Exhibit 4.4


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                              McKESSON CORPORATION

                                      and

                 THE FIRST NATIONAL BANK OF CHICAGO, as Trustee

                                   Indenture

                           Dated as of March 11, 1997





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                            CROSS REFERENCE SHEET*

                                    Between

         Provisions of Trust Indenture Act (as defined herein) and Indenture
dated as of March 11, 1997 between McKESSON CORPORATION and THE FIRST NATIONAL
BANK OF CHICAGO, Trustee:

 
 

SECTION OF THE ACT                                                                             SECTION OF INDENTURE
                                                                                     
310(a)(1) and (2)...............................................................................................6.9
310(a)(3) and (4)......................................................................................Inapplicable
310(b).................................................................................6.8 and 6.10(a), (b) and (d)
310(c).................................................................................................Inapplicable
311(a).........................................................................................................6.14
311(b).........................................................................................................6.14
311(c).................................................................................................Inapplicable
312(a)..................................................................................................4.1 and 4.2
312(b)..........................................................................................................4.2
312(c)..........................................................................................................4.2
313(a)..........................................................................................................4.3
313(b)(1)..............................................................................................Inapplicable
313(b)(2).......................................................................................................4.3
313(c)...................................................................................4.3, 5.11, 6.10, 6.11, 8.2
                                                                                                           and 12.2
313(d)..........................................................................................................4.3
314(a)..................................................................................................3.5 and 4.2
314(b).................................................................................................Inapplicable
314(c)(1) and (2)..............................................................................................11.5
314(c)(3)..............................................................................................Inapplicable
314(d).................................................................................................Inapplicable
314(e).........................................................................................................11.5
314(f).................................................................................................Inapplicable
315(a), (c) and (d).............................................................................................6.1
315(b).........................................................................................................5.11
315(e).........................................................................................................5.12
316(a)(1)..............................................................................................5.9 and 5.10
316(a)(2)..............................................................................................Not required
316(a) (last sentence)..........................................................................................7.4
316(b)..........................................................................................................5.7
317(a)..........................................................................................................5.2
317(b)...............................................................................................3.4(a) and (b)
318(a).........................................................................................................11.7
 
*This Cross Reference Sheet is not part of the Indenture.

 
                               TABLE OF CONTENTS

 
 
                                                                                                        PAGE
                                                                                                        ----
                                                                                                
ARTICLE I            DEFINITIONS
         SECTION 1.1         CERTAIN TERMS DEFINED.......................................................  1

ARTICLE II           SECURITIES

         SECTION 2.1         FORMS GENERALLY.............................................................  7
         SECTION 2.2         FORM OF TRUSTEE'S CERTIFICATE OF
                                     AUTHENTICATION......................................................  7
         SECTION 2.3         AMOUNT UNLIMITED; ISSUABLE IN SERIES........................................  8
         SECTION 2.4         AUTHENTICATION AND DELIVERY OF
                                     SECURITIES.......................................................... 11
         SECTION 2.5         EXECUTION OF SECURITIES..................................................... 13
         SECTION 2.6         CERTIFICATE OF AUTHENTICATION............................................... 14
         SECTION 2.7         DENOMINATION AND DATE OF SECURITIES;
                                     PAYMENTS OF INTEREST................................................ 14
         SECTION 2.8         REGISTRATION, TRANSFER AND EXCHANGE......................................... 15
         SECTION 2.9         MUTILATED, DEFACED, DESTROYED, LOST AND
                                     STOLEN SECURITIES................................................... 21
         SECTION 2.10        CANCELLATION OF SECURITIES; DESTRUCTION
                                     THEREOF............................................................. 22
         SECTION 2.11        TEMPORARY SECURITIES........................................................ 22
                      
ARTICLE III          COVENANTS OF THE ISSUER
                      
         SECTION 3.1         PAYMENT OF PRINCIPAL AND INTEREST........................................... 23
         SECTION 3.2         OFFICES FOR PAYMENTS, ETC................................................... 23
         SECTION 3.3         APPOINTMENT TO FILL A VACANCY IN OFFICE
                                     OF TRUSTEE.......................................................... 24
         SECTION 3.4         PAYING AGENTS............................................................... 24
         SECTION 3.5         COMPLIANCE CERTIFICATES..................................................... 25
         SECTION 3.6         CORPORATE EXISTENCE......................................................... 26
         SECTION 3.7         MAINTENANCE OF PROPERTIES................................................... 26
         SECTION 3.8         PAYMENT OF TAXES AND OTHER CLAIMS........................................... 26
         SECTION 3.9         LUXEMBOURG PUBLICATIONS..................................................... 26

 

                                       i

 
 
 

                                                                                                       PAGE
                                                                                                       ----
ARTICLE IV           SECURITYHOLDER LISTS AND REPORTS BY THE
                                                                                                      
                             ISSUER AND THE TRUSTEE
         SECTION 4.1         ISSUER TO FURNISH TRUSTEE INFORMATION AS
                                     TO NAMES AND ADDRESSES OF
                                     SECURITYHOLDERS..................................................... 27
         SECTION 4.2         REPORTS BY THE ISSUER....................................................... 27
         SECTION 4.3         REPORTS BY THE TRUSTEE...................................................... 27

ARTICLE V            REMEDIES OF THE TRUSTEE AND
                             SECURITYHOLDERS ON EVENT OF
                             DEFAULT

         SECTION 5.1         EVENT OF DEFAULT DEFINED, ACCELERATION
                                     OF MATURITY; WAIVER OF DEFAULT...................................... 29
         SECTION 5.2         COLLECTION OF INDEBTEDNESS BY TRUSTEE;
                                     TRUSTEE MAY PROVE DEBT.............................................. 32
         SECTION 5.3         APPLICATION OF PROCEEDS..................................................... 34
         SECTION 5.4         SUITS FOR ENFORCEMENT....................................................... 35
         SECTION 5.5         RESTORATION OF RIGHTS ON ABANDONMENT
                                     OF PROCEEDINGS...................................................... 35
         SECTION 5.6         LIMITATIONS ON SUITS BY SECURITY HOLDERS.................................... 35
         SECTION 5.7         UNCONDITIONAL RIGHT OF SECURITYHOLDERS
                                     TO INSTITUTE CERTAIN SUITS.......................................... 36
         SECTION 5.8         POWERS AND REMEDIES CUMULATIVE; DELAY
                                     OR OMISSION NOT WAIVER OF DEFAULT................................... 36
         SECTION 5.9         CONTROL BY HOLDERS OF SECURITIES............................................ 36
         SECTION 5.10        WAIVER OF PAST DEFAULTS..................................................... 37
         SECTION 5.11        TRUSTEE TO GIVE NOTICE OF DEFAULT, BUT
                             MAY WITHHOLD IN CERTAIN
                                     CIRCUMSTANCES....................................................... 37
         SECTION 5.12        RIGHT OF COURT TO REQUIRE FILING OF
                                     UNDERTAKING TO PAY COSTS............................................ 37

ARTICLE VI           CONCERNING THE TRUSTEE

         SECTION 6.1         DUTIES AND RESPONSIBILITIES OF THE
                                     TRUSTEE; DURING DEFAULT; PRIOR TO
                                     DEFAULT............................................................. 38
         SECTION 6.2         CERTAIN RIGHTS OF THE TRUSTEE............................................... 39
 

                                      ii

 
 
 

                                                                                                        PAGE
                                                                                                        ----
                                                                                                   
         SECTION 6.3         TRUSTEE NOT RESPONSIBLE FOR RECITALS,
                                     DISPOSITION OF SECURITIES OR
                                     APPLICATION OF PROCEEDS THEREOF..................................... 40
         SECTION 6.4         TRUSTEE AND AGENTS MAY HOLD SECURITIES
                                     OR COUPONS; COLLECTIONS, ETC........................................ 41
         SECTION 6.5         MONEYS HELD BY TRUSTEE...................................................... 41
         SECTION 6.6         COMPENSATION AND INDEMNIFICATION OF
                                     TRUSTEE AND ITS PRIOR CLAIM......................................... 41
         SECTION 6.7         RIGHT OF TRUSTEE TO RELY ON OFFICER'S
                                     CERTIFICATE, ETC.................................................... 41
         SECTION 6.8         INDENTURES NOT CREATING POTENTIAL
                                     CONFLICTING INTERESTS FOR THE
                                     TRUSTEE............................................................. 42
         SECTION 6.9         QUALIFICATION OF TRUSTEE:  CONFLICTING
                                     INTERESTS........................................................... 42
         SECTION 6.10        PERSONS ELIGIBLE FOR APPOINTMENT AS
                                     TRUSTEE............................................................. 42
         SECTION 6.11        RESIGNATION AND REMOVAL; APPOINTMENT
                                     OF SUCCESSOR TRUSTEE................................................ 42
         SECTION 6.12        ACCEPTANCE OF APPOINTMENT BY SUCCESSOR
                                     TRUSTEE............................................................. 44
         SECTION 6.13        MERGER, CONVERSION, CONSOLIDATION OR
                                     SUCCESSION TO BUSINESS OF TRUSTEE................................... 45
         SECTION 6.14        PREFERENTIAL COLLECTION OF CLAIMS
                                     AGAINST THE ISSUER.................................................. 45
         SECTION 6.15        APPOINTMENT OF AUTHENTICATING AGENT......................................... 46

ARTICLE VII          CONCERNING THE SECURITYHOLDERS

         SECTION 7.1         EVIDENCE OF ACTION TAKEN BY
                             SECURITYHOLDERS............................................................. 47
         SECTION 7.2         PROOF OF EXECUTION OF INSTRUMENTS AND
                                     OF HOLDING OF SECURITIES............................................ 47
         SECTION 7.3         HOLDERS TO BE TREATED AS OWNERS............................................. 47
         SECTION 7.4         SECURITIES OWNED BY ISSUER DEEMED NOT
                                     OUTSTANDING......................................................... 47
         SECTION 7.5         RIGHT OF REVOCATION OF ACTION TAKEN......................................... 48
 


                                      iii

 
 
 
                                                                                                        PAGE
                                                                                                        ----
ARTICLE VIII         SUPPLEMENTAL INDENTURES
                                                                                                   
         SECTION 8.1         SUPPLEMENTAL INDENTURES WITHOUT CON-
                                     SENT OF SECURITYHOLDERS............................................. 48
         SECTION 8.2         SUPPLEMENTAL INDENTURES WITH CONSENT
                                     OF SECURITYHOLDERS.................................................. 50
         SECTION 8.3         EFFECT OF SUPPLEMENTAL INDENTURE............................................ 51
         SECTION 8.4         DOCUMENTS TO BE GIVEN TO TRUSTEE............................................ 51
         SECTION 8.5         NOTATION ON SECURITIES IN RESPECT OF
                                     SUPPLEMENTAL INDENTURES............................................. 52

ARTICLE IX           CONSOLIDATION, MERGER, SALE OR
                             CONVEYANCE

         SECTION 9.1         ISSUER MAY CONSOLIDATE, ETC., ONLY ON
                                     CERTAIN TERMS....................................................... 52
         SECTION 9.2         SUCCESSOR CORPORATION SUBSTITUTED........................................... 52
         SECTION 9.3         OPINION OF COUNSEL TO BE GIVEN TRUSTEE...................................... 53

ARTICLE X            SATISFACTION AND DISCHARGE OF INDENTURE;
                             UNCLAIMED MONEYS

         SECTION 10.1        SATISFACTION AND DISCHARGE OF INDENTURE..................................... 53
         SECTION 10.2        APPLICATION BY TRUSTEE OF FUNDS
                                     DEPOSITED FOR PAYMENT OF
                                     SECURITIES.......................................................... 57
         SECTION 10.3        REPAYMENT OF MONEYS HELD BY PAYING
                                     AGENT............................................................... 57
         SECTION 10.4        RETURN OF MONEYS HELD BY TRUSTEE AND
                                     PAYING AGENT UNCLAIMED FOR TWO
                                     YEARS............................................................... 57
         SECTION 10.5        INDEMNITY FOR U.S. GOVERNMENT OF
                                     OBLIGATIONS......................................................... 58

ARTICLE XI           MISCELLANEOUS PROVISIONS

         SECTION 11.1        INCORPORATORS, STOCKHOLDERS, OFFICERS
                                     AND DIRECTORS OF ISSUER EXEMPT
                                     FROM INDIVIDUAL LIABILITY........................................... 58

 
                                      iv

 
 
 

                                                                                                         PAGE
                                                                                                         ----
                                                                                                     
         SECTION 11.2        PROVISIONS OF INDENTURE FOR THE SOLE
                                     BENEFIT OF PARTIES AND HOLDERS OF
                                     SECURITIES AND COUPONS.............................................. 58
         SECTION 11.3        SUCCESSORS AND ASSIGNS OF ISSUER BOUND
                                     BY INDENTURE........................................................ 58
         SECTION 11.4        NOTICES AND DEMANDS ON ISSUER, TRUSTEE
                                     AND HOLDERS OF SECURITIES AND
                                     COUPONS............................................................. 58
         SECTION 11.5        OFFICER'S CERTIFICATES AND OPINIONS OF
                                     COUNSEL; STATEMENTS TO BE
                                     CONTAINED THEREIN................................................... 59
         SECTION 11.6        PAYMENTS DUE ON SATURDAYS, SUNDAYS AND
                                     HOLIDAYS............................................................ 60
         SECTION 11.7        CONFLICT OF ANY PROVISION OF INDENTURE
                                     WITH TRUST INDENTURE ACT............................................ 60
         SECTION 11.8        NEW YORK LAW TO GOVERN...................................................... 60
         SECTION 11.9        COUNTERPARTS................................................................ 61
         SECTION 11.10       EFFECT OF HEADINGS.......................................................... 61
         SECTION 11.11       SECURITIES IN A FOREIGN CURRENCY OR IN
                                     ECU................................................................. 61
         SECTION 11.12       JUDGMENT CURRENCY........................................................... 61

ARTICLE XII                REDEMPTION OF SECURITIES AND SINKING FUNDS

         SECTION 12.1        APPLICABILITY OF ARTICLE.................................................... 62
         SECTION 12.2        NOTICE OF REDEMPTION; PARTIAL
                                     REDEMPTIONS......................................................... 62
         SECTION 12.3        PAYMENT OF SECURITIES CALLED FOR 
                                     REDEMPTION.......................................................... 64
         SECTION 12.4        EXCLUSION OF CERTAIN SECURITIES FROM
                                     ELIGIBILITY FOR SELECTION FOR 
                                     REDEMPTION.......................................................... 65
         SECTION 12.5        MANDATORY AND OPTIONAL SINKING FUNDS........................................ 65
 



                                       v

 
          THIS INDENTURE, dated as of March 11, 1997, by and between McKESSON
CORPORATION, a Delaware corporation (the "Issuer"), and THE FIRST NATIONAL BANK
OF CHICAGO, a national banking association, as trustee (the "Trustee"),

                              W I T N E S S E T H:

          WHEREAS, the Issuer has duly authorized the issue from time to time of
its unsecured debentures, notes or other evidences of indebtedness to be issued
in one or more series (the "Securities") up to such principal amount or amounts
as may from time to time be authorized in accordance with the terms of this
Indenture;

          WHEREAS, the Issuer has duly authorized the execution and delivery of
this Indenture to provide, among other things, for the authentication, delivery
and administration of the Securities; and

          WHEREAS, all things necessary to make this Indenture a valid indenture
and agreement according to its terms have been done;

          NOW, THEREFORE:

          In consideration of the premises and the purchases of the Securities
by the holders thereof, the Issuer and the Trustee mutually covenant and agree
for the equal and proportionate benefit of the respective holders from time to
time of the Securities and of the coupons, if any, appertaining thereto as
follows:

                                   ARTICLE I

                                  DEFINITIONS

          SECTION 1.1  CERTAIN TERMS DEFINED.  The following terms (except as
otherwise expressly provided or unless the context otherwise clearly requires)
for all purposes of this Indenture and of any indenture supplemental hereto
shall have the respective meanings specified in this Section.  All other terms
used in this Indenture that are defined in the Trust Indenture Act of 1939, as
amended (the "Trust Indenture Act"), or the definitions of which in the
Securities Act of 1933, as amended (the "Securities Act"), are referred to in
the Trust Indenture Act, including terms defined therein by reference to the
Securities Act (except as herein otherwise expressly provided or unless the
context otherwise requires), shall have the meaning assigned to such terms in
the Trust Indenture Act and in the Securities Act as in effect from time to
time.  All accounting terms used herein and not expressly defined shall have the
meanings assigned to such terms in accordance with generally accepted accounting
principles, and the term "generally accepted accounting principles" means such
accounting principles as are generally accepted at the time of any computation
unless a different time shall be specified with respect to such series of
Securities as provided for in Section 2.3.  The words "herein," "hereof" and
"hereunder" and other words of similar import refer to this Indenture as a whole
and not

                                       1

 
to any particular Article, Section or other subdivision.  The terms defined in
this Article have the meanings assigned to them in this Article and include the
plural as well as the singular.

          "Affiliate" has the same meaning as given to that term in Rule 405 of
the Securities Act or any successor provision.

          "Authenticating Agent" shall have the meaning set forth in Section
6.15.

          "Authorized Newspaper" means a newspaper (which, in the case of The
City of New York, will, if practicable, be The Wall Street Journal (Eastern
Edition), in the case of the United Kingdom of Great Britain and Northern
Ireland (the "United Kingdom"), will, if prac ticable, be The Financial Times
(London Edition) and, in the case of the Grand Duchy of Luxembourg
("Luxembourg"), will, if practicable, be the Luxemburger Wort) published in an
official or common language of the county of publication customarily published
at least once a day for at least five days in each calendar week and of general
circulation in The City of New York, the United Kingdom or Luxembourg, as
applicable.  If it shall be impractical in the opinion of the Trustee to make
any publication of any notice required hereby in an Authorized Newspaper, any
publication or other notice in lieu thereof which is made or given with the
approval of the Trustee shall constitute a sufficient publication of such
notice.

          "Board of Directors" means either the Board of Directors of the Issuer
or any committee of such Board duly authorized to act on its behalf.

          "Board Resolution" means a copy of one or more resolutions, certified
by the secretary or an assistant secretary of the Issuer to have been duly
adopted or consented to by the Board of Directors and to be in full force and
effect, and delivered to the Trustee.

          "Business Day" means, with respect to any Security, a day other than
any day on which banking institutions in the city (or in any of the cities, if
more than one) in which amounts are payable, as specified in the form of such
Security, are authorized or required by any applicable law or regulation to be
closed.

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

          "Corporate Trust Office" means the office of the Trustee at which the
corporate trust business of the Trustee shall, at any particular time, be
principally administered, which office is, as of the date of this Indenture,
located at One First National Plaza, Suite 0126, Chicago, Illinois 60670-0126,
Attention:  Corporate Trust Administration.

          "Coupon" means any interest coupon appertaining to an Unregistered
Security.

          "Covenant Defeasance" shall have the meaning set forth in Section
10.1(C).

                                       2

 
          "Depositary" means, with respect to the Securities of any series
issuable or issued in the form of one or more Registered Global Securities, the
Person designated as Depositary by the Issuer pursuant to Section 2.3 until a
successor Depositary shall have become such pursuant to the applicable
provisions of this Indenture, and thereafter "Depositary" shall mean or include
each Person who is then a Depositary hereunder, and if at any time there is more
than one such Person, "Depositary" as used with respect to the Securities of any
such series shall mean the Depositary with respect to the Registered Global
Securities of that series.

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

          "ECU" means the European Currency Unit as defined and revised from
time to time by the European Monetary System of the European Community.

          "Event of Default" means any event or condition specified as such in
Section 5.1.

          "Exchange Act" means the Securities Exchange Act of 1934, as amended.

          "Fair Value" when used with respect to any Voting Stock means the fair
value as determined in good faith by the Board of Directors of the Issuer.

          "Foreign Currency" means a currency issued by the government of a
country other than the United States of America.

          "Holder," "Holder of Securities," "Securityholder" or other similar
terms mean (a) in the case of any Registered Security, the person in whose name
such Security is registered in the security register kept by the Issuer for that
purpose in accordance with the terms hereof, and (b) in the case of any
Unregistered Security, the bearer of such Security, or any Coupon appertaining
thereto, as the case may be.

          "Indenture" means this instrument as originally executed and delivered
or, if amended or supplemented as herein provided, as so amended or supplemented
or both, and shall include the forms and terms of particular series of
Securities established as contemplated hereunder.

          "IRS" means the Internal Revenue Service of the United States
Department of the Treasury, or any successor entity.

          "Issuer" means (except as otherwise provided in Article IX)  McKesson
Corporation, a Delaware corporation, and, subject to Article IX, its successors
and assigns.

          "Issuer Order" means a written statement, request or order of the
Issuer signed in its name by the chairman of the Board of Directors, the
president, any vice president or the treasurer of the Issuer.

                                       3

 
          "Judgment Currency" has the meaning set forth in Section 11.12.

          "Non-U.S. Person" means any person that is not a "U.S. person" as such
term is defined in Rule 902 of the Securities Act.

          "Officer's Certificate" means a certificate signed by the chairman of
the Board of Directors, the president or any vice president or the treasurer of
the Issuer and delivered to the Trustee.  Each such certificate shall comply
with Section 314 of the Trust Indenture Act and include the statements provided
for in Section 11.5.

          "144A Global Security" has the meaning set forth in Section 2.8(b)(i).

          "Opinion of Counsel" means an opinion in writing signed by legal
counsel who may be an employee of the Issuer or other counsel satisfactory to
the Trustee.  Each such opinion shall comply with Section 314 of the Trust
Indenture Act and include the statements provided for in Section 11.5.

          "Original Issue Date" of any Security (or portion thereof) means the
earlier of (a) the date of such Security or (b) the date of any Security (or
portion thereof) for which such Security was issued (directly or indirectly) on
registration of transfer, exchange or substitution.

          "Original Issue Discount Security" means any Security that provides
for an amount less than the principal amount thereof to be due and payable upon
a declaration of acceleration of the maturity thereof pursuant to Section 5.1.

          "Outstanding" (except as otherwise provided in Section 7.4), when used
with reference to Securities, means, subject to the provisions of Section 7.4,
as of any particular time, all Securities authenticated and delivered by the
Trustee under this Indenture, except

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

          (b)  Securities, or portions thereof, for the payment or redemption of
     which moneys or U.S. Government Obligations (as provided for in Section
     10.1) in the necessary amount shall have been deposited in trust with the
     Trustee or with any paying agent (other than the Issuer) or shall have been
     set aside, segregated and held in trust by the Issuer for the Holders of
     such Securities (if the Issuer shall act as its own paying agent),
     provided, that if such Securities, or portions thereof, are to be redeemed
     prior to the maturity thereof, notice of such redemption shall have been
     given as herein provided, or provisions satisfactory to the Trustee shall
     have been made for giving such notice; and

          (c)  Securities which shall have been paid or in substitution for
     which other Securities shall have been authenticated and delivered pursuant
     to the terms of Section 2.9 (except with respect to any such Security as to
     which proof satisfactory to the Trustee

                                       4

 
     is presented that such Security is held by a person in whose hands such
     Security is a legal, valid and binding obligation of the Issuer).

          In determining whether the Holders of the requisite principal amount
of Outstanding Securities of any or all series have given any request, demand,
authorization, direction, notice, consent or waiver hereunder, the principal
amount of an Original Issue Discount Security that shall be deemed to be
Outstanding for such purposes shall be the amount of the principal thereof that
would be due and payable as of the date of such determination upon a declaration
of acceleration of the maturity thereof pursuant to Section 5.1.

          "Periodic Offering" means an offering of Securities of a series from
time to time, the specific terms of which Securities, including, without
limitation, the rate or rates of interest, if any, thereon, the stated maturity
or maturities thereof and the redemption provisions, if any, with respect
thereto, are to be determined by the Issuer or its agents upon the issuance of
such Securities.

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

          "PORTAL Market" means Private Offerings, Resales and Trading through
Automatic Linkages Market.

          "principal" whenever used with reference to the Securities or any
Security or any portion thereof, shall be deemed to include "and premium, if
any," provided, however, that such inclusion of premium, if any, shall under no
circumstances result in the double counting of such premium for the purpose of
any calculation required hereunder.

          "QIB" or "Qualified Institutional Buyer" means "Qualified
Institutional Buyer" as such term is defined in Rule 144A under the Securities
Act.

          "record date" shall have the meaning set forth in Section 2.7.

          "Registered Global Security" means a Security evidencing all or a part
of a series of Registered Securities, issued to the Depositary for such series
in accordance with Section 2.4, and bearing the legend prescribed in Section 2.4
and any other legend required by the Depositary for such series.

          "Registered Security" means any Security registered on the Security
register of the Issuer.

          "Regulation S" means Regulation S under the Securities Act, or any
successor provision.

          "Regulation S Global Security" has the meaning set forth in Section
2.8(b).

                                       5

 
          "Required Currency" shall have the meaning set forth in Section 11.12.

          "Responsible Officer" when used with respect to the Trustee means the
chairman of the board of directors, any vice chairman of the board of directors,
the chairman of the trust committee, the chairman of the executive committee,
any vice chairman of the executive committee, the president, any vice president
(whether or not designated by numbers or words added before or after the title
"Vice President"), the cashier, the secretary, the treasurer, any trust officer,
any assistant trust officer, any assistant vice president, any assistant
cashier, any assistant secretary, any assistant treasurer, or any other officer
or assistant officer of the Trustee customarily performing functions similar to
those performed by the persons who at the time shall be such officers,
respectively, or to whom any corporate trust matter is referred because of his
or her knowledge of and familiarity with the particular subject.

          "Restricted Security" has the meaning set forth in Section 2.8(b).

          "Rule 144" means Rule 144 under the Securities Act.

          "Rule 144A" means Rule 144A under the Securities Act.

          "Rule 144K" means Rule 144(k) under the Securities Act.

          "Security" or "Securities" (except as otherwise provided in Section
7.4) has the meaning stated in the first recital of this Indenture, or, as the
case may be, Securities that have been authenticated and delivered under this
Indenture.

          "Securities Act" means the Securities Act of 1933, as amended.

          "Subsidiary" means any corporation of which at least a majority of the
outstanding stock having the voting power to elect a majority of the Board of
Directors of such corporation (irrespective of whether or not at the time stock
of any other class or classes of such corporation shall have or might have
voting power by reason of the happening of any contingency) is at the time of
determination directly or indirectly owned by the Issuer, or by one or more of
its Subsidiaries, or by the Issuer and one or more of its Subsidiaries.

          "Transfer Restriction Termination Date" means the earlier of the first
date on which (i) the Securities of a series (other than such Securities
acquired by the Issuer or any Affiliate thereof since the issue date of such
Securities) may be sold pursuant to Rule 144K (or any successor provision) and
(ii) all such Securities have been exchanged or sold pursuant to an effective
registration statement.

          "Trustee" means the Person identified as "Trustee" in the first
paragraph hereof and, subject to the provisions of Article VI, shall also
include any successor trustee.  "Trustee" shall also mean or include each Person
who is then a trustee hereunder and if at any time there is more than one such
Person, "Trustee" as used with respect to the Securities of any series shall
mean the trustee with respect to the Securities of such series.

                                       6

 
          "Unregistered Security" means any Security other than a Registered
Security.

          "U.S. Government Obligations" shall have the meaning set forth in
Section 10.1(A).

          "Voting Stock" means stock of any class or classes having general
voting power under ordinary circumstances to elect a majority of the board of
directors, managers or trustees of the corporation in question, provided, that,
for the purposes hereof, stock which carries only the right to vote
conditionally on the happening of an event shall not be considered voting stock
whether or not such event shall have happened.

          "Yield to Maturity" means the yield to maturity on a series of
securities, calculated at the time of issuance of such series, or, if
applicable, at the most recent redetermination of interest on such series, and
calculated in accordance with accepted financial practice.

                                  ARTICLE II

                                  SECURITIES

          SECTION 2.1  FORMS GENERALLY.  The Securities of each series and the
Coupons, if any, to be attached thereto shall be substantially in such form (not
inconsistent with this Indenture) as shall be established by or pursuant to one
or more Board Resolutions (as set forth in a Board Resolution or, to the extent
established pursuant to but not set forth in a Board Resolution, an Officer's
Certificate detailing such establishment) or in one or more indentures
supplemental hereto, in each case with such appropriate insertions, omissions,
substitutions and other variations as are required or permitted by this
Indenture and may have imprinted or otherwise reproduced thereon such legend or
legends or endorsements, not inconsistent with the provisions of this Indenture,
as may be required to comply with any law or with any rules or regulations
pursuant thereto, or with any rules of any securities exchange or to conform to
general usage, all as may be determined by the officers executing such
Securities and Coupons, if any, as evidenced by their execution of such
Securities and Coupons.

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

          SECTION 2.2  FORM OF TRUSTEE'S CERTIFICATE OF AUTHENTICATION.  The
Trustee's certificate of authentication on all Securities shall be in
substantially the following form:

                                       7

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


                                             THE FIRST NATIONAL BANK OF CHICAGO,
                                             as Trustee



                                             By  ______________________________
                                                 Authorized Signatory"

          If at any time there shall be an Authenticating Agent appointed with
respect to any series of Securities, then the Trustee's Certificate of
Authentication to be borne by the Securities of each such series shall be
substantially as follows:

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


                                             [_________________________________]
                                             as Authenticating Agent



                                             By  _______________________________
                                                 Authorized Signatory"

          SECTION 2.3  AMOUNT UNLIMITED; ISSUABLE IN SERIES.  The aggregate
principal amount of Securities which may be authenticated and delivered under
this Indenture is unlimited.

          The Securities may be issued in one or more series and each such
series shall rank equally and pari passu with all other unsecured and
unsubordinated debt of the Issuer.  There shall be established in or pursuant to
one or more Board Resolutions (and to the extent established pursuant to but
not set forth in a Board Resolution, in an Officer's Certificate detailing such
establishment) or established in one or more indentures supplemental hereto,
prior to the initial issuance of Securities of any series,

          (1)   the designation of the Securities of the series, which shall
     distinguish the Securities of the series from the Securities of all other
     series, and which may be part of a series of Securities previously issued;

          (2)   any limit upon the aggregate principal amount of the Securities
     of the series that may be authenticated and delivered under this Indenture
     (except for Securities

                                       8

 
     authenticated and delivered upon registration of transfer of, or in
     exchange for, or in lieu of, other Securities of the series pursuant to
     Section 2.8, 2.9, 2.11, 8.5 or 12.3);

          (3)   if other than Dollars, the coin or currency in which the
     Securities of the series are denominated (including, but not limited to,
     any Foreign Currency or ECU);

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

          (5)   the rate or rates at which the Securities of the series shall
     bear interest, if any, the date or dates from which such interest shall
     accrue, on which such interest shall be payable and (in the case of
     Registered Securities) on which a record shall be taken for the
     determination of Holders to whom interest is payable and/or the method by
     which such rate or rates or date or dates shall be determined;

          (6)   the place or places where the principal of and any interest on
     Securities of the series shall be payable, if other than as provided in
     Section 3.2;

          (7)   the right, if any, of the Issuer to redeem Securities, in whole
     or in part, at its option and the period or periods within which, the price
     or prices at which and any terms and conditions upon which Securities of
     the series may be so redeemed, pursuant to any sinking fund or otherwise;

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

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

          (10)  if other than the principal amount thereof, the portion of the
     principal amount of Securities of the series which shall be payable upon
     declaration of acceleration of the maturity thereof;

          (11)  if other than the coin or currency in which the Securities of
     the series are denominated, the coin or currency in which payment of the
     principal of or interest on the Securities of such series shall be payable;

          (12)  if the principal of or interest on the Securities of the series
     are to be payable, at the election of the Issuer or a Holder thereof, in a
     coin or currency other than

                                       9

 
     that in which the Securities are denominated, the period or periods within
     which, and the terms and conditions upon which, such election may be made;

          (13)  if the amount of payments of principal of and interest on the
     Securities of the series may be determined with reference to an index based
     on a coin or currency other than that in which the Securities of the series
     are denominated, the manner in which such amounts shall be determined;

          (14)  whether the Securities of the series will be issuable as
     Registered Securities (and if so, whether such Securities will be issuable
     as Registered Global Securities) or Unregistered Securities (with or
     without Coupons), or any combination of the foregoing, any restrictions
     applicable to the offer, sale or delivery of Unregistered Securities or the
     payment of interest thereon and, if other than as provided in Section 2.8,
     the terms upon which Unregistered Securities of any series may be exchanged
     for Registered Securities of such series and vice versa;

          (15)  whether and under what circumstances the Issuer will pay
     additional amounts on the Securities of the series held by a person who is
     not a U.S. person in respect of any tax, assessment or governmental charge
     withheld or deducted and, if so, whether the Issuer will have the option to
     redeem the Securities of the series rather than pay such additional
     amounts;

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

          (17)  any trustees, depositaries, authenticating or paying agents,
     transfer agents or registrars of any other agents with respect to the
     Securities of such series;

          (18)  any other events of default or covenants with respect to the
     Securities of such series;

          (19)  if the Securities of the series are to be convertible into or
     exchangeable for any other security; and

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

          All Securities of any one series and Coupons, if any, appertaining
thereto shall be substantially identical, except in the case of Registered
Securities as to denomination and except as may otherwise be provided by or
pursuant to the Board Resolution or Officer's Certificate referred to above or
as set forth in any indenture supplemental hereto.  All Securities of any one
series need not be issued at the same time and may be issued from time to time,

                                       10

 
consistent with the terms of this Indenture, if so provided by or pursuant to
such Board Resolution, such Officer's Certificate or in any indenture
supplemental hereto.

          SECTION 2.4  AUTHENTICATION AND DELIVERY OF SECURITIES.  The Issuer
may deliver Securities of any series having attached thereto appropriate
Coupons, if any, executed by the Issuer to the Trustee for authentication
together with the applicable documents referred to below in this Section 2.4,
and the Trustee shall thereupon authenticate and deliver such Securities and
Coupons, if any, to or upon the order of the Issuer (contained in the Issuer
Order referred to below in this Section) or pursuant to such procedures
acceptable to the Trustee and to such recipients as may be specified from time
to time by an Issuer Order.  The maturity date, original issue date, interest
rate and any other terms of the Securities of such series and Coupons, if any,
appertaining thereto shall be determined by or pursuant to such Issuer Order and
procedures.  If provided for in such procedures, such Issuer Order may authorize
authentication and delivery pursuant to oral or electronic instructions from the
Issuer or its duly authorized agent or agents, which instructions, if oral,
shall be promptly confirmed in writing.  In authenticating such Securities and
accepting the additional responsibilities under this Indenture in relation to
such Securities, the Trustee shall be entitled to receive (in the case of
subparagraphs (2), (3) and (4) below only at or before the time of the first
request of the Issuer to the Trustee to authenticate Securities of such series)
and (subject to Section 6.1) shall be fully protected in relying upon, the
following enumerated documents unless and until such documents have been
superseded or revoked:

          (1)   an Issuer Order requesting such authentication and setting forth
     delivery instructions if the Securities and Coupons, if any, are not to be
     delivered to the Issuer, provided that, with respect to Securities of a
     series subject to a Periodic Offering, (a) such Issuer Order may be
     delivered by the Issuer to the Trustee prior to the delivery to the Trustee
     of such Securities for authentication and delivery, (b) the Trustee shall
     authenticate and deliver Securities of such series for original issue from
     time to time, in an aggregate principal amount not exceeding the aggregate
     principal amount established for such series, pursuant to an Issuer Order
     or pursuant to procedures acceptable to the Trustee as may be specified
     from time to time by an Issuer Order, (c) the maturity date or dates,
     original issue date or dates, interest rate or rates and any other terms of
     Securities of such series shall be determined by an Issuer Order or
     pursuant to such procedures and (d) if provided for in such procedures,
     such Issuer Order may authorize authentication and delivery pursuant to
     oral or electronic instructions from the Issuer or its duly authorized
     agent or agents, which instructions, if oral, shall be promptly confirmed
     in writing;

          (2)   any Board Resolution, Officer's Certificate and/or executed
     supplemental indenture referred to in Section 2.1 and 2.3 by or pursuant to
     which the forms and terms of the Securities and Coupons, if any, were
     established;

          (3)   an Officer's Certificate setting forth the form or forms and
     terms of the Securities and Coupons, if any, stating that the form or forms
     and terms of the Securities

                                       11

 
     and Coupons, if any, have been established pursuant to Sections 2.1 and 2.3
     and comply with this Indenture, and covering such other matters as the
     Trustee may reasonably request; and

          (4)   At the option of the Issuer, either one or more Opinions of
     Counsel, or a letter addressed to the Trustee permitting it to rely on one
     or more Opinions of Counsel, substantially to the effect that:

                (a) the form or forms of the Securities and Coupons, if any,
          have been duly authorized and established in conformity with the
          provisions of this Indenture;

                (b) in the case of an underwritten offering, the terms of the
          Securities have been duly authorized and established in conformity
          with the provisions of this Indenture, and, in the case of an offering
          that is not underwritten, certain terms of the Securities have been
          established pursuant to a Board Resolution, an Officer's Certificate
          or a supplemental indenture in accordance with this Indenture, and
          when such other terms as are to be established pursuant to procedures
          set forth in an Issuer Order shall have been established, all such
          terms will have been duly authorized by the Issuer and will have been
          established in conformity with the provisions of this Indenture; and

                (c) such Securities and Coupons, if any, when executed by the
          Issuer and authenticated by the Trustee in accordance with the
          provisions of this Indenture and delivered to and duly paid for by the
          purchasers thereof, and subject to any conditions specified in such
          Opinion of Counsel, will have been duly issued under this Indenture,
          will be entitled to the benefits of this Indenture, and will be valid
          and binding obligations of the Issuer, enforceable in accordance with
          their respective terms except as the enforceability thereof may be
          limited by (i) bankruptcy, insolvency or similar laws affecting
          creditors' rights generally, (ii) rights of acceleration, if any, and
          (iii) the availability of equitable remedies may be limited by
          equitable principles of general applicability and such counsel need
          express no opinion with regard to the enforceability of Section 6.6 or
          of a judgment denominated in a currency other than Dollars.

          In rendering such opinions, any counsel may qualify any opinions as to
enforceability by stating that such enforceability may be limited by bankruptcy,
insolvency, reorganization, liquidation, moratorium, fraudulent transfer and
other similar laws affecting the rights and remedies of creditors and is subject
to general principles of equity (regardless of whether such enforceability is
considered in a proceeding in equity or at law).  Such counsel may rely upon
opinions of other counsel (copies of which shall be delivered to the Trustee)
reasonably satisfactory to the Trustee, in which case the opinion shall state
that such counsel believes he and the Trustee are entitled so to rely.  Such
counsel may also state that, insofar as

                                       12

 
such opinion involves factual matters, he has relied, to the extent he deems
proper, upon certificates of officers of the Issuer and its subsidiaries and
certificates of public officials.

          The Trustee shall have the right to decline to authenticate and
deliver any Securities under this section if the Trustee, being advised by
counsel, determines that such action may not lawfully be taken by the Issuer or
if the Trustee in good faith by its board of directors or board of trustees,
executive committee or a trust committee of directors or trustees  shall
determine that such action would expose the Trustee to personal liability to
existing Holders or would affect the Trustee's own rights, duties or immunities
under the Securities, this Indenture or otherwise.

          If the Issuer shall establish pursuant to Section 2.3 that the
Securities of a series are to be issued in the form of one or more Registered
Global Securities, then the Issuer shall execute and the Trustee shall, in
accordance with this Section and the Issuer Order with respect to such series,
authenticate and deliver one or more Registered Global Securities that (i) shall
represent and shall be denominated in an amount equal to the aggregate principal
amount of all of the Securities of such series issued and not yet cancelled,
(ii) shall be registered in the name of the Depositary for such Registered
Global Security or Securities or the nominee of such Depositary, (iii) shall be
delivered by the Trustee to such Depositary or delivered or held pursuant to
such Depositary's instructions and (iv) shall bear a legend substantially to the
following effect:  "Unless and until it is exchanged in whole or in part for
Securities in definitive registered form, this Security may not be transferred
except as a whole by the Depositary to the 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 or a nominee
of such successor Depositary."

          Each Depositary designated pursuant to Section 2.3 must, at the time
of its designation and at all times while it serves as Depositary, be a clearing
agency registered under the Exchange Act and any other applicable statute or
regulation.

          SECTION 2.5  EXECUTION OF SECURITIES.  The Securities and each Coupon
appertaining thereto, if any, shall be signed on behalf of the Issuer by the
chairman or vice chairman of its Board of Directors or its president, or any
executive (senior or other), a  vice president or its treasurer, under its
corporate seal (except in the case of Coupons) which may, but need not, be
attested.  Such signatures may be the manual or facsimile signatures of the
present or any future such officers.  The seal of the Issuer may be in the form
of a facsimile thereof and may be impressed, affixed, imprinted or otherwise
reproduced on the Securities.  Typographical and other minor errors or defects
in any such reproduction of the seal or any such signature shall not affect the
validity or enforceability of any Security that has been duly authenticated and
delivered by the Trustee.

          In case any officer of the Issuer who shall have signed any of the
Securities or Coupons, if any, shall cease to be such officer before the
Security or Coupon so signed (or the Security to which the Coupon so signed
appertains) shall be authenticated and delivered by the

                                       13

 
Trustee or disposed of by the Issuer, such Security or Coupon nevertheless may
be authenticated and delivered or disposed of as though the person who signed
such Security or Coupon had not ceased to be such officer of the Issuer; and any
Security or Coupon may be signed on behalf of the Issuer by such persons as, at
the actual date of the execution of such Security or Coupon, shall be the proper
officers of the Issuer, although at the date of the execution and delivery of
this Indenture any such person was not such an officer.

          SECTION 2.6  CERTIFICATE OF AUTHENTICATION.  Only such Securities as
shall bear thereon a certificate of authentication substantially in the form
hereinbefore recited, executed by the Trustee by the manual signature of one of
its authorized officers, shall be entitled to the benefits of this Indenture or
be valid or obligatory for any purpose.  No Coupon shall be entitled to the
benefits of this Indenture or shall be valid and obligatory for any purpose
until the certificate of authentication on the Security to which such Coupon
appertains shall have been duly executed by the Trustee.  The execution of such
certificate by the Trustee upon any Security executed by the Issuer shall be
conclusive evidence that the Security so authenticated has been duly
authenticated and delivered hereunder and that the Holder is entitled to the
benefits of this Indenture.

          SECTION 2.7  DENOMINATION AND DATE OF SECURITIES; PAYMENTS OF
INTEREST.  The Securities of each series shall be issuable as Registered
Securities or Unregistered Securities in denominations established as
contemplated by Section 2.3 or, with respect to the Registered Securities of any
series, if not so established, in denominations of $1,000 and any integral
multiple thereof.  If denominations of Unregistered Securities of any series are
not so established, such Securities shall be issuable in denominations of $1,000
and $5,000.  The Securities of each series shall be numbered, lettered or
otherwise distinguished in such manner or in accordance with such plan as the
officers of the Issuer executing the same may determine with the approval of the
Trustee, as evidenced by the execution and authentication thereof.

          Each Registered Security shall be dated the date of its
authentication.  Each Unregistered Security shall be dated as provided in the
Board Resolution referred to in Section 2.3.  The Securities of each series
shall bear interest, if any, from the date, and such interest shall be payable
on the dates, established as contemplated by Section 2.3.

          The person in whose name any Registered Security of any series is
registered at the close of business on any record date applicable to a
particular series with respect to any interest payment date for such series
shall be entitled to receive the interest, if any, payable on such interest
payment date notwithstanding any transfer or exchange of such Registered
Security subsequent to the record date and prior to such interest payment date,
except if and to the extent the Issuer shall default in the payment of the
interest due on such interest payment date for such series, in which case such
defaulted interest shall be paid to the persons in whose names Outstanding
Registered Securities for such series are registered at the close of business on
a subsequent record date (which shall be not less than five Business Days prior
to the date of payment of such defaulted interest) established by notice given
by mail by or on behalf of the

                                       14

 
Issuer to the Holders of Registered Securities not less than 15 days preceding
such subsequent record date.  The term "record date" as used with respect to any
interest payment date (except a date for payment of defaulted interest) for the
Securities of any series shall mean the date specified as such in the terms of
the Registered Securities of such series established as contemplated by 
Section 2.3, or, if no such date is so established, if such interest payment
date is the first day of a calendar month, the fifteenth day of the preceding
calendar month or, if such interest payment date is the fifteenth day of a
calendar month, the first day of such calendar month, whether or not such record
date is a Business Day.

          SECTION 2.8  REGISTRATION, TRANSFER AND EXCHANGE.  (a) The Issuer will
keep at each office or agency to be maintained for the purpose as provided in
Section 3.2 for each series of Securities a register or registers in which,
subject to such reasonable regulations as the Issuer may prescribe, it will
provide for the registration of Registered Securities of such series and the
registration of transfer of Registered Securities of such series.  Such register
shall be in written form in the English language or in any other form capable of
being converted into such form within a reasonable time.  At all reasonable
times such register or registers shall be open for inspection by the Trustee.

          Upon due presentation for registration of transfer of any Registered
Security of any series at any such office or agency to be maintained for the
purpose as provided in Section 3.2, the Issuer shall execute and the Trustee
shall authenticate and deliver in the name of the transferee or transferees a
new Registered Security or Registered Securities of the same series, maturity
date, interest rate and original issue date in authorized denominations for a
like aggregate principal amount.

          Unregistered Securities (except for any temporary global Unregistered
Securities) and Coupons (except for Coupons attached to any temporary global
Unregistered Securities) shall be transferable by delivery.

          At the option of the Holder thereof, Registered Securities of any
series (other than a Registered Global Security, except as set forth below) may
be exchanged for a Registered Security or Registered Securities of such series
having authorized denominations and an equal aggregate principal amount, upon
surrender of such Registered Securities to be exchanged at the agency of the
Issuer that shall be maintained for such purpose in accordance with Section 3.2
and upon payment, if the Issuer shall so require, of the charges hereinafter
provided.  If the Securities of any series are issued in both registered and
unregistered form, at the option of the Holder thereof, except as otherwise
specified pursuant to Section 2.3, Unregistered Securities of any series may be
exchanged for Registered Securities of such series having authorized
denominations and an equal aggregate principal amount, upon surrender of such
Unregistered Securities to be exchanged at the agency of the Issuer that shall
be maintained for such purpose in accordance with Section 3.2, with, in the case
of Unregistered Securities that have Coupons attached, all unmatured Coupons and
all matured Coupons in default thereto appertaining, and upon payment, if the
Issuer shall so require, of the charges hereinafter provided.  At the option of
the Holder thereof, if Unregistered Securities of any series, maturity date,
interest rate and

                                       15

 
original issue date are issued in more than one authorized denomination, except
as otherwise specified pursuant to Section 2.3, such Unregistered Securities may
be exchanged for Unregistered Securities of such series having authorized
denominations and an equal aggregate principal amount, upon surrender of such
Unregistered Securities to be exchanged at the agency of the Issuer that shall
be maintained for such purpose in accordance with Section 3.2 or as specified
pursuant to Section 2.3, with, in the case of Unregistered Securities that have
Coupons attached, all unmatured Coupons and all matured Coupons in default
thereto appertaining, and upon payment, if the Issuer shall so require, of the
charges hereinafter provided.  Registered Securities of any series may not be
exchanged for Unregistered Securities of such series unless (1) otherwise
specified pursuant to Section 2.3 and (2) the Issuer has delivered to the
Trustee an Opinion of Counsel that (x) the Issuer has received from the IRS a
ruling or (y) since the date hereof, there has been a change in the applicable
Federal income tax law, in either case to the effect that the inclusion of terms
permitting Registered Securities to be exchanged for Unregistered Securities
would result in no Federal income tax effect adverse to the Issuer or to any
Holder.  Whenever any Securities are so surrendered for exchange, the Issuer
shall execute, and the Trustee shall authenticate and deliver, the Securities
which the Holder making the exchange is entitled to receive.  All Securities and
Coupons, if any, surrendered upon any exchange or transfer provided for in this
Indenture shall be promptly cancelled and disposed of by the Trustee, and the
Trustee shall deliver a certificate of disposition thereof to the Issuer.

          All Registered Securities presented for registration of transfer,
exchange, redemption or payment shall (if so required by the Issuer or the
Trustee) be duly endorsed, or be accompanied by a written instrument or
instruments of transfer in form satisfactory to the Issuer and the Trustee duly
executed, by the Holder or his attorney duly authorized in writing.

          The Issuer may require payment of a sum sufficient to cover any tax or
other governmental charge that may be imposed in connection with any exchange or
registration of transfer of Securities.  No service charge shall be made for any
such transaction.

          The Issuer shall not be required to exchange or register a transfer of
(a) any Securities of any series for a period of 15 days preceding the first
mailing of notice of redemption of Securities of such series to be redeemed or
(b) any Securities selected, called or being called for redemption, in whole or
in part, except, in the case of any Security to be redeemed in part, the portion
thereof not so to be redeemed.

          Notwithstanding any other provision of this Section 2.8, unless and
until it is exchanged in whole or in part for Securities in definitive
registered form, a Registered Global Security representing all or a portion of
the Securities of a series may not be transferred except as a whole by the
Depositary for such series to a nominee of such Depositary or by a nominee of
such Depositary to such Depositary or another nominee of such Depositary or by
such Depositary or any such nominee to a successor Depositary for such series or
a nominee of such successor Depositary.

                                       16

 
          If at any time the Depositary for any Registered Securities of a
series represented by one or more Registered Global Securities notifies the
Issuer that it is unwilling or unable to continue as Depositary for such
Registered Securities or if at any time the Depositary for such Registered
Securities shall no longer be eligible under Section 2.4, the Issuer shall
appoint a successor Depositary eligible under Section 2.4 with respect to such
Registered Securities.  If a successor Depositary eligible under Section 2.4 for
such Registered Securities is not appointed by the Issuer within 90 days after
the Issuer receives such notice or becomes aware of such ineligibility, the
Issuer's election pursuant to Section 2.3 that such Registered Securities be
represented by one or more Registered Global Securities shall no longer be
effective and the Issuer will execute, and the Trustee, upon receipt of an
Officer's Certificate for the authentication and delivery of definitive
Securities of such series, will authenticate and deliver, Securities of such
series in definitive registered form without coupons, in any authorized
denominations, in an aggregate principal amount equal to the principal amount of
the Registered Global Security or Securities representing such Registered
Securities in exchange for such Registered Global Security or Securities.

          The Issuer may at any time and in its sole discretion determine that
the Registered Securities of any series issued in the form of one or more
Registered Global Securities shall no longer be represented by a Registered
Global Security or Securities.  In such event the Issuer will execute, and the
Trustee, upon receipt of any Officer's Certificate for the authentication and
delivery of definitive Securities of such series, will authenticate and deliver,
Securities of such series in definitive registered form without coupons, in any
authorized denominations, in an aggregate principal amount equal to the
principal amount of the Registered Global Security or Securities representing
such Registered Securities, in exchange for such Registered Global Security or
Securities.

          If specified by the Issuer pursuant to Section 2.3 with respect to
Securities represented by a Registered Global Security, the Depositary for such
Registered Global Security may surrender such Registered Global Security in
exchange in whole or in part for Securities of the same series in definitive
registered form on such terms as are acceptable to the Issuer and such
Depositary.  Thereupon, the Issuer shall execute, and the Trustee shall
authenticate and deliver, without service charge,

          (i)   to the Person specified by such Depositary a new Registered
     Security or Securities of the same series, of any authorized denominations
     as requested by such Person, in an aggregate principal amount equal to and
     in exchange for such Person's beneficial interest in the Registered Global
     Security; and

          (ii)  to such Depositary a new Registered Global Security in a
     denomination equal to the difference, if any, between the principal amount
     of the surrendered Registered Global Security and the aggregate principal
     amount of Registered Securities authenticated and delivered pursuant to
     clause (i) above.

                                       17

 
          Upon the exchange of a Registered Global Security for Securities in
definitive registered form without coupons, in authorized denominations, such
Registered Global Security shall be cancelled by the Trustee or an agent of the
Issuer or the Trustee.  Securities in definitive registered form without coupons
issued in exchange for a Registered Global Security pursuant to this Section 2.8
shall be registered in such names and in such authorized denominations as the
Depositary for such Registered Global Security, pursuant to instructions from
its direct or indirect participants or otherwise, shall instruct the Trustee or
an agent of the Issuer or the Trustee.  The Trustee or such agent shall deliver
such Securities to or as directed by the Persons in whose names such Securities
are so registered.

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

          Notwithstanding anything herein or in the terms of any series of
Securities to the contrary, none of the Issuer, the Trustee or any agent of the
Issuer or the Trustee (any of which, other than the Issuer, shall rely on an
Officer's Certificate and an Opinion of Counsel) shall be required to exchange
any Unregistered Security for a Registered Security if such exchange would
result in Federal income tax consequences adverse to the Issuer (such as, for
example, the inability of the Issuer to deduct from its income, as computed for
Federal income tax purposes, the interest payable on the Unregistered
Securities) under then applicable United States Federal income tax laws.

   (b)(i) Securities that are distributed to QIBs will be represented by a
global Security (the "144A Global Security"). Securities that are distributed to
Non-U.S. Persons will be represented by a global Security (the "Regulation S
Global Security"). Each of the 144A Global Security and the Regulation S Global
Security shall be referred to herein as a "Global Security."  If Global
Securities are issued, transfers of interests in the Securities between the 144A
Global Security and the Regulation S Global Security will be made in accordance
with the standing instructions and procedures of the Depositary and its
participants and the Trustee shall make appropriate endorsements to reflect
increases or decreases in the principal amounts of such Global Securities to
reflect any such transfers.

          Except as provided below, beneficial owners of a Security in global
form shall not be entitled to have certificates registered in their names, will
not receive or be entitled to receive physical delivery of certificates in
definitive form and will not be considered Holders of such Securities in global
form.

          (ii)   So long as the Securities are eligible for book-entry
settlement, and to the extent that Securities are held by QIBs or Non-U.S.
Persons, as the case may be, in a Global Security, or unless otherwise required
by law, upon any transfer of a definitive Security to a QIB in accordance with
Rule 144A or to a Non-U.S. Person in accordance with Regulation S, unless
otherwise requested by the transferor, and upon receipt of the definitive
Security or Securities being so transferred, together with a certification from
the transferor that the transfer is being

                                       18

 
made in compliance with Rule 144A or Regulation S, as the case may be (or other
evidence satisfactory to the Trustee), the Trustee shall make an endorsement on
any 144A Global Security or any Regulation S Global Security, as the case may
be, to reflect an increase in the aggregate principal amount of the Securities
represented by such Global Security, and the Trustee shall cancel such
definitive Security or Securities in accordance with the standing instructions
and procedures of the Depositary, the aggregate principal amount of Securities
represented by such Global Security to be increased accordingly; provided that
no definitive Security, or portion thereof, in respect of which the Issuer or an
Affiliate of the Issuer held any beneficial interest shall be included in such
Global Security until such definitive Security is freely tradable in accordance
with Rule 144K; provided further that the Trustee shall, at the written request
of the Issuer, issue Securities in definitive form upon any transfer of a
beneficial interest in the Global Security to the Issuer or any Affiliate of the
Issuer.

          Any Global Security may be endorsed with or have incorporated in the
text thereof such legends or recitals or changes not inconsistent with the
provisions of this Indenture as may be required by the Depositary, by the New
York Stock Exchange or by the National Association of Securities Dealers, Inc.
in order for the Securities to be tradeable on the PORTAL Market or as may be
required for the Securities to be tradeable on any other market developed for
trading of securities pursuant to Rule 144A or required to comply with any
applicable law or any regulation thereunder or with the rules and regulations of
any securities exchange upon which the Securities may be listed or traded or to
conform with any usage with respect thereto, or to indicate any special
limitations or restrictions to which any particular Securities are subject.

          (iii)  Each Security that bears or is required to bear the legend set
forth in this Section 2.8(b) (a "Restricted Security") shall be subject to the
restrictions on transfer provided in the legend set forth in this 
Section 2.8(b), unless such restrictions on transfer shall be waived by the
written consent of the Issuer, and the Holder of each Restricted Security, by
such Holder's acceptance thereof, agrees to be bound by such restrictions on
transfer. As used in this Section 2.8(b), the term "transfer" encompasses any
sale, pledge, transfer or other disposition of any Restricted Security.

     Prior to the Transfer Restriction Termination Date, any certificate
evidencing a Security shall bear a legend in substantially the following form,
unless otherwise agreed by the Issuer (with written notice thereof to the
Trustee):

     THE SECURITY EVIDENCED HEREBY HAS NOT BEEN REGISTERED UNDER THE U.S.
     SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), AND,
     ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR
     FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT AS SET FORTH IN THE
     FOLLOWING SENTENCE. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS
     THAT (A) IT IS A "QUALIFIED INSTITUTIONAL BUYER" (AS DEFINED IN RULE 144A
     UNDER THE SECURITIES ACT) OR (B) IT IS AN INSTITUTIONAL "ACCREDITED
     INVESTOR" (AS

                                       19

 
     DEFINED IN RULE 50l(A)(1), (2), (3) OR (7) UNDER THE SECURITIES ACT)
     ("INSTITUTIONAL ACCREDITED INVESTOR") OR (C) IT IS NOT A U.S. PERSON AND IS
     ACQUIRING THE SECURITY EVIDENCED HEREBY IN AN OFFSHORE TRANSACTION, (2)
     AGREES THAT IT WILL NOT PRIOR TO THE EXPIRATION OF THE HOLDING PERIOD
     APPLICABLE TO SALES OF THE SECURITY EVIDENCED HEREBY UNDER RULE 144(K)
     UNDER THE SECURITIES ACT (OR ANY SUCCESSOR PROVISION), RESELL OR OTHERWISE
     TRANSFER THE SECURITY EVIDENCED HEREBY EXCEPT (A) TO McKESSON CORPORATION
     (THE "COMPANY") OR ANY SUBSIDIARY THEREOF, (B) PURSUANT TO AN EFFECTIVE
     REGISTRATION STATEMENT UNDER THE SECURITIES ACT, (C) TO A QUALIFIED
     INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT,
     (D) TO AN INSTITUTIONAL ACCREDITED INVESTOR THAT, PRIOR TO SUCH TRANSFER,
     FURNISHES TO THE TRUSTEE FOR THE SECURITIES A SIGNED LETTER CONTAINING
     CERTAIN REPRESENTATIONS AND AGREEMENTS RELATING TO THE RESTRICTIONS ON
     TRANSFER OF THE SECURITY EVIDENCED HEREBY (THE FORM OF WHICH LETTER CAN BE
     OBTAINED FROM SUCH TRUSTEE), (E) OUTSIDE THE UNITED STATES IN COMPLIANCE
     WITH RULE 904 UNDER THE SECURITIES ACT OR (F) PURSUANT TO THE EXEMPTION
     FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF
     AVAILABLE) AND (3) AGREES THAT IT WILL DELIVER TO EACH PERSON TO WHOM THE
     SECURITY EVIDENCED HEREBY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE
     EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THE SECURITY
     EVIDENCED HEREBY PRIOR TO THE EXPIRATION OF THE HOLDING PERIOD APPLICABLE
     TO SALES OF THE SECURITY EVIDENCED HEREBY UNDER RULE 144(K) UNDER THE
     SECURITIES ACT (OR ANY SUCCESSOR PROVISION), THE HOLDER MUST CHECK THE
     APPROPRIATE BOX SET FORTH ON THE REVERSE HEREOF RELATING TO THE MANNER OF
     SUCH TRANSFER AND SUBMIT THIS CERTIFICATE TO THE TRUSTEE FOR THE
     SECURITIES.  IF THE PROPOSED TRANSFEREE IS AN INSTITUTIONAL ACCREDITED
     INVESTOR OR A PURCHASER WHO IS NOT A U.S. PERSON, THE HOLDER MUST, PRIOR TO
     SUCH TRANSFER, FURNISH TO THE TRUSTEE FOR THE SECURITIES SUCH
     CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS THE COMPANY OR THE
     TRUSTEE MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE
     PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE
     REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THIS LEGEND WILL BE
     REMOVED AFTER THE EXPIRATION OF THE HOLDING PERIOD APPLICABLE TO SALES OF
     THE SECURITY EVIDENCED HEREBY UNDER RULE 144(K) UNDER THE SECURITIES ACT.
     AS USED HEREIN, THE TERMS "OFFSHORE TRANSACTION," "UNITED STATES" AND "U.S.
     PERSON" HAVE THE MEANINGS GIVEN TO THEM BY REGULATION S UNDER THE
     SECURITIES ACT.

                                       20

 
          Following the Transfer Restriction Termination Date, any Security or
security issued in exchange or substitution therefor (other than Securities
acquired by the Issuer or any Affiliate thereof since the issue date of the
Securities) may upon surrender of such Security for exchange to the registrar in
accordance with the provisions of this Section 2.8, be exchanged for a new
Security or Securities, of like tenor and aggregate principal amount, which
shall not bear the restrictive legend required by this Section 2.8(b).

          SECTION 2.9  MUTILATED, DEFACED, DESTROYED, LOST AND STOLEN
SECURITIES.  In case any temporary or definitive Security or any Coupon
appertaining to any Security shall be mutilated, defaced, destroyed, lost or
stolen, the Issuer in its discretion may execute and, upon the written request
of any officer of the Issuer, the Trustee shall authenticate and deliver, a new
Security of the same series, maturity date, interest rate and original issue
date, bearing a number or other distinguishing symbol not contemporaneously
outstanding, in exchange and substitution for the mutilated or defaced Security,
or in lieu of and in substitution for the Security so destroyed, lost or stolen
with Coupons corresponding to the Coupons appertaining to the Securities so
mutilated, defaced, destroyed, lost or stolen, or in exchange or substitution
for the Security to which such mutilated, defaced, destroyed, lost or stolen
Coupon appertained, with Coupons appertaining thereto corresponding to the
Coupons so mutilated, defaced, destroyed, lost or stolen.  In every case the
applicant for a substitute Security or Coupon shall furnish to the Issuer and to
the Trustee and any agent of the Issuer or the Trustee such security or
indemnity as may be required by them to indemnify and defend and to save each of
them harmless and, in every case of destruction, loss or theft, evidence to
their satisfaction of the destruction, loss or theft of such Security or Coupon
and of the ownership thereof, and in the case of mutilation or defacement shall
surrender the Security and related Coupons to the Trustee or such agent.

          Upon the issuance of any substitute Security or Coupon, the Issuer may
require the payment of a sum sufficient to cover any tax or other governmental
charge that may be imposed in relation thereto and any other expenses (including
the fees and expenses of the Trustee) or its agent connected therewith.  In case
any Security or Coupon which has matured or is about to mature or has been
called for redemption in full shall become mutilated or defaced or be destroyed,
lost or stolen, the Issuer may instead of issuing a substitute Security, pay or
authorize the payment of the same or the relevant Coupon (without surrender
thereof except in the case of a mutilated or defaced Security or Coupon), if the
applicant for such payment shall furnish to the Issuer and to the Trustee and
any agent of the Issuer or the Trustee such security or indemnity as any of them
may require to save each of them harmless, and, in every case of destruction,
loss or theft, the applicant shall also furnish to the Issuer and the Trustee
and any agent of the Issuer or the Trustee evidence to their satisfaction of the
destruction, loss or theft of such Security or Coupons and of the ownership
thereof.

          Every substitute Security or Coupon of any series issued pursuant to
the provisions of this Section by virtue of the fact that any such Security or
Coupon is destroyed, lost or stolen shall constitute an additional contractual
obligation of the Issuer, whether or not the destroyed, lost or stolen Security
or Coupon shall be at any time enforceable by anyone and


                                      21

 
shall be entitled to all the benefits of (but shall be subject to all the
limitations of rights set forth in) this Indenture equally and proportionately
with any and all other Securities or Coupons of such series duly authenticated
and delivered hereunder.  All Securities and Coupons shall be held and owned
upon the express condition that, to the extent permitted by law, the foregoing
provisions are exclusive with respect to the replacement or payment of
mutilated, defaced or destroyed, lost or stolen Securities and Coupons and shall
preclude any and all other rights or remedies notwithstanding any law or statute
existing or hereafter enacted to the contrary with respect to the replacement or
payment of negotiable instruments or other securities without their surrender.

          SECTION 2.10  CANCELLATION OF SECURITIES; DESTRUCTION THEREOF.  All
Securities and Coupons surrendered for payment, redemption, registration of
transfer or exchange, or for credit against any payment in respect of a sinking
or analogous fund, if any, if surrendered to the Issuer or any agent of the
Issuer or the Trustee or any agent of the Trustee, shall be delivered to the
Trustee or its agent for cancellation or, if surrendered to the Trustee, shall
be cancelled by it; and no Securities or Coupons shall be issued in lieu thereof
except as expressly permitted by any of the provisions of this Indenture.  The
Trustee or its agent shall dispose of cancelled Securities and Coupons held by
it and deliver a certificate of disposition to the Issuer.  If the Issuer or its
agent shall acquire any of the Securities or Coupons, such acquisition shall not
operate as a redemption or satisfaction of the indebtedness represented by such
Securities or Coupons unless and until the same are delivered to the Trustee or
its agent for cancellation.

          SECTION 2.11  TEMPORARY SECURITIES.  Pending the preparation of
definitive Securities for any series, the Issuer may execute and the Trustee
shall authenticate and deliver temporary Securities for such series (printed,
lithographed, typewritten or otherwise reproduced, in each case in form
satisfactory to the Trustee).  Temporary Securities of any series shall be
issuable as Registered Securities without coupons, or as Unregistered Securities
with or without coupons attached thereto, of any authorized denomination, and
substantially in the form of the definitive Securities of such series but with
such omissions, insertions and variations as may be appropriate for temporary
Securities, all as may be determined by the Issuer with the concurrence of the
Trustee as evidenced by the execution and authentication thereof.  Temporary
Securities may contain such references to any provisions of this Indenture as
may be appropriate.  Every temporary Security shall be executed by the Issuer
and be authenticated by the Trustee upon the same conditions and in
substantially the same manner, and with like effect, as the definitive
Securities.  Without unreasonable delay the Issuer shall execute and shall
furnish definitive Securities of such series and thereupon temporary Registered
Securities of such series may be surrendered in exchange therefor without charge
at each office or agency to be maintained by the Issuer for that purpose
pursuant to Section 3.2 and, in the case of Unregistered Securities, at any
agency maintained by the Issuer for such purpose as specified pursuant to
Section 2.3, and the Trustee shall authenticate and deliver in exchange for such
temporary Securities of such series an equal aggregate principal amount of
definitive Securities of the same series having authorized denominations and, in
the case of Unregistered Securities, having attached thereto any appropriate
Coupons.  Until so exchanged, the temporary


                                      22

 
Securities of any series shall be entitled to the same benefits under this
Indenture as definitive Securities of such series, unless otherwise established
pursuant to Section 2.3.  The provisions of this Section are subject to any
restrictions or limitations on the issue and delivery of temporary Unregistered
Securities of any series that may be established pursuant to Section 2.3
(including any provision that Unregistered Securities of such series initially
be issued in the form of a single global Unregistered Security to be delivered
to a depositary or agency located outside the United States and the procedures
pursuant to which definitive or global Unregistered Securities of such series
would be issued in exchange for such temporary global Unregistered Security).

                                  ARTICLE III

                            COVENANTS OF THE ISSUER

          SECTION 3.1  PAYMENT OF PRINCIPAL AND INTEREST.  The Issuer covenants
and agrees for the benefit of each series of Securities that it will duly and
punctually pay or cause to be paid the principal of, and interest on, if any,
each of the Securities of such series (together with any additional amounts
payable pursuant to the terms of such Securities) at the place or places, at the
respective time or times and in the manner provided in such Securities and in
the Coupons, if any, appertaining thereto and in this Indenture.  The interest
on Securities with Coupons attached (together with any additional amounts
payable pursuant to the terms of such Securities) shall be payable only upon
presentation and surrender of the several Coupons for such interest installments
as are evidenced thereby as they severally mature.  If any temporary
Unregistered Security provides that interest thereon may be paid while such
Security is in temporary form, the interest on any such temporary Unregistered
Security (together with any additional amounts payable pursuant to the terms of
such Security) shall be paid, as to the installments of interest evidenced by
Coupons attached thereto, if any, only upon presentation and surrender thereof,
and, as to the other installments of interest, if any, only upon presentation of
such Securities for notation thereon of the payment of such interest, in each
case subject to any restrictions that may be established pursuant to Section
2.3.  The interest, if any, on Registered Securities (together with any
additional amounts payable pursuant to the terms of such Securities) shall be
payable only to or upon the written order of the Holders thereof and, at the
option of the Issuer, may be paid by wire transfer or by mailing checks for such
interest payable to or upon the written order of such Holders at their last
addresses as they appear on the Securities register of the Issuer.

          SECTION 3.2  OFFICES FOR PAYMENTS, ETC.  So long as any Registered
Securities are authorized for issuance pursuant to this Indenture or are
outstanding hereunder, the Issuer will maintain in the Borough of Manhattan, The
City of New York, an office or agency where the Registered Securities of each
series may be presented for payment, where the Securities of each series may be
presented for exchange as is provided in this Indenture and, if applicable,
pursuant to Section 2.3 and where the Registered Securities of each series may
be presented for registration of transfer as in this Indenture provided.


                                      23

 
          The Issuer will maintain one or more offices or agencies in a city or
cities located outside the United States (including any city in which such an
agency is required to be maintained under the rules of any stock exchange on
which the Securities of such series are listed) where the Unregistered
Securities, if any, of each series and Coupons, if any, appertaining thereto may
be presented for payment.  No payment on any Unregistered Security or Coupon
will be made upon presentation of such Unregistered Security or Coupon at an
agency of the Issuer within the United States nor will any payment be made by
transfer to an account in, or by mail to an address in, the United States unless
pursuant to applicable United States laws and regulations then in effect such
payment can be made without tax consequences adverse to the Issuer.
Notwithstanding the foregoing, payments in Dollars of Unregistered Securities of
any series and Coupons appertaining thereto which are payable in Dollars may be
made at an agency of the Issuer maintained in the Borough of Manhattan, The City
of New York if such payment in Dollars at each agency maintained by the Issuer
outside the United States for payment on such Unregistered Securities is illegal
or effectively precluded by exchange controls or other similar restrictions.

          The Issuer will maintain in the Borough of Manhattan, The City of New
York, an office or agency where notices and demands to or upon the Issuer in
respect of the Securities of any series, the Coupons appertaining thereto or
this Indenture may be served.

          The Issuer will give to the Trustee written notice of the location of
each such office or agency and of any change of location thereof.  In case the
Issuer shall fail to maintain any agency required by this Section to be located
in the Borough of Manhattan, The City of New York, or shall fail to give such
notice of the location or for any change in the location of any of the above
agencies, presentations and demands may be made and notices may be served at the
Corporate Trust Office of the Trustee.

          The Issuer may from time to time designate one or more additional
offices or agencies where the Securities of a series and any Coupons
appertaining thereto may be presented for payment, where the Securities of that
series may be presented for exchange as provided in this Indenture and pursuant
to Section 2.3 and where the Registered Securities of that series may be
presented for registration of transfer as in this Indenture provided, and the
Issuer may from time to time rescind any such designation, as the Issuer may
deem desirable or expedient; provided, that no such designation or rescission
shall in any manner relieve the Issuer of its obligations to maintain the
agencies provided for in this Section.  The Issuer shall give to the Trustee
prompt written notice of any such designation or rescission thereof.

          SECTION 3.3  APPOINTMENT TO FILL A VACANCY IN OFFICE OF TRUSTEE.  The
Issuer, whenever necessary to avoid or fill a vacancy in the office of Trustee,
will appoint, in the manner provided in Section 6.10, a Trustee, so that there
shall at all times be a Trustee with respect to each series of Securities
hereunder.

          SECTION 3.4  PAYING AGENTS.  Whenever the Issuer shall appoint a
paying agent other than the Trustee with respect to the Securities of any
series, it will cause such paying


                                      24

 
agent to execute and deliver to the Trustee an instrument in which such agent
shall agree with the Trustee, subject to the provisions of this Section,

          (a)  that it will hold all sums received by it as such agent for the
     payment of the principal of or interest on the Securities of such series
     (whether such sums have been paid to it by the Issuer or by any other
     obligor on the Securities of such series) in trust for the benefit of the
     Holders of the Securities of such series, or Coupons appertaining thereto,
     if any, or of the Trustee;

          (b)  that it will give the Trustee notice of any failure by the Issuer
     (or by any other obligor on the Securities of such series) to make any
     payment of the principal of or interest on the Securities of such series
     when the same shall be due and payable; and

          (c)  that it will pay any such sums so held in trust by it to the
     Trustee upon the Trustee's written request at any time during the
     continuance of the failure referred to in the foregoing clause (b).

          The Issuer will, on or prior to each due date of the principal of or
interest on the Securities of such series, deposit with the paying agent a sum
sufficient to pay such principal or interest so becoming due, and (unless such
paying agent is the Trustee) the Issuer will promptly notify the Trustee of any
failure to take such action.

          If the Issuer shall act as its own paying agent with respect to the
Securities of any series, it will, on or before each due date of the principal
of or interest on the Securities of such series, set aside, segregate and hold
in trust for the benefit of the Holders of the Securities of such series or the
Coupons appertaining thereto a sum sufficient to pay such principal or interest
so becoming due.  The Issuer will promptly notify the Trustee of any failure to
take such action.

          Anything in this Section to the contrary notwithstanding, but subject
to Section 10.1, the Issuer may at any time, for the purpose of obtaining a
satisfaction and discharge with respect to one or more or all series of
Securities hereunder, or for any other reason, pay or cause to be paid to the
Trustee all sums held in trust for any such series by the Issuer or any paying
agent hereunder, as required by this Section, such sums to be held by the
Trustee upon the trusts herein contained.

          Anything in this Section to the contrary notwithstanding, the
agreement to hold sums in trust as provided in this Section is subject to the
provisions of Sections 10.3 and 10.4.

          SECTION 3.5  COMPLIANCE CERTIFICATES.  The Issuer will furnish to the
Trustee on or before January 31 in each year (beginning with January 31, 1998) a
brief certificate (which need not comply with Section 11.5) from the principal
executive, financial or accounting officer of the Issuer stating that in the
course of the performance by the signer of his or her duties as an officer of
the Issuer he or she would normally have knowledge of any default or non-
compliance by the Issuer in the performance of any covenants or conditions
contained


                                      25

 
in this Indenture, stating whether or not he or she has knowledge of any such
default or non-compliance and, if so, describing each such default or non-
compliance of which the signer has knowledge and the nature thereof.

          SECTION 3.6  CORPORATE EXISTENCE.  Subject to Article IX, the Issuer
will do or cause to be done all things necessary to preserve and keep in full
force and effect its corporate existence and the rights (charter and statutory),
licenses and franchises of the Issuer and its Subsidiaries; provided, that the
Issuer shall not be required to preserve any such right, license or franchise,
if, in the judgment of the Issuer, the preservation thereof is no longer
desirable in the conduct of the business of the Issuer and its Subsidiaries
taken as a whole and the loss thereof is not disadvantageous in any material
respect to the Securityholders.

          SECTION 3.7    MAINTENANCE OF PROPERTIES. The Issuer will cause all
properties used in or useful in the conduct of its business or the business of
any Subsidiary to be maintained and kept in good condition, repair, and working
order and supplied with all necessary equipment and will cause to be made all
necessary repairs, renewals, replacements, betterments and improvements thereof,
all as in the judgment of the Issuer may be necessary, so that the business
carried on in connection therewith may be properly and advantageously conducted
at all time except to the extent that the Issuer may be prevented from so doing
by circumstances beyond its control; provided, that nothing in this Section
shall prevent the Issuer from discontinuing the operation or maintenance of any
of such properties, or disposing of any of them, if such discontinuance or
disposal is, in the judgment of the Issuer desirable in the conduct of the
business of the Issuer or any Subsidiary and not disadvantageous in any material
respect to the Securityholders.

          SECTION 3.8  PAYMENT OF TAXES AND OTHER CLAIMS.  The Issuer will pay
or discharge or cause to be paid or discharged, before the same shall become
delinquent: (a) all taxes, assessments and governmental charges levied or
imposed upon the Issuer or any Subsidiary or upon the income, profits or
property of the Issuer or any Subsidiary; and (b) all lawful claims for labor,
materials, and supplies, which, if unpaid, might by law become a lien upon the
property of the Issuer or any Subsidiary; provided, that the Issuer shall not be
required to pay or discharge or cause to be paid or discharged any such tax,
assessment, charge or claim whose amount, applicability or validity is being
contested in good faith by appropriate proceedings; and provided further that
the Issuer shall not be required to cause to be paid or discharged any such tax,
assessment, charge or claim if the Issuer shall determine that such payment is
not advantageous to the conduct of the business of the Issuer and its
Subsidiaries taken as a whole and that the failure so to pay or discharge is not
disadvantageous in any material respect to the Securityholders.

          SECTION 3.9  LUXEMBOURG PUBLICATIONS.  In the event of the publication
of any notice pursuant to Section 5.11, 6.10(a), 6.11, 8.2, 10.4 or 12.2, the
party making such publication in the Borough of Manhattan, The City of New York
and London shall also, to the extent that notice is required to be given to
Holders of Securities of any series by


                                      26

 
applicable Luxembourg law or stock exchange regulation, as evidenced by an
Officer's Certificate delivered to such party, make a similar publication in
Luxembourg.

                                  ARTICLE IV

                    SECURITYHOLDER LISTS AND REPORTS BY THE
                            ISSUER AND THE TRUSTEE

          SECTION 4.1  ISSUER TO FURNISH TRUSTEE INFORMATION AS TO NAMES AND
ADDRESSES OF SECURITYHOLDERS.  If and so long as the Trustee shall not be the
Security registrar for the Securities of any series, the Issuer and any other
obligor on the Securities will furnish or cause to be furnished to the Trustee a
list in such form as the Trustee may reasonably require of the names and
addresses of the Holders of the Registered Securities of such series pursuant to
Section 312 of the Trust Indenture Act:

          (a) semi-annually not more than 5 days after each record date for the
     payment of interest on such Registered Securities, as hereinabove
     specified, as of such record date and on dates to be determined pursuant to
     Section 2.3 for non-interest bearing Registered Securities in each year;
     and

          (b) at such other times as the Trustee may reasonably request in
     writing, within thirty days after receipt by the Issuer of any such request
     as of a date not more than 15 days prior to the time such information is
     furnished.

          SECTION 4.2  REPORTS BY THE ISSUER.  The Issuer covenants to file with
the Trustee, within 15 days after the Issuer is required to file the same with
the Commission, copies of the annual reports and of the information, documents,
and other reports that the Issuer may be required to file with the Commission
pursuant to Section 13 or Section 15(d) of the Exchange Act or pursuant to
Section 314 of the Trust Indenture Act.

          SECTION 4.3  REPORTS BY THE TRUSTEE.

          (a)  On or before the first July 15 which occurs not less than 60 days
     after the earliest date of issuance of any Securities and on or before July
     15 in each year thereafter, so long as any Securities are Outstanding
     hereunder, the Trustee shall transmit by mail as provided below to the
     Securityholders of each series of outstanding Securities, as hereinafter in
     this Section provided, a brief report dated as of the preceding May 15 with
     respect to:

               (i)  its eligibility under Section 6.10 and its qualification
          under Section 6.9, or in lieu thereof, if to the best of its knowledge
          it has continued to be eligible and qualified under such Sections, a
          written statement to such effect;


                                      27

 
               (ii)  the character and amount of any advances (and if the
          Trustee elects to so state, the circumstances surrounding the making
          thereof) made by the Trustee (as such) which remain unpaid on the date
          of such report and for the reimbursement of which it claims or may
          claim a lien or charge, prior to that of the Securities of such
          series, on any property or funds held or collected by it as Trustee,
          except that the Trustee shall not be required (but may elect) to
          report such advances if such advances so remaining unpaid aggregate
          not more than 0.5% of the principal of the Securities of such series
          outstanding on the date of such report;

               (iii)  the amount, interest rate and maturity date of all other
          indebtedness owing by the Issuer (or any other obligor on the
          Securities of such series) to the Trustee in its individual capacity
          on the date of such report, with a brief description of any property
          held as collateral security therefor, except any indebtedness based
          upon a creditor relationship;

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

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

               (vi)  any action taken by the Trustee in the performance of its
          duties under this Indenture which the Trustee has not previously
          reported and which in the Trustee's opinion materially affects the
          Securities of such series, except action in respect of a default,
          notice of which has been or is to be withheld by it in accordance with
          the provisions of Section 5.11.

          (b)  The Trustee shall transmit to the Securityholders of each series,
     as provided in subsection (c) of this Section, a brief report with respect
     to the character and amount of any advances (and if the Trustee elects so
     to state, the circumstances surrounding the making thereof) made by the
     Trustee (as such) in respect of the Securities of such series since the
     date of the last report transmitted pursuant to the provisions of
     subsection (a) of this Section (or if no such report has yet been so
     transmitted, since the date of this Indenture) for the reimbursement of
     which it claims or may claim a lien or charge prior to that of the
     Securities of such series on property or funds held or collected by it as
     Trustee and which it has not previously reported pursuant to this
     subsection (b), except that the Trustee shall not be required (but may
     elect) to report such advances if such advances remaining unpaid at any
     time aggregate 10% or less of the principal amount of Securities of such
     series outstanding at such time, such report to be transmitted within 90
     days after such time.


                                      28

 
          (c)  Reports pursuant to this Section shall be transmitted by mail to
     all Holders of Securities of such series, as the names and addresses of
     such Holders appear upon the Securities register as of a date not more than
     15 days prior to the mailing thereof.

          (d)  A copy of each such report shall, at the time of such
     transmission to Securityholders, be furnished to the Issuer and be filed by
     the Trustee with each stock exchange upon which the Securities of such
     series are listed and also with the Commission.  The Issuer agrees to
     notify the Trustee when and as Securities of any series become listed on
     any national securities exchange.

                                   ARTICLE V

                  REMEDIES OF THE TRUSTEE AND SECURITYHOLDERS
                              ON EVENT OF DEFAULT

          SECTION 5.1  EVENT OF DEFAULT DEFINED, ACCELERATION OF MATURITY;
WAIVER OF DEFAULT.   "Event of Default" with respect to Securities of any
series, wherever used herein, means each one of the following events which shall
have occurred and be continuing (whatever the reason for such Event of Default
and whether it shall be voluntary or involuntary or be effected by operation of
law or pursuant to any judgment, decree or order of any court or any order, rule
or regulation of any administrative or governmental body):

          (a)  default in the payment of any installment of interest upon any of
     the Securities of such series as and when the same shall become due and
     payable, and continuance of such default for a period of 30 days; or

          (b)  default in the payment of all or any part of the principal on any
     of the Securities of such series as and when the same shall become due and
     payable either at maturity, upon any redemption, by declaration or
     otherwise; or

          (c)  default in the payment of any sinking fund installment as and
     when the same shall become due and payable by the terms of the Securities
     of such series; or

          (d)  failure on the part of the Issuer duly to observe or perform any
     other of the covenants or agreements on the part of the Issuer in the
     Securities of such series or contained in this Indenture (other than a
     covenant or agreement included in this Indenture solely for the benefit of
     a series of Securities other than such series) for a period of 60 days
     after the date on which written notice specifying such failure, stating
     that such notice is a "Notice of Default" hereunder and demanding that the
     Issuer remedy the same, shall have been given by registered or certified
     mail, return receipt requested, to the Issuer by the Trustee, or to the
     Issuer and the Trustee by the holders of at least 25% in aggregate
     principal amount of the Outstanding Securities of the series to which such
     covenant or agreement relates; or


                                      29

 
          (e)  a court having jurisdiction in the premises shall enter a decree
     or order for relief in respect of the Issuer in an involuntary case under
     any applicable bankruptcy, insolvency or other similar law now or hereafter
     in effect, or appointing a receiver, liquidator, assignee, custodian,
     trustee, sequestrator (or similar official) of the Issuer for any
     substantial part of its or their property or ordering the winding up or
     liquidation of its or their affairs, and such decree or order shall remain
     unstayed and in effect for a period of 60 consecutive days; or

          (f)  the Issuer shall commence a voluntary case under any applicable
     bankruptcy, insolvency or other similar law now or hereafter in effect, or
     consent to the entry of an order for relief in an involuntary case under
     any such law, or consent to the appointment or taking possession by a
     receiver, liquidator, assignee, custodian, trustee, sequestrator (or
     similar official) of the Issuer or for any substantial part of its or their
     property, or make any general assignment for the benefit of creditors; or

          (g)  any other Event of Default provided in the supplemental indenture
     or Board Resolution under which such series of Securities is issued or in
     the form of Security for such series.

          If an Event of Default described in clause (a), (b), (c), (d) or (g)
(if the Event of Default under clause (d) or (g), as the case may be, is with
respect to less than all series of Securities then Outstanding) occurs and is
continuing, then, and in each and every such case, except for any series of
Securities the principal of which shall have already become due and payable,
either the Trustee or the Holders of not less than 25% in aggregate principal
amount of the Securities of each such affected series then Outstanding hereunder
(each such series voting as a separate class) by notice in writing to the Issuer
(and to the Trustee if given by Securityholders), may declare the entire
principal (or, if the Securities of any such affected series are Original Issue
Discount Securities, such portion of the principal amount as may be specified in
the terms of such series) of all Securities of all such affected series, and the
interest accrued thereon, if any, to be due and payable immediately, and upon
any such declaration, the same shall become immediately due and payable.

          If an Event of Default described in clause (d) or (g) above with
respect to all series of Securities then Outstanding, or an Event of Default
described in clause (e) or (f) above occurs and is continuing, then, and in each
and every such case, unless the Principal of all of the Securities shall have
already become due and payable, either the Trustee or the Holders of not less
than 25% in aggregate principal amount of all of the Securities then Outstanding
hereunder (treated as one class) by notice in writing to the Issuer (and to the
Trustee if given by Securityholders), may declare the entire principal (or, if
the Securities of any series are Original Issue Discount Securities, such
portion of the principal amount as may be specified in the terms of such series)
of all of the Securities then Outstanding, and the interest accrued thereon, if
any, to be due and payable immediately, and upon such declaration, the same
shall become immediately due and payable.


                                      30

 
          The foregoing provisions are subject to the condition that if, at
any time after the principal (or, if the Securities are Original Issue Discount
Securities, such portion of the principal as may be specified in the terms
thereof) of the Securities of any series (or of all the Securities, as the case
may be) shall have been so declared due and payable, and before any judgment or
decree for the payment of the moneys due shall have been obtained or entered as
hereinafter provided,

          (A)  the Issuer shall pay or shall deposit with the Trustee a sum
     sufficient to pay

               (i)  all matured installments of interest upon all the Securities
          of each such series (or all the Securities, as the case may be); and

               (ii)  the principal of any and all Securities of each such series
          (or of all the Securities, as the case may be) which shall have become
          due otherwise than by acceleration; and

               (iii)  interest upon such principal and, to the extent that
          payment of such interest is enforceable under applicable law, on
          overdue installments of interest, at the same rate as the rate of
          interest or Yield to Maturity (in the case of Original Issue Discount
          Securities) specified in the Securities of each such series (or at the
          respective rates of interest or Yields to Maturity of all the
          Securities, as the case may be) to the date of such payment or
          deposit; and

               (iv)  all amounts payable to the Trustee pursuant to Section 6.6;
          and

          (B)  all Events of Default under the Indenture, other than the non-
     payment of the principal of Securities which shall have become due by
     acceleration, shall have been cured, waived or otherwise remedied as
     provided herein,

then and in every such case the Holders of a majority in aggregate principal
amount of all the Securities of each such series, each such series voting as a
separate class (or of all the Securities, as the case may be, voting as a single
class), then Outstanding, by written notice to the Issuer and to the Trustee,
may waive all defaults with respect to each such series (or with respect to all
the Securities, as the case may be) and rescind and annul such declaration and
its consequences, but no such waiver or rescission and annulment shall extend to
or shall affect any subsequent default or shall impair any right consequent
thereon.

          For all purposes under this Indenture, if a portion of the principal
of any Original Issue Discount Securities shall have been accelerated and
declared due and payable pursuant to the provisions hereof, then, from and after
such declaration, unless such declaration has been rescinded and annulled, the
principal amount of such Original Issue Discount Securities shall be deemed, for
all purposes hereunder, to be such portion of the principal thereof as shall be
due and payable as a result of such acceleration, and payment of such portion of
the principal thereof as shall be due and payable as a result of such
acceleration, together with interest, if any,

                                       31

 
thereon and all other amounts owing thereunder, shall constitute payment in full
of such Original Issue Discount Securities.

          SECTION 5.2  COLLECTION OF INDEBTEDNESS BY TRUSTEE; TRUSTEE MAY PROVE
DEBT.  The Issuer covenants that (a) in case default shall be made in the
payment of any installment of interest on any of the Securities of any series
when such interest shall have become due and payable, and such default shall
have continued for a period of 30 days, or (b) in case default shall be made in
the payment of all or any part of the principal of any of the Securities of any
series when the same shall have become due and payable, whether upon maturity of
the Securities of such series or upon any redemption or by declaration or
otherwise, then upon demand of the Trustee, the Issuer will pay to the Trustee
for the benefit of the Holders of the Securities of such series the whole amount
that then shall have become due and payable on all Securities of such series,
and such Coupons, for principal and interest, as the case may be (with interest
to the date of such payment upon the overdue principal and, to the extent that
payment of such interest is enforceable under applicable law, on overdue
installments of interest at the same rate as the rate of interest or Yield to
Maturity (in the case of Original Issue Discount Securities) specified in the
Securities of such series); and in addition thereto, such further amount as
shall be sufficient to cover the costs and expenses of collection, and such
other amount due the Trustee under Section 6.6 in respect of Securities of such
series.

          Until such demand is made by the Trustee, the Issuer may pay the
principal of and interest on the Securities of any series to the registered
Holders, whether or not the Securities of such series be overdue.

          In case the Issuer shall fail forthwith to pay such amounts upon such
demand, the Trustee, in its own name as trustee of an express trust, shall be
entitled and empowered to institute any action or proceedings at law or in
equity for the collection of the sums so due and unpaid, and may prosecute any
such action or proceedings to judgment or final decree, and may enforce any such
judgment or final decree against the Issuer or other obligor upon the Securities
and collect in the manner provided by law out of the property of the Issuer or
other obligor upon the Securities, wherever situated, all the moneys adjudged or
decreed to be payable.

          In case there shall be pending proceedings relative to the Issuer or
any other obligor upon the Securities under Title 11 of the United States Code
or any other applicable Federal or state bankruptcy, insolvency or other similar
law, or in case a receiver, assignee or trustee in bankruptcy or reorganization,
liquidator, sequestrator or similar official shall have been appointed for or
taken possession of the Issuer or its property or such other obligor, or in case
of any other comparable judicial proceedings relative to the Issuer or other
obligor upon the Securities, or to the creditors or property of the Issuer or
such other obligor, the Trustee, irrespective of whether the principal of the
Securities shall then be due and payable as therein expressed or by declaration
or otherwise and irrespective of whether the Trustee shall have made any demand
pursuant to the provisions of this Section, shall be entitled and empowered, by
intervention in such proceedings or otherwise:

                                       32

 
          (a)  to file and prove a claim or claims for the whole amount of
     principal and interest (or, if the Securities of any series are Original
     Issue Discount Securities, such portion of the principal amount as may be
     specified in the terms of such series) owing and unpaid in respect of the
     Securities of any series, and to file such other papers or documents as may
     be necessary or advisable in order to have the claims of the Trustee
     (including any claim for amounts payable to the Trustee under Section 6.6)
     and of the Securityholders allowed in any judicial proceedings relative to
     the Issuer or other obligor upon the Securities, or to the creditors or
     property of the Issuer or such other obligor; and

          (b)  unless prohibited by applicable law and regulations, to vote on
     behalf of the holders of the Securities of any series in any election of a
     receiver, assignee, trustee or a standby trustee in arrangement,
     reorganization, liquidation or other bankruptcy or insolvency proceedings,
     custodian or other person performing similar functions in respect of any
     such proceedings; and

          (c)  to collect and receive any moneys or other property payable or
     deliverable on any such claims, and to distribute all amounts received with
     respect to the claims of the Securityholders and of the Trustee on their
     behalf; and any trustee, receiver, or liquidator, custodian or other
     similar official performing similar functions in respect of any such
     proceedings is hereby authorized by each of the Securityholders to make
     payments to the Trustee, and, in the event that the Trustee shall consent
     to the making of payments directly to the Securityholders, to pay to the
     Trustee its costs and expenses of collection and all other amounts due to
     it pursuant to Section 6.6.

          Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or vote for or accept or adopt on behalf of any
Securityholder any plan of reorganization, arrangement, adjustment or
composition affecting the Securities of any series or the rights of any Holder
thereof, or to authorize the Trustee to vote in respect of the claim of any
Securityholder in any such proceeding, except as aforesaid in clause (b).

          All rights of action and of asserting claims under this Indenture, or
under any of the Securities of any series or Coupons appertaining to such
Securities, may be enforced by the Trustee without the possession of any of the
Securities of such series or Coupons appertaining to such Securities or the
production thereof in any trial or other proceedings relative thereto, and any
such action or proceedings instituted by the Trustee shall be brought in its own
name as trustee of an express trust, and any recovery of judgment shall awarded
to the Trustee for ratable distribution to the Holders of the Securities or
Coupons appertaining to such Securities in respect of which such action was
taken, after payment of all sums due to the Trustee under Section 6.6 in respect
of such Securities.

          In any proceedings brought by the Trustee (and also any proceedings
involving the interpretation of any provision of this Indenture to which the
Trustee shall be a party) the Trustee shall be held to represent all the Holders
of the Securities or Coupons appertaining to

                                       33

 
such Securities in respect to which such action was taken, and it shall not be
necessary to make any Holders of such Securities or Coupons appertaining to such
Securities parties to any such proceedings.

          SECTION 5.3  APPLICATION OF PROCEEDS.  Any moneys collected by the
Trustee pursuant to this Article in respect of any series shall be applied in
the following order at the date or dates fixed by the Trustee and, in case of
the distribution of such moneys on account of principal or interest, upon
presentation of the several Securities and Coupons appertaining to such
Securities in respect of which monies have been collected and stamping (or
otherwise noting) thereon the payment, or issuing Securities of such series in
reduced principal amounts in exchange for the presented Securities of like
series if only partially paid, or upon surrender thereof if fully paid:

          FIRST:  To the payment of costs and expenses applicable to such series
     of Securities in respect of which monies have been collected, including all
     amounts due to the Trustee and each predecessor Trustee pursuant to Section
     6.6 in respect to such series of Securities;

          SECOND:  In case the principal of the Securities of such series in
     respect of which moneys have been collected shall not have become and be
     then due and payable, to the payment of interest on the Securities of such
     series in default in the order of the maturity of the installments on such
     interest, with interest (to the extent that such interest has been
     collected by the Trustee and is permitted by applicable law) upon the
     overdue installments of interest at the same rate as the rate of interest
     or Yield to Maturity (in the case of Original Issue Discount Securities)
     specified in such Securities, such payments to be made ratably to the
     persons entitled thereto, without discrimination or preference;

          THIRD:  In case the principal of the Securities of such series in
     respect of which moneys have been collected shall have become and shall be
     then due and payable, to the payment of the whole amount then owing and
     unpaid upon all the Securities of such series for principal and interest,
     with interest upon the overdue principal, and (to the extent that such
     interest has been collected by the Trustee and is permitted by applicable
     law) upon the overdue installations of interest at the same rate as the
     rate of interest or Yield to Maturity (in the case of Original Issue
     Discount Securities) specified in the Securities of such series; and in
     case such moneys shall be insufficient to pay in full the whole amount so
     due and unpaid upon the Securities of such series, then to the payment of
     such principal and interest or Yield to Maturity, without preference or
     priority of principal over interest or Yield to Maturity, or of interest or
     Yield to Maturity over principal, or of any installment of interest over
     any other installment of interest or of any Security of such series over
     any other Security of such series, ratably to the aggregate of such
     principal and accrued and unpaid interest or Yield to Maturity; and

                                       34

 
          FOURTH:  To the payment of the remainder, if any, to the Issuer or any
     other person lawfully entitled thereto.

          SECTION 5.4  SUITS FOR ENFORCEMENT.  In case an Event of Default has
occurred, has not been waived and is continuing, the Trustee may in its
discretion proceed to protect and enforce the rights vested in it by this
Indenture by such appropriate judicial proceedings as the Trustee shall deem
most effectual to protect and enforce any of such rights, either at law or in
equity or in bankruptcy or otherwise, whether for the specific enforcement of
any covenant or agreement contained in this Indenture or in aid of the exercise
of any power granted in this Indenture or to enforce any other legal or
equitable right vested in the Trustee by this Indenture or by law.

          SECTION 5.5  RESTORATION OF RIGHTS ON ABANDONMENT OF PROCEEDINGS.  In
case the Trustee shall have proceeded to enforce any right under this Indenture
and such proceedings shall have been discontinued or abandoned for any reason,
or shall have been determined adversely to the Trustee, then and in every such
case the Issuer and the Trustee shall be restored respectively to their former
positions and rights hereunder, and all rights, remedies and powers of the
Issuer, the Trustee and the Securityholders shall continue as though no such
proceedings had been taken.

          SECTION 5.6  LIMITATIONS ON SUITS BY SECURITY HOLDERS.  No Holder of
any Security of any series or of any Coupon appertaining thereto shall have any
right by virtue or by availing of any provision of this Indenture to institute
any action or proceeding at law or in equity or in bankruptcy or otherwise upon
or under or with respect to this Indenture or such Security, or for the
appointment of a trustee, receiver, liquidator, custodian or other similar
official or for any other remedy hereunder or thereunder, unless (a) such Holder
previously shall have given to the Trustee written notice of an Event of Default
with respect to Securities of such series and of the continuance thereof, as
hereinbefore provided, and (b) the Holders of not less than 25% in aggregate
principal amount of the Securities of such affected series then Outstanding
(treated as a single class) shall have made written request upon the Trustee to
institute such action or proceedings in its own name as Trustee hereunder and
shall have offered to the Trustee such reasonable indemnity as it may require
against the costs, expenses and liabilities to be incurred therein or thereby,
and (c) the Trustee for 60 days after its receipt of such notice, request and
offer of indemnity shall have failed to institute any such action or proceeding,
and (d) no direction inconsistent with such written request shall have been
given to the Trustee pursuant to Section 5.9; it being understood and intended,
and being expressly covenanted by the taker and Holder of every Security or
Coupon with every other taker and Holder and the Trustee, that no one or more
Holders of Securities of any series or Coupons appertaining to such Securities
shall have any right in any manner whatever by virtue or by availing of any
provision of this Indenture or any Security to affect, disturb or prejudice the
rights of any other such taker or Holder of Securities or Coupons appertaining
to such Securities, or to obtain or seek to obtain priority over or preference
to any other such taker or Holder or to enforce any right under this Indenture
or any Security, except in the manner herein provided and for the equal, ratable
and common benefit of all Holders of Securities of the appli-

                                       35

 
cable series and Coupons appertaining to such Securities.  For the protection
and enforcement of the provisions of this Section, each and every Securityholder
and the Trustee shall be entitled to such relief as can be given either at law
or in equity.

          SECTION 5.7  UNCONDITIONAL RIGHT OF SECURITYHOLDERS TO INSTITUTE
CERTAIN SUITS.  Notwithstanding any other provision in this Indenture and any
provision of any Security, the right of any Holder of any Security or Coupon to
receive payment of the principal of and interest on such Security or Coupon on
or after the respective due dates expressed in such Security or Coupon or the
applicable redemption dates provided for in such Security, or to institute suit
for the enforcement of any such payment on or after such respective dates, shall
not be impaired or affected without the consent of such Holder.

          SECTION 5.8  POWERS AND REMEDIES CUMULATIVE; DELAY OR OMISSION NOT
WAIVER OF DEFAULT.  Except as provided in Section 5.6, no right or remedy herein
conferred upon or reserved to the Trustee or to the Holders of Securities or
Coupons is intended to be exclusive of any other right or remedy and every right
and remedy shall, to the extent permitted by law, be cumulative and in addition
to every other right and remedy given hereunder or now or hereafter existing at
law or in equity or otherwise.  The assertion or employment of any right or
remedy hereunder, or otherwise, shall not prevent the concurrent assertion or
employment of any other appropriate right or remedy.

          No delay or omission of the Trustee or of any Holder of Securities or
Coupons to exercise any right or power accruing upon any Event of Default
occurring and continuing as aforesaid shall impair any such right or power or
shall be construed to be a waiver of any such Event of Default or an
acquiescence therein.  Every power and remedy given by this Indenture, any
Security or law to the Trustee or to the Holders of Securities or Coupons may be
exercised from time to time, and as often as shall be deemed expedient, by the
Trustee or, subject to Section 5.6, by the Holders of Securities or Coupons.

          SECTION 5.9  CONTROL BY HOLDERS OF SECURITIES.  The Holders of a
majority in aggregate principal amount of the Securities of each series affected
(with each such series voting as a separate class) at the time Outstanding shall
have the right to direct the time, method, and place of conducting any
proceeding for any remedy available to the Trustee, or exercising any trust or
power conferred on the Trustee with respect to the Securities of such series by
this Indenture; provided, that such direction shall not be otherwise than in
accordance with law and the provisions of this Indenture and provided, further,
that (subject to the provisions of Section 6.1) the Trustee shall have the right
to decline to follow any such direction if (a) the Trustee, being advised by
counsel, shall determine that the action or proceeding so directed may not
lawfully be taken; or (b) if the Trustee by its board of directors, the
executive committee, or a trust committee of directors or Responsible Officers
of the Trustee shall determine in good faith that the action or proceedings so
directed would involve the Trustee in personal liability; or (c) if the Trustee
in good faith shall so determine that the actions or forbearances specified in
or pursuant to such direction would be unduly prejudicial to the interests of
Holders of the Securities of all affected series not joining in the giving of
said

                                       36

 
direction, it being understood that (subject to Section 6.1) the Trustee shall
have no duty to ascertain whether or not such actions or forbearances are unduly
prejudicial to such Holders.

          Nothing in this Indenture shall impair the right of the Trustee in its
discretion to take any action deemed proper by the Trustee and which is not
inconsistent with such direction or directions by Securityholders.

          SECTION 5.10  WAIVER OF PAST DEFAULTS.  Prior to the declaration of
acceleration of the maturity of any Securities as provided in Section 5.1, the
Holders of a majority in aggregate principal amount of the Securities of such
series (each series voting as a separate class) at the time Outstanding with
respect to which an Event of Default shall have occurred and be continuing
(voting as a single class) may on behalf of the Holders of all such Securities
waive any past default or Event of Default described in Section 5.1 and its
consequences, except a default in respect of a covenant or provision hereof
which cannot be modified or amended without the consent of the Holder of each
Security affected.  In the case of any such waiver, the Issuer, the Trustee and
the Holders of all such Securities shall be restored to their former positions
and rights hereunder, respectively, and such default shall cease to exist and be
deemed to have been cured and not to have occurred for purposes of this
Indenture; but no such waiver shall extend to any subsequent or other default or
impair any right consequent thereon.

          SECTION 5.11  TRUSTEE TO GIVE NOTICE OF DEFAULT, BUT MAY WITHHOLD IN
CERTAIN CIRCUMSTANCES.  The Trustee shall, within ninety days after the
occurrence of a default with respect to the Securities of any series, give
notice of all defaults with respect to that series known to the Trustee (i) if
any Unregistered Securities of that series are then Outstanding, to the Holders
thereof, by publication at least once in an Authorized Newspaper in the Borough
of Manhattan, The City of New York and at least once in an Authorized Newspaper
in London (and, if required by Section 3.9, at least once in an Authorized
Newspaper in Luxembourg) and (ii) to all Holders of Securities of such series in
the manner and to the extent provided in Section 313(c) of the Trust Indenture
Act, unless in each case such defaults shall have been cured before the mailing
or publication of such notice (the term "default" for the purpose of this
Section being hereby defined to mean any event or condition which is, or with
notice or lapse of time or both would become, an Event of Default); provided,
that, except in the case of default in the payment of the principal of or
interest on any of the Securities of such series, or in the payment of any
sinking fund installment on such series, the Trustee shall be protected in
withholding such notice if and so long as the board of directors, the executive
committee, or a trust committee of directors or trustees and/or Responsible
Officers of the Trustee in good faith determines that the withholding of such
notice is in the interests of the Securityholders of such series.

          SECTION 5.12  RIGHT OF COURT TO REQUIRE FILING OF UNDERTAKING TO PAY
COSTS.  All parties to this Indenture agree, and each Holder of any Security or
Coupon by his acceptance thereof shall be deemed to have agreed, that any court
may in its discretion require, in any suit for the enforcement of any right or
remedy under this Indenture or in any suit against the Trustee for any action
taken, suffered or omitted by it as

                                       37

 
Trustee, the filing by any party litigant in such suit of an undertaking to pay
the costs of such suit, and that such court may in its discretion assess
reasonable costs, including reasonable attorneys' fees, against any party
litigant in such suit, having due regard to the merits and good faith of the
claims or defenses made by such party litigant; but the provisions of this
Section shall not apply to any suit instituted by the Trustee, to any suit
instituted by any Securityholder or group of Securityholders of any series
holding in the aggregate more than 10% in aggregate principal amount of the
Securities of such series, or, in the case of any suit relating to or arising
under clause (d) or (g) of Section 5.1 (if the suit relates to Securities of
more than one but less than all series), 10% in aggregate principal amount of
Securities then Outstanding and affected thereby, or in the case of any suit
relating to or arising under clause (d) or (g) (if the suit under clause (d) or
(g) relates to all the Securities then Outstanding), (e) or (f) of Section 5.1,
10% in aggregate principal amount of all Securities then Outstanding, or to any
suit instituted by any Securityholder for the enforcement of the payment of the
principal of or interest on any Security on or after the due date expressed in
such Security or any date fixed for redemption.

                                   ARTICLE VI

                             CONCERNING THE TRUSTEE

          SECTION 6.1  DUTIES AND RESPONSIBILITIES OF THE TRUSTEE; DURING
DEFAULT; PRIOR TO DEFAULT.  Prior to the occurrence of an Event of Default with
respect to the Securities of a particular series and after the curing or waiving
of all Events of Default which may have occurred with respect to such series,
the Trustee undertakes to perform such duties and only such duties as are
specifically set forth in this Indenture with respect to such series of
Securities.  In case an Event of Default with respect to the Securities of a
series has occurred and has not been cured or waived, the Trustee shall exercise
with respect to such series of Securities such of the rights and powers vested
in it by this Indenture with respect to such series of Securities, and use the
same degree of care and skill in their exercise, as a prudent man would exercise
or use under the circumstances in the conduct of his own affairs.

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

          (a)  prior to the occurrence of an Event of Default with respect to
     the Securities of any series and after the curing or waiving of all such
     Events of Default with respect to such series which may have occurred:

               (i)  the duties and obligations of the Trustee with respect to
          the Securities of any series shall be determined solely by the express
          provisions of this Indenture, and the Trustee shall not be liable
          except for the performance of such duties and obligations as are
          specifically set forth in this Indenture, and no

                                       38

 
          implied covenants or obligations shall be read into this Indenture
          against the Trustee; and

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

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

          (c)  the Trustee shall not be liable with respect to any action taken
     or omitted to be taken by it in good faith in accordance with the direction
     of the Holders pursuant to Section 5.9 relating to the time, method and
     place of conducting any proceeding for any remedy available to the Trustee,
     or exercising any trust or power conferred upon the Trustee, under this
     Indenture.

          None of the provisions contained in this Indenture shall require the
Trustee to expend or risk its own funds or otherwise incur personal financial
liability in the performance of any of its duties or in the exercise of any of
its rights or powers, if there shall be reasonable ground for believing that the
repayment of such funds or adequate indemnity against such liability is not
reasonably assured to it.

          The provisions of this Section 6.1 are in furtherance of and subject
to Section 315 of the Trust Indenture Act.

          SECTION 6.2  CERTAIN RIGHTS OF THE TRUSTEE.  In furtherance of and
subject to the Trust Indenture Act, and subject to Section 6.1:

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

          (b)  any request, direction, order or demand of the Issuer mentioned
     herein shall be sufficiently evidenced by an Officer's Certificate (unless
     other evidence in respect thereof is specifically prescribed herein or in
     the terms established in respect of any

                                       39

 
     series); and any resolution of the Board of Directors may be evidenced to
     the Trustee by a copy thereof certified by the secretary or an assistant
     secretary of the Issuer;

          (c)  the Trustee may consult with counsel and any written advice or
     any Opinion of Counsel shall be full and complete authorization and
     protection in respect of any action taken, suffered or omitted to be taken
     by it hereunder in good faith and in reliance thereon in accordance with
     such advice or Opinion of Counsel;

          (d)  the Trustee shall be under no obligation to exercise any of the
     trusts or powers vested in it by this Indenture at the request, order or
     direction of any of the Securityholders pursuant to the provisions of this
     Indenture, unless such Securityholders shall have offered to the Trustee
     reasonable security or indemnity against the costs, expenses and
     liabilities which might be incurred therein or thereby;

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

          (f)  prior to the occurrence of an Event of Default hereunder and
     after the curing or waiving of all Events of Default, the Trustee shall not
     be bound to make any investigation into the facts or matters stated in any
     resolution, certificate, statement, instrument, opinion, report, notice,
     request, consent, order, approval, appraisal, bond, debenture, note,
     coupon, security, or other paper or document unless requested in writing so
     to do by the Holders of not less than a majority in aggregate principal
     amount of the Securities of all series affected then Outstanding; provided,
     that, if the payment within a reasonable time to the Trustee of the costs,
     expenses or liabilities likely to be incurred by it in the making of such
     investigation is, in the opinion of the Trustee, not reasonably assured to
     the Trustee by the security afforded to it by the terms of this Indenture,
     the Trustee may require reasonable indemnity against such expenses or
     liabilities as a condition to proceeding; the reasonable expenses of every
     such investigation shall be paid by the Issuer or, if paid by the Trustee
     or any predecessor trustee, shall be repaid by the Issuer upon demand; and

          (g)  the Trustee may execute any of the trusts or powers hereunder or
     perform any duties hereunder either directly or by or through agents or
     attorneys not regularly in its employ and the Trustee shall not be
     responsible for any misconduct or negligence on the part of any such agent
     or attorney appointed with due care by it hereunder.

          SECTION 6.3  TRUSTEE NOT RESPONSIBLE FOR RECITALS, DISPOSITION OF
SECURITIES OR APPLICATION OF PROCEEDS THEREOF.  The recitals contained herein
and in the Securities, except the Trustee's certificates of authentication,
shall be taken as the statements of the Issuer, and the Trustee assumes no
responsibility for the correctness of the same.  The Trustee makes no
representation as to the validity or sufficiency

                                       40

 
of this Indenture or of the Securities or Coupons.  The Trustee shall not be
accountable for the use or application by the Issuer of any of the Securities or
of the proceeds thereof.

          SECTION 6.4  TRUSTEE AND AGENTS MAY HOLD SECURITIES OR COUPONS;
COLLECTIONS, ETC.  The Trustee or any agent of the Issuer or of the Trustee, in
its individual or any other capacity, may become the owner or pledgee of
Securities or Coupons with the same rights it would have if it were not the
Trustee or such agent and may otherwise deal with the Issuer and receive,
collect, hold and retain collections from the Issuer with the same rights it
would have if it were not the Trustee or such agent.

          SECTION 6.5  MONEYS HELD BY TRUSTEE.  Subject to the provisions of
Section 10.4 hereof, all moneys received by the Trustee shall, until used or
applied as herein provided, be held in trust for the purposes for which they
were received, but need not be segregated from other funds except to the extent
required by mandatory provisions of law.  Neither the Trustee nor any agent of
the Issuer or the Trustee shall be under any liability for interest on any
moneys received by it hereunder.

          SECTION 6.6  COMPENSATION AND INDEMNIFICATION OF TRUSTEE AND ITS PRIOR
CLAIM.  The Issuer covenants and agrees to pay to the Trustee from time to time,
and the Trustee shall be entitled to reasonable compensation (which shall not be
limited by any provision of law in regard to the compensation of a trustee of an
express trust) and the Issuer covenants and agrees to pay or reimburse the
Trustee and each predecessor trustee upon its request for all reasonable
expense, disbursements and advances incurred or made by or on behalf of it in
accordance with any of the provisions of this Indenture (including the
reasonable compensation and the expenses and disbursements of its counsel and of
all agents and other persons not regularly in its employ) except any such
expense, disbursement or advance as may arise from its negligence or bad faith.
The Issuer also covenants to indemnify the Trustee and each predecessor trustee
for, and to hold it harmless against, any loss, liability or expense incurred
without negligence or bad faith on its part, arising out of or in connection
with the acceptance or administration of this Indenture or the trusts hereunder
and its duties hereunder, including the costs and expenses of defending itself
against or investigating any claim of liability in the premises.  The
obligations of the Issuer under this Section to compensate and indemnify the
Trustee and each predecessor trustee and to pay or reimburse the Trustee and
each predecessor trustee for expenses, disbursements and advances shall
constitute additional indebtedness hereunder and shall survive the satisfaction
and discharge of this Indenture.  Such additional indebtedness shall be a senior
claim to that of the Securities upon all property and funds held or collected by
the Trustee as such, except funds held in trust for the benefit of the Holders
of particular Securities or Coupons, and the Securities are hereby subordinated
to such senior claim.

          SECTION 6.7  RIGHT OF TRUSTEE TO RELY ON OFFICER'S CERTIFICATE, ETC.
Subject to Sections 6.1 and 6.2, whenever in the administration of the trusts of
this Indenture the Trustee shall deem it necessary or desirable that a matter be
proved or established prior to taking or suffering or omitting any action
hereunder, such matter (unless

                                       41

 
other evidence in respect thereof be herein specifically prescribed) may, in the
absence of negligence or bad faith on the part of the Trustee, be deemed to be
conclusively proved and established by an Officer's Certificate delivered to the
Trustee, and such certificate, in the absence of negligence or bad faith on the
part of the Trustee, shall be full warrant to the Trustee for any action taken,
suffered or omitted by it under the provisions of this Indenture upon the faith
thereof.

          SECTION 6.8  INDENTURES NOT CREATING POTENTIAL CONFLICTING INTERESTS
FOR THE TRUSTEE.  The following indentures are hereby specifically described for
the purposes of Section 310(b)(1) of the Trust Indenture Act:  this Indenture
with respect to the Securities of any other series.

          SECTION 6.9   QUALIFICATION OF TRUSTEE: CONFLICTING INTERESTS.  The
Trustee shall comply with Section 310(b) of the Trust Indenture Act.

          SECTION 6.10  PERSONS ELIGIBLE FOR APPOINTMENT AS TRUSTEE.  The
Trustee for each series of Securities hereunder shall at all times be a
corporation or banking association organized and doing business under the laws
of the United States of America, any State thereof or the District of Columbia,
having a combined capital and surplus of at least $50,000,000, and which is
authorized under such laws to exercise corporate trust powers and is subject to
supervision or examination by Federal, state or District of Columbia authority.
If such corporation publishes reports of condition at least annually, pursuant
to law or to the requirements of the aforesaid supervising or examining
authority, then for the purposes of this Section, the combined capital and
surplus of such corporation shall be deemed to be its combined capital and
surplus as set forth in its most recent report of condition so published.  In
case at any time the Trustee shall cease to be eligible in accordance with the
provisions of this Section, the Trustee shall resign immediately in the manner
and with the effect specified in Section 6.11.

          The provisions of this Section 6.10 are in furtherance of and subject
to Section 310(a) of the Trust Indenture Act.

          SECTION 6.11  RESIGNATION AND REMOVAL; APPOINTMENT OF SUCCESSOR
TRUSTEE.  (a) The Trustee, or any trustee or trustees hereafter appointed, may
at any time resign with respect to one or more or all series of Securities by
giving written notice of resignation to the Issuer and (i) if any Unregistered
Securities of a series affected are then Outstanding, by giving notice of such
resignation to the Holders thereof, by publication at least once in an
Authorized Newspaper in the Borough of Manhattan, The City of New York, and at
least once in an Authorized Newspaper in London (and, if required by Section
3.9, at least once in an Authorized Newspaper in Luxembourg), (ii) if any
Unregistered Securities of a series affected are then Outstanding, by mailing
notice of such resignation to the Holders thereof who have filed their names and
addresses with the Trustee pursuant to Section 313(c)(2) of the Trust Indenture
Act at such addresses as were so furnished to the Trustee and (iii) by mailing
notice of such resignation to the Holders of then Outstanding Registered
Securities of each series

                                       42

 
affected at their addresses as they shall appear on the registry books.  Upon
receiving such notice of resignation, the Issuer shall promptly appoint a
successor trustee or trustees with respect to the applicable series by written
instrument in duplicate, executed by authority of the Board of Directors, one
copy of which instrument shall be delivered to the resigning Trustee and one
copy to the successor trustee or trustees.  If no successor trustee shall have
been so appointed with respect to any series and have accepted appointment
within 30 days after the mailing of such notice of resignation, the resigning
trustee may petition any court of competent jurisdiction for the appointment of
a successor trustee, or any Securityholder who has been a bona fide Holder of a
Security or Securities of the applicable series for at least six months may,
subject to the provisions of Section 5.12, on behalf of himself and all others
similarly situated, petition any such court for the appointment of a successor
trustee.  Such court may thereupon, after such notice, if any, as it may deem
proper and prescribe, appoint a successor trustee.

          (b)  In case at any time any of the following shall occur:

                 (i)  the Trustee shall fail to comply with the provisions of
          Section 310(b) of the Trust Indenture Act with respect to any series
          of Securities after written request therefor by the Issuer or by any
          Securityholder who has been a bona fide Holder of a Security or
          Securities of such series for at least six months; or

                 (ii)  the Trustee shall cease to be eligible in accordance with
          the provisions of Section 6.10 and Section 310(a) of the Trust
          Indenture Act and shall fail to resign after written request therefor
          by the Issuer or by any Securityholder; or

                 (iii)  the Trustee shall become incapable of acting with
          respect to any series of Securities, or shall be adjudged a bankrupt
          or insolvent, or a receiver or liquidator of the Trustee or of its
          property shall be appointed, or any public officer shall take charge
          or control of the Trustee or of its property or affairs for the
          purpose of rehabilitation, conservation or liquidation;

then, in any such case, the Issuer may remove the Trustee with respect to the
applicable series of Securities and appoint a successor trustee for such series
by written instrument, in duplicate, executed by order of the Board of Directors
of the Issuer, one copy of which instrument shall be delivered to the Trustee so
removed and one copy to the successor trustee, or, subject to the provisions of
Section 315(e) of the Trust Indenture Act, any Securityholder who has been a
bona fide Holder of a Security or Securities of such series for at least six
months may on behalf of himself and all others similarly situated, petition any
court of competent jurisdiction for the removal of the Trustee and the
appointment of a successor trustee with respect to such series.  Such court may
thereupon, after such notice, if any, as it may deem proper and prescribe,
remove the Trustee and appoint a successor trustee.

          (c)  The Holders of a majority in aggregate principal amount of the
     Securities of each series at the time outstanding may at any time remove
     the Trustee with respect to Securities of such series and appoint a
     successor trustee with respect to the Securities of

                                       43

 
     such series by delivering to the Trustee so removed, to the successor
     trustee so appointed and to the Issuer the evidence provided for in Section
     7.1 of the action in that regard taken by the Securityholders.

          (d)  Any resignation or removal of the Trustee with respect to any
     series and any appointment of a successor trustee with respect to such
     series pursuant to any of the provisions of this Section 6.11 shall become
     effective upon acceptance of appointment by the successor trustee as
     provided in Section 6.12.

          SECTION 6.12  ACCEPTANCE OF APPOINTMENT BY SUCCESSOR TRUSTEE.  Any
successor trustee appointed as provided in Section 6.11 shall execute and
deliver to the Issuer and to its predecessor trustee an instrument accepting
such appointment hereunder, and thereupon the resignation or removal of the
predecessor trustee with respect to all or any applicable series shall become
effective and such successor trustee, without any further act, deed or
conveyance, shall become vested with all rights, powers, duties and obligations
with respect to such series of its predecessor hereunder, with like effect as if
originally named as trustee for such series hereunder; but, nevertheless, on the
written request of the Issuer or of the successor trustee, upon payment of its
charges then unpaid, the trustee ceasing to act shall, subject to Section 10.4,
pay over to the successor trustee all moneys at the time held by it hereunder
and shall execute and deliver an instrument transferring to such successor
trustee all such rights, powers, duties and obligations.  Upon request of any
such successor trustee, the Issuer shall execute any and all instruments in
writing for more fully and certainly vesting in and confirming to such successor
trustee all such rights and powers.  Any trustee ceasing to act shall,
nevertheless, retain a prior claim upon all property or funds held or collected
by such trustee to secure any amounts then due it pursuant to the provisions of
Section 6.6.

          If a successor trustee is appointed with respect to the Securities of
one or more (but not all) series, the Issuer, the predecessor trustee and each
successor trustee with respect to the Securities of any applicable series shall
execute and deliver an indenture supplemental hereto which shall contain such
provisions as shall be deemed necessary or desirable to confirm that all the
rights, powers, trusts and duties of the predecessor trustee with respect to the
Securities of any series as to which the predecessor trustee is not retiring
shall continue to be vested in the predecessor trustee, and shall add to or
change any of the provisions of this Indenture as shall be necessary to provide
for or facilitate the administration of the trusts hereunder by more than one
trustee, it being understood that nothing herein or in such supplemental
indenture shall constitute such trustees co-trustees of the same trust and that
each such trustee shall be trustee of a trust or trusts under separate
indentures.

          No successor trustee with respect to any series of Securities shall
accept appointment as provided in this Section 6.12 unless at the time of such
acceptance such successor trustee shall be qualified under Section 310(b) of the
Trust Indenture Act and eligible under the provisions of Section 6.10.

                                       44

 
          Upon acceptance of appointment by any successor trustee as provided in
this Section 6.12, the Issuer shall give notice thereof (a) if any Unregistered
Securities of a series affected are then Outstanding, to the Holders thereof, by
publication of such notice at least once in an Authorized Newspaper in the
Borough of Manhattan, The City of New York and at least once in an Authorized
Newspaper in London (and, if required by Section 3.9, at least once in an
Authorized Newspaper in Luxembourg), (b) if any Unregistered Securities of a
series affected are then Outstanding, to the Holders thereof who have filed
their names and addresses with the Trustee pursuant to Section 313(c)(2) of the
Trust Indenture Act, by mailing such notice to such Holders at such addresses as
were so furnished to the Trustee (and the Trustee shall make such information
available to the Issuer for such purpose) and (c) to the Holders of Registered
Securities of each series affected, by mailing such notice to such Holders at
their addresses as they shall appear on the registry books.  If the acceptance
of appointment is substantially contemporaneous with the resignation, then the
notice called for by the preceding sentence may be combined with the notice
called for by Section 6.11.  If the Issuer fails to give such notice within ten
days after acceptance of appointment by the successor trustee, the successor
trustee shall cause such notice to be given at the expense of the Issuer.

          SECTION 6.13  MERGER, CONVERSION, CONSOLIDATION OR SUCCESSION TO
BUSINESS OF TRUSTEE.  Any corporation into which the Trustee may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which the Trustee shall be a
party, or any corporation succeeding to the corporate trust business of the
Trustee, shall be the successor of the Trustee hereunder, provided, that such
corporation shall be qualified under Section 310(b) of the Trust Indenture Act
and eligible under the provisions of Section 6.10, without the execution or
filing of any paper or any further act on the part of any of the parties hereto,
anything herein to the contrary notwithstanding.

          In case at the time such successor to the Trustee shall succeed to the
trusts created by this Indenture any of the Securities of any series shall have
been authenticated but not delivered, any such successor to the Trustee may
adopt the certificate of authentication of any predecessor trustee and deliver
such Securities so authenticated; and, in case at that time any of the
Securities of any series shall not have been authenticated, any successor to the
Trustee may authenticate such Securities either in the name of any predecessor
hereunder or in the name of the successor Trustee; and in all such cases such
certificate shall have the full force which it is anywhere in the Securities of
such series or in this Indenture provided that the certificate of the Trustee
shall have; provided, that the right to adopt the certificate of authentication
of any predecessor trustee or to authenticate Securities of any series in the
name of any predecessor trustee shall apply only to its successor or successors
by merger, conversion or consolidation.

          SECTION 6.14  PREFERENTIAL COLLECTION OF CLAIMS AGAINST THE ISSUER.
The Trustee shall comply with Section 311(a) of the Trust Indenture Act, 
excluding any creditor relationship listed in Section 311(b) of the Trust
Indenture Act.  A Trustee who has resigned or been removed shall be subject to
Section 311(a) of the Trust Indenture Act to the extent indicated.

                                       45

 
          SECTION 6.15  APPOINTMENT OF AUTHENTICATING AGENT.  As long as any
Securities of a series remain Outstanding, the Trustee may, by an instrument in
writing, appoint with the approval of the Issuer an authenticating agent (the
"Authenticating Agent") which shall be authorized to act on behalf of the
Trustee to authenticate Securities, including Securities issued upon exchange,
registration of transfer, partial redemption or pursuant to Section 2.9.
Securities of each such series authenticated by such Authenticating Agent shall
be entitled to the benefits of this Indenture and shall be valid and obligatory
for all purposes as if authenticated by the Trustee.  Whenever reference is made
in this Indenture to the authentication and delivery of Securities of any series
by the Trustee or to the Trustee's Certificate of Authentication, such
reference shall be deemed to include authentication and delivery on behalf of
the Trustee by an Authenticating Agent for such series and a Certificate of
Authentication executed on behalf of the Trustee by such Authenticating Agent.
Such Authenticating Agent shall at all times be a corporation organized and
doing business under the laws of the United States of America or of any State,
authorized under such laws to exercise corporate trust powers, having a combined
capital and surplus of at least $45,000,000 (determined as provided in Section
6.10 with respect to the Trustee) and subject to supervision or examination by
Federal or State authority.

          Any corporation into which any Authenticating Agent may be merged or
converted, or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which any Authenticating Agent
shall be a party, or any corporation succeeding to the corporate agency business
of any Authenticating Agent, shall continue to be the authenticating Agent with
respect to all series of Securities for which it served as Authenticating Agent
without the execution or filing of any paper or any further act on the part of
the Trustee or such Authenticating Agent.  Any Authenticating Agent may at any
time, and if it shall cease to be eligible shall, resign by giving written
notice of resignation to the Trustee and to the Issuer.

          Upon receiving such a notice of resignation or upon such a
termination, or in case at any time any Authenticating Agent shall cease to be
eligible in accordance with the provisions of this Section 6.15 with respect to
one or more series of Securities, the Trustee shall upon receipt of an Issuer
Order appoint a successor Authenticating Agent and the Issuer shall provide
notice of such appointment to all Holders of Securities of such series in the
manner and to the extent provided in Section 11.4.  Any successor Authenticating
Agent upon acceptance of its appointment hereunder shall become vested with all
rights, powers, duties and responsibilities of its predecessor hereunder, with
like effect as if originally named as Authenticating Agent.  The Issuer agrees
to pay to the Authenticating Agent for such series from time to time reasonable
compensation.  The Authenticating Agent for the Securities of any series shall
have no responsibility or liability for any action taken by it as such at the
direction of the Trustee.

          Sections 6.2, 6.3, 6.4, 6.6 and 7.3 shall be applicable to any
Authenticating Agent.

                                       46

 
                                 ARTICLE VII

                         CONCERNING THE SECURITYHOLDERS

          SECTION 7.1  EVIDENCE OF ACTION TAKEN BY SECURITYHOLDERS.  Any
request, demand, authorization, direction, notice, consent, waiver or other
action provided by this Indenture to be given or taken by a specified percentage
in principal amount of the Securityholders of any or all series may be embodied
in and evidenced by one or more instruments of substantially similar tenor
signed by such specified percentage of Securityholders in person or by agent
duly appointed in writing; and, except as herein otherwise expressly provided,
such action shall become effective when such instrument or instruments are
delivered to the Trustee.  Proof of execution of any instrument or of a writing
appointing any such agent shall be sufficient for any purpose of this Indenture
and (subject to Sections 6.1 and 6.2) conclusive in favor of the Trustee and the
Issuer, if made in the manner provided in this Article.

          SECTION 7.2  PROOF OF EXECUTION OF INSTRUMENTS AND OF HOLDING OF
SECURITIES.  Subject to Sections 6.1 and 6.2, the execution of any instrument by
a Securityholder or his agent or proxy may be proved in accordance with such
reasonable rules and regulations as may be prescribed by the Trustee or in such
manner as shall be satisfactory to the Trustee.  The holding or Securities shall
be proved by the Security register or by a certificate of the registrar thereof.

          SECTION 7.3  HOLDERS TO BE TREATED AS OWNERS.  The Issuer, the Trustee
and any agent of the Issuer or the Trustee may deem and treat the person in
whose name any Security shall be registered upon the Security register for such
series as the absolute owner of such Security (whether or not such Security
shall be overdue and notwithstanding any notation of ownership or other writing
thereon) for the purpose of receiving payment of or on account of the principal
of and, subject to the provisions of this Indenture, interest on such Security
and for all other purposes; and neither the Issuer nor the Trustee nor any agent
of the Issuer or the Trustee shall be affected by any notice to the contrary.
The Issuer, the Trustee and any agent of the Issuer or the Trustee may treat the
Holder of any Unregistered Security and the Holder of any Coupon as the absolute
owner of such Unregistered Security or Coupon (whether or not such Unregistered
Security or Coupon shall be overdue) for the purpose of receiving payment
thereof or on account thereof and for all other purposes and neither the Issuer,
the Trustee, nor any agent of the Issuer or the Trustee shall be affected by any
notice to the contrary.  All such payments so made to any such person, or upon
his order, shall be valid, and, to the extent of the sum or sums so paid,
effectual to satisfy and discharge the liability for moneys payable upon any
such Unregistered Security or Coupon.

          SECTION 7.4  SECURITIES OWNED BY ISSUER DEEMED NOT OUTSTANDING.  In
determining whether the Holders of the requisite aggregate principal amount of
Outstanding Securities of any or all series have concurred in any request,
demand, authorization, direction, notice, consent, waiver or other action by
Securityholders under this

                                       47

 
Indenture, Securities which are owned by the Issuer or any other obligor on the
Securities with respect to which such determination is being made or by any
person directly or indirectly controlling or controlled by or under direct or
indirect common control with the Issuer or any other obligor on the Securities
with respect to which such determination is being made shall be disregarded and
deemed not to be Outstanding for the purpose of any such determination, except
that for the purpose of determining whether the Trustee shall be protected in
relying on any such action only Securities which the Trustee knows are so owned
shall be so disregarded.  Securities so owned which have been pledged in good
faith may be regarded as Outstanding if the pledgee establishes to the
satisfaction of the Trustee the pledgee's right so to act with respect to such
Securities and that the pledgee is not the Issuer or any other obligor upon the
Securities or any person directly or indirectly controlling or controlled by or
under direct or indirect common control with the Issuer or any other obligor on
the Securities.  In case of a dispute as to such right, the advice of counsel
shall be full protection in respect of any decision made by the Trustee in
accordance with such advice.  Upon request of the Trustee, the Issuer shall
furnish to the Trustee promptly an Officer's Certificate listing and identifying
all Securities, if any, known by the Issuer to be owned or held by or for the
account of any of the above-described persons; and, subject to Sections 6.1 and
6.2, the Trustee shall be entitled to accept such Officer's Certificate as
conclusive evidence of the facts therein set forth and of the fact that all
Securities not listed therein are Outstanding for the purpose of any such
determination.

          SECTION 7.5  RIGHT OF REVOCATION OF ACTION TAKEN.  At any time prior
to (but not after) the evidencing to the Trustee, as provided in Section 7.1, of
the taking of any action by the Holders of the percentage in aggregate principal
amount of the Securities of any or all series, as the case may be, specified in
this Indenture in connection with such action, any Holder of a Security the
serial number of which is shown by the evidence to be included among the serial
numbers of the Securities the Holders of which have consented to such action
may, by filing written notice at the Corporate Trust Office and upon proof of
holding as provided in this Article, revoke such action so far as concerns such
Security.  Except as aforesaid any such action taken by the Holder of any
Security shall be conclusive and binding upon such Holder and upon all future
Holders and owners of such Security and of any Securities issued in exchange or
substitution therefor or on registration of transfer thereof, irrespective of
whether or not any notation in regard thereto is made upon any such Security.
Any action taken by the Holders of the percentage in aggregate principal amount
of the Securities of any or all series, as the case may be, specified in this
Indenture in connection with such action shall be conclusively binding upon the
Issuer, the Trustee and the Holders of all the Securities affected by such
action.

                                  ARTICLE VIII

                            SUPPLEMENTAL INDENTURES

          SECTION 8.1  SUPPLEMENTAL INDENTURES WITHOUT CONSENT OF
SECURITYHOLDERS.  The Issuer, when authorized by a resolution of its Board of
Directors (which resolution may provide general terms or parameters for such
action and may provide that

                                       48

 
the specific terms of such action may be determined in accordance with or
pursuant to an Issuer Order), and the Trustee may from time to time and at any
time enter into an indenture or indentures supplemental hereto for one or more
of the following purposes:

          (a)  to convey, transfer, assign, mortgage or pledge to the Trustee as
     security for the Securities of one or more series any property or assets;

          (b)  to evidence the succession of another corporation to the Issuer,
     or successive successions, and the assumption by the successor corporation
     of the covenants, agreements and obligations of the Issuer pursuant to
     Article IX;

          (c)  to add to the covenants of the Issuer such further covenants,
     restrictions, conditions or provisions as the Issuer and the Trustee shall
     consider to be for the protection of the Holders of Securities or Coupons,
     and to make the occurrence, or the occurrence and continuance, of a default
     in any such additional covenants, restrictions, conditions or provisions an
     Event of Default permitting the enforcement of all or any of the several
     remedies provided in this Indenture as herein set forth; provided, that in
     respect of any such additional covenant, restriction, condition or
     provision such supplemental indenture may provide for a particular period
     of grace after default (which period may be shorter or longer than that
     allowed in the case of other defaults) or may provide for an immediate
     enforcement upon such an Event of Default or may limit the remedies
     available to the Trustee upon such an Event of Default or may limit the
     right of the Holders of a majority in aggregate principal amount of the
     Securities of such series to waive such an Event of Default;

          (d)  to cure any ambiguity or to correct or supplement any provision
     contained herein or in any supplemental indenture which may be defective or
     inconsistent with any other provision contained herein or in any
     supplemental indenture, or to make any other provisions as the Issuer may
     deem necessary or desirable, provided, that no such action shall adversely
     affect the interests of the Holders of the Securities or Coupons;

          (e)  to establish the forms or terms of Securities of any series or of
     the Coupons appertaining to such Securities as permitted by Sections 2.1
     and 2.3; and

          (f)  to evidence and provide for the acceptance of appointment
     hereunder by a successor trustee with respect to the Securities of one or
     more series and to add to or change any of the provisions of this Indenture
     as shall be necessary to provide for or facilitate the administration of
     the trusts hereunder by more than one trustee, pursuant to the requirements
     of Section 6.12.

          The Trustee is hereby authorized to join with the Issuer in the
execution of any such supplemental indenture, to make any further appropriate
agreements and stipulations which may be therein contained and to accept the
conveyance, transfer, assignment, mortgage or pledge of any property thereunder,
but the Trustee shall not be obligated to enter into any such

                                       49

 
supplemental indenture which affects the Trustee's own rights, duties or
immunities under this Indenture or otherwise.

          Any supplemental indenture authorized by the provisions of this
Section may be executed without the consent of the Holders of any of the
Securities at the time outstanding, notwithstanding any of the provisions of
Section 8.2.

          SECTION 8.2  SUPPLEMENTAL INDENTURES WITH CONSENT OF SECURITYHOLDERS.
With the consent (evidenced as provided in Article VII) of the Holders of not
less than a majority in aggregate principal amount of the Securities at the time
Outstanding of all series affected by such supplemental indenture (voting as one
class), the Issuer, when authorized by a resolution of its Board of Directors
(which resolution may provide general terms or parameters for such action and
may provide that the specific terms of such action may be determined in
accordance with or pursuant to an Issuer Order), and the Trustee may, from time
to time and at any time, enter into an indenture or indentures supplemental
hereto (which shall conform to the provisions of the Trust Indenture Act as in
force and effect at the date of execution thereof) for the purpose of adding any
provisions to or changing in any manner or eliminating any of the provisions of
this Indenture or of any supplemental indenture or of modifying in any manner
the rights of the Holders of the Securities of each such series or of the
Coupons appertaining to such Securities; provided, that no such supplemental
indenture shall (a) extend the final maturity of any Security, or reduce the
principal amount thereof, or reduce the rate or extend the time of payment of
interest thereon, or reduce any amount payable on redemption thereof, or make
the principal thereof (including any amount in respect of original issue
discount), or interest thereon payable in any coin or currency other than that
provided in the Securities and Coupons or in accordance with the terms thereof,
or reduce the amount of the principal of an Original Issue Discount Security
that would be due and payable upon an acceleration of the maturity thereof
pursuant to Section 5.1 or the amount thereof provable in bankruptcy pursuant to
Section 5.2, or alter the provisions of Section 11.11 or 11.12 or impair or
affect the right of any Securityholder to institute suit for the payment thereof
when due or, if the Securities provide therefor, any right of repayment at the
option of the Securityholder, in each case without the consent of the Holder of
each Security so affected, or (b) reduce the aforesaid percentage of Securities
of any series, the consent of the Holders of which is required for any such
supplemental indenture, without the consent of the Holders of each Security so
affected.

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

          Upon the request of the Issuer, accompanied by a copy of a resolution
of the Board of Directors (which resolution may provide general terms or
parameters for such action

                                       50

 
and may provide that the specific terms of such action may be determined in
accordance with or pursuant to an Issuer Order) certified by the secretary or an
assistant secretary of the Issuer authorizing the execution of any such
supplemental indenture, and upon the filing with the Trustee of evidence of the
consent of the Holders of the Securities as aforesaid and other documents, if
any, required by Section 7.1, the Trustee shall join with the Issuer in the
execution of such supplemental indenture unless such supplemental indenture
affects the Trustee's own rights, duties or immunities under this Indenture or
otherwise, in which case the Trustee may in its discretion, but shall not be
obligated to, enter into such supplemental indenture.

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

          Promptly after the execution by the Issuer and the Trustee of any
supplemental indenture pursuant to the provisions of this Section, the Trustee
shall give notice thereof (i) to the Holders of then Outstanding Registered
Securities of each series affected thereby, by mailing a notice thereof by
first-class mail to such Holders at their addresses as they shall appear on the
Security register, (ii) if any Unregistered Securities of a series affected
thereby are then Outstanding, to the Holders thereof who have filed their names
and addresses with the Trustee pursuant to Section 313(c)(2) of the Trust
Indenture Act, by mailing a notice thereof by first-class mail to such Holders
at such addresses as were so furnished to the Trustee and (iii) if any
Unregistered Securities of a series affected thereby are then Outstanding, to
all Holders thereof, by publication of a notice thereof at least once in an
Authorized Newspaper in the Borough of Manhattan, The City of New York and at
least once in an Authorized Newspaper in London (and, if required by Section
3.9, at least once in an Authorized Newspaper in Luxembourg), and in each case
such notice shall set forth in general terms the substance of such supplemental
indenture.  Any failure of the Issuer to give such notice, or any defect
therein, shall not, however, in any way impair or affect the validity of any
such supplemental indenture.

          SECTION 8.3  EFFECT OF SUPPLEMENTAL INDENTURE.  Upon the execution of
any supplemental indenture pursuant to the provisions hereof, this Indenture
shall be and be deemed to be modified and amended in accordance therewith and
the respective rights, limitations of rights, obligations, duties and immunities
under this Indenture of the Trustee, the Issuer and the Holders of Securities of
each series affected thereby shall thereafter be determined, exercised and
enforced hereunder subject in all respects to such modifications and amendments,
and all the terms and conditions of any such supplemental indenture shall be and
be deemed to be part of the terms and conditions of this Indenture for any and
all purposes.

          SECTION 8.4  DOCUMENTS TO BE GIVEN TO TRUSTEE.  The Trustee, subject
to the provisions of Sections 6.1 and 6.2, may receive an Officer's Certificate
and an Opinion of Counsel as conclusive evidence that any supplemental indenture
executed pursuant to this Article 8 complies with the applicable provisions of
this Indenture.

                                       51

 
          SECTION 8.5  NOTATION ON SECURITIES IN RESPECT OF SUPPLEMENTAL
INDENTURES.  Securities of any series authenticated and delivered after the
execution of any supplemental indenture pursuant to the provisions of this
Article may bear a notation in form approved by the Trustee for such series as
to any matter provided for by such supplemental indenture or as to any action
taken by Securityholders.  If the Issuer or the Trustee shall so determine, new
Securities of any series so modified as to conform, in the opinion of the
Trustee and the Board of Directors, to any modification of this Indenture
contained in any such supplemental indenture may be prepared by the Issuer,
authenticated by the Trustee and delivered in exchange for the Securities of
such series then Outstanding.

                                   ARTICLE IX

                   CONSOLIDATION, MERGER, SALE OR CONVEYANCE

          SECTION 9.1  ISSUER MAY CONSOLIDATE, ETC., ONLY ON CERTAIN TERMS.  The
Issuer shall not consolidate with or merge into any other Person or transfer or
lease its properties and assets substantially as an entirety to any Person, and
the Issuer shall not permit any other Person to consolidate with or merge into
the Issuer, unless:

          (a)  either the Issuer shall be the continuing corporation, or the
     successor corporation (if other than the Issuer) formed by such
     consolidation or into which the Issuer is merged or to which the properties
     and assets of the Issuer substantially as an entity are transferred or
     leased shall be a corporation organized and existing under the laws of the
     United States of America, any State thereof or the District of Columbia and
     shall expressly assume, by an indenture supplemental hereto, executed and
     delivered to the Trustee, in form satisfactory to the Trustee, all the
     obligations of the Issuer under the Securities and this Indenture; and

          (b)  immediately after giving effect to such transaction and treating
     any indebtedness which becomes an obligation of the Issuer or a Subsidiary
     as a result of such transaction as having been incurred by the Issuer or
     such Subsidiary at the time of such transaction, no Event of Default, and
     no event which, after notice or lapse of time or both, would become an
     Event of Default, shall have happened and be continuing.

          SECTION 9.2  SUCCESSOR CORPORATION SUBSTITUTED.  The successor
corporation formed by such consolidation or into which the Issuer is merged or
to which such transfer or lease is made shall succeed to and be substituted for,
and may exercise every right and power of, the Issuer under this Indenture with
the same effect as if such successor corporation had been named as the Issuer
herein, and thereafter (except in the case of a lease to another Person) the
predecessor corporation shall be relieved of all obligations and covenants under
the Indenture and the Securities and, in the event of such conveyance or
transfer, any such predecessor corporation may be dissolved and liquidated.

                                       52

 
          SECTION 9.3    OPINION OF COUNSEL TO BE GIVEN TRUSTEE.  The Trustee,
subject to the provisions of Sections 6.1 and 6.2, may receive an Opinion of
Counsel as conclusive evidence that any such consolidation, merger, sale or
conveyance, and any such assumption, complies with the provisions of this
Article IX.

                                   ARTICLE X

                    SATISFACTION AND DISCHARGE OF INDENTURE;
                                UNCLAIMED MONEYS

          SECTION 10.1  SATISFACTION AND DISCHARGE OF INDENTURE.

          (A) If at any time (i) the Issuer shall have paid or caused to be paid
the principal of and interest on all the Securities of any series Outstanding
hereunder and all unmatured Coupons appertaining thereto (other than Securities
of such series and Coupons appertaining thereto which have been destroyed, lost
or stolen and which have been replaced or paid as provided in Section 2.9) as
and when the same shall have become due and payable, or (ii) the Issuer shall
have delivered to the Trustee for cancellation all Securities of any series
theretofore authenticated and all unmatured Coupons appertaining thereto (other
than any Securities of such series and Coupons appertaining thereto which shall
have been destroyed, lost or stolen and which shall have been replaced or paid
as provided in Section 2.9) or (iii) in the case of any series of Securities
where the exact amount (including the currency of payment) of principal of and
interest due on which can be determined at the time of making the deposit
referred to in clause (b) below, (a) all the Securities of such series and all
unmatured Coupons appertaining thereto not theretofore delivered to the Trustee
for cancellation shall have become due and payable, or are by their terms to
become due and payable within one year or are to be called for redemption within
one year under arrangements satisfactory to the Trustee for the giving of notice
of redemption, and (b) the Issuer shall have irrevocably deposited or caused to
be deposited with the Trustee as trust funds in trust the entire amount in (i)
cash (other than moneys repaid by the Trustee or any paying agent to the Issuer
in accordance with Section 10.4), (ii) in the case of any series of Securities
the payments on which may only be made in Dollars, direct obligations of the
United States of America, backed by its full faith and credit ("U.S. Government
Obligations"), maturing as to principal and interest at such times and in such
amounts as will insure the availability of cash sufficient to pay at such
maturity or upon such redemption, as the case may be, or (iii) a combination
thereof, sufficient, in the opinion of a nationally recognized firm of
independent public accountants expressed in a written certification thereof
delivered to the Trustee, to pay (a) the principal and interest on all
Securities of such series and Coupons appertaining thereto on each date that
such principal or interest is due and payable and (b) any mandatory sinking fund
payments on the dates on which such payments are due and payable in accordance
with the terms of the Indenture and the Securities of such series; (x) the
principal and interest on all Securities of such series and Coupons appertaining
thereto on each date that such principal or interest is due and payable and (y)
any mandatory sinking fund payments on the dates on which such payments are due
and payable in accordance with the terms of the Indenture and the Securities of
such series; and if, in any such case, the Issuer shall

                                       53

 
also pay or cause to be paid all other sums payable hereunder by the Issuer,
then this Indenture shall cease to be of further effect (except as to (i) rights
of registration of transfer and exchange of Securities of such Series and of
Coupons appertaining thereto and the Issuer's right of optional redemption, if
any, (ii) substitution of mutilated, defaced, destroyed, lost or stolen
Securities or Coupons, (iii) rights of holders of Securities and Coupons
appertaining thereto to receive payments of principal thereof and interest
thereon, upon the original stated due dates therefor (but not upon
acceleration), and remaining rights of the Holders to receive mandatory sinking
fund payments, if any, (iv) any optional redemption rights of such series of
Securities to the extent to be exercised to make such call for redemption within
one year, (v) the rights, obligations, duties and immunities of the Trustee
hereunder, including those under Section 6.6, (vi) the rights of the Holders of
securities of such series and Coupons appertaining thereto as beneficiaries
hereof with respect to the property so deposited with the Trustee payable to all
or any of them, and (vii) the obligations of the Issuer under Section 3.2) and
the Trustee, on demand of the Issuer accompanied by an Officer's Certificate and
an Opinion of Counsel and at the cost and expense of the Issuer, shall execute
proper instruments acknowledging such satisfaction of and discharging this
Indenture; provided, that the rights of Holders of the Securities and Coupons to
receive amounts in respect of principal of and interest on the Securities and
Coupons held by them shall not be delayed longer than required by then-
applicable mandatory rules or policies of any securities exchange upon which the
Securities are listed.  The Issuer agrees to reimburse the Trustee for any costs
or expenses thereafter reasonably and properly incurred and to compensate the
Trustee for any services thereafter reasonably and properly rendered by the
Trustee in connection with this Indenture or the Securities of such series.

          (B) The following provisions shall apply to the Securities of each
series unless specifically otherwise provided in a Board Resolution, Officer's
Certificate or indenture supplemental hereto provided pursuant to Section 2.3.
In addition to discharge of the Indenture pursuant to the next preceding
paragraph, in the case of any series of Securities the exact amounts (including
the currency of payment) of principal of and interest due on which can be
determined at the time of making the deposit referred to in clause (a) below,
the Issuer shall be deemed to have paid and discharged the entire indebtedness
on all the Securities of such a series and the Coupons appertaining thereto on
the date of the deposit referred to in subparagraph (a) below, and the
provisions of this Indenture with respect to the Securities of such series and
Coupons appertaining thereto shall no longer be in effect (except as to (i)
rights of registration of transfer and exchange of Securities of such series and
of Coupons appertaining thereto and the Issuer's right of optional redemption,
if any, (ii) substitution of mutilated, defaced, destroyed, lost or stolen
Securities or Coupons, (iii) rights of Holders of Securities and Coupons
appertaining thereto to receive payments of principal thereof and interest
thereon, upon the original stated due dates therefor (but not upon
acceleration), and remaining rights of the Holders to receive mandatory sinking
fund payments, if any, (iv) any optional redemption rights of such series of
Securities to the extent to be exercised to make such call for redemption within
one year, (v) the rights, obligations, duties and immunities of the Trustee
hereunder, (vi) the rights of the Holders of Securities of such series and
Coupons appertaining thereto as beneficiaries hereof with respect to the
property so deposited with the Trustee payable to all or any

                                       54

 
of them and (vii) the obligations of the Issuer under Section 3.2) and the
Trustee, at the expense of the Issuer, shall at the Issuer's request, execute
proper instruments acknowledging the same, if

          (a)  with reference to this provision the Issuer has irrevocably
     deposited or caused to be irrevocably deposited with the Trustee as trust
     funds in trust, specifically pledged as security for, and dedicated solely
     to, the benefit of the Holders of the Securities of such series and Coupons
     appertaining thereto (i) cash in an amount, or (ii) in the case of any
     series of Securities the payments on which may only be made in Dollars,
     U.S. Government Obligations, maturing as to principal and interest at such
     times and in such amounts as will insure the availability of cash or (iii)
     a combination thereof, sufficient, in the opinion of a nationally
     recognized firm of independent public accountants expressed in a written
     certification thereof delivered to the Trustee, to pay (A) the principal
     and interest on all Securities of such series and Coupons appertaining
     thereto on each date that such principal or interest is due and payable and
     (b) any mandatory sinking fund payments on the dates on which such payments
     are due and payable in accordance with the terms of the Indenture and the
     Securities of such series;

          (b)  such deposit will not result in a breach or violation of, or
     constitute a default under, any agreement or instrument to which the Issuer
     is a party or by which it is bound;

          (c)  the Issuer has delivered to the Trustee an Opinion of Counsel
     based on the fact that (x) the Issuer has received from, or there has been
     published by, the IRS a ruling or (y) since the date hereof, there has been
     a change in the applicable Federal income tax law, in either case to the
     effect that, and such opinion shall confirm that, the Holders of the
     Securities of such series and Coupons appertaining thereto will not
     recognize income, gain or loss for United States Federal income tax
     purposes as a result of such deposit, defeasance and discharge and will be
     subject to United States Federal income tax on the same amount and in the
     same manner and at the same times, as would have been the case if such
     deposit, defeasance and discharge had not occurred; and

          (d)  the Issuer has delivered to the Trustee an Officer's Certificate
     and an Opinion of Counsel, each stating that all conditions precedent
     provided for relating to the defeasance contemplated by this provision have
     been complied with.

          (C) The Issuer shall be released from its obligations under Sections
3.6 and 9.1 and unless otherwise provided for in the Board Resolution, Officer's
Certificate or Indenture supplemental hereto establishing such series of
Securities, from all covenants and other obligations referred to in Section
2.3(18) or 2.3(19) with respect to such series of Securities, and any Coupons
appertaining thereto, outstanding on and after the date the conditions set forth
below are satisfied (hereinafter, "covenant defeasance").  For this purpose,
such covenant defeasance means that, with respect to the Outstanding Securities
of any series, the Issuer may omit to comply with and shall have no liability in
respect of any term, condition or limitation

                                       55

 
set forth in such Section, whether directly or indirectly by reason of any
reference elsewhere herein to such Section or by reason of any reference in such
Section to any other provision herein or in any other document and such omission
to comply shall not constitute an Event of Default under Section 5.1, but the
remainder of this Indenture and such Securities and Coupons shall be unaffected
thereby.  The following shall be the conditions to application of this
subsection C of this Section 10.1:

          (a)  The Issuer has irrevocably deposited or caused to be deposited
     with the Trustee as trust funds in trust for the purpose of making the
     following payments, specifically pledged as security for, and dedicated
     solely to, the benefit of the holders of the Securities of such series and
     coupons appertaining thereto, (i) cash in an amount, or (ii) in the case of
     any series of Securities the payments on which may only be made in Dollars,
     U.S. Government Obligations maturing as to principal and interest at such
     times and in such amounts as will insure the availability of cash or (iii)
     a combination thereof, sufficient, in the opinion of a nationally
     recognized firm of independent public accountants expressed in a written
     certification thereof delivered to the Trustee, to pay (A) the principal
     and interest on all Securities of such series and Coupons appertaining
     thereof and (B) any mandatory sinking fund payments on the day on which
     such payments are due and payable in accordance with the terms of the
     Indenture and the Securities of such series;

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

          (c)  Such covenant defeasance shall not cause the Trustee to have a
     conflicting interest as defined in Section 6.9 and for purposes of the
     Trust Indenture Act with respect to any securities of the Issuer;

          (d)  Such covenant defeasance shall not result in a breach or
     violation of, or constitute a default under, this Indenture or any other
     agreement or instrument to which the Issuer is a party or by which it is
     bound;

          (e)  Such covenant defeasance shall not cause any Securities then
     listed on any registered national securities exchange under the Exchange
     Act to be delisted;

          (f)  The Issuer shall have delivered to the Trustee an Officer's
     Certificate and Opinion of Counsel to the effect that the Holders of the
     Securities of such series and Coupons appertaining thereto will not
     recognize income, gain or loss for United States Federal income tax
     purposes as a result of such covenant defeasance and will be subject to
     United States Federal income tax on the same amounts, in the same manner
     and at the same times as would have been the case if such covenant
     defeasance had not occurred; and

                                       56

 
          (g)  The Issuer shall have delivered to the Trustee an Officer's
     Certificate and an Opinion of Counsel, each stating that all conditions
     precedent provided for relating to the covenant defeasance contemplated by
     this provision have been complied with.

          SECTION 10.2  APPLICATION BY TRUSTEE OF FUNDS DEPOSITED FOR PAYMENT OF
SECURITIES.    Subject to Section 10.4, all moneys deposited with the Trustee
(for other trustee) pursuant to Section 10.1 shall be held in trust and applied
by it to the payment, either directly or through any paying agent (including the
Issuer acting as its own paying agent), to the Holders of the particular
Securities of such series and of Coupons appertaining thereto for the payment or
redemption of which such moneys have been deposited with the Trustee, of all
sums due and to become due thereon for principal and interest; but such money
need not be segregated from other funds except to the extent required by law.

          SECTION 10.3  REPAYMENT OF MONEYS HELD BY PAYING AGENT.   In
connection with the satisfaction and discharge of this Indenture with respect to
Securities of any series, all moneys then held by any paying agent under the
provisions of this Indenture with respect to such series of Securities shall,
upon demand of the Issuer, be repaid to it or paid to the Trustee and thereupon
such paying agent shall be released from all further liability with respect to
such moneys.

          SECTION 10.4  RETURN OF MONEYS HELD BY TRUSTEE AND PAYING AGENT
UNCLAIMED FOR TWO YEARS.    Any moneys deposited with or paid to the Trustee or
any paying agent for the payment of the principal of or interest on any Security
of any series of Coupons attached thereto and not applied but remaining
unclaimed for two years after the date upon which such principal or interest
shall have become due and payable, shall, upon the written request of the Issuer
and unless otherwise required by mandatory provisions of applicable escheat or
abandoned or unclaimed property law, be repaid to the Issuer by the Trustee for
such series or such paying agent, and the Holder of the Securities of such
series and of any Coupons appertaining thereto shall, unless otherwise required
by mandatory provisions of applicable escheat or abandoned or unclaimed property
laws, thereafter look only to the Issuer for any payment which such Holder may
be entitled to collect, and all liability of the Trustee or any paying agent
with respect to such moneys shall thereupon cease; provided, that the Trustee or
such paying agent, before being required to make any such repayment with respect
to moneys deposited with it for any payment (a) in respect of Registered
Securities of any series, shall at the expense of the Issuer, mail by first-
class mail to Holders of such Securities at their addresses as they shall appear
on the Security register, and (b) in respect of Unregistered Securities of any
series, shall at the expense of the Issuer cause to the published once, in an
Authorized Newspaper in the Borough of Manhattan, The City of New York and once
in an Authorized Newspaper in London (and if required by Section 3.9, once in an
Authorized Newspaper in Luxembourg), notice, that such moneys remain and that,
after  a date specified therein, which shall not be less than thirty days from
the date of such mailing or publication, any unclaimed balance of such money
then remaining will be repaid to the Issuer.

                                       57

 
          SECTION 10.5  INDEMNITY FOR U.S. GOVERNMENT OF OBLIGATIONS.  The
Issuer shall pay and indemnify the Trustee against any tax, fee or other charge
imposed on or assessed against the U.S. Government Obligations deposited
pursuant to Section 10.1 or the principal or interest received in respect of
such obligations.

                                   ARTICLE XI

                            MISCELLANEOUS PROVISIONS

          SECTION 11.1  INCORPORATORS, STOCKHOLDERS, OFFICERS AND DIRECTORS OF
ISSUER EXEMPT FROM INDIVIDUAL LIABILITY.  No recourse under or upon any
obligation, covenant or agreement contained in this Indenture, or in any
Security, or because of any indebtedness evidenced thereby, shall be had against
any incorporator, as such or against any past, present or future stockholder,
officer or director, as such, of the Issuer or of any successor, either directly
or through the Issuer or any successor, under any rule of law, statute or
constitutional provision or by the enforcement of any assessment or by any legal
or equitable proceeding or otherwise, all such liability being expressly waived
and released by the acceptance of the Securities and the Coupons, if any,
appertaining thereto by the Holders thereof and as part of the consideration for
the issue of the Securities and the Coupons appertaining thereto.

          SECTION 11.2  PROVISIONS OF INDENTURE FOR THE SOLE BENEFIT OF PARTIES
AND HOLDERS OF SECURITIES AND COUPONS.  Nothing in this Indenture, in the
Securities or in the Coupons appertaining thereto, expressed or implied, shall
give or be construed to give to any person, firm or corporation, other than the
parties thereto and their successors and the Holders of the Securities or
Coupons, if any, any legal or equitable right, remedy or claim under this
Indenture or under any covenant or provision herein contained, all such
covenants and provisions being for the sole benefit of the parties hereto and
their successors and of the Holders of the Securities or Coupons, if any.

          SECTION 11.3  SUCCESSORS AND ASSIGNS OF ISSUER BOUND BY INDENTURE.
All the covenants, stipulations, promises and agreements in this Indenture
contained by or in behalf of the Issuer shall bind its successors and assigns,
whether so expressed or not.

          SECTION 11.4  NOTICES AND DEMANDS ON ISSUER, TRUSTEE AND HOLDERS OF
SECURITIES AND COUPONS.  Any notice or demand which by any provision of this
Indenture is required or permitted to be given or served by the Trustee or by
the Holders of Securities or Coupons, if any, to or on the Issuer may be given
or served by being deposited postage prepaid, first-class mail (except as
otherwise specifically provided herein) addressed (until another address of the
Issuer is filed by the Issuer with the Trustee) to McKesson Corporation,
McKesson Plaza, One Post Street, San Francisco, California 94104, Attention:
Secretary.  Any notice, direction, request or demand by the Issuer or any Holder
of Securities or Coupons, if any, to or upon the Trustee shall be deemed to have
been sufficiently

                                       58

 
given or served by being deposited postage prepaid, first-class mail (except as
otherwise specifically provided herein) addressed (until another address of the
Trustee is filed by the Trustee with the Issuer) to The First National Bank of
Chicago, One First National Plaza, Suite 0126, Chicago, Illinois 60670-0126,
Attention:  Corporate Trust Services Division.

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

          In case, by reason of the suspension of or irregularities in regular
mail service, it shall be impracticable to mail notice to the Issuer when such
notice is required to the given pursuant to any provision of this Indenture,
then any manner of giving such notice as shall be reasonably satisfactory to the
Trustee shall be deemed to be a sufficient giving of such notice.

          SECTION 11.5  OFFICER'S CERTIFICATES AND OPINIONS OF COUNSEL;
STATEMENTS TO BE CONTAINED THEREIN.  Upon any application or demand by the
Issuer to the Trustee to take any action under any of the provisions of this
Indenture, the Issuer shall furnish to the Trustee an Officer's Certificate
stating that all conditions precedent provided for in this Indenture relating to
the proposed action have been complied with and an Opinion of Counsel stating
that in the opinion of such counsel all such conditions precedent 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 Indenture relating to such particular application or demand, no
additional certificate or opinion need be furnished.

          Each certificate or opinion provided for in this Indenture and
delivered to the Trustee with respect to compliance with a condition or covenant
provided for in this Indenture shall include (a) a statement that the person
making such certificate or opinion has read such covenant or condition, (b) a
brief statement as to the nature and scope of the examination or investigation
upon which the statements or opinions contained in such certificate or opinion
are based, (c) a statement that, in the opinion of such person, he has made such
examination or investigation as is necessary to enable him to express an
informed opinion as to whether or not such covenant or condition has been
complied with and (d) a statement as to whether or not, in the opinion of such
person, such condition or covenant has been complied with.

                                       59

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

          Any certificate, statement or opinion of an officer of the Issuer or
of counsel may be based, insofar as it relates to accounting matters, upon a
certificate or opinion of or representations by an accountant or firm of
accountants in the employ of the Issuer, unless such officer or counsel, as the
case may be, knows that the certificate or opinion of or representations with
respect to the accounting matters upon which his certificate, statement or
opinion may be based as aforesaid are erroneous, or in the exercise of
reasonable care should know that the same are erroneous.

          Any certificate or opinion of any independent firm of public
accountants filed with and directed to the Trustee shall contain a statement
that such firm is independent.

          SECTION 11.6  PAYMENTS DUE ON SATURDAYS, SUNDAYS AND HOLIDAYS.  If the
date of maturity of interest on or principal of the Securities of any series or
any Coupons appertaining thereto or the date fixed for redemption or repayment
of any such Security or Coupon shall not be a Business Day, then payment of
interest or principal need not be made on such date, but may be made on the next
succeeding Business Day with the same force and effect as if made on the date of
maturity or the date fixed for redemption, and no interest shall accrue for the
period after such date.

          SECTION 11.7  CONFLICT OF ANY PROVISION OF INDENTURE WITH TRUST
INDENTURE ACT.  If and to the extent that any provision of this Indenture
limits, qualifies or conflicts with duties imposed by, or with another provision
(an "incorporated provision") included in this Indenture by operation of
Sections 310 to 318, inclusive, of the Trust Indenture Act, such imposed duties
or incorporated provision shall control.

          SECTION 11.8  NEW YORK LAW TO GOVERN.  THIS INDENTURE AND EACH
SECURITY AND COUPON SHALL BE DEEMED TO BE A CONTRACT UNDER THE LAWS OF THE STATE
OF NEW YORK, AND FOR ALL PURPOSES SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS
OF SUCH STATE, WITHOUT REGARD TO THE CONFLICTS OF LAW PRINCIPLES THEREOF.

                                       60

 
          SECTION 11.9  COUNTERPARTS.  This Indenture may be executed in any
number of counterparts, each of which shall be an original; but such
counterparts shall together constitute but one and the same instrument.

          SECTION 11.10  EFFECT OF HEADINGS.  The Article and Section headings
herein and the Table of Contents are for convenience only and shall not affect
the construction hereof.

          SECTION 11.11  SECURITIES IN A FOREIGN CURRENCY OR IN ECU.  Unless
otherwise specified in an Officer's Certificate delivered pursuant to Section
2.3 of this Indenture with respect to a particular series of Securities,
whenever for purposes of this Indenture any action may be taken by the Holders
of a specified percentage in aggregate principal amount of Securities of all
series or all series affected by a particular action at the time Outstanding
and, at such time, there are Outstanding Securities of any series which are
denominated in a coin or currency other than Dollars (including ECUs), then the
principal amount of Securities of such series which shall be deemed to be
Outstanding for the purpose of taking such action shall be that amount of
Dollars that could be obtained for such amount at the Market Exchange Rate.  For
purposes of this Section 11.11, Market Exchange Rate shall mean the noon Dollar
buying rate in The New York City for cable transfers of that currency as 
published by the Federal Reserve Bank of New York; provided, in the case of
ECUs, Market Exchange Rate shall mean the rate of exchange determined by the
Commission of the European Communities (or any successor thereto) as published
in the Official Journal of the European Communities (such publication or any
successor publication, the "Journal"). If such Market Ex change Rate is not
available for any reason with respect to such currency, the Trustee shall use,
in its sole discretion and without liability on its part, such quotation of the
Federal Reserve Bank of New York or, in the case of ECUs, the rate of exchange
as published in the Journal, as of the most recent available date, or quotations
or, in the case of ECUs, rates of exchange from one or more major banks in The
City of New York or in the country of issue of the currency in question, which
for purposes of the ECU shall be Brussels, Belgium, or such other quotations or,
in the case of ECU, rates of exchange as the Trustee shall deem appropriate. The
provisions of this paragraph shall apply in determining the equivalent principal
amount in respect of Securities of a series denominated in a currency other than
Dollars in connection with any action taken by Holders of Securities pursuant to
the terms of this Indenture.

          All decisions and determinations of the Trustee regarding the Market
Exchange Rate or any alternative determination provided for in the preceding
paragraph shall be in its sole discretion and shall, in the absence of manifest
error, be conclusive to the extent permitted by law for all purposes and
irrevocably binding upon the Issuer and all Holders.

          SECTION 11.12  JUDGMENT CURRENCY.  The Issuer agrees, to the fullest
extent that it may effectively do so under applicable law, that (a) if for the
purpose of obtaining judgment in any court it is necessary to convert the sum
due in respect of the principal of or interest on the Securities of any series
(the "Required Currency") into a currency in which a judgment will be rendered
(the "Judgment Currency"), the rate of exchange used shall be the

                                       61

 
rate at which in accordance with normal banking procedures the Trustee could
purchase in The City of New York the Required Currency with the Judgment
Currency on the day on which final unappealable judgment is entered, unless such
day is not a New York Banking Day, then, to the extent permitted by applicable
law, the rate of exchange used shall be the rate at which in accordance with
normal banking procedures the Trustee could purchase in The City of New York the
Required Currency with the Judgment Currency on the New York Banking Day
preceding the day on which final unappealable judgment is entered and (b) its
obligations under this Indenture to make payments in the Required Currency (i)
shall not be discharged or satisfied by any tender, or any recovery pursuant to
any judgment (whether or not entered in accordance with subsection (a)), in any
currency other than the Required Currency, except to the extent that such tender
or recovery shall result in the actual receipt, by the payee, of the full amount
of the Required Currency expressed to be payable in respect of such payments,
(ii) shall be enforceable as an alternative or additional cause of action for
the purpose of recovering in the Required Currency the amount, if any, by which
such actual receipt shall fall short of the full amount of the Required Currency
so expressed to be payable and (iii) shall not be affected by judgment being
obtained for any other sum due under this Indenture.  For purposes of the
foregoing, "New York Banking Day" means any day except a Saturday, Sunday or a
legal holiday in The City of New York or a day on which banking institutions in
The City of New York are authorized or required by law or executive order to
close.

                                  ARTICLE XII

                   REDEMPTION OF SECURITIES AND SINKING FUNDS

          SECTION 12.1  APPLICABILITY OF ARTICLE.  The provisions of this
Article shall be applicable to the Securities of any series which are redeemable
before their maturity or to any sinking fund for the retirement of Securities of
a series except as otherwise specified as contemplated by Section 2.3 for
Securities of such series.

          SECTION 12.2  NOTICE OF REDEMPTION; PARTIAL REDEMPTIONS.  Notice of
redemption to the Holders of Registered Securities of any series to be redeemed
as a whole or in part at the option of the Issuer shall be given by mailing
notice of such redemption by first class mail, postage prepaid, at least 30 days
and not more than 60 days prior to the date fixed for redemption to such Holders
of Securities of such series at their last addresses as they shall appear upon
the registry books.  Notice of redemption to the Holders of Unregistered
Securities to be redeemed as a whole or in part, who have filed their names and
addresses with the Trustee pursuant to Section 313(c)(2) of the Trust Indenture
Act shall be given by mailing notice of such redemption, by first class mail,
postage prepaid, at least 30 days and not more than 60 prior to the date fixed
for redemption, to such Holders at such addresses as were so furnished to the
Trustee (and, in the case of any such notice given by the Issuer, the Trustee
shall make such information available to the Issuer for such purpose).  Notice
of redemption to all other Holders of Unregistered Securities shall be published
in an Authorized Newspaper in the Borough of Manhattan, The City of New York and
in an Authorized Newspaper in London (and, if required by Section 3.9, in an
Authorized Newspaper in

                                       62

 
Luxembourg), in each case, once in each of three successive calendar weeks, the
first publication to be not less than 30 nor more than 60 days prior to the
date fixed for redemption.  Any notice which is mailed in the manner herein
provided shall be conclusively presumed to have been duly given, whether or not
the Holder receives the notice.  Failure to give notice by mail, or any defect
in the notice to the Holder of any Security of a series designated for
redemption as a whole or in part shall not affect the validity of the
proceedings for the redemption of such Security of such series.

          The notice of redemption to each such Holder shall specify the
principal amount of each Security of such series held by such Holder to be
redeemed, the date fixed for redemp tion, the redemption price, the place or
places of payment, that payment will be made upon presentation and surrender of
such Securities and, in the case of Securities with Coupons attached thereto, of
all Coupons appertaining thereto maturing after the date fixed for redemption,
that such redemption is pursuant to the mandatory or optional sinking fund, or
both, if such be the case, that interest accrued to the date fixed for
redemption will be paid as specified in such notice and that on and after said
date interest thereon or on the portions thereof to be redeemed will cease to
accrue.  In case any Security of a series is to be redeemed in part only the
notice of redemption shall state the portion of the principal amount thereof to
be redeemed and shall state that on and after the date fixed for redemption,
upon surrender of such Security, a new Security or Securities of such series in
principal amount equal to the unredeemed portion thereof will be issued.

          The notice of redemption of Securities of any series to be redeemed at
the option of the Issuer shall be given by the Issuer or, at the Issuer's
request, by the Trustee in the name and at the expense of the Issuer.

          On or before the redemption date specified in the notice of redemption
given as provided in this Section, the Issuer will deposit with the Trustee or
with one or more paying agents (or, if the Issuer is acting as its own paying
agent, set aside, segregate and holder in trust as provided in Section 3.4) an
amount of money sufficient to redeem on the redemption date all the Securities
of such series so called for redemption at the appropriate redemption price,
together with accrued interest to the date fixed for redemption.  The Issuer
will deliver to the Trustee at least 70 days prior to the date fixed for
redemption, or such shorter period as shall be acceptable to the Trustee, an
Officer's Certificate stating the aggregate principal amount of Securities to be
redeemed.  In case of a redemption at the election of the Issuer prior to the
expiration of any restriction on such redemption, the Issuer shall deliver to
the Trustee, prior to the giving of any notice of redemption to Holders pursuant
to this Section, an Officer's Certificate stating that such restriction has been
complied with.

          If less than all the Securities of a series are to be redeemed, the
Trustee shall select, in such manner as it shall deemed appropriate and fair, in
its sole discretion, Securities of such series to be redeemed in whole or in
part.  Securities may be redeemed in part in multiples equal to the minimum
authorized denomination for Securities of such series or any multiple thereof.
The Trustee shall promptly notify the Issuer in writing of the Securities of

                                       63

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

          SECTION 12.3  PAYMENT OF SECURITIES CALLED FOR REDEMPTION.  If notice
of redemption has been given as above provided, the Securities or portions of
Securities specified in such notice shall become due and payable on the date and
at the place stated in such notice at the applicable redemption price, together
with interest accrued to the date fixed for redemption, and on and after said
date (unless the Issuer shall default in the payment of such Securities at the
redemption price, together with interest accrued to said date) interest on the
Securities or portions of Securities so called for redemption shall cease to
accrue, and the unmatured Coupons, if any, appertaining thereto shall be void,
and, except as provided in Sections 6.5 and 10.4, such Securities shall cease
from and after the date fixed for redemption to be entitled to any benefit or
security under this Indenture, and the Holders thereof shall have no right in
respect of such Securities except the right to receive the redemption price
thereof and unpaid interest to the date fixed for redemption.  On presentation
and surrender of such Securities at a place of payment specified in said notice,
together with all Coupons, if any, appertaining thereto maturing after the date
fixed for redemption, said Securities or the specified portions thereof shall be
paid and redeemed by the Issuer at the applicable redemption price, together
with interest accrued thereon to the date fixed for redemption; provided, that
payment of interest becoming due on or prior to the date fixed for redemption
shall be payable in the case of Securities with Coupons attached thereto, to the
Holders of the Coupons for such interest upon surrender thereof, and in the case
of Registered Securities, to the Holder of such Registered Securities registered
as such on the relevant record date, subject to the terms and provisions of
Section 2.3 and 2.7 hereof.

          If any Security called for redemption shall not be so paid upon
surrender thereof for redemption, the principal shall, until paid or duly
provided for, bear interest from the date fixed for redemption at the rate of
interest or Yield to Maturity (in the case of an Original Issue Discount
Security) borne by such Security.

          If any Security with Coupons attached thereto is surrendered for
redemption and is not accompanied by all appurtenant Coupons maturing after the
date fixed for redemption, the surrender of such missing Coupon or Coupons may
be waived by the Issuer and the Trustee, if there be furnished to each of them
such security or indemnity as they may require to save each of them harmless.

          Upon presentation of any Security redeemed in part only, the Issuer
shall execute and the Trustee shall authenticate and deliver to or on the order
of the Holder thereof, at the expense of the Issuer, a new Security or
Securities of such series, of authorized denominations, in principal amount
equal to the unredeemed portion of the Security so presented.

                                       64

 
          SECTION 12.4  EXCLUSION OF CERTAIN SECURITIES FROM ELIGIBILITY FOR
SELECTION FOR REDEMPTION.  Securities shall be excluded from eligibility for
selection for redemption if they are identified by registration and certificate
number in an Officer's Certificate delivered to the Trustee at least 40 days
prior to the last date on which notice of redemption may be given as being owned
of record and beneficially by, and not pledged or hypothecated by, either (a)
the Issuer or (b) an entity specifically identified in such written statement as
directly or indirectly controlling or controlled by or under direct or indirect
common control with the Issuer.

          SECTION 12.5  MANDATORY AND OPTIONAL SINKING FUNDS.  The minimum
amount of any sinking fund payment provided for by the terms of the Securities
of any series is herein referred to as a "mandatory sinking fund payment," and
any payment in excess of such minimum amount provided for by the terms of the
Securities of any series is herein referred to as an "optional sinking fund
payment."  The date on which a sinking fund payment is to be made is herein
referred to as the "sinking fund payment date."

          In lieu of making all or any part of any mandatory sinking fund
payment with respect to any series of Securities in cash, the Issuer may at its
option (a) deliver to the Trustee Securities of such series theretofore
purchased or otherwise acquired (except upon redemption pursuant to the
mandatory sinking fund) by the Issuer or receive credit for Securities of such
series (not previously so credited) theretofore purchased or otherwise acquired
(except as aforesaid) by the Issuer and delivered to the Trustee for
cancellation pursuant to Section 2.10, (b) receive credit for optional sinking
fund payments (not previously so credited) made pursuant to this Section, or (c)
receive credit for Securities of such series (not previously so credited)
redeemed by the Issuer through any optional redemption provision contained in
the terms of such series.  Securities so delivered or credited shall be received
or credited by the Trustee at the sinking fund redemption price specified in
such Securities.

          On or before the 60th day next preceding each sinking fund payment
date for any series, the Issuer will deliver to the Trustee an Officer's
Certificate (which need not contain the statements required by Section 11.5) (a)
specifying the portion of the mandatory sinking fund payment to be satisfied by
payment of cash and the portion to be satisfied by credit of Securities of such
series and the basis for such credit, (b) stating that none of the Securities of
such series has theretofore been so credited, (c) stating that no defaults in
the payment of interest or Events of Default with respect to such series have
occurred (which have not been waived or cured) and are continuing and (d)
stating whether or not the Issuer intends to exercise its right to make an
optional sinking fund payment with respect to such series and, if so, specifying
the amount of such optional sinking fund payment which the Issuer intends to pay
on or before the next succeeding sinking fund payment date.  Any Securities of
such series to be credited and required to be delivered to the Trustee in order
for the Issuer to be entitled to credit therefor as aforesaid which have not
theretofore been delivered to the Trustee shall be delivered for cancellation
pursuant to Section 2.10 to the Trustee with such Officer's Certificate (or
reasonably promptly thereafter if acceptable to the Trustee).  Such Officer's
Certificate shall be irrevocable and upon its receipt by the Trustee the Issuer
shall become unconditionally obligated to make all the cash

                                       65

 
payments or payments therein referred to, if any, on or before the next
succeeding sinking fund payment date.  Failure of the Issuer, on or before any
such 60th day, to deliver such Officer's Certificate and Securities specified in
this paragraph, if any, shall not constitute a default but shall constitute, on
and as of such date, the irrevocable election of the Issuer (i) that the
mandatory sinking fund payment for such series due on the next succeeding
sinking fund payment date shall be paid entirely in cash without the option to
deliver or credit Securities of such series in respect thereof and (ii) that the
Issuer will make no optional sinking fund payment with respect to such series as
provided in this Section.

          If the sinking fund payment or payments (mandatory or optional or
both) to be made in cash on the next succeeding sinking fund payment date plus
any unused balance of any preceding sinking fund payments made in cash shall
exceed $50,000 (or the equivalent thereof in any Foreign Currency or ECU) or a
lesser sum in Dollars (or the equivalent thereof in any Foreign Currency or ECU)
if the Issuer shall so request with respect to the Securities of any particular
series, such cash shall be applied on the next succeeding sinking fund payment
date to the redemption of Securities of such series at the sinking fund
redemption price together with accrued interest to the date fixed for
redemption.  If such amount shall be $50,000 (or the equivalent thereof in any
Foreign Currency or ECU) or less and the Issuer makes no such request then it
shall be carried over until a sum in excess of $50,000 (or the equivalent
thereof in any Foreign Currency or ECU) is available.  The Trustee shall select,
in the manner provided in Section 12.2, for redemption on such sinking fund
payment date a sufficient principal amount of Securities of such series to
absorb said cash, as nearly as may be, and shall (if requested in writing by the
Issuer) inform the Issuer of the serial numbers of the Securities of such series
(or portions thereof) so selected.  Securities shall be excluded from
eligibility for redemption under this Section if they are identified by
registration and certificate number in an Officer's Certificate delivered to the
Trustee at least 60 days prior to the sinking fund payment date as being owned
of record and beneficially by, and not pledged or hypothecated by, either (a)
the Issuer or (b) an entity specifically identified in such Officer's
Certificate as directly or indirectly controlling or controlled by or under
direct or indirect common control with the Issuer.  The Trustee, in the name and
at the expense of the Issuer (or the Issuer, if it shall so request the Trustee
in writing) shall cause notice of redemption of the Securities of such series to
be given in substantially the manner provided in Section 12.2 (and with the
effect provided in Section 12.3) for the redemption of Securities of such series
in part at the option of the Issuer.  The amount of any sinking fund payments
not so applied or allocated to the redemption of Securities of such series shall
be added to the next cash sinking fund payment for such series and, together
with such payment, shall be applied in accordance with the provisions of this
Section.  Any and all sinking fund moneys held on the stated maturity date of
the Securities of any particular series (or earlier, if such maturity is
accelerated), which are not held for the payment or redemption of particular
Securities of such series shall be applied, together with other moneys, if
necessary, sufficient for the purpose, to the payment of the principal of, and
interest on, the Securities of such series at maturity.

                                       66

 
          On or before each sinking fund payment date, the Issuer shall pay to
the Trustee in cash or shall otherwise provide for the payment of all interest
accrued to the date fixed for redemption on Securities to be redeemed on the
next following sinking fund payment date.

          The Trustee shall not redeem or cause to be redeemed any Securities of
a series with sinking fund moneys or give any notice of redemption of Securities
for such series by operation of the sinking fund during the continuance of a
default in payment of interest on such Securities or of any Event of Default
except that, where the giving of notice of redemption of any Securities shall
theretofore have been made, the Trustee shall redeem or cause to be redeemed
such Securities, provided that it shall have received from the Issuer a sum
sufficient for such redemption.  Except as aforesaid, any moneys in the sinking
fund for such series at the time when any such default or Event of Default shall
occur, and any moneys thereafter paid into the sinking fund, shall, during the
continuance of such default or Event of Default be deemed to have been collected
under Article Five and held for the payment of all such Securities.  In case
such Event of Default shall have been waived as provided in Section 5.10 or the
default cured on or before the sixtieth day preceding the sinking fund payment
date in any year, such moneys shall thereafter be applied on the next succeeding
sinking fund payment date in accordance with this Section to the redemption of
such Securities.

                                       67

 
          IN WITNESS WHEREOF, the parties hereto have caused this Indenture to
be duly executed and attested as of the date first written above.


                              McKESSON CORPORATION

                              By: /s/ Richard H. Hawkins
                                  ---------------------------------
                                  Name:  Richard H. Hawkins
                                  Title: Vice President and
                                           Chief Financial Officer



Attest:



By:  /s/ Lorraine Peetz
     ------------------



                              THE FIRST NATIONAL BANK OF CHICAGO, 
                                  as Trustee


                              By: /s/ Richard D. Manella
                                  -----------------------------
                                  Name:  Richard D. Manella
                                  Title: Vice President



Attest:


By:  /s/ Janice Ott Rotunno
     ---------------------------
     Assistant Vice President
     Assistant Secretary