
     or by the taking of possession of collateral and which have not been in
     existence more than ninety (90) days; and


                                       -7-
<PAGE>

          (viii)  extensions, renewals or replacements of any Lien referred to
     in CLAUSES (i) through (vii) above; PROVIDED, that (A) in the case of
     PARAGRAPHS (i) through (iii) above, the principal amount of the obligation
     secured thereby is not increased and (B) any such extension, renewal or
     replacement is limited to the property originally encumbered thereby.

          "DEBT" at any time, shall mean, with respect to the Borrower and its
Subsidiaries on a consolidated basis, without duplication, the sum of (i) the
aggregate outstanding principal balance of all Revolving Loans and all
Competitive Bid Loans at such time, (ii) the aggregate principal amount of long-
term indebtedness of the Borrower and its consolidated Subsidiaries at such time
(including the current portion thereof), (iii) the outstanding principal amount
of capital leases shown as a liability on the Borrower's consolidated balance
sheet at such time, (iv) all reimbursement obligations and other liabilities of
the Borrower and its consolidated Subsidiaries with respect to letters of
credit, other than letters of credit issued in connection with the incurrence of
trade debt, (v) any indebtedness incurred other than in the ordinary course of
business, whether or not for borrowed money, secured by any Lien in respect of
property owned by such Person, whether or not such Person has assumed or become
liable for the payment of such indebtedness, (vi) any indebtedness (other than
trade debt incurred in the ordinary course of business), whether or not for
borrowed money, with respect to which such Person has become directly or
indirectly liable and which represents or has been incurred to finance the
purchase price (or a portion thereof) of any property or services or business
acquired by the Borrower or any such consolidated Subsidiary, whether by
purchase, consolidation, merger or otherwise, and (vii) the aggregate amount of
all Guarantees with respect to indebtedness of third parties of the type
described in CLAUSES (ii) through (vi) above at such time.

          "DEBT/EBITDA RATIO" shall mean the ratio, calculated as of the last
day of each of the Borrower's fiscal quarters, of (i) Debt less the aggregate
amount of cash and Cash Equivalents held by the Borrower and its consolidated
Subsidiaries to (ii) EBITDA for the four quarter period ending on the last day
of such fiscal quarter (in each case as reflected on the Borrower's consolidated
financial statements for such fiscal quarter).

          "DEBT/EBITDA RATIO CERTIFICATE" shall mean a Debt/EBITDA Ratio
Certificate substantially in the form of EXHIBIT J attached hereto, duly
executed and delivered by a Financial Officer.

          "DOL" shall mean the Department of Labor and any Person succeeding to
the functions thereof.

          "DOLLARS" or "$" shall mean lawful money of the United States of
America.

          "EBITDA" for any period, shall mean the consolidated operating
earnings from continuing operations of the Borrower and its Subsidiaries before
interest, taxes, depreciation, amortization, other income and expense, minority
interests, the impact of fresh start accounting and other non-cash adjustments
to operating earnings for such period, PROVIDED, that, for purposes of the
period ending September 30, 1995, operating earnings from continuing operations
shall not be reduced by the $30,000,000 pre-tax charge which occurred in the
fourth fiscal quarter of 1994 in connection with asbestos litigation
settlements.

          "ELIGIBLE ASSIGNEE" shall mean (a) a commercial bank having total
assets in excess of $2,000,000,000, (b) a savings and loan association or a
savings bank organized under the laws of the United States of America or any
state thereof and having a net worth of at least $300,000,000 computed in
accordance with GAAP, (c) a finance company, insurance company or other
financial institution or fund that is regularly engaged in making, purchasing


                                       -8-
<PAGE>

or investing in loans and has total assets in excess of $300,000,000 or (d) an
Affiliate of any Lender.

          "ENVIRONMENTAL LIEN" shall mean a Lien in favor of any Governmental
Authority for (i) any liability under Federal or state environmental laws or
regulations, or (ii) damages arising from, or costs incurred by such
Governmental Authority in response to, a Release or threatened Release of a
Contaminant into the environment.

          "ERISA" shall mean the Employee Retirement Income Security Act of
1974, as the same may be amended from time to time, and the regulations
promulgated and the rulings issued thereunder.

          "ERISA AFFILIATE" shall mean each person (as defined in Section 3(9)
of ERISA) that is a member of a group of which the Borrower is a member and
which is treated as a single employer under Section 414 of the Internal Revenue
Code, excluding any foreign Subsidiary of the Borrower which is not subject to
ERISA.

          "EURODOLLAR BORROWING" shall mean a Borrowing comprised of Eurodollar
Loans.

          "EURODOLLAR LOAN" shall mean any Loan bearing interest at a rate
determined by reference to the LIBO Rate in accordance with the provisions of
ARTICLE II.

          "EVENT OF DEFAULT" shall have the meaning given to such term in
ARTICLE VII.

          "EXISTING CREDIT AGREEMENT" shall mean the Amended and Restated Credit
Agreement dated as of May 6, 1993 among the Borrower, USG Interiors, Inc., the
financial institutions party thereto, Bankers Trust Company, Chemical Bank and
Citibank, N.A., as Agents, and Citibank, N.A., as Administrative Agent, as the
same was amended, supplemented or otherwise modified from time to time through
the date hereof.

          "FEDERAL FUNDS EFFECTIVE RATE" shall have the meaning given to such
term in the definition of "Alternate Base Rate".

          "FEES" shall mean the Commitment Fees, the Issuing Bank Fees and the
LC Fees.

          "FINANCIAL OFFICER" shall mean the  chief financial officer, the
controller, the assistant controller, the treasurer or the assistant treasurer
of the Borrower.

          "FISCAL YEAR" shall mean the fiscal year of the Borrower, which shall
be the twelve (12) month period ending on December 31 in each year or such other
period as the Borrower may designate and the Agent may approve in writing.

          "FIXED RATE LOAN" shall mean any Competitive Bid Loan bearing interest
at a fixed percentage rate per annum (expressed in the form of a decimal to no
more than four decimal places) specified by the Lender making such Loan in its
Competitive Bid.

          "GAAP" shall mean generally accepted accounting principles, applied on
a consistent basis.

          "GOVERNMENTAL AUTHORITY" shall mean any nation or government, any
Federal, state, local or other political subdivision thereof and any entity
exercising executive, legislative, judicial, regulatory or administrative
functions of or pertaining to government.


                                       -9-
<PAGE>

          "GUARANTEE" when used with respect to any Person shall mean the
incurrence of any obligation, contingent or otherwise, of such Person
guaranteeing or having the economic effect of guaranteeing any Debt of any other
Person (the "primary obligor") in any manner, whether directly or indirectly,
and including any obligation of such Person, direct or indirect, (a) to purchase
or pay (or advance or supply funds for the purchase or payment of) such Debt or
to purchase (or to advance or supply funds for the purchase of) any security for
the payment of such Debt, (b) to purchase property or securities for the purpose
of assuring the owner of such Debt of the payment of such Debt or (c) to
maintain working capital, equity capital or other financial statement condition
or liquidity of the primary obligor so as to enable the primary obligor to pay
such Debt; PROVIDED, HOWEVER, that the term "Guarantee" shall not include
endorsements of items by any Person for collection or deposit in the ordinary
course of business.

          "INDEMNITEE" shall have the meaning given to such term in
SECTION 9.05(b).

          "INTEREST COVERAGE RATIO" of the Borrower for any period shall mean
the ratio of (a) EBITDA for such period to (b) the total net consolidated
interest expense of the Borrower and its Subsidiaries during such period (as
shown on a consolidated income statement of the Borrower for such period),
excluding the impact of non-cash amortization resulting from fresh start
accounting during such period.

          "INTEREST PAYMENT DATE" shall mean, with respect to any Loan, the last
day of the Interest Period applicable to such Loan and, in the case of a
Eurodollar Loan with an Interest Period of more than three months' duration,
each day that would have been an Interest Payment Date had successive Interest
Periods of three months' duration been applicable to such Eurodollar Loan.

          "INTEREST PERIOD" shall mean (a) as to any Eurodollar Loan, the period
commencing on the date of such Eurodollar Loan or on the last day of the
immediately preceding Interest Period applicable to such Eurodollar Loan, as the
case may be, and ending on the numerically corresponding day (or, if there is no
numerically corresponding day, on the last day) in the calendar month that is 1,
2, 3 or 6 months thereafter, as the Borrower may elect (or as the Borrower may
be deemed to elect), (b) as to any ABR Loan, the period commencing on the date
of such ABR Loan or on the last day of the immediately preceding Interest Period
applicable to such ABR Loan, as the case may be, and ending on the earlier of
(i) the next succeeding March 31, June 30, September 30 or December 31, and
(ii) the Maturity Date, and (c) in the case of a Fixed Rate Loan, a period
commencing on the date of such Fixed Rate Loan and ending on the date specified
in the Competitive Bid in which the offer to make such Fixed Rate Loan was
extended and accepted pursuant to SECTION 2.04, which shall not be earlier than
7 days after the date, or later than 180 days after the date, that such Fixed
Rate Loan was made (but in no event after the Maturity Date); PROVIDED, HOWEVER,
that if any Interest Period would end on a day other than a Business Day, such
Interest Period shall be extended to the next succeeding Business Day unless, in
the case of a Eurodollar Loan only, such next succeeding Business Day would fall
in the next calendar month, in which case such Interest Period shall end on the
next preceding Business Day.  Interest shall accrue from and including the first
day of an Interest Period to but excluding the last day of such Interest Period.

          "INTEREST RATE CONTRACTS" shall mean interest rate exchange, swap,
collar, cap or similar hedging agreements providing interest rate protection.


          "INTERNAL REVENUE CODE" shall mean the Internal Revenue Code of 1986,
as amended from time to time, and any successor statute, and the regulations
promulgated and rulings issued thereunder.


                                      -10-
<PAGE>

          "INVESTMENT" shall mean, as applied to any Person, any direct or
indirect purchase or other acquisition by that Person of Securities, or of a
beneficial interest in Securities, of any other Person, and any direct or
indirect loan, advance (other than accounts arising in the ordinary course of
business (including, but not limited to, amounts received in compromise of
accounts receivable in connection with collection or settlement) and deposits
with financial institutions available for withdrawal on demand, prepaid
expenses, advances to employees, directors, officers, agents, customers or
suppliers, deposits made in connection with the purchase of equipment or other
assets, and similar items made or incurred in the ordinary course of business),
or capital contribution by such Person to any other Person, including all Debt
owed by that other Person which did not arise from sales of goods or services to
that Person in the ordinary course of business; PROVIDED, HOWEVER, that
"Investment", when applied to the Borrower, shall not include the Obligations
under this Agreement.  The amount of any Investment shall be determined in
conformity with GAAP.

          "INVESTMENT GRADE", shall mean, with respect to any security, that
such security has been rated BBB- or better by S&P and Baa3 or better by
Moody's; PROVIDED, that if such security has been rated by only one of Moody's
and S&P, then "Investment Grade" shall mean that such security has been rated
BBB- or better by S&P or Baa3 or better by Moody's.

          "IRS" shall mean the Internal Revenue Service and any Person
succeeding to the functions thereof.

          "ISSUING BANK" shall mean any Lender designated as an Issuing Bank in
an Issuing Bank Agreement executed by such Lender, the Borrower and the Agent.

          "ISSUING BANK AGREEMENT" shall mean, with respect to an Issuing Bank,
the collective documents and agreements between the Borrower and such Issuing
Bank providing for (I) the commitment of such Issuing Bank to issue Letters of
Credit and (ii) such other terms and conditions as such Issuing Bank may
require, including provisions respecting reimbursement, with such modifications
thereto as may be agreed upon by such Issuing Bank and the Borrower and as are
consistent with the provisions hereof; PROVIDED, HOWEVER, in the event of any
conflict between the terms of any Issuing Bank Agreement and this Agreement, the
terms of this Agreement shall control.

          "ISSUING BANK FEES" shall mean, as to any Issuing Bank, the fees set
forth in the applicable Issuing Bank Agreement or any letter agreement executed
in connection therewith.

          "LC COMMITMENT" shall mean, with respect to each Lender, the
commitment of such Lender to acquire participations in Letters of Credit
hereunder, which commitment shall be determined by multiplying such Lender's Pro
Rata Share by the Aggregate LC Commitments, as the same may be modified from
time to time pursuant to SECTION 9.04 or reduced from time to time pursuant to
SECTION 2.11.

          "LC DISBURSEMENT" shall mean any payment or disbursement made by an
Issuing Bank under or pursuant to a Letter of Credit.

          "LC EXPOSURE" shall mean, at any time, the sum of (a) the aggregate
undrawn amount of all Letters of Credit outstanding at such time plus (b) the
aggregate amount which has been drawn under Letters of Credit but for which the
applicable Issuing Bank or the Lenders, as the case may be, have not been
reimbursed by the Borrower at such time.

          "LC FEE" shall have the meaning given to such term in SECTION 2.07(b).


                                      -11-
<PAGE>

          "LENDER" shall mean, at any time, a financial institution that is
either set forth on the signature pages hereof or that has become a lender
pursuant to SECTION 9.04 and that, as of such time, remains a party hereto.

          "LETTERS OF CREDIT" shall mean letters of credit issued by an Issuing
Bank for the account of the Borrower pursuant to SECTION 2.15.

          "LIABILITIES AND COSTS" shall mean all liabilities, obligations,
responsibilities, losses, damages, punitive damages, consequential damages,
treble damages, costs and expenses (including, without limitation, attorneys',
experts' and consulting fees and costs of investigation and feasibility
studies), fines, penalties, monetary sanctions and interest, whether direct or
indirect, known or unknown, absolute or contingent, past, present or future.

          "LIBO RATE" shall mean, with respect to any Eurodollar Loan for any
Interest Period, an interest rate per annum determined by the Agent to be the
arithmetic average of the rates designated as "LIBO" on Telerate screen number
3750 USD-LIBOR-BBA (rounded upwards, if necessary, to the nearest 1/16 of 1%)
for deposits with a maturity comparable to a 1-, 2-, 3- or 6- month Interest
Period offered in immediately available funds in the London interbank market at
approximately 11:00 a.m., London time, two Business Days prior to the
commencement of such Interest Period; PROVIDED, HOWEVER, that if such screen is
canceled or becomes otherwise unavailable, the "LIBO Rate" shall be determined
by some other reference to be agreed upon by the Borrower and the Agent.

          "LIEN" shall mean any mortgage, deed of trust, pledge, hypothecation,
assignment, collateral deposit arrangement, security interest, encumbrance
(including, but not limited to, easements, rights of way, zoning restrictions,
restrictive covenants and the like), lien (statutory or other), preference,
priority or other security agreement or preferential arrangement of any kind or
nature whatsoever, including, without limitation, any conditional sale or other
title retention agreement, the interest of a lessor under a Capital Lease, any
financing lease having substantially the same economic effect as any of the
foregoing, and the filing of any financing statement (other than a financing
statement filed by a "true" lessor pursuant to 9-408 of the Uniform Commercial
Code) naming the Borrower or any Material Subsidiary as owner of the collateral
to which such Lien relates as debtor, under the Uniform Commercial Code or other
comparable law of any jurisdiction; PROVIDED, that any financing statement or
similar statement filed without the consent of the Borrower or any of its
Subsidiaries shall not constitute a Lien if such statement does not secure an
obligation due and owing by the Borrower or any such Subsidiary and the Borrower
or such Subsidiary, as appropriate, shall take prompt action to have the
statement terminated or otherwise removed.

          "LOAN DOCUMENTS" shall mean this Agreement, the Notes, the Collateral
Trust Agreement, the Pledge Agreement, each Issuing Bank Agreement and the Agent
Fee Letter.

          "LOANS" shall mean Competitive Bid Loans and/or Revolving Loans.

          "MARGIN STOCK" shall have the meaning given such term under
Regulation U.

          "MATERIAL ADVERSE EFFECT" shall mean a material adverse effect, or any
event which is reasonably likely to have a material adverse effect, upon (I) the
financial condition, operations, or properties of the Borrower and its
Subsidiaries, taken as a whole and taking into account the cyclical nature of
the business of the Borrower and its Subsidiaries or (ii) the ability of the
Borrower and its Subsidiaries, taken as a whole, to perform under, or the
ability of the Lenders to enforce repayment of the Loans and the other
Obligations under, the Loan Documents.


                                      -12-
<PAGE>

          "MATERIAL SUBSIDIARY" shall mean, at any time, any one of (I) United
States Gypsum Company, a Delaware corporation, (ii) USG Interiors, Inc., a
Delaware corporation, (iii) L&W Supply Corporation, a Delaware corporation, (iv)
USG Foreign Investments, Ltd., a Delaware corporation, (v) any other Subsidiary
of the Borrower with revenues for the four fiscal quarter period ending on the
last day of the most recently ended fiscal quarter of the Borrower greater than
or equal to 10% of the total revenues of the Borrower and its Subsidiaries on a
consolidated basis for such period, or (vi) any other Subsidiary of the Borrower
with assets as of the last day of the Borrower's most recently ended fiscal
quarter greater than or equal to 10% of the total assets of the Borrower and its
Subsidiaries on a consolidated basis on such date, in each case computed in
accordance with GAAP; and "MATERIAL SUBSIDIARIES" shall mean all of the
foregoing.

          "MATURITY DATE" shall mean the seventh anniversary of the Closing
Date.

          "MOODY'S" shall mean Moody's Investors Service, Inc., and any
successor thereof.

          "MULTIEMPLOYER PLAN" shall mean a multiemployer plan as defined in
Section 4001(a)(3) of ERISA to which the Borrower or any ERISA Affiliate (other
than one considered an ERISA Affiliate only pursuant to subsection (m) or (o) of
Section 414 of the Internal Revenue Code) is making or accruing an obligation to
make contributions, or has within any of the preceding five (5) plan years made
or accrued an obligation to make contributions.

          "NOTE" shall mean a Competitive Bid Note or a Revolving Loan Note.

          "NOTICE OF COMPETITIVE BID BORROWING" shall have the meaning given to
such term in SECTION 2.04(a).

          "NOTICE OF COMPETITIVE BID REQUEST" shall have the meaning given to
such term in SECTION 2.04(a).

          "OBLIGATIONS" shall mean the principal of and all interest on all
Loans and Letters of Credit, all fees, expense reimbursements, taxes,
compensation and indemnities payable by the Borrower to the Agent, any Lender or
any Issuing Bank pursuant to this Agreement or any other Loan Document
(including liabilities arising under Interest Rate Contracts to which any Lender
is a party) of the Borrower owing to the Agent, any Lender, any Issuing Bank or
any Person entitled to indemnification pursuant to SECTION 9.05(b), or any of
their respective successors, transferees or assigns, of every type and
description, arising under this Agreement, any Note or any other Loan Document,
whether or not for the payment of money, whether direct or indirect (including
those acquired by assignment), absolute or contingent, due and at any time
existing.

          "OPERATING LEASE" shall mean, as applied to any Person, any lease of
any property (whether real, personal or mixed) by that Person as lessee which is
not a Capital Lease.

          "OUTSTANDINGS" shall mean, at any given time, the aggregate
outstanding principal balance of Revolving Loans and Competitive Bid Loans and
the LC Exposure.

          "PBGC" shall mean the Pension Benefit Guaranty Corporation referred to
and defined in ERISA, or any successor thereto.

          "PERMIT" shall mean any permit, approval, authorization, license,
variance, or permission required from a Governmental Authority under an
applicable Requirement of Law.


                                      -13-
<PAGE>

          "PERMITTED LIENS" shall have the meaning given to such term in
SECTION 6.03.

          "PERMITTED REFINANCING DEBT" means Debt of the Borrower, the proceeds
of which are used to Refinance outstanding Debt of the Borrower or any
Subsidiary, provided that (I) if the Debt being Refinanced is pari passu with or
subordinated in right of payment to the Obligations, then such Debt is pari
passu or subordinated in right of payment to, as the case may be, the
Obligations at least to the same extent as the Debt being Refinanced, (ii) such
Debt is scheduled to mature (as determined under GAAP) no earlier than the
earlier of (A) the maturity date of the Debt being Refinanced and (B) the
Maturity Date, (iii) such Debt has an Average Life at the time such Debt is
incurred that is equal to or greater than the lesser of (A) the Average Life of
the Debt being Refinanced and (B) the period from the date such Debt is incurred
to the Maturity Date, and (iv) such Debt is in an aggregate principal amount
(or, if such Debt is issued at a price less than the principal amount thereof,
has an aggregate original issue price) not in excess of the aggregate principal
amount then outstanding of the Debt being Refinanced (or if the Debt being
Refinanced was issued at a price less than the principal amount thereof, then
not in excess of the amount of liability in respect thereof determined in
accordance with GAAP) plus all interest accrued thereon and all related fees,
expenses, and redemption or repurchase premiums (including any payments made in
connection with procuring any required lender or similar consents).

          "PERSON" shall mean any natural person, employee, corporation, limited
partnership, general partnership, joint stock company, joint venture,
association, limited liability company, limited liability partnership, company,
trust, bank, trust company, land trust, business trust or other organization,
whether or not a legal entity, or any other non-governmental entity, or any
Governmental Authority.

          "PLAN" shall mean any pension plan (other than a Multiemployer Plan)
subject to the provisions of Title IV of ERISA or Section 412 of the Internal
Revenue Code which is maintained for employees of the Borrower or any ERISA
Affiliate.

          "PLEDGE AGREEMENT" shall mean that certain Pledge Agreement, of even
date herewith, executed by the Borrower in favor of the Collateral Trustee for
the benefit of the Senior Secured Creditors, pursuant to which the Borrower
shall pledge to the Collateral Trustee the capital stock of its domestic
Material Subsidiaries.

          "POOLING AND SERVICING AGREEMENT" shall mean that certain Pooling and
Servicing Agreement dated as of December 20, 1994, as the same has been amended,
restated, supplemented or otherwise modified from time to time through the date
hereof, among the Borrower, USG Funding Corporation, a Delaware corporation and
a Subsidiary of the Borrower, and Chemical Bank, in its capacity as trustee.

          "POTENTIAL EVENT OF DEFAULT" shall mean any event or condition which
upon notice, lapse of time or both would constitute an Event of Default.

          "PRIME RATE" shall mean the rate of interest per annum publicly
announced from time to time by Chemical Bank as its prime rate in effect at its
principal office in New York City.

          "PRO RATA SHARE" shall mean, at any particular time and with respect
to any Lender, a fraction (expressed as a percentage), the numerator of which
shall be such Lender's Revolving Credit Commitment and the denominator of which
shall be the Aggregate Revolving Credit Commitments, as adjusted from time to
time pursuant to the terms of this Agreement; PROVIDED, that if all of the
Revolving Credit Commitments are terminated or reduced to zero hereunder, "Pro
Rata Share" shall mean, at any particular time and with respect to any Lender, a
fraction (expressed as a percentage), the numerator


                                      -14-
<PAGE>

of which shall be the then amount of such Lender's outstanding Revolving Loans
and the denominator of which shall be the then aggregate amount of all Revolving
Loans outstanding hereunder.

          "PROPERTY" shall mean any real or personal property, plant, building,
facility, structure, equipment or unit, or other asset owned, leased or operated
by the Borrower or any of its Subsidiaries.

          "RECEIVABLES PURCHASE AGREEMENT" shall have the meaning given to such
term in the Pooling and Servicing Agreement.

          "REFINANCE" shall mean, with respect to any Debt, to renew, extend,
refinance, refund, replace or repurchase, or be substituted for, such Debt and
"Refinancing" means the renewal, extension, refinancing, refunding, replacement
or repurchasing of, or substitution for, such Debt.

          "REGISTER" shall have the meaning given to such term in SECTION
9.04(d).

          "REGULATION D" shall mean Regulation D of the Board as from time to
time in effect and all official rulings and interpretations thereunder or
thereof.

          "REGULATION G" shall mean Regulation G of the Board as from time to
time in effect and all official rulings and interpretations thereunder or
thereof.

          "REGULATION U" shall mean Regulation U of the Board as from time to
time in effect and all official rulings and interpretations thereunder or
thereof.

          "REGULATION X" shall mean Regulation X of the Board as from time to
time in effect and all official rulings and interpretations thereunder or
thereof.

          "RELEASE" shall mean significant release, spill, emission, leaking,
pumping, injection, deposit, disposal, discharge, dispersal, leaching or
migration into the indoor or outdoor environment or into or upon any land, water
or air, including the movement of Contaminants through or in the air, soil,
surface water or groundwater.

          "REMEDIAL ACTION" shall have the meaning given to such term in
SECTION 7.01(n).

          "REPORTABLE EVENT" shall mean any reportable event as defined in
Section 4043(b) of ERISA or the regulations issued thereunder, with respect to
which the notice requirements to the PBGC have not been waived.





          "REQUIREMENTS OF LAW" shall mean, as to any Person, the charter and
by-laws or other organizational or governing documents of such Person, and any
law, rule or regulation, or determination of an arbitrator or a court or other
Governmental Authority, in each case applicable to or binding upon such Person
or any of its property or to which such Person or any of its property is
subject, including, without limitation, the Securities Act, the Securities
Exchange Act, Regulations G, U and X, and any certificate of occupancy, zoning
ordinance, building, environmental or land use requirement, approval, Permit or
license or occupational safety or health law, rule or regulation.

          "REQUISITE LENDERS" shall mean, except as otherwise provided in
SECTION 9.18(v), Lenders whose Pro Rata Shares, in the aggregate, are greater
than fifty-one percent (51%); PROVIDED, HOWEVER, that for purposes of this
definition only, the term "Revolving Loans" that appears twice in the proviso to
the definition of the term "Pro Rata Share" shall be replaced with the term
"Outstandings".


                                      -15-
<PAGE>

          "RESTRICTED PAYMENTS" shall have the meaning given to such term in
SECTION 6.08.

          "REVOLVING CREDIT AVAILABILITY" shall mean, as of any particular date
of determination, the amount by which Aggregate Revolving Credit Commitments
exceed Outstandings.  For purposes of calculating Revolving Credit Availability
as at any date, all Revolving Loans requested but not yet advanced, Competitive
Bid Loans accepted but not yet advanced and Letters of Credit requested but not
yet issued will be treated as advanced in calculating Outstandings unless the
Borrower has directed that the requested advance be disbursed to repay the Loans
or to reimburse an Issuing Bank for drawings against outstanding Letters of
Credit.

          "REVOLVING CREDIT COMMITMENT" shall mean, with respect to each Lender,
the commitment of such Lender to make Revolving Loans, which Revolving Credit
Commitments as of the Closing Date are set forth in SCHEDULE 2.01, as the same
may be reduced from time to time pursuant to SECTION 2.11 or modified from time
to time pursuant to SECTION 9.04.

          "REVOLVING LOAN BORROWING" shall mean a group of Revolving Loans of
the same Type made by the Lenders on a single date and as to which a single
Interest Period is in effect.

          "REVOLVING LOAN NOTE" shall have the meaning given to such term in
SECTION 2.05.

          "REVOLVING LOANS" shall mean the revolving loans made by the Lenders
to the Borrower pursuant to SECTION 2.02.  Each Revolving Loan shall be a
Eurodollar Loan or an ABR Loan.

          "SALE AND LEASE-BACK TRANSACTION" shall have the meaning given to such
term in SECTION 6.06.

          "SECURITIES" shall mean any stock, shares, voting trust certificates,
bonds, debentures, notes or other evidences of Debt, secured or unsecured,
convertible, subordinated or otherwise, or in general any instruments commonly
known as "securities," or any certificates of interest, shares, or
participations in temporary or interim certificates for the purchase or
acquisition of, or any right to subscribe to, purchase or acquire any of the
foregoing, but shall not include any evidence of the Obligations.

          "SECURITIES ACT" shall mean the Securities Act of 1933, as amended to
the date hereof and from time to time hereafter, and any successor statute.

          "SECURITIES EXCHANGE ACT" shall mean the Securities Exchange Act of
1934, as amended to the date hereof and from time to time hereafter, and any
successor statute.

          "SENIOR SECURED CREDITORS" shall mean, collectively, the Agent, the
Lenders, the Issuing Banks and any trustee with respect to the "Public Debt" and
the "Public Lenders" (as such terms are defined in the Collateral Trust
Agreement).

          "S&P" shall mean Standard & Poor's Ratings Group, and any successor
thereof.

          "SPREAD" shall mean, as to any Competitive Bid Loan bearing interest
at a rate based upon the LIBO Rate, the margin (expressed as a percentage rate
per annum in the form of a decimal to no more than four decimal places) to be
added to or subtracted from the LIBO Rate in order to determine the interest
rate applicable to such Competitive Bid Loan, as specified in the Competitive
Bid relating to such Competitive Bid Loan.


                                      -16-
<PAGE>

          "SUBSIDIARY" of a Person shall mean any corporation, partnership
(limited or general), trust or other entity of which a majority of the stock (or
equivalent ownership or controlling interest) having voting power to elect a
majority of the Board of Directors (if a corporation) or to select the trustee
or equivalent controlling interest, shall, at the time such reference becomes
operative, be directly or indirectly owned or controlled by such Person or one
or more of the other subsidiaries of such Person or any combination thereof.
Except as otherwise provided herein, all references herein to "Subsidiary" shall
mean a Subsidiary of the Borrower.

          "TERMINATION DATE" shall mean the earlier of (a) the Maturity Date and
(b) the date of termination of the Commitments pursuant to ARTICLE VII or the
reduction of the Revolving Credit Commitments to zero pursuant to SECTION 2.11.

          "TERMINATION EVENT" shall mean (i) any Reportable Event with respect
to any Benefit Plan, (ii) the withdrawal of the Borrower, or an ERISA Affiliate
from a Benefit Plan during a plan year in which it was a "substantial employer"
as defined in Section 4001(a)(2) of ERISA, (iii) the occurrence of an obligation
arising under Section 4041 of ERISA of either the Borrower or an ERISA Affiliate
to provide affected parties with a written notice of an intent to terminate a
Benefit Plan in a distress termination described in Section 4041(c) of ERISA,
(iv) the institution by the PBGC of proceedings to terminate any Benefit Plan,
(v) any event or condition which constitutes grounds under Section 4042 of ERISA
for the appointment of a Trustee to administer a Benefit Plan, or (vi) the
partial or complete withdrawal (within the meaning of Section 4203 and 4205,
respectively, of ERISA) of the Borrower or any ERISA Affiliate from a
Multiemployer Plan.

          "THIRD PARTY CLAIM" shall have the meaning given to such term in
SECTION 9.05(b).

          "TRANSFEREE" shall have the meaning given to such term in
SECTION 2.22(a).

          "TRUSTEE'S FEES" shall mean all fees, costs and expenses of the
Collateral Trustee of the types described in Sections 5.3, 5.4, 5.5 and 5.6 of
the Collateral Trust Agreement.

          "TYPE" when used in respect of any Loan or Borrowing, shall refer to
the interest rate (i.e. the LIBO Rate, the Alternate Base Rate, or a fixed rate)
by reference to which interest on such Loan or portion thereof or on the Loans
comprising such Borrowing is determined.

          SECTION 1.02. TERMS GENERALLY.  The definitions in SECTION 1.01 shall
apply equally to both the singular and plural forms of the terms defined.
Whenever the context may require, any pronoun shall include the corresponding
masculine, feminine and neuter forms.  The words "include", "includes" and
"including" shall be deemed to be followed by the phrase "without limitation".
All references herein to Articles, Sections, Exhibits and Schedules shall be
deemed references to Articles and Sections of, and Exhibits and Schedules to,
this Agreement unless the context shall otherwise require.  Except as otherwise
expressly provided herein, all terms of an accounting or financial nature shall
be construed in accordance with GAAP, as in effect from time to time; PROVIDED,
HOWEVER, that if there are any changes in GAAP from those in effect on and as of
the Closing Date, which changes are adopted by the Borrower with the agreement
of its independent certified public accountants and such changes result in a
change in the method of calculation of any of the financial covenants contained
SECTION 6.09, the parties hereto agree to enter into negotiations in order to
amend such provisions so as to equitably reflect such changes with the desired
result that the criteria for evaluating the Borrower's financial condition shall
be the same after such changes as if such changes had not been made; PROVIDED,
HOWEVER, that no change in GAAP that would affect the method of calculation of
any of the


                                      -17-
<PAGE>

financial covenants, standards or terms shall be given effect in such
calculations until such provisions are amended to so reflect such change in
accounting principles in a manner satisfactory to the Requisite Lenders.  In
making any calculation required by this Agreement, for the purpose of
determining the net income or deficit or item of expense of or for any
Subsidiary of the Borrower, notwithstanding any reference herein to any period,
the income, deficit or expense included in such calculation with respect to such
Subsidiary shall be included only from the date such Person became a Subsidiary
of the Borrower.

                            ARTICLE II.  THE FACILITY

          SECTION 2.01. THE REVOLVING CREDIT FACILITY.
          (a)  Subject to the terms and conditions set forth in this Agreement,
each Lender hereby severally and not jointly agrees to make Revolving Loans, in
dollars, to the Borrower from time to time during the period from the Closing
Date to the Business Day immediately preceding the Termination Date, in an
amount which shall not exceed the product of such Lender's Pro Rata Share and
the Revolving Credit Availability at such time.  The Revolving Credit Commitment
of each Lender as of the Closing Date is set forth on SCHEDULE 2.01.  Subject
to, and upon the satisfaction of, the terms and conditions herein set forth,
each Lender severally agrees that the Borrower may incur a Competitive Bid Loan
or Competitive Bid Loans pursuant to a Competitive Bid Borrowing from time to
time during the period from the Closing Date to the Business Day immediately
preceding the Termination Date, provided that such Competitive Bid Borrowing
shall not exceed the Revolving Credit Availability at such time.

          (b)  The Borrower shall not use the proceeds of the Loans for any
purpose other than for general corporate purposes, including, without
limitation, the refinancing of the indebtedness under the Existing Credit
Agreement on the Closing Date.

          SECTION 2.02.  REVOLVING LOANS. (a) All Revolving Loans comprising the
same Borrowing under this Agreement shall be made by the Lenders simultaneously
and proportionately to their respective Pro Rata Shares, it being understood
that no Lender shall be responsible for any failure by any other Lender to
perform its obligation to make a Revolving Loan hereunder and that the Revolving
Credit Commitment of any Lender shall not be increased or decreased without the
prior written consent of such Lender as a result of the failure by any other
Lender to perform its obligation to make a Revolving Loan.  The failure of any
Lender to make available to the Agent its Pro Rata Share of any Borrowing shall
not relieve any other Lender of its obligation hereunder to make available to
the Agent such other Lender's Pro Rata Share of such Borrowing on the date such
funds are to be made available pursuant to the terms of this Agreement.

          (b)  Each Revolving Loan Borrowing shall be in a minimum principal
amount of $5,000,000 and in multiples of $1,000,000 in excess thereof or in an
aggregate principal amount equal to the Revolving Credit Availability.  Each
Revolving Loan Borrowing shall be comprised entirely of ABR Loans or Eurodollar
Loans, as the Borrower may request pursuant to SECTION 2.03.  Each Lender may at
its option fulfill its commitment with respect to any Eurodollar Loan by causing
any domestic or foreign branch or Affiliate of such Lender to make such
Eurodollar Loan; PROVIDED that any exercise of such option shall not affect the
obligation of the Borrower to repay such Eurodollar Loan in accordance with the
terms of this Agreement, and PROVIDED, FURTHER, that the Borrower shall not be
responsible for any costs or expenses associated with such Lender's exercise of
such option.  Borrowings of more than one Type may be outstanding at the same
time; PROVIDED, HOWEVER, that the Borrower shall not be entitled to request any
Borrowing which, if made, would result in an aggregate of more than ten separate
Borrowings of Revolving Loans which are Eurodollar Loans being outstanding
hereunder at any one time.


                                      -18-
<PAGE>

          (c)  Subject to PARAGRAPH (e) below, each Lender shall make a
Revolving Loan in the amount of its Pro Rata Share of the amount of each
Revolving Loan Borrowing hereunder on the proposed date thereof by wire transfer
of immediately available funds to the Agent in New York, New York, not later
than 11:00 a.m., New York City time, and the Agent shall, promptly upon receipt
of such amounts but in any event not later than 2:00 p.m. on the same Business
Day, New York City time, credit the amounts so received to the general deposit
account of the Borrower with the Agent or, if a Revolving Loan Borrowing shall
not occur on such date because any condition precedent herein specified shall
not have been met, return the amounts so received to the respective Lenders.
Unless the Agent shall have received notice from a Lender prior to the date of
any Revolving Loan Borrowing that such Lender will not make available to the
Agent such Lender's portion of such Borrowing, the Agent may assume that such
Lender has made such portion available to the Agent on the date of such
Borrowing in accordance with this PARAGRAPH (c) and the Agent may, in reliance
upon such assumption, make available to the Borrower on such date a
corresponding amount.  If and to the extent that such Lender shall not have made
such portion available to the Agent, such Lender and the Borrower severally
agree to repay to the Agent forthwith on demand such corresponding amount
together with interest thereon, for each day from the date such amount is made
available to the Borrower until the date such amount is repaid to the Agent at
(i) in the case of the Borrower, the interest rate applicable at the time to the
Revolving Loans comprising such Borrowing and (ii) in the case of such Lender,
the Federal Funds Effective Rate.  If such Lender shall repay to the Agent such
corresponding amount, such amount shall constitute such Lender's Revolving Loan
as part of such Borrowing for purposes of this Agreement.

          (d)  Notwithstanding any other provision of this Agreement, the
Borrower shall not be entitled to request any Revolving Loan Borrowing if the
Interest Period requested with respect thereto would end after the Maturity
Date.

          (e)  The Borrower may refinance all or any part of any Revolving Loan
Borrowing with a Borrowing of the same or a different Type, subject to the
conditions and limitations set forth in this Agreement.  Any Borrowing or part
thereof so refinanced shall be deemed to be repaid or prepaid in accordance with
SECTION 2.06 or 2.13, as applicable, with the proceeds of a new Borrowing, and
the proceeds of the new Borrowing, to the extent they do not exceed the
principal amount of the Borrowing being refinanced, shall not be paid by the
Lenders to the Agent or by the Agent to the Borrower pursuant to PARAGRAPH (c)
above.

          SECTION 2.03.  NOTICE OF BORROWINGS OF REVOLVING LOANS. The Borrower
shall give the Agent written or telecopy notice (or telephone notice promptly
confirmed in writing or by telecopy) (a) in the case of a Eurodollar Borrowing
consisting of Revolving Loans, not later than 12:00 (noon), New York City time,
three Business Days before a proposed Borrowing and (b) in the case of an ABR
Borrowing consisting of Revolving Loans, not later than 12:00 (noon), New York
City time, one Business Day before a proposed Borrowing.  Each such notice shall
be in substantially the form of EXHIBIT D.  Such notice shall be irrevocable
(except as expressly set forth herein) and shall in each case refer to this
Agreement and specify (i) whether the Revolving Loan Borrowing then being
requested is to be a Eurodollar Borrowing or an ABR Borrowing; (ii) the date of
such Borrowing (which shall be a Business Day) and the amount thereof; and (iii)
if such Borrowing is to be a Eurodollar Borrowing, the Interest Period with
respect thereto.  If no election as to the Type of Borrowing is specified in any
such notice, then the requested Borrowing shall be an ABR Borrowing.  If no
Interest Period with respect to any Eurodollar Borrowing is specified in any
such notice, then the Borrower shall be deemed to have selected an Interest
Period of one month's duration.  If the Borrower shall not have given notice in
accordance with this SECTION 2.03 of its election to refinance a Revolving Loan
Borrowing prior to the end of the Interest Period in effect for such Borrowing,
then the Borrower shall


                                      -19-
<PAGE>

(unless such Borrowing is repaid at the end of such Interest Period) be deemed
to have given notice of an election to refinance such Borrowing with an ABR
Borrowing.  The Agent shall promptly advise the Lenders of any notice given
pursuant to this SECTION 2.03 and of each such Lender's portion of the requested
Borrowing.

          SECTION 2.04.  COMPETITIVE BID PROCEDURES.  (a)  Whenever the Borrower
desires to solicit Competitive Bids,  it shall give the Agent at least one
Business Day's prior written notice with respect to each proposed Competitive
Bid Borrowing of Fixed Rate Loans and at least four Business Days' prior written
notice of each proposed Competitive Bid Borrowing of Eurodollar Loans to be made
hereunder; PROVIDED, that any such notice shall be deemed to have been given on
a certain day only if given before 12:00 noon (New York City time) on such day.
Each such notice (a "NOTICE OF COMPETITIVE BID BORROWING") shall be in the form
of EXHIBIT E and shall be appropriately completed by the Borrower to specify
(i) the aggregate principal amount of the proposed Competitive Bid Loans to be
made pursuant to such Borrowing (which shall be in a minimum principal amount of
$10,000,000 and in integral multiples of $1,000,000 in excess thereof), (ii) the
date of such Borrowing (which shall be a Business Day) and (iii) whether the
Competitive Bid Loans proposed to be made pursuant to such Borrowing are to be
Fixed Rate Loans or Eurodollar Loans and (iv) the Interest Period relating
thereto.  The maturity date for repayment of each Competitive Bid Loan to be
made as part of such Competitive Bid Borrowing shall be the earlier of (x) the
last day of the Interest Period relating thereto and (y) the Termination Date.
The Agent, in its sole discretion, may reject a Notice of Competitive Bid
Borrowing that does not conform substantially to the format of EXHIBIT E, and
the Agent shall promptly notify the Borrower of such rejection.  The Agent shall
promptly (but in any event on the same Business Day on which such notice was
tendered) notify each Lender of each such request for a Competitive Bid
Borrowing that it has received from the Borrower and has not rejected by
telecopying such Lender a notice in the form of EXHIBIT F (a "NOTICE OF
COMPETITIVE BID REQUEST").

          (b)  Each Lender (or any branch, office or Affiliate of such Lender on
behalf of such Lender as such Lender may designate by written notice to the
Agent) may, in its sole discretion, make one or more Competitive Bids to the
Borrower via telecopier to the Agent in response to a Notice of Competitive Bid
Request.  Each Competitive Bid by or on behalf of a Lender must be received by
the Agent via telecopier, in the form of EXHIBIT G, (i) in the case of a
proposed Competitive Bid Borrowing of Eurodollar Loans, not later than 10:00
a.m., New York City time, three Business Days before a proposed Competitive Bid
Borrowing and (ii) in the case of a proposed Competitive Bid Borrowing of Fixed
Rate Loans, not later than 10:00 a.m., New York City time, on the day of a
proposed Competitive Bid Borrowing.  Any Lender may submit more than one
Competitive Bid in response to any Competitive Bid Request.  Competitive Bids
that do not conform substantially to the format of EXHIBIT G may be rejected by
the Agent after conferring with, and upon the instruction of, the Borrower, and
the Agent shall notify the Lender making such nonconforming Competitive Bid, or
the Lender on behalf of which such nonconforming Competitive Bid has been made,
of such rejection as soon as practicable.  Each Competitive Bid shall refer to
this Agreement and shall specify (x) the principal amount (which shall be in a
minimum principal amount of $5,000,000 and in a integral multiple of $1,000,000
in excess thereof and which may equal the entire principal amount of the
Competitive Bid Borrowing requested by the Borrower) of each Competitive Bid
Loan that the applicable Lender is willing to make to the Borrower, (y) with
respect to each requested Fixed Rate Loan, the Competitive Bid Rate, or with
respect to each requested Eurodollar Loan, the Spread, at which such Lender is
prepared to make such Competitive Bid Loan and (z) the Interest Period (which
shall be the Interest Period set forth in the applicable Competitive Bid
Request) and the last day thereof.  If any Lender shall elect not to make a
Competitive Bid, such Lender shall so notify the Agent via telecopier (I) in the
case of Eurodollar Loans, not later than 10:00 a.m., New York City time, three
Business Days before a


                                      -20-
<PAGE>

proposed Competitive Bid Borrowing, and (II) in the case of Fixed Rate Loans,
not later than 10:00 a.m., New York City time, on the day of a proposed
Competitive Bid Borrowing; PROVIDED, HOWEVER, that any Lender's failure to give
such notice shall not cause such Lender to be obligated to make any Competitive
Bid Loan as part of such Competitive Bid Borrowing.  A Competitive Bid submitted
by or on behalf of a Lender pursuant to this SECTION 2.04 shall be irrevocable.

          (c)  The Agent shall promptly notify the Borrower by telephone and
telecopier of all the Competitive Bids made, the Competitive Bid Rate and the
principal amount of each Competitive Bid Loan in respect of which a Competitive
Bid was made and the identity of the Lender that made each Competitive Bid.  The
Agent shall send a copy of all Competitive Bids to the Borrower for its records
as soon as practicable (but in any event within one Business Day) after
completion of the bidding process set forth in this SECTION 2.04.

          (d)  The Borrower may in its sole and absolute discretion, subject
only to the provisions of this SECTION 2.04, accept or reject any Competitive
Bid referred to in SECTION 2.04(b).  The Borrower shall notify the Agent by
telephone, confirmed by telecopier in the form of a Competitive Bid Accept/
Reject Letter, whether and to what extent it has decided to accept or reject any
of or all the Competitive Bids referred to in SECTION 2.04(b), (x) in the case
of a Competitive Bid Borrowing of Eurodollar Loans, not later than 11:00 a.m.,
New York City time, three Business Days before a proposed Competitive Bid
Borrowing, and (y) in the case of a Borrowing of Fixed Rate Loans, not later
than 11:00 a.m., New York City time, on the day of a proposed Competitive Bid
Borrowing; PROVIDED, HOWEVER, that (i) the Borrower's failure to give such
notice shall be deemed to be a rejection of all the Competitive Bids referred to
in SECTION 2.04(b), (ii) the Borrower shall not accept a Competitive Bid made at
a particular Competitive Bid Rate if the Borrower has decided to reject a
Competitive Bid made at a lower Competitive Bid Rate, (iii) the aggregate amount
of the Competitive Bids accepted by the Borrower shall not exceed the principal
amount specified in the Notice of Competitive Bid Borrowing, (iv) if the
Borrower shall accept a Competitive Bid or Competitive Bids made at a particular
Competitive Bid Rate but the amount of such Competitive Bid or Competitive Bids
shall cause the total amount of Competitive Bids to be accepted by the Borrower
to exceed the amount specified in the Notice of Competitive Bid Borrowing, then
the Borrower shall accept a portion of such Competitive Bid or Competitive Bids
in an amount equal to the amount specified in the Competitive Bids accepted with
respect to such Notice of Competitive Bid Borrowing, which acceptance, in the
case of multiple Competitive Bids at the highest Competitive Bid Rate accepted
by the Borrower, shall be made pro rata in accordance with the amount of each
such Competitive Bid at such Competitive Bid Rate, and (v) except pursuant to
CLAUSE (iv) above, no Competitive Bid shall be accepted for a Competitive Bid
Loan unless such Competitive Bid Loan is in a minimum principal amount of
$5,000,000 or an integral multiple of $1,000,000 in excess thereof; PROVIDED
FURTHER, however, that if a Competitive Bid Loan must be in an amount less than
$5,000,000 because of the provisions of CLAUSE (iv) above, such Competitive Bid
Loan may be for a minimum of $1,000,000 or any integral multiple thereof, and in
calculating the pro rata allocation of acceptances of portions of multiple
Competitive Bids at a particular Competitive Bid Rate pursuant to CLAUSE (iv)
the amounts shall be rounded to integral multiples of $1,000,000 in a manner
which shall be in the discretion of the Borrower.  A notice given by the
Borrower pursuant to this SECTION 2.04 shall be irrevocable.

          (e)  The Agent shall promptly notify each Lender that submitted a
Competitive Bid, or on behalf of which a Competitive Bid was submitted, as the
case may be, whether or not such Competitive Bid has been accepted (and if so,
in what amount and at what Competitive Bid Rate) by telecopy.  Upon the
Borrower's acceptance of any Competitive Bid, the Lender that made such
Competitive Bid, or the Lender on behalf of which such Competitive Bid was made,
as the case may be, will thereupon become bound, subject to the other


                                      -21-
<PAGE>

applicable conditions hereof, to make the Competitive Bid Loan in respect of
which such Competitive Bid has been accepted.

          (f)  If the Agent shall elect to submit a Competitive Bid in its
capacity as a Lender, it shall submit such Competitive Bid directly to the
Borrower one quarter of an hour earlier than the latest time at which the other
Lenders are required to submit their Competitive Bids to the Agent pursuant to
SECTION 2.04(b).

          SECTION 2.05.  NOTES.  (a)  The Borrower shall execute and deliver to
each Lender (or to the Agent on behalf of each Lender) on or before the Closing
Date a promissory note substantially in the form of EXHIBIT H-1 (each a
"REVOLVING LOAN NOTE" and collectively, the "REVOLVING LOAN NOTES") to evidence
the aggregate amount of that Lender's Revolving Loans and with other appropriate
insertions.  Each Revolving Loan Note shall be dated the Closing Date and shall
be stated to mature on the Termination Date.  The Revolving Loan Note executed
in favor of any Lender shall be in a principal amount equal to such Lender's
Revolving Credit Commitment.

          (b)  The Borrower's obligation to pay the principal of and interest on
all Competitive Bid Loans made to it by a Lender shall be evidenced by its
promissory note substantially in the form of EXHIBIT H-2 (each a "COMPETITIVE
BID NOTE" and collectively, the "COMPETITIVE BID NOTES").  Each Competitive Bid
Note issued to each Lender (i) shall be payable to the order of such Lender and
be dated the Closing Date, (ii) shall be in a stated principal amount equal to
the Aggregate Revolving Credit Commitments and be payable in the outstanding
principal amount of Competitive Bid Loans owing to such Lender evidenced thereby
from time to time, (iii) shall mature with respect to each Competitive Bid Loan
evidenced thereby on the earlier of (x) the last day of the Interest Period
applicable thereto and (y) the Termination Date, (iv) shall bear interest as
provided in SECTION 2.08 in respect of Fixed Rate Loans or Eurodollar Loans, as
the case may be, evidenced thereby and (v) shall be entitled to the benefits of
this Agreement and the other Loan Documents.

          (c)  Each Lender is hereby authorized to, and prior to any transfer of
any Note issued to it, each Lender shall, endorse the date and amount of each
Loan made by such Lender and each payment or prepayment of principal of the
Loans evidenced thereby on the schedule annexed to and constituting a part of
such Note, which endorsement shall constitute PRIMA FACIE evidence, absent
manifest error, of the accuracy of the information so endorsed; provided that
failure by any such Lender to make such endorsement shall not affect the
obligations of the Borrower hereunder or under such Note.  In lieu of endorsing
such schedule as hereinabove provided, prior to any transfer of such Note, each
Lender is hereby authorized, at its option, to record such Loans and such
payments or prepayments in its books and records, such books and records
constituting PRIMA FACIE evidence, absent manifest error, of the accuracy of the
information contained therein.

          SECTION 2.06.  REPAYMENT OF LOANS.  (a)  The Borrower agrees to pay
the outstanding principal balance of each Revolving Loan on the Termination Date
and each Competitive Bid Loan as provided in SECTION 2.04(a).  Each Loan shall
bear interest from the date of the Borrowing of which such Loan is a part on the
outstanding principal balance thereof as set forth in SECTION 2.08.

          (b)  Each Lender shall, and is hereby authorized by the Borrower to,
maintain in accordance with its usual practices records evidencing the
indebtedness of the Borrower to such Lender hereunder from time to time,
including the amounts and Types of and Interest Periods applicable to the Loans
made by such Lender from time to time and the amounts of principal and interest
paid to such Lender from time to time in respect of such Loans.


                                      -22-
<PAGE>

          (c)  The entries made in the records maintained pursuant to
PARAGRAPH (b) of this SECTION 2.06 and in the Register maintained by the Agent
pursuant to SECTION 9.04 shall be PRIMA FACIE evidence of the existence and
amounts of the Borrower's obligations to which such entries relate; PROVIDED,
HOWEVER, that the failure of any Lender or the Agent to maintain or to make any
entry in such records or the Register, as applicable, or any error therein,
shall not in any manner affect the Borrower's obligation to repay the Loans in
accordance with the terms of this Agreement.

          SECTION 2.07. FEES.  (a)  The Borrower agrees to pay to the Lenders,
through the Agent, on the last day of March, June, September and December in
each year and on the date on which the last of the Commitments shall expire or
be terminated as provided herein, a commitment fee (a "COMMITMENT FEE") accruing
at an annual rate equal to the Applicable Commitment Fee on the average daily
excess of the Aggregate Revolving Credit Commitments over the sum of (i) the
aggregate outstanding principal balance of all Revolving Loans and (ii) the LC
Exposure.  The Commitment Fee shall be payable to the Lenders pro rata in
arrears from the Closing Date until the date on which the last of the Revolving
Credit Commitments of such Lenders shall expire or be terminated as provided
herein.  All Commitment Fees shall be computed on the basis of the actual number
of days elapsed in a year of 360 days.

          (b)  The Borrower agrees to pay to each Lender, through the Agent, on
the last day of March, June, September and December in each year, and on the
date on which the LC Commitment of such Lender shall have been terminated or
reduced to zero as provided herein and all Letters of Credit issued pursuant to
such LC Commitment shall have expired, a letter of credit fee (an "LC FEE")
equal to the Applicable Eurodollar Margin on the average daily undrawn face
amount of all outstanding Letters of Credit, payable to the Lenders pro rata in
arrears.  All LC Fees shall be computed on the basis of the actual number of
days elapsed in a year of 360 days, as the case may be.

          (c)  The Borrower agrees to pay to each Issuing Bank, for its own
account, the applicable Issuing Bank Fees.

          (d)  All Fees shall be paid on the dates due in immediately available
funds.  All Fees, other than the Issuing Bank Fees, shall be paid to the Agent
for distribution, if and as appropriate, among the Lenders and to the Issuing
Banks.  Once paid, none of the Fees shall be refundable under any circumstances,
except in the case of overpayment, inadvertent or otherwise.

          SECTION 2.08.  INTEREST ON LOANS.  (a)  Subject to the provisions of
SECTION 2.09, the Revolving Loans comprising each ABR Borrowing shall bear
interest (computed on the basis of the actual number of days elapsed over a year
of 365 or 366 days, as the case may be, when determined by reference to the
Prime Rate and over a year of 360 days at all other times) at a rate per annum
equal to the Alternate Base Rate.

          (b)  Subject to the provisions of SECTION 2.09, the Revolving Loans
comprising each Eurodollar Borrowing shall bear interest (computed on the basis
of the actual number of days elapsed over a year of 360 days) at a rate per
annum equal to the LIBO Rate in effect for such Borrowing plus the Applicable
Eurodollar Margin.

          (c)  Subject to the provisions of SECTION 2.09, each Fixed Rate Loan
shall bear interest (computed on the basis of the actual number of days elapsed
over a year of 360 days) at the rate offered by the Lender making such Loan and
accepted by the Borrower pursuant to SECTION 2.04(d).

          (d)  Subject to the provisions of SECTION 2.09, each Eurodollar Loan
comprising any Competitive Bid Borrowing shall bear interest (computed on the
basis of the actual number of days elapsed over a year of 360 days) at the LIBO
Rate plus the applicable Spread offered by the Lender making such Loan and
accepted by the Borrower pursuant to SECTION 2.04(d) above.


                                      -23-
<PAGE>


          (e)  Interest on each Loan shall be payable on the Interest Payment
Dates applicable to such Loan except as otherwise provided in this Agreement.
The applicable Alternate Base Rate or LIBO Rate for each Interest Period or day
within an Interest Period, as the case may be, shall be determined by the Agent,
and such determination shall be conclusive absent manifest error.

          SECTION 2.09.  DEFAULT INTEREST.  If the Borrower shall default in the
payment of the principal of or interest on any Loan or any other amount becoming
due hereunder, by acceleration or otherwise, the Borrower shall on demand from
time to time pay interest, to the extent permitted by law, on such defaulted
amount up to (but not including) the date of actual payment (after as well as
before judgment) at a rate per annum (computed on the basis of the actual number
of days elapsed over a year of 365 or 366 days, as the case may be, in the case
of amounts bearing interest computed by reference to the Prime Rate and a year
of 360 days in all other cases) equal to (a) in the case of any Loan, the rate
applicable to such Loan under SECTION 2.08 plus 2% per annum and (b) in the case
of any other amount, the rate that would at the time be applicable to an ABR
Loan under SECTION 2.08 plus 2% per annum.

          SECTION 2.10.  ALTERNATE RATE OF INTEREST.  In the event, and on each
occasion, that on the day two Business Days prior to the commencement of any
Interest Period for any Borrowing constituting Eurodollar Loans, the Agent shall
have determined that dollar deposits in the principal amounts of Loans
constituting such Eurodollar Loans are not generally available in the London
interbank market, or that the rates at which such dollar deposits are being
offered will not adequately and fairly reflect the cost to any Lender of making
or maintaining its Eurodollar Loan during such Interest Period, or that
reasonable means do not exist for ascertaining the LIBO Rate, the Agent shall,
as soon as practicable thereafter, give written or telecopy notice of such
determination to the Borrower and the Lenders.  In the event of any such
determination, any request by the Borrower for Eurodollar Loans pursuant to
SECTION 2.03 or 2.12 shall, until the Agent shall have advised the Borrower and
the Lenders that the circumstances giving rise to such notice no longer exist,
be deemed to be a request for ABR Loans; PROVIDED, HOWEVER, that the Borrower
may revoke any such deemed request for ABR Loans by providing written or
telecopy notice to the Agent no later than the end of the Business Day before
the day such ABR Loans are to be made.  Each determination by the Agent
hereunder shall be conclusive absent manifest error.

          SECTION 2.11.  REDUCTION OR CANCELLATION OF COMMITMENTS.  (a)  The
Revolving Credit Commitments and the LC Commitments shall be automatically
terminated on the Maturity Date.

          (b)  If the Debt/EBITDA Ratio exceeds 2.5 to 1.0 as of the fiscal
quarter ended June 30, 2000, the Revolving Credit Commitments shall be
permanently reduced (i) by $50,000,000 effective upon the date the financial
statements for such quarter are delivered to the Agent (or, if such financial
statements are not delivered within five days following the due date therefor,
the Debt/EBITDA Ratio shall be deemed for purposes of this PARAGRAPH (b) to
exceed 2.5 to 1.0 for such quarter, and such reduction to the Revolving Credit
Commitments shall be effective as of such fifth day following the date such
financial statements were due) and (ii) by an additional $50,000,000 effective
one year following the date of such initial reduction.

          (c)  Upon at least ten days prior irrevocable written or telecopy
notice to the Agent, which shall promptly notify the Lenders, the Borrower may
at any time and from time to time permanently reduce all or a portion of the
Aggregate Revolving Credit Commitments; PROVIDED, that any partial reduction of
the Aggregate Revolving Credit Commitments shall be in minimum amounts of
$10,000,000 and in $1,000,000 increments in excess thereof.


                                      -24-
<PAGE>

          (d)  Each reduction in the Revolving Credit Commitments hereunder
shall be made ratably among the Lenders in accordance with their respective Pro
Rata Shares.

          (e)  If at any time the Aggregate Revolving Credit Commitments are
reduced below the Aggregate LC Commitments, then the Aggregate LC Commitments
will be automatically and immediately reduced to the amount of the Aggregate
Revolving Credit Commitments.

          SECTION 2.12.  CONVERSION AND CONTINUATION OF BORROWINGS OF REVOLVING
LOANS.  The Borrower shall have the right, with respect to any Revolving Loan
Borrowing, at any time upon prior irrevocable notice to the Agent (i) not later
than 12:00 (noon), New York City time, one Business Day prior to conversion, to
convert any Eurodollar Borrowing into an ABR Borrowing, (ii) not later than
12:00 noon, New York City time, three Business Days prior to conversion or
continuation, to convert any ABR Borrowing into a Eurodollar Borrowing or to
continue any Eurodollar Borrowing as a Eurodollar Borrowing at the end of the
Interest Period relating thereto for an additional Interest Period, and (iii)
not later than 12:00 noon, New York City time, three Business Days prior to
conversion, to convert the Interest Period with respect to any Eurodollar
Borrowing to another permissible Interest Period, subject in each case to the
following:

          (a)  each conversion or continuation shall be made pro rata among the
     Lenders in accordance with their respective Pro Rata Shares;

          (b)  if less than all the outstanding principal amount of any
     Revolving Loan Borrowing shall be converted or continued, the aggregate
     principal amount of such Borrowing converted or continued shall be an
     integral multiple of $1,000,000 (and not less than $5,000,000 in the case
     of a conversion into, or a continuation of, a Eurodollar Borrowing);

          (c)  each conversion shall be effected by each Lender by applying the
     proceeds of the new Revolving Loan of such Lender resulting from such
     conversion to the Revolving Loan (or portion thereof) of such Lender being
     converted;

          (d)  if any Eurodollar Borrowing (or the Interest Period with respect
     thereto) is converted at a time other than the end of the Interest Period
     applicable thereto, the Borrower shall pay, upon demand, any amounts due to
     the Lenders pursuant to SECTION 2.18;

          Each notice pursuant to this SECTION 2.12 shall be in substantially
the form of EXHIBIT I.  Such notice shall be irrevocable and shall refer to this
Agreement and specify (i) the identity and amount of the Revolving Loan
Borrowing that the Borrower requests be converted or continued, (ii) whether
such Borrowing is to be converted to or continued as a Eurodollar Borrowing or
an ABR Borrowing, (iii) if such notice requests a conversion, the date of such
conversion (which shall be a Business Day) and (iv) if such Borrowing is to be
converted to or continued as a Eurodollar Borrowing, the Interest Period with
respect thereto.  If no Interest Period is specified in any such notice with
respect to any conversion to or continuation as a Eurodollar Borrowing, the
Borrower shall be deemed to have selected an Interest Period of one month's
duration.  The Agent shall advise the other Lenders of any notice given pursuant
to this SECTION 2.12 and of each such Lender's portion of any converted or
continued Revolving Loan Borrowing.  If the Borrower shall not have given notice
in accordance with this SECTION 2.12 to continue any Revolving Loan Borrowing of
Eurodollar Loans into a subsequent Interest Period (and shall not otherwise have
given notice in accordance with this SECTION 2.12 to convert such Borrowing),
such Borrowing shall, at the end of the Interest Period applicable thereto
(unless repaid pursuant to the terms hereof), automatically be continued into a
new Interest Period as an ABR Borrowing.


                                      -25-
<PAGE>

          SECTION 2.13.  VOLUNTARY PREPAYMENTS.  (a)  The Borrower shall have
the right at any time and from time to time to prepay Revolving Loans, in whole
or in part, upon prior written or telecopy notice (or telephone notice promptly
confirmed by written or telecopy notice) to the Agent before 12:00 noon, New
York City time, (i) three Business Days prior to prepayment, in the case of
Eurodollar Loans; and (ii) one Business Day prior to prepayment, in the case of
ABR Loans; PROVIDED, HOWEVER, that each partial prepayment shall be in an amount
which is an integral multiple of $1,000,000.  Competitive Bid Borrowings may not
be prepaid unless so required pursuant to the terms hereof.

          (b)  Each notice of an optional prepayment shall specify the
prepayment date and the principal amount of Revolving Loans to be prepaid, shall
be irrevocable and shall commit the Borrower to prepay such Revolving Loans by
the amount stated therein on the date stated therein.  All optional prepayments
under this SECTION 2.13 shall be subject to SECTION 2.18 but otherwise without
premium or penalty.  All prepayments of Eurodollar Loans under this SECTION 2.13
shall be accompanied by accrued interest on the principal amount being prepaid
to the date of payment.

          SECTION 2.14.  MANDATORY PREPAYMENTS OF REVOLVING LOANS.  On the date
of any termination or reduction of the Revolving Credit Commitments pursuant to
SECTION 2.11, the Borrower shall pay or prepay so much of the Revolving Loans as
shall be necessary in order that (a) the sum of (i) the aggregate principal
amount of the Loans outstanding and (ii) the LC Exposure will not exceed (b) the
Aggregate Revolving Credit Commitments after giving effect to such termination
or reduction.  Any such prepayment shall be subject to the provisions of
SECTION 2.18.  All prepayments of Eurodollar Loans under this SECTION 2.14 shall
be accompanied by accrued interest on the principal amount being prepaid to the
date of payment.

          SECTION 2.15.  LETTERS OF CREDIT.  (a) Subject to the terms and
conditions and relying upon the representations and warranties herein set forth,
each Issuing Bank agrees, at any time and from time to time on or after the
Closing Date until the earlier of the Maturity Date and the termination of the
LC Commitments in accordance with the terms hereof, to issue and deliver or to
extend the expiry date of Letters of Credit for the account of the Borrower in
an aggregate undrawn amount at any one time outstanding which, together with the
aggregate undrawn amount at such time outstanding of Letters of Credit issued by
other Issuing Banks, does not exceed the Aggregate LC Commitments; PROVIDED,
HOWEVER, that no Issuing Bank shall issue or extend the expiry of any Letter of
Credit if, immediately after giving effect to such issuance or extension (i) the
aggregate LC Exposure at such time would exceed the Aggregate LC Commitments or
(ii) the sum of the aggregate outstanding principal balance of the Loans and the
LC Exposure would exceed the Aggregate Revolving Credit Commitments.  Each
Letter of Credit (x) shall be in a form approved in writing by the Borrower, the
Agent and the applicable Issuing Bank and (y) shall permit drawings upon the
presentation of one or more sight drafts and such other documents as shall be
specified by the Borrower in the applicable notice delivered pursuant to
PARAGRAPH (c) below.

          (b)  Each Letter of Credit shall by its terms expire not later than
the earlier of (i) the first anniversary of the date of issuance or the date of
the most recent extension (subject to extension for additional one-year periods
by the applicable Issuing Bank as contemplated by PARAGRAPH (a) above) and (ii)
the Maturity Date.  Each Letter of Credit shall by its terms provide for payment
of drawings in dollars.

          (c)  The Borrower shall give the applicable Issuing Bank irrevocable
written or telecopy notice not later than 12:00 noon, New York City time, three
Business Days (or such shorter period as shall be acceptable to such Issuing
Bank and the Agent) prior to any proposed issuance or proposed extension of the
expiry date of a Letter of Credit.  Each such notice shall refer to this
Agreement and shall specify (I) the date on which such Letter of Credit is to be
issued (which shall be a Business Day), the face amount of


                                      -26-
<PAGE>

such Letter of Credit (which shall be an amount in dollars), (ii) the name and
address of the beneficiary, (iii) whether such Letter of Credit shall permit a
single drawing or multiple drawings, (iv) the form of the sight draft and any
other documents required to be presented at the time of any drawing (together
with the exact wording of such documents or copies thereof) and (v) the expiry
date of such Letter of Credit (which shall conform to the provisions of
PARAGRAPH (b) above).  Each Issuing Bank shall give the Agent, which shall in
turn give to each other Issuing Bank and to each Lender, prompt written or
telecopy advice of any notice received from the Borrower pursuant to this
paragraph.

          (d)  By the issuance of a Letter of Credit and without any further
action on the part of the applicable Issuing Bank or the Lenders in respect of
such Letter of Credit, the applicable Issuing Bank hereby grants to each Lender,
and each Lender hereby agrees to and does acquire from such Issuing Bank, a
participation in such Letter of Credit equal to such Lender's Pro Rata Share of
the face amount of such Letter of Credit, effective upon the issuance of such
Letter of Credit; PROVIDED, HOWEVER, that no Lender shall be required to acquire
participations in Letters of Credit that would result in its Pro Rata Share of
the LC Exposure exceeding its LC Commitment.  In consideration and in
furtherance of the foregoing, each Lender hereby absolutely and unconditionally
agrees to pay to the Agent, on behalf of each Issuing Bank, in accordance with
PARAGRAPH (f) below, such Lender's Pro Rata Share of each unreimbursed LC
Disbursement made by such Issuing Bank; PROVIDED, HOWEVER, that the Lenders
shall not be obligated to make any such payment with respect to any wrongful
payment or disbursement made under any Letter of Credit as a result of the gross
negligence or willful misconduct of such Issuing Bank.

          (e)  Each Lender acknowledges and agrees that its acquisition of
participations pursuant to PARAGRAPH (d) above in respect of Letters of Credit
is absolute and unconditional and shall not be affected by any circumstance
whatsoever, including the occurrence and continuance of any Potential Event of
Default or Event of Default, and that each such payment shall be made without
any offset, abatement, withholding or reduction whatsoever.

          (f)  Promptly after it shall have ascertained that any draft and any
accompanying documents presented under a Letter of Credit appear to be in
conformity with the terms and conditions of such Letter of Credit, the
applicable Issuing Bank shall give written or telecopy notice to the Borrower
and the Agent of the receipt and amount of such draft and the date on which
payment thereon will be made.  If the Agent shall not have received from the
Borrower the payment required pursuant to PARAGRAPH (g) below by 12:00 noon, New
York City time, one Business Day after the date on which payment of a draft
presented under any Letter of Credit has been made, the Agent shall promptly so
notify the applicable Issuing Bank and each Lender, specifying in the notice to
each Lender its Pro Rata Share on the date of such notice, of such LC
Disbursement.  Each Lender shall pay to the Agent, not later than 2:00 p.m., New
York City time, on such date, such Lender's Pro Rata Share of such LC
Disbursement, which the Agent shall promptly pay to the applicable Issuing Bank.
Each such payment by a Lender pursuant to this PARAGRAPH (f) in respect of any
LC Disbursement shall be deemed to be a Revolving Loan made to the Borrower, and
all such Revolving Loans made in respect of any one LC Disbursement shall be
deemed to be a Revolving Loan Borrowing.  The Revolving Loans constituting such
Borrowing initially shall accrue interest at the Alternate Base Rate.  The
Borrower hereby irrevocably authorizes the Lenders to make such Revolving Loans
for the purpose of paying an Issuing Bank for any LC Disbursements which the
Borrower fails to pay (together with any interest on the LC Disbursement for the
period prior to the making of such Revolving Loans) and agrees that all such
Loans so made shall be deemed to have been requested by the Borrower.

          (g)  If an Issuing Bank shall pay any draft presented under a Letter
of Credit under circumstances entitling it to reimbursement under


                                      -27-
<PAGE>

succeeding provisions of this PARAGRAPH (g), the Borrower shall pay to such
Issuing Bank or to the Agent for the account of such Issuing Bank or, if the
Agent shall have received the payments provided in PARAGRAPH (f) above with
respect to such drawing, for the accounts of the Lenders, an amount equal to the
amount of such draft before 12:00 noon, New York City time, on the Business Day
immediately following the date of payment of such draft, together with interest
on such amount at a rate per annum equal to the interest rate in effect for ABR
Borrowings from (and including) the date of payment of such draft to (but
excluding) the date of such payment by the Borrower.  The obligation of the
Borrower to pay the amounts referred to above in this PARAGRAPH (g) shall be
absolute, unconditional and irrevocable and shall be satisfied strictly in
accordance with their terms irrespective of:

          (I)  any lack of validity or enforceability of any Letter of Credit;

          (ii)  the existence of any claim, setoff, defense or other right which
     the Borrower or any other Person may at any time have against the
     beneficiary under any Letter of Credit, the Agent, any Issuing Bank, any
     confirming bank or any Lender (other than the defense of payment in
     accordance with the terms of this Agreement or a defense based on gross
     negligence or willful misconduct of the applicable Issuing Bank or
     confirming bank) or any other Person in connection with this Agreement or
     any other transaction;

          (iii)  any draft or other document presented under a Letter of Credit
     proving to be forged, fraudulent or invalid in any respect or any statement
     therein being untrue or inaccurate in any respect; PROVIDED that payment by
     the applicable Issuing Bank or confirming bank under such Letter of Credit
     against presentation of such draft or document shall not have constituted
     gross negligence or willful misconduct by such Person;

          (iv)  payment by the applicable Issuing Bank under a Letter of Credit
     against presentation of a draft or other document which does not comply in
     any immaterial respect with the terms of such Letter of Credit; PROVIDED
     that such payment shall not have constituted gross negligence or willful
     misconduct; or

          (v)  any other circumstance or event whatsoever, whether or not
     similar to any of the foregoing; PROVIDED that such other circumstance or
     event shall not have been the result of gross negligence or willful
     misconduct of the applicable Issuing Bank.

          It is understood that in making any payment under a Letter of Credit
(x) the applicable Issuing Bank's exclusive reliance on the documents presented
to it under such Letter of Credit as to any and all matters set forth therein,
including, without limitation, reliance on the amount of any draft presented
under such Letter of Credit, whether or not the amount due to the beneficiary
equals the amount of such draft and whether or not any document presented
pursuant to such Letter of Credit proves to be forged, fraudulent or invalid in
any respect, if such document on its face appears to be in order, and whether or
not any other statement or any other document presented pursuant to such Letter
of Credit proves to be forged or invalid or any statement therein proves to be
inaccurate or untrue in any respect whatsoever, and (y) any noncompliance in any
immaterial respect of the documents presented under a Letter of Credit with the
terms thereof shall, in either case, not be deemed willful misconduct or gross
negligence of such Issuing Bank.

          (h)  TRANSITIONAL PROVISIONS.  SCHEDULE 2.15 contains a schedule of
certain letters of credit issued for the account of the Borrower or an Affiliate
thereof and outstanding as of the Closing Date by one or more of the Issuing
Banks (the "EXISTING FACILITY LETTERS OF CREDIT").  On the Closing


                                      -28-
<PAGE>

Date, (I) such Existing Facility Letters of Credit shall be deemed to be Letters
of Credit issued pursuant to and in compliance with this SECTION 2.15, (ii) the
face amount of such Existing Facility Letters of Credit shall be included in the
calculation of the available LC Commitment and the LC Exposure, (iii) the
provisions of this SECTION 2.15 shall apply thereto, and the Borrower and the
Lenders hereunder hereby expressly assume all obligations with respect to such
Letters of Credit and (iv) all liabilities of the Borrower with respect to such
Existing Facility Letters of Credit shall constitute Obligations.

          SECTION 2.16. ADDITIONAL INTEREST ON EURODOLLAR LOANS; RESERVE
REQUIREMENTS; CHANGE IN CIRCUMSTANCES.  (a) The Borrower shall pay to the Agent
for the account of each Lender, so long as such Lender shall be required under
regulations of the Board to maintain reserves with respect to liabilities or
assets consisting of or including "EUROCURRENCY LIABILITIES" (as such term is
defined in Regulation D), additional interest on the unpaid principal amount of
each Eurodollar Loan of such Lender, from the date of such Loan until such Loan
ceases to be a Eurodollar Loan, at an interest rate per annum equal to all times
to the remainder obtained by subtracting (I) the LIBO Rate for the Interest
Period for such Loan from (ii) the rate obtained by dividing such LIBO Rate by a
percentage equal to 100% minus the Eurodollar Rate Reserve Percentage of such
Lender for such Interest Period, payable on each date on which interest is
payable on such Loan.  Such additional interest shall be determined by such
Lender and notified to the Borrower through the Agent.  For purposes of this
Section, "EURODOLLAR RATE RESERVE PERCENTAGE" of any Lender for the Interest
Period for any Eurodollar Loan means the reserve percentage applicable during
such Interest Period and actually required to be maintained by such Lender as a
result of the funding of Eurodollar Loans made by such Lender to the Borrower
hereunder (or if more than one such percentage shall be so applicable, the daily
average of such percentages for those days in such Interest Period during which
any such percentage shall be so applicable) under regulations issued from time
to time by the Board (or any successor) for determining the maximum reserve
requirement (including, without limitation, any emergency, supplemental or other
marginal reserve requirement) for such Lender with respect to liabilities or
assets consisting of or including Eurocurrency Liabilities having a term equal
to such Interest Period.

          (b)  Notwithstanding any other provision herein, if after the Closing
Date any change in applicable law or regulation or in the interpretation or
administration thereof by any governmental authority charged with the
interpretation or administration thereof (whether or not having the force of
law) shall change the basis of taxation of payments to any Lender of the
principal of or interest on any of such Lender's Loans or any other amounts
payable hereunder (other than taxes imposed on the overall net income of such
Lender) or shall impose, modify or deem applicable any reserve, special deposit
or similar requirement against assets of, deposits with or for the account of,
or credit extended by, such Lender or shall impose on such Lender or the London
interbank market any other condition affecting this Agreement or such Lender's
Loans, and the result of any of the foregoing shall be to increase the cost to
such Lender of making or maintaining any Loan or to reduce the amount of any sum
received or receivable by such Lender hereunder (whether of principal, interest
or otherwise) in respect thereof by an amount deemed by such Lender to be
material, then such additional amount or amounts as will compensate such Lender
for such additional costs or reduction will be paid to such Lender by the
Borrower upon demand by such Lender.

          (c)  If any Lender or Issuing Bank shall have determined that the
applicability of any law, rule, regulation, agreement or guideline adopted
pursuant to or arising out of the July 1988 report of the Basle Committee on
Banking Regulations and Supervisory Practices entitled "International
Convergence of Capital Measurement and Capital Standards", or the adoption after
the date hereof of any other law, rule, regulation, agreement or guideline
regarding capital adequacy, or any change in any of the foregoing or


                                      -29-
<PAGE>

in the interpretation or administration of any of the foregoing by any
governmental authority, central bank or comparable agency charged with the
interpretation or administration thereof, or compliance by any Lender (or any
lending office of such Lender) or Issuing Bank or any Lender's or Issuing Bank's
holding company with any request or directive regarding capital adequacy
(whether or not having the force of law) of any such authority, central bank or
comparable agency, has had the effect of reducing the rate of return on such
Lender's or Issuing Bank's capital or on the capital of such Lender's or Issuing
Bank's holding company, if any, as a consequence of this Agreement or the Loans
made by such Lender or the Letters of Credit issued by such Issuing Bank
pursuant hereto (or the participations of the Lenders therein) to a level below
that which such Lender or Issuing Bank or such Lender's or Issuing Bank's
holding company could have achieved but for such applicability, adoption, change
or compliance (taking into consideration such Lender's or Issuing Bank's
policies and the policies of such Lender's or Issuing Bank's holding company
with respect to capital adequacy) by an amount deemed by such Lender or Issuing
Bank to be material, then from time to time the Borrower shall pay to such
Lender or Issuing Bank such additional amount or amounts as will compensate such
Lender or Issuing Bank or such Lender's or Issuing Bank's holding company on an
after-tax basis for any such reduction suffered.  Notwithstanding the foregoing,
no Lender shall be entitled to compensation under this SECTION 2.16 with respect
to any Competitive Bid Loan if it knew or should have known of the change giving
rise to such request and of the impact of such change on the cost of making such
Competitive Bid Loans at the time of submission of the Competitive Bid pursuant
to which such Competitive Bid Loan shall have been made.

          (d)  A certificate of each Lender or Issuing Bank setting forth such
amount or amounts as shall be necessary to compensate such Lender or Issuing
Bank or its holding company as specified in PARAGRAPH (a), (b) or (c) above, as
the case may be, shall be delivered to the Borrower, which certificate shall be
rebuttably presumptive evidence of such costs or reductions.  The Borrower shall
pay each such Lender, Issuing Bank and holding company the amount shown as due
on any such certificate delivered by it within 10 Business Days after the
Borrower's receipt of the same; PROVIDED, that the Borrower shall have no
obligation to pay such costs or reductions to the extent such costs or
reductions were incurred by any such Lender, Issuing Bank or holding company
more than ninety (90) days prior to the date of the certificate in which such
costs or reductions were set forth.

          (e)  Except as otherwise expressly provided in this paragraph, failure
on the part of any Lender or Issuing Bank to demand compensation for any
increased costs or reduction in amounts received or receivable or reduction in
return on capital with respect to any period shall not constitute a waiver of
such Lender's or Issuing Bank's right to demand compensation with respect to
such period or any other period.  The protection of this SECTION 2.16 shall be
available to each Lender and Issuing Bank regardless of any possible contention
of the invalidity or inapplicability of the law, rule, regulation, guideline or
other change or condition which shall have occurred or been imposed.  No Lender
or Issuing Bank shall be entitled to compensation under this SECTION 2.16 for
any costs incurred or reductions suffered with respect to any date unless it
shall have notified the Borrower that it will demand compensation for such costs
or reductions under PARAGRAPH (c) above not more than six months after the later
of (I) such date and (ii) the date on which it shall have become aware of such
costs or reductions.

          SECTION 2.17.  CHANGE IN LEGALITY.  (a) Notwithstanding any other
provision herein, if any change in any law or regulation or in the
interpretation thereof by any Governmental Authority charged with the
administration or interpretation thereof shall make it unlawful for any Lender
to make or maintain any Eurodollar Loan or to give effect to its obligations as
contemplated hereby with respect to any Eurodollar Loan, then, by written notice
to the Borrower and to the Agent, such Lender may:


                                      -30-
<PAGE>

          (I)   declare that Eurodollar Loans will not thereafter be made or
     maintained by such Lender hereunder, whereupon (y) any request by the
     Borrower for Eurodollar Loans shall, as to such Lender only, be deemed a
     request for an ABR Loan; and (z) any request by the Borrower to continue
     Eurodollar Loans or to convert into Eurodollar Loans shall, as to such
     Lender only, be deemed a request to convert into or continue as an ABR
     Loan; in either case unless such declaration shall be subsequently
     withdrawn; and

          (ii)  require that all outstanding Eurodollar Loans made by it be
     converted to ABR Loans, in which event all such Eurodollar Loans shall be
     automatically converted to ABR Loans as of the effective date of such
     notice as provided in PARAGRAPH (b) below.

In the event any Lender shall exercise its rights under (I) or (ii) above, all
payments and prepayments of principal which would otherwise have been applied to
repay the Eurodollar Loans that would have been made by such Lender or the
converted Eurodollar Loans of such Lender shall instead be applied to repay the
ABR Loans made by such Lender in lieu of, or resulting from the conversion of,
such Eurodollar Loans.  Notwithstanding the foregoing, no Lender shall be
entitled to compensation under this SECTION 2.17 with respect to any Competitive
Bid Loan and no Competitive Bid Loan shall be deemed converted to an ABR Loan if
such Lender knew or should have known of the change giving rise to such request
and of the impact of such change on the cost of making such Competitive Bid
Loans at the time of submission of the Competitive Bid pursuant to which such
Competitive Bid Loan shall have been made.

          (b)  For purposes of this SECTION 2.17, a notice to the Borrower by
any Lender shall be effective as to each Eurodollar Loan, if lawful, on the last
day of the Interest Period currently applicable to such Eurodollar Loan; in all
other cases such notice shall be effective on the date of receipt by the
Borrower.

          (c)  In the event that such Lender determines at any time following
its giving of the notice referred to in SECTION 2.17(a) that such Lender may
lawfully make Eurodollar Loans, such Lender shall promptly give notice (by
telephone confirmed in writing) to the Borrower and the Agent (which notice the
Agent shall promptly transmit to each Lender) of that determination, whereupon
the right of the Borrower to request of such Lender and such Lender's obligation
to make Eurodollar Loans shall be restored.

          (d)  Each Lender agrees (to the extent consistent with internal
policies) to designate a different lending office for Eurodollar Loans if such
designation would avoid the illegality described in SECTION 2.17(a); PROVIDED,
HOWEVER, that such designation need not be made if it would result in any
additional costs, expenses or risks to such Lender that are not reimbursed by
the Borrower pursuant hereto or would, in the reasonable judgment of such
Lender, be otherwise disadvantageous to such Lender.

          SECTION 2.18.  INDEMNITY.  The Borrower shall indemnify each Lender
against any loss or expense which such Lender may sustain or incur as a
consequence of (a) any failure by the Borrower to borrow or to refinance,
convert or continue any Loan hereunder after irrevocable notice of such
borrowing, refinancing, conversion or continuation has been given pursuant to
SECTION 2.03, 2.04 or 2.12 (b) any payment, prepayment or conversion of a
Eurodollar Loan required by any other provision of this Agreement or otherwise
made or deemed made on a date other than the last day of the Interest Period
applicable thereto, (c) any default in payment or prepayment of the principal
amount of any Loan or any part thereof or interest accrued thereon, as and when
due and payable (at the due date thereof, whether by scheduled maturity,
acceleration, irrevocable notice of prepayment or otherwise) or (d) the
occurrence of any Event of Default, including, in each such case, any loss or
reasonable expense sustained or incurred or to be sustained or incurred in
liquidating or employing deposits from third parties acquired to effect or


                                      -31-
<PAGE>

maintain such Loan or any part thereof as a Eurodollar Loan.  Such loss or
reasonable expense shall be an amount equal to the excess, if any, as reasonably
determined by such Lender, of (I) its cost of obtaining the funds for the Loan
being paid, prepaid, converted or not borrowed, converted, continued,
refinanced, paid or prepaid (assumed to be the LIBO Rate applicable thereto) for
the period from the date of such payment, prepayment, conversion or failure to
borrow, convert, continue, refinance, pay or prepay to the last day of the
Interest Period for such Loan (or, in the case of a failure to borrow, convert,
continue or refinance, the Interest Period for such Loan which would have
commenced on the date of such failure) over (ii) the amount of interest (as
reasonably determined by such Lender) that would be realized by such Lender in
reemploying the funds so paid, prepaid, converted or not borrowed, converted,
continued, refinanced, paid or prepaid for such period or Interest Period, as
the case may be.  A certificate of any Lender setting forth any amount or
amounts which such Lender is entitled to receive pursuant to this Section shall
be delivered to the Borrower and shall be conclusive absent manifest error.

          SECTION 2.19.  PRO RATA TREATMENT.  (a)  Except as required under
SECTION 2.17 and SECTION 9.18, each Revolving Loan Borrowing, each payment or
prepayment of principal of any Revolving Loans, each payment of interest on the
Revolving Loans, each payment of the Commitment Fees and LC Fees, each reduction
of the Revolving Credit Commitments or the LC Commitments, and each refinancing
of any Revolving Loan Borrowing with, conversion of any Revolving Loan Borrowing
to or continuation of any Revolving Loan Borrowing as a Borrowing of any Type
(other than with respect to Competitive Bid Borrowings) shall be allocated among
the Lenders in accordance with their respective Pro Rata Shares.  Each Lender
agrees that in computing such Lender's portion of any Revolving Loan Borrowing
to be made hereunder, the Agent may, in its discretion, round each Lender's
percentage of such Borrowing, computed in accordance with SECTION 2.01, to the
next higher or lower whole dollar amount.

          (b)  All payments of principal of any Competitive Bid Borrowing shall
be allocated pro rata among the Lenders participating in such Borrowing in
accordance with the respective principal amounts of their outstanding
Competitive Bid Loans comprising such Borrowing.  All payments of interest on
any Competitive Bid Borrowing shall be allocated pro rata among the Lenders
participating in such Borrowing in accordance with the respective amounts of
accrued and unpaid interest on their outstanding Competitive Bid Loans
comprising such Borrowing.

          (c)  So long as the Loans have not become due and payable in full
pursuant to SECTION 7.02, and subject to the terms and conditions of this
Agreement, the Borrower shall designate whether any payment hereunder is to be
applied to a Revolving Loan Borrowing or a Competitive Bid Borrowing.  After the
Loans have become due and payable in full pursuant to SECTION 7.02, all amounts
remitted to the Agent shall be applied, subject to the provisions of this
Agreement, (I) first, to pay Obligations in respect of any fees, expense
reimbursements or indemnities then due to the Agent from the Borrower under this
Agreement or any other Loan Document; (ii) second, to pay Obligations in respect
of any fees, expense reimbursements or indemnities then due to the Lenders and
the Issuing Banks from the Borrower; (iii) third, to pay interest due in respect
of the Loans (ratably, in respect of Revolving Loans and Competitive Bid Loans);
(iv) fourth, to pay or prepay principal of Loans and LC Disbursements (ratably,
in respect of Revolving Loans, Competitive Bid Loans and LC Disbursements); (v)
fifth, to provide cash collateral in respect of Letters of Credit; and (vi)
sixth, to the ratable payment of all other Obligations.

          SECTION 2.20.  SHARING OF SETOFFS.  Each Lender agrees that if it
shall, through the exercise of a right of banker's lien, setoff or counterclaim
against the Borrower, or pursuant to a secured claim under Section 506 of Title
11 of the United States Code or other security or interest arising from, or in
lieu of, such secured claim, received by such


                                      -32-
<PAGE>

Lender under any applicable bankruptcy, insolvency or other similar law or
otherwise (except pursuant to SECTION 2.24 or 9.04), or by any other means,
obtain payment (voluntary or involuntary) in respect of any Loan or Loans
(which, for purposes of this SECTION 2.20, shall include reimbursement
obligations with respect to LC Disbursements) as a result of which the unpaid
principal portion of its Loans shall be proportionately less than the unpaid
principal portion of the Loans of any other Lender, it shall be deemed
simultaneously to have purchased from such other Lender at face value, and shall
promptly pay to such other Lender the purchase price for, a participation in the
Loans of such other Lender, so that the aggregate unpaid principal amount of the
Loans and participations in Loans held by each Lender shall be in the same
proportion to the aggregate unpaid principal amount of all Loans then
outstanding as the principal amount of its Loans prior to such exercise of
banker's lien, setoff or counterclaim or other event was to the principal amount
of all Loans outstanding prior to such exercise of banker's lien, setoff or
counterclaim or other event; PROVIDED, HOWEVER, that, if any such purchase or
purchases or adjustments shall be made pursuant to this SECTION 2.20 and the
payment giving rise thereto shall thereafter be recovered, such purchase or
purchases or adjustments shall be rescinded to the extent of such recovery and
the purchase price or prices or adjustment restored without interest.  The
Borrower expressly consents to the foregoing arrangements and agrees that any
Lender holding a participation in a Loan deemed to have been so purchased may
exercise any and all rights of banker's lien, setoff or counterclaim with
respect to any and all moneys owing by the Borrower to such Lender by reason
thereof as fully as if such Lender had made a Loan directly to the Borrower in
the amount of such participation.

          SECTION 2.21.  PAYMENTS.  (a)  The Borrower shall make each payment
(including principal of or interest on the Loans, any Fees other than Issuing
Bank Fees or other amounts) hereunder and under any other Loan Document not
later than 12:00 noon, New York City time, on the date when due in dollars to
the Agent at its offices at 270 Park Avenue, New York, New York, in immediately
available funds.  Any payment received after 12:00 noon, New York City time, on
any date shall be deemed to have been received on the next succeeding Business
Day.

          (b)  Whenever any payment (including principal of or interest on any
Loans or any Fees or other amounts) hereunder or under any other Loan Document
shall become due, or otherwise would occur, on a day that is not a Business Day,
such payment may be made on the next succeeding Business Day, and such extension
of time shall in such case be included in the computation of interest or Fees,
if applicable, unless, in the case of a Eurodollar Loan only, such next
succeeding Business Day would fall in the next calendar month, in which case
such payment shall be made on the next preceding Business Day.

          SECTION 2.22.  TAXES.  (a) Any and all payments by the Borrower
hereunder shall be made, in accordance with SECTION 2.21, free and clear of and
without deduction for any and all present or future taxes, levies, imposts,
deductions, charges or withholdings, and all liabilities with respect thereto,
EXCLUDING (I) taxes imposed on the net income of the Agent, any Issuing Bank or
any Lender (or any transferee or assignee thereof that is permitted by SECTION
9.04, including a participation holder (any such entity being called a
"TRANSFEREE")), (ii) franchise or similar taxes imposed on the Agent, any
Issuing Bank or any Lender (or Transferee) by the United States of America or
any jurisdiction under the laws of which the Agent, such Issuing Bank or any
such Lender (or Transferee) is organized or in which the applicable lending
office is situated, or subject to such tax other than solely as a result of the
transactions provided for herein or any political subdivision thereof and (iii)
all taxes not imposed by the United States of America, the states or a political
subdivision thereof (all such nonexcluded taxes, levies, imposts, deductions,
charges, withholdings and liabilities being hereinafter referred to as "TAXES").
For purposes of this provision, taxes imposed on net income include United
States of America withholding taxes imposed upon the payment of interest unless
such taxes are imposed as a result


                                      -33-
<PAGE>

of a change in the laws, treaties, regulations or interpretations in existence
on the Closing Date.  If the Borrower shall be required by law to deduct any
Taxes from or in respect of any sum payable hereunder to the Lenders (or any
Transferee), any Issuing Bank or the Agent, (i) the sum payable shall be
increased by the amount necessary so that after making all required deductions
(including deductions applicable to additional sums payable under this
SECTION 2.22) such Lender (or Transferee), such Issuing Bank or the Agent (as
the case may be) shall receive an amount equal to the sum it would have received
had no such deductions been made, (ii) the Borrower shall make such deductions
and (iii) the Borrower shall pay the full amount deducted to the relevant taxing
authority or other Governmental Authority in accordance with applicable law;
PROVIDED, HOWEVER, that no Transferee of any Lender shall be entitled to receive
any greater payment under this PARAGRAPH (a) than such Lender would have been
entitled to receive with respect to the rights assigned, participated or
otherwise transferred.

          (b)  In addition, the Borrower agrees to pay any present or future
stamp or documentary taxes or any other excise or property taxes, charges or
similar levies which arise from any payment made hereunder or from the
execution, delivery or registration of, or otherwise with respect to, this
Agreement or any other Loan Document (hereinafter referred to as "OTHER TAXES").

          (c)  The Borrower will indemnify each Lender (or Transferee), the
Agent and each Issuing Bank for the full amount of Taxes and Other Taxes paid by
such Lender (or Transferee), the Agent or such Issuing Bank as the case may be,
and any liability (including penalties, interest and expenses) arising therefrom
or with respect thereto, whether or not such Taxes or Other Taxes were correctly
or legally asserted by the relevant taxing authority or other Governmental
Authority.  Such indemnification shall be made within 30 Business Days after the
date any Lender (or Transferee), the Agent or any Issuing Bank, as the case may
be, makes written demand therefor.  If a Lender (or Transferee), the Agent or an
Issuing Bank shall become aware that it is entitled to receive a refund in
respect of Taxes or Other Taxes as to which it has been indemnified by the
Borrower pursuant to this SECTION 2.22 or a credit in respect of any Taxes or
Other Taxes paid by the Borrower pursuant to this SECTION 2.22 against taxes it
would otherwise have owed that are not Taxes or Other Taxes, it shall promptly
notify the Borrower of the availability of such refund or credit and shall apply
for such refund or credit at the Borrower's expense.  If any Lender (or
Transferee), the Agent or any Issuing Bank receives a refund or it becomes
entitled to take a credit in respect of any Taxes or Other Taxes as to which it
has been indemnified by the Borrower pursuant to this SECTION 2.22, it shall
promptly notify the Borrower of such refund or credit and shall promptly repay
such refund or pay the amount of such credit, as the case may be, to the
Borrower (to the extent of amounts that have been paid by the Borrower under
this SECTION 2.22 with respect to such refund or credit), net of all
out-of-pocket expenses of such Lender, the Agent or such Issuing Bank; PROVIDED
that the Borrower, upon the request of such Lender (or Transferee), the Agent or
such Issuing Bank agrees to return such refund or the amount of such credit
(plus penalties, interest or other charges) to such Lender (or Transferee), the
Agent or such Issuing Bank in the event such Lender (or Transferee), the Agent
or such Issuing Bank is required to repay such refund or is prohibited from
taking such credit against taxes that are not Taxes or Other Taxes.  Nothing
contained in this PARAGRAPH (c) shall require any Lender (or Transferee), the
Agent or any Issuing Bank to make available any of its tax returns (or any other
information relating to its taxes which it deems to be confidential).

          (d)  Within 30 Business Days after the date of any payment of Taxes or
Other Taxes withheld by the Borrower in respect of any payment to any Lender (or
Transferee), the Agent or any Issuing Bank, the Borrower will furnish to the
Agent, at its address referred to in SECTION 9.01, the original or a certified
copy of a receipt evidencing payment thereof to the extent that the relevant
taxing authority delivers such receipts.


                                      -34-
<PAGE>

          (e)  Without prejudice to the survival of any other agreement
contained herein, the agreements and obligations contained in this SECTION 2.22
shall survive the payment in full of the Obligations hereunder.

          (f)  Each Lender and Issuing Bank represents to the Agent and the
Borrower that under applicable laws, treaties, regulations and interpretations
in existence on the Closing Date, no Taxes imposed by the United States of
America will be required to be withheld with respect to interest on the Loans.
Each Lender, the Agent and each Issuing Bank that is organized under the laws of
a jurisdiction outside the United States of America shall, on the Closing Date
and, if legally able to do so, at the beginning of each of its tax years
thereafter, deliver to the Borrower such certificates, documents or other
evidence, as required by the Internal Revenue Code or Treasury Regulations
issued pursuant thereto, including Internal Revenue Service Form 1001 or Form
4224 and any other certificate or statement of exemption required by Treasury
Regulation Section 1.1441-1, 1.1441-4 or 1.1441-6(c) or any subsequent version
thereof or successors thereto, properly completed and duly executed by such
Lender (or Transferee), the Agent or such Issuing Bank establishing that
payments made pursuant to this Agreement to such Lender (i) are not subject to
United States Federal withholding tax under the Internal Revenue Code because
such payment is effectively connected with the conduct by such Lender (or
Transferee), the Agent or such Issuing Bank of a trade or business in the United
States of America or (ii) are totally exempt from United States Federal
withholding tax, or are subject to a rate of such tax that has been reduced to
zero under a provision of an applicable tax treaty.  Unless the Borrower and the
Agent have received forms or other documents satisfactory to them indicating
that such payments hereunder are not subject to United States Federal
withholding tax or are subject to such tax at a rate reduced by an applicable
tax treaty, the Borrower or the Agent shall withhold taxes from such payments at
the applicable statutory rate.

          (g)  The Borrower shall not be required to pay any additional amounts
to any Lender (or Transferee), the Agent or any Issuing Bank in respect of
United States Federal withholding tax pursuant to PARAGRAPH (a) above if the
obligation to pay such additional amounts does not result from a change in laws,
treaties, regulations or interpretations in existence on the Closing Date.  Thus
the Borrower shall not reimburse for Taxes or Other Taxes arising from a failure
by the Lender (or Transferee), the Agent or such Issuing Bank (if required to do
so) to comply with the provisions of PARAGRAPH (f) above or from a transfer of
the Loans to another applicable lending office; PROVIDED, HOWEVER, that the
Borrower shall be required to pay those amounts to any Lender (or Transferee),
the Agent or any Issuing Bank that it was required to pay hereunder prior to the
failure of such Lender (or Transferee), the Agent or such Issuing Bank to comply
with the provisions of PARAGRAPH (f).

          SECTION 2.23.  DUTY TO MITIGATE ADDITIONAL COSTS, REDUCTIONS IN RATE
OF RETURN AND TAXES.  Any Lender (or Transferee), the Agent or any Issuing Bank
claiming any amounts pursuant to SECTION 2.16 or 2.22 shall use reasonable
efforts (consistent with legal and regulatory restrictions) to avoid any costs,
reductions, Taxes or Other Taxes in respect of which such amounts are claimed,
including the filing of any certificate or document reasonably requested by the
Borrower or the changing of the jurisdiction of its lending office if such
efforts would avoid the need for or reduce the amount of any such amounts which
would thereafter accrue and would not, in the sole determination of such Lender
(or Transferee), the Agent or such Issuing Bank, result in any additional costs,
expenses or risks to such Lender (or Transferee), the Agent or such Issuing Bank
or would be otherwise disadvantageous to such Lender (or Transferee), the Agent
or such Issuing Bank.

          SECTION 2.24.  ASSIGNMENT OF COMMITMENTS UNDER CERTAIN CIRCUMSTANCES.


                                      -35-
<PAGE>

          In the event a Lender (an "AFFECTED LENDER") shall have: (i) failed to
either fund its Pro Rata Share of any Revolving Loan Borrowing requested by the
Borrower which such Lender is obligated to fund under the terms of SECTION 2.03
or its Competitive Bid Loan which such Lender is obligated to fund under the
terms of SECTION 2.04, and in either case such failure has not been cured within
five (5) Business Days, (ii) failed to fund its Pro Rata Share of a payment to
the Agent on behalf of an Issuing Bank which such Lender is obligated to fund
under the terms of SECTION 2.15 and such failure has not been cured within five
(5) Business Days, (iii) either repudiated its obligations under this Agreement
or failed to reaffirm such obligations in writing within five (5) Business Days
of a written request therefor from the Agent or any Issuing Bank, (iv) delivered
to the Borrower a notice described in the last sentence of this SECTION 2.24, or
(v) made demand for additional amounts pursuant to SECTION 2.16 or 2.22, as a
result of any condition described in any such Section, then, unless such
Affected Lender has theretofore taken steps to remove or cure, and has removed
or cured within five (5) Business Days, such failure or the circumstances
described in such notice or the conditions creating the cause for such demand
for such additional amounts, as the case may be, the Borrower may require the
Affected Lender to transfer and assign without recourse (in accordance with and
subject to the restrictions contained in SECTION 9.04) all its interests, rights
and obligations under this Agreement to a bank designated by the Borrower and
which is reasonably acceptable to the Agent (such bank being herein called a
"REPLACEMENT LENDER"); PROVIDED, that (i) no such assignment shall conflict with
any law, rule or regulation or order of any Governmental Authority and (ii) the
Replacement Lender shall pay to the Affected Lender in immediately available
funds on the date of such termination or assignment the principal of and
interest accrued to the date of payment on the Loans made by it hereunder and
all other amounts accrued for its account or owed to it hereunder.  Each Lender
agrees to use its best efforts to notify the Borrower as promptly as practicable
upon such Lender's becoming aware that circumstances exist which would cause the
Borrower to become obligated to pay additional amounts to such Lender pursuant
to SECTION 2.16 or 2.22; PROVIDED, that the failure by any Lender to give such
notice shall not affect the obligations of the Borrower under such Sections.


                  ARTICLE III.  REPRESENTATIONS AND WARRANTIES

          In order to induce the Lenders, the Issuing Banks and the Agent to
enter into this Agreement and to make and/or maintain Loans and provide Letters
of Credit hereunder, the Borrower hereby represents and warrants to the Lenders,
the Issuing Banks, and the Agent that the following statements are true, correct
and complete:

          SECTION 3.01.  ORGANIZATION; CORPORATE POWERS.  Each of the Borrower
and its Subsidiaries (i) is a corporation duly organized, validly existing and
in good standing under the laws of the jurisdiction of its incorporation,
(ii) is duly qualified to do business as a foreign corporation and in good
standing under the laws of each jurisdiction in which it owns or leases real
property or in which the nature of its business requires it to be so qualified,
except for those jurisdictions (other than Alabama, Arkansas, Mississippi and
Vermont) where failure to so qualify and be in good standing does not have a
Material Adverse Effect and (iii) has all requisite corporate power and
authority to own, operate and encumber its property and assets and to conduct
its business as presently conducted.

          SECTION 3.02.  AUTHORITY.

               (i)  The Borrower has the requisite corporate power and authority
     to execute, deliver and perform each of the Loan Documents.

               (ii)  The execution, delivery and performance of each of the Loan
     Documents and the consummation of the transactions contemplated


                                      -36-
<PAGE>

     thereby have been duly approved by the Board of Directors of the Borrower,
     and no other corporate proceedings on the part of the Borrower is necessary
     to consummate such transactions.

               (iii) The Borrower has duly executed and delivered each of the
     Loan Documents to which it is party, and each such Loan Document
     constitutes the Borrower's legal, valid and binding obligation, enforceable
     against it in accordance with its terms, and is in full force and effect
     subject to the effect of bankruptcy, insolvency, reorganization,
     arrangement, moratorium, fraudulent conveyance, voidable preference or
     similar laws and the application of equitable principles generally.

          SECTION 3.03.  SUBSIDIARIES; OWNERSHIP OF CAPITAL STOCK.  As of the
Closing Date, SCHEDULE 3.03 sets forth all of its Subsidiaries and the identity
of the holders (other than the public holders of the capital stock of CGC) of
all shares of each class of capital stock of each of its Subsidiaries.

          SECTION 3.04.  NO CONFLICT.  The Borrower's execution, delivery and
performance of each Loan Document, and each of the transactions contemplated
thereby, do not (i) constitute a tortious interference with any of the
Borrower's or any of its Subsidiaries' Contractual Obligations, or (ii) violate
the Borrower's certificate of incorporation or by-laws, or other organizational
documents, as the case may be, or (iii) result in a breach of or constitute
(with or without notice or lapse of time or both) a default under any material
Requirement of Law or material Contractual Obligation of the Borrower or any of
its Subsidiaries, or require termination of any material Contractual Obligation,
or (iv) result in or require the creation or imposition of any material Lien
whatsoever upon any of the properties or assets of the Borrower or of any of its
Subsidiaries (other than Liens in favor of the Collateral Trustee arising
pursuant to the Loan Documents or Liens permitted pursuant to SECTION 6.03) or
(v) require any approval of stockholders or any approval or consent of any
Person under any Contractual Obligation of the Borrower or any of its
Subsidiaries, which have not been obtained on or before the Closing Date.

          SECTION 3.05.  GOVERNMENTAL CONSENTS.  The Borrower's execution,
delivery and performance of each Loan Document and the transactions contemplated
thereby do not require any registration with, consent or approval of, or notice
to, or other action to, with or by any Governmental Authority.

          SECTION 3.06.  GOVERNMENTAL REGULATION.  As of the Closing Date,
neither the Borrower nor any of its Subsidiaries is subject to regulation under
the Public Utility Holding Company Act of 1935, the Federal Power Act, the
Interstate Commerce Act or the Investment Company Act of 1940.

          SECTION 3.07.  DEBT.  Set forth on SCHEDULE 3.07 hereto is a complete
and correct list of all Debt of the Borrower and each of its Subsidiaries
outstanding as of the Closing Date having an outstanding principal amount in
excess of $1,000,000 (other than Debt incurred pursuant to the Loan Documents
and Debt permitted under SECTION 6.01), which SCHEDULE 3.07 specifies the
aggregate principal amount thereof outstanding as of the Closing Date.

          SECTION 3.08.  LITIGATION; MATERIAL ADVERSE EFFECTS.  As of the
Closing Date:

               (a)  except as set forth in SCHEDULE 3.08 hereto, there exists no
     action, suit, proceeding, governmental investigation or arbitration, at law
     or in equity, or before or by any Governmental Authority, pending, or to
     the knowledge of the Borrower, threatened against the Borrower or any of
     its Subsidiaries or any property of any of them which would have a Material
     Adverse Effect; and


                                      -37-
<PAGE>

               (b)  neither the Borrower nor any of its Subsidiaries is (A) in
     violation of any applicable law which violation would have a Material
     Adverse Effect, or (B) subject to or in default with respect to any final
     judgment, writ, order, injunction, decree, rule or regulation of any court
     or Governmental Authority which would have a Material Adverse Effect.

          SECTION 3.09.  PAYMENT OF TAXES.  As of the Closing Date: (i) all
federal tax returns and reports of the Borrower and each of its Subsidiaries
and, to the Borrower's knowledge, all other tax returns and reports of the
Borrower and each such Subsidiary, required to be filed, have been timely filed,
and all taxes, assessments, fees and other governmental charges thereupon and
upon their respective properties, assets, income and franchises which are shown
on such returns, or have been assessed by any Governmental Authority, as being
due and payable, have been paid when due and payable, except such taxes, if any,
that are reserved against in accordance with GAAP, such taxes as are being
contested in good faith by appropriate proceedings or such taxes the failure to
make payment of which when due and payable would not have, in the aggregate, a
Material Adverse Effect; and (ii) the Borrower has no knowledge of any proposed
tax assessment against the Borrower or any of its Subsidiaries that would have a
Material Adverse Effect, which is not being contested in good faith by such
Person.

          SECTION 3.10.  MARGIN STOCK.  Neither the Borrower nor any of its
Subsidiaries is engaged principally in the business of extending credit for the
purpose of purchasing or carrying any Margin Stock.

          SECTION 3.11.  NO MATERIAL MISSTATEMENTS.  As of the Closing Date: (i)
the schedules, certificates and other written statements and information (taken
as a whole) furnished by or on behalf of the Borrower and/or its Subsidiaries to
the Agent and the Lenders, do not contain any material misstatement of fact or
omit to state a material fact necessary in order to make the statements
contained therein, in light of the circumstances under which they were made, not
misleading, and (ii) neither the Borrower nor any of its Subsidiaries has
intentionally withheld any fact known to it which would have a Material Adverse
Effect which has not been set forth or referred to in this Agreement or the
other Loan Documents.

          SECTION 3.12.  REQUIREMENTS OF LAW.  As of the Closing Date, the
Borrower, each of its Subsidiaries and each Person acting on behalf of any of
them is in compliance with all Requirements of Law (including, without
limitation, the Securities Act and the Securities Exchange Act, and the
applicable rules and regulations thereunder, the Bankruptcy Code, state
securities law and "Blue Sky" law) applicable to them and their respective
businesses, in each case, except to the extent that the failure to so comply
would not have a Material Adverse Effect.

          SECTION 3.13.  ENVIRONMENTAL MATTERS.  Except as disclosed in the
report attached as SCHEDULE 3.13:

          (a)  neither the Borrower nor any of its Subsidiaries have received or
are aware of any of the following: (i) notice or claim to the effect that the
Borrower or any of its domestic Subsidiaries is or may be liable to any Person
as a result of the Release or threatened Release of any Contaminant into the
environment; (ii) notice that the Borrower or any of its domestic Subsidiaries
has been identified as potentially responsible for, or is subject to
investigation by any Governmental Authority relating to, the Release or
threatened Release of any Contaminant into the environment; (iv) notice that any
Property of the Borrower or any of its domestic Subsidiaries is subject to an
Environmental Lien; (iv) notice of violation to the Borrower or any of its
domestic Subsidiaries or awareness by the Borrower or any of its domestic
Subsidiaries of a condition which might reasonably result in a notice of
violation of any environmental, health or safety Requirement of Law, which would
have a Material Adverse Effect; (v) commencement or threat of any


                                      -38-
<PAGE>

judicial or administrative proceeding alleging a violation of any environmental
Requirement of Law; (vi) commencement of any judicial proceeding alleging a
violation of any health or safety Requirement of Law; or (vii) any proposed
acquisition of stock, assets, real estate, or leasing of Property, or any other
action by the Borrower or any of its Subsidiaries that could subject the
Borrower or any of its Subsidiaries to environmental, health or safety
Liabilities and Costs that would have a Material Adverse Effect; and


          (b)  neither the Borrower nor any of its Subsidiaries have made any
filing or report with any Governmental Authority with respect to (i) the
violation of any environmental, health or safety Requirement of Law, (ii) any
unpermitted Release or threatened Release of a Contaminant or (iii) any unsafe
or unhealthful condition at any Property of the Borrower or any of its
Subsidiaries, any of which would have a Material Adverse Effect.

          SECTION 3.14.  ERISA.  Neither the Borrower nor any ERISA Affiliate
maintains or contributes to any Benefit Plan other than a Benefit Plan listed on
SCHEDULE 3.14 annexed hereto.  Except as otherwise provided on SCHEDULE 3.14,
each Plan which is intended to be a qualified plan has been determined by the
IRS to be qualified under Section 401(a) of the Internal Revenue Code, and each
trust related to any such Plan has been determined to be exempt from federal
income tax under Section 501(a) of the Internal Revenue Code prior to its
amendment by the Tax Reform Act of 1986, and such Plan and trust are being
operated in all material respects in compliance with the Tax Reform Act of 1986
and all other amendments to the Internal Revenue Code and ERISA as interpreted
by the regulations promulgated thereunder.  Except as otherwise provided on
SCHEDULE 3.14, neither the Borrower nor any ERISA Affiliate maintains or
contributes to any employee welfare benefit plan within the meaning of Section
3(1) of ERISA which provides lifetime benefits to retirees.  The Borrower and
all of its ERISA Affiliates are in compliance in all material respects with the
responsibilities, obligations and duties imposed on them by ERISA or regulations
promulgated thereunder with respect to all Plans.  No accumulated funding
deficiency (as defined in Section 302(a)(2) of ERISA and Section 412(a) of the
Internal Revenue Code) exists with respect to any Benefit Plan.  Except as
otherwise provided on SCHEDULE 3.14, neither the Borrower nor any ERISA
Affiliate nor any fiduciary of any Plan which is not a Multiemployer Plan
(i) has engaged in a nonexempt "prohibited transaction" described in Sections
406 and 408 of ERISA or Section 4975 of the Internal Revenue Code or (ii) has
taken any action which would constitute or result in a Termination Event with
respect to any Plan which would result in a material liability to the Borrower.
Neither the Borrower nor any ERISA Affiliate has incurred any material liability
to the PBGC that has not been paid within the applicable period permitted by
law.  Schedule B to the most recent annual report filed with the Internal
Revenue Service with respect to each Benefit Plan and furnished to the Lenders
is complete and accurate.  Except as provided on SCHEDULE 3.14, since the date
of each such Schedule B, there has been no material adverse change in the
funding status or financial condition of the Benefit Plan relating to such
Schedule B which would result in a Material Adverse Effect.  Neither the
Borrower nor any ERISA Affiliate has failed to make a required contribution or
payment to a Multiemployer Plan on or before the required due date for such
contribution or installment which failure would have a Material Adverse Effect.
Neither the Borrower nor any ERISA Affiliate has failed to make a required
installment under subsection (m) of Section 412 of the Internal Revenue Code or
any other payment required under Section 412 of the Internal Revenue Code on or
before the due date for such installment or other payment, which failure would
have a Material Adverse Effect.  Neither the Borrower nor any ERISA Affiliate is
required to provide security to a Plan under Section 401(a)(29) of the Internal
Revenue Code due to a Benefit Plan amendment that results in an increase in
current liability for the plan year.

          SECTION 3.15.  ASSETS AND PROPERTIES.  As of the Closing Date: (i) the
Borrower and each of its Subsidiaries has good and marketable title to all of
its assets (tangible and intangible) owned by it, and all such assets are


                                      -39-
<PAGE>

free and clear of all Liens except as specifically permitted or contemplated by
the terms and provisions of this Agreement; and (ii) substantially all of the
assets and properties owned by, leased to or used by the Borrower and/or each
such Subsidiary are in adequate operating condition and repair, ordinary wear
and tear excepted, are free and clear of any known defects except such defects
as do not substantially interfere with the continued use thereof in the conduct
of normal operations, and are able to serve the function for which they are
currently being used, except in each case where the failure of such asset to
meet such requirements would not have a Material Adverse Effect.

          SECTION 3.16.  AGREEMENTS.  Neither the Borrower nor any of its
Subsidiaries is in default in any manner under any provision of any indenture or
other agreement or instrument evidencing Debt, or any other material agreement
or instrument to which it is a party or by which it or any of its properties or
assets is or may be bound, where such default would result in a Material Adverse
Effect.

          SECTION 3.17.  FINANCIAL STATEMENTS.  The Borrower has heretofore
furnished to the Lenders consolidated financial statements (i) as of December
31, 1994, audited by and accompanied by the opinion of Arthur Andersen & Co. or
other independent certified public accountants of recognized national standing
satisfactory to the Agent and (ii) as of March 31, 1995.  Such financial
statements present fairly in all material respects the financial condition and
results of operations of the Borrower and each of its consolidated Subsidiaries
and as of such dates and for such periods.  Such balance sheets and the notes
thereto disclose all material liabilities, direct or contingent, of the Borrower
and its consolidated Subsidiaries (including the Borrower) as of the dates
thereof that are required to be disclosed under GAAP.  Such financial statements
were prepared in accordance with GAAP applied on a consistent basis, except as
set forth in the notes to such financial statements.  There has been no material
adverse change in the business, assets, operations or financial condition of the
Borrower and its Subsidiaries since December 31, 1994.


                        ARTICLE IV.  CONDITIONS PRECEDENT

          The obligations of the Lenders to make Loans and the obligation of the
Issuing Banks to issue or extend the expiry date of Letters of Credit (each of
the foregoing events being called a "CREDIT EVENT") from and after the Closing
Date, are subject to the satisfaction of all of the applicable conditions set
forth below:

          SECTION 4.01.  ALL CREDIT EVENTS.  On the date of each Credit Event:

          (a)  NOTICE OF BORROWING.  The Agent and, where applicable, an Issuing
     Bank shall have received a notice of such Credit Event as required by
     SECTION 2.03, SECTION 2.04 or Section 2.15(c).

          (b)   REPRESENTATIONS AND WARRANTIES.  The representations and
     warranties set forth in SECTIONS 3.01, 3.02, 3.04 and 3.10 shall be true
     and correct in all material respects on and as of the date of such Credit
     Event with the same effect as though made on and as of such date.

          (c)   NO DEFAULT.  The Borrower shall be in compliance with all the
     terms and provisions set forth herein and in each other Loan Document on
     its part to be observed or performed, and at the time of and immediately
     after such Credit Event no Potential Event of Default or Event of Default
     shall have occurred and be continuing.

          (d)  NO INJUNCTION.  No law or regulation shall prohibit, and no
     order, judgment or decree of any Governmental Authority shall enjoin,


                                      -40-
<PAGE>

     prohibit or restrain, any Lender from making the requested Loan or any
     Lender or Issuing Bank from issuing, renewing, extending or increasing the
     face amount of or participating in the Letter of Credit requested to be
     issued, renewed, extended or increased.

          (e)  NO MATERIAL ADVERSE EFFECT.  Since December 31, 1994, no event
     has occurred which has had or would have a Material Adverse Effect;
     PROVIDED, HOWEVER, that the foregoing condition precedent shall not apply
     in the case of (i) a continuation of a Loan as either an ABR Loan or a
     Eurodollar Loan, (ii) a conversion of ABR Loans into Eurodollar Loans or
     Eurodollar Loans into ABR Loans, (iii) a refinancing of any Borrowing that
     does not increase the aggregate outstanding principal amount of any
     Revolving Loan or Competitive Bid Loan, or (iv) the extension of an
     outstanding Letter of Credit.

          Each Credit Event shall be deemed to constitute a representation and
warranty by the Borrower on the date of such Credit Event as to the matters
specified in PARAGRAPHS (b), (c) and, when applicable, (e) of this SECTION 4.01.

          SECTION 4.02.  FIRST CREDIT EVENT.  The obligations of the Lenders and
the Issuing Banks hereunder, including, without limitation, the obligation to
make the initial Loans and other extensions of credit, shall be of no force or
effect until all of the following conditions precedent are satisfied:

          (a)  DOCUMENTATION.  The Agent shall have received all of the
following, each in form and substance satisfactory to the Lenders (as indicated
by each Lender's signature hereto) and, in the case of item (1) below, in
sufficient copies for each of the Lenders:

          (1)  This Agreement, executed by the Borrower, together with all
     Schedules hereto;

          (2)  A Revolving Loan Note, with appropriate insertions, executed by
     the Borrower and payable to the order of each Lender;

          (3)  A Competitive Bid Note, with appropriate insertions, executed by
     the Borrower and payable to the order of each Lender;

          (4)  The Pledge Agreement, executed by the Borrower in favor of the
     Collateral Trustee, together with stock certificates and appropriate stock
     powers endorsed in blank;

          (5)  The Collateral Trust Agreement, executed by all parties thereto;

          (6)  The opinion of Kirkland & Ellis, counsel to the Borrower, and the
     opinion of the assistant general counsel of the Borrower, in each case
     relating to such matters as the Agent deems appropriate, in form and
     substance reasonably satisfactory to the Agent and the Lenders;

          (7)  The Borrower's Restated Certificate of Incorporation, as
     amended, modified or supplemented to the Closing Date, certified to be
     true, correct and complete by the Secretary of State of Delaware,
     together with good standing certificates from the Secretaries of State
     of Delaware and Illinois, each to be dated a date at most ten (10)
     days prior to the Closing Date;

          (8)  A certificate of the Secretary or Assistant Secretary of the
     Borrower certifying (A) the names and true signatures of the Borrower's
     incumbent officers who are authorized to sign this Agreement and all other
     Loan Documents to be executed by the Borrower, (B) the Borrower's By-Laws
     as in effect on the date of such certification, (c) the resolutions of the
     Borrower's Board of Directors approving and


                                      -41-
<PAGE>

     authorizing the execution, delivery and performance of this Agreement and
     all other Loan Documents executed by the Borrower, (D) that there have been
     no changes in the Restated Certificate of Incorporation of the Borrower
     since the date of the most recent certification thereof by the Secretary of
     State of Delaware; and

          (9)  An opinion of Richards, Layton & Finger, counsel to the
     Collateral Trustee, relating to such matters as the Agent deems
     appropriate, which opinion is in form and substance reasonably satisfactory
     to the Agent and the Lenders.

          (b)  PAY DOWN OF EXISTING CREDIT AGREEMENT.  The Existing Credit
Agreement (except for those provisions which survive termination of such
arrangement) shall have been or shall simultaneously with the Credit Events
occurring on the Closing Date be terminated, all loans outstanding and other
amounts owed to the lenders thereunder shall have been or shall simultaneously
with such Credit Events be paid in full and all letters of credit outstanding
thereunder shall have been or shall simultaneously with such Credit Events
become subject to the provisions of this Agreement.

          (c)  PAYMENT OF FEES.  The Agent, the Issuing Banks and the Lenders
shall have received all Fees and other amounts due and payable hereunder or
under the other Loan Documents on or prior to the Closing Date.

                                    ARTICLE V
                              AFFIRMATIVE COVENANTS

          The Borrower covenants and agrees that, on and after the Closing Date
and so long as any Lender shall have any Commitment hereunder and until payment
in full of all of the Obligations (other than any contingent indemnity
Obligations arising pursuant to SECTION 2.16, 2.18, 2.22 or 9.05), unless the
Requisite Lenders shall otherwise give prior written consent:

          SECTION 5.01.  CORPORATE EXISTENCE; CORPORATE POWERS; ETC.  The
Borrower shall, and shall cause each Material Subsidiary to, at all times
maintain its corporate existence and preserve and keep in full force and effect
its rights and franchises unless the failure to maintain such rights and
franchises would not have a Material Adverse Effect.  The Borrower shall
promptly provide the Agent with a complete list of its Subsidiaries upon the
occurrence of any change in the list of such Subsidiaries as set forth on
SCHEDULE 5.01 hereto.  The Borrower shall, and shall cause each Material
Subsidiary to, qualify and remain qualified to do business in each jurisdiction
in which the nature of its business requires it to be so qualified except for
those jurisdictions (other than Alabama, Arkansas, Mississippi and Vermont)
where the failure to so qualify would not have a Material Adverse Effect.

          SECTION 5.02.  COMPLIANCE WITH LAWS, ETC.  The Borrower shall, and
shall cause each Material Subsidiary to, (a) comply with all Requirements of
Law, and all restrictive covenants affecting such Person or the business,
properties, assets or operations of such Person, and (b) obtain as needed all
Permits necessary for its operations and maintain such in good standing, except
where the failure to comply with either of CLAUSES (a) or (b) above would not
have a Material Adverse Effect.

          SECTION 5.03.  MAINTENANCE OF PROPERTIES; INSURANCE.  The Borrower
shall, and shall cause each Material Subsidiary to, maintain or cause to be
maintained in good repair, working order and condition, excepting ordinary wear
and tear and damage due to casualty or condemnation, all of its properties
material to its operations and will make or cause to be made all appropriate
repairs, renewals and replacements thereof, consistent with past practice.  The
Borrower and each Material Subsidiary shall maintain or cause to be maintained,
with financially sound and reputable insurers reasonably acceptable to the
Agent, the insurance policies and programs listed on


                                      -42-
<PAGE>

SCHEDULE 5.03 hereto (including liability insurance) or substantially similar
programs or policies and amounts or other programs, policies and amounts
reasonably acceptable to the Agent.  With respect to the renewal, replacement or
material modification of any policy or program, the Borrower shall deliver or
cause to be delivered to the Lenders, concurrently with the delivery of the
financial statements required to be delivered pursuant to SECTION 5.07(b) a
detailed schedule setting forth for each such policy or program:  (I) the amount
of such policy, (ii) the risks insured against by such policy, (iii) the name of
the insurer and each insured party under such policy, and (iv) the policy number
of such policy.

          SECTION 5.04.  PAYMENT OF TAXES AND CLAIMS.  The Borrower shall pay or
cause to be paid, and shall cause each Material Subsidiary to pay, (a) all
material taxes, assessments and other governmental charges imposed upon it or on
any of its properties or assets or in respect of any of its franchises,
business, income or property when finally due and payable, and (b) all material
claims (including, without limitation, claims for labor, services, materials and
supplies) for sums, material in the aggregate to the Borrower or any such
Subsidiary, as the case may be, which have become due and payable and which by
law have or may become a Lien (other than a Customary Permitted Lien) upon any
of the Borrower's or such Subsidiary's properties or assets, prior to the time
when any penalty or fine shall be incurred with respect thereto; PROVIDED that
no such taxes, assessments and governmental charges referred to in CLAUSE (a)
above or claims referred to in CLAUSE (b) above need be paid if being contested
in good faith by appropriate proceedings and if adequate reserves, if required,
shall have been accrued therefor in accordance with GAAP.

          SECTION 5.05.  INSPECTION OF PROPERTY; BOOKS AND RECORDS.  The
Borrower shall permit, and shall cause each of its Material Subsidiaries to
permit, any authorized representative(s) designated by the Agent or any Lender
to visit and inspect any of its properties or the properties of any of its
Subsidiaries, including their financial and accounting records, and to make
copies and take extracts therefrom, and to discuss their affairs, finances and
accounts with their officers, employees, representatives, agents or independent
certified public accountants, all at such times during normal business hours and
as often as may be reasonably requested.  Each such visitation and inspection by
or on behalf of the Agent shall be at the Borrower's expense.  The Borrower
will, and will cause each of its Subsidiaries to, keep proper books of record
and account in which entries in conformity with GAAP shall be made of all
dealings and transactions in relation to their businesses and activities.

          SECTION 5.06. ERISA.  The Borrower shall comply in all material
respects with the applicable provisions of ERISA and (b) furnish to the Agent
and each Lender (I) as soon as possible, and in any event within 30 days after
any Responsible Officer of the Borrower or any ERISA Affiliate either knows or
has reason to know that any Reportable Event has occurred that alone or together
with any other Reportable Event could reasonably be expected to result in
liability of the Borrower to the PBGC in an aggregate amount exceeding
$5,000,000, a statement of a Financial Officer of the Borrower setting forth
details as to such Reportable Event and the action proposed to be taken with
respect thereto, together with a copy of the notice, if any, of such Reportable
Event given to the PBGC, (ii) promptly after receipt thereof, a copy of any
notice the Borrower or any ERISA Affiliate may receive from the PBGC relating to
the intention of the PBGC to terminate any Plan or Plans (other than a Plan
maintained by an ERISA Affiliate which is considered an ERISA Affiliate only
pursuant to subsection (m) or (o) of Section 414 of the Internal Revenue Code)
or to appoint a trustee to administer any Plan or Plans, (iii) within 10
Business Days after the due date for filing with the PBGC pursuant to Section
412(n) of the Internal Revenue Code of a notice of failure to make a required
installment or other payment with respect to a Plan, a statement of a Financial
Officer of the Borrower setting forth details as to such failure and the action
proposed to be taken with respect thereto,


                                      -43-
<PAGE>

together with a copy of such notice given to the PBGC and (iv) promptly and in
any event within 30 days after receipt thereof by the Borrower or any ERISA
Affiliate from the sponsor of a Multiemployer Plan, a copy of each notice
received by the Borrower or any ERISA Affiliate concerning (A) the imposition of
withdrawal liability or (B) a determination that a Multiemployer Plan is, or is
expected to be, terminated or in reorganization, in each case within the meaning
of Title IV of ERISA.

          SECTION 5.07.  FINANCIAL STATEMENTS.  The Borrower and each of its
Material Subsidiaries shall maintain or cause to be maintained a system of
accounting established and administered in accordance with sound business
practices and consistent with past practice to permit preparation of financial
statements in conformity with GAAP, and each of the financial statements
described below shall be prepared from such system and records.  The Borrower
shall deliver or cause to be delivered to each of the Lenders, the items
described below:

          (a)  As soon as practicable, and in any event within forty-five (45)
days after the end of each fiscal quarter in each Fiscal Year, the consolidated
balance sheet, consolidated statement of income and consolidated statement of
cash flow for such fiscal quarter.  The Borrower shall also provide at such
times the consolidating balance sheet of the Borrower and its Subsidiaries as at
the end of such fiscal quarter and the consolidating statement of income of the
Borrower and its Subsidiaries for such fiscal quarter and for the period from
the beginning of the current Fiscal Year to the end of such fiscal quarter.
These statements shall all be in reasonable detail and certified by a Financial
Officer that they fairly present in all material respects the financial
condition and results of operations of, and changes in financial position for,
the Borrower and its Subsidiaries as at the dates and for the periods indicated,
subject to changes resulting from audit and normal year-end adjustment;

          (b)  As soon as practicable, and in any event within ninety (90) days
after the end of each Fiscal Year, the same consolidated and consolidating
balance sheet and statement of income, and the same consolidated statement of
cash flow of the Borrower and its Subsidiaries as described in CLAUSE (a) above.
These statements shall all be in reasonable detail and accompanied by a report
thereon of Arthur Andersen & Co. or other independent certified public
accountants of recognized national standing satisfactory to the Requisite
Lenders, which report shall be unqualified and shall state that such
consolidated financial statements present fairly in all material respects the
financial position of the Borrower and its Subsidiaries as at the dates
indicated and the results of their operations and changes in their financial
position for the periods indicated in conformity with GAAP applied on a basis
consistent with prior years (or, in the event of a change in accounting
principles, such accountants' concurrence with such change) and that the
examination by such accountants in connection with such consolidated financial
statements has been made in accordance with generally accepted auditing
standards;

          (c)  Simultaneously with the delivery of the financial statements
referred to in CLAUSE (b) above, a statement of the firm of independent
certified public accountants which reported on the financial statements included
therein that nothing has come to their attention to cause such independent
certified public accountants to believe that such financial statements are
inaccurate, and simultaneously with the delivery of the financial statements
referred to in CLAUSES (a) and (b) above, a certificate of a Financial Officer
of the Borrower (A) certifying that no Event of Default or Potential Event of
Default has occurred or, if such an Event of Default or Potential Event of
Default has occurred, specifying the nature and extent thereof and any
corrective action taken or proposed to be taken with respect thereto, and (B)
setting forth computations in reasonable detail satisfactory to the Agent
demonstrating compliance with the covenants contained in SECTIONS 6.01 through
6.04, 6.06, and 6.08 through 6.10;


                                      -44-
<PAGE>

          (d)  As soon as available, copies of any management reports prepared
by the Borrower's independent certified public accountants in connection with
the annual audit;

          (e)  As soon as available, copies of (i) all reports, proxy statements
and other statements or schedules that have been filed with the Commission under
the Securities Exchange Act by the Borrower or any of its Subsidiaries (except
reports filed pursuant to Section 16(a) of the Securities Exchange Act), (ii)
all registration statements and prospectuses that have been filed by the
Borrower or any of its Subsidiaries with the Commission under the Securities
Act, except those on Form S-8 and Form 11-K, (iii) all reports and other
information that has been disseminated generally to holders of any class of the
Borrower's publicly traded equity or debt securities, and (iv) all press
releases made available generally by the Borrower or any of its Subsidiaries to
the public concerning material developments in the business of the Borrower or
any such Subsidiary; and

          (f)  Such other information respecting the Borrower's or any of its
Subsidiaries' business or condition (financial or otherwise), operations,
performance or properties as any Lender (through the Agent) may, from time to
time, reasonably request.  The Borrower authorizes the Agent to communicate
directly with its independent certified public accountants and authorizes such
accountants, in accordance with procedures reasonably satisfactory to such
accountants, to disclose to the Agent any and all financial statements and other
information of any kind, including copies of any management letter or the
substance of any oral information, that such accountants may have with respect
to the Borrower's or any such Subsidiary's condition (financial or otherwise),
operations, properties and performance.  The Agent shall provide the Borrower
with a copy of any written request for information submitted to such
accountants.  The Agent and the Lenders shall treat any non-public information
so obtained as confidential.  Prior to the Closing Date, the Borrower shall have
delivered a letter addressed to such accountants instructing them to disclose
such information in compliance with this SECTION 5.07(f), and the Borrower prior
to the end of each Fiscal Year shall deliver a letter addressed to such
accountants notifying them that the Lenders will be relying on the financial
statements audited by such accountants and delivered to the Lenders pursuant to
SECTION 5.07(b).

          SECTION 5.08.  DEFAULT AND MATERIAL ADVERSE EFFECT.  Promptly upon the
Borrower obtaining knowledge of (i) any condition or event which constitutes an
Event of Default or Potential Event of Default, or becoming aware that any
Lender has given any notice with respect to a claimed Event of Default or
Potential Event of Default under this Agreement, or (ii) any condition or event
which would have a Material Adverse Effect, a certificate of a Financial Officer
specifying the nature and period of existence of any such condition or event, or
specifying the notice given by such Lender and the nature of such claimed
default, Event of Default, Potential Event of Default, event or condition, and
what action the Borrower and/or any of its Subsidiaries have taken, are taking
and propose to take with respect thereto.

          SECTION 5.09.  PLEDGE OF STOCK OF DOMESTIC MATERIAL SUBSIDIARY.  The
Borrower agrees that until such time as its senior public debt is rated
Investment Grade, it will immediately pledge, or cause to be pledged, to the
Collateral Trustee all shares of stock of any direct or indirect domestic
Subsidiary of the Borrower, whether formed or acquired after the Closing Date or
otherwise, at the time such Subsidiary becomes a Material Subsidiary.

                                   ARTICLE VI
                               NEGATIVE COVENANTS

          The Borrower covenants and agrees that, on and after the Closing Date
and so long as any Lender shall have any Commitment hereunder and until payment
in full of all of the Obligations (other than any contingent indemnity
Obligations arising pursuant to SECTION 2.16, 2.18, 2.22 or 9.05), unless the


                                      -45-
<PAGE>

Requisite Lenders (except as otherwise provided below) shall otherwise give
prior written consent:

          SECTION 6.01.  DEBT.  (a)  Neither the Borrower nor any of its
Subsidiaries shall directly or indirectly create, incur, assume or otherwise
become or remain directly or indirectly liable with respect to, any Debt, the
incurrence of which would cause the Borrower to violate the financial covenants
set forth in SECTION 6.09.

          (b) Neither the Borrower nor any of its domestic Subsidiaries shall at
any time permit the sum of (i) all Debt secured by Liens PLUS, without
duplication, (ii) all Debt of all of its domestic Subsidiaries to exceed
$125,000,000.

          (c) Until such time as the Borrower's senior public debt is rated
Investment Grade, neither the Borrower nor any of its Subsidiaries shall at any
time permit the sum of (i) all Debt secured by Liens PLUS, without duplication,
(ii) all Debt of all of its Subsidiaries to exceed $225,000,000.

          (d) Notwithstanding anything to the contrary contained in PARAGRAPHS
(b) and (c) of this SECTION 6.01, the following Debt of the Borrower and its
Subsidiaries shall not be prohibited and shall not be included in calculating
the levels of permitted Debt under such PARAGRAPHS (b) and (c):

          (i) Debt incurred under this Agreement and Debt existing on the
     Closing Date identified on SCHEDULE 6.01;

          (ii) Permitted Refinancing Debt;

          (iii) Debt which is outstanding under Investor Certificates (as such
     term is defined in the Pooling and Servicing Agreement) up to an aggregate
     principal balance of $175,000,000 (it being understood that the portion of
     any such Investor Certificates having an aggregate principal amount in
     excess of $175,000,000 shall be subject to the limitation described in
     PARAGRAPH (b) above); and

          (iv) Debt of the Borrower to any of its Subsidiaries, Debt of any
     Subsidiary to the Borrower and Debt of any Subsidiary to any other
     Subsidiary.

          SECTION 6.02.  SALES OF ASSETS.  Neither the Borrower nor any of its
Material Subsidiaries shall sell, assign, transfer, lease, convey or otherwise
dispose of any properties or assets or any group of properties or assets,
whether now owned or hereafter acquired, or any income or profits therefrom,
except:

          (I)  any sales of assets occurring in the ordinary course of
     business of the Borrower and its Material Subsidiaries;

          (ii)  the sale of equipment by the Borrower or any of its
     Material Subsidiaries to the extent that such equipment is traded in
     for credit against the purchase price of similar replacement equipment
     or that the proceeds of such sale are reasonably promptly applied to
     the purchase price of such replacement equipment;

          (iii)  the sale by the Borrower or any of its Material
     Subsidiaries of obsolete equipment;

          (iv)  any Sale and Lease-Back Transaction permitted under
     SECTION 6.06;


                                      -46-
<PAGE>

          (v)  the transfer of accounts and related assets pursuant to the
     Receivables Purchase Agreements and the Pooling and Servicing Agreement;

          (vi) any sale of any assets by the Borrower or any of its Material
     Subsidiaries not described in clauses (I) through (v) above, PROVIDED, that
     at least 70% of the proceeds of any such sale shall consist of cash, Cash
     Equivalents, and/or the assumption by the purchaser of liabilities;
     PROVIDED, FURTHER, that the proceeds of any such sale received by the
     Borrower or any Material Subsidiary (x) from any such individual sale or
     related group of sales does not exceed $25,000,000 and (y) from all such
     sales in any Fiscal Year of the Company does not exceed an aggregate amount
     of $50,000,000;

          (vii) any sale of assets described on SCHEDULE 6.02 attached hereto;

          (viii) any sale or license of patents, trademarks, registrations
     therefor and other similar intellectual property occurring outside the
     ordinary course of business; and

          (ix) any sale or other transfer of assets between the Borrower and any
     of its Subsidiaries, or between any of the Borrower's Subsidiaries;
     PROVIDED, HOWEVER, that no Material Subsidiary may sell or otherwise
     transfer all or a substantial part of its assets, whether in one
     transaction or in a series of related transactions, to any other
     Subsidiary, unless after giving effect to such sale or transfer the
     transferee of such assets constitutes a Material Subsidiary.

          SECTION 6.03.  LIENS.  Neither the Borrower nor any of its Material
Subsidiaries shall directly or indirectly create, incur, assume or permit to
exist any Lien on or with respect to any of their Property or assets except the
following (each, a "PERMITTED LIEN):

          (i)  Liens governed by the Collateral Trust Agreement;

          (ii)  any interest or title of a lessor or secured by a lessor's
     interest under any lease permitted by this Agreement (including any
     related precautionary UCC financing statements filed in connection
     therewith);

          (iii)  to the extent any Operating Lease existing on the Closing
     Date is reclassified as a Capital Lease;

          (iv)  Liens existing on the Closing Date and identified in
     SCHEDULE 6.03;

          (v)  Customary Permitted Liens;

          (vi)  Liens with respect to judgments or attachments or arising
     in connection with court proceedings which do not result in an Event
     of Default or Potential Event of Default hereunder;

          (vii)  Liens securing Debt permitted pursuant to SECTION 6.01;

          (viii)  Liens arising under Section 302(f) of ERISA or Section
     412(n) of the Internal Revenue Code where the delinquent contribution
     which gave rise to the Lien is paid within thirty (30) days of its
     original due date;

          (ix)  Liens securing the reimbursement obligations under any Letter of
     Credit which is drawable upon presentation of documents evidencing the sale
     or shipment of goods purchased by the Borrower or any of its Subsidiaries
     in the ordinary course of its business (a


                                      -47-
<PAGE>

     "COMMERCIAL LETTER OF CREDIT"), if such Lien attaches only to (A) cash
     collateral or (B) the goods acquired through the issuance of such
     Commercial Letter of Credit;

          (x)  Liens consisting of purchase money security interests of
     suppliers with respect to office equipment supplied in the ordinary course
     of business, which Liens have not been perfected by the taking of
     possession of collateral and, unless the applicable Debt has been paid in
     full, which have not been in existence more than ninety (90) days.

          (xi) Liens arising in connection with the the transfer of accounts and
     related assets pursuant to the Pooling and Servicing Agreement and the
     Receivables Purchase Agreements.

          SECTION 6.04.  INVESTMENTS.  Until such time as the Borrower's senior
public debt is rated Investment Grade, neither the Borrower nor any of its
Material Subsidiaries shall directly or indirectly make or own any Investment in
any Person except:

          (i)  Investments in Cash Equivalents;

          (ii)  Investments existing on the Closing Date and identified on
     SCHEDULE 6.04;

          (iii)  Investments in its domestic Material Subsidiaries;

          (iv)  Investments in its Subsidiaries in existence on the Closing
     Date (other than its Material Subsidiaries); PROVIDED, HOWEVER, that
     from and after the Closing Date, neither the Borrower nor any of its
     Material Subsidiaries shall make any Investment pursuant to this
     CLAUSE (iv) in any such Subsidiary which involves a transfer by the
     Borrower or such Material Subsidiary, as the case may be, of cash or
     other property of the Borrower or such Material Subsidiary;

          (v)  Investments which constitute Debt permitted pursuant to SECTION
     6.01 and SECTION 6.08;

          (vi) Investments in any Person made with the proceeds of any dividend
     or other distribution from such Person to the Borrower or Material
     Subsidiary making such Investment; and

          (vii) other Investments in an aggregate amount not to exceed
     $175,000,000 MINUS the aggregate amount paid by CGC for the purchase of its
     publicly-traded capital stock.

          SECTION 6.05.  RESTRICTION ON FUNDAMENTAL CHANGES.  Neither the
Borrower nor any of its Material Subsidiaries shall enter into any merger or
consolidation, or liquidate, wind-up or dissolve (or suffer any liquidation or
dissolution), or convey, lease, sell, transfer or otherwise dispose of, in one
transaction or in a series of related transactions, all or any substantial part
(to the extent not otherwise permitted in this Agreement) of its business,
property or assets, whether now existing or hereafter acquired; unless: (i) the
Borrower shall be the surviving corporation, or (ii) the successor entity which
acquires the Borrower or its assets shall expressly assume all obligations of
the Borrower hereunder and, in either case, (iii) after such merger,
consolidation, sale, lease or conveyance, (x) the Borrower or such successor
entity shall not be in default hereunder and (y) on a consolidated pro forma
basis giving effect to such transaction, any Person of which the Borrower shall
be a subsidiary (A) would have been in compliance with SECTION 6.09 as of the
most recent fiscal quarter end and (B) would be permitted to incur an additional
$1 of Debt under Section 6.01, in each case with all references to the Borrower
in SECTION 6.01 or 6.09 or in the definitions of the terms employed therein
being deemed references to such other Person, as the case may be; PROVIDED,
HOWEVER, that notwithstanding the


                                      -48-
<PAGE>

foregoing, at any time a Subsidiary of the Borrower may merge with and into the
Borrower, or merge with and into or consolidate with another of the Borrower's
Subsidiaries.

          SECTION 6.06.  SALES AND LEASE-BACK.  Neither the Borrower nor any of
its Material Subsidiaries shall become liable, directly or by way of a
Guarantee, with respect to any lease, whether or not such lease is a Capital
Lease, of any property (whether real or personal or mixed) whether now owned or
hereafter acquired, which the Borrower or any of its Subsidiaries has sold or
transferred or is to sell or transfer to any other Person (a "SALE AND LEASE-
BACK TRANSACTION"); PROVIDED that the Borrower or a Subsidiary may enter into
any Sale and Lease-Back Transaction if (a) at the time of such Sale and Lease-
Back Transaction no Event of Default shall have occurred and be continuing, and
(b) the proceeds from the sale of the subject property shall be at least equal
to 80% of its fair market value.

          SECTION 6.07.  RESTRICTIONS ON ABILITY OF MATERIAL SUBSIDIARIES TO
DECLARE DIVIDENDS.  The Borrower shall not permit any of its Material
Subsidiaries to enter into any agreements (other than the Collateral Trust
Agreement) with any other Person or Persons the effect of which would be to
restrict, directly or indirectly, the ability of such Material Subsidiary to
declare and pay dividends, other than any agreement that indirectly restricts
the declaration and payment of dividends solely through the inclusion of a net
worth covenant.

          SECTION 6.08.  DIVIDENDS, DISTRIBUTIONS AND PREPAYMENTS. Until such
time as the Borrower's senior public debt is rated Investment Grade, neither the
Borrower nor any of its Material Subsidiaries shall (i) declare or pay, directly
or indirectly, any dividend, repurchase or redeem any shares of its capital
stock, or make any other distribution (by reduction of capital or otherwise),
whether in cash, property, securities or a combination thereof, with respect to
any shares of its capital stock, or (ii) prepay, defease, acquire for value or
exchange for any subordinated Debt, except as otherwise required pursuant to the
terms of the agreements governing such subordinated Debt as in existence on and
as of the Closing Date (except that the foregoing shall not prohibit prepayment
of Obligations to the extent permitted by this Agreement) (the foregoing
transactions being collectively called "RESTRICTED PAYMENTS"); PROVIDED, that
(a) the Borrower may declare and pay dividends payable solely in shares of its
common stock, (b) any Subsidiary of the Borrower may make Restricted Payments to
the Borrower or another Subsidiary of the Borrower, (c) the Borrower may make
Restricted Payments under employee equity incentive plans and (d) the Borrower
may make additional Restricted Payments of cash and securities of the Borrower
(each, an "ADDITIONAL RESTRICTED PAYMENT") so long as immediately after giving
effect to any such proposed Additional Restricted Payment, (x) no Event of
Default shall have occurred and be continuing and (y) the aggregate amount of
all such Additional Restricted Payments made on or after the Closing Date shall
not exceed the sum of (i) $175,000,000 MINUS the aggregate amount invested by
the Borrower and all of its Material Subsidiaries (other than CGC, if CGC is a
Material Subsidiary) from and after the Closing Date in connection with the
purchase of CGC's publicly-traded capital stock, (ii) 100% of the proceeds
received by the Borrower from and after the Closing Date from capital
contributions or from the issuance or sale of stock, convertible securities or
convertible debt, and (iii) 50% of Consolidated Net Income (or, if Consolidated
Net Income shall be a deficit, minus 100% of such deficit) for the period
beginning on the first day following the end of the fiscal quarter during which
the Closing Date occurs, and ending on the last day of the most recent fiscal
quarter for which financial statements shall have been delivered pursuant to
SECTION 5.07 (taken as a single accounting period).  For purposes of CLAUSE (d)
above, each Additional Restricted Payment made in securities of the Borrower
shall be valued at the fair market value of such securities at the time such
Additional Restricted Payment is made.


                                      -49-
<PAGE>

          SECTION 6.09.  FINANCIAL COVENANTS.  The Borrower shall not permit:

          (a)  MAXIMUM DEBT/EBITDA RATIO.  The Debt/EBITDA Ratio for the twelve-
month period ending with the last day of any fiscal quarter in any Fiscal Year
to exceed 4.50 to 1.00.

          (b)  MINIMUM INTEREST COVERAGE RATIO.  The Interest Coverage Ratio for
the twelve-month period ending with the last day of any fiscal quarter in any
Fiscal Year to be less than 2.25 to 1.00.

          SECTION 6.10.  NO MORE RESTRICTIVE COVENANTS.  Neither the Borrower
nor any Material Subsidiary of the Borrower shall permit the financial covenants
(which require the maintenance or satisfaction of financial performance tests
and are of the nature that, if breached, would result in an event of default) or
events of default (excluding a breach of a covenant which is not a financial
covenant as described above) contained in any debt agreement relating to a
principal amount in excess of $25,000,000, as the same may be amended, restated,
supplemented or otherwise modified at any time and from time to time, in the
reasonable and good faith determination of the Borrower, to be more restrictive
than the financial covenants contained in this Agreement, unless the Lenders are
afforded the benefit of such more restrictive covenant or event of default;
PROVIDED, that if the Lenders shall be afforded the benefit of any such more
restrictive covenant or event of default, such benefit shall cease upon the
termination of the debt agreement containing such more restrictive covenant or
event of default.

          SECTION 6.11.  ACQUISITIONS.  From and after the Closing Date, neither
the Borrower nor any Material Subsidiary of the Borrower shall purchase or
otherwise acquire, directly or indirectly, (I) a controlling interest of the
issued and outstanding shares of capital stock or other equity interest of any
Person or (ii) all or substantially all of the assets of such Person, unless the
primary business of such Person, its Subsidiaries and its controlled Affiliates
(taken as a whole) is within or is related to the building materials industry.


                                   ARTICLE VII
                     EVENTS OF DEFAULT; RIGHTS AND REMEDIES

          SECTION 7.01.  EVENTS OF DEFAULT.  Each of the following occurrences
shall constitute an Event of Default under this Agreement:

          (a)  FAILURE TO MAKE PRINCIPAL PAYMENTS WHEN DUE.  The Borrower shall
fail to pay when due any principal on any Loan.

          (b)  FAILURE TO MAKE OTHER PAYMENTS WHEN DUE.  The Borrower shall fail
to pay when due any interest, fee or other amount payable under this Agreement
(other than principal on any Loan) and, with respect to which such failure shall
continue unremedied for five (5) Business Days.

          (c)  BREACH OF REPRESENTATION OR WARRANTY.  Any representation or
warranty made or deemed made by the Borrower to the Agent, any Issuing Bank or
any Lender herein or in any of the other Loan Documents or in any statement or
certificate at any time given by the Borrower or any of its Subsidiaries
pursuant to any of the Loan Documents shall be untrue in any material respect on
the date as of which made or deemed made.

          (d)  BREACH OF FINANCIAL COVENANTS.  The Borrower shall fail to
perform or observe the financial covenants contained in SECTION 6.09.

          (e)  BREACH OF OTHER TERMS.  The Borrower or any Material Subsidiary
of the Borrower shall default in the performance of or compliance with any
material term contained in this Agreement or in any of the Loan


                                      -50-
<PAGE>

Documents or any default or event of default shall occur under any of the
Collateral Documents (other than as covered by subsection (a) through (d) above
or by subsection (k) below), and such default or event of default shall continue
for twenty (20) days after the Borrower receives written notice from the Agent
of the occurrence of such default or event of default.

          (f)  DEFAULT AS TO OTHER INDEBTEDNESS.  The Borrower or any Material
Subsidiary of the Borrower shall fail to make any payment when due (whether by
scheduled maturity, required prepayment, acceleration, demand or otherwise) on
any Debt, other than with respect to the Obligations, if the aggregate amount of
such Debt is twenty-five million dollars ($25,000,000) or more; or any breach,
default or event of default shall occur, or any other event shall occur or
condition shall exist, under any instrument, agreement or indenture pertaining
thereto, and shall continue after the applicable grace period, if any, specified
in such instrument, agreement or indenture, if the aggregate amount of such Debt
is twenty-five million dollars ($25,000,000) or more and if the effect thereof
(with or without the giving of notice or lapse of time or both) is to
accelerate, or permit the holder(s) of such Debt (or any Person on behalf of
such holders) to accelerate, the maturity of any such Debt; or any such Debt
shall be declared in accordance with the terms of the underlying agreement to be
due and payable or required to be prepaid (other than by a regularly scheduled
required prepayment prior to the stated maturity thereof).

          (g)  INVOLUNTARY BANKRUPTCY; APPOINTMENT OF RECEIVER, ETC.
               (I)  An involuntary case shall be commenced against the Borrower
     or any of its Material Subsidiaries, and the petition shall not be
     dismissed within sixty (60) days after commencement of the case, or a court
     having jurisdiction in the premises shall enter a decree or order for
     relief in respect of the Borrower or any of its Material Subsidiaries, in
     an involuntary case, under any applicable bankruptcy, insolvency or other
     similar law now or hereafter in effect; or any other similar relief shall
     be granted under any applicable federal, state or foreign law.

               (ii)  A decree or order of a court having jurisdiction in the
     premises for the appointment of a receiver, liquidator, sequestrator,
     trustee, custodian or other officer having similar powers over the Borrower
     or any of its Material Subsidiaries, or over all or a substantial part of
     the property of the Borrower or any of its Material Subsidiaries, shall be
     entered; or an interim receiver, trustee or other custodian of the Borrower
     or any of its Material Subsidiaries or of all or a substantial part of the
     property of the Borrower or any of its Material Subsidiaries shall be
     appointed or a warrant of attachment, execution or similar process against
     any substantial part of the property of the Borrower or any of its Material
     Subsidiaries shall be issued and any such event shall not be stayed,
     vacated, dismissed, bonded or discharged within sixty (60) days of entry,
     appointment or issuance.

          (h)  VOLUNTARY BANKRUPTCY; APPOINTMENT OF RECEIVER, ETC.  The Borrower
or any of its Material Subsidiaries shall have an order for relief entered with
respect to it or commence a voluntary case under any applicable bankruptcy,
insolvency or other similar law now or hereafter in effect, or shall consent to
the entry of an order for relief in an involuntary case, or to the conversion of
an involuntary case to a voluntary case, under any such law, or shall consent to
the appointment of or taking of possession by a receiver, trustee or other
custodian for it or for all or a substantial part of its property; the Borrower
or any of its Material Subsidiaries shall make any assignment for the benefit of
creditors; or the board of directors (or any committee thereof) of the Borrower
or any of the Material Subsidiaries adopts any resolution or otherwise
authorizes any action to approve any of the foregoing.


                                      -51-
<PAGE>

          (I)  JUDGMENTS AND ATTACHMENTS.  Any money judgment (other than a
money judgment to the extent covered by insurance, but only if the insurer has
not denied coverage with respect to such money judgment), writ or warrant of
attachment, or similar process involving in any case an amount in excess of
twenty-five million dollars ($25,000,000) shall be entered or filed against the
Borrower or any of its Material Subsidiaries, or any of their respective assets
by a court of competent jurisdiction and shall remain undischarged, unvacated,
unbonded or unstayed for a period ending on the first to occur of (I) the last
day on which such order, judgment or decree becomes final and unappealable or
(ii) sixty (60) days.

          (j)  DISSOLUTION.  Any order, judgment or decree shall be entered
against the Borrower or any of its Material Subsidiaries decreeing its
involuntary dissolution or split up and such order shall remain undischarged and
unstayed for a period in excess of thirty (30) days.

          (k)  COLLATERAL DOCUMENTS; FAILURE OF SECURITY.  For any reason other
than in connection with the release of the Collateral Trustee's Lien on the
capital stock of the domestic Material Subsidiaries as contemplated by
SECTION 9.07, (I) any Collateral Document ceases to be in full force and effect
or any Lien intended to be created thereby ceases to be or is not valid and
perfected; or any Lien in favor of the Collateral Trustee; (ii) any Obligations
contemplated by this Agreement or any Collateral Document shall, at any time, be
invalidated or otherwise cease to be in full force and effect; (iii) any such
Lien or any Obligation shall be subordinated or shall not have the priority
contemplated by this Agreement or the Collateral Documents for any reason other
than as set forth in this PARAGRAPH (k); or (iv) the Borrower or any Subsidiary
of the Borrower shall institute any action seeking a determination of any of the
foregoing.

          (l)  CHANGE IN CONTROL.  Any Person (other than the Borrower or any
Subsidiary of the Borrower) shall purchase or otherwise acquire directly or
indirectly beneficial ownership of the Borrower's common stock on or after the
Closing Date, and immediately after such purchase or acquisition such Person and
its Affiliates and "Associates" (as defined below) shall directly or indirectly
beneficially own in the aggregate 50% or more of the Borrower's common stock
then outstanding.  For purposes of this SECTION 7.01(l), (I) "beneficial
ownership" shall be determined in accordance with Rule 13d-3 (or any successor
rule) of the Commission under the Securities Exchange Act; PROVIDED, HOWEVER,
that any employee benefit plan of the Borrower or a trustee or other Person
holding common stock for or pursuant to the terms of any such plan shall not be
deemed to have beneficial ownership of such common stock so long as each
participant in such plan has the right to direct the trustee or other Person
(A) to vote the common stock held by such plan for his or her benefit and (B) to
tender such common stock in the event of a tender offer for common stock; and
(ii) "ASSOCIATE" shall mean, with respect to any Person, (A) an officer,
employee or partner of such Person, (B) a trust or other estate in which such
Person has a substantial beneficial interest or as to which such Person serves
as trustee or in a similar fiduciary capacity, or (c) a relative or spouse of
such Person, or a relative of such spouse, who has the same home as such Person.

          (m)  ERISA LIABILITIES.  Any Termination Event occurs which will or is
reasonably likely to subject either the Borrower or an ERISA Affiliate to a
liability which would have a Material Adverse Effect, or, the plan administrator
of any Benefit Plan applies for and receives approval under Section 412(d) of
the Internal Revenue Code for a waiver of the minimum funding standards of
Section 412(a) of the Internal Revenue Code and the business hardship upon which
the Section 412(d) waiver was based will or is reasonably likely to subject
either the Borrower or an ERISA Affiliate to a liability which would have a
Material Adverse Effect.

          (n)  ENVIRONMENTAL LIABILITIES.  The Borrower or any of its
Subsidiaries shall become subject to any Liabilities and Costs arising out of


                                      -52-
<PAGE>

or related to (a) the Release or threatened Release at any location of any
Contaminant into the environment, or any Remedial Action in response thereto, or
(b) any violation of any environmental, health or safety Requirements of Law,
which Liabilities and Costs, individually or in the aggregate, would have a
Material Adverse Effect.  "REMEDIAL ACTION" shall mean any action required to
(I) clean up, remove or treat or in any other way address Contaminants in the
indoor or outdoor environment; (ii) prevent a Release or threat of Release or
minimize the further Release of Contaminants so they do not migrate or endanger
or seriously threaten to endanger public health or welfare or the indoor or
outdoor environment; or (iii) perform pre-remedial studies and investigations or
post-remedial monitoring and care.

          (o) BREACH AS TO HEDGING AGREEMENTS.  (i) The Borrower or any Material
Subsidiary shall have defaulted under one or more Interest Rate Contracts or any
other contract providing interest rate, currency or commodity hedging or
protection between the Borrower or such Material Subsidiary and any Lender or
any Affiliate thereof, (ii) the sum of required liquidation or termination
payments under all such defaulted agreements exceeds $5,000,000, and (iii) all
of such payments shall not have been made within the period or periods provided
in such agreement or agreements.

An Event of Default shall be deemed "continuing" until cured or waived in
writing in accordance with SECTION 9.09.

          7.02.  RIGHTS AND REMEDIES.

          (a)  ACCELERATION.  Upon the occurrence of any Event of Default
described in the foregoing SECTION 7.01(g) or 7.01(h), all Commitments shall
automatically and immediately terminate and the unpaid principal amount of and
any and all accrued interest on the Loans, all Obligations in respect of LC
Exposure and all accrued Commitment Fees and all other fees payable hereunder
shall automatically become immediately due and payable by the Borrower, with all
additional interest from time to time accrued thereon and without presentment,
demand, or protest or other requirements of any kind (including, without
limitation, valuation or appraisal, diligence, presentment or notice of intent
to demand or accelerate or of acceleration), all of which are hereby expressly
waived by the Borrower, and the obligation of each Lender to make any Revolving
Loan hereunder or each Issuing Bank to issue or each Lender to participate in
any additional Letter of Credit shall thereupon terminate; and upon the
occurrence and during the continuance of any other Event of Default, by written
notice to the Borrower, the Agent shall, at the request, or may with the
consent, of the Requisite Lenders, (I) declare that the Commitments are
terminated, whereupon the Commitments and the obligation of each Lender to make
any Revolving Loan hereunder, or each Issuing Bank to issue or each Lender to
participate in any additional Letter of Credit shall immediately terminate,
and/or (ii) declare the unpaid principal amount of and any and all accrued and
unpaid interest on the Loans to be, and the same shall thereupon be, immediately
due and payable with all additional interest from time to time accrued thereon
and without presentment, demand, or protest or other requirements of any kind
(including, without limitation, valuation or appraisal, diligence, presentment
or notice of intent to demand or accelerate or of acceleration), all of which
are hereby expressly waived by the Borrower.

          (b)  CASH COLLATERAL.  In addition, following the occurrence of any
Event of Default, the Borrower shall, upon the request of an Issuing Bank,
promptly deposit with the Agent for the benefit of the Lenders and such Issuing
Bank, in connection with an extension of the expiry date of any Letters of
Credit issued by such Issuing Bank, cash or Cash Equivalents in an amount up to
the greatest amount for which such Letters of Credit may be drawn.  Such deposit
shall be held by the Agent for the benefit of the Lenders and the Issuing Banks,
as security for, and to provide for the payment of, LC Obligations.  The
Borrower hereby grants to the Agent, for the benefit of the Lenders and the
Issuing Banks, a lien and security interest in all such sums held by the Agent.


                                      -53-
<PAGE>

          (c)  RESCISSION.  If at any time after acceleration of the maturity of
the Loans, the Borrower shall pay all arrears of interest and all payments on
account of principal of the Loans and LC Obligations which shall have become due
otherwise than by acceleration (with interest on principal and, to the extent
permitted by law, on overdue interest, at the rates specified in this Agreement)
and all Events of Default and Potential Events of Default (other than nonpayment
of principal of and accrued interest on the Loans and the Notes and with respect
to Letters of Credit, due and payable solely by virtue of acceleration) shall be
remedied or waived pursuant to SECTION 9.09, then by written notice to the
Borrower, the Requisite Lenders may elect, in the sole discretion of such
Requisite Lenders, to rescind and annul the acceleration and its consequences;
but such action shall not affect any subsequent Event of Default or Potential
Event of Default or impair any right or remedy consequent thereon.  The
provisions of the preceding sentence are intended merely to bind the Lenders to
a decision which may be made at the election of the Requisite Lenders; they are
not intended to benefit the Borrower and do not give the Borrower the right to
require the Lenders to rescind or annul any acceleration hereunder, even if the
conditions set forth herein are met.


                            ARTICLE VIII.  THE AGENT

          SECTION 8.01.  APPOINTMENT.  In order to expedite the transactions
contemplated by this Agreement, Chemical Bank is hereby appointed to act as
Agent on behalf of the Lenders and the Issuing Banks.  Each of the Lenders and
the Issuing Banks hereby irrevocably authorizes the Agent to take such actions
on its behalf and to exercise such powers as are specifically delegated to the
Agent by the terms and provisions hereof and of the other Loan Documents,
together with such actions and powers as are reasonably incidental thereto.  The
Agent is hereby expressly authorized by the Lenders and the Issuing Banks,
without hereby limiting any implied authority, and the Agent hereby agrees, (a)
to receive on behalf of the Lenders and the Issuing Banks all payments of
principal of and interest on the Loans and the LC Disbursements and all other
amounts due to the Lenders and the Issuing Banks hereunder, and promptly to
distribute to each Lender and Issuing Bank its proper share of each payment so
received; (b) to give notice on behalf of each of the Lenders to the Borrower of
any Event of Default specified in this Agreement of which the Agent has actual
knowledge acquired in connection with its agency hereunder; and (c) to
distribute to each Lender and Issuing Bank copies of all notices, financial
statements and other materials delivered by the Borrower pursuant to this
Agreement as received by the Agent.

          SECTION 8.02.  NATURE OF DUTIES.  The Agent shall not have any duties
or responsibilities except those expressly set forth in this Agreement or in the
other Loan Documents.  The Agent's duties shall be mechanical and administrative
in nature.  The Agent shall not have by reason of this Agreement a fiduciary
relationship in respect of any Lender or any Issuing Bank.  Nothing in this
Agreement or any of the other Loan Documents, expressed or implied, is intended
to or shall be construed to impose upon the Agent any obligations in respect of
this Agreement or any of the other Loan Documents except as expressly set forth
herein or therein.  With respect to the taking or refraining from taking any
action hereunder, if the Agent seeks the consent or approval of the Requisite
Lenders, the Agent shall send notice thereof to each Lender.  The Agent shall
promptly notify each Lender at any time that the Requisite Lenders or, where
expressly required, all of the Lenders, have instructed the Agent to act or
refrain from acting pursuant hereto.

          SECTION 8.03.  RIGHTS, EXCULPATION, ETC.  Neither the Agent nor any of
its directors, officers, employees, Affiliates or agents shall be liable as such
for any action taken or omitted by any of them except for its or his own gross
negligence or willful misconduct, or be responsible for any statement, warranty
or representation herein or the contents of any document delivered in connection
herewith, or be required to ascertain or to make any


                                      -54-
<PAGE>

inquiry concerning the performance or observance by the Borrower of any of the
terms, conditions, covenants or agreements contained in any Loan Document.  The
Agent shall not be responsible to the Lenders for the due execution,
genuineness, validity, enforceability or effectiveness of this Agreement or any
other Loan Documents or other instruments or agreements.  The Agent shall in all
cases be fully protected in acting, or refraining from acting, in accordance
with written instructions signed by the Requisite Lenders or all of the Lenders,
as appropriate, and, except as otherwise specifically provided herein, such
instructions and any action or inaction pursuant thereto shall be binding on all
the Lenders and the Issuing Banks.  The Agent shall, in the absence of knowledge
to the contrary, be entitled to rely on any instrument or document believed by
it in good faith to be genuine and correct and to have been signed or sent by
the proper Person or Persons.  Neither the Agent nor any of its directors,
officers, employees or agents shall have any responsibility to the Borrower on
account of the failure of or delay in performance or breach by any Lender or
Issuing Bank of any of its obligations hereunder or to any Lender or Issuing
Bank on account of the failure of or delay in performance or breach by any other
Lender or Issuing Bank or the Borrower of any of their respective obligations
hereunder or under any other Loan Document or in connection herewith or
therewith.  The Agent may execute any and all duties hereunder by or through
agents or employees and shall be entitled to rely upon the advice of legal
counsel selected by it with respect to all matters arising hereunder and shall
not be liable for any action taken or suffered in good faith by it in accordance
with the advice of such counsel.

          The Lenders and the Issuing Banks hereby acknowledge that the Agent
shall be under no duty to take any discretionary action permitted to be taken by
it pursuant to the provisions of this Agreement unless it shall be requested in
writing to do so by the Requisite Lenders.

          SECTION 8.04.  SUCCESSOR AGENT; RESIGNATION OF THE AGENT.  Subject to
the appointment and acceptance of a successor Agent as provided below, the Agent
may resign at any time by notifying the Lenders, the Issuing Banks and the
Borrower.  Upon any such resignation, the Requisite Lenders shall have the right
to appoint a successor acceptable to the Borrower.  If no successor shall have
been so appointed by the Requisite Lenders and shall have accepted such
appointment within 30 days after the retiring Agent gives notice of its
resignation, then the retiring Agent may, on behalf of the Lenders, appoint a
successor Agent which shall be a United States of America bank with an office in
New York, New York, having a combined capital and surplus of at least
$500,000,000 or an Affiliate of any such bank, and which shall be reasonably
acceptable to the Borrower.  Upon the acceptance of any appointment as Agent
hereunder by a successor bank, such successor shall succeed to and become vested
with all the rights, powers, privileges and duties of the retiring Agent and the
retiring Agent shall be discharged from its duties and obligations hereunder.
After the Agent's resignation hereunder, the provisions of this ARTICLE and
SECTION 9.05 shall continue in effect for its benefit in respect of any actions
taken or omitted to be taken by it while it was acting as Agent.

          SECTION 8.05.  THE AGENT INDIVIDUALLY.  With respect to the Loans made
by it hereunder, Chemical Bank, in its individual capacity and not as Agent,
shall have the same rights and powers as any other Lender and may exercise the
same as though it was not the Agent, and Chemical Bank and its Affiliates may
accept deposits from, lend money to and generally engage in any kind of business
with the Borrower, or any Subsidiary or any other Affiliate thereof, as if it
was not the Agent.

          SECTION 8.06.  INDEMNIFICATION.  Each Lender agrees (I) to reimburse
the Agent, on demand, in the amount of its Pro Rata Share of any expenses
incurred for the benefit of the Lenders or the Issuing Banks by the Agent,
including counsel fees and compensation of agents and employees paid for
services rendered on behalf of the Lenders or the Issuing Banks, which shall not
have been reimbursed by the Borrower and (ii) to indemnify and hold


                                      -55-
<PAGE>

harmless the Agent and any of its directors, officers, employees or agents, on
demand, in the amount of such Pro Rata Share, from and against any and all
liabilities, taxes, obligations, losses, damages, penalties, actions, judgments,
suits, costs, expenses or disbursements of any kind or nature whatsoever which
may be imposed on, incurred by or asserted against it in its capacity as the
Agent or any of them in any way relating to or arising out of this Agreement or
any other Loan Document or any action taken or omitted by it or any of them
under this Agreement or any other Loan Document, to the extent the same shall
not have been reimbursed by the Borrower; PROVIDED that no Lender shall be
liable to the Agent under CLAUSE (I) or (ii) above for any portion of such
liabilities, obligations, losses, damages, penalties, actions, judgments, suits,
costs, expenses or disbursements resulting from the gross negligence or willful
misconduct of the Agent or any of its directors, officers, employees or agents.

          SECTION 8.07.  INDEPENDENT CREDIT ANALYSIS.  Each Lender and Issuing
Bank acknowledges that it has, independently and without reliance upon the Agent
or any other Lender or Issuing Bank and based on such documents and information
as it has deemed appropriate, made its own credit analysis and decision to enter
into this Agreement.  Each Lender and Issuing Bank also acknowledges that it
will, independently and without reliance upon the Agent or any other Lender or
Issuing Bank and based on such documents and information as it shall from time
to time deem appropriate, make its own credit analysis and decision to make
Loans hereunder from and after the Closing Date and continue to make its own
decisions in taking or not taking action under or based upon this Agreement or
any other Loan Document, any related agreement or any document furnished
hereunder or thereunder.

          SECTION 8.08.  RELATIONS AMONG LENDERS.  Each Lender and each Issuing
Bank agrees that it will not take any action, nor institute any actions or
proceedings, against the Borrower with respect to this Agreement or any other
Loan Document without the prior written consent of the Requisite Lenders.

                           ARTICLE IX.  MISCELLANEOUS

          SECTION 9.01.  NOTICES.  Notices and other communications provided for
herein shall be in writing and shall be delivered by hand or overnight courier
service, mailed or sent by telecopy, as follows:

          (a)  if to the Borrower, to it at 125 South Franklin Street, Chicago,
     Illinois  60606, Attention of John E. Malone, Vice President and Treasurer,
     Telecopy No. (312) 606-3883;

          (b)  if to Chemical Bank, to it at 270 Park Avenue, New  York, New
     York  10017, Attention of Christopher C. Wardell, Managing Director,
     Telecopy No. (212) 270-6125, with a copy to Chemical Securities Inc., 10
     South LaSalle, Chicago, Illinois 60603, Attention of Steven J. Faliski,
     Vice President, Telecopy No. (312) 443-1964;

          (c)  if to any Issuing Bank, to it at the address for notices
     specified in the applicable Issuing Bank Agreement; and

          (d)  if to a Lender, to it at its address (or telecopy number) set
     forth in SCHEDULE 2.01 or in the Assignment and Acceptance pursuant to
     which such Lender shall have become a party hereto;

in each case, or to such other address as such Person may from time to time
direct in writing to the Agent and the Borrower.

          All notices and other communications given to any party hereto in
accordance with the provisions of this Agreement shall be deemed to have been
given on the date of receipt if delivered by hand or overnight courier service
or sent by telecopy, or on the date five Business Days after dispatch by


                                      -56-
<PAGE>

certified or registered mail if mailed, in each case delivered, sent or mailed
(properly addressed) to such party as provided in this SECTION 9.01 or in
accordance with the latest unrevoked direction from such party given in
accordance with this SECTION 9.01.

          SECTION 9.02.  SURVIVAL OF AGREEMENT.  All covenants, agreements,
representations and warranties made by the Borrower herein and in the
certificates or other instruments prepared or delivered in connection with or
pursuant to this Agreement shall be considered to have been relied upon by the
Lenders and the Issuing Banks and shall survive the making by the Lenders of the
Loans and the issuance by the Issuing Banks of Letters of Credit, regardless of
any investigation made by the Lenders or the Issuing Banks or on their behalf,
and shall continue in full force and effect as long as the principal of or any
accrued interest on any Loan or any Fee or any other amount payable under this
Agreement (other than any contingent indemnity Obligations arising pursuant to
SECTION 2.16, 2.18, 2.22 or 9.05) or any other Loan Document is outstanding and
unpaid and so long as the Commitments have not been terminated.

          SECTION 9.03.  BINDING EFFECT.  This Agreement shall become effective
when it shall have been executed by the Borrower and the Agent and when the
Agent shall have received copies hereof which, when taken together, bear the
signatures of each Lender, and thereafter shall be binding upon and inure to the
benefit of the Borrower, the Agent, each Lender and Issuing Bank and their
respective successors and assigns, except that the Borrower shall not have the
right to assign its rights or obligations hereunder or any interest herein
without the prior consent of the Issuing Banks and all the Lenders.

          SECTION 9.04.  SUCCESSORS AND ASSIGNS.  (a)  Whenever in this
Agreement any of the parties hereto is referred to, such reference shall be
deemed to include the successors and assigns of such party; and all covenants,
promises and agreements by or on behalf of the Borrower, the Agent, the Issuing
Banks or the Lenders that are contained in this Agreement shall bind and inure
to the benefit of their respective successors and assigns.

          (b)  Each Lender may assign to one or more Eligible Assignees all or a
percentage of such assigning Lender's interests, rights and obligations under
this Agreement and the other Loan Documents (including all or a portion of the
Loans owing to it, the Notes held by it and its Commitments); PROVIDED, HOWEVER,
that (I) except in the case of an assignment to a Lender or an Affiliate of a
Lender, the Agent, the Borrower and the Issuing Banks must give their prior
written consent to such assignment (which consent of the Agent, the Borrower and
the Issuing Banks shall not be unreasonably withheld), (ii) the aggregate amount
of the Revolving Credit Commitments of the assigning Lender subject to each such
assignment (determined as of the date the Assignment and Acceptance with respect
to such assignment is delivered to the Agent) shall not be less than $5,000,000
or, if less, the full amount of the assigning Lender's Revolving Credit
Commitments, (iii) the parties to each such assignment shall execute and deliver
to the Agent an Assignment and Acceptance, and such Eligible Assignee shall
deliver to the Agent a processing and recordation fee of $3500 and (iv) such
Eligible Assignee, if it shall not be a Lender, shall deliver to the Agent an
Administrative Questionnaire.  Upon acceptance and recording pursuant to
PARAGRAPH (e) of this SECTION 9.04, from and after the effective date specified
in each Assignment and Acceptance, which effective date shall be at least five
Business Days (except as otherwise agreed by the assignor, the assignee and the
Agent) after the execution thereof, (A) the assignee thereunder shall be a party
hereto and, to the extent of the interest assigned by such Assignment and
Acceptance, have the rights and obligations of a Lender under this Agreement and
the other Loan Documents and (B) the assigning Lender thereunder shall, to the
extent of the interest assigned by such Assignment and Acceptance, be released
from its obligations under this Agreement (and, in the case of an Assignment and
Acceptance covering all or the remaining portion of an assigning Lender's


                                      -57-
<PAGE>

rights and obligations under this Agreement, such Lender shall cease to be a
party hereto but shall continue to be entitled to the benefits of SECTIONS 2.16,
2.18, 2.22 and 9.05, as well as to any interest and Fees accrued for its account
and not yet paid).

          Notwithstanding the foregoing, any Lender assigning rights and
obligations under this Agreement may retain any Competitive Bid Loans made by it
outstanding at such time and in such case shall retain its rights hereunder in
respect of any Loans so retained until such Loans have been repaid in full in
accordance with this Agreement.

          (c)  By executing and delivering an Assignment and Acceptance, the
assigning Lender thereunder and the assignee thereunder shall be deemed to
confirm to and agree with each other and the other parties hereto as follows:
(I) such assigning Lender warrants that it is the legal and beneficial owner of
the interest being assigned thereby free and clear of any adverse claim and that
its Commitments and/or the outstanding balances of its Loans, in each case
without giving effect to assignments thereof which have not become effective,
are as set forth in such Assignment and Acceptance, (ii) except as set forth in
CLAUSE (I) above, such assigning Lender makes no representation or warranty and
assumes no responsibility with respect to any statements, warranties or
representations made in or in connection with this Agreement, any other Loan
Document, or any other instrument or document furnished pursuant hereto or
thereto, or the execution, legality, validity, enforceability, genuineness,
sufficiency or value of this Agreement, any other Loan Document or any other
instrument or document furnished pursuant hereto or thereto, or the financial
condition of the Borrower or any Subsidiary of the Borrower or the performance
or observance by the Borrower or any Subsidiary of the Borrower of any of its
obligations under this Agreement, any other Loan Document or any other
instrument or document furnished pursuant hereto or thereto; (iii) such assignee
represents and warrants that it is legally authorized to enter into such
Assignment and Acceptance and that it is an Eligible Assignee; (iv) such
assignee confirms that it has received a copy of this Agreement, together with
copies of the most recent financial statements delivered pursuant to
SECTION 5.07 and such other documents and information as it has deemed
appropriate to make its own credit analysis and decision to enter into such
Assignment and Acceptance; (v) such assignee will independently and without
reliance upon the Agent, such assigning Lender or any other Lender and based on
such documents and information as it shall deem appropriate at the time,
continue to make its own credit decisions in taking or not taking action under
this Agreement; (vi) such assignee appoints and authorizes the Agent to take
such action as Agent on its behalf and to exercise such powers under this
Agreement as are delegated to the Agent by the terms hereof, together with such
powers as are reasonably incidental thereto; and (vii) such assignee agrees that
it will perform in accordance with their terms all the obligations which by the
terms of this Agreement are required to be performed by it as a Lender.

          (d)  The Agent shall maintain at one of its offices in The City of New
York a copy of each Assignment and Acceptance delivered to it and a register for
the recordation of the names and addresses of the Lenders, and the Commitments
of, and principal amount of the Loans owing to, each Lender pursuant to the
terms hereof from time to time (the "REGISTER").  The entries in the Register
shall be conclusive in the absence of manifest error and the Borrower, the Agent
and the Lenders may treat each Person whose name is recorded in the Register
pursuant to the terms hereof as a Lender hereunder for all purposes of this
Agreement.  The Register shall be available for inspection by the Borrower and
any Lender at any reasonable time and from time to time upon reasonable prior
notice.

          (e)  Upon its receipt of a duly completed Assignment and Acceptance
executed by an assigning Lender and an assignee, an Administrative Questionnaire
completed in respect of the assignee (unless the assignee shall already be a
Lender hereunder), the processing and recordation fee referred to


                                      -58-
<PAGE>

in PARAGRAPH (b) above and, if required, the written consent of the Borrower,
the Agent, and the Issuing Banks to such assignment, the Agent shall (I) accept
such Assignment and Acceptance, (ii) record the information contained therein in
the Register and (iii) give prompt notice thereof to the Borrower, the Lenders
and the Issuing Banks.

          (f)  Upon the acceptance by the Agent of any Assignment and
Acceptance, the parties to such Assignment and Acceptance may at any time
request that a new Revolving Loan Note and a new Competitive Bid Note be issued
to the Lender assignee by (I) providing written notice of such request to the
Agent and the Borrower and (ii) delivering to the Borrower such assigning
Lender's Revolving Loan Note and Competitive Bid Note for cancellation and
substitution; PROVIDED that the Competitive Bid Note shall only be so delivered
if the assignor is assigning all of its Revolving Credit Commitment; PROVIDED,
FURTHER, that if the Lender is assigning all of its Revolving Credit Commitment,
and such Lender is retaining any outstanding Competitive Bid Loans, the
Competitive Bid Note shall be delivered when such Competitive Bid Loans have
been paid in full.  With respect to each such Note so delivered, promptly
following receipt by the Borrower of any such notice and such Note, and
verification from the Agent that the applicable Assignment and Acceptance shall
have been accepted by the Agent, the Borrower forthwith shall cause to be
executed, and shall deliver to the Lender assignee, a new Note to the order of
the assignee and, if applicable, a replacement Note to the order of the Lender
assignor, and such Note or Notes shall be in an aggregate principal amount
equal to the aggregate principal amount of the assigning Lender's surrendered
Note issued by the Borrower immediately prior to the acceptance by the Agent of
the applicable Assignment and Acceptance; PROVIDED, HOWEVER, that each
Competitive Bid Note shall be in the principal amount of the Aggregate
Revolving Credit Commitments.  The Borrower shall, immediately upon delivery
of such new Note(s), cancel the original Note or Notes delivered by the Lender
assignor to the Borrower.

          (g)  Each Lender, without the consent of the Borrower, the Agent or
any Issuing Bank, may sell participations to one or more banks or other entities
in all or a portion of its rights and obligations under this Agreement
(including all or a portion of its Commitments and the Loans owing to it);
PROVIDED, HOWEVER, that (I) such Lender's obligations under this Agreement shall
remain unchanged, (ii) such Lender shall remain solely responsible to the other
parties hereto for the performance of such obligations, (iii) the participating
banks or other entities shall be entitled to the benefit of the cost protection
and indemnity provisions contained in SECTIONS 2.16, 2.18, 2.22 and 9.05 to the
same extent as if they were Lenders (except that no participant shall be
entitled to claim any amount greater than its pro rata share of the amount that
could have been claimed by the Lender from which it acquired its participation)
and (iv) the Borrower, the Agent, the Issuing Banks and the other Lenders shall
continue to deal solely and directly with such Lender in connection with such
Lender's rights and obligations under this Agreement, and such Lender shall
retain the sole right to enforce the obligations of the Borrower relating to the
Loans and to approve any amendment, modification or waiver of any provision of
this Agreement (other than amendments, modifications or waivers decreasing any
fees payable hereunder (other than Issuing Bank Fees) or the amount of principal
of or the rate at which interest is payable on the Loans or LC Disbursements,
extending the final maturity of the Loans or any date fixed for the payment of
interest on the Loans or LC Disbursements or any Fees (other than Issuing Bank
Fees) or extending the Commitments).

          (h)  Any Lender or participant may, in connection with any assignment
or participation or proposed assignment or participation pursuant to this
SECTION 9.04, disclose to the assignee or participant or proposed assignee or
participant any information relating to the Borrower and its Subsidiaries
furnished to such Lender by or on behalf of the Borrower; PROVIDED that, prior
to any such disclosure of information designated by the Borrower as
confidential, each such assignee or participant or proposed


                                      -59-
<PAGE>

assignee or participant shall execute an agreement substantially in the form of
that executed in connection with the syndication of the Revolving Credit
Commitments by those Lenders party hereto as of the Closing Date, whereby such
assignee or participant shall agree (subject to customary exceptions) to
preserve the confidentiality of such confidential information.

          (I)  Any Lender may at any time pledge or assign all or any portion of
its rights under this Agreement and the Notes issued to it to a Federal Reserve
Bank; PROVIDED that no such assignment shall release a Lender from any of its
obligations hereunder.

          (j)  The Borrower shall not assign or delegate any of its rights or
duties hereunder without the consent of each Lender.

          SECTION 9.05. EXPENSES; INDEMNITY.  (a)  The Borrower agrees to pay
all reasonable out-of-pocket expenses incurred by the Agent in connection with
the preparation of this Agreement and the other Loan Documents or in connection
with any amendments, modifications or waivers of the provisions hereof or
thereof requested by the Borrower or incurred by the Agent, any Issuing Bank or
any Lender following an Event of Default or Potential Event of Default in
connection with the enforcement or protection of their rights in connection with
this Agreement and the other Loan Documents or in connection with the Loans made
or Letters of Credit issued hereunder, including in each case the reasonable
fees, charges and disbursements of counsel for the Agent, and, in connection
with any such enforcement or protection, the reasonable fees, charges and
disbursements of any other counsel for the Agent, any Issuing Bank or any
Lender.  The Borrower further agrees that it shall indemnify the Agent, the
Issuing Banks and the Lenders from and hold them harmless against any
documentary taxes, assessments or charges made by any Governmental Authority by
reason of the execution and delivery or enforcement of this Agreement or any of
the other Loan Documents.

          (b)  The Borrower agrees to indemnify the Agent, each Issuing Bank,
each Lender and each of their respective directors, officers, employees,
Affiliates, attorneys and agents (each such Person being called an "INDEMNITEE")
against, and to hold each Indemnitee harmless from, any and all liabilities,
damages, obligations, losses, penalties, actions, judgments, suits, costs and
expenses which (if such liabilities, damages, obligations, losses, penalties,
actions, judgments, suits, costs and expenses arise in a judicial forum) are
found in a final judgment by a court of competent jurisdiction, including
reasonable counsel fees, charges and disbursements, incurred by or asserted
against any Indemnitee arising out of any third party claim, litigation,
investigation or proceeding (whether or not any Indemnitee shall be party
thereto) relating to, in any way connected with, or as a result of (I) the
execution or delivery of this Agreement or any other Loan Document or any
agreement or instrument contemplated hereby or thereby, or (ii) the use of the
Letters of Credit or the proceeds of the Loans (a "THIRD PARTY CLAIM"); PROVIDED
that such indemnity shall not, as to any Indemnitee, be available to the extent
that such liabilities, damages, obligations, losses, penalties, actions,
judgments, suits, costs and expenses are found in a final judgment by a court of
competent jurisdiction to have resulted from the gross negligence, bad faith or
willful misconduct of such Indemnitee; PROVIDED FURTHER that (A) each Indemnitee
shall promptly (but in any event within ten (10) Business Days) notify the
Borrower in writing upon becoming aware of the initiation of any Third Party
Claim against it, (B) the Borrower shall be entitled to participate in the
defense of any such Third Party Claim and, if the Borrower so chooses, to assume
the defense, at the Borrower's expense, of any such Third Party Claim with
counsel selected by the Borrower (it being understood that any Indemnitee shall
have the right to participate in such defense and employ counsel separate from
the counsel employed by the Borrower, and that such counsel shall be at the
expense of such Indemnitee unless such Indemnitee shall have been advised by
counsel that there may be legal defenses available to it that are inconsistent
with or in addition to those available to the Borrower, in which case such
counsel shall be at the expense of the Borrower)


                                      -60-
<PAGE>

and (c) no Indemnitee shall settle any Third Party Claim without the prior
written consent of the Borrower (which consent shall not be unreasonably
withheld).

          (c)  None of the Agent, any Lender, any Issuing Bank, the Borrower or
any of their respective directors, officers, employees, Affiliates, attorneys
and agents shall be responsible or liable to any other party hereto or any other
Person or entity for consequential damages which may be alleged as a result of
the transactions contemplated hereby, except to the extent specifically set
forth in this Agreement.

          (d)  The provisions of this SECTION 9.05 shall remain operative and in
full force and effect regardless of the expiration of the term of this
Agreement, the consummation of the transactions contemplated hereby, the
repayment of any of the Loans, the invalidity or unenforceability of any term or
provision of this Agreement or any other Loan Document, or any investigation
made by or on behalf of the Agent, any Issuing Bank or any Lender.  All amounts
due under this SECTION 9.05 shall be payable within ten Business Days after
written demand therefor.

          SECTION 9.06.  RIGHT OF SETOFF.  If an Event of Default shall have
occurred and be continuing, each Lender is hereby authorized at any time and
from time to time, to the fullest extent permitted by law, to set off and apply
any and all deposits (general or special, time or demand, provisional or final)
at any time held and other indebtedness at any time owing by such Lender to or
for the credit or the account of the Borrower against any of and all the
Obligations now or hereafter existing under this Agreement and other Loan
Documents to such Lender, irrespective of whether or not such Lender shall have
made any demand under this Agreement or such other Loan Document and although
such obligations may be unmatured.  The rights of each Lender under this
SECTION 9.06 are in addition to other rights and remedies (including other
rights of setoff) which such Lender may have.

          SECTION 9.07.  CONCERNING THE COLLATERAL DOCUMENTS; ACTIONS BY THE
LENDERS; TRUSTEE'S FEES; RELEASE OF COLLATERAL.  (a)  Each Lender and each
Issuing Bank hereby consents and agrees to the terms of the Collateral Documents
and authorizes and directs the Collateral Trustee to execute the Collateral
Documents.  Each Lender and each Issuing Bank hereby agrees, and each holder of
any Note by the acceptance thereof will be deemed to agree, that any action
taken by the Requisite Lenders or the Agent (as appropriate), in accordance with
the provisions of this Agreement or the Collateral Documents, and the exercise
by the Requisite Lenders or the Agent (as appropriate) of the powers set forth
herein or therein, together with such other powers as are reasonably incidental
thereto, shall be authorized and binding upon all of the Lenders, Issuing Banks
and the holders of any Note.

          (b)  If the Borrower fails to pay any amount of Trustee's Fees owed by
it to the Collateral Trustee pursuant to the Collateral Trust Agreement, the
Lenders agree to pay to the Collateral Trustee such unpaid Trustee's Fees,
apportioned among the Lenders ratably in accordance with each Lender's Pro Rata
Share (and no Lender shall have any obligation to pay any other Lender's Pro
Rata Share of such fees).  Any such Trustee's Fees paid by the Lenders pursuant
to this SECTION 9.07 shall be deemed to be a Revolving Loan hereunder made to
the Borrower, which Loan (together with all interest thereon) shall be payable
upon demand by the Agent and shall accrue interest for the period during which
it is outstanding at a rate equal to two percent (2.0%) per annum above the
Alternate Base Rate as in effect during such period.  The Borrower hereby
irrevocably authorizes the Lenders to make such Revolving Loans for the purpose
of paying any Trustee's Fees which the Borrower fails to pay and agrees that all
such Loans so made shall be deemed to have been requested by the Borrower.

          (c)  Prior to the satisfaction of the condition specified in Section
7.1(a) of the Collateral Trust Agreement (without limiting PARAGRAPH


                                      -61-
<PAGE>

(d) below), the release of the capital stock of any Material Subsidiary from the
Lien granted to the Collateral Trustee may occur only as follows:

          (I)  the Agent, on behalf of the Lenders, shall direct the Collateral
     Trustee to release the Lien on the capital stock of any Material Subsidiary
     if such Material Subsidiary is sold with the consent of the Requisite
     Lenders; and

          (ii)  in addition, the Requisite Lenders may direct the Collateral
     Trustee to release the Lien on the capital stock of any Material
     Subsidiary; PROVIDED, that all of the Lenders shall be required to direct
     the Collateral Trustee to release all or substantially all of the
     Collateral as provided in Section 7 of the Collateral Trust Agreement.

          (d)  Prior to the satisfaction of the condition specified in Section
7.1(a) of the Collateral Trust Agreement, the Agent shall direct the Collateral
Trustee to release its Lien on the capital stock of all of the domestic Material
Subsidiaries if the Borrower's senior public debt is rated Investment Grade.

          SECTION 9.08.  APPLICABLE LAW.  THIS AGREEMENT AND THE OTHER LOAN
DOCUMENTS SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE
STATE OF NEW YORK.

          SECTION 9.09.  WAIVERS; AMENDMENT.  (a)  No failure or delay of the
Agent, any Issuing Bank or any Lender in exercising any power or right hereunder
shall operate as a waiver thereof, nor shall any single or partial exercise of
any such right or power, or any abandonment or discontinuance of steps to
enforce such a right or power, preclude any other or further exercise thereof or
the exercise of any other right or power.  The rights and remedies of the Agent,
the Issuing Banks and the Lenders hereunder and under the other Loan Documents
are cumulative and are not exclusive of any rights or remedies which they would
otherwise have.  No waiver of any provision of this Agreement or any other Loan
Document or consent to any departure by the Borrower therefrom shall in any
event be effective unless the same shall be permitted by PARAGRAPH (b) below,
and then such waiver or consent shall be effective only in the specific instance
and for the purpose for which given.  No notice or demand on the Borrower in any
case shall entitle the Borrower to any other or further notice or demand in
similar or other circumstances.

          (b)  Neither this Agreement nor any provision hereof may be waived,
amended or modified except pursuant to an agreement or agreements in writing
entered into by the Borrower and the Requisite Lenders; PROVIDED, HOWEVER, that
no such agreement shall (I) decrease the principal amount of, or extend the
maturity of, any scheduled principal payment date or date for the payment of any
interest on any Loan or LC Disbursement, or waive or excuse any such payment or
any part thereof, or decrease the rate of interest on any Loan or LC
Disbursement, without the prior written consent of each Lender affected thereby,
(ii) change or extend any Commitment or decrease the amount or extend the time
of payment of the Commitment Fees or LC Fees of any Lender without the prior
written consent of such Lender, or (iii) amend or modify the provisions of
SECTION 2.19, the provisions of this SECTION 9.09 or the definitions of
"Requisite Lenders" or "Pro Rata Share" without the prior written consent of
each Lender; PROVIDED FURTHER that no such agreement shall amend, modify or
otherwise affect the rights or duties of the Agent or the Issuing Banks
hereunder without the prior written consent of the Agent or the Issuing Banks,
as the case may be.

          SECTION 9.10.  INTEREST RATE LIMITATION.  Notwithstanding anything
herein to the contrary, if at any time the applicable interest rate, together
with all fees and charges which are treated as interest under applicable law
(collectively the "CHARGES"), as provided for herein or in any other document


                                      -62-
<PAGE>

executed in connection herewith, or otherwise contracted for, charged, received,
taken or reserved by any Lender, shall exceed the maximum lawful rate (the
"MAXIMUM RATE") which may be contracted for, charged, taken, received or
reserved by such Lender in accordance with applicable law, the rate of interest
payable on such Lender's Loans, together with all Charges payable to such
Lender, shall be limited to the Maximum Rate.

          SECTION 9.11.  CONFIDENTIALITY.  Each of the Agent and the Lenders
shall hold all non-public information obtained pursuant to this Agreement (which
has been reasonably identified as such by the Borrower) in accordance with its
customary procedures for handling confidential information of this nature and in
accordance with safe and sound banking practices and will use such information
only in connection with the transactions contemplated by the Loan Documents, and
in any event may make disclosure of any such information (I) to any Agent, or
any Lender, (ii) to the extent required by law (including statute, rule,
regulation or judicial process), (iii) to counsel for any Lender or the Agent or
to their respective accountants, each of whom shall also be bound by the
confidentiality obligations set forth herein, (iv) to bank examiners and
auditors and appropriate government examining authorities, (v) to the extent
necessary or appropriate in connection with any litigation to which any Lender
or the Agent is a party, or (vi) subject to SECTION 9.04, to any actual or
prospective participant in or assignee of any Loan owing to or Note held by such
Lender.

          SECTION 9.12.  ENTIRE AGREEMENT.  This Agreement, including the
exhibits and schedules hereto, and the other Loan Documents constitute the
entire contract between the parties relative to the subject matter hereof and
thereof.  Any previous agreement among the parties with respect to the subject
matter hereof or thereof is superseded by this Agreement and the other Loan
Documents.  Nothing in this Agreement or in the other Loan Documents, expressed
or implied, is intended to confer upon any party other than the parties hereto
and thereto any rights, remedies, obligations or liabilities under or by reason
of this Agreement or the other Loan Documents.

          SECTION 9.13.  WAIVER OF JURY TRIAL.  Each party hereto hereby waives,
to the fullest extent permitted by applicable law, any right it may have to a
trial by jury in respect of any litigation directly or indirectly arising out
of, under or in connection with this Agreement or any of the other Loan
Documents.  Each party hereto (a) certifies that no representative, agent or
attorney of any other party has represented, expressly or otherwise, that such
other party would not, in the event of litigation, seek to enforce the foregoing
waiver and (b) acknowledges that it and the other parties hereto have been
induced to enter into this Agreement and the other Loan Documents, as
applicable, by, among other things, the mutual waivers and certifications in
this SECTION 9.13.

          SECTION 9.14.  SEVERABILITY.  In the event any one or more of the
provisions contained in this Agreement or in any other Loan Document should be
held invalid, illegal or unenforceable in any respect, the validity, legality
and enforceability of the remaining provisions contained herein and therein
shall not in any way be affected or impaired thereby.  The parties shall
endeavor in good-faith negotiations to replace the invalid, illegal or
unenforceable provisions with valid provisions the economic effect of which
comes as close as possible to that of the invalid, illegal or unenforceable
provisions.

          SECTION 9.15.  COUNTERPARTS.  This Agreement may be executed in two or
more counterparts, each of which shall constitute an original but all of which
when taken together shall constitute but one contract, and shall become
effective as provided in SECTION 9.03.

          SECTION 9.16.  HEADINGS.  Article and Section headings and the Table
of Contents used herein are for convenience of reference only, are not


                                      -63-
<PAGE>

part of this Agreement and are not to affect the construction of, or to be taken
into consideration in interpreting, this Agreement.

          SECTION 9.17.  JURISDICTION; CONSENT TO SERVICE OF PROCESS.  (a)  THE
BORROWER HEREBY IRREVOCABLY AND UNCONDITIONALLY SUBMITS, FOR ITSELF AND ITS
PROPERTY, TO THE NONEXCLUSIVE JURISDICTION OF ANY NEW YORK STATE COURT OR
FEDERAL COURT OF THE UNITED STATES OF AMERICA SITTING IN NEW YORK CITY, AND ANY
APPELLATE COURT FROM ANY THEREOF, IN ANY ACTION OR PROCEEDING ARISING OUT OF OR
RELATING TO THIS AGREEMENT OR THE OTHER LOAN DOCUMENTS, OR FOR RECOGNITION OR
ENFORCEMENT OF ANY JUDGMENT, AND EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY
AND UNCONDITIONALLY AGREES THAT ALL CLAIMS IN RESPECT OF ANY SUCH ACTION OR
PROCEEDING MAY BE HEARD AND DETERMINED IN SUCH NEW YORK STATE OR, TO THE EXTENT
PERMITTED BY LAW, IN SUCH FEDERAL COURT.  THE BORROWER IRREVOCABLY CONSENTS TO
THE SERVICE OF PROCESS OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR
PRECEDING BY THE MAILING OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL,
POSTAGE PREPAID, TO ITS NOTICE ADDRESS SPECIFIED IN SECTION 9.01, SUCH NOTICE TO
BECOME EFFECTIVE TEN (10) DAYS AFTER ITS MAILING. EACH OF THE PARTIES HERETO
AGREES THAT A FINAL JUDGMENT IN ANY SUCH ACTION OR PROCEEDING SHALL BE
CONCLUSIVE AND MAY BE ENFORCED IN OTHER JURISDICTIONS BY SUIT ON THE JUDGMENT OR
IN ANY OTHER MANNER PROVIDED BY LAW.  NOTHING IN THIS AGREEMENT SHALL AFFECT ANY
RIGHT THAT ANY PARTY MAY OTHERWISE HAVE TO BRING ANY ACTION OR PROCEEDING
RELATING TO THIS AGREEMENT OR THE OTHER LOAN DOCUMENTS IN THE COURTS OF ANY
JURISDICTION.

          (b)  THE BORROWER HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES, TO
THE FULLEST EXTENT IT MAY LEGALLY AND EFFECTIVELY DO SO, ANY OBJECTION WHICH IT
MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY SUIT, ACTION OR
PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE OTHER LOAN
DOCUMENTS IN ANY NEW YORK STATE OR FEDERAL COURT.  EACH OF THE PARTIES HERETO
HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW, THE DEFENSE
OF AN INCONVENIENT FORUM TO THE MAINTENANCE OF SUCH ACTION OR PROCEEDING IN ANY
SUCH COURT.

          SECTION 9.18.  DEFAULTING LENDER.  If any Lender fails to fund its Pro
Rata Share of any Revolving Loan Borrowing requested or deemed requested by the
Borrower (the funded portion of such Borrowing being hereinafter referred to as
a "NON PRO RATA LOAN"), then until the earlier of such Lender's cure of such
failure or the termination of the Commitments, upon the Borrower's request, the
proceeds of all amounts thereafter repaid to the Agent by the Borrower and
otherwise required to be applied to such Lender's share of all other Obligations
pursuant to the terms of this Agreement shall be advanced to the Borrower by the
Agent on behalf of such Lender to cure, in full or in part, such failure by such
Lender, but shall nevertheless be deemed to have been paid to such Lender in
satisfaction of such other Obligations.  Notwithstanding anything in this
Agreement to the contrary:

          (I)  the foregoing provisions of this SECTION 9.18 shall apply only
     with respect to the proceeds of payments of Obligations and shall not
     affect the conversion or continuation of Loans pursuant to SECTION 2.12;

          (ii) any such Lender shall be deemed to have cured its failure to fund
     its Pro Rata Share of any Revolving Loan Borrowing at such time as an
     amount equal to such Lender's original Pro Rata Share of the requested
     principal portion of such Borrowing is fully funded to the Borrower,
     whether made by such Lender itself or by operation of the terms of this
     SECTION 9.18, and whether or not the Non Pro Rata Loan with respect thereto
     has been converted or continued;

          (iii) amounts advanced to the Borrower under this SECTION 9.18 to
     cure, in full or in part, any such Lender's failure to fund its Pro Rata
     Share of any Revolving Loan Borrowing ("CURE LOANs") shall bear interest at
     the rate applicable to ABR Loans under SECTION 2.08 in effect from


                                      -64-
<PAGE>

     time to time, and for all other purposes of this Agreement shall be treated
     as if they were ABR Loans;

          (iv)  regardless of whether or not an Event of Default has occurred or
     is continuing, and notwithstanding the instructions of the Borrower as to
     its desired application, all repayments of principal which would be applied
     to the outstanding ABR Loans shall be applied FIRST, ratably to all ABR
     Loans constituting Non Pro Rata Loans, SECOND, ratably to ABR Loans other
     than those constituting Non Pro Rata Loans or Cure Loans and, THIRD,
     ratably to ABR Loans constituting Cure Loans;

          (v)  unless and until the earlier of any such Lender's cure of the
     failure to fund its Pro Rata Share of any Revolving Loan Borrowing and the
     termination of the Commitments, the term "Requisite Lenders" for all
     purposes of this Agreement shall exclude all Lenders whose failure to fund
     their respective Pro Rata Shares of such Revolving Loan Borrowing have not
     been so cured; and

          (vi) unless and until any such Lender's failure to fund its Pro Rata
     Share of any Revolving Loan Borrowing is cured in accordance with this
     SECTION 9.18, such Lender shall not be entitled to any Commitment Fees with
     respect to its Revolving Credit Commitment, and such Lender shall be
     required to refund to the Borrower any portion of the Commitment Fees
     attributable to the period beginning on the day of such Lender's failure to
     fund and ending on the day the Commitments are terminated or such default
     has been cured.


                                      -65-
<PAGE>

          IN WITNESS WHEREOF, the Borrower, the Agent, and the Lenders have
caused this Agreement to be duly executed by their respective authorized
officers as of the day and year first above written.

                                   USG CORPORATION


                                   By_____________________________
                                   Name:__________________________
                                   Title:_________________________


                                   CHEMICAL BANK, individually and
                                   as Agent


                                   By______________________________
                                   Name:___________________________
                                   Title:__________________________


                                      -S-1-



<PAGE>

                                  EXHIBIT 99(b)












                           COLLATERAL TRUST AGREEMENT

                                  by and among

                                USG CORPORATION,
                      THE OTHER GRANTORS FROM TIME TO TIME
                                  PARTY HERETO

                                       and

              WILMINGTON TRUST COMPANY AND WILLIAM J. WADE, TRUSTEE



                            Dated as of July 27, 1995

<PAGE>

                                TABLE OF CONTENTS


                                                                    Page
                                                                    ----

PARTIES. . . . . . . . . . . . . . . . . . . . . . . . . . . . .       1

RECITALS . . . . . . . . . . . . . . . . . . . . . . . . . . . .       1

DECLARATION OF TRUST . . . . . . . . . . . . . . . . . . . . . .       1

SECTION 1.  DEFINITIONS AND OTHER MATTERS. . . . . . . . . . . .       3

SECTION 2.  CERTAIN OBLIGATIONS AND DUTIES OF
              THE TRUSTEE AND THE COMPANY;
              POWERS OF ATTORNEY . . . . . . . . . . . . . . . .       8

     Section 2.1  Authorization to Execute
                    Security Documents . . . . . . . . . . . . .       8
     Section 2.2  Certain Representations
                    and Warranties . . . . . . . . . . . . . . .       8
     Section 2.3  Actions. . . . . . . . . . . . . . . . . . . .      10
     Section 2.4  Additional Security Documents. . . . . . . . .      10
     Section 2.5  Powers of Attorney . . . . . . . . . . . . . .      11

SECTION 3.  ACTIONABLE DEFAULTS; REMEDIES. . . . . . . . . . . .      11

     Section 3.1   Actionable Default. . . . . . . . . . . . . .      11
     Section 3.2   Remedies. . . . . . . . . . . . . . . . . . .      12
     Section 3.3   Right to Initiate Judicial
                     Proceedings, etc. . . . . . . . . . . . . .      13
     Section 3.4   Appointment of a Receiver . . . . . . . . . .      13
     Section 3.5   Exercise of Powers. . . . . . . . . . . . . .      13
     Section 3.6   Control by Requisite Lenders. . . . . . . . .      13
     Section 3.7   Remedies Not Exclusive. . . . . . . . . . . .      14
     Section 3.8   Waiver of Certain Rights. . . . . . . . . . .      15
     Section 3.9   Limitation on Trustee's Duties
                     in Respect of Collateral. . . . . . . . . .      15
     Section 3.10  Limitation by Law . . . . . . . . . . . . . .      15
     Section 3.11  Absolute Rights of Holders. . . . . . . . . .      15
     Section 3.12  Equal and Ratable Security. . . . . . . . . .      16

SECTION 4.  COLLATERAL ACCOUNT; APPLICATION OF MONEYS. . . . . .      16

     Section 4.1  The Collateral Account . . . . . . . . . . . .      16
     Section 4.2  Grant of Security Interests
                    Control of Collateral Account. . . . . . . .      17

     Section 4.3  Investment of Funds Deposited
                    in Collateral Account. . . . . . . . . . . .      18
     Section 4.4  Application of Moneys. . . . . . . . . . . . .      19
     Section 4.5  Application of Moneys Distributable
                    to Holders of Public Debt. . . . . . . . . .      21

SECTION 5.  AGREEMENTS WITH TRUSTEE. . . . . . . . . . . . . . .      21

     Section 5.1  Delivery of Debt Instruments . . . . . . . . .      21
     Section 5.2  Information as to Holders. . . . . . . . . . .      22
     Section 5.3  Compensation and Expenses. . . . . . . . . . .      22
     Section 5.4  Stamp and Other Similar Taxes. . . . . . . . .      22
     Section 5.5  Filing Fees, Excise Taxes, etc.  . . . . . . .      23
     Section 5.6  Indemnification. . . . . . . . . . . . . . . .      23
     Section 5.7  Further Assurances . . . . . . . . . . . . . .      24


                                       -i-
<PAGE>

                                                                    Page
                                                                    ----

SECTION 6.  THE TRUSTEE. . . . . . . . . . . . . . . . . . . . .      24

     Section 6.1   Acceptance of Trust . . . . . . . . . . . . .      24
     Section 6.2   Exculpatory Provisions. . . . . . . . . . . .      24
     Section 6.3   Delegation of Duties. . . . . . . . . . . . .      25
     Section 6.4   Reliance by Trustee . . . . . . . . . . . . .      26
     Section 6.5   Limitations on Duties of Trustee. . . . . . .      27
     Section 6.6   Moneys To Be Held in Trust. . . . . . . . . .      27
     Section 6.7   Resignation and Removal of
                     the Trustee . . . . . . . . . . . . . . . .      28
     Section 6.8   Status of Successors to the
                     Corporate Trustee . . . . . . . . . . . . .      29
     Section 6.9   Merger of the Corporate Trustee . . . . . . .      29
     Section 6.10  Additional Co-Trustees;
                     Separate Trustees . . . . . . . . . . . . .      29

SECTION 7.  RELEASE OF COLLATERAL. . . . . . . . . . . . . . . .      31

     Section 7.1   Conditions to Release . . . . . . . . . . . .      31
     Section 7.2   Procedure for Release . . . . . . . . . . . .      32
     Section 7.3   Effective Time of Release . . . . . . . . . .      32
     Section 7.4   Release of Certain Collateral . . . . . . . .      33

SECTION 8.  MISCELLANEOUS. . . . . . . . . . . . . . . . . . . .      33

     Section 8.1   Amendments,  Supplements and Waivers. . . . .      33
     Section 8.2   Notices . . . . . . . . . . . . . . . . . . .      34
     Section 8.3   Headings. . . . . . . . . . . . . . . . . . .      36
     Section 8.4   Severability. . . . . . . . . . . . . . . . .      36
     Section 8.5   Treatment of Payee or Indorsee
                     by Trustee. . . . . . . . . . . . . . . . .      36
     Section 8.6   Dealings with the Company . . . . . . . . . .      36
     Section 8.7   Claims Against the Trustee. . . . . . . . . .      37
     Section 8.8   Binding Effect. . . . . . . . . . . . . . . .      37
     Section 8.9   Conflict with Other Agreements. . . . . . . .      37
     Section 8.10  Governing Law . . . . . . . . . . . . . . . .      37
     Section 8.11  Counterparts. . . . . . . . . . . . . . . . .      37
     Section 8.12  Company as Agent for Grantors . . . . . . . .      37


SIGNATURES . . . . . . . . . . . . . . . . . . . . . . . . . . .      39



                                    SCHEDULES


     Schedule 1  Public Indentures




COLLTRST.EXE


                                      -ii-
<PAGE>

                           COLLATERAL TRUST AGREEMENT


          This COLLATERAL TRUST AGREEMENT ("AGREEMENT") dated as of July 27,
1995 by and among USG CORPORATION, a Delaware corporation (the "COMPANY"), each
of the Company's direct and indirect Subsidiaries that from time to time becomes
a party hereto (the foregoing Subsidiaries, together with the Company,
collectively referred to herein as the "GRANTORS" and individually as a
"GRANTOR"), and WILMINGTON TRUST COMPANY, a Delaware banking corporation, and
WILLIAM J. WADE acting, except to the extent expressly stated otherwise in
SECTIONS 2.2(a) and 6.2(c) of this Agreement, not in their individual capacities
but solely as trustee (in such capacities, Wilmington Trust Company being herein
referred to as the "CORPORATE TRUSTEE," William J. Wade being herein referred to
as the "INDIVIDUAL TRUSTEE," and the Corporate Trustee and the Individual
Trustee being herein referred to collectively as the "TRUSTEE") under this
Agreement for the Holders of the Secured Debt referred to below.


                              W I T N E S S E T H:

          WHEREAS, the Company, the Lenders, the Issuing Banks, and the Agent
have entered into the Credit Agreement;

          WHEREAS, to induce the Lenders to enter into the Credit Agreement, the
Borrower has agreed to secure, subject to the terms and conditions of this
Agreement and the Security Documents, the payment of the Secured Debt; and

          WHEREAS, the extension of the credit facilities contemplated by the
Credit Agreement is conditioned upon this Agreement and the Pledge Agreements
having been duly executed and delivered and not terminated;

                              DECLARATION OF TRUST:

          NOW, THEREFORE, to secure equally and ratably the payment, observance
and performance of the Secured Debt and in consideration of the premises and the
mutual agreements set forth herein, the Trustee does hereby declare that it
holds as trustee in trust under this Agreement all of its right, title and
interest in, to and under all the following (and the Grantors hereby consent
thereto):

          (A)  the Pledge Agreements and the Collateral granted to the
     Trustee thereunder;

          (B)  the share certificates evidencing the Pledged Stock
     delivered or to be delivered to the Trustee pursuant to the Pledge
     Agreements;

          (C)  each agreement entered into and delivered, from time to
     time, pursuant to SECTION 2.4, SECTION 5.7 or SECTION 8.1 of this
     Agreement or pursuant to the terms of the Pledge Agreements, and the
     Collateral granted to the Trustee in each case thereunder;

          (D)  the "TRUST AGREEMENT COLLATERAL" (as defined in SECTION 4.2
     of this Agreement); and

          (E)  the Proceeds of each of the foregoing.

          TO HAVE AND TO HOLD the foregoing Security Documents and the
Collateral and the Proceeds of any and all thereof (the right, title and
interest of the Trustee in the Security Documents and the Collateral and such
Proceeds being hereinafter referred to as the "TRUST ESTATE") unto the Trustee
and its successors in trust under this Agreement and its assigns and the assigns
of its successors in trust forever.

          IN TRUST NEVERTHELESS, under and subject to the terms and


<PAGE>

conditions set forth herein and in the Security Documents, and for the benefit
of the Secured Parties and for the enforcement of the payment of all Secured
Debt, and for the performance of and compliance with the covenants and
conditions of this Agreement, the Credit Agreement, the Public Indentures, the
Refinancing Instruments and each of the Security Documents.

          PROVIDED, HOWEVER, that these presents are upon the condition that if
the Grantors, or their respective successors or assigns, shall satisfy all of
the conditions set forth in SECTION 7 of this Agreement with respect to all or
any part of the Collateral, as the case may be, then (if with respect to all of
the Collateral) this Agreement, and the estates and rights assigned in the
Security Documents, shall cease, terminate and be void or (if with respect to
part of the Collateral) this Agreement, and the estates and rights assigned in
the Security Documents, shall cease, terminate and be void with respect to such
part of the Collateral; otherwise they shall remain and be in full force and
effect.

          IT IS HEREBY FURTHER COVENANTED AND DECLARED that the Trust Estate is
to be held and applied by the Trustee, subject to the further covenants,
conditions and trust hereinafter set forth.

                                    SECTION 1
                          DEFINITIONS AND OTHER MATTERS

          (a)  As used in this Agreement, including the introductory provisions
hereof, the following terms shall have the following meanings:

          "ACTIONABLE DEFAULT" means an Event of Default shall have occurred
under the Credit Agreement, any of the Public Indentures or Refinancing
Instruments and the Holders thereunder shall have accelerated the Secured Debt
thereunder.

          "AFFILIATE" means any Person (a) that directly or indirectly, through
one or more intermediaries, controls or is controlled by, or is under common
control with the Company, (b) that directly or beneficially owns or holds 5% or
more of any class of the voting stock of the Company or (c) 5% or more of the
voting stock (or in the case of a person which is not a corporation, 5% or more
of the equity interest) of which is owned directly or beneficially or held by
the Company.

          "AGENT" means the "Agent" as defined in the Credit Agreement.

          "AUTHORIZED OFFICER" means, with respect to any Person, the chief
executive officer, the chief financial officer, the controller, the assistant
controller, the treasurer, the assistant treasurer or the chief accounting
officer of such Person.

          "BANKRUPTCY CODE" means Title 11 of the United States Code, 11 U.S.C.
Section 101 ET SEQ., as the same may be amended from time to time, and any
successor statute thereto.

          "BUSINESS DAY" means any day other than Saturdays, Sundays, days which
are legal holidays under the law of the States of New York, Illinois or
Delaware, and days on which banking institutions located in any of such States
are required or authorized by law or other governmental action to close or the
Corporate Trustee is required or authorized by law or other governmental action
to close.

          "COLLATERAL" means all property in which the Trustee has, or
purportedly has, an interest (including, without limitation, a Lien) from time
to time under this Agreement or one or more of the Security Documents.

          "COLLATERAL ACCOUNT" means the "Collateral Account" as defined in


                                       -2-
<PAGE>

SECTION 4.1 of this Agreement.

          "COMPANY PLEDGE AGREEMENT" means the "Pledge Agreement" as defined in
the Credit Agreement.

          "CREDIT AGREEMENT" means that certain Credit Agreement dated as of
July 27, 1995 by and among the Borrower, the financial institutions from time to
time party thereto, and Chemical Bank, as Agent, as the same may be amended,
restated, supplemented or otherwise modified from time to time in accordance
with the terms thereof.

          "DEBT INSTRUMENTS" means the Credit Agreement, the Public Indentures,
the Refinancing Instruments, the notes or other instruments or securities issued
pursuant thereto and the other agreements, documents and instruments executed in
connection therewith.

          "DISCHARGE NOTICE" means a written notice, signed by an Authorized
Officer of the Company, which requests a discharge of the Security Documents in
accordance with the provisions of SECTION 7.2 of this Agreement and which
certifies to the Trustee that:

          (i)  one of the events enumerated in SECTION 7.1 of this
     Agreement has occurred (specifying which event), and

          (ii)  all Trustee's Fees have been paid in full.

          "DISTRIBUTION DATES" means the Business Days fixed by the Trustee for
the distribution of all moneys held by the Trustee in the Collateral Account,
the first of which shall occur within ninety (90) days after the giving of a
Notice of Actionable Default which has not theretofore been withdrawn and the
balance of which shall, so long as such Notice of Actionable Default shall not
have been withdrawn, be on the corresponding date or, if the corresponding date
is not a Business Day, the next succeeding Business Day, in each calendar month
thereafter.

          "EVENT OF DEFAULT" means (i) an "Event of Default" as defined in the
Credit Agreement or (ii) the occurrence of an event which would result in the
acceleration of, or permit the Public Lenders or Refinancing Lenders to
accelerate, the Public Debt or the Refinancing Debt, respectively, under any
Public Indenture or Refinancing Instruments, respectively; PROVIDED, that in
each case any required notice thereof has been given and any grace periods
provided for therein have expired.

          "GOVERNMENTAL AUTHORITY" means "Governmental Authority" as defined in
the Credit Agreement.

          "HOLDERS" means, as of any date, (i) any holder of Secured Debt on
such date and (ii) any Lender having a Revolving Credit Commitment in effect on
such date or to which any Obligations are owing on such date.

          "ISSUING BANK" means "Issuing Bank" as defined in the Credit
Agreement.

          "LENDER" means "Lender" as defined in the Credit Agreement.

          "LETTERS OF CREDIT" means "Letters of Credit" as defined in the Credit
Agreement.

          "LIEN" means "Lien" as defined in the Credit Agreement.


          "MATERIAL SUBSIDIARY" means "Material Subsidiary" as defined in the
Credit Agreement.


                                       -3-
<PAGE>

          "NOTICE OF ACTIONABLE DEFAULT" means a written certification to the
Trustee and the Company (i) from the Agent or from or on behalf of the Requisite
Lenders certifying that an Actionable Default has occurred with respect to the
Obligations or (ii) from any Public Trustee or Representative or the requisite
Public Lenders or Refinancing Lenders under any Public Indenture or Refinancing
Instrument, respectively (to be determined by reference to such Public Indenture
or Refinancing Instrument) certifying that an Actionable Default has occurred
with respect to the Public Debt or Refinancing Debt under such Public Indenture
or Refinancing Instrument.

          "OBLIGATIONS" means "Obligations" as defined in the Credit Agreement.

          "PERSON" means "Person" as defined in the Credit Agreement.

          "PLEDGE AGREEMENTS" means, collectively, the Company Pledge Agreement
and each other pledge agreement that may be entered into from time to time by a
Subsidiary of the Borrower in accordance with SECTION 5.09 of the Credit
Agreement.

          "PLEDGED STOCK" means any and all "Pledged Shares" as defined in the
Pledge Agreements.

          "PROCEEDS" means "proceeds" as defined in Section 9-306(1) of the UCC
and, whether or not the following constitute proceeds under such Section, any
and all amounts from time to time paid or payable to any of the Grantors upon
the sale, exchange, collection or other disposition of any part of the
Collateral.

          "PUBLIC DEBT" means, as of any date, the indebtedness outstanding on
such date under the Public Indentures.

          "PUBLIC INDENTURES" means the Trust Indentures listed and described on
SCHEDULE 2 attached hereto and made a part hereof.

          "PUBLIC LENDERS" means, as of any date, the holders of the Public
Debt.

          "PUBLIC TRUSTEES" means, as of any date, the trustees under the Public
Indentures.

          "REFINANCING DEBT" means, as of any date, the indebtedness outstanding
on such date under the Refinancing Instruments.


          "REFINANCING INSTRUMENTS" means those instruments, indentures,
documents or agreements pursuant to which indebtedness is incurred to refinance,
replace, extend, renew, refund, restate, modify, defer, substitute, supplement,
re-issue or resell any Secured Debt.

          "REFINANCING LENDERS" means, as of any date, the holders of
Refinancing Debt.

          "REPRESENTATIVE" means any Person acting in a fiduciary, trust or
custodial capacity under the Refinancing Instruments for the holders of
Refinancing Debt.

          "REQUISITE LENDERS" means the "Requisite Lenders" as defined in the
Credit Agreement.

          "REVOLVING CREDIT COMMITMENTS" means the "Revolving Credit
Commitments" as defined in the Credit Agreement.


                                       -4-
<PAGE>

          "SECURED DEBT" means, as of any date, the Obligations,   the Public
Debt and the Refinancing Debt, regardless of whether such obligations and
liabilities are absolute or contingent, due or not due, liquidated or
unliquidated and whether or not for the payment of money or the performance or
nonperformance of any act, arising under any Debt Instrument, this Agreement or
any Security Document.

          "SECURED PARTY" means the Trustee, any Lender, any Issuing Bank, the
Agent, any Public Lender, and Refinancing Lender, any Public Trustee or any
Representative.

          "SECURITY DOCUMENTS" means each Pledge Agreement existing as of the
date hereof or entered into from time to time, any additional documents executed
to reflect the grant to the Trustee of any interest (including, without
limitation, a Lien) in any Collateral, any Uniform Commercial Code financing
statements executed and filed to perfect the grant of such interest, and any
other agreement or document referred to in SECTION 2.4, SECTION 5.7 or
SECTION 8.1 of this Agreement or in the Pledge Agreements, as the same may be
amended, restated, supplemented or otherwise modified from time to time in
accordance with their respective terms.

          "SUBSIDIARY" means "Subsidiary" as defined in the Credit Agreement.

          "TRUST AGREEMENT COLLATERAL" means "Trust Agreement Collateral" as
defined in SECTION 4.2(a) of this Agreement.

          "TRUSTEE'S FEES" means all fees, costs and expenses of the Trustee of
the types described in SECTIONS 5.3, 5.4, 5.5 and 5.6 of this Agreement.

          "TRUSTEE'S LIENS" means all Liens against the Trust Estate which
result from (i) claims against the Trustee (whether in its or his individual
capacity or its or his capacity as Trustee) unrelated to the transactions
contemplated by this Agreement and the Security Documents or (ii) affirmative
acts by the Trustee (whether in its or his individual or trust capacity)
creating a Lien other than as contemplated by this Agreement.

          "UCC" means the Uniform Commercial Code as in effect in the State of
New York, as the same may be amended from time to time.

          (b)  The words "hereof", "herein" and "hereunder" and words of similar
import when used in this Agreement shall refer to this Agreement as a whole and
not to any particular provision of this Agreement and all section references
herein are to this Agreement unless otherwise specified.

          (c)  Subject to SECTION 4.5 of this Agreement, in each case herein
where any payment or distribution is to be made or notice is to be given to
"Secured Parties", such payments, distributions and notices shall be made to the
Public Trustees, and the Representatives for their benefit and for the benefit
of the Public Lenders and the Refinancing Lenders and to the Agent for its
benefit and for the benefit of the Lenders, the Issuing Banks and their
respective successors and assigns.

          (d)  All terms defined in this Agreement in the singular shall have
comparable meanings when used in the plural, and vice versa, unless otherwise
specified.

          (e)  Terms not otherwise defined herein which are defined in or used
in Article 9 of the UCC on the date hereof shall herein have the meanings given
to them in such Article 9.


                                       -5-
<PAGE>

                                    SECTION 2

                  CERTAIN OBLIGATIONS AND DUTIES OF THE TRUSTEE
                       AND THE COMPANY; POWERS OF ATTORNEY

          Section 2.1.  AUTHORIZATION TO EXECUTE SECURITY DOCUMENTS.  The
Trustee shall execute and deliver each of the Security Documents requiring
execution and delivery by it and shall accept delivery from the Grantors of
those Security Documents which do not require the Trustee's execution.

          Section 2.2.  CERTAIN REPRESENTATIONS AND WARRANTIES.  (a)  The
Corporate Trustee, in its capacity as trustee hereunder, and Wilmington Trust
Company, in its individual capacity, each represent and warrant to the Holders
as follows:

          (i)  Wilmington Trust Company is a banking corporation duly
     incorporated, validly existing and in good standing under the laws of
     its jurisdiction of incorporation and has all required corporate power
     and authority to enter into and perform its obligations under this
     Agreement and the Security Documents to which it is a party.

          (ii)  The execution, delivery and performance by the Corporate
     Trustee of this Agreement and the Security Documents to which it is a
     party have been duly authorized by all necessary corporate action on
     the part of Wilmington Trust Company.

          (iii)  There are no Trustee's Liens and Wilmington Trust Company,
     in its individual capacity, has no Liens against any portion of the
     Trust Estate.

          (iv)  There are no actions or proceedings pending or, to the
     actual knowledge of any officers of Wilmington Trust Company's
     Corporate Trust Administration, threatened against it before any
     Governmental Authority (A) which question the validity or
     enforceability of this Agreement or any Security Documents to which it
     is a party or any other actions or proceedings before any Governmental
     Authority; or (B) which relate to the banking or trust powers of
     Wilmington Trust Company and which, if determined adversely to the
     position of Wilmington Trust Company, would materially and adversely
     affect the ability of Wilmington Trust Company, the Corporate Trustee,
     William J. Wade or the Individual Trustee to perform their respective
     obligations under this Agreement or any of the Security Documents to
     which any one or more of them is a party.

          (v)  This Agreement and all of the Security Documents to which
     the Corporate Trustee is a party have been duly executed and delivered
     by it.

          (vi)  No Uniform Commercial Code financing statements or other
     filings or recordations executed by or on behalf of Wilmington Trust
     Company (in its individual capacity) have been filed by or against it
     with respect to any of the Collateral.

          (b)  The Individual Trustee, in his capacity as trustee hereunder, and
William J. Wade, in his individual capacity, each represent and warrant to the
Holders as follows:

          (i)  William J. Wade has full capacity to enter into and perform
     his obligations under this Agreement and the Security Documents to
     which he is a party.


                                       -6-
<PAGE>

          (ii)  This Agreement and the Security Documents to which the
     Individual Trustee is a party have been duly executed and delivered by
     him.

          (iii)  No Uniform Commercial Code financing statements or other
     filings or recordations executed by or on behalf of William J. Wade
     (in his individual capacity) have been filed by or against him with
     respect to any of the Collateral.

          (iv)  There are no actions or proceedings pending, or, to the
     knowledge of William J. Wade, threatened against William J. Wade
     before any Governmental Authority which question the validity or
     enforceability of this Agreement or any Security Document to which he
     is a party.

          (v)  There are no Trustee's Liens resulting from claims against
     or acts or breaches by the Individual Trustee, and William J. Wade, in
     his individual capacity, has no Liens against any portion of the Trust
     Estate.

          Section 2.3.  ACTIONS.  The Trustee shall take any action with respect
to the Collateral and the Security Documents requested in writing by the
Requisite Lenders, including, without limitation, the release in accordance with
SECTION 7.4 of any portion of the Collateral from the Liens created under the
Security Documents, and shall release all of the Collateral when required by
SECTION 7.3 hereof from the Liens created under the Security Documents,
PROVIDED, HOWEVER, that the Trustee shall not be obligated to take any such
action which is in conflict with any provisions of law or of this Agreement or
the Security Documents or with respect to which the Trustee has not received
adequate security or indemnity as provided in SECTION 6.4(d). The Trustee, prior
to its receipt of a Notice of Actionable Default, shall with reasonable
promptness give notice to the Company of any such request from the Lenders or
from the Agent on behalf of the Lenders, but it is hereby expressly agreed that
the Trustee's failure to give such notice to the Company shall not affect the
validity of the Lenders' or the Agent's request to the Trustee.

          Section 2.4.  ADDITIONAL SECURITY DOCUMENTS.  The Company shall
immediately notify the Trustee in the event that any Grantor or any other
Subsidiary of the Company becomes obligated to grant a Lien in any property to
the Trustee under the terms of the Credit Agreement or the Pledge Agreements but
which is not covered by a Security Document in a manner which will perfect the
Lien on such property in favor of the Trustee without further act or deed of the
Trustee, such Grantors or such Subsidiary and, to the extent that such security
interest may be perfected by the execution and/or filing of Security Documents,
such Grantor or other Subsidiary of the Company shall immediately prepare,
execute and deliver to the Trustee such Security Documents (including, without
limitation, a Pledge Agreement), in form and substance satisfactory to the
Requisite Lenders, as are necessary to perfect the Lien on such property in
favor of the Trustee.  If the signature of the Trustee is required on any such
Security Document, the applicable Grantor shall present such Security Document
to the Trustee for signature and the Trustee shall execute such Security
Document and such Grantor shall file such Security Document with appropriate
public filing and/or recording offices if such filing and/or recording is
required or advisable to perfect or protect the Lien upon and security interest
in such property in favor of the Trustee.  Such Grantor shall supply the Trustee
with an executed copy of each such Security Document and satisfactory proof that
each such Security Document has been properly filed or recorded, if filing or
recording is required under this SECTION 2.4.

          2.5.  POWERS OF ATTORNEY.  The Grantors hereby irrevocably constitute
and appoint the Trustee and any officer or agent thereof, with full power of
substitution, as its true and lawful attorney-in-fact with full power


                                       -7-
<PAGE>

and authority in the name of the Grantors or any of them or the name of such
attorney-in-fact, from time to time in the Trustee's discretion, for the purpose
of signing documents and taking other action to perfect, preserve and protect
the Liens and security interests of the Trustee in the Collateral.  This power
of attorney is a power coupled with an interest, shall be irrevocable and shall
not be subject to the limitations of SECTION 3.2(a) of this Agreement.


                                    SECTION 3
                          ACTIONABLE DEFAULTS; REMEDIES

          Section 3.1.  ACTIONABLE DEFAULT.  (a)  Upon receipt of a Notice of
Actionable Default, the Trustee shall, within five (5) days thereafter, notify
each Holder and the Company in the manner provided in SECTION 8.2 of this
Agreement that an Actionable Default exists.  Upon receipt of any written
directions pursuant to SECTION 3.6(a) of this Agreement, the Trustee shall,
within five (5) Business Days thereafter, send a copy thereof to each Lender,
each Public Trustee and each Representative.

          (b)  The party or parties giving a Notice of Actionable Default (or
successors in interest thereto) shall be entitled to withdraw it by delivering
written notice of withdrawal to the Trustee (i) before the Trustee takes any
action to exercise any remedy with respect to the Collateral, or (ii)
thereafter, if (A) the Company otherwise indemnifies the Secured Parties (in a
manner satisfactory to the Secured Parties in their sole discretion) with
respect to all costs and expenses incurred by the Secured Parties in connection
with reversing all actions the Trustee has taken to exercise any remedy or
remedies with respect to the Collateral, and (B) the Requisite Lenders shall
have consented in writing to such reversal.  The Trustee shall immediately
notify the Company as to the receipt and contents of any such notice of
withdrawal and shall promptly notify each Holder, in the manner provided in
SECTION 8.2 of this Agreement, of the withdrawal of any Notice of Actionable
Default.  A party giving a Notice of Actionable Default shall be deemed to have
delivered a written notice of withdrawal as provided in the first sentence of
this SECTION 3.1(b) upon the Trustee's receipt of confirmation in writing from
such party that it has been paid in full the Secured Debt owing to it.

          (c)  To the extent that any Notice of Actionable Default shall give
rise to any of the rights and remedies provided in this SECTION 3 and the rights
and remedies provided in any of the Security Documents or shall prohibit the
Company or any Grantor from taking certain actions as specified herein, such
rights and remedies shall be suspended, and any exercise thereof by the Trustee
shall cease, and such prohibitions on the Company shall not remain in effect,
upon the withdrawal of such Notice of Actionable Default pursuant to the terms
and provisions of SECTION 3.1(b) of this Agreement, PROVIDED, that such rights
and remedies, and such prohibitions, shall be reinstated upon the giving of any
later Notice of Actionable Default.

          Section 3.2.  REMEDIES.  (a)  If and only if the Trustee shall have
received a Notice of Actionable Default, and during such time as such Notice of
Actionable Default shall not have been withdrawn in accordance with the
provisions of SECTION 3.1(b) hereof, the Trustee may, and upon the written
direction of the Requisite Lenders shall, exercise the rights and remedies
provided in this SECTION 3 and the rights and remedies provided in any of the
Security Documents.

          (b)  The Grantors hereby waive presentment, demand, protest or any
notice (to the extent permitted by applicable law and except as otherwise
expressly provided in this Agreement or the Credit Agreement) of any kind in
connection with this Agreement, any Collateral or any Security Document.


                                       -8-
<PAGE>

          (c)  Each of the Grantors hereby irrevocably constitute and appoint
the Trustee and any officer or agent thereof, with full power of substitution,
as its true and lawful attorney-in-fact with full power and authority in the
name of the Grantors, or any of them, or in its own name, from time to time in
the Trustee's discretion, upon the occurrence and during the continuance of any
Actionable Default, for the purpose of carrying out the terms of this Agreement
and any of the Security Documents, to take any and all appropriate action and to
execute any and all documents and instruments which may be necessary or
desirable to accomplish the purposes hereof and thereof and, without limiting
the generality of the foregoing, hereby give the Trustee the power and right on
behalf of the Grantors, or any of them, without notice to or assent by any of
the Grantors, to the extent permitted by applicable law, to do the following:

          (i)  to ask for, demand, sue for, collect, receive and give
     acquittance for any and all moneys due or to become due with respect
     to the Collateral,

          (ii)  to receive, take, endorse, assign and deliver any and all
     checks, notes, drafts, acceptances, documents and other negotiable and
     nonnegotiable instruments, documents and chattel paper taken or
     received by the Trustee in connection with this Agreement or any of
     the Security Documents,

          (iii)  to commence, file, prosecute, defend, settle, compromise
     or adjust any claim, suit, action or proceeding with respect to the
     Collateral,

          (iv)  to sell, transfer, assign or otherwise deal in or with the
     Collateral or any part thereof pursuant to the terms and conditions of
     this Agreement and the Security Documents, and

          (v)  to do, at its option and at the expense and for the account
     of any or all of the Grantors, at any time or from time to time, all
     acts and things which the Trustee deems reasonably necessary to
     protect or preserve the Collateral or the Trust Estate and to realize
     upon the Collateral.

          Section 3.3.  RIGHT TO INITIATE JUDICIAL PROCEEDINGS, ETC.  If and
only if the Trustee shall have received a Notice of Actionable Default and
during such time as such Notice of Actionable Default shall not have been
withdrawn in accordance with the provisions of SECTION 3.1(b) hereof, (i) the
Trustee shall have the right and power to institute and maintain such suits and
proceedings as it may deem appropriate to protect and enforce the rights vested
in it by this Agreement and the Security Documents, and (ii) the Trustee may
proceed by suit or suits at law or in equity to enforce such rights and to
foreclose upon the Collateral or any portion thereof and to sell all or, from
time to time, any of the Trust Estate under the judgment or decree of a court of
competent jurisdiction.

          Section 3.4.  APPOINTMENT OF A RECEIVER.  If a receiver of the Trust
Estate shall be appointed in judicial proceedings, Wilmington Trust Company may
be appointed as such receiver.  Notwithstanding the appointment of a receiver,
the Trustee shall, to the extent permitted by law, be entitled to retain
possession and control of all cash held by or deposited with it or its agents or
co-trustees pursuant to any provision of this Agreement or any Security
Document.

          Section 3.5.  EXERCISE OF POWERS.  All of the powers, remedies and
rights of the Trustee as set forth in this Agreement may be exercised by the
Trustee in respect of any Security Document as though set forth at length
therein and all the powers, remedies and rights of the Trustee as set forth in
any Security Document may be exercised from time to time as herein and therein


                                       -9-
<PAGE>

provided.

          Section 3.6.  CONTROL BY THE REQUISITE LENDERS.  (a)  Subject to
SECTION 3.6(b) of this Agreement, if the Trustee shall have received a Notice of
Actionable Default and during the period from such receipt until such Notice of
Actionable Default is withdrawn in accordance with the provisions of
SECTION 3.1(b) hereof, the Requisite Lenders shall have the right, by an
instrument in writing executed and delivered to the Trustee, to direct the
Trustee to exercise, or to refrain from exercising, any right, remedy, trust or
power available to or conferred upon the Trustee hereunder, and in connection
therewith, to direct the time, method and place of conducting any proceeding for
any right or remedy available to the Trustee, or of exercising any trust or
power conferred on the Trustee, or for the appointment of a receiver, or for the
taking of any other action authorized by this SECTION 3, provided that the
Trustee shall have received adequate security or indemnity as provided in
SECTION 6.4(d) of this Agreement.

          (b)  The Trustee shall not be obligated to follow any written
directions received pursuant to SECTION 3.6(a) or SECTION 2.3 of this Agreement
to the extent the Trustee has received a written opinion of Richards, Layton &
Finger or other counsel reasonably satisfactory to the Requisite Lenders to the
effect that such written directions are in conflict with any provisions of law
or this Agreement; PROVIDED, HOWEVER, under no circumstances shall the Trustee
be liable for following the written instructions of the Requisite Lenders.

          (c)  Nothing in this SECTION 3.6 shall impair the right of the Trustee
in its discretion to take or omit to take any action which action or omission is
deemed proper by the Trustee and which is not inconsistent with any direction of
the Requisite Lenders; PROVIDED, HOWEVER, the Trustee shall not be under any
obligation, as a result of this SECTION 3.6, to take any action which is
discretionary with the Trustee under the provisions hereof or under any Security
Document unless so directed by the Requisite Lenders.

          Section 3.7.  REMEDIES NOT EXCLUSIVE.  (a)  No remedy conferred upon
or reserved to the Trustee herein or in the Security Documents is intended to be
exclusive of any other remedy or remedies, but every such remedy shall be
cumulative and shall be in addition to every other remedy conferred herein or in
any of the Security Documents or now or hereafter existing at law or in equity
or by statute.

          (b)  No delay or omission by the Trustee in the exercise of any right,
remedy or power accruing upon any Actionable Default shall impair any such
right, remedy or power or shall be construed to be a waiver of any such
Actionable Default or an acquiescence therein; and every right, power and remedy
given by this Agreement or any Security Document to the Trustee may be exercised
from time to time and as often as may be deemed expedient by the Trustee.

          (c)  In case the Trustee shall have proceeded to enforce any right,
remedy or power under this Agreement or any Security Document and the proceeding
for the enforcement thereof shall have been discontinued or abandoned for any
reason or shall have been determined adversely to the Trustee, then, and in
every such case, subject to any effect of or determination in such proceeding,
(i) the Grantors, the Trustee and the Holders shall severally and respectively
be restored to their former positions and rights hereunder and under such
Security Document with respect to the Trust Estate and in all other respects,
and (ii) thereafter all rights, remedies and powers of the Trustee shall
continue in all other respects as though no such proceeding had been taken.

          (d)  All rights of action and rights to assert claims upon or under
this Agreement and the Security Documents may be enforced by the Trustee


                                      -10-
<PAGE>

without the possession of any Debt Instrument or the production thereof in any
trial or other proceeding relative thereto, and any such suit or proceeding
instituted by the Trustee shall be brought in its name as Trustee and any
recovery of judgment shall be held as part of the Trust Estate.

          Section 3.8.  WAIVER OF CERTAIN RIGHTS.  The Grantors, to the extent
they may lawfully do so, on behalf of themselves and all who may claim through
or under them, including, without limitation, any and all subsequent creditors,
vendees, assignees and lienors, expressly waive and release any, every and all
rights to demand or to have any marshalling of the Trust Estate upon any sale,
whether made under any power of sale granted under the Security Documents,
pursuant to judicial proceedings, or upon any foreclosure or any enforcement of
this Agreement or the Security Documents, and consent and agree that the Trust
Estate may at any such sale be offered and sold as an entirety or in part.

          Section 3.9.  LIMITATION ON TRUSTEE'S DUTIES IN RESPECT OF COLLATERAL.
Other than the Trustee's duties set forth in this Agreement and the Security
Documents as to the custody of moneys, stock certificates and stock powers
received by the Trustee hereunder and the accounting to the Grantors and the
Holders therefor, the Trustee shall have no duty to the Grantors or the Holders
with respect to any Collateral in its possession or control or in the possession
or control of its agent or nominee, any income thereon, or the preservation of
rights against prior parties or any other rights pertaining thereto.

          Section 3.10.  LIMITATION BY LAW.  All the provisions of this
SECTION 3 are intended to be subject to all applicable mandatory provisions of
law which may be controlling in the premises and to be limited to the extent
necessary so that they will not render this Agreement invalid or unenforceable
in whole or in part.

          Section 3.11.  ABSOLUTE RIGHTS OF HOLDERS.  Notwithstanding any other
provision of this Agreement or any provision of any Security Document, but
subject in all cases to the rights of the Requisite Lenders under SECTION 3.6
hereof, neither the right of each Holder, which is absolute and unconditional,
to receive payments of the Secured Debt held by such Holder on or after the due
date thereof as therein expressed, to institute suit for the enforcement of such
payment on or after such due date, or to assert its position and views as a
secured creditor in, and to otherwise exercise any right (other than the right
to enforce any Lien on the Collateral, which shall in all circumstances be
exercisable only by the Trustee at the direction of the Requisite Lenders) it
may have in connection with, a case under the Bankruptcy Code in which any of
the Grantors is a debtor, nor the obligation of any of the Grantors, which is
also absolute and unconditional, to pay the Secured Debt owing by the Company,
to each Holder at the time and place expressed in the Debt Instruments, shall be
impaired or affected without the consent of such Holder.

          Section 3.12.  EQUAL AND RATABLE SECURITY.  This Agreement and the
Security Documents are intended to secure the unpaid principal of and accrued
interest and premium, if any, on the Public Debt and the Refinancing Debt,
together with all expenses, charges or other amounts arising under the Public
Indentures and the Refinancing Instruments, respectively, equally and ratably
with all other Secured Debt to the extent required by the Public Indentures and
the Refinancing Instruments, respectively, and shall be construed and enforced
to give effect to such intention.


                                      -11-
<PAGE>

                                    SECTION 4
                    COLLATERAL ACCOUNT; APPLICATION OF MONEYS

          Section 4.1.  THE COLLATERAL ACCOUNT.  Until the trusts created by
this Agreement shall have terminated, there shall be maintained with the
Corporate Trustee an account which shall be entitled the "Collateral Account"
(herein called the "COLLATERAL ACCOUNT").  The Collateral Account shall be
established and maintained by the Corporate Trustee at the principal office of
the Corporate Trustee at which the corporate trust activities of the Corporate
Trustee are administered.  After a Notice of Actionable Default has been
received by the Trustee and prior to its withdrawal, the Requisite Lenders may
give a notice to the Grantors (with a copy to the Trustee) directing the
Grantors to pay, or cause to be paid, all dividends and distributions payable
with respect to the Collateral (until such time as such Notice of Actionable
Default is withdrawn) directly to the Trustee for deposit into the Collateral
Account.  All moneys which are received by the Trustee with respect to the
Collateral after the Trustee shall have received a Notice of Actionable Default
which shall not have been withdrawn in accordance with the terms of
SECTION 3.1(b) hereof shall be deposited in the Collateral Account and
thereafter shall be held, applied and/or disbursed by the Corporate Trustee in
accordance with the terms of this Agreement.  All moneys received by the Trustee
with respect to all or any part of the Collateral EITHER (i) prior to Trustee's
receipt of a Notice of Actionable Default, OR (ii) after the withdrawal of all
pending Notices of Actionable Default in accordance with the terms of
SECTION 3.1(b) hereof and prior to Trustee's receipt of any additional Notice of
Actionable Default, shall be delivered to the Company, the Grantors or any other
Person entitled thereto at such Person's instruction.  All moneys received by
the Trustee with respect to all or any part of the Collateral between the
receipt by the Trustee of any Notice of Actionable Default and the withdrawal of
all pending Notices of Actionable Default in accordance with the terms of
SECTION 3.1(b) hereof shall, to the extent not distributed pursuant to the terms
of SECTION 4.4 of this Agreement, be delivered to the Company or any other
Person entitled thereto at such Person's instruction following the withdrawal of
all pending Notices of Actionable Default in accordance with SECTION 3.1(b).

          Section 4.2.  GRANT OF SECURITY INTEREST; CONTROL OF COLLATERAL
ACCOUNT.  (a)  To secure the prompt and complete payment, when due, of the
Secured Debt and all amounts owing to the Secured Parties hereunder and under
the Security Documents, and the performance by the Grantors of their respective
covenants and obligations to be performed by them pursuant to the Debt
Instruments, this Agreement and the Security Documents, the Grantors hereby
assign and pledge to the Trustee and grant to the Trustee a security interest in
all of the right, title and interest of the Grantors, or any of them, in and to
the following, whether presently existing or hereafter arising or acquired (the
"TRUST AGREEMENT COLLATERAL"):  the Collateral Account, all cash deposited
therein, all certificates and instruments, if any, from time to time
representing the Collateral Account; all investments from time to time made
pursuant to SECTION 4.3 hereof; all notes, certificates of deposit and other
instruments from time to time hereafter delivered to or otherwise possessed by
the Trustee in substitution for, or in addition to, any or all of the then
existing Trust Agreement Collateral; all interest, dividends, cash, instruments
and other property from time to time received in respect of or in exchange for
any or all of the then existing Trust Agreement Collateral so long as they are
required to be deposited in the Collateral Account; and to the extent not
covered above, all Proceeds of any and all collections, earnings and accruals
with respect to any or all of the foregoing (whether the same are acquired
before or after the commencement of a case under the Bankruptcy Code by or
against any of the Grantors as a debtor).

          (b)  All right, title and interest in and to the Collateral Account
shall vest in the Corporate Trustee, and funds on deposit in the Collateral
Account and other Trust Agreement Collateral shall constitute part


                                      -12-
<PAGE>

of the Trust Estate.  The Collateral Account shall be subject to the exclusive
dominion and control of the Corporate Trustee.

          Section 4.3.  INVESTMENT OF FUNDS DEPOSITED IN COLLATERAL ACCOUNT.
The Corporate Trustee shall invest and reinvest moneys on deposit in the
Collateral Account at any time in:

          (i)  marketable obligations of the United States having a
     maturity not exceeding the date one year from the date of acquisition;

          (ii)  marketable obligations directly and fully guaranteed by the
     United States having a maturity not exceeding the date one year from
     the date of acquisition;

          (iii)  bankers' acceptances and certificates of deposit and other
     interest-bearing obligations issued by Wilmington Trust Company or any
     bank organized under the laws of the United States or any state
     thereof (PROVIDED, HOWEVER, that such bank has capital, surplus and
     undivided profits aggregating at least $100,000,000), in each case
     having a maturity not exceeding the date one year from the date of
     acquisition;

          (iv)  commercial paper (except for commercial paper issued by the
     Company or any of its Affiliates) rated A-1 or the equivalent thereof
     by Standard & Poor's Ratings Group or P-1 or the equivalent thereof by
     Moody's Investors Service, Inc., and having a maturity not exceeding
     the date two hundred and seventy (270) days from the date of
     acquisition; and

          (v)  repurchase obligations entered into with Wilmington Trust
     Company or any bank (PROVIDED, HOWEVER, that such bank meets the
     requirements set forth in SECTION 4.3(iii) above), having a maturity
     not exceeding the earlier of the Distribution Date next following the
     date of acquisition or the date thirty (30) days from the date of
     acquisition, and collateralized by investments described in
     SECTIONS 4.3(i) and 4.3(ii) hereof, provided that the Trustee takes
     immediate physical possession of such collateral;

PROVIDED, HOWEVER, that in order to provide the Holders with a perfected
security interest therein, each such investment shall be either:

          (A)  evidenced, or deemed under applicable federal regulations to
     be evidenced, by negotiable certificates or instruments or
     nonnegotiable certificates or instruments issued in the name of the
     Corporate Trustee, which (together with any appropriate instruments of
     transfer) are delivered to, and held by, the Corporate Trustee or an
     agent thereof (which shall not be the Company or any of its
     Affiliates) in New York; or

          (B)  in book-entry form and issued in the State of New York and
     in which (in the opinion of independent counsel to the Trustee) the
     Trustee shall have a perfected ownership or security interest which
     under applicable law shall not be subject to any other ownership or
     security interest;

and PROVIDED FURTHER that the maximum amount of the funds held in the Collateral
Account which may be invested in obligations of the types described in clauses
(iii), (iv) and (v) above of any one issuer shall not exceed the lesser of five
percent (5.0%) of such funds or $10,000,000.  All such investments and the
interest and income received thereon and therefrom and the net proceeds realized
on the sale thereof shall be held in the Collateral Account as part of the Trust
Estate.


                                      -13-
<PAGE>

          Section 4.4.  APPLICATION OF MONEYS.  (a)  Subject to SECTION 4.1 and
SECTION 4.5 hereof, all moneys held by the Corporate Trustee in the Collateral
Account shall, to the extent available for distribution, be distributed (or
deposited in separate accounts for the benefit of any Public Trustee or
Representative pursuant to SECTION 4.5) by the Corporate Trustee on the first
and each succeeding Distribution Date as follows:

          FIRST:  To the Trustee in an amount equal to the Trustee's Fees
     which are unpaid as of such Distribution Date, and to any Secured
     Party which has theretofore advanced or paid any such Trustee's Fees
     in an amount equal to the amount thereof so advanced or paid by such
     Secured Party prior to such Distribution Date; PROVIDED, HOWEVER, that
     nothing herein is intended to relieve any of the Grantors of their
     respective obligations to pay such costs, fees, expenses and
     liabilities from funds outside of the Collateral Account;

          SECOND:  To the Secured Parties in an amount equal to the unpaid
     Secured Debt which is then due and payable and to secure unpaid
     Secured Debt which is not yet due and payable as provided in
     SECTION 4.4(b) below; PROVIDED, if such moneys shall be insufficient
     to pay and/or secure in full such amounts, then to the payment and/or
     security thereof ratably (without priority of any one over any other,
     except in accordance with applicable subordination provisions, if any,
     contained in the Debt Instruments) in proportion to the unpaid amounts
     thereof on the relevant Distribution Date; and

          THIRD:  Any surplus then remaining shall be paid to the Grantors
     or their respective successors or assigns, or to whomever may be
     lawfully entitled to receive the same, or as a court of competent
     jurisdiction may direct, PROVIDED, HOWEVER, that if any Secured Party
     shall have notified the Trustee in writing that a claim is pending for
     which such Secured Party is entitled to the benefits of an
     indemnification, reimbursement or similar provision under which
     amounts are not yet due but with respect to which any of the Grantors
     continue to be contingently liable, and amounts payable by such
     Grantor with respect thereto are secured by the Trust Estate, the
     Trustee shall continue to hold the amount specified in such notice in
     the Collateral Account until such Grantor's liability with respect
     thereto is discharged or released to the satisfaction of such Secured
     Party.

          (b)  In the event any of the Obligations, Public Debt or Refinancing
Debt consisting of principal is not due and payable on any Distribution Date,
the Grantors shall be deemed for purposes of the distribution made on such
Distribution Date to have an obligation to provide cash collateral in the amount
of such principal, and the amount distributed with respect to such obligation to
provide cash collateral shall be held by the Agent (if with respect to the
Obligations) or the applicable Public Trustee or Representative (if with respect
to the Public Debt or Refinancing Debt), subject to the provisions of this
SECTION 4.4(b), as cash collateral for such Secured Debt. In the event any
Obligations with respect to Letters of Credit (other than fees or unincurred
costs and expenses) are not due and payable on any Distribution Date, the
Grantors shall be deemed for purposes of the distribution made on such
Distribution Date to have an obligation to provide cash collateral in an amount
equal to the maximum amount of such Obligations, and the amount distributable
with respect to such obligation to provide cash collateral shall be held by the
Agent, subject to the provisions of this SECTION 4.4(b), as cash collateral for
such Obligations.  Amounts held by the Agent, any Public Trustee, any
Representative or the Trustee as cash collateral under this SECTION 4.4(b) shall
be invested in investments of the kinds referred to in SECTION 4.3(i) or 4.3(ii)
of this Agreement having


                                      -14-
<PAGE>

maturities of ninety (90) days or less, and interest earned on such investments
shall be (i) first, applied to interest accruing on the Secured Debt with
respect to which such cash collateral is held and (ii) second, deposited in the
Collateral Account.  The amount of any Secured Debt secured by such cash
collateral shall be reduced by the amount of such cash collateral for purposes
of calculating the amount of subsequent distributions under SECTION 4.4(a).
When any Secured Debt secured by cash collateral as provided above becomes due
and payable, the amount due and payable shall be paid out of such cash
collateral, up to but not in excess of the percentage of the principal amount of
other Secured Debt theretofore paid out of distributions from the Collateral
Account.  The balance of such cash collateral, if any, shall be deposited in the
Collateral Account.

          Section 4.5.  APPLICATION OF MONEYS DISTRIBUTABLE TO HOLDERS OF PUBLIC
DEBT AND REFINANCING DEBT.  If at any time any moneys collected or received by
the Trustee pursuant to this Agreement or any of the Security Documents are
distributable pursuant to SECTIONS 4.4(a) or 4.4(b) of this Agreement to any
Public Trustee or Representative, and if such Public Trustee or Representative
shall notify the Trustee that no provision is made under the applicable Public
Indenture or Refinancing Instrument (i) for the application by such Public
Trustee or Representative of such amounts so distributable (whether by virtue of
the Public Debt or Refinancing Debt not having become due and payable or
otherwise), or (ii) for the receipt and the holding by such Public Trustee or
Representative of such amounts pending the application thereof, then the Trustee
shall invest such amounts in investments of the kinds referred to in
SECTIONS 4.3(i) or 4.3(ii) of this Agreement having maturities of ninety (90)
days or less, and shall hold all such amounts so distributable, and all such
investments and the proceeds thereof, in lieu of such Public Trustee or
Representative if such amounts are distributable as cash collateral pursuant to
SECTION 4.4(b), or otherwise in trust solely for such Public Trustee or
Representative (in its capacity as trustee) and for no other purpose, until such
time as such Public Trustee or Representative shall request the delivery thereof
by the Trustee to such Public Trustee or Representative for application by it
pursuant to the Public Debt or Refinancing Debt (to the extent such application
is permitted hereunder).


                                    SECTION 5
                             AGREEMENTS WITH TRUSTEE

          Section 5.1.  DELIVERY OF DEBT INSTRUMENTS.  On the date of this
Agreement the Company will deliver to the Trustee true and complete copies of
the Debt Instruments and the Security Documents.  The Grantors agree that,
promptly upon the execution thereof, the Grantors will deliver to the Trustee a
true and complete copy of any and all other Debt Instruments, Security Documents
and all amendments, restatements, modifications or supplements to any Debt
Instrument or any Security Documents entered into by the Grantors subsequent to
the date of this Agreement.

          Section 5.2.  INFORMATION AS TO HOLDERS.  The Company agrees that it
shall deliver to the Trustee, upon the Trustee's request, a list setting forth,
by each Debt Instrument, (i) the aggregate principal amount outstanding
thereunder, (ii) with respect to the Obligations, to the extent known to the
Company, the names of the Holders of the Obligations, the unpaid principal
amount thereof owing to each Lender and whether any amount of Obligations
outstanding is subordinated to any extent to any of the other Secured Debt,
(iii) with respect to the Public Debt, the name of the Public Trustee appointed
under each Public Indenture and whether any amount of Public Debt outstanding
under each Public Indenture is subordinated to any extent to any of the other
Secured Debt, and (iv) with respect to the Refinancing Debt, the name of the
Representative appointed under each Refinancing Instrument and whether any
amount of Refinancing Debt outstanding under each Refinancing Instrument is
subordinated to any extent to any other Secured Debt.  The


                                      -15-
<PAGE>

Company agrees, from time to time, to furnish the Trustee with any information
necessary to update the foregoing list.  The Company will furnish to the Trustee
on the date of this Agreement a list setting forth the name and address of each
party to whom notices must be sent under the Debt Instruments, and the Company
agrees to furnish promptly to the Trustee any changes or additions to such list.

          Section 5.3.  COMPENSATION AND EXPENSES.  The Grantors jointly and
severally agree to pay to the Trustee the Trustee's customary fees as
compensation for the Trustee's services hereunder and under the Security
Documents and for administering the Trust Estate, and from time to time
following notice thereof and 10 Business Days, all of the fees, costs and
expenses of the Trustee (including, without limitation, the reasonable fees and
disbursements of its counsel and such special counsel, accountants or other
experts as the Trustee elects to retain) (i) arising in connection with the
preparation, execution, delivery, modification (requested by the Company),
restatement, amendment (requested by the Company) or termination of this
Agreement and each Security Document or the enforcement (whether in the context
of a civil action, adversary proceeding, workout or otherwise) of any of the
provisions hereof or thereof, or (ii) incurred or required to be advanced in
connection with the administration of the Trust Estate, the sale or other
disposition or the custody, preservation or protection of Collateral pursuant to
any Security Document and the exercise or enforcement of the Trustee's rights
under this Agreement and in and to the Collateral and the Trust Estate.  As
security for such payment, the Trustee shall have a Lien prior to the Secured
Debt upon all Collateral and other property and funds held or collected by the
Trustee as part of the Trust Estate.

          Section 5.4.  STAMP AND OTHER SIMILAR TAXES.  The Grantors jointly and
severally agree to indemnify and hold harmless the Trustee and each Holder from,
and shall reimburse the Trustee and each Holder for, any present or future claim
for liability for any stamp or other similar tax and any penalties or interest
with respect thereto, which may be assessed, levied or collected by any
jurisdiction in connection with this Agreement, any Security Document, the Trust
Estate, or the attachment or perfection of the security interest granted to the
Trustee in any Collateral.  The obligations of the Grantors under this
SECTION 5.4 shall survive the termination of the other provisions of this
Agreement.

          Section 5.5.  FILING FEES, EXCISE TAXES, ETC.  The Grantors jointly
and severally agree to pay or to reimburse the Trustee for any and all amounts
in respect of all search, filing, recording and registration fees, taxes, excise
taxes and other similar imposts which may be payable or determined to be payable
in respect of the execution, delivery, performance and enforcement of this
Agreement and each Security Document and agree to save the Trustee harmless from
and against any and all liabilities with respect to or resulting from any delay
in paying or omission to pay such taxes and fees.  The obligations of the
Grantors under this SECTION 5.5 shall survive the termination of the other
provisions of this Agreement.

          Section 5.6.  INDEMNIFICATION.  (a)  The Grantors jointly and
severally agree to pay, indemnify and hold the Trustee and each of its agents
harmless from and against any and all liabilities, obligations, losses, damages,
penalties, actions, judgments, suits, costs, expenses or disbursements of any
kind or nature whatsoever with respect to the execution, delivery, enforcement,
performance and administration of this Agreement and the Security Documents,
unless arising from the gross negligence, bad faith or willful misconduct of
such of the Trustee or the agents that are seeking indemnification.  As security
for such payment, the Trustee shall have a Lien prior to the Secured Debt upon
all Collateral and other property and funds held or collected by the Trustee as
part of the Trust Estate.

          (b)  In any suit, proceeding or action brought by the Trustee


                                      -16-
<PAGE>

under or with respect to the Collateral for any sum owing thereunder, or to
enforce any provisions thereof, or of any of the Security Documents or this
Agreement, the Grantors jointly and severally agree to save, indemnify and keep
the Trustee and the Holders harmless from and against all expense, loss or
damage suffered by reason of any defense, setoff, counterclaim, recoupment or
reduction of liability whatsoever of the obligor thereunder, arising out of a
breach by the Company or any of the Grantors of any of their respective
obligations hereunder or thereunder or arising out of any other agreement,
indebtedness or liability at any time owing to, or in favor of, such obligor or
its successors from the Company or Grantors, and all such obligations of the
Company or the Grantors shall be and remain enforceable against and only against
the Company and the Grantors and shall not be enforceable against the Trustee or
any Holder.

          (c)  The agreements in this SECTION 5.6 shall survive the termination
of the other provisions of this Agreement.

          Section 5.7.  FURTHER ASSURANCES.  At any time and from time to time,
upon the written request of the Trustee, and at the expense of the applicable
Grantor, each Grantor will promptly execute and deliver any and all such further
instruments and documents and take such further action as the Trustee may
reasonably deem necessary or desirable in obtaining the full benefits of this
Agreement and the Security Documents and of the rights and powers herein and
therein granted, including, without limitation, the filing of any financing or
continuation statements or other instruments to perfect the Liens and security
interests granted thereby.  The Grantors shall, not later than thirty (30) days
after the Requisite Lenders' or the Trustee's request therefor, deliver to the
Trustee an opinion of independent counsel, addressed to the Trustee for the
benefit of the Holders, concerning the continued perfection and priority of the
Liens and security interests created by the Security Documents (excluding,
however, those Liens and security interests which, in accordance with the terms
of this Agreement and the Security Documents, have been released); PROVIDED,
HOWEVER, that the Trustee shall have no obligation to request such opinion from
any of the Grantors.  The Grantors shall, in all of their published financial
statements customarily prepared with footnotes or filed with the Securities and
Exchange Commission, indicate by footnote or otherwise that the Secured Debt is
secured pursuant to this Agreement and the Security Documents.


                                    SECTION 6
                                   THE TRUSTEE

          Section 6.1.  ACCEPTANCE OF TRUST.  The Trustee, for itself and its
successors, hereby accepts the trusts created by this Agreement upon the terms
and conditions hereof, including those contained in this SECTION 6.

          Section 6.2.  EXCULPATORY PROVISIONS.  (a)  The Trustee shall not be
responsible in any manner whatsoever for the correctness of any recitals,
statements, representations or warranties contained herein or in the Security
Documents, except for those made by the Trustee.  The Trustee makes no
representations as to the value or condition of the Trust Estate or any part
thereof, or as to the title of the Grantors thereto or as to the security
afforded by the Security Documents or this Agreement or, except as set forth in
SECTION 2.2 of this Agreement, as to the validity, execution, enforceability,
legality or sufficiency of this Agreement, any Security Document or of the
Secured Debt secured hereby and thereby, and the Trustee shall incur no
liability or responsibility in respect of any such matters.  The Trustee shall
not be responsible for insuring the Trust Estate or for the payment of taxes,
charges, assessments or Liens upon the Trust Estate or otherwise as to the
maintenance of the Trust Estate, except that (i) in the event the Trustee enters
into possession of a part or all of the Trust Estate, the Trustee shall preserve
the part in its possession, and (ii) the Trustee


                                      -17-
<PAGE>

will promptly, and at its own expense, take such action as may be necessary duly
to remove and discharge (by bonding or otherwise) any Trustee's Lien on any part
of the Trust Estate or any other Lien on any part of the Trust Estate resulting
from claims against it (whether individually or as Trustee) not related to the
administration of the Trust Estate or (if so related) resulting from gross
negligence, bad faith or willful misconduct on its part.

          (b)  The Trustee shall not be required to ascertain or inquire as to
the performance by any of the Grantors of any of the covenants or agreements
contained herein, in any Security Document or in any Debt Instrument.  Whenever
it is necessary, or in the opinion of the Trustee advisable, for the Trustee to
ascertain the amount of Secured Debt then held by a Holder, the Trustee may rely
on a certificate of such Holder as to such amount.

          (c)  Wilmington Trust Company shall, in its individual capacity and at
its own cost and expense, promptly take all action as may be necessary to
discharge any Trustee's Liens or any other Lien resulting from claims against it
or William J. Wade (whether individually or as Trustee) not related to the
administration of the Trust Estate or (if so related) resulting from gross
negligence, bad faith or willful misconduct on its or his part.

          (d)  Subject to the provisions of the Pledge Agreements concerning the
Trustee's duty of care with respect to certificates evidencing the Pledged Stock
in the Trustee's possession, the Trustee shall not be personally liable for any
acts, omissions, errors of judgment or mistakes of fact or law made, taken or
omitted to be made or taken by it in accordance with this Agreement or any
Security Document (including, without limitation, acts, omissions, errors or
mistakes with respect to the Collateral), except for those arising out of or in
connection with the Trustee's gross negligence, bad faith or willful misconduct.
Notwithstanding anything set forth herein to the contrary, the Trustee shall
have a duty of reasonable care with respect to any "instruments" (as defined in
the UCC) which are delivered to the Trustee or its designated representatives as
part of the Collateral and are in the Trustee's or its designated
representatives' possession and control.

          Section 6.3.  DELEGATION OF DUTIES.  The Trustee may execute any of
the trusts or powers hereof and perform any duty hereunder either directly or by
or through agents, nominees or attorneys-in-fact, which (except with respect to
the Trustee's duties to maintain possession of any Collateral or any other
portion of the Trust Estate as expressly set forth herein or in the Security
Documents) may include employees or officers of the Company, PROVIDED, that the
Trustee shall obtain a written acknowledgment from such agents, nominees or
attorneys-in-fact that they shall be liable to the Holders for losses or damages
incurred by any such Holder as a result of such agent's, nominee's or
attorneys'-in-fact gross negligence, bad faith or willful misconduct as and to
the extent the Trustee would be liable for such losses or damages if the actions
or omissions of such agents, nominees or attorneys-in-fact constituting such
gross negligence, bad faith or willful misconduct had been actions or omissions
of the Trustee.  The Trustee shall be entitled to advice of counsel concerning
all matters pertaining to such trusts, powers and duties.  The Trustee shall not
be responsible for the negligence or misconduct of any agents, nominees or
attorneys-in-fact selected by it without gross negligence, bad faith or willful
misconduct.

          Section 6.4.  RELIANCE BY TRUSTEE.  (a)  Whenever in the
administration of the trusts of this Agreement the Trustee shall deem it
necessary or desirable that a matter be proved or established with respect to
any of the Grantors in connection with the taking, suffering or omitting of any
action hereunder by the Trustee, such matter (unless other evidence in respect
thereof is herein specifically prescribed) may be deemed to be conclusively
provided or established by a certificate of an Authorized Officer of the Company
delivered to the Trustee, and such certificate shall be full


                                      -18-
<PAGE>

warranty to the Trustee for any action taken, suffered or omitted in reliance
thereon, subject, however, to the provisions of SECTION 6.5 of this Agreement.

          (b)  The Trustee may consult with Richards, Layton & Finger or other
counsel reasonably satisfactory to the Requisite Lenders, accountants or other
experts in connection with the fulfillment of its duties hereunder, and the
Trustee shall be entitled to rely on the opinion of such counsel, accountants or
other experts in connection with any action taken, omitted to be taken or
suffered by the Trustee in fulfilling its duties hereunder.  The Trustee shall
have the right at any time to seek instructions concerning the administration of
the Trust Estate from any court of competent jurisdiction.

          (c)  The Trustee may rely, and shall be fully protected in relying,
upon any resolution, statement, certificate, instrument, opinion, report,
notice, request, consent, order, bond or other paper or document which it has no
reason to believe to be other than genuine and to have been signed or presented
by the proper party or parties or, in the case of cables, telecopies and
telexes, to have been sent by the proper party or parties, PROVIDED, HOWEVER,
that for the purpose of identifying the Requisite Lenders and the amounts of
their Revolving Credit Commitments and of Secured Debt held by them, the
information provided by the Company to the Trustee pursuant to SECTION 5.2 of
this Agreement must be confirmed in writing by the Agent.  In the absence of its
gross negligence, bad faith or willful misconduct, the Trustee may conclusively
rely, except as provided above, as to the truth of the statements and the
correctness of the opinions expressed therein, upon any certificates or opinions
furnished to the Trustee and conforming to the requirements of this Agreement or
any Security Document.

          (d)  If the Trustee has been requested to take action pursuant to
SECTION 2.3 or SECTION 3.6 of this Agreement, the Trustee shall not be under any
obligation to exercise any of the rights or powers vested in the Trustee by this
Agreement or any Security Document unless the Trustee shall have been provided
adequate security and indemnity against the costs, expenses and liabilities
which may be incurred by it in compliance with such request or direction,
including such reasonable advances as may be requested by the Trustee.

           Section 6.5.  LIMITATIONS ON DUTIES OF TRUSTEE.  (a)  The Trustee
shall be obliged to perform such duties and only such duties as are specifically
set forth in this Agreement or in any Security Document, and no implied
covenants or obligations shall be read into this Agreement or any Security
Document against the Trustee.  The Trustee shall, upon receipt of a Notice of
Actionable Default and during such time as such Notice of Actionable Default
shall not have been withdrawn in accordance with the provisions of
SECTION 3.1(b) hereof, exercise the rights and powers vested in it by this
Agreement or by any Security Document, and the Trustee shall not be liable with
respect to any action taken or omitted by it in accordance with the direction of
the Requisite Lenders pursuant to SECTION 3.6 of this Agreement.

          (b)  Except as herein otherwise expressly provided, including, without
limitation, upon the written request of the Requisite Lenders pursuant to
SECTION 3.6 of this Agreement, the Trustee shall not be under any obligation to
take any action which is discretionary with the Trustee under the provisions
hereof or under any Security Document.  The Trustee shall furnish to each Holder
promptly upon receipt thereof a copy of each certificate or other paper
furnished to the Trustee by any of the Grantors under or in respect of this
Agreement, any Security Document or any of the Trust Estate, unless by the
express terms of any Security Document a copy of the same is required to be
furnished by some other Person directly to the Holders, or the Trustee shall
have determined that the same has already been so furnished.

          Section 6.6.  MONEYS TO BE HELD IN TRUST.  All moneys received by


                                      -19-
<PAGE>

the Trustee under or pursuant to any provision of this Agreement or any Security
Document shall be held in trust for the purposes for which they were paid or are
held.

          Section 6.7.  RESIGNATION AND REMOVAL OF THE TRUSTEE.  (a)  The
Corporate Trustee or Individual Trustee may at any time, by giving sixty (60)
days' prior written notice to the Company and the Holders, resign and be
discharged of the responsibilities hereby created, such resignation to become
effective upon the appointment of a successor Trustee by the Requisite Lenders
with the consent of the Company, such consent not to be unreasonably withheld,
and the acceptance of such appointment by such successor Trustee.  The Corporate
Trustee or Individual Trustee may be removed at any time and a successor Trustee
appointed by the affirmative vote of the Requisite Lenders; PROVIDED THAT the
Corporate Trustee or Individual Trustee shall be entitled to its or his fees and
expenses to the date of removal.  If no successor Trustee shall be appointed and
approved within sixty (60) days from the date of the giving of the aforesaid
notice of resignation or within sixty (60) days from the date of such removal,
the Corporate Trustee or Individual Trustee, as applicable, shall, or any Holder
may, apply to any court of competent jurisdiction to appoint a successor trustee
or trustees to act until such time, if any, as a successor trustee or trustees
shall have been appointed as above provided.  Any successor trustee or trustees
so appointed by such court shall immediately and without further act be
superseded by any successor trustee or trustees approved by the Requisite
Lenders with the consent of the Company, such consent not to be unreasonably
withheld, as above provided.

          (b)  If at any time the Corporate Trustee or Individual Trustee shall
resign, be removed or otherwise become incapable of acting, or if at any time a
vacancy shall occur in the office of the Corporate Trustee or Individual Trustee
for any other cause, a successor trustee or trustees may be appointed by the
Requisite Lenders, with the consent of the Company, such consent not to be
unreasonably withheld, and the powers, duties, authority and title of the
predecessor trustee or trustees terminated and canceled without procuring the
resignation of such predecessor trustee or trustees, and without any other
formality (except as may be required by applicable law) than the appointment and
designation of a successor trustee or trustees in writing, duly acknowledged,
delivered to the predecessor trustee or trustees and the Company, and filed for
record in each public office, if any, in which this Agreement is required to be
filed.

          (c)  The appointment and designation referred to in SECTION 6.7(b) of
this Agreement shall, after any required filing, be full evidence of the right
and authority to make the same and all of the facts therein recited, and this
Agreement shall vest in such successor trustee or trustees, without any further
act, deed or conveyance, all of the estate and title of its predecessor or their
predecessors, and upon any required filing for record the successor trustee or
trustees shall become fully vested with all the estates, properties, rights,
powers, trusts, duties, authority and title of its predecessor or their
predecessors; but such predecessor or predecessors shall, nevertheless, on the
written request of the Requisite Lenders, the Company, or any successor trustee
or trustees, execute and deliver an instrument transferring to such successor or
successors all the estates, properties, rights, powers, trusts, duties,
authority and title of such predecessor or predecessors hereunder and shall
deliver all securities and moneys held by it or them to such successor trustee
or trustees.  Should any deed, conveyance or other instrument in writing from
any of the Grantors be required by any successor trustee or trustees for more
fully and certainly vesting in such successor trustee or trustees the estates,
properties, rights, powers, trusts, duties, authority and title vested or
intended to be vested in the predecessor trustee or trustees, any and all such
deeds, conveyances and other instruments in writing shall, on request of such
successor trustee or trustees, be so executed, acknowledged and delivered.


                                      -20-
<PAGE>

          (d)  Any required filing for record of the instrument appointing a
successor trustee or trustees as hereinabove provided shall be at the expense of
the Company.  The resignation of any trustee or trustees and the instrument or
instruments removing any trustee or trustees, together with all other
instruments, deeds and conveyances provided for in this SECTION 6 shall, if
required by law, be forthwith recorded, registered and filed by and at the
expense of the Company, wherever this Agreement is recorded, registered and
filed.

          Section 6.8.  STATUS OF SUCCESSORS TO THE CORPORATE TRUSTEE.  Every
successor to Wilmington Trust Company appointed pursuant to SECTION 6.7 of this
Agreement and every corporation resulting from a merger or consolidation
pursuant to SECTION 6.9 of this Agreement shall be a bank or trust company in
good standing and having power so to act, incorporated under the laws of the
United States or any State thereof or the District of Columbia, and having its
principal corporate trust office within the forty-eight (48) contiguous States,
and shall also have capital, surplus and undivided profits of not less than
$100,000,000.

          Section 6.9.  MERGER OF THE CORPORATE TRUSTEE.  Any corporation into
which the Corporate Trustee shall be merged, or with which it shall be
consolidated, or any corporation resulting from any merger or consolidation to
which the Corporate Trustee shall be a party, shall be the Corporate Trustee
under this Agreement without the execution or filing of any paper or any further
act on the part of the parties hereto.

          Section 6.10.  ADDITIONAL CO-TRUSTEES; SEPARATE TRUSTEES.  (a)  If at
any time or times it shall be necessary or prudent in order to conform to any
law of any jurisdiction in which any of the Collateral shall be located, or the
Trustee shall be advised by counsel, satisfactory to it, that it is necessary or
prudent in the interest of the Holders, or the Requisite Lenders shall in
writing so request, or the Trustee shall deem it desirable for its own
protection in the performance of its duties hereunder, the Trustee and the
Grantors shall execute and deliver all instruments and agreements necessary or
proper to constitute another bank or trust company, or one or more persons
approved by the Trustee and the Grantors either to act as co-trustee or
co-trustees of all or any of the Collateral, jointly with the Trustee originally
named herein or any successor or successors, or to act as separate trustee or
trustees of any such property.  In the event the Grantors shall not have joined
in the execution of such instruments and agreements within ten (10) days after
the receipt of a written request from the Trustee so to do, or in case an
Actionable Default shall have occurred and be continuing, the Trustee may act
under the foregoing provisions of this SECTION 6.10 without the concurrence of
the Grantors, and the Grantors hereby irrevocably appoint the Trustee as their
agent and attorney to act for them under the foregoing provisions of this
SECTION 6.10 in either of such contingencies.

          (b)  Every separate trustee and every co-trustee, other than any
trustee which may be appointed as successor to Wilmington Trust Company or
William J. Wade, shall, to the extent permitted by law, be appointed and act and
be such, subject to the following provisions and conditions, namely:

          (i)  all rights, powers, duties and obligations conferred upon
     the Trustee in respect of the custody, control and management of
     moneys, papers or securities shall be exercised solely by Wilmington
     Trust Company, or its successors as Trustee hereunder;

          (ii)  all rights, powers, duties and obligations conferred or
     imposed upon the Trustee hereunder shall be conferred or imposed and
     exercised or performed by the Trustee and such separate trustee or
     separate trustees or co-trustee or co-trustees, jointly, as shall be
     provided in the instrument appointing such separate trustee or
     separate trustees or


                                      -21-
<PAGE>

     co-trustee or co-trustees, except to the extent that under any law of any
     jurisdiction in which any particular act or acts are to be performed, the
     Trustee shall be incompetent or unqualified to perform such act or acts, in
     which event such rights, powers, duties and obligations shall be exercised
     and performed by such separate trustee or separate trustees or co-trustee
     or co-trustees;

          (iii)  no power given hereby to, or which it is provided hereby
     may be exercised by, any such co-trustee or co-trustees or separate
     trustee or separate trustees, shall be exercised hereunder by such
     co-trustee or co-trustees or separate trustee or separate trustees,
     except jointly with, or with the consent in writing of, the Trustee,
     anything herein contained to the contrary notwithstanding;

          (iv)  no trustee hereunder shall be personally liable by reason
     of any act or omission of any other trustee hereunder; and

          (v)  the Grantors and Trustee, at any time by an instrument in
     writing, executed by them jointly, may accept the resignation of or
     remove any such separate trustee or co-trustee, and in that case, by
     an instrument in writing executed by the Grantors and the Trustee
     jointly, may appoint a successor to such separate trustee or
     co-trustee, as the case may be, anything herein contained to the
     contrary notwithstanding.  In the event that the Grantors shall not
     have joined in the execution of any instrument within ten (10) days
     after the receipt of a written request from the Trustee so to do, or
     in case an Actionable Default shall have occurred and be continuing,
     the Trustee shall have the power to accept the resignation of or
     remove any such separate trustee or co-trustee and to appoint a
     successor without the concurrence of the Grantors, the Grantors hereby
     irrevocably appointing the Trustee their agent and attorney to act for
     them in such connection in either of such contingencies.  In the event
     that the Trustee shall have appointed a separate trustee or separate
     trustees or co-trustee or co-trustees as above provided, it may at any
     time, by an instrument in writing, accept the resignation of or remove
     any such separate trustee or co-trustee, the successor to any such
     separate trustee or co-trustee to be appointed by the Grantors and the
     Trustee, or by the Trustee alone, as hereinabove provided in this
     SECTION 6.10.


                                    SECTION 7
                              RELEASE OF COLLATERAL

          Section 7.1.  CONDITIONS TO RELEASE.  Subject to this SECTION 7.1, all
the Collateral shall be released on the earliest of:

          (a)  the date on which (i) all the Obligations shall have been
     paid to, or in the case of any Obligations which shall then not be due
     and payable, secured to the satisfaction of, the Lenders and the
     Revolving Credit Commitments of the Lenders shall have been terminated
     pursuant to the terms of the Credit Agreement and (ii) all accrued and
     unpaid Trustee's Fees shall have been paid in full;

          (b)  the date on which (i) the Company shall have received
     written instructions from all of the Lenders instructing the Company
     to direct the Trustee to release the Collateral, and (ii) all accrued
     and unpaid Trustee's Fees shall have been paid in full; or


                                      -22-
<PAGE>

          (c)  the date on which (i) the Company shall have received from the
     Agent written instructions to direct the Trustee to release the Collateral
     in accordance with the provisions of SECTION 9.07(d) of the Credit
     Agreement and (ii) all accrued and unpaid Trustee's Fees shall have been
     paid in full.

          Section 7.2.  PROCEDURE FOR RELEASE.  Upon the occurrence of the
events specified in either SECTION 7.1(a), 7.1(b) or 7.1(c), the Company, on
behalf of the Grantors, shall deliver a Discharge Notice to the Trustee (with a
copy thereof given to the Agent, each Public Trustee and each Representative).
Upon receipt by the Trustee of a Discharge Notice certifying that events set
forth in SECTION 7.1(a), 7.1(b) or 7.1(c) above have occurred, the Trustee shall
request the Agent to confirm in writing that the event described in
SECTION 7.1(a)(i), 7.1(b)(i) or 7.1(c)(i) of this Agreement has occurred.

          Section 7.3.  EFFECTIVE TIME OF RELEASE.  (a)  The Trustee shall
release the Collateral upon receipt by the
Trustee of (i) a Discharge Notice and (ii) the written confirmation from the
Agent specified in SECTION 7.2 of this Agreement.  The Trustee shall promptly
notify the Company, the Agent and the Holders, in the manner specified in
SECTION 8.2 of this Agreement, when the release of the Collateral is effective.

          (b)  When the release of the Collateral is effective, all right, title
and interest of the Trustee in, to and under the Trust Estate, the Collateral
and the Security Documents shall terminate and shall revert to the Grantors or
their respective successors and assigns, and the estate, right, title and
interest of the Trustee therein shall thereupon cease, terminate and become
void.  In such case, the Grantors shall deliver to the Trustee one or more
instruments of discharge, satisfaction and release in form reasonably
satisfactory to the Trustee, and, upon the written request of the Company or its
successors or assigns, and at the cost and expense of the Company or its
successors or assigns, the Trustee shall execute a satisfaction of the Security
Documents and such instruments as are necessary or desirable to terminate and
remove of record any documents constituting public notice of the Security
Documents and the Liens and assignments granted thereunder and shall assign and
transfer, or cause to be assigned and transferred, and shall deliver or cause to
be delivered to each of the Grantors, all property, including all moneys,
instruments and securities of each Grantor, then held by the Trustee.  The
cancellation and satisfaction of the Security Documents shall be without
prejudice to the rights of the Trustee or any successor trustee to charge and be
reimbursed for any expenditures which it may thereafter incur in connection
therewith.

          Section 7.4.  RELEASE OF CERTAIN COLLATERAL.  To the extent that the
Requisite Lenders or the Agent, on behalf of the Requisite Lenders, at the
request of any of the Grantors, instruct the Trustee to release specified
portions of the Collateral pursuant to SECTION 2.3 of this Agreement and in
accordance with SECTION 9.07(c) of the Credit Agreement, all right, title and
interest of the Trustee in, to and under such Collateral and the security
interest of the Trustee therein shall terminate and shall revert to the
applicable Grantor or its successors and assigns, and the estate, right, title
and interest of the Trustee therein shall thereupon cease, terminate and become
void.  Any Grantor's request for any such release shall be accompanied by a
written certification by such Grantor, in form reasonably satisfactory to the
Trustee, that, as of the date of such release, no Actionable Default has
occurred and is continuing.  Following such instructions, the Trustee shall,
upon the written request of such Grantor, its successors or assigns and at the
cost and expense of such Grantor or its successors or assigns, execute such
instruments and take such other actions as are necessary or desirable to
terminate any such security interest and otherwise effectuate the release of the
specified portions of the Collateral from the Lien of such security


                                      -23-

<PAGE>

interest.  Such termination and release shall be without prejudice to the rights
of the Trustee or any successor trustee to charge and be reimbursed for any
expenditures which it may thereafter incur in connection therewith.


                                    SECTION 8
                                  MISCELLANEOUS

          Section 8.1.  AMENDMENTS, SUPPLEMENTS, AND WAIVERS.  (a) With the
prior written consent of the Requisite Lenders, the Trustee and the Grantors
may, from time to time, enter into written agreements supplemental hereto for
the purpose of adding to or waiving any provision of this Agreement or any of
the Security Documents or amending the definition of any capitalized term used
herein or therein, as such capitalized term is used herein or therein, or
changing in any manner the rights of the Trustee, the Holders or the Grantors
hereunder or thereunder; PROVIDED, HOWEVER, that no such supplemental agreement
shall:

          (i)  modify the definition of Requisite Lenders without the
     written consent of all Lenders; or

          (ii)  amend, modify or waive any provision of this Agreement or
     any Security Document so as to adversely affect any of the Trustee's
     rights, immunities or indemnities hereunder or thereunder or enlarge
     its duties hereunder or thereunder, without the written consent of the
     Trustee.

Any such supplemental agreement shall be binding upon the Grantors, the Holders
and the Trustee and their respective successors and assigns.  The Trustee shall
not enter into any such supplemental agreement unless it shall have received a
certificate signed by an Authorized Officer of the Company to the effect that
such supplemental agreement will not result in a breach of any provision or
covenant contained in the Credit Agreement, any of the Public Indentures or any
of the Refinancing Instruments.  Prior to executing any amendment pursuant to
the terms of this SECTION 8.1(a), the Trustee shall be entitled to receive an
opinion of counsel to the effect that the execution of such document is
authorized hereunder.

          (b)  Without the consent of the Holders, at any time and from time to
time, with the consent of the Agent, the Grantors and the Trustee may enter into
additional Security Documents or one or more agreements supplemental hereto or
to any Security Document, in form satisfactory to the Trustee:

          (i)  to add to the covenants of the Grantors for the benefit of
     the Holders;

          (ii)  to mortgage, pledge or grant a security interest in favor
     of the Trustee as additional security for the Secured Debt pursuant to
     any Security Document; or

          (iii)  to cure any ambiguity or to correct or supplement any
     provision herein or in any Security Document which may be defective or
     inconsistent with any other provision herein or therein; PROVIDED,
     HOWEVER, that any such action contemplated in this CLAUSE (iii) shall
     not adversely affect the interests of the Holders in any manner
     whatsoever.

          (c)  Without the consent of the Holders, the Grantors and the Trustee
may, at the direction of the Agent and at any time and from time to time, add
additional Persons ("ADDITIONAL GRANTORS") to this Agreement, or any of the
Security Documents, and such additional provisions hereto and thereto as may be
necessary or appropriate to effect the grant by such Additional Grantors of
Liens on any assets of such Additional Grantors as additional


                                      -24-
<PAGE>

security for the Secured Debt.  Upon its addition hereto, such Additional
Grantor shall have all of the rights and obligations of a Grantor hereunder.

          Section 8.2.  NOTICES.  All notices, requests, demands and other
communications provided for or permitted hereunder shall be in writing
(including telex and telecopy communications), shall be sent by mail, telex,
telecopier or hand delivery and, except as otherwise provided in this Agreement,
the cost thereof shall be for the sole account of the Company and shall be added
to the Secured Debt:

          (a)  if to the Company, at:  USG Corporation, 125 South Franklin
     Street, Chicago, Illinois 60606-4678, Attention:  Corporate Secretary,
     with a copy thereof to Kirkland & Ellis, 200 E. Randolph Drive,
     Chicago, Illinois, 60601, Attention: Michael G. Timmers; or at such
     other address as shall be designated by it in a written notice to the
     Trustee and the Secured Parties;

          (b)  if to the Trustee, at:  Wilmington Trust Company, Rodney
     Square North, 1100 North Market Street, Wilmington, Delaware 19890,
     Attention: Corporate Trust Administration, with a copy to Richards,
     Layton and Finger, One Rodney Square, Wilmington, Delaware 19899.
     Attention: William J. Wade; or at such other address as shall be
     designated by it in a written notice to the Company and the Secured
     Parties;

          (c)  if to the Agent or any Lender, to the Agent at its address
     at: Chemical Bank, 270 Park Avenue, New York, New York 10017,
     Attention:  Christopher C. Wardell, with a copy to Chemical Securities
     Inc., 10 South LaSalle, Chicago, Illinois 60603, Attention: Steven J.
     Faliski, and a copy to Sidley & Austin, One First National Plaza,
     Chicago, Illinois 60603, Attention: Gary B. Stern; and or at such
     other address as shall be designated by the Agent in a written notice
     to the Trustee;

          (d)  if to any Public Lender, to the applicable Public Trustee at
     the address for such Public Trustee set forth on SCHEDULE 2 hereto, or
     at such other address as shall be designated by any Public Trustee in
     a written notice to the Trustee; and

          (e) if to any Refinancing Lender, to the applicable Representative, at
     such address as shall be designated by such Representative in a written
     notice to the Trustee.

All such notices, requests, demands and communications shall, to be effective
hereunder, be in writing or by a telecommunications device capable of creating a
written record, and shall be deemed to have been given or made when delivered by
hand or five (5) Business Days after its deposit in the mail, first class or air
postage prepaid (except that any notice to the Company by mail that an
Actionable Default has occurred or given by the Company pursuant to SECTION 7.2
hereof shall be sent by registered or certified mail), or in the case of notice
by such a telecommunications device, when properly transmitted; PROVIDED,
HOWEVER, that any notice, request, demand or other communication to the Trustee
shall not be effective until received.

          Section 8.3.  HEADINGS.  Section, subsection and other headings used
in this Agreement are for convenience only and shall not affect the construction
of this Agreement.

           Section 8.4.  SEVERABILITY.  Any provision of this Agreement which is
prohibited or unenforceable in any jurisdiction shall not invalidate the
remaining provisions hereof, and any such prohibition or unenforceability in any
jurisdiction shall not invalidate or render unenforceable such provision in any
other jurisdiction; PROVIDED THAT this Agreement shall be


                                      -25-
<PAGE>

construed so as to give effect to the intention expressed in SECTION 3.12
hereof.

          Section 8.5.  TREATMENT OF PAYEE OR INDORSEE BY TRUSTEE.  (a)  The
Trustee may treat the registered holder of any registered note, and the payee or
indorsee of any note or debenture which is not registered, as the absolute owner
thereof for all purposes hereunder and shall not be affected by any notice to
the contrary, whether such promissory note or debenture shall be past due or
not.

          (b)  Any Person which shall be designated as the duly authorized
representative of one or more Holders to act as such in connection with any
matters pertaining to this Agreement or any Security Document or the Collateral
shall present to the Trustee such documents, including, without limitation,
opinions of counsel, as the Trustee may reasonably request, in order to
demonstrate to the Trustee the authority of such Person to act as the
representative of such Holders; PROVIDED THAT, unless the Trustee has received a
prior written notice to the contrary from any Lender, the Trustee may
conclusively presume that the Agent is the duly authorized representative of all
Lenders and Issuing Banks.

          Section 8.6.  DEALINGS WITH THE COMPANY.  (a)  Upon any application or
demand by any of the Grantors to the Trustee to take or permit any action under
any of the provisions of this Agreement or any Security Document, such Grantor
shall furnish to the Trustee a certificate signed by an Authorized Officer of
such Grantor stating that all conditions precedent, if any, provided for in this
Agreement or any Security Document relating to the proposed action have been
complied with, except that in the case of any such application or demand as to
which the furnishing of such documents is specifically required by any provision
of this Agreement or any Security Document relating to such particular
application or demand, no additional certificate or opinion need be furnished.

          (b)  Any opinion of counsel may be based, insofar as it relates to
factual matters, upon a certificate of Authorized Officers of the applicable
Grantor delivered to the Trustee.

          Section 8.7.  CLAIMS AGAINST THE TRUSTEE.  Any claims or causes of
action which the Holders or the Grantors shall have against the Trustee shall
survive the termination of this Agreement and the release of the Collateral
hereunder.

           Section 8.8.  BINDING EFFECT.  (a)  This Agreement shall be binding
upon and inure to the benefit of each of the parties hereto and shall inure to
the benefit of the Holders and their respective successors and assigns, and
nothing herein or in any Security Document is intended or shall be construed to
give any other Person any right, remedy or claim under, to or in respect of this
Agreement, any Security Document, the Collateral or the Trust Estate.

          (b)  The Grantors jointly and severally agree to pay the Trustee's
Fees on demand.  In the event the Grantors fail to pay the Trustee's Fees and
the Trustee's Fees cannot be paid out of amounts received in the Collateral
Account, each Lender agrees to pay the Trustee's Fees, ratably in accordance
with the proportion of the Obligations held by it.

          Section 8.9.  CONFLICT WITH OTHER AGREEMENTS.  The parties agree that
in the event of any conflict between the provisions of this Agreement and the
provisions of any of the Security Documents, the provisions of this Agreement
shall control.

          Section 8.10.  GOVERNING LAW.  The provisions of this Agreement
creating a trust for the benefit of the Holders and setting forth the rights,


                                      -26-
<PAGE>

duties, obligations and responsibilities of the Trustee hereunder shall be
governed by and construed in accordance with the internal laws (as opposed to
conflicts of law provisions) and decisions of the State of Delaware, so long as
Wilmington Trust Company shall serve as Trustee hereunder.  In all other
respects, including, without limitation, all matters governed by the Uniform
Commercial Code, and in all respects if Wilmington Trust Company shall cease to
serve as Trustee hereunder, this Agreement shall be governed by and construed in
accordance with the laws and decisions of the State of New York.

          Section 8.11.  COUNTERPARTS.  This Agreement may be executed in
separate counterparts, each of which shall be an original and all of which taken
together shall constitute one and the same instrument.

          Section 8.12.  COMPANY AS AGENT FOR GRANTORS.  Each Grantor hereby
designates and appoints the Company as the agent of such Grantor, and each
Grantor irrevocably authorizes the Company, to execute and deliver any notice
required hereunder on behalf of such Grantor.  Any notice required to be
delivered to any Grantor hereunder shall be deemed delivered to such Grantor
when any such notice is delivered to the Company in accordance with the terms
hereof.  The Company hereby accepts such designation as agent for the Grantors
until all Obligations have been paid in full and this Agreement has been
terminated.  Each Grantor agrees not to revoke, modify or withdraw such
designation until all Obligations have been paid in full and this Agreement has
been terminated.


                                      -27-
<PAGE>

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

                                   USG CORPORATION


                                   By______________________________
                                     Title:

                                   WILMINGTON TRUST COMPANY, not in its
                                   individual capacity (except as otherwise
                                   expressly provided in this Agreement) but
                                   solely as Trustee


                                   By______________________________
                                     Title:



                                   ________________________________
                                   William J. Wade, not in his individual
                                   capacity (except as otherwise expressly
                                   provided in this Agreement) but solely as
                                   Trustee


                                      -28-
<PAGE>

                                   SCHEDULE 1
                                       to
                           COLLATERAL TRUST AGREEMENT

                                PUBLIC INDENTURES


          1.  Indenture dated as of October 1, 1986 between the Company and
Harris Trust and Savings Bank, Trustee, under which the Company has issued those
certain 8% Senior Notes due 1996, those certain 8% Senior Notes due 1997 and
those certain 8-3/4% Debentures due 2017, and under which the Company proposes
to issue those certain __% Senior Notes due 2005.(1)

Public Trustee Notice Address:

     Corporate Trust Department
     311 West Monroe Street
     Chicago, Illinois  60690


          2.  Indenture dated as of January 1, 1974, between United States
Gypsum Company, and The First National Bank of Chicago, Trustee, as supplemented
by that certain First Supplemental Indenture, dated as of January 1, 1985,
between United States Gypsum Company, the Company, and The First National Bank
of Chicago, under which those certain 7.875% Sinking Fund Debentures due January
1, 2004 have been issued.

Public Trustee Notice Address:

     Corporate Trust Department
     One First National Plaza
     Chicago, Illinois 60670

          3.  (a)  Indenture dated as of April 26, 1993 between the Company and
State Street Bank and Trust Company, as Trustee, under which the Company has
issued those certain 10-1/4% Senior Notes due 2002.

          (b) Indenture dated as of August 10, 1993 between the Company and
State Street Bank and Trust Company, as Trustee, under which the Company has
issued those certain 10 1/4% Senior Notes due 2002, Series B.

Public Trustee Notice Address:

     Corporate Trust Department
     225 Franklin Street
     Boston, Massachusetts 02110]





____________________
     (1)  The proceeds from the sale of the __% Senior Notes due 2005 (together
with other available funds) will be used to refinance those certain 10-1/4%
Senior Notes due 2002 and those certain 10-1/4% Senior Notes due 2002, Series B.


                                      -29-



<PAGE>

                                  EXHIBIT 99(c)


                            COMPANY PLEDGE AGREEMENT


          THIS COMPANY PLEDGE AGREEMENT (this "AGREEMENT") dated as of July 27,
1995 by and among USG CORPORATION, a Delaware corporation (the "PLEDGOR"),
WILMINGTON TRUST COMPANY, a Delaware banking corporation ("WILMINGTON"), and
WILLIAM J. WADE ("WADE"), Wilmington and Wade acting not in their individual
capacities, but solely as trustees (collectively and individually, the
"TRUSTEE") under the "Collateral Trust Agreement" referred to below.  Terms
capitalized and used herein which are not otherwise defined herein shall have
the meanings given them in the Collateral Trust Agreement.

                              W I T N E S S E T H:

          WHEREAS, the Pledgor is party to that certain Credit Agreement dated
as of July 27, 1995 (as the same may be amended, restated, supplemented or
otherwise modified from time to time, the "CREDIT AGREEMENT") with the financial
institutions from time to time party thereto (the "LENDERS") and Chemical Bank,
in its separate capacity as agent for the Lenders (in such capacity, the
"AGENT");

          WHEREAS, in connection with the Credit Agreement, the Pledgor has
entered into that certain Collateral Trust Agreement dated as of July 27, 1995
(as the same may amended, restated, supplemented or otherwise modified from time
to time, the "COLLATERAL TRUST AGREEMENT");

          WHEREAS, in connection with the Collateral Trust Agreement, and in
order to secure the prompt and complete payment, observance and performance of
the Secured Debt, the Pledgor and the Trustee have agreed to enter into this
Agreement; and

          WHEREAS, the Pledgor is the owner of the issued and outstanding shares
of capital stock of the subsidiaries listed on EXHIBIT A attached hereto and
made a part hereof (the "SUBSIDIARIES");

          NOW, THEREFORE, for and in consideration of the foregoing and of any
financial accommodations or extensions of credit (including, without limitation,
any loan or advance by renewal, refinancing or extension of the agreements
described hereinabove or otherwise) heretofore, now or hereafter made to or for
the benefit of the Pledgor by any of the Lenders or Issuing Banks in connection
with the transactions contemplated by the Credit Agreement, and for other good
and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto hereby agree as follows:

          1.  GRANT OF SECURITY INTEREST.  The Pledgor hereby grants to the
Trustee for the equal and ratable benefit of the Secured Parties, as security
for the prompt and complete payment, observance and performance of all of the
Secured Debt, a security interest in (a) all shares of the capital stock of the
Subsidiaries now or at any time or times hereafter owned by Pledgor (the
"PLEDGED SHARES"), (b) all warrants, options and other rights to acquire capital
stock of the Subsidiaries now or at any time or times hereafter owned by the
Pledgor (the "RIGHTS"), and (c) all proceeds thereof (the Pledged Shares, the
Rights together with the "POWERS" (as defined below), the property and interests
in property described in PARAGRAPHS 7 and 8 below, dividends and distributions
payable with respect to the Pledged Shares that are required to be deposited in
the Collateral Account pursuant to PARAGRAPH 4 below, and all proceeds of any of
the foregoing, being hereinafter collectively referred to as the "PLEDGED
COLLATERAL").  The Pledgor agrees to execute and deliver to the Trustee (i)
stock powers in the form of EXHIBIT B attached hereto and made a part hereof,
appropriately endorsed in blank, with respect to the Pledged Shares and any
warrants or options for the purchase of capital stock of the Subsidiaries
included in the Rights, and (ii) such other documents of transfer as the Trustee
may from time to time reasonably request to enable the Trustee

<PAGE>

(when and as permitted under the Collateral Trust Agreement) to transfer the
Pledged Shares and the Rights into its name or the name of its nominee (all of
the foregoing being hereinafter referred to as the "POWERS").

          2.  PERFECTION OF SECURITY INTEREST.  The Pledgor agrees (i) to
deliver immediately to the Trustee or the Trustee's nominee all certificates
evidencing any of the Pledged Collateral which may at any time come into the
possession of Pledgor, (ii) to execute and deliver to the Trustee such financing
statements as the Trustee may request with respect to the Pledged Collateral,
and (iii) to take such other steps as the Trustee may from time to time
reasonably request to perfect the Trustee's security interest in the Pledged
Collateral under applicable law.  The Pledgor further agrees, at the reasonable
request of the Trustee, to use its best efforts to cause the Subsidiaries to
issue, in substitution for existing certificates evidencing any of the Pledged
Collateral, one or more new certificates ("SUBSTITUTE CERTIFICATE(S)") intended
to evidence all of the Pledged Collateral evidenced by the certificates which
are exchanged for the Substitute Certificate(s), and the Pledgor shall
immediately thereafter deliver such Substitute Certificates to the Trustee,
together with attached Powers.  The Pledgor agrees that this Agreement or a
photocopy of this Agreement shall be sufficient as a financing statement.

          3.  VOTING RIGHTS.  During the term of this Agreement, and so long as
no Notice of Actionable Default has been given and has not been withdrawn
pursuant to the Collateral Trust Agreement, and the Trustee has not given the
notice referred to in the final sentence of this PARAGRAPH 3, the Pledgor shall
have the right to vote the Pledged Shares and exercise any voting rights
pertaining to the Pledged Collateral (which may, subject to any registration of
the Trustee's security interest pursuant to PARAGRAPH 2 above, be registered on
the books and records of the Subsidiaries in the Pledgor's name except as
otherwise provided in PARAGRAPH 12 below), and to give consents, ratifications
and waivers with respect thereto for all purposes not prohibited by the terms of
the Credit Agreement, the Collateral Trust Agreement or any of the other "LOAN
DOCUMENTS" (as defined in the Credit Agreement).  The Trustee shall, at the
request of the Pledgor, provide the Pledgor with appropriate proxies and any
other documents necessary or appropriate to permit the Pledgor to exercise the
rights set forth in the preceding sentence.  Upon or at any time after the
giving of a Notice of Actionable Default and during the time any Notice of
Actionable Default which has been given has not been withdrawn pursuant to the
Collateral Trust Agreement, the Trustee shall be entitled, at the Trustee's
option and following written notice from the Trustee to the Pledgor, to exercise
all voting powers pertaining to the Pledged Collateral.

          4.  DIVIDENDS AND OTHER DISTRIBUTIONS.  Upon receipt of notice in
accordance with Section 3.1 of the Collateral Trust Agreement that the Trustee
has received a Notice of Actionable Default, the Pledgor shall, at the written
request of the Requisite Lenders, send a written notice (a "DIVIDENDS AND
DISTRIBUTIONS NOTICE") to each of the Subsidiaries specified in such request, no
later than five (5) days after the date of receipt of such request, instructing
such Subsidiaries to remit all dividends and other distributions payable with
respect to the Pledged Collateral (until such time as such Notice of Actionable
Default is withdrawn pursuant to the Collateral Trust Agreement) directly to the
Trustee to be deposited in the Collateral Account as additional Pledged
Collateral, and promptly send a copy of the Dividends and Distributions Notice
to the Agent and the Trustee.  Nothing contained in this PARAGRAPH 4 shall be
deemed to permit the payment of any dividend or the making of any distribution
which is prohibited by the Credit Agreement or any of the other agreements and
documents executed in connection with the transactions contemplated thereby.

          5.  REPRESENTATIONS.  On the date hereof, the Pledgor warrants and
represents as follows:


                                       -2-
<PAGE>

          (a)  The Pledgor is the sole, direct, legal and beneficial owner of
     the Pledged Shares, free and clear of any Lien except for the security
     interests created by this Agreement and "PERMITTED LIENS" (as defined in
     Section 6.03 of the Credit Agreement), and such stock has been duly
     authorized and is fully paid and nonassessable;

          (b)  The Pledged Shares constitute the percentage of the issued and
     outstanding capital stock of the Subsidiaries as set forth on EXHIBIT A,
     and there are no Rights associated with such capital stock;

          (c)  The Pledgor has full corporate power and authority to enter into
     this Agreement;

          (d)  There are no restrictions upon the voting rights associated with,
     or the transfer of, any of the Pledged Collateral except as provided by (i)
     the "Securities Act" (as defined in PARAGRAPH 9 of this Agreement), and/or
     (ii) the terms and provisions of the Loan Documents, and/or (iii) any
     restrictions in connection with the Existing Credit Agreement (as such term
     is defined in the Credit Agreement);

          (e)  The Pledgor has the right, subject to the provisions of the Loan
     Documents, (i) to vote the Pledged Collateral, and (ii) to pledge and grant
     a security interest in all or any part of the Pledged Collateral free of
     any Lien;

          (f)  The Pledgor has the right (subject, however, to the Securities
     Act and/or the terms and provisions of the Loan Documents) to transfer all
     or any part of the Pledged Collateral free of any Lien;

          (g)  No authorization, approval, or other action by, and no notice to
     or filing with, any governmental authority or regulatory body which has not
     heretofore been taken or obtained is required either (i) for the pledge of
     the Pledged Collateral pursuant to this Agreement or for the execution,
     delivery or performance of this Agreement by the Pledgor or (ii) for the
     exercise by the Trustee of the voting or other rights provided for in this
     Agreement or the remedies in respect of the Pledged Collateral pursuant to
     this Agreement (except as may be required in connection with any
     disposition thereof by laws affecting the offering and sale of securities
     generally);

          (h)  The pledge of the Pledged Collateral pursuant to this Agreement
     creates a valid and perfected (and, with respect to the Pledged Shares
     only, first priority) security interest in the Pledged Collateral, in favor
     of the Trustee, securing the payment and performance of the Secured Debt;
     and

          (i)  The Powers are duly executed and give the Trustee the authority
     they purport to confer.

          6.  SUBSEQUENT CHANGES AFFECTING PLEDGED COLLATERAL.  The Pledgor
represents to the Trustee that the Pledgor has made its own arrangements for
keeping informed of changes or potential changes affecting the Pledged
Collateral (including, but not limited to, rights to convert, rights to
subscribe, payment of dividends, reorganization or other exchanges, tender
offers and voting rights), and Pledgor agrees that neither the Trustee nor any
Secured Party shall have any responsibility or liability for informing Pledgor
of any such changes or potential changes or for taking any action or omitting to
take any action with respect thereto.

          7.  PLEDGED SHARES ADJUSTMENTS.  In the event that, during the term of
this Agreement, any stock dividend, reclassification, readjustment or other
change is declared or made in the capital structure of any of the Subsidiaries
(including, without limitation, the issuance of additional shares


                                       -3-
<PAGE>

of capital stock of any of the Subsidiaries), or any of the Rights are
exercised, or both, then the Trustee shall have a security interest in all new,
substituted and additional shares or other securities issued to or acquired by
the Pledgor by reason of any such change or exercise, and such shares or other
securities shall become part of the Pledged Collateral; PROVIDED, HOWEVER, that
nothing contained in this PARAGRAPH 7 shall be deemed to permit any stock
dividend, issuance of additional stock, reclassification, readjustment or other
change in the capital structure of any of the Subsidiaries which is prohibited
by the Credit Agreement, the Collateral Trust Agreement or any other Loan
Document.

          8.  WARRANTS, OPTIONS AND OTHER RIGHTS.  The Pledgor shall not permit
any Subsidiary to issue any capital stock or Rights, other than in favor of
Pledgor.  In the event that, during the term of this Agreement, any Rights shall
be issued by any of the Subsidiaries in connection with the Pledged Collateral
or otherwise issued to or acquired by the Pledgor, then the Trustee shall have a
security interest in such Rights, and such Rights shall become part of the
Pledged Collateral; PROVIDED, HOWEVER, that nothing contained in this PARAGRAPH
8 shall be deemed to permit the issuance of any warrants or other rights or
options by any of the Subsidiaries which is prohibited by the Credit Agreement,
the Collateral Trust Agreement or any other Loan Document.

          9.  REGISTRATION.  Upon or at any time after the giving of a Notice of
Actionable Default and during the time any Notice of Actionable Default which
has been given has not been withdrawn pursuant to the Collateral Trust
Agreement, in the event the Trustee determines to exercise its right to sell the
Pledged Collateral pursuant to PARAGRAPH 12 below, Pledgor shall, upon the
request of Trustee, at Pledgor's expense:

          (a)  execute and deliver, and cause the Subsidiaries, their respective
     officers and directors to execute and deliver, all such instruments and
     documents, and do or cause to be done all such other acts and things, as
     may be necessary or, in the opinion of the Trustee, the Requisite Lenders
     or its or their counsel, advisable to register the Pledged Collateral or
     any part thereof under the provisions of the Securities Act of 1933, as
     from time to time amended (the "Securities Act"), and to cause each
     registration statement relating thereto to become effective and to remain
     effective for such period as prospectuses are required by law to be
     furnished, and to make all amendments and supplements thereto and to the
     related prospectus which, in the opinion of the Trustee, the Requisite
     Lenders or its or their counsel, are necessary or advisable, all in
     conformity with the requirements of the Securities Act and the rules and
     regulations of the Securities and Exchange Commission applicable thereto;

          (b)  use its best efforts to qualify the Pledged Collateral under
     applicable state securities or "Blue Sky" laws and to obtain all necessary
     governmental approvals for the sale of the Pledged Collateral or any
     thereof, as requested by the Trustee or the Requisite Lenders;

          (c)  cause each or any of the Subsidiaries to make available to the
     Pledgor, as soon as practicable, an earnings statement which will satisfy
     the provisions of Section 11(a) of the Securities Act; and

          (d)  do or cause to be done all such other acts and things as may be
     necessary to make such sale of the Pledged Collateral or any part thereof
     valid and binding and in compliance with applicable law.

The Pledgor will reimburse the Trustee for any expense incurred by the Trustee,
including, without limitation, reasonable attorneys' and accountants' fees and
expenses in connection with the foregoing.  Upon or at any time after the giving
of a Notice of


                                       -4-
<PAGE>

Actionable Default and during the time any Notice of Actionable Default which
has been given has not been withdrawn pursuant to the terms of the Collateral
Trust Agreement, should the Trustee or the Requisite Lenders reasonably
determine that, prior to any public offering of any securities constituting all
or any part of the Pledged Collateral, such securities should be registered
under the Securities Act and/or registered or qualified under any other federal
or state law, and that such registration and/or qualification is not practical,
then the Pledgor agrees that it will be commercially reasonable to hold a
private sale, upon at least five (5) Business Days' notice to the Pledgor, so as
to avoid a public offering, even though the sales price established and/or
obtained at such private sale may be substantially less than prices which could
have been obtained for such security on any market or exchange or in any other
public sale.

          10.  NO DISCHARGE.  The Pledgor shall remain bound and its obligations
hereunder shall be unconditional, irrespective of (i) the subordination of the
Secured Debt or any of the Debt Instruments, (ii) the absence of any attempt to
collect the Secured Debt from any guarantor thereof or other action to enforce
the same or the election of any remedy by the Trustee or any of the Secured
Parties, (iii) the waiver, consent, extension, forbearance or granting of any
indulgence by the Trustee or any of the Secured Parties with respect to any
provision of any of the Debt Instruments, (iv) the failure by the Trustee to
take any steps to perfect and maintain its security interest in, or to preserve
its rights to, any of the Pledged Collateral, (v) the election by any of the
Secured Parties, in any proceeding instituted under Chapter 11 of the Bankruptcy
Code of the application of Section 1111(b)(2) of the Bankruptcy Code, (vi) any
borrowing or grant of a security interest by any Grantor, as
debtor-in-possession, under Section 364 of the Bankruptcy Code, (vii) the
disallowance under Section 502 of the Bankruptcy Code of all or any portion of
the claims of the Secured Parties for repayment of the Secured Debt, or (viii)
any other circumstance which might otherwise constitute a legal or equitable
discharge or defense of a guarantor or of the Pledgor; all of the foregoing
being expressly waived by the Pledgor to the extent permitted by applicable law.

          11.  WAIVERS. To the extent permitted by applicable law, the Pledgor
hereby waives any requirement of diligence, presentment, demand of payment,
filing of claims with a court in the event of receivership or bankruptcy of any
Grantor, protest or notice with respect to the Secured Debt and all demands
whatsoever (and shall not require that the same be made on any other Grantor as
a condition precedent to the Pledgor's obligations hereunder), and covenants
that this Agreement will not be discharged, except as provided in PARAGRAPH 13
hereunder.  Notwithstanding anything to the contrary contained in this
Agreement, the Pledgor does not waive any rights to notice provided to it as the
"Borrower" under the Credit Agreement.

          12.  REMEDIES OF TRUSTEE FOLLOWING A NOTICE OF ACTIONABLE DEFAULT.
The Trustee may, upon or at any time after the giving of a Notice of Actionable
Default and during the time any Notice of Actionable Default which has been
given has not been withdrawn pursuant to the Collateral Trust Agreement, at its
option, transfer or register the Pledged Collateral or any part thereof into its
or its nominee's name with or without any indication that such Pledged
Collateral is subject to the security interest hereunder.  The Pledgor hereby
appoints the Trustee as its attorney-in-fact to arrange at the Trustee's option
for such transfer.  The Trustee shall have, in addition to the foregoing and any
other rights given under this Agreement or by law, all of the rights and
remedies with respect to the Pledged Collateral of a secured party under the
Uniform Commercial Code as in effect in the State of New York.  In addition,
following the receipt by the Trustee of a Notice of Actionable Default, and
during the time any Notice of Actionable Default which has been given has not
been withdrawn pursuant to the terms of the Collateral Trust Agreement, the
Trustee shall have such powers of sale and other powers as may be conferred by
applicable law.  With respect to the Pledged Collateral or any part thereof
which shall then be in or shall thereafter come into the


                                       -5-
<PAGE>

possession or custody of the Trustee or which the Trustee shall otherwise have
the ability to transfer under applicable law, the Trustee may, in its sole
discretion, without notice except as specified below, following the giving of a
Notice of Actionable Default and during such time as any Notice of Actionable
Default which has been given has not been withdrawn pursuant to the terms of the
Collateral Trust Agreement, sell or cause the same to be sold at any broker's
board or at public or private sale, in one or more sales or lots, at such price
as the Trustee may deem best, for cash or on credit or for future delivery,
without assumption of any credit risk on the part of the Trustee or any other
Secured Party, and the purchaser of any or all of the Pledged Collateral so sold
shall thereafter own the same, absolutely free from any claim, encumbrance or
right of any kind whatsoever.

          The Trustee will give the Pledgor reasonable notice of the time and
place of any public sale of the Pledged Collateral, or of the time after which
any private sale or other intended disposition is to be made.  Any sale of the
Pledged Collateral conducted in conformity with reasonable commercial practices
of banks, commercial finance companies, insurance companies or other financial
institutions disposing of property similar to the Pledged Collateral shall be
deemed to be commercially reasonable.  Notwithstanding any provision to the
contrary contained herein, any requirements of reasonable notice shall be met if
five (5) Business Days' notice of such sale or disposition is provided to
Pledgor.  Any other requirement of notice, demand or advertisement for sale is,
to the extent permitted by law, waived.  The Trustee or any Secured Party may,
in its own name or in the name of a designee or nominee, buy all or any part of
the Pledged Collateral at any public sale and, if permitted by applicable law,
buy all or any part of the Pledged Collateral at any private sale.  The Pledgor
will pay to the Trustee all expenses (including, without limitation, court costs
and attorneys' and paralegals' fees and expenses) of, or incident to, (i) the
administration of this Agreement, (ii) the custody or preservation of, or the
sale or collection of or other realization upon, any of the Pledged Collateral,
(iii) the exercise or enforcement of any of the rights of the Trustee hereunder,
or (iv) the failure by the Pledgor to perform or observe its duties and
obligations hereunder.  In view of the fact that federal and state securities
laws may impose certain restrictions on the method by which a sale of the
Pledged Collateral may be effected, the Pledgor agrees that upon the giving of a
Notice of Actionable Default and during the time any Notice of Actionable
Default which has been given has not been withdrawn pursuant to the terms of the
Collateral Trust Agreement, the Trustee may, from time to time, attempt to sell
all or any part of the Pledged Collateral by means of a private placement
restricting the bidders and prospective purchasers to those who are qualified
and will represent and agree that they are purchasing for investment only and
not for distribution.  In so doing, the Trustee may solicit offers to buy the
Pledged Collateral, or any part of it, from a limited number of investors deemed
by the Trustee, in its reasonable judgment, to be financially responsible
parties who might be interested in purchasing the Pledged Collateral.  If the
Trustee solicits such offers, then the acceptance by the Trustee of the highest
offer obtained therefrom shall be deemed to be a commercially reasonable method
of disposing of such Pledged Collateral.

          13.  TERM.  This Agreement shall remain in full force and effect until
such time as all of the Pledged Collateral has been released pursuant to the
terms of the Collateral Trust Agreement and the Credit Agreement.  The security
interest under this Agreement in all or any portion of the Pledged Collateral
(the "RELEASED COLLATERAL") may be released pursuant to the terms and provisions
of the Collateral Trust Agreement and the Credit Agreement, and thereupon the
Released Collateral shall no longer be "PLEDGED SHARES" or "PLEDGED COLLATERAL"
as defined and used herein.  The Trustee shall promptly take all steps Pledgor
may reasonably request to release its security interest in the Released
Collateral, as required by Section 7.4 of the Collateral Trust Agreement.


                                       -6-
<PAGE>

          14.  TRUSTEE'S EXERCISE OF RIGHTS AND REMEDIES UPON RECEIPT OF A
NOTICE OF ACTIONABLE DEFAULT.  Notwithstanding anything set forth herein to the
contrary, it is hereby expressly agreed that, upon the Trustee's receipt of a
Notice of Actionable Default, the Trustee may, and upon the written direction of
the Requisite Lenders shall, exercise any of the rights and remedies provided in
this Agreement, the Collateral Trust Agreement or any other "COLLATERAL
DOCUMENT" (as defined in the Credit Agreement).

          15.  DEFINITIONS. The singular shall include the plural and vice versa
and any gender shall include any other gender as the context may require.

          16.  SUCCESSORS AND ASSIGNS.  This Agreement shall be binding upon and
inure to the benefit of the Pledgor, the Trustee and their respective successors
and assigns.  The Pledgor's successors and assigns shall include, without
limitation, a receiver, trustee or debtor-in-possession of or for the Pledgor.

          17.  APPLICABLE LAW.  This Agreement shall be governed by and
construed in accordance with the laws of the State of New York.  Whenever
possible, each provision of this Agreement shall be interpreted in such manner
as to be effective and valid under applicable law, but if any provision of this
Agreement shall be held to be prohibited or invalid under applicable law, such
provision shall be ineffective only to the extent of such prohibition or
invalidity, without invalidating the remainder of such provision or the
remaining provisions of this Agreement.

          18.  FURTHER ASSURANCES.  The Pledgor agrees that it will cooperate
with the Trustee and will execute and deliver, or cause to be executed and
delivered, all such other stock powers, proxies, instruments, documents and
resignations of officers and directors, and will take all such other action,
including, without limitation, the filing of financing statements, as the
Trustee may reasonably request from time to time in order to carry out the
provisions and purposes hereof.

          19.  CONSENT TO JURISDICTION AND SERVICE OF PROCESS.  All judicial
proceedings brought against the Pledgor with respect to this Agreement may be
brought in any state or federal court of competent jurisdiction in the state of
New York, and by execution and delivery of this Agreement, the Pledgor accepts,
for itself and in connection with its properties, generally and unconditionally,
the nonexclusive jurisdiction of the aforesaid courts, and irrevocably agrees to
be bound by any final judgment rendered thereby in connection with this
Agreement from which no appeal has been taken or is available.  The Pledgor
irrevocably consents to the service of process of any of the aforementioned
courts in any such action or proceeding by the mailing of copies thereof by
registered or certified mail, postage prepaid, to its notice address specified
on the signature pages hereof, such service to become effective ten (10) days
after such mailing.  The Pledgor irrevocably waives any objection (including,
without limitation, any objection to the laying of venue or based on the grounds
of forum non conveniens) which it may now or hereafter have to the bringing of
any such action or proceeding with respect to this Agreement in any jurisdiction
set forth above.  Nothing herein shall affect the right to serve process in any
other manner permitted by law or shall limit the right of any Secured Party to
bring proceedings against the Pledgor in the courts of any other jurisdiction.

          20.  WAIVER OF JURY TRIAL.  EACH OF THE PLEDGOR AND THE TRUSTEE WAIVES
ANY RIGHT TO TRIAL BY JURY IN ANY DISPUTE, WHETHER SOUNDING IN CONTRACT, TORT,
OR OTHERWISE, BETWEEN THE TRUSTEE AND THE PLEDGOR ARISING OUT OF OR RELATED TO
THE TRANSACTIONS CONTEMPLATED BY THIS AGREEMENT OR ANY OTHER INSTRUMENT,
DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED IN CONNECTION HEREWITH.  EITHER THE
PLEDGOR OR THE TRUSTEE MAY FILE AN ORIGINAL COUNTERPART OR A COPY OF THIS
AGREEMENT WITH ANY COURT AS WRITTEN EVIDENCE OF THE CONSENT


                                       -7-

<PAGE>

OF THE PARTIES HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY.

          21.  TRUSTEE APPOINTED ATTORNEY-IN-FACT.  The Pledgor hereby appoints
the Trustee as the Pledgor's attorney-in-fact, with full authority in the place
and stead of the Pledgor and in the name of the Pledgor or otherwise, following
the Pledgor's receipt of a Notice of Actionable Default that has not been
withdrawn pursuant to the Collateral Trust Agreement, to take any action and to
execute any instrument which the Trustee may deem necessary or advisable to
accomplish the purposes of this Agreement, in the Trustee's discretion,
including, without limitation, to receive, endorse and collect all instruments
made payable to the Pledgor representing any distribution, interest payment or
other dividend distribution in respect of the Pledged Collateral or any part
thereof to the extent required to be deposited into the Collateral Account in
accordance with Section 4.1 of the Collateral Trust Agreement and to give full
discharge for the same.  This power of attorney created under this PARAGRAPH 21,
being coupled with an interest, shall be irrevocable for the term of this
Agreement and thereafter as long as any of the Secured Debt shall be
outstanding, but shall not be deemed to authorize the Trustee to take any action
which the Pledgor could not be required to take hereunder.

          22.  TRUSTEE'S DUTY.  The Trustee shall not be liable for any acts,
omissions, errors of judgment or mistakes of fact or law including, without
limitation, acts, omissions, errors or mistakes with respect to the Pledged
Collateral, except for those arising out of or in connection with the Trustee's
(i) gross negligence, bad faith or willful misconduct, or (ii) failure to use
reasonable care with respect to the safe custody of any certificate evidencing
any of the Pledged Collateral which is in the physical possession of the
Trustee.  Without limiting the generality of the foregoing, the Trustee shall be
under no obligation to take any steps necessary to preserve rights in the
Pledged Collateral against any other parties but may do so at its option, and
all expenses incurred in connection therewith shall be for the sole account of
the Pledgor, and shall be added to the Secured Debt secured hereby.

          23.  NOTICES.  Any notice or other communication herein required or
permitted to be given shall be in writing and may be personally served,
telecopied, telexed or sent by courier service or United States mail and shall
be deemed to have been given when delivered in person or by courier service,
upon receipt of a telecopy or telex or five (5) Business Days after being
deposited in the United States mail (registered or certified mail, with postage
prepaid and properly addressed).  For the purposes hereof, the addresses of the
parties hereto (until notice of a change thereof is delivered as provided in
this paragraph) shall be as set forth below each party's name on the signature
pages hereof, or, as to each party, at such other address as may be designated
by such party in a written notice to each of the other parties.

          24.  COUNTERPARTS.  This Agreement may be executed in separate
counterparts, each of which shall be an original and all of which taken together
shall constitute one and the same instrument.

          25.  PARAGRAPH HEADINGS.  The paragraph headings herein are for
convenience of reference only, and shall not affect in any way the
interpretation of any of the provisions hereof.


                                       -8-
<PAGE>

          IN WITNESS WHEREOF, the Pledgor and the Trustee have executed this
Agreement as of the day first above written.

                                   USG CORPORATION


                                   By:__________________________
                                      Title:

                                   Notice Address:
                                   --------------

                                   125 South Franklin Street
                                   Chicago, Illinois 60606-4678
                                   Attention:  Vice President and
                                                 Treasurer

                                   With a copy to:
                                   125 South Franklin Street
                                   Chicago, Illinois 60606-4678
                                   Attention: Corporate Secretary

                                   WILMINGTON TRUST COMPANY, not in its
                                   individual capacity but solely as Collateral
                                   Trustee under the Collateral Trust Agreement


                                   By:___________________________
                                      Title:

                                   Notice Address:
                                   --------------

                                   Wilmington Trust Company
                                   Rodney Square North
                                   1100 North Market Street
                                   Wilmington, Delaware 19890
                                   Attention:  Corporate Trust
                                                 Administration


                                   ______________________________
                                   William J. Wade, not in his individual
                                   capacity but solely as Collateral Trustee
                                   under the Collateral Trust Agreement

                                   Notice Address:
                                   --------------

                                   Richards, Layton & Finger
                                   One Rodney Square
                                   Wilmington, Delaware 19899
                                   Attention:  William J. Wade


                                       -9-
<PAGE>

                                 ACKNOWLEDGMENT


          Each of the undersigned hereby acknowledges receipt of a copy of the
foregoing Company Pledge Agreement, agrees promptly to note on the books of the
corporation the transfer of the security interest in the stock of the
corporation as provided in such Agreement, and waives any right or requirement
at any time hereafter to receive a copy of such Agreement in connection with the
registration of any Pledged Collateral in the name of the Trustee or its nominee
or the exercise of voting rights by the Trustee.

Dated:  ________________.


                                   L&W SUPPLY CORPORATION


                                   By______________________________
                                     Title:


                                   USG FOREIGN INVESTMENTS, LTD.


                                   By______________________________
                                     Title:


                                   USG INTERIORS, INC.


                                   By______________________________
                                     Title:


                                   UNITED STATES GYPSUM COMPANY


                                   By______________________________
                                     Title:

<PAGE>

                                    EXHIBIT A
                                       to
                            COMPANY PLEDGE AGREEMENT

                         SUBSIDIARIES AND CAPITAL STOCK


                                                     Shares of Capital
                    Percentage of Issued             Stock owned by
List of             and Outstanding Capital          Pledgor Subject
Subsidiaries        Stock owned by the Pledgor       to Pledge
- ------------        --------------------------       -----------------

L&W Supply
 Corporation                  100%                            1000

USG Foreign
 Investments, Ltd.            100%                             100

USG Interiors, Inc.           100%                             250

United States
 Gypsum Company               100%                             250

<PAGE>

                                    EXHIBIT B
                                       to
                            COMPANY PLEDGE AGREEMENT

                                 FORM OF POWERS


                                    Attached.

<PAGE>

                                   STOCK POWER


          FOR VALUE RECEIVED, the undersigned does hereby sell, assign and
transfer to ________________, Federal Identification No. _______________,
___________ share(s) of the capital stock of ____________________________, a
____________ corporation, represented by certificate no. __________, standing in
the name of the undersigned on the books of said corporation.  The undersigned
does hereby irrevocably constitute and appoint _________________ attorney to
transfer the shares of said corporation, with full power of substitution in the
premises.

          Dated:___________________.


                                        USG CORPORATION


                                        By:___________________________
                                           Title:


ATTEST:

By:_____________________________






EXH-99C.USG  July 27, 1995




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