AMERITECH CORP /DE/
S-3, 1997-12-23
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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<PAGE>
 
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON DECEMBER 23, 1997
                                                    REGISTRATION NO. 333-
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                                ---------------
                                   FORM S-3
                            REGISTRATION STATEMENT
                                     UNDER
                          THE SECURITIES ACT OF 1933
                                ---------------
         AMERITECH CORPORATION                    AMERITECH CAPITAL
                                                 FUNDING CORPORATION
          (EXACT NAME OF REGISTRANTS AS SPECIFIED IN THEIR CHARTERS)
               DELAWARE                               DELAWARE
    (STATE OR OTHER JURISDICTION OF        (STATE OR OTHER JURISDICTION OF
    INCORPORATION OR ORGANIZATION)         INCORPORATION OR ORGANIZATION)
              36-3251481                             36-3675771
 (I.R.S. EMPLOYER IDENTIFICATION NO.)   (I.R.S. EMPLOYER IDENTIFICATION NO.)
                                                  RICHARD M. PEHLKE
                                            VICE PRESIDENT AND TREASURER
         30 SOUTH WACKER DRIVE                  AMERITECH CORPORATION
        CHICAGO, ILLINOIS 60606                 30 SOUTH WACKER DRIVE
            (800) 257-0902                     CHICAGO, ILLINOIS 60606
   (ADDRESS, INCLUDING ZIP CODE, AND               (800) 257-0902
      TELEPHONE NUMBER, INCLUDING        (NAME, ADDRESS, INCLUDING ZIP CODE,
    AREA CODE, OF BOTH REGISTRANTS'                      AND
     PRINCIPAL EXECUTIVE OFFICES)      TELEPHONE NUMBER, INCLUDING AREA CODE,
                                            OF AGENT FOR SERVICE FOR BOTH
                                                    REGISTRANTS)
                                ---------------
                                  COPIES TO:
      KELLY R. WELSH           SUSAN E. CREMIN            ROBERT E. CURLEY
 EXECUTIVE VICE PRESIDENT      WINSTON & STRAWN            EDWARD S. BEST
   AND GENERAL COUNSEL       35 WEST WACKER DRIVE       MAYER, BROWN & PLATT
  AMERITECH CORPORATION    CHICAGO, ILLINOIS 60601    190 SOUTH LASALLE STREET
  30 SOUTH WACKER DRIVE                               CHICAGO, ILLINOIS 60603
 CHICAGO, ILLINOIS 60606
 
  APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: From time
to time after the effective date of the Registration Statement, as determined
by market conditions.
  If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the
following box. [_]
  If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or
interest reinvestment plans, check the following box. [X]
  If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following
box and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [_]
  If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
  If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]
                        CALCULATION OF REGISTRATION FEE
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                       PROPOSED
                                                        PROPOSED       MAXIMUM
                                                        MAXIMUM       AGGREGATE
     TITLE OF EACH CLASS OF         AMOUNT TO BE     OFFERING PRICE    OFFERING       AMOUNT OF
   SECURITIES TO BE REGISTERED       REGISTERED       PER UNIT(1)      PRICE(1)    REGISTRATION FEE
- ---------------------------------------------------------------------------------------------------
<S>                               <C>                <C>            <C>            <C>
Debt Securities--to be issued by
 Ameritech Capital Funding Cor-
 poration.......................   $1,650,000,000(2)      100%      $1,650,000,000   $486,750(3)
Guarantees of the Debt Securi-
 ties by Ameritech Corporation..
</TABLE>
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
(1) Estimated solely for the purpose of calculating the registration fee.
(2) The aggregate principal amount of the Debt Securities to be issued may be
    increased, if any Debt Securities are issued at an original issue
    discount, by an amount such that the net proceeds to be received by
    Ameritech Capital Funding Corporation shall be equal to the above amount
    to be registered. Any offering of Debt Securities denominated other than
    in U.S. dollars will be treated as the equivalent in U.S. dollars based on
    the exchange rate applicable to the purchase of such Debt Securities from
    Ameritech Capital Funding Corporation.
(3) Under Rule 457(n), no fee is payable with respect to the Guarantees.
  Under Rule 429 under the Securities Act of 1933, the Prospectus and
Prospectus Supplement constituting a part of this Registration Statement also
relate to $350,000,000 principal amount of Ameritech Capital Funding
Corporation's Debt Securities and the related Guarantees of such Debt
Securities by Ameritech Corporation registered by the Registrants under the
Securities Act of 1933 in Registration Statement No. 33-60067.
  THE REGISTRANTS HEREBY AMEND THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANTS
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS
REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH
SECTION 8(A) OF THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT
SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID
SECTION 8(A), MAY DETERMINE.
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>
 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A         +
+REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE   +
+SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY  +
+OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT        +
+BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR   +
+THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE      +
+SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE    +
+UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF  +
+ANY SUCH STATE.                                                               +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
                 SUBJECT TO COMPLETION--DATED DECEMBER 23, 1997
 
                     AMERITECH CAPITAL FUNDING CORPORATION
 
                                DEBT SECURITIES
 
             UNCONDITIONALLY GUARANTEED AS TO PAYMENT OF PRINCIPAL,
                        PREMIUM, IF ANY, AND INTEREST BY
 
                             AMERITECH CORPORATION
                                  -----------
 
  Ameritech Capital Funding Corporation ("Capital Funding") from time to time
may offer its unsecured notes, debentures, or other debt securities (the "Debt
Securities"), in one or more series, in an aggregate principal amount
sufficient to result in net proceeds to Capital Funding of up to U.S.
$2,000,000,000 (or its equivalent in foreign denominated currencies or European
Currency Units or other composite currencies). Debt Securities may be issued in
registered form without coupons ("Registered Securities"), bearer form with or
without coupons attached ("Bearer Securities") or in the form of one or more
global securities (each a "Global Security"). All Debt Securities will be
unconditionally guaranteed as to payment of principal, premium, if any, and
interest (the "Guarantees") by Ameritech Corporation ("Ameritech").
 
  When a particular series of Debt Securities is offered, a supplement to this
Prospectus will be delivered (the "Prospectus Supplement") together with this
Prospectus setting forth the terms of such Debt Securities, including, where
applicable, the specific designation, aggregate principal amount, currency or
currencies in which the principal, premium, if any, and interest are payable,
denominations, maturity, rate (which may be fixed or variable) and time of
payment of interest, any terms for redemption, any terms for repayment at the
option of the holder, any terms for sinking fund payments, the initial public
offering price, the names of, and the principal amounts to be purchased by or
sold through, underwriters, agents or dealers and the compensation of such
underwriters, agents or dealers, any listing of the Debt Securities on a
securities exchange and other terms or information in connection with the
offering and sale of such Debt Securities.
 
  Capital Funding may sell the Debt Securities to or through dealers or
underwriters, directly to other purchasers or through agents. If an agent of
Capital Funding or a dealer or an underwriter is involved in the sale of the
Debt Securities in respect of which this Prospectus is being delivered, the
agent's commission or dealer's or underwriter's discount will be set forth in,
or may be calculated from, the Prospectus Supplement. The net proceeds to
Capital Funding from such sale, which will be set forth in the Prospectus
Supplement, will be the purchase price of such Debt Securities less such
commission in the case of an agent, the purchase price of such Debt Securities
in the case of a dealer or the public offering price less such discount in the
case of an underwriter, and less, in each case, the other attributable issuance
expenses. See "Plan of Distribution" for possible indemnification arrangements
for any agents, dealers or underwriters.
 
  This Prospectus may not be used to consummate sales of Debt Securities unless
accompanied by the Prospectus Supplement applicable to the Debt Securities
being sold.
                                  -----------
 
THESE  SECURITIES HAVE  NOT  BEEN  APPROVED OR  DISAPPROVED  BY THE  SECURITIES
AND  EXCHANGE  COMMISSION  OR  ANY  STATE SECURITIES  COMMISSION  NOR  HAS  THE
 SECURITIES AND EXCHANGE COMMISSION OR  ANY STATE SECURITIES COMMISSION PASSED
 UPON THE  ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION  TO THE
  CONTRARY IS A CRIMINAL OFFENSE.
 
                                  -----------
 
               The date of this Prospectus is             , 199 .
<PAGE>
 
                             AVAILABLE INFORMATION
 
  Ameritech is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith files reports, proxy statements and other information with the
Securities and Exchange Commission (the "Commission"). Reports, proxy
statements and other information filed by Ameritech may be inspected and
copied at the public reference facilities maintained by the Commission at
Judiciary Plaza, 450 Fifth Street, N.W., Room 1024, Washington, D.C. 20549,
and at the Commission's Regional Offices located at Citicorp Center, 500 West
Madison Street, Suite 1400, Chicago, Illinois 60661-2511 and at Seven World
Trade Center, Suite 1300, New York, New York 10048. Copies of such materials
can be obtained by mail from the Public Reference Branch of the Commission at
450 Fifth Street, N.W., Washington, D.C. 20549 at prescribed rates. Such
material may also be inspected and copied at the offices of the New York,
Boston, Chicago, Philadelphia and Pacific Stock Exchanges, on each of which
exchanges certain of Ameritech's securities are listed. These materials are
also available electronically through the Commission's web site at
http://www.sec.gov.
 
  Ameritech and Capital Funding have filed with the Commission a registration
statement on Form S-3 (herein, together with all amendments and exhibits,
referred to as the "Registration Statement") under the Securities Act of 1933,
as amended (the "Securities Act"). This Prospectus does not contain all of the
information set forth in the Registration Statement, certain parts of which
are omitted in accordance with the rules and regulations of the Commission.
For further information, reference is made to the Registration Statement.
 
  The Commission's Office of Chief Counsel, Division of Corporation Finance,
has indicated to Capital Funding that, in connection with the issuance of the
Debt Securities, it will not raise any objection if Capital Funding does not
file periodic reports pursuant to Sections 13(a) and 15(d) of the Exchange
Act. Accordingly, Capital Funding will not file such periodic reports.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
  The following documents filed by Ameritech with the Commission (File No. 1-
8612) are incorporated herein by reference:
 
    1. Ameritech's Annual Report on Form 10-K for the fiscal year ended
  December 31, 1996.
 
    2. Ameritech's Quarterly Report on Form 10-Q for the quarters ended March
  31, 1997, June 30, 1997 and September 30, 1997.
 
    3. Ameritech's Current Reports on Form 8-K dated January 13, 1997, April
  15, 1997, July 15, 1997, October 14, 1997 and December 17, 1997.
 
  All documents filed by Ameritech pursuant to Section 13(a), 13(c), 14 or
15(d) of the Exchange Act subsequent to the date of this Prospectus and prior
to the termination of the offering of the Debt Securities shall be deemed to
be incorporated by reference into this Prospectus and to be a part hereof from
the date of filing of such documents.
 
  Any statement contained in a document incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded
for purposes of this Prospectus to the extent that a statement contained
herein or in any other subsequently filed document which also is or is deemed
to be incorporated by reference herein modifies or supersedes such statement.
Any such statement so modified or superseded shall not be deemed, except as so
modified or superseded, to constitute a part of this Prospectus.
 
  Ameritech and Capital Funding will provide without charge to each person,
including any beneficial owner, to whom a Prospectus is delivered, upon
written or oral request of such person, a copy of any or all of the documents
which are incorporated by reference herein, other than exhibits to such
 
                                       2
<PAGE>
 
documents which are not specifically incorporated by reference therein.
Requests should be directed to the Director, Investor Relations, Ameritech
Corporation, 30 South Wacker Drive, 35th Floor, Chicago, Illinois 60606,
telephone (800) 257-0902.
 
                             AMERITECH CORPORATION
 
  Ameritech, a holding company incorporated in 1983 under the laws of the
State of Delaware, has its principal executive offices at 30 South Wacker
Drive, Chicago, Illinois 60606 (telephone number (800) 257-0902). Ameritech
provides a wide range of communications services, including local and long
distance telephone service, cellular, paging, security monitoring, cable TV,
electronic commerce and on-line services.
 
                     AMERITECH CAPITAL FUNDING CORPORATION
 
  Capital Funding was established to provide financing to Ameritech and to the
direct and indirect subsidiaries of Ameritech. Capital Funding may raise funds
through the offering of Debt Securities in the United States, Europe, and
other overseas markets and will lend the net proceeds to Ameritech or one or
more subsidiaries of Ameritech. Capital Funding does not and will not engage
in any separate business activities. All of the Debt Securities will be
unconditionally guaranteed as to payment of principal, premium, if any, and
interest by Ameritech.
 
  Capital Funding was incorporated under the laws of the State of Delaware in
May 1989, and is a wholly owned subsidiary of Ameritech. Capital Funding
became a close corporation under Delaware law effective January 1, 1990. The
principal executive offices of Capital Funding are located at 30 South Wacker
Drive, Chicago, Illinois 60606 (telephone number (800) 257-0902).
 
                              RECENT DEVELOPMENTS
 
  On December 22, 1997, Ameritech announced that it intends to make a public
sale of its shares in Telecom Corporation of New Zealand ("Telecom New
Zealand"). As of December 22, Ameritech's 24.95% ownership in Telecom New
Zealand was valued at approximately $2.2 billion. Ameritech's offering of
Telecom New Zealand shares is expected to take place in the first half of
1998.
 
  Ameritech and Bell Atlantic Corporation ("Bell Atlantic") purchased Telecom
New Zealand, the state-owned telecom company, for $2.46 billion in September
1990. As a condition of purchase, the New Zealand government required
Ameritech and Bell Atlantic to reduce their combined ownership position to
less than 50% by September 1994. In 1991, Ameritech and Bell Atlantic sold a
31% stake to the public in Telecom New Zealand's initial public offering. The
remaining sales to meet the government's ownership requirement were completed
in 1993.
 
                RATIO OF EARNINGS TO FIXED CHARGES OF AMERITECH
 
  The following table sets forth the ratio of earnings to fixed charges of
Ameritech for the periods indicated.
 
<TABLE>
<CAPTION>
      NINE MONTHS ENDED
        SEPTEMBER 30,                         YEAR ENDED DECEMBER 31,
      --------------------          ---------------------------------------------------------------------
       1997         1996            1996           1995           1994           1993           1992
      ------       ------           ----           ----           ----           ----           ----
      <S>          <C>              <C>            <C>            <C>            <C>            <C>
        6.93         6.18           6.14           6.45           4.40           5.29           4.50
</TABLE>
 
  Results for 1995 reflect a $134 million pretax credit primarily from
settlement gains resulting from lump sum pension payments from the Ameritech
pension plan to former employees who left the business in the nonmanagement
work force restructuring, partially offset by $74 million associated with
increased force costs related to the work force restructuring, started in
1994, as well as a $58 million charge recorded to write down certain data
processing equipment to net realizable value. Results for 1994 reflect a $728
million pretax charge associated with the nonmanagement work force
 
                                       3
<PAGE>
 
restructuring. Costs of the work force restructuring program have largely been
funded from the Ameritech pension plan.
 
                                USE OF PROCEEDS
 
  The net proceeds from the sale of the Debt Securities will be used to provide
funds for Ameritech and subsidiaries of Ameritech.
 
  Capital Funding will invest in or loan to Ameritech or one or more of the
subsidiaries of Ameritech at least 85% of the cash raised by Capital Funding
hereunder as soon as practicable after receipt, but in no event later than six
months after Capital Funding receives such cash. In the interim, Capital
Funding will invest any funds held by it only in securities permitted by Rule
3a-5(a)(6) of the Commission under the Investment Company Act of 1940, as
amended.
 
                 DESCRIPTION OF DEBT SECURITIES AND GUARANTEES
 
  The following description sets forth certain general terms and provisions of
the Debt Securities and Guarantees to which any Prospectus Supplement may
relate. The particular terms and provisions of the series of Debt Securities
offered by a Prospectus Supplement (the "Offered Debt Securities"), and the
extent to which such general terms and provisions described below may apply
thereto, will be described in the Prospectus Supplement relating to such
Offered Debt Securities.
 
  The Debt Securities are to be issued under an Indenture dated as of October
1, 1997 (the "Indenture"), among Ameritech, Capital Funding and Bank One, NA
(successor to Harris Trust and Savings Bank), as trustee (the "Trustee"), a
form of which is filed as an exhibit to the Registration Statement of which
this Prospectus is a part.
 
  The following summaries of certain provisions of the Debt Securities, the
Guarantees and the Indenture do not purport to be complete and are subject to,
and are qualified in their entirety by reference to, all provisions of the Debt
Securities, the Guarantees and the Indenture, including the definitions therein
of capitalized terms which are used but are not defined herein. All section
references used herein are to sections in the Indenture.
 
GENERAL
 
  The Indenture does not limit the amount of Debt Securities that may be issued
thereunder and provides that Debt Securities may be issued thereunder from time
to time in one or more series. (Section 301). The Indenture does not limit the
amount of other indebtedness or securities which may be issued by Capital
Funding.
 
  Each series of Debt Securities will constitute unsecured and unsubordinated
indebtedness of Capital Funding, will rank on a parity with Capital Funding's
other unsecured and unsubordinated indebtedness and will have the benefit of
the Guarantees described below.
 
  The Indenture does not contain covenants or other provisions designed to
afford Holders (as defined in the Indenture) of the Debt Securities protection
in the event of a highly leveraged transaction, change in credit rating or
other similar occurrence.
 
  Reference is made to the Prospectus Supplement relating to the particular
Offered Debt Securities offered thereby for the following terms of the Offered
Debt Securities: (i) the title of the Offered Debt Securities or the particular
series thereof; (ii) any limit on the aggregate principal amount of the Offered
Debt Securities; (iii) whether the Offered Debt Securities are to be issuable
as Registered Securities or Bearer Securities or both, whether any of the
Offered Debt Securities are to be issuable initially in temporary global form
and whether any of the Offered Debt Securities are to be issuable in permanent
global form; (iv) the price or prices (generally expressed as a percentage of
the aggregate principal amount thereof) at which the Offered Debt Securities
will be issued; (v) the date or dates on which the Offered Debt Securities will
mature; (vi) the rate or rates per annum, or the formula by which such rate or
rates shall be determined, at which the Offered Debt Securities will bear
interest, if any, and the
 
                                       4
<PAGE>
 
dates from which any such interest will accrue; (vii) the interest payment
dates (the "Interest Payment Dates") on which any such interest on the Offered
Debt Securities will be payable, the regular record date (the "Regular Record
Date") for any interest payable on any Offered Debt Securities that are
Registered Securities on any Interest Payment Date and the extent to which, or
the manner in which, any interest payable on a Security issued in global form
(a "Global Security") on an Interest Payment Date will be paid if other than in
the manner described below under "Global Securities"; (viii) any mandatory or
optional sinking fund or analogous provisions; (ix) each office or agency
where, subject to the terms of the Indenture as described below under "Payments
and Paying Agents", the principal of and any premium and interest on the
Offered Debt Securities will be payable and each office or agency where,
subject to the terms of the Indenture as described below under "Denominations,
Registration and Transfer", the Offered Debt Securities may be presented for
registration of transfer or exchange; (x) the date, if any, after which and the
price or prices at which the Offered Debt Securities may, pursuant to any
optional or mandatory redemption provisions, be redeemed, in whole or in part,
and the other detailed terms and provisions of any such optional or mandatory
redemption provisions; (xi) the date, if any, after which and the price or
prices at which the Offered Debt Securities will be repayable at the option of
the holder thereof prior to maturity; (xii) the denominations in which any
Offered Debt Securities which are Registered Securities will be issuable, if
other than denominations of U.S. $1,000 and any integral multiple thereof, and
the denominations in which any Offered Debt Securities which are Bearer
Securities will be issuable, if other than denominations of U.S. $5,000; (xiii)
the currency or currencies of payment of principal of and any premium and
interest on the Offered Debt Securities; (xiv) any index used to determine the
amount of payments of principal of and any premium and interest on the Offered
Debt Securities; (xv) any additional covenants applicable to the Offered Debt
Securities; and (xvi) any other terms and provisions of the Offered Debt
Securities not inconsistent with the terms and provisions of the Indenture. Any
such Prospectus Supplement will also describe any special provisions for the
payment of additional amounts with respect to the Offered Debt Securities.
(Section 301).
 
  If the purchase price of any of the Debt Securities is denominated in a
foreign currency or currencies or foreign currency unit or units or if the
principal of and any premium and interest on any series of Debt Securities is
payable in a foreign currency or currencies or foreign currency unit or units,
the restrictions, elections, general tax considerations, specific terms and
other information with respect to such issue of Debt Securities and such
foreign currency or currencies or foreign currency unit or units will be set
forth in the applicable Prospectus Supplement.
 
  Some of the Debt Securities may be issued as original issue discount
securities (bearing no interest or interest at a rate which at the time of
issuance is below market rates) to be sold at a substantial discount below
their stated principal amount. Federal income tax considerations and other
special considerations applicable to original issue discount securities will be
set forth in the applicable Prospectus Supplement.
 
GUARANTEES
 
  Ameritech will unconditionally guarantee the due and punctual payment of the
principal, premium, if any, and interest on the Debt Securities when and as the
same shall become due and payable, whether at maturity, upon redemption, or
otherwise. (Sections 311 and 312). The Guarantees will rank equally with all
other unsecured and unsubordinated obligations of Ameritech. Since Ameritech is
a holding company, the right of Ameritech and, hence, the right of creditors of
Ameritech (including the holders of the Debt Securities) to participate in any
distribution of the assets of any subsidiary of Ameritech, whether upon
liquidation, reorganization, or otherwise, is subject to prior claims of
creditors of each such subsidiary, except to the extent that claims of
Ameritech itself as a creditor of a subsidiary may be allowed. The right of
creditors of Ameritech (including the holders of the Debt Securities) to
participate in the distribution of the stock owned by Ameritech in certain
subsidiaries of Ameritech, including the Ameritech landline telephone
companies, may also be subject to approval by certain state and federal
regulatory authorities having jurisdiction over such subsidiaries.
 
                                       5
<PAGE>
 
DENOMINATIONS, REGISTRATION AND TRANSFER
 
  The Debt Securities will be issuable as Registered Securities, Bearer
Securities or both. Debt Securities may be issuable in the form of one or more
Global Securities, as described below under "Global Securities". Unless
otherwise provided in the applicable Prospectus Supplement, Registered
Securities denominated in U.S. dollars will be issued only in denominations of
$1,000 or any integral multiple thereof and Bearer Securities denominated in
U.S. dollars will be issued only in the denomination of $5,000 with coupons
attached. A Global Security will be issued in a denomination equal to the
aggregate principal amount of outstanding Debt Securities represented by such
Global Security. The Prospectus Supplement relating to Debt Securities
denominated in a foreign or composite currency will specify the denominations
thereof. (Sections 201, 203, 301 and 302).
 
  In connection with its original issuance, no Bearer Security shall be
offered, sold, resold or otherwise delivered to any location in the United
States (or its possessions) or to a United States person (each as defined in
the Code and the regulations thereunder) except in certain narrow
circumstances. (Sections 303 and 304). See "Global Securities" and "Certain
Limitations on Issuance of Bearer Securities" below.
 
  Registered Securities of any series will be exchangeable for other
Registered Securities of the same series and of a like aggregate principal
amount and tenor of different authorized denominations. In addition, if Debt
Securities of any series are issuable as both Registered Securities and as
Bearer Securities, at the option of the holder upon request confirmed in
writing, and subject to the terms of the Indenture, Bearer Securities (with
all unmatured coupons, except as provided below, and all matured coupons in
default attached) of such series will be exchangeable for Registered
Securities of the same series of any authorized denominations and of a like
aggregate principal amount and tenor. Unless otherwise indicated in an
applicable Prospectus Supplement, any Bearer Security surrendered in exchange
for a Registered Security between a Regular Record Date or a Special Record
Date and the relevant date for payment of interest shall be surrendered
without the coupon relating to such date for payment of interest attached and
interest will not be payable in respect of the Registered Security issued in
exchange for such Bearer Security, but will be payable only to the holder of
such coupon when due in accordance with the terms of the Indenture. Except as
provided in an applicable Prospectus Supplement, Bearer Securities will not be
issued in exchange for Registered Securities. (Section 305).
 
  Debt Securities may be presented for exchange as provided above, and
Registered Securities (other than a Global Security) may be presented for
registration of transfer (with the form of transfer duly executed), at the
office of the Security Registrar designated by Capital Funding or at the
office of any transfer agent designated by Capital Funding for such purpose
with respect to any series of Debt Securities and referred to in an applicable
Prospectus Supplement, without service charge and upon payment of any taxes
and other governmental charges as described in the Indenture. Such transfer or
exchange will be effected upon the Security Registrar or such transfer agent,
as the case may be, being satisfied with the documents of title and identity
of the person making the request. Capital Funding has initially appointed the
Trustee as the Security Registrar under the Indenture. (Section 305). If a
Prospectus Supplement refers to any transfer agent (in addition to the
Security Registrar) initially designated by Capital Funding with respect to
any series of Debt Securities, Capital Funding may at any time rescind the
designation of any such transfer agent or approve a change in the location
through which any such transfer agent acts, except that, if Debt Securities of
a series are issuable only as Registered Securities, Capital Funding will be
required to maintain a transfer agent in each Place of Payment for such series
and, if Debt Securities of a series are issuable as Bearer Securities, Capital
Funding will be required to maintain (in addition to the Security Registrar) a
transfer agent in a Place of Payment for such series located outside the
United States. Capital Funding may at any time designate additional transfer
agents with respect to any series of Debt Securities. (Section 1002).
 
                                       6
<PAGE>
 
  In the event of any redemption in part, Capital Funding shall not be
required to (i) issue, register the transfer of or exchange Debt Securities of
any series during a period beginning at the opening of business 15 days before
any selection of Debt Securities of that series to be redeemed and ending at
the close of business on (a) if Debt Securities of the series are issuable
only as Registered Securities, the day of mailing of the relevant notice of
redemption or (b) if Debt Securities of the series are issuable only as Bearer
Securities, the day of the first publication of the relevant notice of
redemption or, if Debt Securities of that series are also issuable as
Registered Securities and there is no publication, the mailing of the relevant
notice of redemption; (ii) register the transfer of or exchange any Registered
Security, or portion thereof, called for redemption, except the unredeemed
portion of any Registered Security being redeemed in part; or (iii) exchange
any Bearer Security called for redemption, except that such a Bearer Security
may be exchanged for a Registered Security of that series and like tenor,
provided that such Registered Security is immediately surrendered for
redemption. (Section 305).
 
PAYMENTS AND PAYING AGENTS
 
  Unless otherwise indicated in an applicable Prospectus Supplement, payment
of principal of and any premium and interest on Registered Securities (other
than a Global Security) will be made at the office of such Paying Agent or
Paying Agents as Capital Funding may designate from time to time, except that,
at the option of Capital Funding, payment of any interest may be made (i) by
check mailed to the address of the payee entitled thereto as such address
shall appear in the Security Register or (ii) by wire transfer to an account
maintained by such payee as specified in the Security Register. (Sections 305,
307 and 1002). Unless otherwise indicated in an applicable Prospectus
Supplement, payment of any installment of interest on Registered Securities
will be made to the person in whose name such Registered Security is
registered at the close of business on the Regular Record Date for such
interest payment. (Section 307).
 
  Unless otherwise indicated in an applicable Prospectus Supplement, payment
of principal of and any premium and interest on Bearer Securities will be
payable (subject to applicable laws and regulations) at the offices of such
Paying Agent or Paying Agents outside the United States as Capital Funding may
designate from time to time, except that, at the option of Capital Funding,
payment of any interest may be made by check or by wire transfer to an account
maintained by the payee outside the United States (or its possessions).
(Sections 307 and 1002). Unless otherwise indicated in an applicable
Prospectus Supplement, payment of interest on Bearer Securities on any
Interest Payment Date will be made only against surrender of the coupon
relating to such Interest Payment Date. (Section 1001). No payment with
respect to any Bearer Security will be made at any office or agency of Capital
Funding in the United States (or its possessions) or by check mailed to any
address in the United States (or its possessions) or by transfer to an account
maintained in the United States (or its possessions). Payments will not be
made in respect of Bearer Securities or coupons appertaining thereto pursuant
to presentation to Capital Funding or its Paying Agents within the United
States (or its possessions) or any other demand for payment to Capital Funding
or its Paying Agents within the United States (or its possessions).
Notwithstanding the foregoing, payment of principal of and any premium and
interest on Bearer Securities denominated and payable in U.S. dollars will be
made at the office of Capital Funding's Paying Agent in the United States if,
and only if, payment of the full amount thereof in U.S. dollars at all offices
or agencies outside the United States (or its possessions) is illegal or
effectively precluded by exchange controls or other similar restrictions.
(Section 1002).
 
  Unless otherwise indicated in an applicable Prospectus Supplement, the
Trustee will serve as Paying Agent and the Corporate Trust Office of the
Trustee will be designated as Capital Funding's Paying Agent office for
payments with respect to Debt Securities which are issuable solely as
Registered Securities. Any Paying Agent outside the United States and any
other Paying Agent in the United States initially designated by Capital
Funding for the Debt Securities will be named in the
 
                                       7
<PAGE>
 
applicable Prospectus Supplement. Capital Funding may at any time designate
additional Paying Agents or rescind the designation of any Paying Agent or
approve a change in the office through which any Paying Agent acts, except
that, if Debt Securities of a series are issuable only as Registered
Securities, Capital Funding will be required to maintain a Paying Agent in
each Place of Payment for such series and, if Debt Securities of a series are
issuable as Bearer Securities, Capital Funding will be required to maintain
(i) a Paying Agent in each Place of Payment for such series in the United
States for payments with respect to any Registered Securities of such series
(and for payments with respect to Bearer Securities of such series in the
circumstances described above, but not otherwise), (ii) a Paying Agent in each
Place of Payment located outside the United States where (subject to
applicable laws and regulations) Debt Securities of such series and any
coupons appertaining thereto may be presented and surrendered for payment;
provided that if the Debt Securities of such series are listed on The
International Stock Exchange, the London or the Luxembourg Stock Exchange or
any other stock exchange located outside the United States and such stock
exchange shall so require, Capital Funding will maintain a Paying Agent in
London or Luxembourg City or any other required city located outside the
United States, as the case may be, for Debt Securities of such series, and
(iii) a Paying Agent in each Place of Payment located outside the United
States where (subject to applicable laws and regulations) Registered
Securities of such series may be surrendered for registration of transfer or
exchange and where notices and demands to or upon Capital Funding may be
served. (Section 1002).
 
  All moneys paid by Capital Funding to a Paying Agent for the payment of
principal of and any premium and interest on any Debt Security that remains
unclaimed at the end of two years after such principal, premium or interest
shall have become due and payable will be repaid to Capital Funding and
thereafter the holder of such Debt Security or any coupon appertaining thereto
will look only to Capital Funding for payment thereof. (Section 1003).
 
GLOBAL SECURITIES
 
  The Debt Securities of a series may be issued in whole or in part in the
form of one or more Global Securities that will be deposited with, or on
behalf of, a depositary identified in the applicable Prospectus Supplement
(the "Depository"). Global Securities may be issued in either registered or
bearer form and in either temporary or permanent form. (Section 305). Unless
and until it is exchanged for Debt Securities in definitive form, a temporary
Global Security in registered form may not be transferred except as a whole by
the Depository for such Global Security to a nominee of such Depository or by
a nominee of such Depository to such Depository or another nominee of such
Depository or by such Depository or any such nominee to a successor of such
Depository or a nominee of such successor. (Section 304).
 
  The specific terms of the depositary arrangement with respect to a series of
Debt Securities or any part thereof will be described in the applicable
Prospectus Supplement. Capital Funding anticipates that the following
provisions will apply to all depositary arrangements relating to Global
Securities.
 
  Upon the issuance of a Global Security, the Depository for such Global
Security or its nominee will credit the accounts of persons holding a
beneficial interest in such Global Security with the respective principal
amounts of the Debt Securities represented by such Global Security. Such
accounts shall be designated by the underwriters or agents with respect to
such Debt Securities or by Capital Funding if such Debt Securities are offered
and sold directly by Capital Funding. Ownership of beneficial interests in a
Global Security will be limited to persons that have accounts with the
Depository for such Global Security or its nominee ("participants") or persons
that may hold interests through participants. Ownership of beneficial
interests in such Global Security will be shown on, and the transfer of that
ownership will be effected only through, records maintained by the Depository
or its nominee (with respect to interests of participants) for such Global
Security and on the records of
 
                                       8
<PAGE>
 
participants (with respect to interests of persons other than participants).
The laws of some states require that certain purchasers of securities take
physical delivery of such securities in definitive form. Such limitation and
such laws may impair the ability to transfer beneficial interests in a Global
Security.
 
  So long as the Depository for a Global Security, or its nominee, is the
registered owner of such Global Security, such Depository or such nominee, as
the case may be, will be considered the sole owner or holder of the Debt
Securities represented by such Global Security for all purposes under the
Indenture. (Section 308). Except as provided below, owners of beneficial
interests in a Global Security will not be entitled to have Debt Securities
represented by such Global Security registered in their names, will not
receive or be entitled to receive physical delivery of such Debt Securities in
definitive form and will not be considered the owners or holders thereof under
the Indenture.
 
  Payment of principal of and any premium and interest on Debt Securities
registered in the name of a Depository or its nominee will be made to the
Depository or its nominee, as the case may be, as the registered owner of the
Global Security representing such Debt Securities. Neither Capital Funding,
Ameritech, the Trustee, any Paying Agent nor the Security Registrar for such
Debt Securities will have any responsibility or liability for any aspect of
the records relating to or payments made on account of beneficial ownership
interests of the Global Security for such Debt Securities or for maintaining,
supervising or receiving any records relating to such beneficial ownership
interests.
 
  Subject to the restrictions discussed under "Certain Limitations on Issuance
of Bearer Securities" below, Capital Funding expects that the Depository or
its nominee, as the case may be, upon receipt of any payment of principal,
premium or interest, will credit immediately participants' accounts with
payments in amounts proportionate to their respective beneficial interests in
the principal amount of the Global Security for such Debt Securities as shown
on the records of such Depository or its nominee. Capital Funding also expects
that payments by participants to owners of beneficial interests in such Global
Security held through such participants will be governed by standing
instructions and customary practices, as is now the case with securities held
for the accounts of customers in bearer form or registered in "street name",
and will be the responsibility of such participants. Receipt by owners of
beneficial interests in a temporary Global Security of payments in respect of
such temporary Global Security will be subject to restrictions discussed under
"Certain Limitations on Issuance of Bearer Securities" below.
 
  If the Depository is at any time unwilling or unable to continue as
depository and a successor depository is not appointed by Capital Funding
within 90 days, Capital Funding will issue Debt Securities of such series in
definitive form in exchange for the Global Security representing such series
of Debt Securities. In addition, Capital Funding may at any time and in its
sole discretion determine not to have the Registered Securities of a series
represented by a Global Security and, in such event, Capital Funding will
issue Registered Securities of such series in definitive form in exchange for
the Global Security representing such series of Registered Securities.
Further, if Capital Funding so specifies with respect to the Debt Securities
of a series, an owner of a beneficial interest in a Global Security
representing Debt Securities of such series may, on terms acceptable to
Capital Funding and the Depository, receive Debt Securities of such series in
definitive form. In any such instance, an owner of a beneficial interest in a
Global Security will be entitled to physical delivery in definitive form of
Debt Securities of the series represented by such Global Security equal in
principal amount to such beneficial interest and to have such Debt Securities
registered in its name (if the Debt Securities of such series are issuable as
Registered Securities). Debt Securities of such series so issued in definitive
form will be issued (i) as Registered Securities in denominations, unless
otherwise specified by Capital Funding, of U.S. $1,000 and integral multiples
thereof if the Debt Securities of such series are issuable as Registered
Securities, (ii) as Bearer Securities in denominations, unless otherwise
specified by Capital Funding, of U.S. $5,000 with coupons attached if the Debt
Securities of such series are issuable as Bearer Securities, or (iii) as
either Registered or Bearer Securities, if the Debt
 
                                       9
<PAGE>
 
Securities of such series are issuable in either form. (Section 305). See,
however, "Certain Limitations on Issuance of Bearer Securities" below for a
description of certain restrictions on the issuance of a Bearer Security in
definitive form in exchange for an interest in a Global Security.
 
CERTAIN LIMITATIONS ON ISSUANCE OF BEARER SECURITIES
 
  In compliance with United States federal tax laws and regulations, Bearer
Securities may not be offered, sold, resold or delivered in connection with
their original issue in the United States (or its possessions) or to United
States persons (each as defined in the Code and the regulations thereunder)
other than (subject to certain certification requirements) to offices located
outside of the United States of United States financial institutions which
agree to comply with the requirements of Section 165(j)(3)(A), (B) or (C) of
the Code and the regulations thereunder, and any underwriters, agents and
dealers participating in the offering of Debt Securities must agree that they
will not offer any Bearer Securities for sale or resale in the United States
(or its possessions) or to United States persons (other than the financial
institutions described above) nor deliver Bearer Securities within the United
States (or its possessions).
 
  Bearer Securities and any coupons appertaining thereto will bear a legend
substantially to the following effect: "Any United States person who holds
this obligation will be subject to limitations under the United States income
tax laws, including the limitations provided in Sections 165(j) and 1287(a) of
the Internal Revenue Code". Under Sections 165(j) and 1287(a) of the Code,
holders that are United States persons, with certain exceptions, will not be
entitled to deduct any loss on Bearer Securities and must treat as ordinary
income any gain realized on the sale or other disposition (including the
receipt of principal) of Bearer Securities.
 
  Other restrictions and additional tax considerations may apply to the
issuance and holding of Bearer Securities. Holders of Bearer Securities should
consult their tax advisors concerning any such tax restrictions.
 
LIENS ON ASSETS
 
  If, at any time, Capital Funding mortgages, pledges, or otherwise subjects
to any lien the whole or any part of any property or assets now owned or
hereafter acquired by it, except as hereinafter provided, Capital Funding will
secure the outstanding Debt Securities, and any other obligations of Capital
Funding which may be then outstanding and entitled to the benefit of a
covenant similar in effect to this covenant, equally and ratably with the
indebtedness or obligations secured by such mortgage, pledge, or lien, for as
long as any such indebtedness or obligation is so secured. The foregoing
covenant does not apply to the creation, extension, renewal or refunding of
landlords' liens, liens with respect to the sale or financing of accounts or
chattel paper, purchase-money mortgages or liens, liens arising under the Code
or liens with respect to taxes, assessments or other governmental charges or
levies which may be owed by Capital Funding from time to time and which, if
delinquent, are being contested in good faith, or other liens to which any
property or asset acquired by Capital Funding is subject as of the date of its
acquisition by Capital Funding or to the making of any deposit or pledge to
secure public or statutory obligations or with any governmental agency at any
time required by law in order to qualify Capital Funding to conduct its
business or any part thereof or in order to entitle it to maintain self-
insurance or to obtain the benefits of any law relating to workers'
compensation, unemployment insurance, old age pensions or other social
security, or with any court, board, commission, or governmental agency as
security incident to the proper conduct of any proceeding before it. Nothing
contained in the Indenture prevents Ameritech or any Person other than Capital
Funding from mortgaging, pledging, or subjecting to any lien any of its
property or assets, whether or not acquired by such Person from Capital
Funding. (Section 1006).
 
                                      10
<PAGE>
 
RESTRICTIONS ON MERGERS AND SALES OF ASSETS
 
  Neither Capital Funding nor Ameritech may consolidate with or merge into any
other corporation, or convey, transfer or lease its properties and assets
substantially as an entirety to any Person, and neither Capital Funding nor
Ameritech shall permit any Person to consolidate with or merge into Capital
Funding or Ameritech or convey, transfer or lease its properties and assets
substantially as an entirety to Capital Funding or Ameritech unless (i) the
corporation formed by such consolidation or into which Capital Funding or
Ameritech is merged or the Person to which the properties and assets of
Capital Funding or Ameritech are transferred substantially as an entirety
shall be a corporation organized and existing under the laws of the United
States, any State thereof or the District of Columbia and shall expressly
assume the payment of the principal of, premium, if any, and interest, if any,
on the Debt Securities and the performance of the other covenants of Capital
Funding or Ameritech, as the case may be, under the Indenture, (ii) after
giving effect to such transaction, no Event of Default, or event which after
notice or lapse of time or both would become an Event of Default, shall have
occurred and be continuing and (iii) if, as a result of such transaction,
properties or assets of Capital Funding would become subject to a Mortgage not
permitted by Section 1006 of the Indenture without equally and ratably
securing the Debt Securities as provided therein (see "Liens On Assets"
above), steps shall have been taken to secure the Debt Securities equally and
ratably with (or prior to) all indebtedness secured thereby pursuant to
Section 1006 of the Indenture. (Section 801).
 
MODIFICATION AND WAIVER
 
  Certain modifications and amendments of the Indenture, including the rights
of Holders of a series of Outstanding Debt Securities, may be made by Capital
Funding and the Trustee only with the consent of the Holders of a majority in
aggregate principal amount of the Outstanding Debt Securities of each series
affected by the modification or amendment, provided that no such modification
or amendment may, without the consent of the Holder of each Outstanding Debt
Security affected thereby: (i) change the stated maturity date of the
principal of, or any installment of principal or interest on, any such Debt
Security; (ii) reduce the principal amount of, premium, if any, or interest,
if any, on any such Debt Security (including in the case of an Original Issue
Discount Security the amount payable upon acceleration of the Maturity
thereof); (iii) change the Place of Payment where, or the coin or currency in
which, any principal of, premium, if any, or interest, if any, on any such
Debt Security is payable; (iv) impair the right to institute suit for the
enforcement of any payment on or with respect to any such Debt Security; (v)
reduce the above-stated percentage of Outstanding Debt Securities of any
series the consent of the Holders of which is necessary to modify or amend the
Indenture; (vi) modify the foregoing requirements or reduce the percentage of
aggregate principal amount of Outstanding Debt Securities of any series
necessary for waiver of compliance with certain provisions of the Indenture or
for waiver of certain defaults; or (vii) change the substantive provisions of
the Guarantees. (Section 902).
 
  The Holders of a majority in aggregate principal amount of the Outstanding
Debt Securities of any series may, on behalf of the Holders of all Debt
Securities of such series, waive, insofar as such series is concerned,
compliance by Capital Funding with certain restrictive provisions of the
Indenture. (Section 1007). The Holders of a majority in aggregate principal
amount of the Outstanding Debt Securities of any series may on behalf of the
Holders of all Debt Securities of such series waive any past default under the
Indenture with respect to such series, except a default in the payment of the
principal of, premium, if any, or interest, if any, on any Debt Security of
such series or in respect of a provision under which the Indenture cannot be
modified or amended without consent of the Holder of each Outstanding Debt
Security of such series affected. (Section 513).
 
EVENTS OF DEFAULT
 
  The Indenture defines an Event of Default with respect to any series of Debt
Securities as being any one of the following events: (i) default for 90 days
in any payment of interest on such series; (ii)
 
                                      11
<PAGE>
 
default in any payment of principal of, or premium, if any, on such series
when due; (iii) default in the payment of any sinking fund installment with
respect to such series when due; (iv) default for 90 days after appropriate
notice by the Holders of at least 25 percent in aggregate principal amount of
the Outstanding Debt Securities in performance of any other covenant or
warranty in the Indenture (other than a covenant or warranty included in the
Indenture solely for the benefit of series of Debt Securities other than such
series); or (v) certain events in bankruptcy, insolvency or reorganization
with respect to either of Capital Funding or Ameritech. In case an Event of
Default shall occur and be continuing with respect to any series of Debt
Securities, the Trustee or the Holders of not less than 25 percent in
aggregate principal amount of the Outstanding Debt Securities of such series
may declare the principal of such series (or, if the Debt Securities of such
series are Original Issue Discount Securities, such portion of the principal
as may be specified in the terms of such series) to be due and payable. Any
Event of Default with respect to a particular series of Debt Securities may be
waived by the Holders of a majority in aggregate principal amount of the
Outstanding Debt Securities of such series, except in each case a failure to
pay the principal of, premium, if any, or interest, if any, on such Debt
Security. (Sections 501, 502 and 513).
 
  Each of Capital Funding and Ameritech is required to furnish the Trustee,
not less often than annually, with a certificate as to its respective
compliance with all conditions and covenants under the Indenture.
 
  Reference is made to the Prospectus Supplement relating to each series of
Offered Debt Securities which are Original Issue Discount Securities for the
particular provisions relating to acceleration of the Maturity of a portion of
the principal amount of such Original Issue Discount Securities upon the
occurrence of an Event of Default and the continuation thereof.
 
  The Indenture provides that the Trustee may withhold notice to the Holders
of the Debt Securities of any event which is, or after notice or lapse of time
or both would become, an Event of Default with respect to the Debt Securities
of such series (except in the payment of principal of, premium, if any, or
interest, if any, or any sinking fund installment) if it considers it in the
interest of the Holders of the Debt Securities to do so. (Section 602).
 
  Subject to the provisions of the Indenture relating to the duties of the
Trustee in case an Event of Default shall occur and be continuing, the
Indenture provides that the Trustee shall be under no obligation to exercise
any of its rights or powers under the Indenture at the request, order or
direction of the Holders of the Debt Securities unless such Holders shall have
offered to the Trustee reasonable indemnity. (Sections 601 and 603). Subject
to such provisions for indemnification and certain other rights of the
Trustee, the Indenture provides that the Holders of a majority in aggregate
principal amount of the Outstanding Debt Securities of any series affected
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 Debt Securities of such
series. (Sections 512 and 603).
 
  No Holder of any Debt Security of any series will have any right to
institute any proceeding with respect to the Indenture or for any remedy
thereunder, unless (i) such Holder shall have previously given to the Trustee
written notice of a continuing Event of Default with respect to Debt
Securities of such series, (ii) the Holders of not less than 25 percent in
aggregate principal amount of the Outstanding Debt Securities of such series
shall have made written request, and offered reasonable indemnity, to the
Trustee to institute such proceeding as trustee, and (iii) the Trustee shall
not have received from the Holders of a majority in aggregate principal amount
of the Outstanding Debt Securities of such series a direction inconsistent
with such request and shall have failed to institute such proceeding within 60
days. (Section 507). However, the Holder of any Debt Security will have an
absolute right to receive payment of the principal of, premium, if any, and
interest, if any, on such Debt
 
                                      12
<PAGE>
 
Security on or after the due dates expressed in such Debt Security and to
institute suit for the enforcement of any such payment. (Section 508).
 
DEFEASANCE
 
  Defeasance and Discharge. If the terms of a series of Debt Securities so
provide and Capital Funding deposits or causes to be deposited with the
Trustee, as trust funds in trust for that purpose, money and/or U.S.
Government Obligations which through the payment of interest and principal in
respect thereof in accordance with their terms will provide money in an amount
sufficient to pay and discharge (i) the principal of, and premium, if any, and
each installment of principal and premium, if any, and interest, if any, on
the Outstanding Debt Securities of such series on the Stated Maturity Date of
such principal or installment of principal or interest (or on the Redemption
Date of the Outstanding Debt Securities of such series if Capital Funding has
elected to redeem such Outstanding Debt Securities in accordance with Section
1102 of the Indenture), and (ii) any mandatory (or, if applicable, optional)
sinking fund payments applicable to the Outstanding Debt Securities of such
series on the day on which such payments are due and payable, then the
Indenture will cease to be of further effect with respect to such series
(except for certain obligations to compensate, reimburse and indemnify the
Trustee, to register the transfer or exchange of Debt Securities, to replace
stolen, lost or mutilated Debt Securities, to maintain paying agencies and to
hold monies for payment in trust and to pay any tax indemnity), and Capital
Funding will be deemed to have satisfied and discharged the Indenture with
respect to such series. (Section 403). In the event of any such defeasance,
holders of Debt Securities of such series would be able to look only to such
trust fund for payment of principal of, premium, if any, and interest, if any,
on such Debt Securities.
 
  Under current United States federal income tax law, such defeasance will be
treated as a modification of the related Debt Securities and, therefore, as an
exchange. As a consequence, each holder of such Debt Securities will realize
gain or loss equal to the difference between the holder's adjusted tax basis
for the Debt Securities and the issue price of the deemed modified Debt
Securities at the time of such modification. The holder will recognize this
gain or loss except to the extent such exchange constitutes a tax-free
recapitalization. To the extent attributable to accrued but unpaid interest,
such portion of the issue price of the deemed modified Debt Securities will be
treated as payment of interest and will not be taken into account in
determining such gain or loss. Prospective investors are urged to consult
their own tax advisors as to the specific consequences of such a defeasance.
 
  Defeasance of Certain Covenants and Certain Events of Default. If the terms
of the Debt Securities of any series so provide, Capital Funding may omit to
comply with certain restrictive covenants in Section 801 (Company and
Guarantor May Consolidate, Etc., Only on Certain Terms), Section 1005
(Purchase of Securities by Company or Subsidiary) and Section 1006 (Lien on
Assets), and Sections 501(d), 501(e) and 501(f) of the Indenture, as described
in clauses (iv) and (v) under "Events of Default" above, shall not be deemed
to be Events of Default under the Indenture with respect to such series, upon
the deposit with the Trustee, in trust, of money and/or U.S. Government
Obligations which through the payment of interest and principal in respect
thereof in accordance with their terms will provide money in an amount
sufficient to pay and discharge (i) the principal (and premium, if any) and
each installment of principal, and premium, if any, and interest on the
Outstanding Debt Securities of such series on the Stated Maturity of such
principal or installment of principal or interest (or on the Redemption Date
of the Outstanding Debt Securities of such series if Capital Funding has
elected to redeem such Outstanding Debt Securities in accordance with Section
1102 of the Indenture) and (ii) any mandatory (or, if applicable, optional)
sinking fund payments applicable to the Outstanding Debt Securities of such
series on the day on which such payments are due and payable. The obligations
of Capital Funding under the Indenture and the Debt Securities other than with
respect to the covenants referred to above and the Events of Default other
than the Events of Default referred to above shall remain in full force and
effect. (Section 1008).
 
                                      13
<PAGE>
 
  In the event Capital Funding exercises its option to omit compliance with
certain covenants of the Indenture with respect to the Debt Securities of any
series as described above and the Debt Securities of such series are declared
due and payable because of the occurrence of any Event of Default other than
Events of Default described in clauses (iv) and (v) under "Events of Default"
above, the amount of money and/or U.S. Government Obligations on deposit with
the Trustee will be sufficient to pay amounts due on the Debt Securities of
such series on their Stated Maturity or Redemption Date, but may not be
sufficient to pay amounts due on such Debt Securities at the time of the
acceleration resulting from such Event of Default. However, Capital Funding
shall remain liable for such payments. (Section 1008).
 
  Limitation on Defeasance. To exercise either option referred to above under
Defeasance and Discharge and Defeasance of Certain Covenants and Certain
Events of Default, Capital Funding is required to deliver to the Trustee an
opinion of outside counsel (which opinion, in the case of the option referred
to under Defeasance and Discharge above, is based on there having been, since
the date of the Indenture, a change in the applicable United States federal
income tax law (including a change in official interpretation thereof)), or a
ruling from or published by the Internal Revenue Service, to the effect that
the exercise of such option will not cause holders of Debt Securities to
recognize income, gain or loss for United States federal income tax purposes,
and that such holders of Debt Securities will be subject to United States
federal income tax on the same amount and in the same manner and at the same
time as would have been the case if such option had not been exercised.
 
  Substitution of Collateral. If the terms of a series of Debt Securities so
provide, Capital Funding will be permitted at any time to withdraw any money
or U.S. Government Obligations deposited pursuant to the foregoing defeasance
provisions, provided that Capital Funding in substitution therefor
simultaneously deposits money and/or U.S. Government Obligations which would
then be sufficient to satisfy Capital Funding's payment obligations in respect
of the Debt Securities in the manner contemplated by such defeasance
provisions.
 
NOTICES
 
  Except as may otherwise be set forth in an applicable Prospectus Supplement,
notices to holders of Bearer Securities will be given by publication in a
daily newspaper in the English language of general circulation in The City of
New York and in London, and so long as such Bearer Securities are listed on
the Luxembourg Stock Exchange and the Luxembourg Stock Exchange shall so
require, in a daily newspaper of general circulation in Luxembourg City or, if
not practical, elsewhere in Western Europe. Such publication is expected to be
made in The Wall Street Journal, the Financial Times and the Luxemburger Wort.
Notices to holders of Registered Securities will be given by mail to the
addresses of such holders as they appear in the Security Register. (Sections
101 and 106).
 
TITLE
 
  Title to any temporary global Debt Security, any permanent global Debt
Security, any Bearer Securities and any coupons appertaining thereto will pass
by delivery. Capital Funding, Ameritech, the Trustee and any agent of Capital
Funding, Ameritech or the Trustee may treat the bearer of any Bearer Security,
the bearer of any coupon and the registered owner of any Registered Security
as the absolute owner thereof (whether or not such Debt Security or coupon
shall be overdue and notwithstanding any notice to the contrary) for the
purpose of making payment and for all other purposes. (Section 308).
 
REPLACEMENT OF SECURITIES AND COUPONS
 
  Any mutilated Security or a Security with a mutilated coupon appertaining
thereto will be replaced by Capital Funding at the expense of the Holder upon
surrender of such Security to the Trustee.
 
                                      14
<PAGE>
 
Securities or coupons that become destroyed, stolen or lost will be replaced
by Capital Funding at the expense of the Holder upon delivery to the Trustee
of the Security and coupons or evidence of the destruction, loss or theft
thereof satisfactory to Capital Funding and the Trustee; in the case of any
coupon which becomes destroyed, stolen or lost, such coupon will be replaced
by issuance of a new Security in exchange for the Security to which such
coupon appertains. In the case of a destroyed, lost or stolen Security or
coupon, an indemnity satisfactory to the Trustee and Capital Funding may be
required at the expense of the Holder of such Security or coupon before a
replacement Security will be issued. (Section 306).
 
GOVERNING LAW
 
  The Indenture, the Debt Securities and the Guarantees are governed by and
construed in accordance with the laws of the State of Illinois. The interest
rate on the Debt Securities will in no event be higher than the maximum rate
permitted by Illinois law as the same may be modified by United States law of
general application. Under present Illinois law, no maximum rate of interest
would apply to the Debt Securities.
 
CONCERNING THE TRUSTEE
 
  Ameritech and Capital Funding maintain banking relationships in the ordinary
course of business with the Trustee. The Trustee also serves as indenture
trustee under other unsecured indentures entered into with other subsidiaries
of Ameritech. The Trustee has a commitment under a revolving credit facility
available to Ameritech.
 
  Under the Indenture, the Trustee is required to transmit annual reports to
all Holders regarding its eligibility and qualifications as Trustee under the
Indenture and certain related matters. (Section 703).
 
                             PLAN OF DISTRIBUTION
 
  Capital Funding may sell the Debt Securities being offered hereby: (i)
directly to purchasers, (ii) through agents, (iii) through underwriters, (iv)
through dealers or (v) through a combination of any such methods of sale.
 
  The distribution of the Debt Securities may be effected from time to time in
one or more transactions either (i) at a fixed price or prices, which may be
changed; (ii) at market prices prevailing at the time of sale; (iii) at prices
related to such prevailing market prices; or (iv) at negotiated prices, and
may include delayed delivery arrangements providing for payment and delivery
at a future date.
 
  Offers to purchase Debt Securities may be solicited directly by Capital
Funding or by agents designated by Capital Funding from time to time. Any such
agent, which may be deemed to be an underwriter, as that term is defined in
the Securities Act, involved in the offer or sale of the Debt Securities in
respect of which this Prospectus is delivered will be named, and any
commissions payable by Capital Funding to such agent will be set forth, in the
Prospectus Supplement or in a pricing supplement thereto (the "Pricing
Supplement"). Unless otherwise indicated in the Prospectus Supplement or
Pricing Supplement, any such agent will be acting on a best efforts basis for
the period of its appointment.
 
  If an underwriter or underwriters are used in a sale of Debt Securities,
Capital Funding and Ameritech will execute an underwriting agreement with such
underwriters at the time of sale to them and the names of the underwriters and
the terms of the transaction will be set forth in the Prospectus Supplement,
which will be used by the underwriters to make resales of the Debt Securities.
 
  If a dealer is used in a sale of Debt Securities in respect of which this
Prospectus is delivered, Capital Funding will sell such Debt Securities to the
dealer, as principal. The dealer may then resell such Debt Securities to the
public at varying prices to be determined by such dealer at the time of
resale.
 
                                      15
<PAGE>
 
  Underwriters, dealers, agents, and other persons may be entitled, under
agreements which may be entered into with Capital Funding and Ameritech, to
indemnification against, or contribution with respect to, certain civil
liabilities, including liabilities under the Securities Act. Underwriters,
dealers, agents and their affiliates may be customers of, engage in
transactions with, or perform services for, Capital Funding, Ameritech or
subsidiaries of Ameritech in the ordinary course of business.
 
                                    EXPERTS
 
  The consolidated financial statements and financial statement schedule of
Ameritech and its subsidiaries included and incorporated by reference in
Ameritech's Annual Report on Form 10-K for the year ended December 31, 1996
have been audited by Arthur Andersen LLP, independent public accountants, as
set forth in the reports of such firm. The consolidated financial statements
and financial statement schedule referred to above are incorporated by
reference herein in reliance upon the authority of Arthur Andersen LLP as
experts in giving said reports.
 
                                LEGAL OPINIONS
 
  Certain matters relating to the legality of the Debt Securities and the
Guarantees to be offered hereby will be passed upon for Capital Funding and
Ameritech by Bruce B. Howat, Esq., Counsel & Secretary of Ameritech, and by
Winston & Strawn, 35 West Wacker Drive, Chicago, Illinois 60601, and for the
agents or underwriters, if any, by Mayer, Brown & Platt, 190 South LaSalle
Street, Chicago, Illinois 60603. The opinions of Mr. Howat, Winston & Strawn
and Mayer, Brown & Platt with respect to the Debt Securities and the
Guarantees may be conditioned upon, and subject to certain assumptions
regarding future action to be taken by Capital Funding, Ameritech and the
Trustee in connection with the issuance and sale of particular Debt
Securities, the specific terms of Debt Securities and other matters that may
affect the validity of Debt Securities but that cannot be ascertained on the
date of such opinions. Mayer, Brown & Platt from time to time acts as counsel
in certain matters for Ameritech and certain of its subsidiaries. As of the
date of this Prospectus, Mr. Howat owned beneficially and had options to
acquire shares of the common stock of Ameritech which in the aggregate
constituted less than .01% of the total issued and outstanding shares of the
common stock of Ameritech.
 
                                      16
<PAGE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
 NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY REPRE-
SENTATIONS OTHER THAN THOSE CONTAINED IN THIS PROSPECTUS SUPPLEMENT OR THE
PROSPECTUS, AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATIONS MUST
NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED. THIS PROSPECTUS SUPPLEMENT AND
THE PROSPECTUS DO NOT CONSTITUTE AN OFFER TO SELL OR THE SOLICITATION OF AN
OFFER TO BUY ANY SECURITIES OTHER THAN THE SECURITIES DESCRIBED IN THIS PRO-
SPECTUS SUPPLEMENT OR AN OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY
SUCH SECURITIES IN ANY CIRCUMSTANCES IN WHICH SUCH OFFER OR SOLICITATION IS
UNLAWFUL. NEITHER THE DELIVERY OF THIS PROSPECTUS SUPPLEMENT OR THE PROSPECTUS
NOR ANY SALE MADE HEREUNDER OR THEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CRE-
ATE ANY IMPLICATION THAT THERE HAS BEEN NO CHANGE IN THE AFFAIRS OF CAPITAL
FUNDING OR AMERITECH SINCE THE DATE HEREOF OR THAT THE INFORMATION CONTAINED
HEREIN OR THEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO ITS DATE.
 
                                  -----------
 
                               TABLE OF CONTENTS
 
                             PROSPECTUS SUPPLEMENT
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
 
                                  PROSPECTUS
<S>                                                                         <C>
Available Information......................................................   2
Incorporation of Certain Documents by
 Reference.................................................................   2
Ameritech Corporation......................................................   3
Ameritech Capital Funding Corporation......................................   3
Recent Developments........................................................   3
Ratios of Earnings to Fixed Charges of Ameritech...........................   3
Use of Proceeds............................................................   4
Description of Debt Securities and
 Guarantees................................................................   4
Plan of Distribution.......................................................  15
Experts....................................................................  16
Legal Opinions.............................................................  16
</TABLE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
 
                               AMERITECH CAPITAL
                              FUNDING CORPORATION
 
 
                       UNCONDITIONALLY GUARANTEED AS TO
                     PAYMENT OF PRINCIPAL AND INTEREST BY
 
                             AMERITECH CORPORATION
 
                                  -----------
 
                                     LOGO
 
                                  -----------
    
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>
 
                                    PART II
 
                    INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.
 
<TABLE>
       <S>                                                            <C>
       Securities and Exchange Commission Filing Fee................  $486,750*
       Rating Fees..................................................    56,000
       Fees and Expenses of Trustee.................................    15,000
       Blue Sky Fees and Expenses...................................     7,500
       Printing and Distributing Registration Statement, Prospectus,
        Prospectus Supplement, Indenture and Miscellaneous Material.    78,000
       Accountants' Fees............................................    65,000
       Legal Fees & Expenses........................................    67,500
       Miscellaneous................................................    12,500
                                                                      --------
           Total....................................................  $788,250
                                                                      ========
</TABLE>
      --------
             *Actual. All other amounts are estimated.
 
ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
      Section 145 of the Delaware General Corporation Law provides for the
    indemnification of directors and officers of Ameritech and Capital
    Funding in certain circumstances.
 
      Article Seventh of the Certificate of Incorporation of Ameritech
    provides that Ameritech shall indemnify, in accordance with and to the
    full extent now or hereafter permitted by law, any person who was or is
    a party or is threatened to be made a party to any threatened, pending
    or completed action, suit or proceeding, whether civil, criminal,
    administrative or investigative (including, without limitation, an
    action by or in the right of Ameritech), by reason of his acting as a
    director, officer, employee or agent of, or his acting in any other
    capacity for or on behalf of, Ameritech, against any liability or
    expense actually and reasonably incurred by such person in respect
    thereof.
 
      Each of Article VI of the By-laws of Ameritech and Article VII of the
    By-laws of Capital Funding provides that such corporation shall
    indemnify any person who was or is a party or is threatened to be made
    a party to any threatened, pending or completed action, suit or
    proceeding, whether civil, criminal, administrative or investigative
    (other than an action by or in the right of such corporation) by reason
    of the fact that he (i) is or was a director, stockholder or
    stockholder representative (with respect to Capital Funding), officer,
    employee or agent of such corporation or (ii) is or was serving at the
    request of such corporation as a director, stockholder or stockholder
    representative (with respect to Capital Funding), officer, employee or
    agent of another corporation, partnership, joint venture, trust or
    other enterprise, against expenses (including attorneys' fees),
    judgments, fines and amounts paid in settlement actually and reasonably
    incurred by him in connection with such action, suit or proceeding if
    he acted in good faith and in a manner he reasonably believed to be in
    or not opposed to the best interests of such corporation, and, with
    respect to any criminal action or proceeding, had no reasonable cause
    to believe his conduct was unlawful.
 
      Furthermore, each of Ameritech and Capital Funding shall indemnify
    any person who was or is a party or is threatened to be made a party to
    any threatened, pending or completed action or suit by or in the right
    of such corporation to procure a judgment in its favor by reason of the
    fact that he (i) is or was a director, officer, employee or agent of
    such corporation, or (ii) is or was serving at the request of such
    corporation as a director, officer, employee or agent of another
    corporation, partnership, joint venture, trust or other enterprise
    against expenses
 
                                     II-1
<PAGE>
 
    (including attorneys' fees) actually and reasonably incurred by him in
    connection with the defense or settlement of such action or suit if he
    acted in good faith and in a manner he reasonably believed to be in or
    not opposed to the best interests of such corporation and except that
    no indemnification shall be made in respect of any claim, issue or
    matter as to which such person shall have been adjudged to be liable to
    such corporation unless and only to the extent that the Court of
    Chancery or the court in which such action or suit was brought shall
    determine upon application that, despite the adjudication of liability
    but in view of all the circumstances of the case, such person is fairly
    and reasonably entitled to indemnity for such expenses which the Court
    of Chancery or such other court shall deem proper.
 
      Article Twelfth of the Certificate of Incorporation of Ameritech
    provides that directors of such corporation shall have no personal
    liability to such corporation or its stockholders for monetary damages
    for breach of fiduciary duty as a director, except (i) for any breach
    of a director's duty of loyalty to such corporation or its
    stockholders, (ii) for acts or omissions not in good faith or which
    involve intentional misconduct or a knowing violation of law, (iii)
    under Section 174 of the General Corporation Law of Delaware, or (iv)
    for any transaction from which a director derived an improper personal
    benefit. Article 8 of the Certificate of Incorporation of Capital
    Funding provides that stockholders (or stockholder representatives) of
    such corporation shall have no personal liability to such corporation
    or its stockholders for monetary damages for breach of fiduciary duty
    as a stockholder, except (i) for any breach of a stockholder's duty of
    loyalty to such corporation or its stockholders, (ii) for acts or
    omissions not in good faith or which involve intentional misconduct or
    a knowing violation of law, (iii) under Section 174 of the General
    Corporate Law of Delaware, or (iv) for any transaction from which a
    stockholder derived an improper personal benefit.
 
      The directors and officers of Ameritech and the officers and former
    directors of Capital Funding are covered by insurance policies
    indemnifying them against certain liabilities, including certain
    liabilities arising under the Securities Act of 1933, as amended, which
    might be incurred by them in such capacities and against which they
    cannot be indemnified by Ameritech and Capital Funding.
 
      AT&T Corp. ("AT&T") has agreed to indemnify and hold harmless any
    director or officer of a regional holding company (including Ameritech)
    or any Bell telephone operating company, or any AT&T officer who has
    been designated to act on behalf of a regional holding company who is
    made, or threatened to be made, a party to an action or proceeding
    because of such officer's or director's involvement in the
    implementation of the Modification of Final Judgment or Plan of
    Reorganization (entered into in connection with the court approved
    divestiture of certain assets of AT&T effective January 1, 1984)
    against judgments, amounts paid in settlement, and reasonable expenses,
    including attorneys' fees actually and necessarily incurred as a result
    of such action or proceeding or an appeal therein, to the extent
    permitted by applicable law, where such officer or director cannot
    legally be indemnified by the regional holding company or any Bell
    telephone operating company on whose behalf he acted, and to the extent
    such officer or director is not reimbursed by the Bell System Officers
    and Directors Liability Insurance or other insurance obtained by the
    regional holding company or Bell Communications Research, Inc.
 
      Any agents, dealers or underwriters who execute any of the agreements
    filed as exhibits to this Registration Statement will agree to
    indemnify the directors of Ameritech and the officers of Ameritech and
    Capital Funding who signed the Registration Statement against certain
    liabilities which might arise under the Securities Act of 1933, as
    amended, with respect to information furnished to Ameritech and Capital
    Funding by or on behalf of such agent, dealer or underwriter.
 
                                     II-2
<PAGE>
 
ITEM 16. EXHIBITS.
 
  The following exhibits are filed herewith or incorporated herein by
reference. Documents indicated by an asterisk (*) have been previously filed
and are incorporated herein by reference to the File No. indicated:
 
<TABLE>
     <S>       <C>
     *1-a.     --Form of Selling Agency Agreement relating to the Debt Securities of
                Capital Funding. (File No. 33-60067, Form S-3, Exhibit 1-a)
     *1-b.     --Form of Underwriting Agreement to be executed in connection with the
                Debt Securities of Capital Funding. (File No. 33-60067, Form S-3, Exhibit
                1-b)
      4.       --Indenture dated as of October 1, 1997 among Ameritech Capital Funding
                Corporation, Ameritech Corporation and Bank One, NA (successor to Harris
                Trust and Savings Bank), as Trustee (the "Indenture"). The form of the
                guarantee of Ameritech to be endorsed on each of the Debt Securities is
                set forth in Section 311 of the Indenture. Forms of the Debt Securities
                are attached as Exhibits A and B to the form of Indenture. The form or
                forms of Debt Securities with respect to each particular series of Debt
                Securities registered hereunder that differ materially from the forms of
                the Debt Securities filed as a part of the Indenture will be filed as an
                exhibit to a Current Report on Form 8-K of Ameritech and incorporated
                herein by reference or otherwise made a part hereof.
      5.       --Opinion of Bruce B. Howat, Esq., Counsel & Secretary of Ameritech, as to
                the legality of the Debt Securities to be issued.
      8.       --Opinion of Winston & Strawn re: tax matters.
     *12.      --Computation of Ratio of Earnings to Fixed Charges (File No. 1-8612,
                Ameritech Corporation's Annual Report on Form 10-K for the year ended
                December 31, 1996, Exhibit 12, and Quarterly Report on Form 10-Q for the
                quarter ended September 30, 1997, Exhibit 12).
     23-a.     --Consent of Arthur Andersen LLP, independent public accountants.
     23-b.     --Consents of counsel are contained in the opinions of counsel filed as
                Exhibits 5 and 8, respectively.
     24.       --Powers of Attorney.
     25.       --Statement of Eligibility of Trustee.
</TABLE>
 
ITEM 17. UNDERTAKINGS.
 
      Ameritech and Capital Funding hereby undertake that, for purposes of
    determining any liability under the Securities Act of 1933, each filing
    of Ameritech's Annual Report pursuant to Section 13(a) or Section 15(d)
    of the Securities Exchange Act of 1934 (and where applicable, each
    filing of an employee benefit plan's annual report pursuant to Section
    15(d) of the Securities Exchange Act of 1934) that is incorporated by
    reference in the Registration Statement shall be deemed to be a new
    registration statement relating to the securities offered therein, and
    the offering of such securities at that time shall be deemed to be the
    initial bona fide offering thereof.
 
      Insofar as indemnification for liabilities arising under the
    Securities Act of 1933 may be permitted to directors, officers, and
    controlling persons of Ameritech and Capital Funding pursuant to the
    provisions referred to in Item 15 (other than the insurance policies
    referred to therein), or otherwise, Ameritech and Capital Funding have
    been advised that, in the opinion of the Securities and Exchange
    Commission, such indemnification is against public policy as expressed
    in the Act and is, therefore, unenforceable. In the event that a claim
    for indemnification against such liabilities (other than the payment by
    Ameritech or Capital Funding of expenses incurred or paid by a
    director, officer, or controlling person of Ameritech
 
                                     II-3
<PAGE>
 
    or Capital Funding in the successful defense of any action, suit, or
    proceeding) is asserted against Ameritech or Capital Funding by such
    director, officer, or controlling person in connection with the
    securities being registered, Ameritech and Capital Funding will, unless
    in the opinion of their counsel the matter has been settled by
    controlling precedent, submit to a court of appropriate jurisdiction
    the question whether such indemnification by it is against public
    policy as expressed in the Act and will be governed by the final
    adjudication of such issue.
 
      Ameritech and Capital Funding hereby undertake:
 
        (1) To file, during any period in which offers or sales are being
      made, a post-effective amendment to this registration statement:
 
                (i) To include any prospectus required by Section 10(a)(3) of
              the Securities Act of 1933.
 
                (ii) To reflect in the prospectus any facts or events arising
              after the effective date of the registration statement (or the
              most recent post-effective amendment thereof) which,
              individually or in the aggregate, represent a fundamental change
              in the information set forth in the registration statement.
              Notwithstanding the foregoing, any increase or decrease in
              volume of securities offered (if the total dollar value of
              securities offered would not exceed that which was registered)
              and any deviation from the low or high end of the estimated
              maximum offering range may be reflected in the form of
              prospectus filed with the Commission pursuant to Rule 424(b) if,
              in the aggregate, the changes in volume and price represent no
              more than a 20% change in the maximum aggregate offering price
              set forth in the "Calculation of Registration Fee" table in the
              effective registration statement.
 
                (iii) To include any material information with respect to the
              Plan of Distribution not previously disclosed in the
              registration statement or any material change to such
              information in the registration statement.
 
      Provided, however, that the undertakings set forth in paragraphs (i)
      and (ii) above do not apply if the information required to be
      included in a post-effective amendment by those paragraphs is
      contained in periodic reports filed by Ameritech pursuant to Section
      13 or Section 15(d) of the Securities Exchange Act of 1934 that are
      incorporated by reference in this registration statement.
 
        (2) That, for the purpose of determining any liability under the
      Securities Act of 1933, each such post-effective amendment shall be
      deemed to be a new registration statement relating to the securities
      offered therein, and the offering of such securities at that time
      shall be deemed to be the initial bona fide offering thereof.
 
        (3) To remove from registration by means of a post-effective
      amendment any of the securities being registered which remain unsold
      at the termination of the offering.
 
      Ameritech and Capital Funding hereby undertake that:
 
        (1) For purposes of determining any liability under the Securities
      Act of 1933, the information omitted from the form of prospectus
      filed as part of this registration statement in reliance upon Rule
      430A and contained in the form of prospectus filed by the registrant
      pursuant to Rule 424(b)(1) or (4) or 497(h) under the Securities Act
      shall be deemed to be part of the registration statement as of the
      time it was declared effective.
 
        (2) For the purpose of determining any liability under the
      Securities Act of 1933, each post-effective amendment that contains
      a form of prospectus shall be deemed to be a new registration
      statement relating to the securities offered therein, and the
      offering of such securities at that time shall be deemed to be the
      initial bona fide offering thereof.
 
                                     II-4
<PAGE>
 
                                   SIGNATURES
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AMERITECH CORPO-
RATION CERTIFIES THAT IT HAS REASONABLE GROUNDS TO BELIEVE THAT IT MEETS ALL
THE REQUIREMENTS FOR FILING ON FORM S-3 AND HAS DULY CAUSED THIS REGISTRATION
STATEMENT OR AMENDMENT THERETO TO BE SIGNED ON ITS BEHALF BY THE UNDERSIGNED,
THEREUNTO DULY AUTHORIZED, IN THE CITY OF CHICAGO, STATE OF ILLINOIS, ON THE
23RD DAY OF DECEMBER, 1997.
 
                                         Ameritech Corporation
 
                                                 /s/ Richard W. Pehlke
                                         By____________________________________
                                                    Richard W. Pehlke,
                                               Vice President and Treasurer
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THIS REGISTRATION
STATEMENT OR AMENDMENT THERETO HAS BEEN SIGNED BELOW BY THE FOLLOWING PERSONS
IN THE CAPACITIES AND ON THE DATE INDICATED.
 
Principal Executive Officer:
 
    /s/ Richard C. Notebaert
- -----------------------------------
       Richard C. Notebaert,
     Chairman of the Board and
      Chief Executive Officer
 
Principal Financial Officer:
 
      /s/ Oren G. Shaffer
- -----------------------------------
          Oren G. Shaffer,
Executive Vice President and Chief
         Financial Officer
 
Principal Accounting Officer:
 
      /s/ Barbara A. Klein
- -----------------------------------
         Barbara A. Klein,
  Vice President and Comptroller
 
Directors:
 
  D. C. Clark*          J. B. McCoy*
  H. H. Gray*           R. C. Notebaert*
  J. A. Henderson*      J. D. Ong*
  S. B. Lubar*          A. B. Rand*
  L. M. Martin*         L. D. Tyson*
  A. C. Martinez*       J. A. Unruh*
 
     /s/ Richard W. Pehlke
  *By___________________________
        Richard W. Pehlke
         Attorney-in-Fact
 
Dated: December 23, 1997
 
                                      II-5
<PAGE>
 
                                  SIGNATURES
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AMERITECH
CAPITAL FUNDING CORPORATION CERTIFIES THAT IT HAS REASONABLE GROUNDS TO
BELIEVE THAT IT MEETS ALL THE REQUIREMENTS FOR FILING ON FORM S-3 AND HAS DULY
CAUSED THIS REGISTRATION STATEMENT OR AMENDMENT THERETO TO BE SIGNED ON ITS
BEHALF BY THE UNDERSIGNED, THEREUNTO DULY AUTHORIZED, IN THE CITY OF CHICAGO,
STATE OF ILLINOIS, ON THE 23RD DAY OF DECEMBER, 1997.
 
                                          Ameritech Capital Funding
                                           Corporation
 
                                                 /s/ David A. Dohnalek
                                          By___________________________________
                                               David A. Dohnalek, President
 
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THIS
REGISTRATION STATEMENT OR AMENDMENT THERETO HAS BEEN SIGNED BELOW BY THE
FOLLOWING PERSONS IN THE CAPACITIES AND ON THE DATE INDICATED.
 
Principal Executive Officer:
      /s/ David A. Dohnalek
- -------------------------------------
    David A. Dohnalek, President
 
Principal Financial Officer:
 
      /s/ F. Arthur Naranjo
- -------------------------------------
  F. Arthur Naranjo, Vice President
                 and
       Chief Financial Officer
 
Principal Accounting Officer:
 
      /s/ F. Arthur Naranjo
- -------------------------------------
  F. Arthur Naranjo, Vice President
                 and
       Chief Financial Officer
 
Sole Shareholder Acting in Lieu of Board of Directors:**
 
  Ameritech Corporation
 
     /s/ Richard W. Pehlke
  By_____________________________
        Richard W. Pehlke,
        Vice President and
            Treasurer
 
**Pursuant to Delaware close corporation law and Ameritech Capital Funding
 Corporation's Certificate of Incorporation, Ameritech Corporation, as the
 sole shareholder of Ameritech Capital Funding Corporation, acts in lieu of
 any board of directors.
 
Dated: December 23, 1997
 
                                     II-6
<PAGE>
 
                                 EXHIBIT INDEX
 
  Documents indicated by an asterisk (*) have been previously filed and are
incorporated herein by reference to the File No. indicated:
 
<TABLE>
<CAPTION>
                                                                     SEQUENTIAL
  EXHIBIT                                                               PAGE
  NUMBER                     DOCUMENT DESCRIPTION                      NUMBER
  -------                    --------------------                    ----------
 <C>       <S>                                                       <C>
 *1-a.     --Form of Selling Agency Agreement relating to the Debt
            Securities of Capital Funding. (File No. 33-60067,
            Form S-3, Exhibit 1-a)
 *1-b.     --Form of Underwriting Agreement to be executed in
            connection with the Debt Securities of Capital
            Funding. (File No. 33-60067, Form S-3, Exhibit 1-b)
  4.       --Indenture dated as of October 1, 1997 among Ameritech
            Capital Funding Corporation, Ameritech Corporation and
            Bank One, NA (successor to Harris Trust and Savings
            Bank), as Trustee (the "Indenture"). The form of the
            guarantee of Ameritech to be endorsed on each of the
            Debt Securities is set forth in Section 311 of the
            Indenture. Forms of the Debt Securities are attached
            as Exhibits A and B to the form of Indenture. The form
            or forms of Debt Securities with respect to each
            particular series of Debt Securities registered
            hereunder that differ materially from the forms of the
            Debt Securities filed as a part of the Indenture will
            be filed as an exhibit to a Current Report on Form 8-K
            of Ameritech and incorporated herein by reference or
            otherwise made a part hereof.
  5.       --Opinion of Bruce B. Howat, Esq., Counsel & Secretary
            of Ameritech, as to the legality of the Debt
            Securities to be issued.
  8.       --Opinion of Winston & Strawn re: tax matters.
 *12.      --Computation of Ratio of Earnings to Fixed Charges
            (File No. 1-8612, Ameritech Corporation's Annual
            Report on Form 10-K for the year ended December 31,
            1996, Exhibit 12, and Quarterly Report on Form 10-Q
            for the quarter ended September 30, 1997, Exhibit 12).
 23-a.     --Consent of Arthur Andersen LLP, independent public
            accountants.
 23-b.     --Consents of counsel are contained in the opinions of
            counsel filed as Exhibits 5 and 8, respectively.
 24.       --Powers of Attorney.
 25.       --Statement of Eligibility of Trustee.
</TABLE>

<PAGE>
 
                                                                       EXHIBIT 4
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                     AMERITECH CAPITAL FUNDING CORPORATION,
 
                                     ISSUER
 
                             AMERITECH CORPORATION,
 
                                   GUARANTOR
 
                                      AND
 
                         HARRIS TRUST AND SAVINGS BANK,
 
                                    TRUSTEE
 
                               ----------------
 
                                   INDENTURE
 
                          DATED AS OF OCTOBER 1, 1997
 
                               ----------------
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
 
                             CROSS REFERENCE SHEET*
 
                                    BETWEEN
 
       Provisions of Sections 310 through 318(a) inclusive of the
     Trust Indenture Act of 1939 and the Indenture dated as of
     October 1, 1997 among Ameritech Capital Funding Corporation,
     Ameritech Corporation and Harris Trust and Savings Bank, as
     Trustee.
 
<TABLE>
<CAPTION>
                                                               SECTION OF
      SECTION OF ACT                                           INDENTURE
      <S>                                               <C>
      310(a)(1)........................................ 609
      310(a)(2)........................................ 609
      310(a)(3)........................................   **
      310(a)(4)........................................   **
      310(a)(5)........................................ 609
      310(b)........................................... 608 and 610
      310(c)...........................................   **
      311(a)........................................... 613(a)
      311(b)........................................... 613(b)
      311(b)(2)........................................ 703(a)(iii) and 703(b)
      311(c)...........................................   **
      312(a)........................................... 701 and 702(a)
      312(b)........................................... 702(b)
      312(c)........................................... 702(c)
      313(a)........................................... 703(a)
      313(b)........................................... 703(b)
      313(c)........................................... 703(c)
      313(d)........................................... 703(d)
      314(a)........................................... 704
      314(b)...........................................   **
      314(c)(1)........................................ 102
      314(c)(2)........................................ 102
      314(c)(3)........................................   **
      314(d)...........................................   **
      314(e)........................................... 102
      315(a)........................................... 601(a)
      315(b)........................................... 602
      315(c)........................................... 601(b)
      315(d)(1)........................................ 601(a)(i) and 601(a)(ii)
      315(d)(2)........................................ 601(c)(ii)
      315(d)(3)........................................ 601(c)(iii)
      315(e)........................................... 514
      316(a)(1)(A)..................................... 502 and 512
      316(a)(1)(B)..................................... 513
      316(a)(2)........................................   **
      316(b)........................................... 508
      316(c)........................................... 516
      317(a)(1)........................................ 503
      317(a)(2)........................................ 504
      317(b)........................................... 1003
      318(a)........................................... 108
</TABLE>
     --------
      *This cross reference sheet shall not, for any purpose, be
      deemed to be a part of the Indenture.
     **Not applicable.
<PAGE>
 
                               TABLE OF CONTENTS*
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
                                  ARTICLE ONE
 
            Definitions and Other Provisions of General Application
 
 <C>          <S>                                                           <C>
 Section 101. Definitions.................................................    1
              Act.........................................................    1
              Affiliate...................................................    1
              Authenticating Agent........................................    1
              Authorized Newspaper........................................    1
              Bearer Security.............................................    2
              Business Day................................................    2
              Capital Stock...............................................    2
              CEDEL S.A...................................................    2
              Commission..................................................    2
              Common Depository...........................................    2
              Company.....................................................    2
              Company Request or Company Order............................    2
              Corporate Trust Office......................................    2
              corporation.................................................    2
              coupon......................................................    2
              Defaulted Interest..........................................    2
              Dollar......................................................    2
              Euro-clear..................................................    2
              Event of Default............................................    2
              Exchange Date...............................................    2
              Guarantee...................................................    2
              Guarantor...................................................    3
              Holder......................................................    3
              Indenture...................................................    3
              interest....................................................    3
              Interest Payment Date.......................................    3
              Maturity....................................................    3
              Mortgage....................................................    3
              Officers' Certificate.......................................    3
              Opinion of Counsel..........................................    3
              Original Issue Discount Security............................    3
              Outstanding.................................................    3
              Paying Agent................................................    4
              Person......................................................    4
              Place of Payment............................................    4
              Predecessor Security........................................    4
              Redemption Date.............................................    4
              Redemption Price............................................    4
              Registered Security.........................................    4
              Regular Record Date.........................................    4
              Resolution..................................................    4
</TABLE>
- --------
 *This Table of Contents shall not, for any purpose, be deemed to be part of
the Indenture
 
                                       i
<PAGE>
 
<TABLE>
<CAPTION>
                                                                           PAGE
                                                                           ----
 <C>          <S>                                                          <C>
              Responsible Officer........................................    5
              Securities.................................................    5
              Security Register and Security Registrar...................    5
              Special Record Date........................................    5
              Stated Maturity Date.......................................    5
              Subsidiary.................................................    5
              Trustee....................................................    5
              Trust Indenture Act........................................    5
              United States..............................................    5
              United States Alien........................................    5
              U.S. Depository............................................    5
              U.S. Government Obligations................................    5
              Vice President.............................................    6
              Voting Stock...............................................    6
 Section 102. Compliance Certificates and Opinions.......................    6
 Section 103. Form of Documents Delivered to Trustee.....................    6
 Section 104. Acts of Holders............................................    7
 Section 105. Notices, Etc., to Trustee, Company and Guarantor...........    8
 Section 106. Notice to Holders of Securities; Waiver....................    8
 Section 107. Language of Notices, Etc...................................    9
 Section 108. Conflict with Trust Indenture Act..........................    9
 Section 109. Effect of Headings and Table of Contents...................    9
 Section 110. Successors and Assigns.....................................    9
 Section 111. Separability Clause........................................    9
 Section 112. Benefits of Indenture......................................    9
 Section 113. Exemption from Individual Liability........................   10
 Section 114. Governing Law..............................................   10
 Section 115. Legal Holidays.............................................   10
 
                                  ARTICLE TWO
 
                                 Security Forms
 
 Section 201. Forms Generally............................................   10
 Section 202. Form of Trustee's Certificate of Authentication............   11
 Section 203. Securities in Global Form..................................   11
 
                                 ARTICLE THREE
 
                                 The Securities
 
 Section 301. Amount Unlimited; Issuable in Series.......................   12
 Section 302. Denominations..............................................   14
 Section 303. Execution, Authentication, Delivery and Dating.............   14
 Section 304. Temporary Securities.......................................   15
 Section 305. Registration, Registration of Transfer and Exchange........   17
                     Mutilated, Destroyed, Lost and Stolen Securities and
 Section 306. Coupons....................................................   19
</TABLE>
 
                                       ii
<PAGE>
 
<TABLE>
<CAPTION>
                                                                             PAGE
                                                                             ----
 <C>           <S>                                                           <C>
 Section 307.  Payment of Interest; Interest Rights Preserved.............    20
 Section 308.  Persons Deemed Owners......................................    21
 Section 309.  Cancellation...............................................    21
 Section 310.  Computation of Interest....................................    21
 Section 311.  Unconditional Guarantee....................................    21
 Section 312.  Execution of Guarantees....................................    23
 Section 313.  Assumption by Guarantor....................................    23
 
                                  ARTICLE FOUR
 
                           Satisfaction and Discharge
 
 Section 401.  Satisfaction and Discharge of Indenture....................    23
 Section 402.  Application of Trust Money.................................    24
 Section 403.  Satisfaction, Discharge and Defeasance of Securities of any
                Series....................................................    24
 Section 404.  Reinstatement..............................................    26
 
                                  ARTICLE FIVE
 
                                    Remedies
 
 Section 501.  Events of Default..........................................    26
 Section 502.  Acceleration of Maturity; Rescission and Annulment.........    27
 Section 503.  Collection of Indebtedness and Suits for Enforcement by
                Trustee...................................................    28
 Section 504.  Trustee May File Proofs of Claim...........................    28
 Section 505.  Trustee May Enforce Claims Without Possession of Securities
                or Coupons................................................    29
 Section 506.  Application of Money Collected.............................    29
 Section 507.  Limitations on Suits.......................................    29
 Section 508.  Unconditional Right of Holders to Receive Principal,
                Premium and Interest......................................    30
 Section 509.  Restoration of Rights and Remedies.........................    30
 Section 510.  Rights and Remedies Cumulative.............................    30
 Section 511.  Delay or Omission Not Waiver...............................    30
 Section 512.  Control by Holders of Securities...........................    30
 Section 513.  Waiver of Past Defaults....................................    31
 Section 514.  Undertaking for Costs......................................    31
 Section 515.  Waiver of Stay or Extension Laws...........................    31
 Section 516.  Record Date................................................    31
 
                                  ARTICLE SIX
 
                                  The Trustee
 
 Section 601.  Certain Duties and Responsibilities........................    32
 Section 602.  Notice of Defaults.........................................    32
 Section 603.  Certain Rights of Trustee..................................    33
</TABLE>
 
 
                                      iii
<PAGE>
 
<TABLE>
<CAPTION>
                                                                           PAGE
                                                                           ----
 <C>           <S>                                                         <C>
 Section 604.  Not Responsible for Recitals or Issuance of Securities....   33
 Section 605.  May Hold Securities.......................................   34
 Section 606.  Money Held in Trust.......................................   34
 Section 607.  Compensation and Reimbursement............................   34
 Section 608.  Disqualification; Conflicting Interests...................   34
 Section 609.  Corporate Trustee Required; Eligibility...................   38
 Section 610.  Resignation and Removal; Appointment of Successor.........   39
 Section 611.  Acceptance of Appointment by Successor....................   40
 Section 612.  Merger, Conversion, Consolidation or Succession to
                Business.................................................   41
 Section 613.  Preferential Collection of Claims Against Company and
                Guarantor................................................   41
 Section 614.  Appointment of Authenticating Agent.......................   43
 
                                 ARTICLE SEVEN
 
          Holders' Lists and Reports by Trustee, Company and Guarantor
 
 Section 701.  Company and Guarantor to Furnish Trustee Names and
                Addresses of Holders.....................................   45
 Section 702.  Preservation of Information; Communications to Holders....   45
 Section 703.  Reports by Trustee........................................   46
 Section 704.  Reports by Company and Guarantor..........................   47
 
                                 ARTICLE EIGHT
 
              Consolidation, Merger, Conveyance, Transfer or Lease
 
 Section 801.  Company and Guarantor May Consolidate, Etc., Only on
                Certain Terms............................................   48
 Section 802.  Successor Substituted.....................................   48
 
                                  ARTICLE NINE
 
                            Supplemental Indentures
 
 Section 901.  Supplemental Indentures Without Consent of Holders........   48
 Section 902.  Supplemental Indentures With Consent of Holders...........   49
 Section 903.  Execution of Supplemental Indentures......................   50
 Section 904.  Effect of Supplemental Indentures.........................   50
 Section 905.  Conformity with Trust Indenture Act.......................   50
 Section 906.  Reference in Securities to Supplemental Indentures........   50
 
                                  ARTICLE TEN
 
                                   Covenants
 
 Section 1001. Payment of Principal, Premium and Interest................   51
 Section 1002. Maintenance of Office or Agency...........................   51
 Section 1003. Money for Securities Payments to Be Held in Trust.........   52
 Section 1004. Additional Amounts........................................   53
 Section 1005. Purchase of Securities by Company or Subsidiary...........   53
</TABLE>
 
                                       iv
<PAGE>
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
 <C>           <S>                                                          <C>
 Section 1006. Lien on Assets............................................    54
 Section 1007. Waiver of Certain Covenants...............................    54
 Section 1008. Defeasance of Certain Obligations.........................    54
 
                                 ARTICLE ELEVEN
 
                            Redemption of Securities
 
 Section 1101. Applicability of Article..................................    55
 Section 1102. Election to Redeem; Notice to Trustee.....................    55
 Section 1103. Selection by Trustee of Securities to Be Redeemed.........    56
 Section 1104. Notice of Redemption......................................    56
 Section 1105. Deposit of Redemption Price...............................    56
 Section 1106. Securities Payable on Redemption Date.....................    56
 Section 1107. Securities Redeemed in Part...............................    57
 
                                 ARTICLE TWELVE
 
                                 Sinking Funds
 
 Section 1201. Applicability of Article..................................    57
 Section 1202. Satisfaction of Sinking Fund Payments with Securities.....    58
 Section 1203. Redemption of Securities for Sinking Fund.................    58
 
                                ARTICLE THIRTEEN
 
                       Meetings of Holders of Securities
 
 Section 1301. Purposes for Which Meetings May Be Called.................    58
 Section 1302. Call, Notice and Place of Meetings........................    58
 Section 1303. Persons Entitled to Vote at Meetings......................    59
 Section 1304. Quorum; Action............................................    59
 Section 1305. Determination of Voting Rights; Conduct and Adjournment of
                Meetings.................................................    60
 Section 1306. Counting Votes and Recording Action of Meetings...........    60
 Signatures...............................................................   61
 Acknowledgements.........................................................   61
</TABLE>
 
                                       v
<PAGE>
 
  INDENTURE, dated as of October 1, 1997, among Ameritech Capital Funding
Corporation (the "Company"), Ameritech Corporation (the "Guarantor"), each a
corporation duly organized and existing under the laws of the State of
Delaware and having its principal office at 30 South Wacker Drive, Chicago,
Illinois 60606, and Harris Trust and Savings Bank, an Illinois banking
corporation, as Trustee (the "Trustee").
 
  Whereas, the Company has duly authorized the execution and delivery of this
Indenture to provide for the issuance from time to time of its unsecured
debentures, notes or other evidences of indebtedness (the "Securities"), to be
issued in one or more series as provided herein; and
 
  Whereas, the Guarantor has duly authorized the execution and delivery of
this Indenture and the Guarantees (as defined herein) and deems it appropriate
from time to time to issue its Guarantees of the Securities on the terms
herein provided;
 
  Now, Therefore, This Indenture Witnesseth that, for and in consideration of
the premises and the purchase of the Securities by the Holders thereof, it is
mutually agreed, for the equal and proportionate benefit of all Holders of the
Securities or of series thereof, as follows:
 
                                  ARTICLE ONE
 
            Definitions and Other Provisions of General Application
 
Section 101. Definitions.
 
  For all purposes of this Indenture, except as otherwise expressly provided
or unless the context otherwise requires:
 
    (a) the terms defined in this Article have the meanings assigned to them
  in this Article and include the plural as well as the singular;
 
    (b) all other terms used herein which are defined in the Trust Indenture
  Act, either directly or by reference therein, have the meanings assigned to
  them therein;
 
    (c) all accounting terms not otherwise defined herein have the meanings
  assigned to them in accordance with generally accepted accounting
  principles in the United States of America and, except as otherwise herein
  expressly provided, the term "generally accepted accounting principles"
  with respect to any computation required or permitted hereunder shall mean
  such accounting principles as are generally accepted in the United States
  of America at the date of such computation; and
 
    (d) the words "herein", "hereof" and "hereunder" and other words of
  similar import refer to this Indenture as a whole and not to any particular
  Article, Section or other subdivision hereof.
 
Certain terms, used principally in Article Six, are defined in that Article.
 
  "Act", when used with respect to any Holder of a Security, has the meaning
specified in Section 104.
 
  "Affiliate" of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common
control with such specified Person. For the purposes of this definition,
"control", when used with respect to any specified Person, means the power to
direct the management and policies of such Person, directly or indirectly,
whether through the ownership of voting securities, by contract or otherwise,
and the terms "controlling" and "controlled" have meanings correlative to the
foregoing.
 
  "Authenticating Agent" means any Person authorized by the Trustee pursuant
to Section 614 to act on behalf of the Trustee to authenticate Securities of
one or more series.
 
  "Authorized Newspaper" means a newspaper, in the English language or in an
official language of the country of publication, customarily published on each
Business Day, whether or not published on Saturdays,
<PAGE>
 
Sundays or holidays, and of general circulation in the place in connection
with which the term is used or in the financial community of such place. Where
successive publications are required to be made in Authorized Newspapers, the
successive publications may be made in the same or in different newspapers in
the same city meeting the foregoing requirements and in each case on any
Business Day.
 
  "Bearer Security" means any Security established pursuant to Section 201
which is payable to the bearer thereof.
 
  "Business Day" when used with respect to any Place of Payment or any other
particular location referred to in this Indenture or in the Securities, means
each Monday, Tuesday, Wednesday, Thursday and Friday which is not a day on
which banking institutions and trust companies in that Place of Payment or
other location are authorized or obligated by law or executive order to close.
 
  "Capital Stock" means, as to shares of a corporation, outstanding shares of
stock of any class whether now or hereafter authorized, irrespective of
whether such class shall be limited to a fixed sum or percentage in respect of
the rights of the holders thereof to participate in dividends and in the
distribution of assets upon the voluntary liquidation, dissolution or winding
up of such corporation.
 
  "CEDEL S.A." means Centrale de Livraison de Valeurs Mobilieres S.A.
 
  "Commission" means the Securities and Exchange Commission, as from time to
time constituted, created under the Securities Exchange Act of 1934, as
amended, or, if at any time after the execution of this instrument such
Commission is not existing and performing the duties now assigned to it under
the Trust Indenture Act, then the body performing such duties at such time.
 
  "Common Depository" has the meaning specified in Section 304.
 
  "Company" means the Person named as the "Company" in the first paragraph of
this instrument until a successor Person shall have become such pursuant to
the applicable provisions of this Indenture, and thereafter "Company" shall
mean such successor Person.
 
  "Company Request" or "Company Order" means a written request or order signed
in the name of the Company by the President or a Vice President and by the
Treasurer, an Assistant Treasurer, the Secretary or an Assistant Secretary of
the Company and delivered to the Trustee.
 
  "Corporate Trust Office" means the principal office of the Trustee (or any
successor trustee) at which at any particular time its corporate trust
business shall be administered or such other address as the Trustee (or any
successor Trustee) may designate from time to time by notice to the Holders
and the Company.
 
  "corporation" means a corporation, association, company, joint-stock company
or business trust.
 
  "coupon" means any interest coupon appertaining to a Bearer Security.
 
  "Defaulted Interest" has the meaning specified in Section 307.
 
  "Dollar" or "$" means a dollar or other equivalent unit in such coin or
currency of the United States of America as at the time shall be legal tender
for the payment of public and private debts.
 
  "Euro-clear" means Morgan Guaranty Trust Company of New York, Brussels
Office, as operator of the Euro-clear System.
 
  "Event of Default" has the meaning specified in Section 501.
 
  "Exchange Date" has the meaning specified in Section 304.
 
  "Guarantee" means the agreement of the Guarantor in the form set forth in
Section 311, to be endorsed on the Securities authenticated and delivered
hereunder.
 
                                       2
<PAGE>
 
  "Guarantor" means the Person named as the Guarantor in the first paragraph
of this instrument until a successor Person shall have become such pursuant to
the applicable provisions of this Indenture, and thereafter "Guarantor" shall
mean such successor Person.
 
  "Holder", when used with respect to any Security, means in the case of a
Registered Security the Person in whose name the Security is registered in the
Security Register and in the case of a Bearer Security (or any temporary
global Security) the bearer thereof and, when used with respect to any coupon,
means the bearer thereof.
 
  "Indenture" means this instrument as it may from time to time be
supplemented or amended by one or more indentures supplemental hereto entered
into pursuant to the applicable provisions hereof and shall include the terms
of particular series of Securities established as contemplated by Section 301.
 
  "interest", when used with respect to an Original Issue Discount Security
which by its terms bears interest only after Maturity, means interest payable
after Maturity.
 
  "Interest Payment Date", when used with respect to any Security, means the
Stated Maturity Date of an installment of interest on such Security.
 
  "Maturity", when used with respect to any Security, means the date on which
the principal of such Security or an installment of principal becomes due and
payable as therein or herein provided, whether at the Stated Maturity Date or
by declaration of acceleration, call for redemption or otherwise.
 
  "Mortgage" means and includes any mortgage, pledge, lien, security interest,
conditional sale or other title retention agreement or other similar
encumbrance.
 
  "Officers' Certificate" means a certificate signed by the President or a
Vice President and by the Treasurer, an Assistant Treasurer, the Secretary or
an Assistant Secretary of the Company, or by the Chairman, a Vice Chairman,
the President or a Vice President and by the Treasurer, an Assistant
Treasurer, the Secretary or an Assistant Secretary of the Guarantor, as the
case may be, and delivered to the Trustee.
 
  "Opinion of Counsel" means a written opinion of counsel, who may be an
employee of the Company or the Guarantor, as the case may be, or other counsel
who shall be acceptable to the Company or the Guarantor and the Trustee.
 
  "Original Issue Discount Security" means any Security which provides for an
amount less than the principal amount thereof to be due and payable upon a
declaration of acceleration of the Maturity thereof pursuant to Section 502 .
 
  "Outstanding", when used with respect to Securities, means, as of the date
of determination, all Securities theretofore authenticated and delivered under
this Indenture, except:
 
    (a) Securities theretofore cancelled by the Trustee or delivered to the
  Trustee for cancellation;
 
    (b) Securities for whose payment or redemption money in the necessary
  amount has been theretofore deposited with the Trustee or any Paying Agent
  (other than the Company) in trust or set aside and segregated in trust by
  the Company (if the Company shall act as its own Paying Agent) for the
  Holders of such Securities and any coupons thereto appertaining; provided,
  that if such Securities are to be redeemed, notice of such redemption has
  been duly given pursuant to this Indenture or provision therefor
  satisfactory to the Trustee has been made; and
 
    (c) Securities which have been paid pursuant to Section 306 or in
  exchange for or in lieu of which other Securities have been authenticated
  and delivered pursuant to this Indenture, other than any such Securities in
  respect of which there shall have been presented to the Trustee proof
  satisfactory to it that such Securities are held by a bona fide purchaser
  in whose hands such Securities are valid obligations of the Company;
 
                                       3
<PAGE>
 
provided, however, that in determining whether the Holders of the requisite
principal amount of the Outstanding Securities have given any request, demand,
authorization, direction, notice, consent or waiver hereunder or whether a
quorum is present at a meeting of Holders of Securities, (x) the principal
amount of an Original Issue Discount Security that shall be deemed to be
Outstanding 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 502, (y) the
principal amount of a Security denominated in a foreign currency or currencies
shall be the U.S. dollar equivalent, determined as of the date of original
issuance of such Security, of the principal amount (or, in the case of an
Original Issue Discount Security, the U.S. dollar equivalent on the date of
original issuance of such Security of the amount determined as provided in (x)
above) of such Security and (z) Securities owned by the Company, the Guarantor
or any other obligor upon the Securities or any Affiliate of the Company, the
Guarantor or of such other obligor shall be disregarded and deemed not to be
Outstanding, except that, in determining whether the Trustee shall be
protected in relying upon any such request, demand, authorization, direction,
notice, consent or waiver, or upon any such determination as to the presence
of a quorum, only Securities which the Trustee knows to be so owned shall be
so disregarded. Securities so owned which have been pledged in good faith may
be regarded as Outstanding if the pledgee establishes to the satisfaction of
the Trustee the pledgee's right so to act with respect to such Securities and
that the pledgee is not the Company or any other obligor upon the Securities
or any Affiliate of the Company or of such other obligor.
 
  "Paying Agent" means any Person authorized by the Company to pay the
principal of (and premium, if any) or any interest on any Securities on behalf
of the Company.
 
  "Person" means any individual, corporation, partnership, joint venture,
trust, unincorporated organization or government or any agency or political
subdivision thereof.
 
  "Place of Payment", when used with respect to the Securities of any series,
means the place or places where, subject to the provisions of Section 1002,
the principal of (and premium, if any) and any interest on the Securities of
that series are payable as specified as contemplated by Section 301.
 
  "Predecessor Security" of any particular Security means every previous
Security evidencing all or a portion of the same debt as that evidenced by
such particular Security, and, for the purposes of this definition, any
Security authenticated and delivered under Section 306 in exchange for or in
lieu of a mutilated, destroyed, lost or stolen Security or a Security to which
a mutilated, destroyed, lost or stolen coupon appertains shall be deemed to
evidence the same debt as the mutilated, destroyed, lost or stolen Security or
the Security to which the mutilated, destroyed, lost or stolen coupon
appertains, as the case may be.
 
  "Redemption Date", when used with respect to any Security to be redeemed,
means the date fixed for such redemption by or pursuant to this Indenture.
 
  "Redemption Price", when used with respect to any Security to be redeemed,
means the price at which it is to be redeemed pursuant to this Indenture.
 
  "Registered Security" means any Security in the form set forth in either
Exhibit A or Exhibit B to this Indenture or established pursuant to Section
201 which is registered in the Security Register.
 
  "Regular Record Date" for the interest payable on any Interest Payment Date
on the Registered Securities of any series means the date specified for that
purpose as contemplated by Section 301.
 
  "Resolution" means a resolution of the sole shareholder (or, if one exists,
the board of directors) of the Company or the board of directors of the
Guarantor, certified by such Person's Secretary or an Assistant Secretary to
have been duly adopted by its sole shareholder (or, if one exists, its board
of directors) or board of directors, respectively, and to be in full force and
effect on the date of such certification and delivered to the Trustee.
 
 
                                       4
<PAGE>
 
  "Responsible Officer", when used with respect to the Trustee, means any
officer of the Trustee assigned by it to administer its corporate trust
matters.
 
  "Securities" has the meaning stated in the first recital of this Indenture
and more particularly means any Securities authenticated and delivered under
this Indenture.
 
  "Security Register" and "Security Registrar" have the respective meanings
specified in Section 305.
 
  "Special Record Date" for the payment of any Defaulted Interest on the
Registered Securities of any series means a date fixed by the Trustee pursuant
to Section 307.
 
  "Stated Maturity Date", when used with respect to any Security or any
installment of principal thereof or interest thereon, means the date specified
in such Security or a coupon representing such installment of interest as the
fixed date on which the principal of such Security or such installment of
principal or interest is due and payable.
 
  "Subsidiary" means a corporation more than 50% of the outstanding Voting
Stock of which is owned, directly or indirectly, by the Company or by one or
more other Subsidiaries, or by the Company and one or more other Subsidiaries.
 
  "Trustee" means the Person named as the "Trustee" in the first paragraph of
this instrument until a successor Trustee shall have become such pursuant to
the applicable provisions of this Indenture, and thereafter "Trustee" shall
mean or include each Person who is then a Trustee hereunder, and if at any
time there is more than one such Person, "Trustee" as used with respect to the
Securities of any series shall mean the Trustee with respect to Securities of
that series.
 
  "Trust Indenture Act" means the Trust Indenture Act of 1939 as in force at
the date as of which this instrument was executed, except as provided in
Section 905.
 
  "United States" means the United States of America (including the States and
the District of Columbia), its territories, its possessions and other areas
subject to its jurisdiction.
 
  "United States Alien" means any Person who, for United States Federal income
tax purposes, is a foreign corporation, a non-resident alien individual, a
non-resident alien fiduciary of a foreign estate or trust, or a foreign
partnership one or more of the members of which is, for United States Federal
income tax purposes, a foreign corporation, a non-resident alien individual or
a non-resident alien fiduciary of a foreign estate or trust.
 
  "U.S. Depository" means, with respect to the Securities of any series
issuable or issued in whole or in part in the form of one or more permanent
global Securities, the Person designated as U.S. Depository by the Company
pursuant to Section 301, which must be a clearing agency registered under the
Securities Exchange Act of 1934, as amended, until a successor U.S. Depository
shall have become such pursuant to the applicable provisions of this
Indenture, and thereafter "U.S. Depository" shall mean or include each Person
who is then a U.S. Depository hereunder, and if at any time there is more than
one such Person, "U.S. Depository" shall mean the U.S. Depository with respect
to the Securities of that series.
 
  "U.S. Government Obligations" means direct obligations of the United States
for the payment of which its full faith and credit is pledged, or obligations
of a person controlled or supervised by and acting as an agency or
instrumentality of the United States and the payment of which is
unconditionally guaranteed as a full faith and credit obligation by the United
States which, in either case, are not callable or redeemable at the option of
the issuer thereof, and shall also include a depository receipt issued by a
bank (as defined in Section 3(a)(2) of the Securities Act of 1933, as amended)
as custodian with respect to any such U.S. Government Obligations or a
specific payment of or interest on any such U.S. Government Obligations held
by such custodian for the account of the holder of such depository receipt,
provided that (except as required by law) such custodian is not
 
                                       5
<PAGE>
 
authorized to make any deduction from the amount payable to the holder of such
depository receipt from any amount received by the custodian in respect of the
U.S. Government Obligations or the specific payment of principal of or
interest on the U.S. Government Obligations evidenced by such depository
receipt.
 
  "Vice President", when used with respect to the Company, the Guarantor or
the Trustee, means any vice president, whether or not designated by a number
or a word or words added before or after the title "vice president".
 
  "Voting Stock" means stock which ordinarily has voting power for the
election of directors, whether at all times or only so long as no senior class
of stock has such voting power by reason of any contingency.
 
Section 102. Compliance Certificates and Opinions.
 
  Except as otherwise expressly provided by this Indenture, upon any
application or request by the Company or the Guarantor to the Trustee to take
any action under any provision of this Indenture, the Company or the
Guarantor, as appropriate, shall furnish to the Trustee an Officers'
Certificate stating that all conditions precedent, if any, provided for in
this Indenture relating to the proposed action have been complied with and an
Opinion of Counsel stating that in the opinion of such counsel all such
conditions precedent, if any, have been complied with, except that in the case
of any such application or request as to which the furnishing of such
documents is specifically required by any provision of this Indenture relating
to such particular application or request, no additional certificate or
opinion need be furnished.
 
  Every certificate or opinion with respect to compliance with a condition or
covenant provided for in this Indenture shall include:
 
    (a) a statement that each individual signing such certificate or opinion
  has read such covenant or condition and the definitions herein relating
  thereto;
 
    (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 each such individual, he has made
  such examination or investigation as is necessary to enable him to express
  an informed opinion as to whether or not such covenant or condition has
  been complied with; and
 
    (d) a statement as to whether, in the opinion of each such individual,
  such condition or covenant has been complied with.
 
Section 103. Form of Documents Delivered to Trustee.
 
  In any case where several matters are required to be certified by, or
covered by an opinion of, any specified Person, it is not necessary that all
such matters be certified by, or covered by the opinion of, only one such
Person, or that they be so certified or covered by only one document, but one
such Person may certify or give an opinion with respect to some matters and
one or more other such Persons as to other matters, and any such Person may
certify or give an opinion as to such matters in one or several documents.
 
  Any certificate or opinion of an officer of the Company or the Guarantor may
be based, insofar as it relates to legal matters, upon a certificate or
opinion of, or representations by, counsel, unless such officer knows, or in
the exercise of reasonable care should know, that the certificate, opinion or
representations with respect to the matters upon which his certificate or
opinion is based is or are erroneous. Any such certificate or Opinion of
Counsel may be based, insofar as it relates to factual matters, upon a
certificate or opinion of, or representations by, an officer or officers of
the Company or the Guarantor stating that the information with respect to such
factual
 
                                       6
<PAGE>
 
matters is in the possession of the Company or the Guarantor, unless such
counsel knows, or in the exercise of reasonable care should know, that the
certificate, opinion or representations with respect to such matters is or are
erroneous.
 
  Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or other
instruments under this Indenture, they may, but need not, be consolidated and
form one instrument.
 
Section 104. Acts of Holders.
 
  (a) Any request, demand, authorization, direction, notice, consent, waiver
or other action provided by this Indenture to be given or taken by Holders of
any series may be embodied in and evidenced by one or more instruments of
substantially similar tenor signed by such Holders in person or by an agent
duly appointed in writing. If Securities of a series are issuable as Bearer
Securities, any request, demand, authorization, direction, notice, consent,
waiver or other action provided by this Indenture to be given or taken by
Holders of such series may, alternatively, be embodied in and evidenced by the
record of Holders of Securities of such series voting in favor thereof, either
in person or by proxies duly appointed in writing, at any meeting of Holders
of Securities of such series duly called and held in accordance with the
provisions of Article Thirteen, or a combination of such instruments and any
such record. Except as herein otherwise expressly provided, such action shall
become effective when such instrument or instruments or record or both are
delivered to the Trustee and, where it is hereby expressly required, to the
Company or the Guarantor. Such instrument or instruments and any such record
(and the action embodied therein and evidenced thereby) are herein sometimes
referred to as the "Act" of the Holders signing such instrument or instruments
and so voting at any such meeting. Proof of execution of any such instrument
or of a writing appointing any such agent, or of the holding by any Person of
a Security, shall be sufficient for any purpose of this Indenture and (subject
to Section 601) conclusive in favor of the Trustee, the Company and the
Guarantor, if made in the manner provided in this Section. The record of any
meeting of Holders of Securities shall be proved in the manner provided in
Section 1306 .
 
  Without limiting the generality of this Section 104, unless otherwise
established in or pursuant to a Resolution, set forth or determined in an
Officers' Certificate or established in one or more indentures supplemental
hereto, a Holder, including a U.S. Depository that is a Holder of a permanent
global Security, may make, give or take, by a proxy or proxies duly appointed
in writing, any request, demand, authorization, direction, notice, consent,
waiver or other action provided in this Indenture to be made, given or taken
by Holders, and a U.S. Depository that is a Holder of a permanent global
Security may provide its proxy or proxies to the beneficial owners of
interests in any such permanent global Security through such U.S. Depository's
standing instructions and customary practices.
 
  The Trustee shall fix a record date for the purpose of determining the
Persons who are beneficial owners of interests in any permanent global
Security held by a U.S. Depository entitled under the procedures of such U.S.
Depository to make, give or take, by a proxy or proxies duly appointed in
writing, any request, demand, authorization, direction, notice, consent,
waiver or other action provided in this Indenture to be made, given or taken
by Holders. If such a record date is fixed, the Holders on such record date or
their duly appointed proxy or proxies, and only such Persons, shall be
entitled to make, give or take such request, demand, authorization, direction,
notice, consent, waiver or other action, whether or not such Holders remain
Holders after such record date. No such request, demand, authorization,
direction, notice, consent, waiver or other action shall be valid or effective
if made, given or taken more than 90 days after such record date.
 
  (b) The fact and date of the execution by any Person of any such instrument
or writing may be proved in any manner which the Trustee deems sufficient.
 
  (c) The principal amount and serial numbers of Registered Securities held by
any Person, and the date of holding the same, shall be proved by the Security
Register.
 
                                       7
<PAGE>
 
  (d) The principal amount and serial numbers of Bearer Securities held by any
Person, and the date of holding the same, may be proved by the production of
such Bearer Securities or by a certificate executed, as depositary, by any
trust company, bank, banker or other depositary, wherever situated, if such
certificate shall be deemed by the Trustee to be satisfactory, showing that at
the date therein mentioned such Person had on deposit with such depositary, or
exhibited to it, the Bearer Securities therein described; or such facts may be
proved by the certificate or affidavit of the Person holding such Bearer
Securities, if such certificate or affidavit is deemed by the Trustee to be
satisfactory. The Trustee, the Company and the Guarantor may assume that such
ownership of any Bearer Security continues until (i) another certificate or
affidavit bearing a later date issued in respect of the same Bearer Security
is produced, (ii) such Bearer Security is produced to the Trustee by some
other Person, (iii) such Bearer Security is surrendered in exchange for a
Registered Security or (iv) such Bearer Security is no longer Outstanding. The
principal amounts and serial numbers of Bearer Securities held by any Person,
and the date of holding the same, may also be proved in any other manner which
the Trustee deems sufficient.
 
  (e) Any request, demand, authorization, direction, notice, consent, waiver
or other Act of the Holder of any Security shall bind every future Holder of
the same Security and the Holder of every Security issued upon the
registration of transfer thereof or in exchange therefor or in lieu thereof in
respect of anything done, omitted or suffered to be done by the Trustee, the
Company or the Guarantor in reliance thereon, whether or not notation of such
action is made upon such Security.
 
Section 105. Notices, Etc., to Trustee, Company and Guarantor.
 
  Any request, demand, authorization, direction, notice, consent, waiver or
Act of Holders or other document provided or permitted by this Indenture to be
made upon, given or furnished to, or filed with,
 
    (a) the Trustee by any Holder or by the Company or the Guarantor shall be
  sufficient for every purpose hereunder if made, given, furnished or filed
  in writing to or with the Trustee at its Corporate Trust Office, Attention:
  Indenture Trust Division,
 
    (b) the Company by the Trustee or by any Holder shall be sufficient for
  every purpose hereunder (unless otherwise herein expressly provided) if in
  writing and mailed, first-class postage prepaid, to the Company addressed
  to it at the address of its principal office specified in the first
  paragraph of this instrument, to the attention of its Secretary, or at any
  other address previously furnished in writing to the Trustee by the
  Company, or
 
    (c) the Guarantor by the Trustee or by any Holder shall be sufficient for
  every purpose hereunder (unless otherwise herein expressly provided) if in
  writing and mailed, first-class postage prepaid, to the Guarantor addressed
  to it at the address of its principal office specified in the first
  paragraph of this instrument, to the attention of its Secretary, or at any
  other address previously furnished in writing to the Trustee by the
  Guarantor.
 
Section 106. Notice to Holders of Securities; Waiver.
 
  Except as otherwise expressly provided herein or as otherwise specified as
contemplated by Section 301, where this Indenture provides for notice to
Holders of Securities of any event,
 
    (a) such notice shall be sufficiently given to Holders of Registered
  Securities if in writing and mailed, first-class postage prepaid, to each
  Holder of a Registered Security affected by such event, at his address as
  it appears in the Security Register, not later than the latest date, and
  not earlier than the earliest date, prescribed for the giving of such
  notice; and
 
    (b) such notice shall be sufficiently given to Holders of Bearer
  Securities if published in an Authorized Newspaper in The City of New York
  and in such other city or cities as may be specified in such Securities on
  a Business Day at least twice, the first such publication to be not earlier
  than the earliest date, and not later than the latest date, prescribed for
  the giving of such notice.
 
                                       8
<PAGE>
 
  In case by reason of the suspension of regular mail service or by reason of
any other cause it shall be impracticable to give such notice to Holders of
Registered Securities by mail, then such notification as shall be made with
the approval of the Trustee shall constitute a sufficient notification for
every purpose hereunder. In any case where notice to Holders of Registered
Securities is given by mail, neither the failure to mail such notice, nor any
defect in any notice so mailed, to any particular Holder of a Registered
Security shall affect the sufficiency of such notice with respect to other
Holders of Registered Securities or the sufficiency of any notice to Holders
of Bearer Securities given as provided herein.
 
  In case by reason of the suspension of publication of any Authorized
Newspaper or Authorized Newspapers or by reason of any other cause it shall be
impracticable to publish any notice to Holders of Bearer Securities as
provided above, then such notification to Holders of Bearer Securities as
shall be given with the approval of the Trustee shall constitute sufficient
notice to such Holders for every purpose hereunder. Neither the failure to
give notice by publication to Holders of Bearer Securities as provided above,
nor any defect in any notice so published, shall affect the sufficiency of any
notice to Holders of Registered Securities given as provided herein.
 
  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 of Securities shall be filed with the Trustee,
but such filing shall not be a condition precedent to the validity of any
action taken in reliance upon such waiver.
 
Section 107. Language of Notices, Etc.
 
  Any request, demand, authorization, direction, notice, consent or waiver
required or permitted under this Indenture shall be in the English language,
except that any published notice may be in an official language of the country
of publication.
 
Section 108. Conflict with Trust Indenture Act.
 
  If any provision hereof limits, qualifies or conflicts with duties imposed
by the Trust Indenture Act, such imposed duties shall control.
 
Section 109. Effect of Headings and Table of Contents.
 
  The Article and Section headings herein and the Table of Contents are for
convenience only and shall not affect the construction hereof.
 
Section 110. Successors and Assigns.
 
  All covenants and agreements in this Indenture by the Company and the
Guarantor shall bind each such Person's successors and assigns, whether so
expressed or not.
 
Section 111. Separability Clause.
 
  In case any provision in this Indenture or the Securities or coupons shall
be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or
impaired thereby.
 
Section 112. Benefits of Indenture.
 
  Nothing in this Indenture or the Securities or coupons, express or implied,
shall give to any Person, other than the parties hereto, their successors
hereunder and the Holders of Securities and coupons, any benefit or any legal
or equitable right, remedy or claim under this Indenture.
 
 
                                       9
<PAGE>
 
Section 113. Exemption from Individual Liability.
 
  No recourse under or upon any obligation, covenant or agreement of this
Indenture, or of any Security, or for any claim based thereon or otherwise in
respect thereof, shall be had against any incorporator, stockholder, officer
or director, as such, past, present or future, of the Company or the Guarantor
or of any successor corporation of either, either directly or through the
Company or the Guarantor, whether by virtue of any constitution, statute or
rule of law, or by the enforcement of any assessment or penalty or otherwise;
it being expressly understood that this Indenture and the obligations issued
hereunder are solely the corporate obligations of the Company and the
Guarantor, respectively, and that no such personal liability whatever shall
attach to, or is or shall be incurred by, the incorporators, stockholders,
officers or directors, as such, of the Company or the Guarantor or any
successor corporation of either, or any of them, because of the creation of
the indebtedness hereby authorized, or under or by reason of the obligations,
covenants or agreements contained in this Indenture or in any of the
Securities or implied therefrom; and that any and all such personal liability,
either at common law or in equity or by constitution or statute, of, and any
and all such rights and claims against, every such incorporator, stockholder,
officer or director, as such, because of the creation of the indebtedness
hereby authorized, or under or by reason of the obligations, covenants or
agreements contained in this Indenture or in any of the Securities or implied
therefrom, are hereby expressly waived and released as a condition of and as a
consideration for, the execution of this Indenture and the issue of such
Securities.
 
Section 114. Governing Law.
 
  This Indenture and the Securities, the Guarantees and the coupons shall be
governed by and construed in accordance with the internal laws (as opposed to
conflicts of laws provisions) of the State of Illinois.
 
Section 115. Legal Holidays.
 
  In any case where any Interest Payment Date, Redemption Date or Stated
Maturity Date of any Security shall not be a Business Day at any Place of
Payment, then (notwithstanding any other provision of this Indenture or of the
Securities or coupons other than a provision in the Securities of any series
which specifically states that such provision shall apply in lieu of this
Section) payment of interest or principal (and premium, if any) need not be
made at such Place of Payment on such date, but may be made on the next
succeeding Business Day at such Place of Payment with the same force and
effect as if made on the Interest Payment Date or Redemption Date, or at the
Stated Maturity Date, provided that no interest shall accrue on the amount so
payable for the period from and after such Interest Payment Date, Redemption
Date or Stated Maturity Date, as the case may be.
 
                                  ARTICLE TWO
 
                                Security Forms
 
Section 201. Forms Generally.
 
  The Registered Securities, if any, of each series and the Bearer Securities,
if any, of each series and related coupons shall be in substantially the forms
set forth in Exhibits A or B to this Indenture, or in such other form
(including permanent global form) as shall be established by or pursuant to a
Resolution of the Company or in one or more indentures supplemental hereto, in
each case with such appropriate insertions, omissions, substitutions and other
variations as are required or permitted by this Indenture, and may have such
letters, numbers or other marks of identification and such legends or
endorsements placed thereon as may be required to comply with the rules of any
securities exchange or as may, consistently herewith, be determined by the
officers executing such Securities or coupons, as evidenced by their execution
of the Securities or coupons. If temporary Securities of any series are issued
in global form as permitted by Section 304, the form thereof shall be
established as provided in the preceding sentence. If the forms of Securities
or coupons of any series (or any
 
                                      10
<PAGE>
 
such temporary global Security) are established by action taken pursuant to a
Resolution of the Company, a copy of an appropriate record of such action
shall be certified by the Secretary or an Assistant Secretary of the Company
and delivered to the Trustee at or prior to the delivery of the Company Order
contemplated by Section 303 for the authentication and delivery of such
Securities (or any such temporary global Security) or coupons.
 
  Unless otherwise specified as contemplated by Section 301, Securities in
bearer form shall have interest coupons attached.
 
  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, as
evidenced by their execution of such Securities or coupons.
 
Section 202. Form of Trustee's Certificate of Authentication.
 
  The Trustee's certificates of authentication shall be in substantially the
following form:
 
This is one of the Securities of the series designated herein and referred to
in the within-mentioned Indenture.
 
                                          Harris Trust and Savings Bank,
                                          as Trustee
 
                                          By ___________________________________
                                                    Authorized Officer
 
Section 203. Securities in Global Form.
 
  If Securities of a series are issuable in global form, as specified as
contemplated by Section 301, then, notwithstanding clause (k) of Section 301
and the provisions of Section 302, any such Security shall represent such of
the Outstanding Securities of such series as shall be specified therein and
may provide that it shall represent the aggregate amount of Outstanding
Securities from time to time endorsed thereon and that the aggregate amount of
Outstanding Securities represented thereby may from time to time be reduced to
reflect exchanges. Any endorsement of a Security in global form to reflect the
amount, or any increase or decrease in the amount, of Outstanding Securities
represented thereby shall be made by the Trustee in such manner and upon
instructions given by such Person or Persons as shall be specified therein or
in the Company Order to be delivered to the Trustee pursuant to Section 303 or
Section 304; provided, that such endorsement shall be made by the Common
Depository with respect to temporary global securities in bearer form. Subject
to the provisions of Section 303 and, if applicable, Section 304, the Trustee
shall deliver and redeliver any Security in permanent global form in the
manner and upon instructions given by the Person or Persons specified therein
or in the applicable Company Order. If a Company Order pursuant to Section 303
or 304 has been, or simultaneously is, delivered, any instructions by the
Company with respect to endorsement or delivery or redelivery of a Security in
global form shall be in writing but need not comply with Section 102 and need
not be accompanied by an Opinion of Counsel.
 
  The provisions of the last sentence of Section 303 shall apply to any
Security represented by a Security in global form if such Security was never
issued and sold by the Company and the Company delivers to the Trustee the
Security in global form together with written instructions (which need not
comply with Section 102 and need not be accompanied by an Opinion of Counsel)
with regard to the reduction in the principal amount of Securities represented
thereby, together with the written statement contemplated by the last sentence
of Section 303.
 
 
                                      11
<PAGE>
 
  Notwithstanding the provisions of Sections 201 and 307, unless otherwise
specified as contemplated by Section 301, payment of principal of and any
premium and interest on any Security in permanent global form shall be made to
the Person or Persons specified therein.
 
  Notwithstanding the provisions of Section 308 and except as provided in the
preceding paragraph, the Company, the Guarantor, the Trustee and any agent of
the Company, the Guarantor and the Trustee shall treat a person as the Holder
of such principal amount of Outstanding Securities represented by a permanent
global Security as shall be specified in a written statement of the Holder of
such permanent global Security or, in the case of a permanent global Security
in bearer form, of Euro-clear or CEDEL S.A. and produced to the Trustee by
such Person.
 
                                 ARTICLE THREE
 
                                The Securities
 
Section 301. Amount Unlimited; Issuable in Series.
 
  The aggregate principal amount of Securities which may be authenticated and
delivered under this Indenture is unlimited.
 
  The Securities may be issued in one or more series. There shall be
established in or pursuant to a Resolution of the Company and, subject to
Section 303, set forth, or determined in the manner provided, in an Officers'
Certificate of the Company (which shall comply with Section 102 ), or
established in one or more indentures supplemental hereto, prior to the
issuance of Securities of any series:
 
    (a) the title of the Securities of the series (which shall distinguish
  the Securities of the series from all other Securities);
 
    (b) any limit upon the aggregate principal amount of the Securities of
  the series which may be authenticated and delivered under this Indenture
  (except for Securities authenticated and delivered upon registration of
  transfer of, or in exchange for, or in lieu of, other Securities of the
  series pursuant to Section 304, 305, 306, 906 or 1107 and except for any
  Securities which, pursuant to Section 303, are deemed never to have been
  authenticated and delivered hereunder);
 
    (c) whether Securities of the series are to be issuable as Registered
  Securities, Bearer Securities or both, whether any Securities of the series
  are to be issuable initially in temporary global form and whether any
  Securities of the series are to be issuable in permanent global form with
  or without coupons and, if so, (i) whether beneficial owners of interests
  in any such permanent global Security may exchange such interests for
  Securities of such series and of like tenor of any authorized form and
  denomination and the circumstances under which any such exchanges may
  occur, if other than in the manner provided in Section 305, and (ii) the
  name of the Common Depository or the U.S. Depository, as the case may be,
  with respect to any global Security;
 
    (d) the Person to whom any interest on any Registered Security of the
  series shall be payable, if other than the Person in whose name that
  Security (or one or more Predecessor Securities) is registered at the close
  of business on the Regular Record Date for such interest, the manner in
  which, or the Person to whom, any interest on any Bearer Security of the
  series shall be payable, if otherwise than upon presentation and surrender
  of the coupons appertaining thereto as they severally mature, and the
  extent to which, or the manner in which, any interest payable on a
  temporary global Security on an Interest Payment Date will be paid if other
  than in the manner provided in Section 304;
 
    (e) the date or dates on which the principal of the Securities of the
  series is payable and whether such date or dates may be extended at the
  option of the Company;
 
    (f) the rate or rates (or formula for determining such rate or rates) at
  which the Securities of the series shall bear interest, if any, the date or
  dates from which any such interest shall accrue, the Interest Payment
 
                                      12
<PAGE>
 
  Dates on which any such interest shall be payable, and the Regular Record
  Date for any interest payable on any Registered Securities on any Interest
  Payment Date;
 
    (g) whether the interest rate or interest rate formula, as the case may
  be, for Securities of the series may be reset at the option of the Company
  and, if so, the date or dates on which such interest rate or interest rate
  formula, as the case may be, may be reset;
 
    (h) the place or places where, subject to the provisions of Section 1002,
  the principal of and any premium and interest on Securities of the series
  shall be payable, any Registered Securities of the series may be
  surrendered for registration of transfer, Securities of the series may be
  surrendered for exchange and notices and demands to or upon the Company or
  the Guarantor in respect of the Securities of the series and this Indenture
  may be served;
 
    (i) the period or periods within which, the price or prices at which and
  the terms and conditions upon which Securities of the series may be
  redeemed, in whole or in part, at the option of the Company or repaid at
  the option of the Holders;
 
    (j) the obligation, if any, of the Company to redeem or purchase
  Securities of the series pursuant to any sinking fund or analogous
  provisions or at the option of a Holder thereof and the period or periods
  within which, the price or prices at which and the terms and conditions
  upon which Securities of the series shall be redeemed or purchased, in
  whole or in part, pursuant to such obligation;
 
    (k) the denominations in which any Registered Securities of the series
  shall be issuable, if other than denominations of $1,000 and any integral
  multiple thereof, and the denomination or denominations in which any Bearer
  Securities of the series shall be issuable, if other than the denomination
  of $5,000;
 
    (1) the currency or currencies, including composite currencies, in which
  payment of the principal of and any premium and interest on the Securities
  of the series shall be payable if other than the currency of the United
  States;
 
    (m) if the amount of payments of principal of and any premium or interest
  on the Securities of the series may be determined with reference to an
  index, the manner in which such amounts shall be determined;
 
    (n) if other than the principal amount thereof, the portion of the
  principal amount of any Securities of the series which shall be payable
  upon declaration of acceleration of the Maturity thereof pursuant to
  Section 502;
 
    (o) any additional Events of Default or restrictive covenants with
  respect to Securities of such series which are not set forth herein;
 
    (p) the application, if any, of Section 403 to the Securities of the
  series;
 
    (q) the application, if any, of Section 1008 to the Securities of the
  series; and
 
    (r) 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 the coupons appertaining to any Bearer
Securities of such series shall be substantially identical except, in the case
of Registered Securities, as to denomination and except as may otherwise be
provided in or pursuant to the Resolution referred to above and (subject to
Section 303) set forth in the Officers' Certificate referred to above or in
any such indenture supplemental hereto.
 
  If any of the terms of the series are established by action taken pursuant
to a Resolution of the Company, a copy of an appropriate record of such action
shall be certified by the Secretary or an Assistant Secretary of the Company
and delivered to the Trustee at or prior to the delivery of the Officers'
Certificate setting forth the terms of the series.
 
 
                                      13
<PAGE>
 
Section 302. Denominations.
 
  Unless otherwise provided as contemplated by Section 301 with respect to any
series of Securities, any Registered Securities of a series shall be issuable
in denominations of $1,000 and any integral multiple thereof and any Bearer
Securities of a series shall be issuable in the denomination of $5,000.
 
Section 303. Execution, Authentication, Delivery and Dating.
 
  The Securities shall be executed on behalf of the Company by any one of the
President, a Vice President, the Treasurer or an Assistant Treasurer of the
Company and the Guarantees endorsed thereon shall be executed on behalf of the
Guarantor by any one of the Chairman, a Vice Chairman, the President, a Vice
President, the Treasurer or an Assistant Treasurer of the Guarantor, under its
corporate seal reproduced thereon. The signature of any of these officers on
the Securities or Guarantees may be manual or facsimile. Coupons shall bear
the facsimile signature of any such officer of the Company.
 
  Securities, coupons and Guarantees bearing the manual or facsimile
signatures of individuals who were at any time the proper officers of the
Company or the Guarantor, as the case may be, shall bind the Company and the
Guarantor, as the case may be, notwithstanding that such individuals or any of
them have ceased to hold such offices prior to the authentication and delivery
of such Securities and Guarantees or did not hold such offices at the date of
such Securities and Guarantees.
 
  At any time and from time to time after the execution and delivery of this
Indenture, the Company may deliver Securities of any series with duly executed
Guarantees endorsed thereon, together with any coupons appertaining thereto,
executed by the Company, to the Trustee for authentication, together with a
Company Order for the authentication and delivery of such Securities, and the
Trustee in accordance with the Company Order shall authenticate and deliver
such Securities; provided, however, that, in connection with its original
issuance, no Bearer Security shall be mailed or otherwise delivered to any
location in the United States; and provided, further, that a Bearer Security
may be delivered in connection with its original issuance only if the Person
entitled to receive such Bearer Security shall have furnished a certificate in
the form set forth in Exhibit C.1 to this Indenture, dated no earlier than 15
days prior to the earlier of the date on which such Bearer Security is
delivered and the date on which any temporary Security first becomes
exchangeable for such Bearer Security in accordance with the terms of such
temporary Security and this Indenture. If any Security shall be represented by
a permanent global Bearer Security, then, for purposes of this Section and
Section 304, the notation of a beneficial owner's interest therein upon
original issuance of such Security or upon exchange of a portion of a
temporary global Security shall be deemed to be delivery in connection with
its original issuance of such beneficial owner's interest in such permanent
global Security. Except as permitted by Section 304 or 306, the Trustee shall
not authenticate and deliver any Bearer Security unless all appurtenant
coupons for interest then matured have been detached and cancelled.
 
  If the forms or terms of the Securities of the series and any related
coupons have been established in or pursuant to one or more Resolutions of the
Company as permitted by Sections 201 and 301, in authenticating such
Securities, and accepting the additional responsibilities under this Indenture
in relation to such Securities, the Trustee shall be entitled to receive, and
(subject to Section 601) shall be fully protected in relying upon, an Opinion
of Counsel stating:
 
    (a) if the forms of such Securities and any coupons have been established
  by or pursuant to a Resolution of the Company as permitted by Section 201,
  that such forms have been established in conformity with the provisions of
  this Indenture;
 
    (b) if the terms of such Securities and any coupons have been established
  by or pursuant to a Resolution of the Company as permitted by Section 301,
  that such terms have been established in conformity with the provisions of
  this Indenture;
 
    (c) that such Securities with Guarantees endorsed thereon, together with
  any coupons appertaining thereto, when authenticated and delivered by the
  Trustee and issued by the Company in the manner and subject to any
  conditions specified in such Opinion of Counsel, will constitute valid and
  legally binding
 
                                      14
<PAGE>
 
  obligations of the Company and the Guarantor, enforceable in accordance
  with their terms, subject, as to enforcement, to bankruptcy, insolvency,
  reorganization and other laws of general applicability relating to or
  affecting the enforcement of creditors' rights and to general equity
  principles; and
 
    (d) such other matters as the Trustee may reasonably request.
 
  If such forms or terms have been so established, the Trustee shall not be
required to authenticate such Securities if the issue of such Securities
pursuant to this Indenture will affect the Trustee's own rights, duties or
immunities under the Securities and this Indenture or otherwise in a manner
which is not reasonably acceptable to the Trustee.
 
  Notwithstanding the provisions of Section 301 and of the preceding
paragraph, if all Securities of a series are not to be originally issued at
one time, it shall not be necessary to deliver the Officers' Certificate
otherwise required pursuant to Section 301 or the Company Order and Opinion of
Counsel otherwise required pursuant to such preceding paragraph at or prior to
the time of authentication of each Security of such series if such documents
are delivered at or prior to the authentication upon original issuance of the
first Security of such series to be issued.
 
  Each Registered Security shall be dated the date of its authentication, and
each Bearer Security and any temporary Bearer Security in global form shall be
dated as of the date of original issuance of the first Security of such series
to be issued.
 
  No Security or coupon shall be entitled to any benefit under this Indenture
or be valid or obligatory for any purpose unless there appears on such
Security a certificate of authentication substantially in the form provided
for herein executed by the Trustee by manual signature, and such certificate
upon any Security shall be conclusive evidence, and the only evidence, that
such Security has been duly authenticated and delivered hereunder.
Notwithstanding the foregoing, if any Security shall have been duly
authenticated and delivered hereunder but never issued and sold by the
Company, and the Company shall deliver such Security to the Trustee for
cancellation as provided in Section 309 together with a written statement
(which need not comply with Section 102 and need not be accompanied by an
Opinion of Counsel) stating that such Security has never been issued and sold
by the Company, for all purposes of this Indenture such Security shall be
deemed never to have been authenticated and delivered hereunder and shall
never be entitled to the benefits of this Indenture.
 
Section 304. Temporary Securities.
 
  Pending the preparation of definitive Securities of any series, the Company
may execute, and upon Company Order the Trustee shall authenticate and
deliver, temporary Securities with duly executed Guarantees endorsed thereon
which are printed, lithographed, typewritten, mimeographed or otherwise
produced, in any authorized denomination, substantially of the tenor of the
definitive Securities in lieu of which they are issued, in registered form or,
if authorized, in bearer form with one or more coupons or without coupons, and
with such appropriate insertions, omissions, substitutions and other
variations as the officers executing such Securities and Guarantees may
determine, as evidenced by their execution of such Securities and Guarantees.
In the case of any series issuable as Bearer Securities, such temporary
Securities may be in global form.
 
  Except in the case of temporary Securities in global form (which shall be
exchanged in accordance with the provisions of the following paragraphs), if
temporary Securities of any series are issued, the Company will cause
definitive Securities of that series to be prepared without unreasonable
delay. After the preparation of definitive Securities of such series, the
temporary Securities of such series shall be exchangeable for definitive
Securities of such series upon surrender of the temporary Securities of such
series at the office or agency of the Company maintained pursuant to Section
1002 in a Place of Payment for such series for the purpose of exchanges of
Securities of such series, without charge to the Holder. Upon surrender for
cancellation of any one or more temporary Securities of any series
(accompanied by any unmatured coupons appertaining thereto) the Company
 
                                      15
<PAGE>
 
and the Guarantor shall execute and the Trustee shall authenticate and deliver
in exchange therefor a like aggregate principal amount of definitive
Securities of the same series and of like tenor of authorized denominations;
provided, however, that no definitive Bearer Security shall be delivered in
exchange for a temporary Registered Security; and provided, further, that a
definitive Bearer Security shall be delivered in exchange for a temporary
Bearer Security only in compliance with the conditions set forth in Section
303.
 
  If temporary Securities of any series are issued in global form, any such
temporary global Security shall, unless otherwise provided therein, be
delivered to the London office of a depositary or common depositary (the
"Common Depositary"), for the benefit of Euro-clear and CEDEL S.A., for credit
to the respective accounts of the beneficial owners of such Securities (or to
such other accounts as they may direct).
 
  Without unnecessary delay but in any event not later than the date specified
in, or determined pursuant to the terms of, any such temporary global Security
(the "Exchange Date"), the Company shall deliver to the Trustee definitive
Securities, in aggregate principal amount equal to the principal amount of
such temporary global Security, or, if so specified as contemplated by Section
301, a permanent global Security, in either case, executed by the Company with
a duly executed Guarantee endorsed thereon. On or after the Exchange Date such
temporary global Security shall be surrendered by the Common Depositary to the
Trustee, as the Company's agent for such purpose, to be exchanged, in whole or
from time to time in part, for definitive Securities without charge and the
Trustee shall authenticate and deliver, in exchange for each portion of such
temporary global Security, an equal aggregate principal amount of definitive
Securities of the same series of authorized denominations and of like tenor as
the portion of such temporary global Security to be exchanged with a duly
executed Guarantee endorsed thereon. The definitive Securities to be delivered
in exchange for any such temporary global Security shall be in definitive
bearer form, definitive registered form, permanent global bearer form or
permanent global registered form, or any combination thereof, as specified as
contemplated by Section 301, and, if any combination thereof is so specified,
as requested by the beneficial owner thereof; provided, however, that, unless
otherwise specified in such temporary global Security, upon such presentation
by the Common Depository, such temporary global Security is accompanied by a
certificate dated the Exchange Date or a subsequent date and signed by Euro-
clear as to the portion of such temporary global Security held for its account
then to be exchanged and a certificate dated the Exchange Date or a subsequent
date and signed by CEDEL S.A. as to the portion of such temporary global
Security held for its account then to be exchanged, each in the form set forth
in Exhibit C.2 to this Indenture; and provided, further, that definitive
Bearer Securities shall be delivered in exchange for a portion of a temporary
global Security only in compliance with the requirements of Section 303.
 
  Unless otherwise specified in such temporary global Security, the interest
of a beneficial owner of Securities of a series in a temporary global Security
shall be exchanged for definitive Securities of the same series and of like
tenor following the Exchange Date when the account holder instructs Euro-clear
or CEDEL S.A., as the case may be, to request such exchange on his behalf and
delivers to Euro-clear or CEDEL S.A., as the case may be, a certificate in the
form set forth in Exhibit C.1 to this Indenture, dated no earlier than 15 days
prior to the Exchange Date, copies of which certificate shall be available
from the offices of Euro-clear and CEDEL S.A., the Trustee, any Authenticating
Agent appointed for such series of Securities and each Paying Agent. Unless
otherwise specified in such temporary global Security, any such exchange shall
be made free of charge to the beneficial owners of such temporary global
Security, except that a Person receiving definitive Securities must bear the
cost of insurance, postage, transportation and the like in the event that such
Person does not take delivery of such definitive Securities in person at the
offices of Euro-clear or CEDEL S.A. Definitive Securities in bearer form to be
delivered in exchange for any portion of a temporary global Security shall be
delivered only outside the United States.
 
  Until exchanged in full as hereinabove provided, the temporary Securities of
any series shall in all respects be entitled to the same benefits under this
Indenture as definitive Securities of the same series and of like tenor
authenticated and delivered hereunder, except that, unless otherwise specified
as contemplated by Section 301, interest payable on a temporary global
Security on an Interest Payment Date for Securities of such series
 
                                      16
<PAGE>
 
occurring prior to the applicable Exchange Date shall be payable to Euro-clear
and CEDEL S.A. on such Interest Payment Date upon delivery by Euro-clear and
CEDEL S.A. to the Trustee of a certificate or certificates in the form set
forth in Exhibit C.3 to this Indenture, for credit without further interest on
or after such Interest Payment Date to the respective accounts of the Persons
who are the beneficial owners of such temporary global Security on such
Interest Payment Date and who have each delivered to Euro-clear or CEDEL S.A.,
as the case may be, a certificate in the form set forth in Exhibit C.4 to this
Indenture. Any interest so received by Euro-clear and CEDEL S.A. and not paid
as herein provided shall be returned to the Trustee immediately prior to the
expiration of two years after such Interest Payment Date in order to be repaid
to the Company in accordance with Section 1003.
 
Section 305. Registration, Registration of Transfer and Exchange.
 
  With respect to the Securities of each series, the Company shall cause to be
kept at an office or agency to be maintained by the Company in accordance with
Section 1002 a register (being the combined register of the Security Registrar
and all transfer agents designated pursuant to Section 1002 for the purpose of
registration of transfer of Securities and sometimes collectively referred to
as the "Security Register") in which, subject to such reasonable regulations
as it may prescribe, the Company shall provide for the registration of
Registered Securities and the registration of transfers of Registered
Securities. The Trustee is hereby appointed "Security Registrar" for the
purpose of registering Registered Securities and transfers of Registered
Securities as herein provided.
 
  Upon surrender for registration of transfer of any Registered Security of
any series at the office or agency of the Company maintained pursuant to
Section 1002 for such purpose in a Place of Payment for such series, the
Company shall execute, and the Trustee shall authenticate and deliver (with
duly executed Guarantees endorsed thereon), in the name of the designated
transferee or transferees, one or more new Registered Securities of the same
series of any authorized denominations and of a like aggregate principal
amount and tenor.
 
  At the option of the Holder, Registered Securities of any series may be
exchanged for other Registered Securities of the same series of any authorized
denominations and of a like aggregate principal amount and tenor, upon
surrender of the Securities to be exchanged at any such office or agency.
Whenever any Securities are so surrendered for exchange, the Company shall
execute, and the Trustee shall authenticate and deliver (with duly executed
Guarantees endorsed thereon), the Securities which the Holder making the
exchange is entitled to receive. Except as otherwise specified as contemplated
by Section 301, Bearer Securities may not be issued in exchange for Registered
Securities.
 
  At the option of the Holder, Bearer Securities of any series may be
exchanged for Registered Securities of the same series of any authorized
denominations and of a like aggregate principal amount and tenor, upon
surrender of the Bearer Securities to be exchanged at any such office or
agency, with all unmatured coupons and all matured coupons in default thereto
appertaining. If the Holder of a Bearer Security is unable to produce any such
unmatured coupon or coupons or matured coupon or coupons in default, such
exchange may be effected if the Bearer Securities are accompanied by payment
in funds acceptable to the Company in an amount equal to the face amount of
such missing coupon or coupons, or the surrender of such missing coupon or
coupons may be waived by the Company, the Guarantor and the Trustee if there
is furnished to them such security or indemnity as they may require to save
each of them and any Paying Agent harmless. If thereafter the Holder of such
Security shall surrender to any Paying Agent any such missing coupon in
respect of which such a payment shall have been made, such Holder shall be
entitled to receive the amount of such payment; provided, however, that,
except as otherwise provided in Section 1002, interest represented by coupons
shall be payable only upon presentation and surrender of those coupons at an
office or agency located outside the United States. Notwithstanding the
foregoing, in case a Bearer Security of any series is surrendered at any such
office or agency in exchange for a Registered Security of the same series and
like tenor after the close of business at such office or agency on (a) any
Regular Record Date and before the opening of business at such office or
agency on the relevant Interest Payment Date, or (b) any Special Record Date
and before the opening of business at such office
 
                                      17
<PAGE>
 
or agency on the related proposed date for payment of Defaulted Interest, such
Bearer Security shall be surrendered without the coupon relating to such
Interest Payment Date or proposed date for payment, as the case may be, and
interest or Defaulted Interest, as the case may be, will not be payable on
such Interest Payment Date or proposed date for payment, as the case may be,
in respect of the Registered Security issued in exchange for such Bearer
Security, but will be payable only to the Holder of such coupon when due in
accordance with the provisions of this Indenture.
 
  Whenever any Securities are so surrendered for exchange, the Company shall
execute, and the Trustee shall authenticate and deliver (with duly executed
Guarantees endorsed thereon), the Securities which the Holder making the
exchange is entitled to receive.
 
  Notwithstanding the foregoing, except as otherwise specified as contemplated
by Section 301, any permanent global Security shall be exchangeable only as
provided in this paragraph. If the beneficial owners of interests in a
permanent global Security are entitled to exchange such interests for
Securities of such series and of like tenor and principal amount of another
authorized form and denomination, as specified as contemplated by Section 301,
then without unnecessary delay but in any event not later than the earliest
date on which such interests may be so exchanged, the Company shall deliver to
the Trustee definitive Securities of that series (with duly executed
Guarantees endorsed thereon) in aggregate principal amount equal to the
principal amount of such permanent global Security, executed by the Company.
On or after the earliest date on which such interests may be so exchanged,
such permanent global Securities shall be surrendered from time to time by the
Common Depository or the U.S. Depository, as the case may be, and in
accordance with instructions given to the Trustee and the Common Depository or
the U.S. Depository, as the case may be (which instructions shall be in
writing but need not comply with Section 102 or be accompanied by an Opinion
of Counsel), as shall be specified in the Company Order with respect thereto
to the Trustee, as the Company's agent for such purpose, to be exchanged, in
whole or in part, for definitive Securities of the same series without charge.
The Trustee shall authenticate and make available for delivery, in exchange
for each portion of such surrendered permanent global Security, a like
aggregate principal amount of definitive Securities of the same series of
authorized denominations and of like tenor as the portion of such permanent
global Security to be exchanged which (unless the Securities of the series are
not issuable both as Bearer Securities and as Registered Securities, in which
case the definitive Securities exchanged for the permanent global Security
shall be issuable only in the form in which the Securities are issuable, as
specified as contemplated by Section 301) shall be in the form of Bearer
Securities or Registered Securities, or any combination thereof, as shall be
specified by the beneficial owner thereof; provided, however, that no such
exchanges may occur during a period beginning at the opening of business 15
days before any selection of Securities of that series to be redeemed and
ending on the relevant Redemption Date; and provided, further, that no Bearer
Security delivered in exchange for a portion of a permanent global Security
shall be mailed or otherwise delivered to any location in the United States.
Promptly following any such exchange in part, such permanent global Security
shall be returned by the Trustee to the Common Depository or the U.S.
Depository, as the case may be, or such other depositary or Common Depository
or U.S. Depository referred to above in accordance with the instructions of
the Company referred to above. If a Registered Security is issued in exchange
for any portion of a permanent global Security after the close of business at
the office or agency where such exchange occurs on (a) any Regular Record Date
and before the opening of business at such office or agency on the relevant
Interest Payment Date, or (b) any Special Record Date and before the opening
of business at such office or agency on the related proposed date for payment
of interest or Defaulted Interest, as the case may be, such interest or
Defaulted Interest will not be payable on such Interest Payment Date or
proposed date for payment, as the case may be, in respect of such Registered
Security, but will be payable on such Interest Payment Date or proposed date
for payment, as the case may be, only to the Person to whom interest in
respect of such portion of such permanent global Security is payable in
accordance with the provisions of this Indenture.
 
  All Securities (with Guarantees endorsed thereon) issued upon any
registration of transfer or exchange of Securities shall be the valid
obligations of the Company and the Guarantor, evidencing the same debt and
entitled to the same benefits under this Indenture as the Securities
surrendered upon such registration of transfer or exchange.
 
                                      18
<PAGE>
 
  Every Registered Security presented or surrendered for registration of
transfer or for exchange shall (if so required by the Company, the Guarantor
or the Trustee or any transfer agent) be duly endorsed, or be accompanied by a
written instrument of transfer in form satisfactory to the Company, the
Guarantor and the Security Registrar or any transfer agent duly executed, by
the Holder thereof or his attorney duly authorized in writing.
 
  No service charge shall be made for any registration of transfer or exchange
of Securities, but the Company and the Guarantor may require payment of a sum
sufficient to cover any tax or other governmental charge that may be imposed
in connection with any registration of transfer or exchange of Securities,
other than exchanges pursuant to Section 304, 906 or 1107 not involving any
transfer.
 
  The Company shall not be required (a) to issue, register the transfer of or
exchange Securities of any series during a period beginning at the opening of
business 15 days before any selection of Securities of that series to be
redeemed and ending at the close of business on (i) if Securities of the
series are issuable only as Registered Securities, the day of the mailing of
the relevant notice of redemption and (ii) if Securities of the series are
issuable as Bearer Securities, the day of the first publication of the
relevant notice of redemption or, if Securities of the series are also
issuable as Registered Securities and there is no publication, the mailing of
the relevant notice of redemption, or (b) to register the transfer of or
exchange any Registered Security so selected for redemption, in whole or in
part, except the unredeemed portion of any Security being redeemed in part, or
(c) to exchange any Bearer Security so selected for redemption except that
such a Bearer Security may be exchanged for a Registered Security of that
series and like tenor, provided that such Registered Security shall be
simultaneously surrendered for redemption.
 
Section 306. Mutilated, Destroyed, Lost and Stolen Securities and Coupons.
 
  If any mutilated Security or a Security with a mutilated coupon appertaining
to it is surrendered to the Trustee, the Company shall execute and the Trustee
shall authenticate and deliver (with the Guarantee thereon executed by the
Guarantor) in exchange therefor a new Security of the same series and of like
tenor and principal amount and bearing a number not contemporaneously
outstanding, with coupons corresponding to the coupons, if any, appertaining
to the surrendered Security.
 
  If there shall be delivered to the Company, the Guarantor and the Trustee
(a) evidence to their satisfaction of the destruction, loss or theft of any
Security or coupon and (b) such security or indemnity as may be required by
them to save each of them and any agent of any of them harmless, then, in the
absence of notice to the Company or the Trustee that such Security or coupon
has been acquired by a bona fide purchaser, the Company shall execute and the
Trustee shall authenticate and deliver (with the Guarantee thereon executed by
the Guarantor), in lieu of any such destroyed, lost or stolen Security or in
exchange for the Security to which a destroyed, lost or stolen coupon
appertains (with all appurtenant coupons not destroyed, lost or stolen), a new
Security of the same series and of like tenor and principal amount and bearing
a number not contemporaneously outstanding, with coupons corresponding to the
coupons, if any, appertaining to such destroyed, lost or stolen Security or to
the Security to which such destroyed, lost or stolen coupon appertains.
 
  In case any such mutilated, destroyed, lost or stolen Security or coupon has
become or is about to become due and payable, the Company in its discretion
may, instead of issuing a new Security, pay such Security or coupon; provided,
however, that the principal of (and premium, if any) and any interest on
Bearer Securities shall, except as otherwise provided in Section 1002, be
payable only at an office or agency located outside the United States and,
unless otherwise specified as contemplated by Section 301, any interest on
Bearer Securities shall be payable only upon presentation and surrender of the
coupons appertaining thereto.
 
  Upon the issuance of any new Security under this Section, the Company and
the Guarantor may require payment of a sum sufficient to cover any tax or
other governmental charge that may be imposed in relation thereto and any
other expenses (including the fees and expenses of the Trustee) connected
therewith.
 
                                      19
<PAGE>
 
  Every new Security of any series, with its coupons, if any, issued pursuant
to this Section in lieu of any destroyed, lost or stolen Security or in
exchange for a Security to which a destroyed, lost or stolen coupon
appertains, and every new Guarantee delivered in connection therewith, shall
constitute an original additional contractual obligation of the Company and
the Guarantor, whether or not the destroyed, lost or stolen Security and its
coupons, if any, or the destroyed, lost or stolen coupon shall be at any time
enforceable by anyone, and any such new Security, Guarantee and coupons, if
any, shall be entitled to all the benefits of this Indenture equally and
proportionately with any and all other Securities of that series and their
coupons, if any, and Guarantees duly issued hereunder.
 
  The provisions of this Section are exclusive and shall preclude (to the
extent lawful) any other rights and remedies with respect to the replacement
or payment of mutilated, destroyed, lost or stolen Securities or coupons.
 
Section 307. Payment of Interest; Interest Rights Preserved.
 
  Unless otherwise provided as contemplated by Section 301 with respect to any
series of Securities, interest on any Registered Security which is payable,
and is punctually paid or duly provided for, on any Interest Payment Date
shall be paid to the Person in whose name that Security (or one or more
Predecessor Securities) is registered at the close of business on the Regular
Record Date for such interest.
 
  Any interest on any Registered Security of any series which is payable, but
is not punctually paid or duly provided for, on any Interest Payment Date
(herein called "Defaulted Interest") shall forthwith cease to be payable to
the Holder on the relevant Regular Record Date by virtue of having been such
Holder, and such Defaulted Interest may be paid by the Company or the
Guarantor, at its election in each case, as provided in clause (a) or (b)
below:
 
    (a) The Company or the Guarantor may elect to make payment of any
  Defaulted Interest to the Persons in whose names the Registered Securities
  of such series (or their respective Predecessor Securities) are registered
  at the close of business on a Special Record Date for the payment of such
  Defaulted Interest, which shall be fixed in the following manner. The
  Company or the Guarantor, as appropriate, shall notify the Trustee in
  writing of the amount of Defaulted Interest proposed to be paid on each
  Registered Security of such series and the date of the proposed payment,
  and at the same time the Company or the Guarantor shall deposit with the
  Trustee an amount of money equal to the aggregate amount proposed to be
  paid in respect of such Defaulted Interest or shall make arrangements
  satisfactory to the Trustee for such deposit prior to the date of the
  proposed payment, such money when deposited to be held in trust for the
  benefit of the Persons entitled to such Defaulted Interest as in this
  clause provided. Thereupon the Trustee shall fix a Special Record Date for
  the payment of such Defaulted Interest which shall be not more than 15 days
  and not less than 10 days prior to the date of the proposed payment and not
  less than 10 days after the receipt by the Trustee of the notice of the
  proposed payment. The Trustee shall promptly notify the Company or the
  Guarantor of such Special Record Date and, in the name and at the expense
  of the Company or the Guarantor, shall cause notice of the proposed payment
  of such Defaulted Interest and the Special Record Date therefor to be
  mailed, first-class postage prepaid, to each Holder of Registered
  Securities of such series at the address of such Holder as it appears in
  the Security Register, not less than 10 days prior to such Special Record
  Date. Notice of the proposed payment of such Defaulted Interest and the
  Special Record Date therefor having been so mailed, such Defaulted Interest
  shall be paid to the Persons in whose names the Registered Securities of
  such series (or their respective Predecessor Securities) are registered at
  the close of business on such Special Record Date and shall no longer be
  payable pursuant to the following clause (b).
 
    (b) The Company or the Guarantor may make payment of any Defaulted
  Interest on the Registered Securities of any series in any other lawful
  manner not inconsistent with the requirements of any securities exchange on
  which such Securities may be listed, and upon such notice as may be
  required by such exchange, if, after notice given by the Company or the
  Guarantor, as appropriate, to the Trustee of the proposed payment pursuant
  to this clause, such manner of payment shall be deemed practicable by the
  Trustee.
 
                                      20
<PAGE>
 
  Subject to the foregoing provisions of this Section and Section 305, each
Security delivered under this Indenture upon registration of transfer of or in
exchange for or in lieu of any other Security shall carry the rights to
interest accrued and unpaid, and to accrue, which were carried by such other
Security.
 
Section 308. Persons Deemed Owners.
 
  Except as otherwise provided in Section 203, prior to due presentment of a
Registered Security for registration of transfer, the Company, the Guarantor,
the Trustee and any agent of the Company, the Guarantor or the Trustee may
treat the Person in whose name such Registered Security is registered as the
owner of such Registered Security for the purpose of receiving payment of
principal of (and premium, if any) and (subject to Sections 305 and 307) any
interest on such Security and for all other purposes whatsoever, whether or
not such Security be overdue, and neither the Company, the Guarantor, the
Trustee nor any agent of the Company, the Guarantor or the Trustee shall be
affected by notice to the contrary.
 
  Title to any Bearer Security and any coupons appertaining thereto shall pass
by delivery. Except as otherwise provided in Section 203, the Company, the
Guarantor, the Trustee and any agent of the Company, the Guarantor or the
Trustee may treat the bearer of any Bearer Security and the bearer of any
coupon as the absolute owner of such Security or coupon for the purpose of
receiving payment thereof or on account thereof and for all other purposes
whatsoever, whether or not such Security or coupon be overdue, and neither the
Company, the Guarantor, the Trustee nor any agent of the Company, the
Guarantor or the Trustee shall be affected by notice to the contrary.
 
Section 309. Cancellation.
 
  All Securities and coupons surrendered for payment, redemption, registration
of transfer or exchange or for credit against any sinking fund payment shall,
if surrendered to any Person other than the Trustee, be delivered to the
Trustee. All Securities and coupons so delivered shall be promptly cancelled
by the Trustee. All Securities and coupons held by the Trustee pending such
cancellation shall be deemed to be delivered for cancellation for all purposes
of this Indenture and the Securities. The Company or the Guarantor may at any
time deliver to the Trustee for cancellation any Securities previously
authenticated and delivered hereunder which the Company or the Guarantor may
have acquired in any manner whatsoever, and may deliver to the Trustee (or to
any other Person for delivery to the Trustee) for cancellation any Securities
previously authenticated hereunder which the Company has not issued and sold,
and all Securities so delivered shall be promptly cancelled by the Trustee. No
Securities shall be authenticated in lieu of or in exchange for any Securities
cancelled as provided in this Section, except as expressly permitted by this
Indenture. All cancelled Securities and coupons held by the Trustee shall be
destroyed by the Trustee and the Trustee shall furnish a certificate of such
destruction to the Company and the Guarantor.
 
Section 310. Computation of Interest.
 
  Except as otherwise specified as contemplated by Section 301 for Securities
of any series, interest on the Securities of each series shall be computed on
the basis of a 360-day year of twelve 30-day months.
 
Section 311. Unconditional Guarantee.
 
  The Guarantee to be set forth on each Security shall be in substantially the
following form:
 
    For Value Received, Ameritech Corporation, a Delaware corporation (the
  "Guarantor"), hereby unconditionally guarantees to the Holder of the
  Security upon which this Guarantee is endorsed [and any coupons
  appertaining thereto] the due and punctual payment of the principal of,
  sinking fund payment, if any, premium, if any, or interest on said
  Security, when and as the same shall become due and payable, whether at
  maturity, upon redemption or otherwise, according to the terms thereof and
  of the Indenture referred to therein.
 
    The Guarantor agrees to determine, at least one business day prior to the
  date upon which a payment of principal of, sinking fund payment, if any,
  premium, if any, or interest on said Security is due and payable, whether
  the Company has available the funds to make such payment as the same shall
  become due
 
                                      21
<PAGE>
 
  and payable. In case of the failure of the Company punctually to pay any
  such principal, sinking fund payment, if any, premium, if any, or interest,
  the Guarantor hereby agrees to cause any such payment to be made punctually
  when and as the same shall become due and payable, whether at maturity,
  upon redemption, or otherwise, and as if such payment were made by the
  Company.
 
    The Guarantor hereby agrees that its obligations hereunder shall be
  unconditional, irrevocable, and absolute, irrespective of the validity,
  regularity, or enforceability of said Security [or coupon] or said
  Indenture, the absence of any action to enforce the same, any waiver or
  consent by the Holder of said Security [or coupon] with respect to any
  provisions thereof, the recovery of any judgment against the Company or any
  action to enforce the same, or any other circumstance which might otherwise
  constitute a legal or equitable discharge or defense of a guarantor. The
  Guarantor hereby waives diligence, presentment, demand of payment, filing
  of claims with a court in the event of merger or bankruptcy of the Company,
  any right to require a proceeding first against the Company, protest or
  notice with respect to said Security [or coupon] or indebtedness evidenced
  thereby, and all demands whatsoever and covenants that this Guarantee will
  not be discharged except by complete performance of the obligations
  contained in said Security and in this Guarantee.
 
    The Guarantor shall be subrogated to all rights of the Holder of said
  Security [and to the rights of any Holder of any coupon] against the
  Company in respect of any amounts paid by the Guarantor pursuant to the
  provisions of this Guarantee; provided, however, that the Guarantor shall
  not, without the consent of the Holders of all of the Securities [and the
  Holders of all coupons] then outstanding, be entitled to enforce or to
  receive any payments arising out of or based upon such right of subrogation
  until the principal of and premium, if any, and interest on all Securities
  shall have been paid in full or payment thereof shall have been provided
  for in accordance with said Indenture.
 
    Notwithstanding anything to the contrary contained herein, if following
  any payment of principal or interest by the Company on the Securities to
  the Holders of the Securities it is determined by a final decision of a
  court of competent jurisdiction that such payment shall be avoided by a
  trustee in bankruptcy (including any debtor-in-possession) as a preference
  under 11 U.S.C. Section 547 and such payment is paid by such Holder to such
  trustee in bankruptcy, then and to the extent of such repayment, the
  obligations of the Guarantor hereunder shall remain in full force and
  effect.
 
    The Guarantor hereby certifies and warrants that all acts, conditions and
  things required to be done and performed and to have happened prior to the
  creation and issuance of this Guarantee and to constitute the same as the
  legal, valid and binding obligation of the Guarantor enforceable in
  accordance with its terms, have been done and performed and have happened
  in due and strict compliance with applicable laws.
 
    This Guarantee shall not be valid or become obligatory for any purpose
  with respect to a Security until the certificate of authentication on such
  Security shall have been signed by the Trustee (or the Authenticating
  Agent).
 
    This Guarantee shall be governed by the internal laws (as opposed to
  conflicts of laws provisions) of the State of Illinois.
 
    All terms used in this Guarantee which are defined in the Indenture shall
  have the meanings assigned to them in the Indenture.
 
    In Witness Whereof, Ameritech Corporation has caused this Guarantee to be
  signed in its corporate name by the facsimile signature of one of its
  officers thereunto duly authorized and has caused a facsimile of its
  corporate seal to be affixed hereunto or imprinted or otherwise reproduced
  hereon.
 
                                          Ameritech Corporation
 
                                          By: __________________________________
                                                    Authorized Officer
 
                                      22
<PAGE>
 
  The form of Guarantee shall be modified or supplemented to the extent
necessary to reflect any additional obligations of the Guarantor applicable to
it pursuant to the terms of any series of Securities.
 
Section 312. Execution of Guarantees.
 
  To evidence the Guarantee to the Holders specified in Section 311, the
Guarantor hereby agrees to execute the Guarantees, in substantially the form
above recited, to be endorsed on each Security authenticated and delivered by
the Trustee (or the Authenticating Agent). Each such Guarantee shall be signed
on behalf of the Guarantor as set forth in Section 303 prior to the
authentication of the Security on which it is endorsed, and the delivery of
such Security by the Trustee (or the Authenticating Agent), after the
authentication thereof hereunder, shall constitute due delivery of such
Guarantee on behalf of the Guarantor.
 
Section 313. Assumption by Guarantor.
 
  (a) The Guarantor may, without the consent of the Holders, assume all of the
rights and obligations of the Company hereunder with respect to a series of
Securities and under the Securities of such series if, after giving effect to
such assumption, no Event of Default or event which with the giving of notice
or lapse of time, or both, would become an Event of Default, shall have
occurred and be continuing. Upon such an assumption, the Guarantor shall
execute a supplemental indenture evidencing its assumption of all such rights
and obligations of the Company and the Company shall be released from its
liabilities hereunder and under such Securities as obligor on the Securities
of such series.
 
  (b) The Guarantor shall assume all of the rights and obligations of the
Company hereunder with respect to a series of Securities and under the
Securities of such series if, upon a default by the Company in the due and
punctual payment of the principal, sinking fund payment, if any, premium, if
any, or interest on such Securities, the Guarantor is prevented by any court
order or judicial proceeding from fulfilling its obligations under Section 311
with respect to such series of Securities. Such assumption shall result in the
Securities of such series becoming the direct obligations of the Guarantor and
shall be effected without the consent of the Holders of the Securities of any
series. Upon such an assumption, the Guarantor shall execute a supplemental
indenture evidencing its assumption of all such rights and obligations of the
Company, and the Company shall be released from its liabilities hereunder and
under such Securities as obligor on the Securities of such series.
 
                                 ARTICLE FOUR
 
                          Satisfaction and Discharge
 
Section 401. Satisfaction and Discharge of Indenture.
 
  This Indenture shall upon Company Request cease to be of further effect
(except as to any surviving rights of registration of transfer or exchange of
Securities herein expressly provided for, and any right to receive additional
amounts as provided in Section 1004) and the Trustee, at the expense of the
Company, shall execute proper instruments acknowledging satisfaction and
discharge of this Indenture, when
 
    (a) either
 
      (i) all Securities theretofore authenticated and delivered and all
    coupons, if any, appertaining thereto (other than (A) coupons
    appertaining to Bearer Securities surrendered for exchange for
    Registered Securities and maturing after such exchange, whose surrender
    is not required or has been waived as provided in Section 305, (B)
    Securities and coupons which have been destroyed, lost or stolen and
    which have been replaced or paid as provided in Section 306, (C)
    coupons appertaining to Securities called for redemption and maturing
    after the relevant Redemption Date, whose surrender has been waived as
    provided in Section 1106, and (D) Securities and coupons for whose
    payment money has theretofore been deposited in trust or segregated and
    held in trust by the Company and thereafter repaid to the Company or
    discharged from such trust, as provided in Section 1003) have been
    delivered to the Trustee for cancellation; or
 
                                      23
<PAGE>
 
      (ii) all such Securities and, in the case of (A) and (B) below, any
    coupons appertaining thereto not theretofore delivered to the Trustee
    for cancellation
 
        (A) have become due and payable, or
 
        (B) will become due and payable at their Stated Maturity Date
      within one year, or
 
        (C) are to be called for redemption within one year under
      arrangements satisfactory to the Trustee for the giving of notice of
      redemption by the Trustee in the name, and at the expense, of the
      Company,
 
  and the Company or the Guarantor has deposited or caused to be deposited
  with the Trustee as trust funds in trust for the purpose an amount
  sufficient to pay and discharge the entire indebtedness on such Securities
  and coupons not theretofore delivered to the Trustee for cancellation, for
  principal (and premium, if any) and any interest to the date of such
  deposit (in the case of Securities which have become due and payable) or to
  the Stated Maturity Date or Redemption Date, as the case may be;
 
    (b) the Company or the Guarantor has paid or caused to be paid all other
  sums payable hereunder by the Company and the Guarantor; and
 
    (c) the Company or the Guarantor has delivered to the Trustee an
  Officers' Certificate and an Opinion of Counsel, each stating that all
  conditions precedent herein provided for relating to the satisfaction and
  discharge of this Indenture have been complied with.
 
  Notwithstanding the satisfaction and discharge of this Indenture, the
obligations of the Company and the Guarantor to the Trustee under Section 607,
the obligations of the Trustee to any Authenticating Agent under Section 614
and, if money shall have been deposited with the Trustee pursuant to clause
(a)(ii) of this Section, the obligations of the Trustee under Section 402 and
the last paragraph of Section 1003 shall survive.
 
Section 402. Application of Trust Money.
 
  Subject to the provisions of the last paragraph of Section 1003, all money
deposited with the Trustee pursuant to Section 401, 403 or 1008 shall be held
in trust and applied by it, in accordance with the provisions of the
Securities, the coupons and this Indenture, to the payment, either directly or
through any Paying Agent (including the Company acting as its own Paying
Agent) as the Trustee may determine, to the Persons entitled thereto, of the
principal (and premium, if any) and any interest for whose payment such money
has been deposited with the Trustee.
 
Section 403. Satisfaction, Discharge and Defeasance of Securities of any
Series.
 
  If this Section 403 is specified, as contemplated by Section 301, to be
applicable to Securities of any series, then notwithstanding Section 401, (a)
the Company shall be deemed to have paid and discharged the entire
indebtedness on all the Outstanding Securities of any such series; (b) the
provisions of this Indenture as it relates to such Outstanding Securities
shall no longer be in effect (except as to the rights of Holders of Securities
to receive, from the trust fund described in subparagraph (i) below, payment
of (x) the principal of (and premium, if any) and any installment of principal
of (and premium, if any) or interest on such Securities on the Stated Maturity
Date of such principal (and premium, if any) or installment of principal (and
premium, if any) or interest or (y) any mandatory sinking fund payments or
analogous payments applicable to the Securities of that series on that day on
which such payments are due and payable in accordance with the terms of the
Indenture and of such Securities, the Company's obligations with respect to
such Securities under Sections 304, 305, 306, 1002, 1003 and 1004 and the
rights, powers, trusts, duties and immunities of the Trustee hereunder,
including those under Section 607 hereof); and (c) the Trustee, at the expense
of the Company, shall, upon Company Request, execute proper instruments
acknowledging satisfaction and discharge of such indebtedness, when
 
                                      24
<PAGE>
 
    (i) either
 
      (A) with respect to all Outstanding Securities of such series, with
    reference to this Section 403, the Company has deposited or caused to
    be deposited with the Trustee irrevocably (but subject to the
    provisions of Section 402 and the last paragraph of Section 1003), as
    trust funds in trust, specifically pledged as security for, and
    dedicated solely to, the benefit of the Holders of the Securities of
    that series, (1) lawful money of the United States in an amount, or (2)
    U.S. Government Obligations which through the payment of interest and
    principal in respect thereof in accordance with their terms will
    provide not later than the opening of business on the due dates of any
    payment referred to in clause (x) or (y) of this subparagraph (i)(A)
    lawful money of the United States in an amount, or (3) 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 and discharge (x) the
    principal of (and premium, if any) and each installment of principal
    (and premium, if any) and interest on the Outstanding Securities of
    that series on the Stated Maturity Date of such principal or
    installment of principal or interest and (y) any mandatory sinking fund
    payments or analogous payments applicable to Securities of such series
    on the day on which such payments are due and payable in accordance
    with the terms of this Indenture and of such Securities; or
 
      (B) the Company has properly fulfilled such other means of
    satisfaction and discharge as is specified, as contemplated by Section
    301, to be applicable to the Securities of such series;
 
    (ii) the Company has paid or caused to be paid all other sums payable
  with respect to the Outstanding Securities of such Series;
 
    (iii) such deposit will not result in a breach or violation of, or
  constitute a default under, this Indenture or any other agreement or
  instrument to which the Company is a party or by which it is bound;
 
    (iv) no Event of Default or event which with the giving of notice or
  lapse of time, or both, would become an Event of Default with respect to
  the Securities of that series shall have occurred and be continuing on the
  date of such deposit and no Event of Default under Section 501(e) or
  Section 501(f) or event which with the giving of notice or lapse of time,
  or both, would become an Event of Default under Section 501(e) or Section
  501(f) shall have occurred and be continuing on the 91st day after such
  date;
 
    (v) the Company has delivered to the Trustee an Opinion of Counsel or a
  ruling from or published by the United States Internal Revenue Service, to
  the effect that Holders of Securities of such series will not recognize
  income, gain or loss for federal income tax purposes as a result of such
  deposit, defeasance and discharge and will be subject to federal income tax
  on the same amount and in the same manner and at the same times as would
  have been the case if such deposit, defeasance and discharge had not
  occurred;
 
    (vi) if the Securities of that series are then listed on any domestic or
  foreign securities exchange, the Company shall have delivered to the
  Trustee an Opinion of Counsel to the effect that such deposit, defeasance
  and discharge will not cause such Securities to be delisted; and
 
    (vii) the Company has delivered to the Trustee an Officers' Certificate
  and an Opinion of Counsel, each stating that all conditions precedent
  herein provided for relating to the satisfaction and discharge of the
  entire indebtedness on all Outstanding Securities of any such series have
  been complied with and an Opinion of Counsel to the effect that either (A)
  as a result of such deposit and the related exercise of the Company's
  option under this Section 403, registration is not required under the
  Investment Company Act of 1940, as amended, by the Company, the Guarantor,
  the trust funds representing such deposit or the Trustee or (B) all
  necessary registrations under said Act have been effected.
 
  Any deposits with the Trustee referred to in Section 403(i)(A) above shall
be irrevocable and shall be made under the terms of an escrow trust agreement
in form and substance satisfactory to the Trustee. If any Outstanding
Securities of such series are to be redeemed prior to their Stated Maturity
Date, whether pursuant to
 
                                      25
<PAGE>
 
any optional redemption provisions or in accordance with any mandatory sinking
fund requirement, the applicable escrow trust agreement shall provide therefor
and the Company shall make such arrangements as are satisfactory to the
Trustee for the giving of notice of redemption by the Trustee in the name, and
at the expense, of the Company.
 
  Upon the satisfaction of the conditions set forth in this Section 403 with
respect to all the Outstanding Securities of any series, the terms and
conditions of such series, including the terms and conditions with respect
thereto set forth in this Indenture, shall no longer be binding upon, or
applicable to, the Company and the Guarantees endorsed thereon shall no longer
be binding upon, or applicable to, the Guarantor; provided, that the Company
shall not be discharged from any payment obligations in respect of Securities
of such series which are deemed not to be Outstanding under clause (c) of the
definition thereof if such obligations continue to be valid obligations of the
Company under applicable law and the Guarantor shall not be discharged from
any payment obligations in respect of Guarantees endorsed on such Securities.
 
  Notwithstanding the cessation, termination and discharge of all obligations,
covenants and agreements (except as provided above in this Section 403) of the
Company and the Guarantor under this Indenture with respect to any series of
Securities, the obligations of the Company to the Trustee under Section 607,
and the obligations of the Trustee under Section 402 and the last paragraph of
Section 1003 shall survive with respect to such series of Securities.
 
Section 404. Reinstatement.
 
  If the Trustee is unable to apply any money or U.S. Government Obligations
in accordance with Section 401 or 403 by reason of any order or judgment of
any court or governmental authority enjoining, restraining or otherwise
prohibiting such application, the Company's and the Guarantor's obligations
under this Indenture, the Securities and the Guarantees shall be revived and
reinstated as though no deposit had occurred pursuant to Section 401 or 403
until such time as the Trustee is permitted to apply all such money or U.S.
Government Obligations in accordance with Section 401 or 403; provided,
however, that if the Company or the Guarantor has made any payment of interest
on or principal of any Securities because of the reinstatement of its
obligations, the Company and the Guarantor shall be subrogated to the rights
of the Holders of such Securities to receive such payment from the money or
U.S. Government Obligations held by the Trustee.
 
                                 ARTICLE FIVE
 
                                   Remedies
 
Section 501. Events of Default.
 
  "Event of Default", wherever used herein with respect to Securities of any
series, means any one of the following events (whatever the reason for such
Event of Default and whether it shall be voluntary or involuntary or 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 interest upon any Security of that
  series when it becomes due and payable, and continuance of such default for
  a period of 90 days; or
 
    (b) default in the payment of the principal of (or premium, if any, on)
  any Security of that series at its Maturity; or
 
    (c) default in the deposit of any sinking fund payment, when and as due
  by the terms of a Security of that series; or
 
                                      26
<PAGE>
 
    (d) default in the performance, or breach, of any covenant or warranty of
  the Company or the Guarantor in this Indenture (other than a covenant or
  warranty a default in whose performance or whose breach is elsewhere in
  this Section specifically dealt with or which has expressly been included
  in this Indenture solely for the benefit of series of Securities other than
  that series), and continuance of such default or breach for a period of 90
  days after there has been given, by registered or certified mail, to the
  Company or the Guarantor by the Trustee or to the Company or the Guarantor
  and the Trustee by the Holders of at least 25% in principal amount of the
  Outstanding Securities of that series a written notice specifying such
  default or breach and requiring it to be remedied and stating that such
  notice is a "Notice of Default" hereunder; or
 
    (e) the entry by a court having jurisdiction in the premises of (i) a
  decree or order for relief in respect of the Company or the Guarantor in an
  involuntary case or proceeding under any applicable Federal or State
  bankruptcy, insolvency, reorganization or other similar law or (ii) a
  decree or order adjudging the Company or the Guarantor a bankrupt or
  insolvent, or approving as properly filed a petition seeking
  reorganization, arrangement, adjustment or composition of or in respect of
  the Company or the Guarantor under any applicable Federal or State law, or
  appointing a custodian, receiver, liquidator, assignee, trustee,
  sequestrator or other similar official of the Company or the Guarantor or
  of any substantial part of its property, or ordering the winding up or
  liquidation of its affairs, and the continuance of any such decree or order
  for relief or any such other decree or order unstayed and in effect for a
  period of 90 consecutive days; or
 
    (f) the commencement by the Company or the Guarantor of a voluntary case
  or proceeding under any applicable Federal or State bankruptcy, insolvency,
  reorganization or other similar law or of any other case or proceeding to
  be adjudicated a bankrupt or insolvent, or the consent by it to the entry
  of a decree or order for relief in respect of the Company or the Guarantor
  in an involuntary case or proceeding under any applicable Federal or State
  bankruptcy, insolvency, reorganization or other similar law or to the
  commencement of any bankruptcy or insolvency case or proceeding against it,
  or the filing by it of a petition or answer or consent seeking
  reorganization or relief under any applicable Federal or State law, or the
  consent by it to the filing of such petition or to the appointment of or
  taking possession by a custodian, receiver, liquidator, assignee, trustee,
  sequestrator or similar official of the Company or the Guarantor or of any
  substantial part of its property or the making by it of an assignment for
  the benefit of creditors, or the admission by it in writing of its
  inability to pay its debts generally as they become due, or the taking of
  corporate action by the Company or the Guarantor in furtherance of any such
  action.
 
Section 502. Acceleration of Maturity; Rescission and Annulment.
 
  If an Event of Default with respect to Securities of any series at the time
Outstanding occurs and is continuing, then in every such case the Trustee or
the Holders of not less than 25% in principal amount of the Outstanding
Securities of that series may declare the principal amount (or, if any of the
Securities of that series are Original Issue Discount Securities, such portion
of the principal amount of such Securities as may be specified in the terms
thereof) of all of the Securities of that series to be due and payable
immediately, by a notice in writing to the Company and the Guarantor (and to
the Trustee if given by the Holders), and upon any such declaration such
principal amount (or specified amount) shall become immediately due and
payable.
 
  At any time after such a declaration of acceleration with respect to
Securities of any series has been made and before a judgment or decree for
payment of the money due has been obtained by the Trustee as hereinafter in
this Article provided, the Holders of a majority in principal amount of the
Outstanding Securities of that series, by written notice to the Company, the
Guarantor and the Trustee, may rescind and annul such declaration and its
consequences if all Events of Default with respect to Securities of that
series, other than non-payment of the principal of Securities of that series
which have become due solely by such declaration of acceleration, have been
cured or waived as provided in Section 513.
 
  No such rescission shall affect any subsequent default or impair any right
consequent thereon.
 
 
                                      27
<PAGE>
 
Section 503. Collection of Indebtedness and Suits for Enforcement by Trustee.
 
  The Company and the Guarantor covenant that if
 
    (a) default is made in the payment of any interest on any Security when
  such interest becomes due and payable and such default continues for a
  period of 90 days, or
 
    (b) default is made in the payment of the principal of (or premium, if
  any, on) any Security at the Maturity thereof,
 
the Company or the Guarantor will, upon demand of the Trustee, pay to it, for
the benefit of the Holders of such Securities and coupons, the whole amount
then due and payable on such Securities and coupons for principal (and
premium, if any) and any interest and, to the extent that payment of such
interest shall be legally enforceable, interest on any overdue principal (and
premium, if any) and on any overdue interest, at the rate or rates prescribed
therefor in such Securities and, in addition thereto, such further amount as
shall be sufficient to cover the costs and expenses of collection, including
the reasonable compensation, expenses, disbursements and advances of the
Trustee, its agents and counsel.
 
  Until such demand is made by the Trustee, the Company may pay the principal
of (and premium, if any) and interest on the Securities to the Persons
entitled thereto, whether or not the principal (and premium, if any) and
interest on the Securities are overdue.
 
  If the Company or the Guarantor fails to pay such amounts forthwith upon
such demand, the Trustee, in its own name and as trustee of an express trust,
may institute a judicial proceeding for the collection of the sums so due and
unpaid, may prosecute such proceedings to judgment or final decree and may
enforce the same against the Company, the Guarantor or any other obligor upon
such Securities and collect the moneys adjudged or decreed to be payable in
the manner provided by law out of the property of the Company, the Guarantor
or any other obligor upon such Securities, wherever situated.
 
  If an Event of Default with respect to Securities of any series occurs and
is continuing, the Trustee may in its discretion proceed to protect and
enforce its rights and the rights of the Holders of Securities of such series
and any related coupons by such appropriate judicial proceedings as the
Trustee shall deem most effectual to protect and enforce any such rights,
whether for the specific enforcement of any covenant or agreement in this
Indenture or in aid of the exercise of any power granted herein, or to enforce
any other proper remedy.
 
Section 504. Trustee May File Proofs of Claim.
 
  In case of the pendency of any receivership, insolvency, liquidation,
bankruptcy, reorganization, arrangement, adjustment, composition or other
judicial proceeding relative to the Company, the Guarantor or any other
obligor upon the Securities or the property of the Company, the Guarantor or
of such other obligor or their creditors, the Trustee (irrespective of whether
the principal of the Securities shall then be due and payable as therein
expressed or by declaration or otherwise and irrespective of whether the
Trustee shall have made any demand on the Company or the Guarantor for the
payment of overdue principal or interest) shall be entitled and empowered, by
intervention in such proceeding or otherwise,
 
  (a) to file and prove a claim for the whole amount of principal (and
premium, if any) and any interest owing and unpaid in respect of the
Securities and to file such other papers or documents as may be necessary or
advisable in order to have the claims of the Trustee (including any claim for
the reasonable compensation, expenses, disbursements and advances of the
Trustee, its agents and counsel) and of the Holders of Securities and coupons
allowed in such judicial proceeding, and
 
  (b) to collect and receive any moneys or other property payable or
deliverable on any such claims and to distribute the same;
 
and any custodian, receiver, assignee, trustee, liquidator, sequestrator or
other similar official in any such judicial proceeding is hereby authorized by
each Holder of Securities and coupons to make such payments to the Trustee
 
                                      28
<PAGE>
 
and, in the event that the Trustee shall consent to the making of such
payments directly to the Holders of Securities and coupons, to pay to the
Trustee any amount due it for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any
other amounts due the Trustee under Section 607 except amounts arising from
the Trustee's negligence or bad faith.
 
  Nothing herein contained shall be deemed to authorize the Trustee to
authorize or consent to or accept or adopt on behalf of any Holder of a
Security or coupon any plan of reorganization, arrangement, adjustment or
composition affecting the Securities or coupons or the rights of any Holder
thereof or to authorize the Trustee to vote in respect of the claim of any
Holder of a Security or coupon in any such proceeding.
 
Section 505. Trustee May Enforce Claims Without Possession of Securities or
Coupons.
 
  All rights of action and claims under this Indenture or the Securities, the
Guarantees or the coupons may be prosecuted and enforced by the Trustee
without the possession of any of the Securities or coupons or the production
thereof in any proceeding relating thereto, and any such proceeding instituted
by the Trustee shall be brought in its own name as trustee of an express
trust, and any recovery of judgment shall, after provision for the payment of
the reasonable compensation, expenses, disbursements and advances of the
Trustee, its agents and counsel, be for the ratable benefit of the Holders of
the Securities and coupons in respect of which such judgment has been
recovered.
 
Section 506. Application of Money Collected.
 
  Any money collected by the Trustee pursuant to this Article shall be applied
in the following order, at the date or dates fixed by the Trustee and, in case
of the distribution of such money on account of principal (or premium, if any)
or interest, upon presentation of the Securities or coupons, or both, as the
case may be, and the notation thereon of the payment if only partially paid
and upon surrender thereof if fully paid:
 
    First: to the payment of the amounts due the Trustee under Section 607;
 
    Second: to the payment of the amounts then due and unpaid for principal
  of (and premium, if any) and any interest on the Securities and coupons in
  respect of which or for the benefit of which such money has been collected,
  ratably, without preference or priority of any kind, according to the
  amounts due and payable on such Securities and coupons for principal (and
  premium, if any) and any interest, respectively; and
 
    Third: the balance, if any, to the Person or Persons entitled thereto, as
  directed by the Company and the Guarantor.
 
Section 507. Limitations on Suits.
 
  No Holder of any Security of any series or any related coupons shall have
any right to institute any proceeding, judicial or otherwise, with respect to
this Indenture, or for the appointment of a receiver or trustee, or for any
other remedy hereunder, unless:
 
    (a) such Holder has previously given written notice to the Trustee of a
  continuing Event of Default with respect to the Securities of that series;
 
    (b) the Holders of not less than 25% in principal amount of the
  Outstanding Securities of that series shall have made written request to
  the Trustee to institute proceedings in respect of such Event of Default in
  its own name as Trustee hereunder;
 
    (c) such Holder or Holders have offered to the Trustee reasonable
  indemnity against the costs, expenses and liabilities to be incurred in
  compliance with such request;
 
    (d) the Trustee for 60 days after its receipt of such notice, request and
  offer of indemnity has failed to institute any such proceeding; and
 
    (e) no direction inconsistent with such written request has been given to
  the Trustee during such 60-day period by the Holders of a majority in
  principal amount of the Outstanding Securities of that series;
 
                                      29
<PAGE>
 
it being understood and intended that no one or more of such Holders shall
have any right in any manner whatever by virtue of, or by availing of, any
provision of this Indenture to affect, disturb or prejudice the rights of any
other of such Holders, or to obtain or to seek to obtain priority or
preference over any other of such Holders or to enforce any right under this
Indenture, except in the manner herein provided and for the equal and ratable
benefit of all of such Holders.
 
Section 508. Unconditional Right of Holders to Receive Principal, Premium and
Interest.
 
  Notwithstanding any other provision in this Indenture, the Holder of any
Security or coupon shall have the right, which is absolute and unconditional,
to receive payment of the principal of (and premium, if any) and (subject to
Section 307) any interest on such Security or payment of such coupon on the
Stated Maturity Date or Maturities expressed in such Security or coupon (or,
in the case of redemption, on the Redemption Date) and to institute suit for
the enforcement of any such payment, and such rights shall not be impaired
without the consent of such Holder.
 
Section 509. Restoration of Rights and Remedies.
 
  If the Trustee or any Holder of a Security or coupon has instituted any
proceeding to enforce any right or remedy under this Indenture and such
proceeding has been discontinued or abandoned for any reason, or has been
determined adversely to the Trustee or to such Holder, then and in every such
case, subject to any determination in such proceeding, the Company, the
Guarantor, the Trustee and the Holders of Securities and coupons shall be
restored severally and respectively to their former positions hereunder and
thereafter all rights and remedies of the Trustee and the Holders shall
continue as though no such proceeding has been instituted.
 
Section 510. Rights and Remedies Cumulative.
 
  Except as otherwise provided with respect to the replacement or payment of
mutilated, destroyed, lost or stolen Securities or coupons in the last
paragraph of Section 306, 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.
 
Section 511. Delay or Omission Not Waiver.
 
  No delay or omission of the Trustee or of any Holder of any Security or
coupon to exercise any right or remedy accruing upon any Event of Default
shall impair any such right or remedy or constitute a waiver of any such Event
of Default or an acquiescence therein. Every right and remedy given by this
Article or by law to the Trustee or to the Holders of Securities or coupons
may be exercised from time to time, and as often as may be deemed expedient,
by the Trustee or by the Holders of Securities or coupons, as the case may be.
 
Section 512. Control by Holders of Securities.
 
  The Holders of a majority in principal amount of the Outstanding Securities
of any series shall have the right to direct the time, method and place of
conducting any proceeding for any remedy available to the Trustee, or
exercising any trust or power conferred on the Trustee, with respect to the
Securities of such series, provided that
 
    (a) such direction shall not be in conflict with any rule of law or with
  this Indenture or expose the Trustee to personal liability or be unduly
  prejudicial to Holders not joining therein, and
 
                                      30
<PAGE>
 
    (b) the Trustee may take any other action deemed proper by the Trustee
  which is not inconsistent with such direction.
 
Section 513. Waiver of Past Defaults.
 
  The Holders of not less than a majority in principal amount of the
Outstanding Securities of any series may on behalf of the Holders of all of
the Securities of such series and any related coupons waive any past default
hereunder with respect to the Securities of such series and its consequences,
except a default
 
    (a) in the payment of the principal of (or premium, if any) or any
  interest on any Security of such series, or
 
    (b) in respect of a covenant or provision hereof which under Article Nine
  cannot be modified or amended without the consent of the Holder of each
  Outstanding Security of such series affected.
 
  Upon any such waiver, such default shall cease to exist, and any Event of
Default arising therefrom shall be deemed to have been cured, for every
purpose of this Indenture; but no such waiver shall extend to any subsequent
or other default or impair any right consequent thereon.
 
Section 514. Undertaking for Costs.
 
  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 Trustee, the filing by any
party litigant in such suit (other than the Trustee) 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 Company or the
Guarantor, to any suit instituted by the Trustee, to any suit instituted by
any Holder, or group of Holders, holding in the aggregate more than 10% in
principal amount of the Outstanding Securities of any series, or to any suit
instituted by any Holder of any Security or coupon for the enforcement of the
payment of the principal of (or premium, if any) or any interest on any
Security or the payment of any coupon on or after the Stated Maturity Date or
Maturities expressed in such Security or coupon (or, in the case of
redemption, on or after the Redemption Date), or for the enforcement of the
rights granted in any Guarantee.
 
Section 515. Waiver of Stay or Extension Laws.
 
  Each of the Company and the Guarantor covenants (to the extent that it may
lawfully do so) that it will not at any time insist upon, or plead, or in any
manner whatsoever claim or take the benefit or advantage of, any stay or
extension law wherever enacted, now or at any time hereafter in force, which
may affect the covenants or the performance of this Indenture; and each of the
Company and the Guarantor (to the extent that it may lawfully do so) hereby
expressly waives all benefit or advantage of any such law and covenants that
it will not hinder, delay or impede the execution of any power herein granted
to the Trustee, but will suffer and permit the execution of every such power
as though no such law has been enacted.
 
Section 516. Record Date.
 
  The record date for purposes of determining the identity of Holders of
Securities entitled to vote or consent to any action by vote or consent
authorized or permitted under Section 502, 512 or 513 shall be the later of 30
days prior to the first solicitation of such consent or the date of the most
recent list of Holders furnished to the Trustee pursuant to Section 701 prior
to such solicitation.
 
                                      31
<PAGE>
 
                                  ARTICLE SIX
 
                                  The Trustee
 
Section 601. Certain Duties and Responsibilities.
 
  (a) Except during the continuance of an Event of Default,
 
    (i) the Trustee undertakes to perform such duties and only such duties as
  are specifically set forth in this Indenture, and no implied covenants or
  obligations shall be read into this Indenture against the Trustee, except
  as may otherwise be provided in the Trust Indenture Act; and
 
    (ii) in the absence of bad faith on its part, the Trustee may
  conclusively rely, as to the truth of the statements and the correctness of
  the opinions expressed therein, upon certificates or opinions furnished to
  the Trustee and conforming to the requirements of this Indenture; but in
  the case of any such certificates or opinions 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) In case an Event of Default has occurred and is continuing, the Trustee
shall exercise such of the rights and powers vested in it by this Indenture,
and use the same degree of care and skill in their exercise, as a prudent man
would exercise or use under the circumstances in the conduct of his own
affairs.
 
  (c) No provision of this Indenture shall be construed to relieve the Trustee
from liability for its own negligent action, its own negligent failure to act,
or its own willful misconduct, except that
 
    (i) this Subsection shall not be construed to limit the effect of
  Subsection (a) of this Section;
 
    (ii) the Trustee shall not be liable for any error of judgment made in
  good faith by a Responsible Officer, unless it shall be proved that the
  Trustee was negligent in ascertaining the pertinent facts;
 
    (iii) the Trustee shall not be liable with respect to any action taken or
  omitted to be taken by it in good faith in accordance with the direction of
  the Holders of a majority in principal amount of the Outstanding Securities
  of any series relating to the time, method and place of conducting any
  proceeding for any remedy available to the Trustee, or exercising any trust
  or power conferred upon the Trustee, under this Indenture with respect to
  the Securities of such series; and
 
    (iv) no provision of this Indenture shall require the Trustee to expend
  or risk its own funds or otherwise incur any financial liability in the
  performance of any of its duties hereunder, or in the exercise of any of
  its rights or powers, if it shall have reasonable grounds for believing
  that repayment of such funds or adequate indemnity against such risk or
  liability is not reasonably assured to it.
 
  (d) Whether or not therein expressly so provided, every provision of this
Indenture relating to the conduct or affecting the liability of or affording
protection to the Trustee shall be subject to the provisions of this Section.
 
Section 602. Notice of Defaults.
 
  Within 90 days after the occurrence of any default hereunder with respect to
the Securities of any series, the Trustee shall transmit in the manner and to
the extent provided in Section 703(c), notice of such default hereunder known
to the Trustee, unless such default shall have been cured or waived; provided,
however, that, except in the case of a default in the payment of the principal
of or any premium or interest on any Security of such series or in the payment
of any sinking fund installment with respect to Securities of such series, the
Trustee shall be protected in withholding such notice if and so long as the
board of directors, the executive committee or a trust committee of directors
or Responsible Officers of the Trustee in good faith determines that the
withholding of such notice is in the interest of the Holders of Securities of
such series; and provided, further, that in the case of any default of the
character specified in Section 501(d) with respect to Securities of such
series, no such notice
 
                                      32
<PAGE>
 
to Holders shall be given until at least 30 days after the occurrence thereof.
For the purpose of this Section, the term "default' means any event which is,
or after notice or lapse of time or both would become, an Event of Default
with respect to Securities of such series.
 
Section 603. Certain Rights of Trustee.
 
  Subject to the provisions of Section 601:
 
    (a) the Trustee may rely and shall be protected in acting or refraining
  from acting upon any resolution, certificate, statement, instrument,
  opinion, report, notice, request, direction, consent, order, bond,
  debenture, note, coupon, other evidence of indebtedness or other paper or
  document believed by it to be genuine and to have been signed or presented
  by the proper party or parties;
 
    (b) any request or direction of the Company mentioned herein shall be
  sufficiently evidenced by a Company Request or Company Order or as
  otherwise expressly provided herein and any resolution of its sole
  shareholder (or, if one exists, its board of directors) may be sufficiently
  evidenced by a Resolution;
 
    (c) whenever in the administration of this Indenture the Trustee shall
  deem it desirable that a matter be proved or established prior to taking,
  suffering or omitting any action hereunder, the Trustee (unless other
  evidence be herein specifically prescribed) may, in the absence of bad
  faith on its part, rely upon an Officer's Certificate;
 
    (d) the Trustee may consult with counsel and the written advice of such
  counsel or any Opinion of Counsel shall be full and complete authorization
  and protection in respect of any action taken, suffered or omitted by it
  hereunder in good faith and in reliance thereon;
 
    (e) the Trustee shall be under no obligation to exercise any of the
  rights or powers vested in it by this Indenture at the request or direction
  of any of the Holders of Securities of any series or any related coupons
  pursuant to this Indenture, unless such Holders shall have offered to the
  Trustee reasonable security or indemnity against the costs, expenses and
  liabilities which might be incurred by it in compliance with such request
  or direction;
 
    (f) the Trustee shall not be bound to make any investigation into the
  facts or matters stated in any resolution, certificate, statement,
  instrument, opinion, report, notice, request, direction, consent, order,
  bond, debenture, note, coupon, other evidence of indebtedness or other
  paper or document, but the Trustee, in its discretion, may make such
  further inquiry or investigation into such facts or matters as it may see
  fit, and, if the Trustee shall determine to make such further inquiry or
  investigation, it shall be entitled to examine the books, records and
  premises of the Company or the Guarantor, personally or by agent or
  attorney;
 
    (g) the Trustee may execute any of the trusts or powers hereunder or
  perform any duties hereunder either directly or by or through agents or
  attorneys and the Trustee shall not be responsible for any misconduct or
  negligence on the part of any agent or attorney appointed with due care by
  it hereunder; and
 
    (h) the Trustee shall not be deemed to have knowledge of a default or an
  Event of Default unless a Responsible Officer of the Trustee has received
  notice thereof or has actual knowledge thereof.
 
Section 604. Not Responsible for Recitals or Issuance of Securities.
 
  The recitals contained herein and in the Securities (except the Trustee's
certificates of authentication) and in any coupons shall be taken as the
statements of the Company and the Guarantor, and neither the Trustee nor any
Authenticating Agent assumes any responsibility for their correctness. The
Trustee makes no representations as to the validity or sufficiency of this
Indenture or of the Securities or coupons or the Guarantees. Neither the
Trustee nor any Authenticating Agent shall be accountable for the use or
application by the Company of Securities or the proceeds thereof.
 
                                      33
<PAGE>
 
Section 605. May Hold Securities.
 
  The Trustee, any Authenticating Agent, any Paying Agent, any Security
Registrar or any other agent of the Company or the Guarantor, in its
individual or any other capacity, may become the owner or pledgee of
Securities and coupons and, subject to Sections 608 and 613, may otherwise
deal with the Company and the Guarantor with the same rights it would have if
it were not the Trustee, Authenticating Agent, Paying Agent, Security
Registrar or such other agent.
 
Section 606. Money Held in Trust.
 
  Money held by the Trustee in trust hereunder need not be segregated from
other funds except to the extent required by law. The Trustee shall be under
no liability for interest on any money received by it hereunder except as
otherwise agreed with the Company and the Guarantor.
 
Section 607. Compensation and Reimbursement.
 
     Each of the Company and the Guarantor agrees
 
    (a) to pay to the Trustee from time to time reasonable compensation for
  all services rendered by it hereunder (which compensation shall not be
  limited by any provision of law in regard to the compensation of a trustee
  of an express trust);
 
    (b) except as otherwise expressly provided herein, to reimburse the
  Trustee upon its request for all reasonable expenses, disbursements and
  advances incurred or made by the Trustee in accordance with any provision
  of this Indenture (including the reasonable compensation and the expenses
  and disbursements of its agents and counsel), except any such expense,
  disbursement or advance as may be attributable to its negligence or bad
  faith; and
 
    (c) to indemnify the Trustee for, and to hold it harmless against, any
  loss, liability or expense incurred without negligence or bad faith on its
  part, arising out of or in connection with the acceptance or administration
  of the trust or trusts hereunder or the performance of its duties
  hereunder, including the costs and expenses of defending itself against any
  claim or liability in connection with the exercise or performance of any of
  its powers or duties hereunder.
 
  As security for the performance of the obligations of the Company and the
Guarantor under this Section, the Trustee shall have a lien prior to the
Securities upon all property and funds held or collected by the Trustee as
such, except funds held in trust for the payment of principal of (or premium,
if any) or interest on particular Securities. Payment of any amount due
hereunder by either the Company or the Guarantor shall extinguish the
obligation of the other Person to make such payment.
 
Section 608. Disqualification; Conflicting Interests.
 
  (a) If the Trustee has or shall acquire any conflicting interest, as defined
in this Section, with respect to the Securities of any series, it shall,
within 90 days after ascertaining that it has such conflicting interest, if
the Event of Default to which such conflicting interest relates has not been
cured or duly waived or otherwise eliminated before the end of the 90-day
period, either eliminate such conflicting interest or, except as set forth
below, resign with respect to the Securities of that series in the manner and
with the effect hereinafter specified in this Article.
 
  (b) In the event that the Trustee shall fail to comply with the provisions
of Subsection (a) of this Section with respect to the Securities of any
series, the Trustee shall, within 10 days after the expiration of such 90-day
period, transmit, in the manner and to the extent provided in Section 703(c),
to all Holders of Securities of that series notice of such failure.
 
                                      34
<PAGE>
 
  (c)  For the purposes of this Section, the Trustee shall be deemed to have a
conflicting interest with respect to the Securities of any series if an Event of
Default as to such Securities shall have occurred and be continuing (exclusive
of any grace period or requirement of notice) and if
 
    (i)  the Trustee is trustee under another indenture under which any other
  securities, or certificates of interest or participation in any other
  securities, of the Company or the Guarantor are outstanding, unless such other
  indenture is a collateral trust indenture under which the only collateral
  consists of Securities issued under this Indenture, or the Trustee is trustee
  for more than one outstanding series of securities under a single indenture of
  the Company, provided that there shall be excluded from the operation of this
  paragraph this Indenture with respect to the Securities of any series other
  than that series, and any indenture or indentures under which other
  securities, or certificates of interest or participation in other securities,
  of the Company or the Guarantor are outstanding, if
  
     (A)  this Indenture and any such other indenture or indentures (and all
    series of securities issuable thereunder) are wholly unsecured and such
    other indenture or indentures are hereafter qualified under the Trust
    Indenture Act, unless the Commission shall have found and declared by order
    pursuant to Section 305(b) or Section 307(c) of the Trust Indenture Act that
    differences exist between the provisions of this Indenture with respect to
    Securities of that series and one or more other series or the provisions of
    such other indenture or indentures (or such series) which are so likely to
    involve a material conflict of interest as to make it necessary in the
    public interest or for the protection of investors to disqualify the Trustee
    from acting as such under this Indenture with respect to the Securities of
    that series and such other series or under such other indenture or
    indentures, or
 
     (B)  the Company shall have sustained the burden of proving, on
    application to the Commission and after opportunity for hearing thereon,
    that trusteeship under this Indenture with respect to the Securities of that
    series and such other series or such other indenture or indentures is not so
    likely to involve a material conflict of interest as to make it necessary in
    the public interest or for the protection of investors to disqualify the
    Trustee from acting as such under this Indenture with respect to the
    Securities of that series and such other series or under such indenture or
    indentures;
    
    (ii)  the Trustee or any of its directors or executive officers is an
  underwriter for the Company or the Guarantor;
 
    (iii)  the Trustee directly or indirectly controls or is directly or
  indirectly controlled by or is under direct or indirect common control with an
  underwriter for the Company or the Guarantor;
 
    (iv)  the Trustee or any of its directors or executive officers is a
  director, officer, partner, employee, appointee or representative of the
  Company or the Guarantor, or of an underwriter (other than the Trustee itself)
  for the Company or the Guarantor who is currently engaged in the business of
  underwriting, except that (A) one individual may be a director or an executive
  officer, or both, of the Trustee and a director or an executive officer, or
  both, of the Company or the Guarantor but may not be at the same time an
  executive officer of both the Trustee and the Company or the Guarantor; (B) if
  and so long as the number of directors of the Trustee in office is more than
  nine, one additional individual may be a director or an executive officer, or
  both, of the Trustee and a director of the Company or the Guarantor; and (C)
  the Trustee may be designated by the Company or the Guarantor or by any
  underwriter for the Company or the Guarantor to act in the capacity of
  transfer agent, registrar, custodian, paying agent, fiscal agent, escrow agent
  or depository, or in any other similar capacity, or, subject to the provisions
  of paragraph (i) of this Subsection, to act as trustee, whether under an
  indenture or otherwise;
 
    (v)  10% or more of the voting securities of the Trustee is beneficially
  owned by the Company or the Guarantor or by any director, partner or executive
  officer thereof, or 20% or more of such voting securities is beneficially
  owned, collectively, by any two or more of such persons; or 10% or more of the
  voting
  
                                      35
<PAGE>
 
  securities of the Trustee is beneficially owned either by an underwriter
  for the Company or the Guarantor or by any director, partner or executive
  officer thereof, or is beneficially owned, collectively, by any two or more
  such persons;
 
    (vi) the Trustee is the beneficial owner of, or holds as collateral
  security for an obligation which is in default (as hereinafter in this
  Subsection defined), (A) 5% or more of the voting securities, or 10% or
  more of any other class of security, of the Company or the Guarantor not
  including the Securities issued under this Indenture and securities issued
  under any other indenture under which the Trustee is also trustee, or (B)
  10% or more of any class of security of an underwriter for the Company or
  the Guarantor;
 
    (vii) the Trustee is the beneficial owner of, or holds as collateral
  security for an obligation which is in default (as hereinafter in this
  Subsection defined), 5% or more of the voting securities of any person who,
  to the knowledge of the Trustee, owns 10% or more of the voting securities
  of, or controls directly or indirectly or is under direct or indirect
  common control with, the Company or the Guarantor;
 
    (viii) the Trustee is the beneficial owner of, or holds as collateral
  security for an obligation which is in default (as hereinafter in this
  Subsection defined), 10% or more of any class of security of any person
  who, to the knowledge of the Trustee, owns 50% or more of the voting
  securities of the Company or the Guarantor;
 
    (ix) the Trustee owns, on the date on which such Event of Default as to
  such Securities (exclusive of any period of grace or requirement of notice)
  shall have occurred or any anniversary of such date while such Event of
  Default remains outstanding, in the capacity of executor, administrator,
  testamentary or inter vivos trustee, guardian, committee or conservator, or
  in any other similar capacity, an aggregate of 25% or more of the voting
  securities, or of any class of security, of any person, the beneficial
  ownership of a specified percentage of which would have constituted a
  conflicting interest under paragraph (vi), (vii) or (viii) of this
  Subsection. As to any such securities of which the Trustee acquired
  ownership through becoming executor, administrator or testamentary trustee
  of an estate which included them, the provisions of the preceding sentence
  shall not apply, for a period of two years from the date of such
  acquisition, to the extent that such securities included in such estate do
  not exceed 25% of such voting securities or 25% of any such class of
  security. Promptly after the date of any such Event of Default and annually
  in each succeeding year in which such Event of Default is continuing, the
  Trustee shall make a check of its holdings of such securities in any of the
  above-mentioned capacities as of such dates. If the Company or the
  Guarantor fails to make payment in full of the principal of or any premium
  or interest on any of the Securities when and as the same becomes due and
  payable, and such failure continues for 30 days thereafter, the Trustee
  shall make a prompt check of its holdings of such securities in any of the
  above-mentioned capacities as of the date of the expiration of such 30-day
  period, and after such date, notwithstanding the foregoing provisions of
  this paragraph, all such securities so held by the Trustee, with sole or
  joint control over such securities vested in it, shall, but only so long as
  such failure shall continue, be considered as though beneficially owned by
  the Trustee for the purposes of paragraphs (vi), (vii) and (viii) of this
  Subsection; or
 
    (x) except under the circumstances described in paragraphs (i), (iii),
  (iv), (v) or (vi) of Section 613(b), the Trustee shall be or shall become a
  creditor of the Company.
 
  For the purposes of paragraph (i) of this Subsection and of Sections 502,
512 and 513, the term "series of securities" or "series" means a series, class
or group of securities issuable under an indenture pursuant to whose terms
holders of one such series may vote to direct the Trustee, or otherwise take
action pursuant to a vote of such holders, separately from holders of another
such series; provided, that "series of securities" or "series" shall not
include any series of securities issuable under an indenture if all such
series rank equally and are wholly unsecured.
 
  The specification of percentages in paragraphs (v) to (ix), inclusive, of
this Subsection shall not be construed as indicating that the ownership of
such percentages of the securities of a person is or is not necessary or
sufficient to constitute direct or indirect control for the purposes of
paragraph (iii) or (vii) of this Subsection.
 
                                      36
<PAGE>
 
  For the purposes of paragraphs (vi), (vii), (viii) and (ix) of this
Subsection only, (A) the terms "security" and "securities" shall include only
such securities as are generally known as corporate securities, but shall not
include any note or other evidence of indebtedness issued to evidence an
obligation to repay moneys lent to a person by one or more banks, trust
companies or banking firms, or any certificate of interest or participation in
any such note or evidence of indebtedness; (B) an obligation shall be deemed
to be "in default" when a default in payment of principal shall have continued
for 30 days or more and shall not have been cured; and (C) the Trustee shall
not be deemed to be the owner or holder of (1) any security which it holds as
collateral security, as trustee or otherwise, for an obligation which is not
in default as defined in clause (B) above, or (2) any security which it holds
as collateral security under this Indenture, irrespective of any default
hereunder, or (3) any security which it holds as agent for collection, or as
custodian, escrow agent or depositary, or in any similar representative
capacity.
 
  Except in the case of a default in the payment of the principal of or any
premium or interest on any Security, or in the payment of any sinking or
purchase fund installment, the Trustee shall not be required to resign as
provided by this Section if the Trustee shall have sustained the burden of
proving, on application to the Commission and after opportunity for hearing
thereon, that (i) the default under the Indenture may be cured or waived
during a reasonable period and under the procedures described in such
application, and (ii) a stay of the Trustee's duty to resign will not be
inconsistent with the interests of the Holders of the Securities. The filing
of such an application shall automatically stay the performance of the duty to
resign until the Commission orders otherwise. Any resignation of the Trustee
shall become effective only upon the appointment of a successor trustee and
such successor's acceptance of such an appointment.
 
  (d) For the purposes of this Section:
 
    (i) The term "underwriter", when used with reference to the Company or
  the Guarantor, means every person who, within one year prior to the time as
  of which the determination is made, has purchased from the Company or the
  Guarantor with a view to, or has offered or sold for the Company or the
  Guarantor in connection with, the distribution of any security of the
  Company or the Guarantor outstanding at such time, or has participated or
  has had a direct or indirect participation in any such undertaking, or has
  participated or has had a participation in the direct or indirect
  underwriting of any such undertaking, but such term shall not include a
  person whose interest was limited to a commission from an underwriter or
  dealer not in excess of the usual and customary distributors' or sellers'
  commission.
 
    (ii) The term "director" means any director of a corporation or any
  individual performing similar functions with respect to any organization,
  whether incorporated or unincorporated.
 
    (iii) The term "person" means an individual, a corporation, a
  partnership, an association, a joint-stock company, a trust, an
  unincorporated organization or a government or political subdivision
  thereof. As used in this paragraph, the term "trust" shall include only a
  trust where the interest or interests of the beneficiary or beneficiaries
  are evidenced by a security.
 
    (iv) The term "voting security" means any security presently entitling
  the owner or holder thereof to vote in the direction or management of the
  affairs of a person, or any security issued under or pursuant to any trust,
  agreement or arrangement whereby a trustee or trustees or agent or agents
  for the owner or holder of such security are presently entitled to vote in
  the direction or management of the affairs of a person.
 
    (v) The term "Company" means any obligor upon the Securities.
 
    (vi) The term "Guarantor" means any obligor upon the Guarantees.
 
    (vii) The term "executive officer" means the president, every vice
  president, every trust officer, the cashier, the secretary and the
  treasurer of a corporation, and any individual customarily performing
  similar functions with respect to any organization whether incorporated or
  unincorporated, but shall not include the chairman of the board of
  directors.
 
                                      37
<PAGE>
 
  (e) The percentages of voting securities and other securities specified in
this Section shall be calculated in accordance with the following provisions:
 
    (i) A specified percentage of the voting securities of the Trustee, the
  Company, the Guarantor or any other person referred to in this Section
  (each of whom is referred to as a "person" in this paragraph) means such
  amount of the outstanding voting securities of such person as entitles the
  holder or holders thereof to cast such specified percentage of the
  aggregate votes which the holders of all the outstanding voting securities
  of such person are entitled to cast in the direction or management of the
  affairs of such person.
 
    (ii) A specified percentage of a class of securities of a person means
  such percentage of the aggregate amount of securities of the class
  outstanding.
 
    (iii) The term "amount", when used in regard to securities, means the
  principal amount if relating to evidences of indebtedness, the number of
  shares if relating to capital shares and the number of units if relating to
  any other kind of security.
 
    (iv) The term "outstanding" means issued and not held by or for the
  account of the issuer. The following securities shall not be deemed
  outstanding within the meaning of this definition:
 
      (A) securities of an issuer held in a sinking fund relating to
    securities of the issuer of the same class;
 
      (B) securities of an issuer held in a sinking fund relating to
    another class of securities of the issuer, if the obligation evidenced
    by such other class of securities is not in default as to principal or
    interest or otherwise;
 
      (C) securities pledged by the issuer thereof as security for an
    obligation of the issuer not in default as to principal or interest or
    otherwise; and
 
      (D) securities held in escrow if placed in escrow by the issuer
    thereof;
 
  provided, however, that any voting securities of an issuer shall be deemed
  outstanding if any person other than the issuer is entitled to exercise the
  voting rights thereof.
 
    (v) A security shall be deemed to be of the same class as another
  security if both securities confer upon the holder or holders thereof
  substantially the same rights and privileges; provided, however, that, in
  the case of secured evidences of indebtedness, all of which are issued
  under a single indenture, differences in the interest rates or maturity
  dates of various series thereof shall not be deemed sufficient to
  constitute such series different classes and provided, further, that, in
  the case of unsecured evidences of indebtedness, differences in the
  interest rates or maturity dates thereof shall not be deemed sufficient to
  constitute them securities of different classes, whether or not they are
  issued under a single indenture.
 
  (f) If Section 310(b) of the Trust Indenture Act is amended at any time
after the date of this Indenture to change the circumstances under which a
Trustee shall be determined to have a conflicting interest with respect to the
Securities of any series or to change any of the definitions in connection
therewith, this Section 608 shall be automatically amended to incorporate such
changes.
 
Section 609. Corporate Trustee Required; Eligibility.
 
  There shall at all times be a Trustee hereunder which shall be a corporation
organized and doing business under the laws of the United States of America,
any State thereof or the District of Columbia, authorized under such laws to
exercise corporate trust powers, having a combined capital and surplus of at
least $50,000,000, subject to supervision or examination by Federal or State
authority or, pursuant to such rules and regulations as the Commission may
prescribe, or by order of the Commission on application, a corporation or
other person organized and doing business under the laws of a foreign
government, if such corporation or other Person is (i) authorized under such
laws to exercise corporate trust powers and (ii) subject to supervision or
examination by
 
                                      38
<PAGE>
 
authority of such foreign government or a political subdivision thereof
substantially equivalent to supervision or examination applicable to United
States institutional trustees. If such corporation publishes reports of
condition at least annually, pursuant to law or to the requirements of said
supervising or examining authority, then for the purposes of this Section, 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. Neither the Company nor any person directly or
indirectly controlling, controlled by or under common control with the Company
shall serve as Trustee hereunder. If at any time the Trustee shall cease to be
eligible in accordance with the provisions of this Section, it shall resign
immediately in the manner and with the effect hereinafter specified in this
Article.
 
Section 610. Resignation and Removal; Appointment of Successor.
 
  (a) No resignation or removal of the Trustee and no appointment of a
successor Trustee pursuant to this Article shall become effective until the
acceptance of appointment by the successor Trustee in accordance with the
applicable requirements of Section 611.
 
  (b) The Trustee may resign at any time with respect to the Securities of one
or more series by giving written notice thereof to the Company and the
Guarantor. If the instrument of acceptance by a successor Trustee required by
Section 611 shall not have been delivered to the Trustee within 30 days after
the giving of such notice of resignation, the resigning Trustee may petition
any court of competent jurisdiction for the appointment of a successor Trustee
with respect to the Securities of such series.
 
  (c) The Trustee may be removed at any time with respect to the Securities of
any series by Act of the Holders of a majority in principal amount of the
Outstanding Securities of such series delivered to the Trustee, the Company
and the Guarantor.
 
  (d) If at any time:
 
    (i) the Trustee shall fail to comply with Section 608(a) after written
  request therefor by the Company, the Guarantor or any Holder of a Security
  who has been a bona fide Holder of a Security for at least six months, or
 
    (ii) the Trustee shall cease to be eligible under Section 609 and shall
  fail to resign after written request therefor by the Company, the Guarantor
  or any such Holder, or
 
    (iii) the Trustee shall become incapable of acting or shall be adjudged a
  bankrupt or insolvent or a receiver of the Trustee or of its property shall
  be appointed or any public officer shall take charge or control of the
  Trustee or of its property or affairs for the purpose of rehabilitation,
  conservation or liquidation,
 
then, in any such case, (A) the Company or the Guarantor by a Resolution may
remove the Trustee with respect to all Securities, or (B) subject to Section
514 and unless the Trustee's duty to resign has been stayed in accordance with
Section 608(c), any Holder of a Security who has been a bona fide Holder of a
Security for at least six months may, on behalf of himself and all others
similarly situated, petition any court of competent jurisdiction for the
removal of the Trustee with respect to all Securities and the appointment of a
successor Trustee or Trustees.
 
  (e) If the Trustee shall resign, be removed or become incapable of acting,
or if a vacancy shall occur in the office of Trustee for any cause, with
respect to the Securities of one or more series, the Company and the
Guarantor, by Resolutions, shall promptly appoint a successor Trustee or
Trustees with respect to the Securities of that or those series (it being
understood that any such successor Trustee may be appointed with respect to
the Securities of one or more or all of such series and that at any time there
shall be only one Trustee with respect to the Securities of any particular
series) and shall comply with the applicable requirements of Section 611. If,
within sixty (60) days after such resignation, removal or incapability, or the
occurrence of such vacancy, a successor Trustee with respect to the Securities
of any series shall be appointed by Act of the Holders of a majority in
principal amount of the Outstanding Securities of such series delivered to the
Company, the
 
                                      39
<PAGE>
 
Guarantor and the retiring Trustee, the successor Trustee so appointed shall,
forthwith upon its acceptance of such appointment in accordance with the
applicable requirements of Section 611, become the successor Trustee with
respect to the Securities of such series and to that extent supersede the
successor Trustee appointed by the Company and the Guarantor. If no successor
Trustee with respect to the Securities of any series shall have been so
appointed by the Company and the Guarantor or the Holders of Securities and
accepted appointment in the manner required by Section 611, the Trustee or any
Holder of a Security who has been a bona fide Holder of a Security of such
series for at least six months may, on behalf of himself and all others
similarly situated, petition any court of competent jurisdiction for the
appointment of a successor Trustee with respect to the Securities of such
series.
 
  (f) The Company shall give notice of each resignation and each removal of
the Trustee with respect to the Securities of any series and each appointment
of a successor Trustee with respect to the Securities of any series in the
manner provided in Section 106. Each notice shall include the name of the
successor Trustee with respect to the Securities of such series and the
address of its Corporate Trust Office.
 
Section 611. Acceptance of Appointment by Successor.
 
  (a) In case of the appointment hereunder of a successor Trustee with respect
to all Securities, every such successor Trustee so appointed shall execute,
acknowledge and deliver to the Company, the Guarantor and the retiring Trustee
an instrument accepting such appointment, and thereupon the resignation or
removal of the retiring Trustee shall become effective and such successor
Trustee, without any further act, deed or conveyance, shall become vested with
all the rights, powers, trusts and duties of the retiring Trustee; but, on the
request of the Company, the Guarantor or the successor Trustee, such retiring
Trustee shall, upon payment of its charges, execute and deliver an instrument
transferring to such successor Trustee all the rights, powers and trusts of
the retiring Trustee and shall duly assign, transfer and deliver to such
successor Trustee all property and money held by such retiring Trustee
hereunder, subject nevertheless to its lien, if any, provided for in Section
607.
 
  (b) In case of the appointment hereunder of a successor Trustee with respect
to the Securities of one or more (but not all) series, the Company, the
Guarantor, the retiring Trustee and each successor Trustee with respect to the
Securities of one or more series shall execute and deliver an indenture
supplemental hereto wherein each successor Trustee shall accept such
appointment and which (i) shall contain such provisions as shall be necessary
or desirable to transfer and confirm to, and to vest in, each successor
Trustee all the rights, powers, trusts and duties of the retiring Trustee with
respect to the Securities of that or those series to which the appointment of
such successor Trustee relates, (ii) if the retiring Trustee is not retiring
with respect to all Securities, shall contain such provisions as shall be
deemed necessary or desirable to confirm that all the rights, powers, trusts
and duties of the retiring Trustee with respect to the Securities of that or
those series as to which the retiring Trustee is not retiring shall continue
to be vested in the retiring Trustee, and (iii) 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 as co-trustees of the same trust and
that each such Trustee shall be trustee of a trust or trusts hereunder
separate and apart from any trust or trusts hereunder administered by any
other such Trustee; and upon the execution and delivery of such supplemental
indenture the resignation or removal of the retiring Trustee shall become
effective to the extent provided therein and each such successor Trustee,
without any further act, deed or conveyance, shall become vested with all the
rights, powers, trusts and duties of the retiring Trustee with respect to the
Securities of that or those series to which the appointment of such successor
Trustee relates; but, on request of the Company, the Guarantor or any
successor Trustee, such retiring Trustee shall duly assign, transfer and
deliver to such successor Trustee all property and money held by such retiring
Trustee hereunder with respect to the Securities of that or those series to
which the appointment of such successor Trustee relates, subject nevertheless
to its lien, if any, provided for in Section 607.
 
  (c) Upon request of any such successor Trustee, the Company and the
Guarantor shall execute any and all instruments for more fully and certainly
vesting in and confirming to such successor Trustee all such rights, powers
and trusts referred to in paragraph (a) or (b) of this Section, as the case
may be.
 
                                      40
<PAGE>
 
  (d) No successor Trustee shall accept its appointment unless at the time of
such acceptance such successor Trustee shall be qualified and eligible under
this Article.
 
Section 612. Merger, Conversion, Consolidation or Succession to Business.
 
  Any corporation into which the Trustee may be merged or converted or with
which it may be consolidated, or any corporation resulting from any merger,
conversion or consolidation to which the Trustee shall be a party, or any
corporation succeeding to all or substantially all the corporate trust
business of the Trustee, shall be the successor of the Trustee thereunder,
provided such corporation shall be otherwise qualified and eligible under this
Article, without the execution or filing of any paper or any further act on
the part of any of the parties hereto. In case any Securities shall have been
authenticated, but not delivered, by the Trustee then in office, any successor
by merger, conversion or consolidation to such authenticating Trustee may
adopt such authentication and deliver the Securities so authenticated with the
same effect as if such successor Trustee had itself authenticated such
Securities.
 
Section 613. Preferential Collection of Claims Against Company and Guarantor.
 
  (a) Subject to Subsection (b) of this Section, if the Trustee shall be or
shall become a creditor, directly or indirectly, secured or unsecured, of the
Company or the Guarantor within three months prior to a default, as defined in
Subsection (c) of this Section, or subsequent to such a default, then, unless
and until such default shall be cured, the Trustee shall set apart and hold in
a special account for the benefit of the Trustee individually, the Holders of
the Securities and coupons and the holders of other indenture securities, as
defined in Subsection (c) of this Section:
 
    (i) an amount equal to any and all reductions in the amount due and owing
  upon any claim as such creditor in respect of principal or interest,
  effected after the beginning of such three months' period and valid as
  against the Company and the Guarantor and other creditors of the Company
  and the Guarantor, except any such reduction resulting from the receipt or
  disposition of any property described in paragraph (ii) of this Subsection,
  or from the exercise of any right of set-off which the Trustee could have
  exercised if a petition in bankruptcy had been filed by or against the
  Company or the Guarantor upon the date of such default; and
 
    (ii) all property received by the Trustee in respect of any claim as such
  creditor, either as security therefor, or in satisfaction or composition
  thereof, or otherwise, after the beginning of such three months' period, or
  an amount equal to the proceeds of any such property, if disposed of,
  subject, however, to the rights, if any, of the Company and the Guarantor
  and other creditors of the Company and the Guarantor in such property or
  such proceeds.
 
    Nothing herein contained, however, shall affect the right of the Trustee:
 
      (A) to retain for its own account (1) payments made on account of any
    such claim by any Person (other than the Company or the Guarantor) who
    is liable thereon, and (2) the proceeds of the bona fide sale of any
    such claim by the Trustee to a third Person, and (3) distributions made
    in cash, securities or other property in respect of claims filed
    against the Company or the Guarantor in bankruptcy or receivership or
    in proceedings for reorganization pursuant to the Federal Bankruptcy
    Act or applicable State law;
 
      (B) to realize, for its own account, upon any property held by it as
    security for any such claim, if such property was so held prior to the
    beginning of such three months' period;
 
      (C) to realize, for its own account, but only to the extent of the
    claim hereinafter mentioned, upon any property held by it as security
    for any such claim, if such claim was created after the beginning of
    such three months' period and such property was received as security
    therefor simultaneously with the creation thereof, and if the Trustee
    shall sustain the burden of proving that at the time such property was
    so received the Trustee had no reasonable cause to believe that a
    default, as defined in Subsection (c) of this Section, would occur
    within three months; or
 
      (D) to receive payment on any claim referred to in paragraph (B) or
    (C), against the release of any property held as security for such
    claim as provided in paragraph (B) or (C), as the case may be, to the
    extent of the fair value of such property.
 
                                      41
<PAGE>
 
  For the purposes of paragraphs (B), (C) and (D), property substituted after
the beginning of such three months' period for property held as security at
the time of such substitution shall, to the extent of the fair value of the
property released, have the same status as the property released, and, to the
extent that any claim referred to in any of such paragraphs is created in
renewal of or in substitution for or for the purpose of repaying or refunding
any pre-existing claim of the Trustee as such creditor, such claim shall have
the same status as such pre-existing claim.
 
  If the Trustee shall be required to account, the funds and property held in
such special account and the proceeds thereof shall be apportioned among the
Trustee, the Holders of Securities and the holders of other indenture
securities in such manner that the Trustee, the Holders of Securities and the
holders of other indenture securities realize, as a result of payments from
such special account and payments of dividends on claims filed against the
Company or the Guarantor in bankruptcy or receivership or in proceedings for
reorganization pursuant to the Federal Bankruptcy Act or applicable State law,
the same percentage of their respective claims, figured before crediting to
the claim of the Trustee anything on account of the receipt by it from the
Company or the Guarantor of the funds and property in such special account and
before crediting to the respective claims of the Trustee and the Holders of
Securities and the holders of other indenture securities dividends on claims
filed against the Company or the Guarantor in bankruptcy or receivership or in
proceedings for reorganization pursuant to the Federal Bankruptcy Act or
applicable State law, but after crediting thereon receipts on account of the
indebtedness represented by their respective claims from all sources other
than from such dividends and from the funds and property so held in such
special account. As used in this paragraph, with respect to any claim, the
term "dividends" shall include any distribution with respect to such claim, in
bankruptcy or receivership or proceedings for reorganization pursuant to the
Federal Bankruptcy Act or applicable State law, whether such distribution is
made in cash, securities or other property, but shall not include any such
distribution with respect to the secured portion, if any, of such claim. The
court in which such bankruptcy, receivership or proceedings for reorganization
is pending shall have jurisdiction (x) to apportion among the Trustee, the
Holders of Securities and the holders of other indenture securities, in
accordance with the provisions of this paragraph, the funds and property held
in such special account and proceeds thereof, or (y) in lieu of such
apportionment, in whole or in part, to give to the provisions of this
paragraph due consideration in determining the fairness of the distributions
to be made to the Trustee and the Holders of Securities and the holders of
other indenture securities with respect to their respective claims, in which
event it shall not be necessary to liquidate or to appraise the value of any
securities or other property held in such special account or as security for
any such claim, or to make a specific allocation of such distributions as
between the secured and unsecured portions of such claims, or otherwise to
apply the provisions of this paragraph as a mathematical formula.
 
  Any Trustee which has resigned or been removed after the beginning of such
three months' period shall be subject to the provisions of this Subsection as
though such resignation or removal had not occurred. If any Trustee has
resigned or been removed prior to the beginning of such three months' period,
it shall be subject to the provisions of this Subsection if and only if the
following conditions exist:
 
    (i) the receipt of property or reduction of claim, which would have given
  rise to the obligation to account, if such Trustee had continued as
  Trustee, occurred after the beginning of such three months' period; and
 
    (ii) such receipt of property or reduction of claim occurred within three
  months after such resignation or removal.
 
  In any case commenced under the Bankruptcy Act of July 1, 1898 or any
amendment thereto enacted prior to November 6, 1978, all references in this
Subsection to periods of three months shall be deemed to be references to
periods of four months.
 
  (b) There shall be excluded from the operation of Subsection (a) of this
Section a creditor relationship arising from:
 
    (i) the ownership or acquisition of securities issued under any
  indenture, or any security or securities having a maturity of one year or
  more at the time of acquisition by the Trustee;
 
                                      42
<PAGE>
 
    (ii) advances authorized by a receivership or bankruptcy court of
  competent jurisdiction or by this Indenture, for the purpose of preserving
  any property which shall at any time be subject to the lien of this
  Indenture or of discharging tax liens or other prior liens or encumbrances
  thereon, if notice of such advances and of the circumstances surrounding
  the making thereof is given to the Holders of Securities at the time and in
  the manner provided in this Indenture;
 
    (iii) disbursements made in the ordinary course of business in the
  capacity of trustee under an indenture, transfer agent, registrar,
  custodian, paying agent, fiscal agent or depositary, or other similar
  capacity;
 
    (iv) an indebtedness created as a result of services rendered or premises
  rented, or an indebtedness created as a result of goods or securities sold
  in a cash transaction, as defined in Subsection (c) of this Section;
 
    (v) the ownership of stock or of other securities of a corporation
  organized under the provisions of Section 25(a) of the Federal Reserve Act,
  as amended, which is directly or indirectly a creditor of the Company or
  the Guarantor; and
 
    (vi) the acquisition, ownership, acceptance or negotiation of any drafts,
  bills of exchange, acceptances or obligations which fall within the
  classification of self-liquidating paper, as defined in Subsection (c) of
  this Section.
 
  (c) For the purposes of this Section only:
 
    (i) the term "default" means any failure to make payment in full of the
  principal of or interest on any of the Securities or upon the other
  indenture securities when and as such principal or interest becomes due and
  payable;
 
    (ii) the term "other indenture securities" means securities upon which
  the Company or the Guarantor is an obligor outstanding under any other
  indenture (A) under which the Trustee is also trustee, (B) which contains
  provisions substantially similar to the provisions of this Section, and (C)
  under which a default exists at the time of the apportionment of the funds
  and property held in such special account;
 
    (iii) the term "cash transaction" means any transaction in which full
  payment for goods or securities sold is made within seven days after
  delivery of the goods or securities in currency or in checks or other
  orders drawn upon banks or bankers and payable upon demand;
 
    (iv) the term "self-liquidating paper" means any draft, bill of exchange,
  acceptance or obligation which is made, drawn, negotiated or incurred by
  the Company or the Guarantor for the purpose of financing the purchase,
  processing, manufacturing, shipment, storage or sale of goods, wares or
  merchandise and which is secured by documents evidencing title to,
  possession of, or a lien upon, the goods, wares or merchandise or the
  receivables or proceeds arising from the sale of the goods, wares or
  merchandise previously constituting the security, provided the security is
  received by the Trustee simultaneously with the creation of the creditor
  relationship with the Company or the Guarantor arising from the making,
  drawing, negotiating or incurring of the draft, bill of exchange,
  acceptance or obligation;
 
    (v) the term "Company" means any obligor upon the Securities;
 
    (vi) the term "Guarantor" means any obligor upon the Guarantees; and
 
    (vii) the term "Federal Bankruptcy Act" means the Bankruptcy Act or Title
  11 of the United States Code.
 
Section 614. Appointment of Authenticating Agent.
 
  The Trustee may appoint an Authenticating Agent or Agents with respect to
one or more series of Securities which shall be authorized to act on behalf of
the Trustee to authenticate Securities of such series issued upon original
issue or upon exchange, registration of transfer or partial redemption thereof
or pursuant to Section 306, and Securities so authenticated shall be entitled
to the benefits of this Indenture and shall be valid and obligatory
 
                                      43
<PAGE>
 
for all purposes as if authenticated by the Trustee hereunder. Wherever
reference is made in this Indenture to the authentication and delivery of
Securities by the Trustee or the Trustee's certificate of authentication, such
reference shall be deemed to include authentication and delivery on behalf of
the Trustee by an Authenticating Agent and a certificate of authentication
executed on behalf of the Trustee by an Authenticating Agent. Each
Authenticating Agent shall be acceptable to the Company and the Guarantor and
shall at all times be a corporation organized and doing business under the
laws of the United States of America, any State thereof or the District of
Columbia, authorized under such laws to act as Authenticating Agent, having a
combined capital and surplus of not less than $50,000,000 and subject to
supervision or examination by Federal or State authority. If such
Authenticating Agent publishes reports of condition at least annually,
pursuant to law or to the requirements of said supervising or examining
authority, then, for the purposes of this Section, the combined capital and
surplus of such Authenticating Agent shall be deemed to be its combined
capital and surplus as set forth in its most recent report of condition so
published. If at any time an Authenticating Agent shall cease to be eligible
in accordance with the provisions of this Section, such Authenticating Agent
shall resign immediately in the manner and with the effect specified in this
Section.
 
  Any corporation into which an Authenticating Agent may be merged or
converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which such Authenticating
Agent shall be a party, or any corporation succeeding to the corporate agency
or corporate trust business of such Authenticating Agent, shall continue to be
an Authenticating Agent, provided such corporation shall be otherwise eligible
under this Section, without the execution or filing of any paper or any
further act on the part of the Trustee or such Authenticating Agent.
 
  An Authenticating Agent may resign at any time by giving written notice
thereof to the Trustee and to the Company and the Guarantor. The Trustee may
at any time terminate the agency of an Authenticating Agent by giving written
notice thereof to such Authenticating Agent and to the Company and the
Guarantor. Upon receiving such a notice of resignation or upon such a
termination, or in case at any time such Authenticating Agent shall cease to
be eligible in accordance with the provisions of this Section, the Trustee may
appoint a successor Authenticating Agent which shall be acceptable to the
Company and the Guarantor and shall mail written notice of such appointment by
first-class mail, postage prepaid, to all Holders of Registered Securities, if
any, of the series with respect to which such Authenticating Agent will serve,
as their names and addresses appear in the Security Register. Any successor
Authenticating Agent upon acceptance of its appointment hereunder shall become
vested with all the rights, powers and duties of its predecessor hereunder,
with like effect as if originally named as an Authenticating Agent. No
successor Authenticating Agent shall be appointed unless eligible under the
provisions of this Section.
 
  The Trustee agrees to pay to each Authenticating Agent from time to time
reasonable compensation for its services under this Section, and the Trustee
shall be entitled to be reimbursed for such payments, subject to the
provisions of Section 607.
 
  If an appointment with respect to one or more series is made pursuant to
this Section, the Securities of such series may have endorsed thereon, in
addition to the Trustee's certificate of authentication, an alternative
certificate of authentication in the following form:
 
  This is one of the Securities of the series designated herein and referred
to in the within-mentioned Indenture.
 
                                          ______________________________________
                                                       As Trustee
 
                                          By ___________________________________
                                                  As Authenticating Agent
 
                                          By ___________________________________
                                                    Authorized Officer
 
 
                                      44
<PAGE>
 
                                 ARTICLE SEVEN
 
         Holders' Lists and Reports by Trustee, Company and Guarantor
 
Section 701. Company and Guarantor to Furnish Trustee Names and Addresses of
Holders.
 
  The Company and the Guarantor will furnish or cause to be furnished to the
Trustee with respect to the Securities of each Series:
 
    (a) semi-annually, not later than February 15 and August 15 in each year,
  a list, in such form as the Trustee may reasonably require, containing all
  the information in the possession or control of the Company, or any of its
  Paying Agents other than the Trustee, as to the names and addresses of the
  Holders of Securities as of the preceding February 1 or August 1, as the
  case may be, and
 
    (b) at such other times as the Trustee may request in writing, within 30
  days after the receipt by the Company and the Guarantor of any such
  request, a list of similar form and content as of a date not more than 15
  days prior to the time such list is furnished;
 
excluding from any such list names and addresses received by the Trustee in
its capacity as Security Registrar.
 
Section 702. Preservation of Information; Communications to Holders.
 
  (a) The Trustee shall preserve, in as current a form as is reasonably
practicable, the names and addresses of Holders of Securities of each Series
(i) contained in the most recent lists furnished to the Trustee as provided in
Section 701, (ii) received by the Trustee in its capacity as Security
Registrar and (iii) filed with it within the two preceding years pursuant to
Section 703(c)(iii). The Trustee may (i) destroy any list furnished to it as
provided in Section 701 upon receipt of a new list so furnished, (ii) destroy
any information received by it as Paying Agent (if so acting) hereunder upon
delivering to itself as Trustee, not earlier than July 1 or January 1, a list
containing the names and addresses of the Holders of Securities obtained from
such information since the delivery of the next previous list, if any, (iii)
destroy any list delivered to itself as Trustee which was compiled from
information received by it as Paying Agent (if so acting) hereunder upon the
receipt of a new list so delivered, and (iv) destroy not earlier than two
years after filing any information filed with it pursuant to Section
703(c)(iii).
 
  (b) If three or more Holders of Securities (herein referred to as
"applicants") apply in writing to the Trustee, and furnish to the Trustee
reasonable proof that each such applicant has owned a Security for a period of
at least six months preceding the date of such application, and such
application states that the applicants desire to communicate with other
Holders of Securities with respect to their rights under this Indenture or
under the Securities and is accompanied by a copy of the form of proxy or
other communication which such applicants propose to transmit, then the
Trustee shall, within five business days after the receipt of such
application, at its election, either
 
    (i) afford such applicants access to the information preserved at the
  time by the Trustee in accordance with Section 702(a), or
 
    (ii) inform such applicants as to the approximate number of Holders of
  Securities whose names and addresses appear in the information preserved at
  the time by the Trustee in accordance with Section 702(a), and as to the
  approximate cost of mailing to such Holders the form of proxy or other
  communication, if any, specified in such application.
 
  If the Trustee shall elect not to afford such applicants access to such
information, the Trustee shall, upon the written request of such applicants,
mail to each Holder of Securities whose name and address appear in the
information preserved at the time by the Trustee in accordance with Section
702(a) a copy of the form of proxy or other communication which is specified
in such request, with reasonable promptness after a tender to the Trustee of
the material to be mailed and of payment, or provision for the payment, of the
reasonable expenses of mailing, unless within five days after such tender the
Trustee shall mail to such applicants and file with the
 
                                      45
<PAGE>
 
Commission, together with a copy of the material to be mailed, a written
statement to the effect that, in the opinion of the Trustee, such mailing
would be contrary to the best interest of the Holders of Securities or would
be in violation of applicable law. Such written statement shall specify the
basis of such opinion. If the Commission, after opportunity for a hearing upon
the objections specified in the written statement so filed, shall enter an
order refusing to sustain any of such objections or if, after the entry of an
order sustaining one or more of such objections, the Commission shall find,
after notice and opportunity for hearing, that all the objections so sustained
have been met and shall enter an order so declaring, the Trustee shall mail
copies of such material to all such Holders of Securities with reasonable
promptness after the entry of such order and the renewal of such tender;
otherwise the Trustee shall be relieved of any obligation or duty to such
applicants respecting their application.
 
  (c) Every Holder of Securities or coupons, by receiving and holding the
same, agrees with the Company, the Guarantor and the Trustee that neither the
Company, the Guarantor nor the Trustee nor any agent of any of them shall be
held accountable by reason of the disclosure of any such information as to the
names and addresses of the Holders of Securities in accordance with Section
702(b), regardless of the source from which such information was derived, and
that the Trustee shall not be held accountable by reason of mailing any
material pursuant to a request made under Section 702(b).
 
Section 703. Reports by Trustee.
 
  (a) Within 60 days after August 15 of each year commencing with the year
1998, the Trustee shall transmit by mail to the Holders of Securities, as
provided in Subsection (c) of this Section, a brief report dated as of such
August 15 with respect to any of the following events which may have occurred
within the previous 12 months (but if no such event has occurred within such
period no report need be transmitted):
 
    (i) any change to its eligibility under Section 609 and its
  qualifications under Section 608;
 
    (ii) the creation of any material change to a relationship specified in
  paragraphs (i) through (x) of Section 608(c);
 
    (iii) the character and amount of any advances (and if the Trustee elects
  so to state, the circumstances surrounding the making thereof) made by the
  Trustee (as such) which remain unpaid on the date of such report, and for
  the reimbursement of which it claims or may claim a lien or charge, prior
  to that of the Securities, on any property or funds held or collected by it
  as Trustee, except that the Trustee shall not be required (but may elect)
  to report such advances if such advances so remaining unpaid aggregate not
  more than 1/2 of 1% of the principal amount of the Securities Outstanding
  on the date of such report;
 
    (iv) the amount, interest rate and maturity date of all other
  indebtedness owing by the Company or the Guarantor (or by any other obligor
  on the Securities) to the Trustee in its individual capacity, on the date
  of such report, with a brief description of any property held as collateral
  security therefor, except an indebtedness based upon a creditor
  relationship arising in any manner described in Section 613(b)(ii), (iii),
  (iv) or (vi);
 
    (v) any change to the property and funds, if any, physically in the
  possession of the Trustee as such on the date of such report;
 
    (vi) any additional issue of Securities which the Trustee has not
  previously reported; and
 
    (vii) any action taken by the Trustee in the performance of its duties
  hereunder which it has not previously reported and which in its opinion
  materially affects the Securities, except action in respect of a default,
  notice of which has been or is to be withheld by the Trustee in accordance
  with Section 602.
 
  (b) The Trustee shall transmit to the Holders of Securities, 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)
since the date of the last report transmitted pursuant to Subsection (a) of
this Section (or if no such report has yet been so transmitted,
 
                                      46
<PAGE>
 
since the date of execution of this instrument) for the reimbursement of which
it claims or may claim a lien or charge, prior to that of the Securities, on
property or funds held or collected by it as Trustee and which it has not
previously reported pursuant to this Subsection, except that the Trustee shall
not be required (but may elect) to report such advances if such advances
remaining unpaid at any time aggregate 10% or less of the principal amount of
the Securities Outstanding at such time, such report to be transmitted within
90 days after such time.
 
  (c) Reports pursuant to this Section shall be transmitted by mail:
 
    (i) to all Holders of Registered Securities, as the names and addresses
  of such Holders appear in the Security Register;
 
    (ii) to such Holders of Bearer Securities as have, within the two years
  preceding such transmission, filed their names and addresses with the
  Trustee for that purpose; and
 
    (iii) except in the case of reports pursuant to Subsection (b) of this
  Section, to each Holder of a Security whose name and address is preserved
  at the time by the Trustee, as provided in Section 702(a).
 
  (d) A copy of each such report shall, at the time of such transmission to
Holders of Securities, be filed by the Trustee with each stock exchange upon
which any Securities are listed, with the Commission and with the Company and
the Guarantor. The Company and the Guarantor will notify the Trustee when any
Securities are listed on any stock exchange.
 
Section 704. Reports by Company and Guarantor.
 
    The Company and the Guarantor shall:
 
    (a) file with the Trustee, within 15 days after the Company or the
  Guarantor is required to file the same with the Commission, copies of the
  annual reports and of the information, documents and other reports (or
  copies of such portions of any of the foregoing as the Commission may from
  time to time by rules and regulations prescribe) which the Company or the
  Guarantor may be required to file with the Commission pursuant to Section
  13 or Section 15(d) of the Securities Exchange Act of 1934, as amended; or,
  if the Company or the Guarantor is not required to file information,
  documents or reports pursuant to either of said Sections, then it shall
  file with the Trustee and the Commission, in accordance with rules and
  regulations prescribed from time to time by the Commission, such of the
  supplementary and periodic information, documents and reports which may be
  required pursuant to Section 13 of the Securities Exchange Act of 1934, as
  amended, in respect of a security listed and registered on a national
  securities exchange as may be prescribed from time to time in such rules
  and regulations;
 
    (b) file with the Trustee and the Commission, in accordance with rules
  and regulations prescribed from time to time by the Commission, such
  additional information, documents and reports with respect to compliance by
  the Company and the Guarantor with the conditions and covenants of this
  Indenture as may be required from time to time by such rules and
  regulations;
 
    (c) transmit, within 30 days after the filing thereof with the Trustee,
  to the Holders of Securities, in the manner and to the extent provided in
  Section 703(c) with respect to reports pursuant to Section 703(a), such
  summaries of any information, documents and reports required to be filed by
  the Company and the Guarantor pursuant to paragraphs (a) and (b) of this
  Section as may be required by rules and regulations prescribed from time to
  time by the Commission; and
 
    (d) furnish to the Trustee, not less often than annually, a brief
  certificate from the principal executive officer, principal financial
  officer or principal accounting officer of the Company as to his or her
  knowledge of the Company's compliance with all conditions and covenants
  under the Indenture, such compliance to be determined without regard to any
  period of grace or requirement of notice provided under the Indenture.
 
                                      47
<PAGE>
 
                                 ARTICLE EIGHT
 
             Consolidation, Merger, Conveyance, Transfer or Lease
 
Section 801. Company and Guarantor May Consolidate, Etc., Only on Certain
Terms.
 
  Neither the Company nor the Guarantor shall consolidate with or merge into
any other Person or convey, transfer or lease its properties and assets
substantially as an entirety to any Person, and neither the Company nor the
Guarantor shall permit any Person to consolidate with or merge into it or
convey, transfer or lease its properties and assets substantially as an
entirety to it, unless:
 
    (a) in case the Company or the Guarantor shall consolidate with or merge
  into another Person or convey, transfer or lease its properties and assets
  substantially as an entirety to any Person, the Person formed by such
  consolidation or into which the Company or the Guarantor is merged or the
  Person which acquires by conveyance or transfer, or which leases, the
  properties and assets of the Company or the Guarantor substantially as an
  entirety shall be a corporation, partnership or trust, shall be organized
  and validly existing under the laws of the United States of America, any
  State thereof or the District of Columbia and shall expressly assume, by an
  indenture supplemental hereto, executed and delivered to the Trustee, in
  form satisfactory to the Trustee, the due and punctual payment of the
  principal of (and premium, if any) and interest (including all additional
  amounts, if any, payable pursuant to Section 1004) on all the Securities
  and the performance of every covenant of this Indenture on the part of the
  Company or the Guarantor to be performed or observed;
 
    (b) immediately after giving effect to such transaction no Event of
  Default, and no event which, after notice or lapse of time or both, would
  become an Event of Default, shall have happened and be continuing; and
 
    (c) if, as a result of any such consolidation or merger or such
  conveyance, transfer or lease, properties or assets of the Company would
  become subject to a Mortgage which would not be permitted by Section 1006
  without equally and ratably securing the Securities as provided therein,
  the Company or such successor corporation or Person, as the case may be,
  shall take such steps as shall be necessary effectively to secure the
  Securities equally and ratably with (or prior to) all indebtedness secured
  thereby pursuant to Section 1006.
 
Section 802. Successor Substituted.
 
  Upon any consolidation of the Company or the Guarantor with, or merger of
the Company or the Guarantor into, any other Person or any conveyance,
transfer or lease of the properties and assets of the Company or the Guarantor
substantially as an entirety in accordance with Section 801, the successor
Person formed by such consolidation or into which the Company or the Guarantor
is merged or to which such conveyance, transfer or lease is made shall succeed
to, and be substituted for, and may exercise every right and power of, the
Company or the Guarantor under this Indenture with the same effect as if such
successor Person had been named as the Company or the Guarantor herein, and
thereafter, except in the case of a lease, the predecessor Person shall be
relieved of all obligations and covenants under this Indenture and the
Securities and coupons and Guarantees, as applicable.
 
                                 ARTICLE NINE
 
                            Supplemental Indentures
 
Section 901. Supplemental Indentures Without Consent of Holders.
 
  Without the consent of any Holders of Securities or coupons, the Company and
the Guarantor, when authorized by a Resolution, and the Trustee, at any time
and from time to time, may enter into one or more indentures supplemental
hereto, in form satisfactory to the Trustee, for any of the following
purposes:
 
    (a) to evidence the succession of another Person to the Company or the
  Guarantor and the assumption by any such successor of the covenants of the
  Company or the Guarantor herein and in the Securities; or
 
                                      48
<PAGE>
 
    (b) to add to the covenants of the Company or the Guarantor for the
  benefit of the Holders of all or any series of Securities (and if such
  covenants are to be for the benefit of less than all series of Securities,
  stating that such covenants are expressly being included solely for the
  benefit of such series) or to surrender any right or power herein conferred
  upon the Company or the Guarantor; or
 
    (c) to add any additional Events of Default; or
 
    (d) to add to or change any of the provisions of this Indenture to
  provide that Bearer Securities may be registrable as to principal, to
  change or eliminate any restrictions on the payment of principal of or any
  premium or interest on Bearer Securities, to permit Bearer Securities to be
  issued in exchange for Registered Securities, to permit Bearer Securities
  to be issued in exchange for Bearer Securities of other authorized
  denominations or to permit the issuance of Securities in uncertificated
  form, provided that any such action shall not adversely affect the
  interests of the Holders of Securities of any series or any related coupons
  in any material respect; or
 
    (e) to change or eliminate any of the provisions of this Indenture,
  provided that any such change or elimination shall become effective only
  when there is no Security Outstanding of any series created prior to the
  execution of such supplemental indenture which is entitled to the benefit
  of such provision; or
 
    (f) to secure the Securities; or
 
    (g) to establish the form or terms of Securities of any series and any
  related coupons as permitted by Sections 201 and 301; or
 
    (h) to evidence and provide for the acceptance of appointment hereunder
  by a successor Trustee with respect to the Securities of one or more series
  and to add to or change any of the provisions of this Indenture as shall be
  necessary to provide for or facilitate the administration of the trusts
  hereunder by more than one Trustee, pursuant to the requirements of Section
  611(b); or
 
    (i) to cure any ambiguity, to correct or supplement any provision herein
  which may be defective or inconsistent with any other provision herein, or
  to make any other provisions with respect to matters or questions arising
  under this Indenture or any Security or Guarantee issued hereunder,
  provided that any such indenture supplemental hereto shall not adversely
  affect the interests of the Holders of Securities of any series or any
  related coupons in any material respect.
 
Section 902. Supplemental Indentures with Consent of Holders.
 
  With the consent of the Holders of not less than a majority in principal
amount of the Outstanding Securities of each series affected by such
supplemental indenture, by Act of said Holders delivered to the Company, the
Guarantor and the Trustee, the Company and the Guarantor, when authorized by a
Resolution, and the Trustee may enter into an indenture or indentures
supplemental hereto for the purpose of adding any provisions to or changing in
any manner or eliminating any of the provisions of this Indenture or of
modifying in any manner the rights of the Holders of Securities of such series
and any related coupons under this Indenture; provided, however, that no such
supplemental indenture shall, except as otherwise specified as contemplated by
Section 301, without the consent of the Holder of each Outstanding Security
affected thereby,
 
    (a) change the Stated Maturity Date of the principal of, or any
  installment of principal of or interest on, any Security, or reduce the
  principal amount thereof or the rate of interest thereon or any premium
  payable upon the redemption thereof, or change any obligation of the
  Company or the Guarantor to pay additional amounts pursuant to Section 1004
  (except as contemplated by Section 801(a) and permitted by Section 901(a)),
  or reduce the amount of the principal of an Original Issue Discount
  Security that would be due and payable upon a declaration of acceleration
  of the Maturity thereof pursuant to Section 502 or change the coin or
  currency in which any Security or any premium or any interest thereon is
  payable, or impair the right to institute suit for the enforcement of any
  such payment on or after the Stated Maturity Date thereof (or, in the case
  of redemption, or on or after the Redemption Date), or
 
 
                                      49
<PAGE>
 
    (b) reduce the percentage in principal amount of the Outstanding
  Securities of any series, the consent of whose Holders is required for any
  such supplemental indenture, or the consent of whose Holders is required
  for any waiver (of compliance with certain provisions of this Indenture or
  certain defaults hereunder and their consequences) provided for in this
  Indenture, or reduce the requirements of Section 1304 for quorum or voting,
  or
 
    (c) change any obligation of the Company to maintain an office or agency
  in the places and for the purposes specified in Section 1002, or
 
    (d) except as provided in Section 901(i), modify any of the provisions of
  the Guarantee, or
 
    (e) modify any of the provisions of this Section, Section 513 or Section
  1007, except to increase any such percentage or to provide that certain
  other provisions of this Indenture cannot be modified or waived without the
  consent of the Holder of each Outstanding Security affected thereby;
  provided, however, that this clause shall not be deemed to require the
  consent of any Holder of a Security or coupon with respect to changes in
  the references to "the Trustee" and concomitant changes in this Section and
  Section 1007, or the deletion of this proviso, in accordance with the
  requirements of Sections 611(b) and 901(h). A supplemental indenture which
  changes or eliminates any covenant or other provision of this Indenture
  which has expressly been included solely for the benefit of one or more
  particular series of Securities, or which modifies the rights of the
  Holders of Securities of such series with respect to such covenant or other
  provision, shall be deemed not to affect the rights under this Indenture of
  the Holders of Securities of any other series.
 
  It shall not be necessary for any Act of Holders of Securities under this
Section to approve the particular form of any proposed supplemental indenture,
but it shall be sufficient if such Act shall approve the substance thereof.
 
Section 903. Execution of Supplemental Indentures.
 
  In executing, or accepting the additional trusts created by, any
supplemental indenture permitted by this Article or the modifications thereby
of the trusts created by this Indenture, the Trustee shall be entitled to
receive, and (subject to Section 601) shall be fully protected in relying
upon, an Opinion of Counsel stating that the execution of such supplemental
indenture is authorized or permitted by this Indenture. The Trustee may, but
shall not be obligated to, enter into any such supplemental indenture which
affects the Trustee's own rights, duties or immunities under this Indenture or
otherwise.
 
Section 904. Effect of Supplemental Indentures.
 
  Upon the execution of any supplemental indenture under this Article, this
Indenture shall be modified in accordance therewith, and such supplemental
indenture shall form a part of this Indenture for all purposes, and every
Holder of Securities theretofore and thereafter authenticated and delivered
hereunder and of any coupons appertaining thereto shall be bound thereby.
 
Section 905. Conformity with Trust Indenture Act.
 
  Every supplemental indenture executed pursuant to this Article shall conform
to the requirements of the Trust Indenture Act as then in effect.
 
Section 906. Reference in Securities to Supplemental Indentures.
 
  Securities of any series authenticated and delivered after the execution of
any supplemental indenture pursuant to this Article may, and shall if required
by the Trustee, bear a notation in form approved by the Trustee as to any
matter provided for in such supplemental indenture. If the Company shall so
determine, new Securities of any series so modified as to conform, in the
opinion of the Trustee, the Company and the Guarantor, to any such
supplemental indenture may be prepared and executed by the Company and
authenticated and delivered (with duly executed Guarantees endorsed thereon)
by the Trustee in exchange for Outstanding Securities of such series.
 
                                      50
<PAGE>
 
                                  ARTICLE TEN
 
                                   Covenants
 
Section 1001. Payment of Principal, Premium and Interest.
 
  The Company covenants and agrees for the benefit of each series of
Securities that it will duly and punctually pay the principal of and any
premium and interest on the Securities of that series in accordance with the
terms of the Securities, any coupons appertaining thereto and this Indenture.
Unless otherwise specified as contemplated by Section 301 with respect to any
series of Securities, any interest due on Bearer Securities on or before
Maturity shall be payable only upon presentation and surrender of the several
coupons for such interest installments as are evidenced thereby as they
severally mature.
 
Section 1002. Maintenance of Office or Agency.
 
  If Securities of a series are issuable only as Registered Securities, the
Company will maintain in each Place of Payment for such series an office or
agency where Securities of that series may be presented or surrendered for
payment, where Securities of that series may be surrendered for registration
of transfer or exchange and where notices and demands to or upon the Company
or the Guarantor in respect of the Securities of that series and this
Indenture may be served. Except as otherwise specified as contemplated by
Section 301, if Securities of a series are issuable as Bearer Securities, the
Company will maintain (a) in the United States, an office or agency where any
Registered Securities of that series may be presented or surrendered for
payment, where any Registered Securities of that series may be surrendered for
registration of transfer, where Securities of that series may be surrendered
for exchange, where notices and demands to or upon the Company or the
Guarantor in respect of the Securities of that series and this Indenture may
be served and where Bearer Securities of that series and related coupons may
be presented or surrendered for payment in the circumstances described in the
following paragraph (and not otherwise), (b) subject to any laws or
regulations applicable thereto, in a Place of Payment for that series which is
located outside the United States, an office or agency where Securities of
that series and related coupons may be presented and surrendered for payment
(including payment of any additional amounts payable on Securities of that
series pursuant to Section 1004); provided, however, that if the Securities of
that series are listed on The International Stock Exchange, London, the
Luxembourg Stock Exchange or any other stock exchange located outside the
United States and such stock exchange shall so require, the Company will
maintain a Paying Agent for the Securities of that series in London,
Luxembourg or any other required city located outside the United States, as
the case may be, so long as the Securities of that series are listed on such
exchange, and (c) subject to any laws or regulations applicable thereto, in a
Place of Payment for that series located outside the United States an office
or agency where any Registered Securities of that series may be surrendered
for registration of transfer, where Securities of that series may be
surrendered for exchange and where notices and demands to or upon the Company
or the Guarantor in respect of the Securities of that series and this
Indenture may be served. The Company will give prompt written notice to the
Trustee and the Holders of the location, and any change in the location, of
any such office or agency. If at any time the Company shall fail to maintain
any such required office or agency in respect of any series of Securities or
shall fail to furnish the Trustee with the address thereof, such presentations
and surrenders of Securities of that series may be made and notices and
demands may be made or served at the Corporate Trust Office of the Trustee,
except that Bearer Securities of that series and the related coupons may be
presented and surrendered for payment (including payment of any additional
amounts payable on Bearer Securities of that series pursuant to Section 1004)
at an office maintained by the Trustee in London, and the Company hereby
appoints the same as its agent to receive such respective presentations,
surrenders, notices and demands.
 
  Except as otherwise specified as contemplated by Section 301, no payment of
principal, premium or interest on Bearer Securities shall be made at any
office or agency of the Company in the United States or by check mailed to any
address in the United States or by transfer to an account maintained with a
bank located in the United States, provided, however, that, if the Securities
of a series are denominated and payable in Dollars,
 
                                      51
<PAGE>
 
payment of principal of and any premium and interest on any Bearer Security
(including any additional amounts payable on Securities of such series
pursuant to Section 1004) shall be made at the office of the Company's Paying
Agent in the United States, if (but only if) payment in Dollars of the full
amount of such principal, premium, interest or additional amounts, as the case
may be, at all offices or agencies outside the United States maintained for
that purpose by the Company in accordance with this Indenture is illegal or
effectively precluded by exchange controls or other similar restrictions.
 
  The Company may also from time to time designate one or more other offices
or agencies where the Securities of one or more series may be presented or
surrendered for any or all such purposes and may from time to time rescind
such designations; provided, however, that no such designation or rescission
shall in any manner relieve the Company of its obligation to maintain an
office or agency in accordance with the requirements set forth above for
Securities of any series for such purposes. The Company will give prompt
written notice to the Trustee and the Holders of any such designation or
rescission and of any change in the location of any such other office or
agency.
 
  Except as otherwise specified as contemplated by Section 301, the Company
hereby appoints the Trustee as the initial Paying Agent and designates the
Corporate Trust Office of the Trustee as its office for the purposes of and
pursuant to this Section 1002.
 
Section 1003. Money for Securities Payments to Be Held in Trust.
 
  If the Company shall at any time act as its own Paying Agent with respect to
any series of Securities, it will, on or before each due date of the principal
of and any premium or interest on any of the Securities of that series,
segregate and hold in trust for the benefit of the Persons entitled thereto a
sum sufficient to pay the principal and any premium or interest so becoming
due until such sums shall be paid to such Persons or otherwise disposed of as
herein provided and will promptly notify the Trustee of its action or failure
so to act.
 
  Whenever the Company shall have one or more Paying Agents for any series of
Securities, it will, prior to each due date of the principal of and any
premium or interest on any Securities of that series, deposit with a Paying
Agent a sum sufficient to pay the principal and any premium or interest so
becoming due, such sum to be held in trust for the benefit of the Persons
entitled to such principal, premium or interest, and (unless such Paying Agent
is the Trustee) the Company will promptly notify the Trustee of its action or
failure so to act.
 
  The Company will cause each Paying Agent for any series of Securities other
than the Trustee to execute and deliver to the Trustee an instrument in which
such Paying Agent shall agree with the Trustee, subject to the provisions of
this Section, that such Paying Agent will:
 
    (a) hold all sums held by it for the payment of the principal of and any
  premium or interest on Securities of that series in trust for the benefit
  of the Persons entitled thereto until such sums shall be paid to such
  Persons or otherwise disposed of as herein provided;
 
    (b) give the Trustee notice of any default by the Company (or any other
  obligor upon the Securities of that series) in the making of any payment of
  principal of and any premium or interest on the Securities of that series;
  and
 
    (c) at any time during the continuance of any such default, upon the
  written request of the Trustee, forthwith pay to the Trustee all sums so
  held in trust by such Paying Agent.
 
  The Company may at any time, for the purpose of obtaining the satisfaction
and discharge of this Indenture or for any other purpose, pay, or by Company
Order direct any Paying Agent to pay, to the Trustee all sums held in trust by
the Company or such Paying Agent, such sums to be held by the Trustee upon the
same trusts as
 
                                      52
<PAGE>
 
those upon which such sums were held by the Company or such Paying Agent; and,
upon such payment by any Paying Agent to the Trustee, such Paying Agent shall
be released from all further liability with respect to such money.
 
  Any money deposited with the Trustee or any Paying Agent, or then held by
the Company, in trust for the payment of the principal of and any premium or
interest on any Security of any series and remaining unclaimed for two years
after such principal and any premium or interest has become due and payable
shall be paid to the Company on Company Request, or (if then held by the
Company) shall be discharged from such trust; and the Holder of such Security
or any coupon appertaining thereto shall thereafter, as an unsecured general
creditor, look only to the Company for payment thereof, and all liability of
the Trustee or such Paying Agent with respect to such trust money, and all
liability of the Company as trustee thereof, shall thereupon cease; provided,
however, that the Trustee or such Paying Agent, before being required to make
any such repayment, may at the expense of the Company cause to be transmitted
in the manner and to the extent provided by Section 106, notice that such
money remains unclaimed and that, after a date specified therein, which shall
not be less than 30 days from the date of such notification, any unclaimed
balance of such money then remaining will be repaid to the Company.
 
Section 1004. Additional Amounts.
 
  If the Securities of a series provide for the payment of additional amounts,
the Company will pay to the Holder of any Security of such series or any
coupon appertaining thereto additional amounts as provided therein. Whenever
in this Indenture there is mentioned, in any context, the payment of the
principal of or any premium or interest on, or in respect of, any Security of
any series or payment of any related coupon or the net proceeds received on
the sale or exchange of any Security of any series, such mention shall be
deemed to include mention of the payment of additional amounts provided for in
this Section to the extent that, in such context, additional amounts are, were
or would be payable in respect thereof pursuant to the provisions of this
Section and express mention of the payment of additional amounts (if
applicable) in any provisions hereof shall not be construed as excluding
additional amounts in those provisions hereof where such express mention is
not made.
 
  If the Securities of a series provide for the payment of additional amounts,
at least 10 days prior to the first Interest Payment Date with respect to that
series of Securities (or if the Securities of that series will not bear
interest prior to Maturity, the first day on which a payment of principal and
any premium is made), and at least 10 days prior to each date of payment of
principal and any premium or interest if there has been any change with
respect to the matters set forth in the below-mentioned Officers' Certificate,
the Company will furnish the Trustee and the Company's principal Paying Agent
or Paying Agents, if other than the Trustee, with an Officers' Certificate
instructing the Trustee and such Paying Agent or Paying Agents whether such
payment of principal of and any premium or interest on the Securities of that
series shall be made to Holders of Securities of that series or any related
coupons who are United States Aliens without withholding for or on account of
any tax, assessment or other governmental charge described in the Securities
of that series. If any such withholding shall be required, then such Officers'
Certificate shall specify by country the amount, if any, required to be
withheld on such payments to such Holders of Securities or coupons and the
Company will pay to the Trustee or such Paying Agent the additional amounts
required by this Section. The Company covenants to indemnify the Trustee and
any Paying Agent for, and to hold them harmless against, any loss, liability
or expense reasonably incurred without negligence or bad faith on their part
arising out of or in connection with actions taken or omitted by any of them
in reliance on any Officers' Certificate furnished pursuant to this Section.
 
Section 1005. Purchase of Securities by Company or Subsidiary.
 
  If and so long as the Securities of a series are listed on The International
Stock Exchange, London and such stock exchange shall so require, the Company
will not, and will not permit any of its Subsidiaries to, purchase any
Securities of that series by private treaty at a price (exclusive of expenses
and accrued interest) which exceeds 120% of the mean of the nominal quotations
of the Securities of that series as shown in The Stock Exchange Daily Official
List for the last trading day preceding the date of purchase.
 
                                      53
<PAGE>
 
Section 1006. Lien on Assets.
 
  If at any time the Company mortgages, pledges or otherwise subjects to any
lien the whole or any part of any property or assets now owned or hereafter
acquired by it, except as hereinafter provided in this Section 1006, the
Company will secure the outstanding Securities, and any other obligations of
the Company which may then be outstanding and entitled to the benefit of a
covenant similar in effect to this covenant, equally and ratably with the
indebtedness or obligations secured by such mortgage, pledge, or lien, for as
long as any such indebtedness or obligation is so secured. The foregoing
covenant does not apply to the creation, extension, renewal or refunding of
landlords' liens, liens with respect to the sale or financing of accounts or
chattel paper, purchase-money mortgages or liens, liens arising under the
Internal Revenue Code of 1986, as amended, or liens with respect to taxes,
assessments or other governmental charges or levies which may be owed by the
Company from time to time and which, if delinquent, are being contested in
good faith, or other liens to which any property or asset acquired by the
Company is subject as of the date of its acquisition by the Company, or to the
making of any deposit or pledge to secure public or statutory obligations or
with any governmental agency at any time required by law in order to qualify
the Company to conduct its business or any part thereof or in order to entitle
it to maintain self-insurance or to obtain the benefits of any law relating to
workmen's compensation, unemployment insurance, old age pensions or other
social security, or with any court, board, commission, or governmental agency
as security incident to the proper conduct of any proceeding before it.
Nothing contained in this Indenture prevents any entity other than the Company
from mortgaging, pledging, or subjecting to any lien any property or assets,
whether or not acquired by such Person from the Company.
 
Section 1007. Waiver of Certain Covenants.
 
  The Company may omit in any particular instance to comply with any term,
provision or condition set forth in Sections 1004 to 1006, inclusive, with
respect to the Securities of any series if before the time for such compliance
the Holders of at least a majority in principal amount of the Outstanding
Securities of such series shall, by Act of such Holders, either waive such
compliance in such instance or generally waive compliance with such term,
provision or condition, but no such waiver shall extend to or affect such
term, provision or condition except to the extent so expressly waived, and,
until such waiver shall become effective, the obligations of the Company and
the duties of the Trustee in respect of any such term, provision or condition
shall remain in full force and effect.
 
Section 1008. Defeasance of Certain Obligations.
 
  If this Section is specified, as contemplated by Section 301, to be
applicable to Securities of any series, the Company may omit to comply with
any term, provision or condition set forth in Sections 801, 1005 and 1006, and
any such omission with respect to Sections 801, 1005 and 1006, shall not be an
Event of Default, in each case with respect to the Securities of that series,
provided that the following conditions have been satisfied:
 
    (a) with reference to this Section, the Company has deposited or caused
  to be deposited with the Trustee (or another trustee satisfying the
  requirements of Section 609) irrevocably (but subject to the provisions of
  Section 402 and the last paragraph of Section 1003), as trust funds in
  trust, specifically pledged as security for, and dedicated solely to, the
  benefit of the Holders of the Securities of that series, (i) lawful money
  of the United States in an amount, or (ii) U.S. Government Obligations
  which through the payment of interest and principal in respect thereof in
  accordance with their terms will provide not later than the opening of
  business on the due dates of any payment referred to in clause (A) or (B)
  of this subparagraph (a) lawful money of the United States in an amount, 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 and discharge (A)
  the principal of (and premium, if any) and each installment of principal
  (and premium, if any) and interest on the Outstanding Securities of that
  series on the Stated Maturity Date of such principal or installment of
  principal or interest and (B) any mandatory sinking fund payments or
  analogous payments applicable to Securities of such series on the day on
  which such payments are due and payable in accordance with the terms of
  this Indenture and of such Securities;
 
 
                                      54
<PAGE>
 
    (b) such deposit shall not cause the Trustee with respect to the
  Securities of that series to have a conflicting interest as defined in
  Section 608 and for purposes of the Trust Indenture Act with respect to the
  Securities of any series;
 
    (c) such deposit will not result in a breach or violation of, or
  constitute a default under, this Indenture or any other agreement or
  instrument to which the Company or the Guarantor is a party or by which it
  is bound;
 
    (d) no Event of Default or event which with the giving of notice or lapse
  of time, or both, would become an Event of Default with respect to the
  Securities of that series shall have occurred and be continuing on the date
  of such deposit and no Event of Default under Section 501(e) or Section
  501(f) or event which with the giving of notice or lapse of time, or both,
  would become an Event of Default under Section 501(e) or Section 501(f)
  shall have occurred and be continuing on the 91st day after such date;
 
    (e) the Company has delivered to the Trustee an Opinion of Counsel or a
  ruling from or published by the United States Internal Revenue Service, to
  the effect that Holders of the Securities of such series will not recognize
  income, gain or loss for federal income tax purposes as a result of such
  deposit and defeasance of certain obligations and will be subject to
  federal income tax on the same amount and in the same manner and at the
  same times as would have been the case if such deposit and defeasance had
  not occurred;
 
    (f) if the Securities of that series are then listed on any foreign or
  domestic securities exchange, the Company has delivered to the Trustee an
  Opinion of Counsel to the effect that such deposit and defeasance will not
  cause such Securities to be delisted; and
 
    (g) the Company has delivered to the Trustee an Officers' Certificate and
  an Opinion of Counsel, each stating that all conditions precedent herein
  provided for relating to the defeasance contemplated in this Section have
  been complied with and an Opinion of Counsel to the effect that either (i)
  as a result of such deposit and the related exercise of the Company's
  option under this Section, registration is not required under the
  Investment Company Act of 1940, as amended, by the Company, the trust funds
  representing such deposit or the Trustee or (ii) all necessary
  registrations under said Act have been effected.
 
                                ARTICLE ELEVEN
 
                           Redemption of Securities
 
Section 1101. Applicability of Article.
 
  Securities of any series which are redeemable before their Stated Maturity
Date shall be redeemable in accordance with their terms and (except as
otherwise specified as contemplated by Section 301 for Securities of any
series) in accordance with this Article.
 
Section 1102. Election to Redeem; Notice to Trustee.
 
  The election of the Company to redeem any Securities shall be evidenced by a
Resolution of the Company. In the case of any redemption at the election of
the Company of less than all the Securities of any series, the Company shall,
at least 45 days prior to the Redemption Date fixed by the Company (unless a
shorter notice shall be satisfactory to the Trustee), notify the Trustee of
such Redemption Date and of the principal amount of Securities of such series
to be redeemed. In the case of any redemption of Securities (a) prior to the
expiration of any restriction on such redemption provided in the terms of such
Securities or elsewhere in this Indenture, or (b) pursuant to an election of
the Company which is subject to a condition specified in the terms of such
Securities, the Company shall furnish the Trustee with an Officers'
Certificate evidencing compliance with such restriction or condition.
 
 
                                      55
<PAGE>
 
Section 1103. Selection by Trustee of Securities to Be Redeemed.
 
  If less than all the Securities of any series are to be redeemed, the
particular Securities to be redeemed shall be selected not more than 45 days
prior to the Redemption Date by the Trustee, from the Outstanding Securities
of such series not previously called for redemption, by such method as the
Trustee shall deem fair and appropriate and which may provide for the
selection for redemption of portions (equal to the minimum authorized
denomination for Securities of that series or any integral multiple thereof)
of the principal amount of Registered Securities of such series of a
denomination larger than the minimum authorized denomination for Securities of
that series. If so specified in the Securities of a series, partial
redemptions must be in an amount not less than $1,000,000 principal amount of
Securities.
 
  The Trustee shall promptly notify the Company in writing of the Securities
selected for redemption and, in the case of any Securities selected for
partial redemption, the principal amount thereof to be redeemed.
 
  For all purposes of this Indenture, unless the context otherwise requires,
all provisions relating to the redemption of Securities shall relate, in the
case of any Securities redeemed or to be redeemed only in part, to the portion
of the principal amount of such Securities which has been or is to be
redeemed.
 
Section 1104. Notice of Redemption.
 
  Notice of redemption shall be given in the manner provided in Section 106 to
the Holders of Securities to be redeemed not less than 30 nor more than 60
days prior to the Redemption Date.
 
    All notices of redemption shall state:
 
    (a) the Redemption Date,
 
    (b) the Redemption Price,
 
    (c) if less than all the Outstanding Securities of any series are to be
  redeemed, the identification (and, in the case of partial redemption, the
  principal amounts) of the particular Securities to be redeemed,
 
    (d) that on the Redemption Date the Redemption Price will become due and
  payable upon each such Security to be redeemed and, if applicable, that
  interest thereon will cease to accrue on and after said date,
 
    (e) the place or places where such Securities, together in the case of
  Bearer Securities with all coupons appertaining thereto, if any, maturing
  after the Redemption Date, are to be surrendered for payment of the
  Redemption Price, and
 
    (f) that the redemption is for a sinking fund, if such is the case. A
  notice of redemption published as contemplated by Section 106 need not
  identify particular Registered Securities to be redeemed.
 
  Notice of redemption of Securities to be redeemed at the election of the
Company shall be given by the Company or, at the Company's request, by the
Trustee in the name and at the expense of the Company.
 
Section 1105. Deposit of Redemption Price.
 
  Prior to any Redemption Date, the Company shall deposit with the Trustee or
with a Paying Agent (or, if the Company is acting as its own Paying Agent,
segregate and hold in trust as provided in Section 1003) an amount of money
sufficient to pay the Redemption Price of, and (except if the Redemption Date
shall be an Interest Payment Date) accrued interest on, all the Securities
which are to be redeemed on that date.
 
Section 1106. Securities Payable on Redemption Date.
 
  Notice of redemption having been given as aforesaid, the Securities so to be
redeemed shall, on the Redemption Date, become due and payable at the
Redemption Price therein specified, and from and after such
 
                                      56
<PAGE>
 
date (unless the Company shall default in the payment of the Redemption Price
and accrued interest) such Securities shall cease to bear interest and the
coupons for such interest appertaining to any Bearer Securities so to be
redeemed, except to the extent provided below, shall be void. Upon surrender
of any such Security for redemption in accordance with said notice, together
with all coupons, if any, appertaining thereto maturing after the Redemption
Date, such Security shall be paid by the Company at the Redemption Price,
together with accrued interest to the Redemption Date; provided, however, that
installments of interest on Bearer Securities whose Stated Maturity Date is on
or prior to the Redemption Date shall be payable only at an office or agency
located outside the United States (except as otherwise provided in Section
1002) and, unless otherwise specified as contemplated by Section 301, only
upon presentation and surrender of coupons for such interest; and provided,
further, that, unless otherwise specified as contemplated by Section 301,
installments of interest on Registered Securities whose Stated Maturity Date
is on or prior to the Redemption Date shall be payable to the Holders of such
Securities, or one or more Predecessor Securities, registered as such at the
close of business on the relevant Record Dates according to their terms and
the provisions of Sections 305 and 307.
 
  If any Bearer Security surrendered for redemption shall not be accompanied
by all appurtenant coupons maturing after the Redemption Date, such Security
may be paid after deducting from the Redemption Price an amount equal to the
face amount of all such missing coupons, or the surrender of such missing
coupon or coupons may be waived by the Company, the Guarantor and the Trustee
if there be furnished to them such security or indemnity as they may require
to save each of them and any Paying Agent harmless. If thereafter the Holder
of such Security shall surrender to the Trustee or any Paying Agent any such
missing coupon in respect of which a deduction shall have been made from the
Redemption Price, such Holder shall be entitled to receive the amount so
deducted; provided, however, that interest represented by coupons shall be
payable only at an office or agency located outside the United States (except
as otherwise provided in Section 1002) and, unless otherwise specified as
contemplated by Section 301, only upon presentation and surrender of those
coupons.
 
  If any Security called for redemption shall not be so paid upon surrender
thereof for redemption, the principal and any premium shall, until paid, bear
interest from the Redemption Date at the rate prescribed therefor in the
Security.
 
Section 1107. Securities Redeemed in Part.
 
  Any Registered Security which is to be redeemed only in part shall be
surrendered at a Place of Payment therefor (with, if the Company or the
Trustee so requires, due endorsement by, or a written instrument of transfer
in form satisfactory to the Company and the Trustee duly executed by, the
Holder thereof or his attorney duly authorized in writing), and the Company
shall execute, and the Trustee shall authenticate and deliver (with a duly
executed Guarantee endorsed thereon) to the Holder of such Security without
service charge, a new Registered Security or Securities of the same series and
of like tenor, of any authorized denomination as requested by such Holder, in
aggregate principal amount equal to and in exchange for the unredeemed portion
of the principal of the Security so surrendered. If a Security in permanent
global form is so surrendered, the Company shall execute, and the Trustee
shall authenticate and deliver (with a duly executed Guarantee endorsed
thereon) to the U.S. Depositary or Common Depositary for such Security in
permanent global form, without service charge, a new Security in permanent
global form in a denomination equal to and in exchange for the unredeemed
portion of the principal of the Security in permanent global form so
surrendered.
 
                                ARTICLE TWELVE
 
                                 Sinking Funds
 
Section 1201. Applicability of Article.
 
  The provisions of this Article shall be applicable to any sinking fund for
the retirement of Securities of a series except as otherwise specified as
contemplated by Section 301 for Securities of such series.
 
                                      57
<PAGE>
 
  The minimum amount of any sinking fund payment provided for by the terms of
Securities of any series is herein referred to as a "mandatory sinking fund
payment", and any payment in excess of such minimum amount provided for by the
terms of Securities of any series is herein referred to as an "optional
sinking fund payment". If provided for by the terms of Securities of any
series, the cash amount of any sinking fund payment may be subject to
reduction as provided in Section 1202. Each sinking fund payment shall be
applied to the redemption of Securities of any series as provided for by the
terms of Securities of such series.
 
Section 1202. Satisfaction of Sinking Fund Payments with Securities.
 
  The Company (a) may deliver Outstanding Securities of a series (other than
any previously called for redemption), together in the case of any Bearer
Securities of such series with all unmatured coupons appertaining thereto, and
(b) may apply as a credit Securities of a series which have been redeemed
either at the election of the Company pursuant to the terms of such Securities
or through the application of permitted optional sinking fund payments
pursuant to the terms of such Securities, in each case in satisfaction of all
or any part of any sinking fund payment with respect to the Securities of such
series required to be made pursuant to the terms of such Securities as
provided for by the terms of such series; provided, that such Securities have
not been previously so credited. Such Securities shall be received and
credited for such purpose by the Trustee at the Redemption Price specified in
such Securities for redemption through operation of the sinking fund and the
amount of such sinking fund payment shall be reduced accordingly.
 
Section 1203. Redemption of Securities for Sinking Fund.
 
  Not less than 60 days prior to each sinking fund payment date for any series
of Securities, the Company will deliver to the Trustee an Officers'
Certificate specifying the amount of the next ensuing sinking fund payment for
that series pursuant to the terms of that series, the portion thereof, if any,
which is to be satisfied by payment of cash and the portion thereof, if any,
which is to be satisfied by delivering and crediting Securities of that series
pursuant to Section 1202 and will also deliver to the Trustee any Securities
to be so delivered. Not less than 30 days before each such sinking fund
payment date the Trustee shall select the Securities to be redeemed upon such
sinking fund payment date in the manner specified in Section 1103 and cause
notice of the redemption thereof to be given in the name of and at the expense
of the Company in the manner provided in Section 1104. Such notice having been
duly given, the redemption of such Securities shall be made upon the terms and
in the manner stated in Sections 1106 and 1107.
 
                               ARTICLE THIRTEEN
 
                       Meetings of Holders of Securities
 
Section 1301. Purposes for Which Meetings May Be Called.
 
  If Securities of a series are issuable as Bearer Securities, a meeting of
Holders of Securities of such series may be called at any time and from time
to time pursuant to this Article to make, give or take any request, demand,
authorization, direction, notice, consent, waiver or other action provided by
this Indenture to be made, given or taken by Holders of Securities of such
series.
 
Section 1302. Call, Notice and Place of Meetings.
 
  (a) The Trustee may at any time call a meeting of Holders of Securities of
any series for any purpose specified in Section 1301, to be held at such time
and at such place in the Borough of Manhattan, The City of New York, Chicago,
Illinois, or London as the Trustee shall determine. Notice of every meeting of
Holders of Securities of any series, setting forth the time and the place of
such meeting and in general terms the action proposed to be taken at such
meeting, shall be given, in the manner provided in Section 106, not less than
21 nor more than 180 days prior to the date fixed for the meeting.
 
                                      58
<PAGE>
 
  (b) In case at any time the Company or the Guarantor, pursuant to a
Resolution or the Holders of at least 10% in principal amount of the
Outstanding Securities of any series shall have requested the Trustee to call
a meeting of the Holders of Securities of such series for any purpose
specified in Section 1301, by written request setting forth in reasonable
detail the action proposed to be taken at the meeting, and the Trustee shall
not have made the first publication of the notice of such meeting within 21
days after receipt of such request or shall not thereafter proceed to cause
the meeting to be held as provided herein, the Company, the Guarantor or the
Holders of Securities of such series in the amount above specified, as the
case may be, may determine the time and the place in the Borough of Manhattan,
The City of New York, Chicago, Illinois, or London for such meeting and may
call such meeting for such purposes by giving notice thereof as provided in
subsection (a) of this Section.
 
Section 1303. Persons Entitled to Vote at Meetings.
 
  To be entitled to vote at any meeting of Holders of Securities of any
series, a Person shall be (a) a Holder of one or more Outstanding Securities
of such series, or (b) a Person appointed by an instrument in writing as proxy
for a Holder or Holders of one or more Outstanding Securities of such series
by such Holder or Holders. The only Persons who shall be entitled to be
present or to speak at any meeting of Holders of Securities of any series
shall be the Persons entitled to vote at such meeting and their counsel, any
representatives of the Trustee and its counsel and any representatives of the
Company or the Guarantor and its counsel.
 
Section 1304. Quorum; Action.
 
  The Persons entitled to vote a majority in principal amount of the
Outstanding Securities of a series shall constitute a quorum for a meeting of
Holders of Securities of such series; provided, however, that if any action is
to be taken at such meeting with respect to a consent or waiver which this
Indenture expressly provides must be given by the Holders of a greater
percentage in principal amount of the Outstanding Securities of a series, the
Persons entitled to vote such percentage in principal amount of the
Outstanding Securities of such series shall constitute a quorum. In the
absence of a quorum within 30 minutes of the time appointed for any such
meeting, the meeting shall, if convened at the request of Holders of
Securities of such series, be dissolved. In any other case the meeting may be
adjourned for a period of not less than 10 days as determined by the chairman
of the meeting prior to the adjournment of such meeting. In the absence of a
quorum at any such adjourned meeting, such adjourned meeting may be further
adjourned for a period of not less than 10 days as determined by the chairman
of the meeting prior to the adjournment of such adjourned meeting. Notice of
the reconvening of any adjourned meeting shall be given as provided in Section
1302(a), except that such notice need be given only once not less than five
days prior to the date on which the meeting is scheduled to be reconvened.
Notice of the reconvening of an adjourned meeting shall state expressly the
percentage, as provided above, of the principal amount of the Outstanding
Securities of such series which shall constitute a quorum.
 
  Except as limited by the proviso to Section 902, any resolution presented to
a meeting or adjourned meeting duly reconvened at which a quorum is present as
aforesaid may be adopted by the affirmative vote of the Holders of a majority
in principal amount of the Outstanding Securities of that series; provided,
however, that, except as limited by the proviso to Section 902, any resolution
with respect to any consent or waiver which this Indenture expressly provides
must be given by the Holders of a greater percentage in principal amount of
the Outstanding Securities of a series may be adopted at a meeting or an
adjourned meeting duly convened and at which a quorum is present as aforesaid
only by the affirmative vote of the Holders of such percentage in principal
amount of the Outstanding Securities of that series; and provided, further,
that, except as limited by the proviso to Section 902, any resolution with
respect to any request, demand, authorization, direction, notice, consent,
waiver or other action which this Indenture expressly provides may be made,
given or taken by the Holders of a specified percentage, which is less than a
majority, in principal amount of the Outstanding Securities of a series may be
adopted at a meeting or an adjourned meeting duly reconvened and at which a
quorum is present as aforesaid by the affirmative vote of the Holders of such
specified percentage in principal amount of the Outstanding Securities of that
series.
 
                                      59
<PAGE>
 
  Any resolution passed or decision taken at any meeting of Holders of
Securities of any series duly held in accordance with this Section shall be
binding on all the Holders of Securities of such series and the related
coupons, whether or not present or represented at the meeting.
 
Section 1305. Determination of Voting Rights; Conduct and Adjournment of
Meetings.
 
  (a) Notwithstanding any other provisions of this Indenture, the Trustee may
make such reasonable regulations as it may deem advisable for any meeting of
Holders of Securities of a series in regard to proof of the holding of
Securities of such series and of the appointment of proxies and in regard to
the appointment and duties of inspectors of votes, the submission and
examination of proxies, certificates and other evidence of the right to vote
and such other matters concerning the conduct of the meeting as it shall deem
appropriate. Except as otherwise permitted or required by any such
regulations, the holding of Securities shall be proved in the manner specified
in Section 104 and the appointment of any proxy shall be proved in the manner
specified in Section 104 or by having the signature of the person executing
the proxy witnessed or guaranteed by any trust company, bank or banker
authorized by Section 104 to certify to the holding of Bearer Securities. Such
regulations may provide that written instruments appointing proxies, regular
on their face, may be presumed valid and genuine without the proof specified
in Section 104 or other proof.
 
  (b) The Trustee shall, by an instrument in writing, appoint a temporary
chairman of the meeting, unless the meeting shall have been called by the
Company or the Guarantor or by Holders of Securities as provided in Section
1302(b), in which case the Company or the Guarantor or the Holders of
Securities of the series calling the meeting, as the case may be, shall in
like manner appoint a temporary chairman. A permanent chairman and a permanent
secretary of the meeting shall be elected by vote of the Persons entitled to
vote a majority in principal amount of the Outstanding Securities of such
series represented at the meeting.
 
  (c) At any meeting each Holder of a Security of such series or proxy shall
be entitled to one vote for each $1,000 principal amount of Outstanding
Securities of such series held or represented by him; provided, however, that
no vote shall be cast or counted at any meeting in respect of any Security
challenged as not Outstanding and ruled by the chairman of the meeting to be
not Outstanding. The chairman of the meeting shall have no right to vote,
except as a Holder of a Security of such series or proxy.
 
  (d) Any meeting of Holders of Securities of any series duly called pursuant
to Section 1302 at which a quorum is present may be adjourned from time to
time by Persons entitled to vote a majority in principal amount of the
Outstanding Securities of such series represented at the meeting; and the
meeting may be held as so adjourned without further notice.
 
Section 1306. Counting Votes and Recording Action of Meetings.
 
  The vote upon any resolution submitted to any meeting of Holders of
Securities of any series shall be by written ballots on which shall be
subscribed the signatures of the Holders of Securities of such series or of
their representatives by proxy and the principal amounts and serial numbers of
the Outstanding Securities of such series held or represented by them. The
permanent chairman of the meeting shall appoint two inspectors of votes who
shall count all votes cast at the meeting for or against any resolution and
who shall make and file with the secretary of the meeting their verified
written reports in duplicate of all votes cast at the meeting. A record, at
least in duplicate, of the proceedings of each meeting of Holders of
Securities of any series shall be prepared by the secretary of the meeting and
there shall be attached to said record the original reports of the inspectors
of votes on any vote by ballot taken thereat and affidavits by one or more
persons having knowledge of the facts setting forth a copy of the notice of
the meeting and showing that said notice was given as provided in Section 1302
and, if applicable, Section 1304. Each copy shall be signed and verified by
the affidavits of the permanent chairman and secretary of the meeting and one
such copy shall be delivered to the Company, and another to the Trustee to be
preserved by the Trustee, the latter to have attached thereto the ballots
voted at the meeting. Any record so signed and verified shall be conclusive
evidence of the matters therein stated.
 
                                      60
<PAGE>
 
  In Witness Whereof, the parties hereto have caused this Indenture to be duly
executed, and their respective corporate seals to be hereunto affixed and
attested, all as of the day and year first above written.
 
(Seal)                                 Ameritech Capital Funding
                                         Corporation
 
      
Attest:  /s/ Marilyn S. Spracker       By:    /s/ F. Arthur Naranjo
         --------------------------        ---------------------------------

                                       Title:    Vice President & Chief 
                                                    Financial Officer
                                              ------------------------------
 
(Seal)                                 Ameritech Corporation
 
      
Attest:  /s/ Marilyn S. Spracker       By:      /s/ David A. Dohnalek
         --------------------------        ---------------------------------
                                              
                                       Title:      Assistant Treasurer
                                              ------------------------------
 
(Seal)                                 Harris Trust and Savings Bank
 
         
Attest:  /s/ D. G. Donovan             By:         /s/ J. Bartolini
         --------------------------        ---------------------------------
                                              
                                       Title:        Vice President
                                              ------------------------------   

State of Illinois
                ss:
County of Cook
 
 
  On the 8th day of October, 1997, before me personally came F. Arthur Naranjo
to me known, who, being by me duly sworn, did depose and say that he is Vice
President and Chief Financial Officer of Ameritech Capital Funding
Corporation, one of the corporations described in and which executed the
foregoing instrument; that he knows the seal of said corporation; that the
seal affixed to said instrument is such corporate seal; that it was so affixed
by authority of the sole shareholder of said corporation, and that he signed
his name thereto by like authority.
 
(Seal)
                                                /s/ Carol L. Glover
                                       --------------------------------------
                                                     Notary Public
 
   
State of Illinois
                ss:
County of Cook
 
 
  On the 8th day of October, 1997, before me personally came David A. Dohnalek
to me known, who, being by me duly sworn, did depose and say that he is
Assistant Treasurer of Ameritech Corporation, one of the corporations
described in and which executed the foregoing instrument; that he knows the
seal of said corporation; that the seal affixed to said instrument is such
corporate seal; that it was so affixed by authority of the Board of Directors
of said corporation, and that he signed his name thereto by like authority.
 
(Seal)
                                                /s/ Carol L. Glover
                                       --------------------------------------
                                                     Notary Public
 
                                      61
<PAGE>
 
 

State of Illinois
                ss:
County of Cook
 
 
  On the 8th day of October, 1997, before me personally came J. Bartolini to
me known, who, being by me duly sworn, did depose and say that she is Vice
President of Harris Trust and Savings Bank, an Illinois banking corporation
described in and which executed the foregoing instrument; that he knows the
seal of said corporation; that the seal affixed to said instrument is such
corporation's seal; that it was so affixed by authority of the Board of
Directors of said corporation, and that he signed his name thereto by like
authority.
 
 
(Seal)
                                          
                                               /s/ Marianne Tinerella
                                          -------------------------------------
                                                      Notary Public
 
                                      62
<PAGE>
 
                                                                      EXHIBIT A
 
                   [FORM OF REGISTERED SECURITY WHICH IS NOT
                     AN ORIGINAL ISSUE DISCOUNT SECURITY]
 
                                [FORM OF FACE]
 
                     AMERITECH CAPITAL FUNDING CORPORATION
 
No. [R-]                                                    [U.S.] $
 
  [If the registered owner of this Security (as indicated below) is The
Depository Trust Company (the "Depository") or a nominee of the Depository,
insert--Unless this certificate is presented by an authorized representative
of The Depository Trust Company (55 Water Street, New York, New York) to the
issuer or its agent for registration of transfer, exchange or payment, and any
certificate issued is registered in the name of Cede & Co., or such other name
as requested by an authorized representative of The Depository Trust Company
and any payment is made to Cede & Co., ANY TRANSFER, PLEDGE OR OTHER USE
HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL since the
registered owner hereof, Cede & Co., has an interest herein.]
 
ISSUE PRICE:
 
                                          INTEREST PAYMENT DATES:
ORIGINAL ISSUE DATE:
 
 
                                          INITIAL REDEMPTION DATE:
STATED MATURITY:
 
 
                                          YIELD TO MATURITY:
BASE RATE:
 
 
                                          OPTION TO ELECT REPAYMENT:  YES  NO
INITIAL INTEREST RATE:
 
 
                                          OPTIONAL REPAYMENT DATES:
INDEX MATURITY:
 
 
                                          OPTIONAL REPAYMENT PRICES:
SPREAD (PLUS OR MINUS):
 
 
                                          OPTIONAL RESET DATES:
SPREAD MULTIPLIER:
 
 
                                          OPTIONAL EXTENSION:  YES  NO
MAXIMUM INTEREST RATE:
 
 
                                          FINAL MATURITY:
MINIMUM INTEREST RATE:
 
 
                                          DEPOSITORY:
INTEREST RESET PERIOD:
 
 
                                          REPAYMENT PROVISIONS (If
INTEREST RESET DATES:                     applicable):
 
 
                                          OTHER PROVISIONS:
 
  Ameritech Capital Funding Corporation, a corporation duly organized and
existing under the laws of Delaware (herein called the "Company", which term
includes any successor Person under the Indenture referred to on the reverse
hereof), for value received, hereby promises to pay to         , or registered
assigns, the principal sum of        [United States] Dollars on and to pay
interest thereon from        , 19  , or from the most recent Interest Payment
Date to which interest has been paid or duly provided for in arrears [If
applicable, insert--; provided, however, that if this Security has a weekly
Interest Rate Reset Period, as shown above, such interest will be paid from
the Original Issue Date shown above or from the day following the most recent
Regular Record Date to which interest has been paid or duly provided for in
arrears]. Interest will be paid [semi-annually in arrears on       and
in each year] [annually in arrears on        in each year] ([each] an
"Interest Payment Date") commencing       19  , at the rate of    % per annum
[or describe formula to calculate rate, e.g., commercial paper rate], until
the principal hereof is paid or made available for payment. [If applicable,
insert--, and (to the extent that the payment of such interest shall be
legally enforceable) at the rate of    % per annum on any overdue principal
[and premium] and on any overdue installment of interest]. The interest so
payable, and punctually
 
                                      A-1
<PAGE>
 
paid or duly provided for, on any Interest Payment Date will, as provided in
such Indenture, be paid to the Person in whose name this Security (or one or
more Predecessor Securities) is registered at the close of business on the
Regular Record Date for such interest, which shall be the      [or       ]
(whether or not a Business Day) [,as the case may be,] next preceding such
Interest Payment Date; provided, however, that interest payable at Maturity
will be payable to the Person to whom principal shall be payable. The first
payment of interest on any Security originally issued between a Regular Record
Date and an Interest Payment Date will be made on the Interest Payment Date
following the next succeeding Regular Record Date to the registered owner on
such Regular Record Date. Except as otherwise provided in the Indenture, any
such interest not so punctually paid or duly provided for will forthwith cease
to be payable to the Holder on such Regular Record Date and may either be paid
to the Person in whose name this Security (or one or more Predecessor
Securities) is registered at the close of business on a Special Record Date
for the payment of such Defaulted Interest to be fixed by the Trustee, notice
whereof shall be given to Holders of Securities of this series not less than
10 days prior to such Special Record Date, or be paid at any time in any other
lawful manner not inconsistent with the requirements of any securities
exchange on which the Securities of this series may be listed, and upon such
notice as may be required by such exchange, all as more fully provided in said
Indenture. Payment of the principal of [(and premium, if any)] and interest on
this Security will be made at [the office or agency of the Company maintained
for that purpose in         , in such coin or currency of the United States of
America as at the time of payment is legal tender for payment of public and
private debts] [the option of the Holder (a) at [the Corporate Trust Office of
the Trustee] or such other office or agency of the Company as may be
designated by it for such purpose in the United States of America, in such
coin or currency of the United States of America as at the time of payment
shall be legal tender for the payment of public and private debts or (b)
subject to any laws or regulations applicable thereto and to the right of the
Company (limited as provided in the Indenture) to rescind the designation of
any such Paying Agent, at the [main] offices of            in          ,
          in         ,          in          and        in         , or at such
other offices or agencies as the Company may designate, by United States
dollar check drawn on, or transfer to a United States dollar account
maintained by the payee with, a bank in the United States of America.] [If
applicable, insert--; provided, however, that at the option of the Company
payment of interest may be made by United States dollar check mailed to the
address of the Person entitled thereto as such address shall appear in the
Security Register] [or by wire transfer to an account maintained by such
Person with a bank in the continental United States (so long as the Company
has received proper transfer instructions in writing)].
 
  [If the registered owner of this Security is the Depository or a nominee of
the Depository, insert--THIS GLOBAL NOTE MAY NOT BE TRANSFERRED EXCEPT AS A
WHOLE BY THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR
ANOTHER NOMINEE OF THE DEPOSITORY OR BY THE DEPOSITORY OR ANY SUCH NOMINEE TO
A SUCCESSOR OF THE DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR.]
 
  Reference is hereby made to the further provisions of this Security set
forth on the reverse hereof, which further provisions shall for all purposes
have the same effect as if set forth at this place.
 
  Unless the certificate of authentication hereon has been executed by the
Trustee referred to on the reverse hereof, directly or through an
Authenticating Agent, by manual signature of an authorized signatory, this
Security shall not be entitled to any benefit under the Indenture or be valid
or obligatory for any purpose.
 
                                      A-2
<PAGE>
 
  In Witness Whereof, the Company has caused this instrument to be duly
executed under its corporate seal.
 
Dated:
                                          Ameritech Capital Funding
                                           Corporation
 
 
                                          By___________________________________
                                                    Authorized Officer
[Seal]
 
Attest:
- -------------------------------
 
                    TRUSTEE'S CERTIFICATE OF AUTHENTICATION
 
  This is one of the Securities of the series designated herein and referred
to in the within-mentioned Indenture.
 
                                          Harris Trust and Savings Bank,
                                          as Trustee
 
                                          [By_________________________________]
                                                  As Authenticating Agent
 
 
                                          By___________________________________
                                                    Authorized Officer
 
                                      A-3
<PAGE>
 
                               [FORM OF REVERSE]
 
  This Security is one of a duly authorized issue of securities of the Company
(herein called the "Securities"), issued and to be issued in one or more
series under an Indenture, dated as of          , 1995, (herein called the
"Indenture"), among the Company, the Guarantor and Harris Trust and Savings
Bank, as Trustee (herein called the "Trustee", which term includes any
successor trustee under the Indenture), to which Indenture and all indentures
supplemental thereto reference is hereby made for a statement of the
respective rights, limitations of rights, duties and immunities thereunder of
the Company, the Guarantor, the Trustee and the Holders of the Securities and
of the terms upon which the Securities are, and are to be, authenticated and
delivered. This Security is one of the series designated on the face hereof [,
limited in aggregate principal amount to [U.S.] $       ].
 
  [If applicable, insert--Calculation of the Spread and Spread Multiplier
shall be done in accordance with the Indenture, as it may be amended or
supplemented to the date hereof.]
 
  [If applicable, insert--The Securities of this series are subject to
redemption [(1)] [If applicable, insert--on        in any year commencing with
the year      and ending with the year      through operation of the sinking
fund for this series at a Redemption Price equal to 100% of the principal
amount, [and](2)] [If applicable, insert--at any time [on or after 19   ], as
a whole or in part, at the election of the Company, at the following
Redemption Prices (expressed as percentages of the principal amount); If
redeemed [on or before      ,    %, and if redeemed] during the 12-month
period beginning       of the years indicated,
 
<TABLE>
<CAPTION>
      REDEMPTION
YEAR    PRICE
- ----  ----------
<S>   <C>
</TABLE>
<TABLE>
<CAPTION>
      REDEMPTION
YEAR    PRICE
- ----  ----------
<S>   <C>
</TABLE>
 
and thereafter at a Redemption Price equal to % of the principal amount,] [If
applicable, insert--[and ()] under the circumstances described in the next
[two] succeeding paragraph[s] at a Redemption Price equal to 100% of the
principal amount,] together in the case of any such redemption [If applicable,
insert--(whether through operation of the sinking fund or otherwise)] with
accrued interest to the Redemption Date; provided, however, that installments
of interest on this Security whose Stated Maturity Date is on or prior to such
Redemption Date will be payable to the Holder of this Security, or one or more
Predecessor Securities, of record at the close of business on the relevant
Record Dates referred to on the face hereof, all as provided in the
Indenture.]
 
  [If applicable, insert--The Securities of this series are subject to
redemption (1) on        in any year commencing with the year      and ending
with the year      through operation of the sinking fund for this series at
the Redemption Prices for redemption through operation of the sinking fund
(expressed as percentages of the principal amount) set forth in the table
below, and (2) at any time [on or after      ] , as a whole or in part, at the
election of the Company, at the Redemption Prices for redemption otherwise
than through operation of the sinking fund (expressed as percentages of the
principal amount) set forth in the table below: If redeemed during the 12-
month period beginning of the years indicated,
 
<TABLE>
      <S>              <C>                                        <C>
                       REDEMPTION PRICE FOR                        REDEMPTION PRICE FOR
                        REDEMPTION THROUGH                         REDEMPTION OTHERWISE
      YEAR               OPERATION OF THE                         THAN THROUGH OPERATION
      ----                 SINKING FUND                            OF THE SINKING FUND
                       --------------------                       ----------------------
</TABLE>
 
 
                                      A-4
<PAGE>
 
and thereafter at a Redemption Price equal to     % of the principal amount.
[If applicable, insert--and (3) under the circumstances described in the next
[two] succeeding paragraph[s] at a Redemption Price equal to 100% of the
principal amount,] together in the case of any such redemption (whether
through operation of the sinking fund or otherwise) with accrued interest to
the Redemption Date; provided, however, that installments of interest on this
Security whose Stated Maturity Date is on or prior to such Redemption Date
will be payable to the Holder of this Security, or one or more Predecessor
Securities, of record at the close of business on the relevant Record Dates
referred to on the face hereof, all as provided in the Indenture.]
[Notwithstanding the foregoing, the Company may not, prior to      , redeem
any Securities of this series as contemplated by Clause [(2)] above as a part
of, or in anticipation of, any refunding operation by the application,
directly or indirectly, of moneys borrowed having an interest cost to the
Company (calculated in accordance with generally accepted financial practice)
of less than     % per annum.]
 
  [If applicable, insert--The sinking fund for this series provides for the
redemption on       in each year, beginning with the year      and ending with
the year     , of [not less than] [U.S.] $        [("mandatory sinking fund")
and not more than [ U.S.]$        aggregate principal amount of Securities of
this series. [Securities of this series acquired or redeemed by the Company
otherwise than through [mandatory] sinking fund payments may be credited
against subsequent [mandatory] sinking fund payments otherwise required to be
made--in the inverse order in which they become due.]]
 
  Notice of redemption will be given by mail to Holders of Securities, not
less than 30 nor more than 60 days prior to the date fixed for redemption, all
as provided in the Indenture.
 
  In the event of redemption of this Security in part only, a new Security or
Securities of this series and of like tenor for the unredeemed portion hereof
will be issued in the name of the Holder hereof upon the cancellation hereof.
 
  [If applicable, insert--The Indenture contains provisions for defeasance of
(a) the entire indebtedness of this Security and (b) certain restrictive
covenants upon compliance by the Company with certain conditions set forth
therein.]
 
  [If applicable, insert--If so specified on the face hereof, the interest
rate on this Security may be reset by the Company on the date or dates
specified on the face hereof (each an "Optional Reset Date"). Not later than
     days prior to each Optional Reset Date, the Trustee will mail to the
Holder of this Security a notice (the "Reset Notice") first-class postage
prepaid indicating whether the Company has elected to reset the interest rate,
and if so (a) such new interest rate and (b) the provisions, if any, for
redemption during the period from such Optional Reset Date to the next
Optional Reset Date or if there is no such Optional Reset Date, to the Stated
Maturity of this Security (each such period a "Subsequent Interest Period"),
including the date or dates on which or the period or periods during which and
the price or prices at which such redemption may occur during the Subsequent
Interest Period.
 
  Notwithstanding the foregoing, not later than         days prior to the
Optional Reset Date, the Company may, at its option, revoke the interest rate
provided for in the Reset Notice and establish a higher interest rate for the
Subsequent Interest Period by causing the Trustee to mail notice of such
higher interest rate to the Holder of this Security. Such notice shall be
irrevocable. All Registered Securities with respect to which the interest rate
is reset on an Optional Reset Date will bear such higher interest rate.
 
  The Holder of this Security will have the option to elect repayment by the
Company on each Optional Reset Date at a price equal to the principal amount
hereof plus interest accrued to such Optional Reset Date. In order to obtain
repayment on an Optional Reset Date, the Holder must follow the procedures set
forth below for optional repayment except that the period for delivery or
notification to the Trustee shall be at least       but not more than
days prior to such Optional Reset Date and except that, if the Holder has
tendered
 
                                      A-5
<PAGE>
 
this Security for repayment pursuant to the Reset Notice, the Holder may, by
written notice to the Trustee, revoke such tender or repayment until the close
of business on the       day before such Optional Reset Date.]
 
  [If applicable, insert--If so specified on the face hereof, the Maturity of
this Security may be extended at the option of the Company for the period or
period of whole years specified on the face hereof (each an "Extension
Period") up to but not beyond the date (the "Final Maturity") set forth on the
face hereof. If the Company exercises such option, the Trustee will mail to
the Holder of this Security not later than      days prior to the old Stated
Maturity a notice (the "Extension Notice") first-class postage prepaid
indicating (a) the election of the Company to extend the Maturity, (b) the new
Stated Maturity, (c) the interest rate applicable to the Extension Period and
(d) the provisions, if any, for redemption during such Extension Period. Upon
the Trustee's mailing of the Extension Notice, the Maturity of this Security
shall be extended automatically and, except as modified by the Extension
Notice and as described in the next paragraph, this Security will have the
same terms as prior to the mailing of such Notice.
 
  Notwithstanding the foregoing, not later than       days before the old
Stated Maturity of this Security the Company may, at its option, revoke the
interest rate provided for in the Extension Notice and establish a higher
interest rate for the Extension Period by causing the Trustee to mail notice
of such higher interest rate first-class postage prepaid to the Holder of this
Security. Such notice shall be irrevocable. All Registered Securities with
respect to which the Maturity is extended will bear such higher interest rate.
 
  If the Company extends the Maturity of this Security, the Holder will have
the option to elect repayment of this Security by the Company on the old
Stated Maturity at a price equal to the principal amount hereof, plus interest
accrued to such date. In order to obtain repayment on the old Stated Maturity
once the Company has extended the Maturity hereof, the Holder must follow the
procedures set forth below for optional repayment, except that the period for
delivery or notification to the Trustee shall be at least      but not more
than      days prior to the old Stated Maturity and except that, if the Holder
has tendered this Security for repayment pursuant to an Extension Notice, the
Holder may by written notice to the Trustee revoke such tender for repayment
until the close of business on the      day before the old Stated Maturity.]
 
  [If applicable, insert--If so specified on the face hereof, this Security
will be repayable prior to Maturity at the option of the Holder on the
Optional Repayment Dates shown on the face hereof at the Optional Repayment
Prices shown on the face hereof together with accrued interest to the date of
repayment. In order for this Security to be repaid, the Trustee must receive
at least      but not more than      days prior to an Optional Repayment Date
(a) this Security with the form entitled "Option to Elect Repayment" duly
completed or (b) a telegram, telex, facsimile transmission or letter from a
member of a national securities exchange or the National Association of
Securities Dealers, Inc. or a commercial bank or trust company in the United
States of America setting forth the name of the Holder of this Security, the
principal amount of the Security to be repaid, the certificate number or a
description of the tenor and terms of this Security, a statement that the
option to elect repayment is being exercised thereby and a guarantee that this
Security with the form entitled "Option to Elect Repayment" duly completed
will be received by the Trustee not later than      Business Days after the
date of such telegram, telex, facsimile transmission or letter. If the
procedure described in clause (b) of the preceding sentence is followed, this
Security with such form duly completed must be received by the Trustee by such
     Business Day. Any tender of this Security for repayment [(except pursuant
to a Reset Notice or an Extension Notice)] shall be irrevocable. The repayment
option may be exercised by the Holder of this Security for less than the
entire principal amount of the Security provided that the principal amount of
the Security remaining outstanding after repayment is an authorized
denomination. Upon such partial repayment this Security shall be cancelled and
a new Security or Securities for the remaining principal amount hereof shall
be issued in the name of the Holder of this Security.]
 
  If an Event of Default with respect to Securities of this series shall occur
and be continuing, the principal of the Securities of this series may be
declared due and payable in the manner and with the effect provided in the
Indenture.
 
                                      A-6
<PAGE>
 
  The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Company and the Guarantor and the rights of the Holders of the Securities of
each series to be affected under the Indenture at any time by the Company, the
Guarantor and the Trustee with the consent of the Holders of a majority in
principal amount of the Securities at the time Outstanding of each series to
be affected. The Indenture also contains provisions permitting the Holders of
specified percentages in principal amount of the Securities of each series at
the time Outstanding, on behalf of the Holders of all Securities of such
series, to waive compliance by the Company and the Guarantor with certain
provisions of the Indenture and certain past defaults under the Indenture and
their consequences. Any such consent or waiver by the Holder of this Security
shall be conclusive and binding upon such Holder and upon all future Holders
of this Security and of any Security issued upon the registration of transfer
hereof or in exchange herefor or in lieu hereof, whether or not notation of
such consent or waiver is made upon this Security.
 
  As set forth in, and subject to, the provisions of the Indenture, no Holder
of any Security of this series will have any right to institute any proceeding
with respect to the Indenture or for any remedy thereunder, unless such Holder
shall have previously given to the Trustee written notice of a continuing
Event of Default with respect to this series, the Holders of not less than 25%
in principal amount of the Outstanding Securities of this series shall have
made written request, and offered reasonable indemnity, to the Trustee to
institute such proceeding as trustee, and the Trustee shall not have received
from the Holders of a majority in principal amount of the Outstanding
Securities of this series a direction inconsistent with such request and shall
have failed to institute such proceeding within 60 days; provided, however,
that such limitations do not apply to a suit instituted by the Holder hereof
for the enforcement of payment of the principal of [(and premium, if any)] or
interest on this Security on or after the respective due dates expressed
herein.
 
  No reference herein to the Indenture and no provision of this Security or of
the Indenture shall alter or impair the obligation of the Company, which is
absolute and unconditional, to pay the principal of [(and premium, if any)]
and interest on this Security at the times, place[s] and rate, and in the coin
or currency, herein prescribed.
 
  As provided in the Indenture and subject to certain limitations therein set
forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or
agency of the Company in [any place where the principal of [(and premium, if
any)] and interest on this Security are payable] [the United States of
America, or, subject to any laws or regulations applicable thereto and to the
right of the Company (limited as provided in the Indenture) to rescind the
designation of any such transfer agent, at the [main] offices of          in
        and         in         or at such other offices or agencies as the
Company may designate], duly endorsed by, or accompanied by a written
instrument of transfer in form satisfactory to the Company and the Security
Registrar duly executed by, the Holder hereof or his attorney duly authorized
in writing, and thereupon one or more new Securities of this series and of
like tenor, of authorized denominations and for the same aggregate principal
amount, will be issued to the designated transferee or transferees.
 
  The Securities of this series are issuable only in registered form, without
coupons, in denominations of $        and any integral multiple thereof. As
provided in the Indenture and subject to certain limitations therein set
forth, Securities of this series are exchangeable for a like aggregate
principal amount of Securities of the series and of like tenor of a different
authorized denomination, as requested by the Holder surrendering the same.
 
  [If applicable, insert--If this Security is a global Security (as specified
on the face hereof), this Security is exchangeable only if (x) the Depository
notifies the Company that it is unwilling or unable to continue as Depository
for this global Security or if at any time the Depository ceases to be a
clearing agency registered under the Securities Exchange Act of 1934, as
amended, (y) the Company in its sole discretion determines that this Security
shall be exchangeable for definitive Securities in registered form or (z) an
Event of Default, or an
 
                                      A-7
<PAGE>
 
event which with the passage of time or the giving of notice would become an
Event of Default, with respect to the Securities represented hereby has
occurred and is continuing, provided that the definitive Securities so issued
in exchange for this permanent global Security shall be in denominations of
$100,000 and any integral multiple of $1,000 in excess thereof and be of like
aggregate principal amount and tenor as the portion of this permanent global
Security to be exchanged, and provided further that, unless the Company agrees
otherwise, Securities of this series in definitive registered form will be
issued in exchange for this permanent global Security, or any portion hereof,
only if such Securities in definitive registered form were requested by
written notice to the Trustee or the Security Registrar by or on behalf of a
Person who is beneficial owner of an interest hereof given through the Holder
hereof. Except as provided above, owners of beneficial interests in this
permanent global Security will not be entitled to receive physical delivery of
Securities in definitive registered form and will not be considered the
Holders thereof for any purpose under the Indenture.]
 
  No service charge shall be made for any such registration of transfer or
exchange, but the Company may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.
 
  Prior to due presentment of this Security for registration of transfer, the
Company, the Guarantor, the Trustee and any agent of the Company, the
Guarantor or the Trustee may treat the Person in whose name this Security is
registered as the owner hereof for all purposes, whether or not this Security
is overdue, and neither the Company, the Guarantor, the Trustee nor any such
agent shall be affected by notice to the contrary.
 
  All terms used in this Security which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.
 
                                   GUARANTEE
 
  For Value Received, Ameritech Corporation, a Delaware corporation (the
"Guarantor"), hereby unconditionally guarantees to the Holder of the Security
upon which this Guarantee is endorsed the due and punctual payment of the
principal of, sinking fund payment, if any, premium, if any, or interest on
said Security, when and as the same shall become due and payable, whether at
maturity, upon redemption or otherwise, according to the terms thereof and of
the Indenture referred to therein.
 
  The Guarantor agrees to determine, at least one business day prior to the
date upon which a payment of principal of, sinking fund payment, if any,
premium, if any, or interest on said Security is due and payable, whether the
Company has available the funds to make such payment as the same shall become
due and payable. In case of the failure of the Company punctually to pay any
such principal, sinking fund payment, if any, premium, if any, or interest,
the Guarantor hereby agrees to cause any such payment to be made punctually
when and as the same shall become due and payable, whether at maturity, upon
redemption, or otherwise, and as if such payment were made by the Company.
 
  The Guarantor hereby agrees that its obligations hereunder shall be
unconditional, irrevocable, and absolute, irrespective of the validity,
regularity, or enforceability of said Security or said Indenture, the absence
of any action to enforce the same, any waiver or consent by the Holder of said
Security with respect to any provisions thereof, the recovery of any judgment
against the Company or any action to enforce the same, or any other
circumstance which might otherwise constitute a legal or equitable discharge
or defense of a guarantor. The Guarantor hereby waives diligence, presentment,
demand of payment, filing of claims with a court in the event of merger or
bankruptcy of the Company, any right to require a proceeding first against the
Company, protest or notice with respect to said Security or indebtedness
evidenced thereby, and all demands whatsoever and covenants that this
Guarantee will not be discharged except by complete performance of the
obligations contained in said Security and in this Guarantee.
 
                                      A-8
<PAGE>
 
  The Guarantor shall be subrogated to all rights of the Holder of said
Security against the Company in respect of any amounts paid by the Guarantor
pursuant to the provisions of this Guarantee; provided, however, that the
Guarantor shall not, without the consent of the Holders of all of the
Securities then outstanding, be entitled to enforce or to receive any payments
arising out of or based upon such right of subrogation until the principal of
and premium, if any, and interest on all Securities shall have been paid in
full or payment thereof shall have been provided for in accordance with said
Indenture.
 
  Notwithstanding anything to the contrary contained herein, if following any
payment of principal or interest by the Company on the Securities to the
Holders of the Securities it is determined by a final decision of a court of
competent jurisdiction that such payment shall be avoided by a trustee in
bankruptcy (including any debtor-in-possession) as a preference under 11
U.S.C. Section 547 and such payment is paid by such Holder to such trustee in
bankruptcy, then and to the extent of such repayment, the obligations of the
Guarantor hereunder shall remain in full force and effect.
 
  The Guarantor hereby certifies and warrants that all acts, conditions and
things required to be done and performed and to have happened prior to the
creation and issuance of this Guarantee and to constitute the same as the
legal, valid and binding obligation of the Guarantor enforceable in accordance
with its terms, have been done and performed and have happened in due and
strict compliance with applicable laws.
 
  This Guarantee shall not be valid or become obligatory for any purpose with
respect to a Security until the certificate of authentication on such Security
shall have been signed by the Trustee (or the Authenticating Agent).
 
  This Guarantee shall be governed by the internal laws (as opposed to
conflicts of laws provisions) of the State of Illinois.
 
  All terms used in this Guarantee which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.
 
  In Witness Whereof, Ameritech Corporation has caused this Guarantee to be
signed in its corporate name by the facsimile signature of one of its officers
thereunto duly authorized and has caused a facsimile of its corporate seal to
be affixed hereunto or imprinted or otherwise reproduced hereon.
 
Dated as of:      , 19
 
 
                                          Ameritech Corporation
 
 
                                          By: _________________________________
                                                    Authorized Officer
 
[Seal]
 
                                      A-9
<PAGE>
 
                               ----------------
 
                                 ABBREVIATIONS
 
  The following abbreviations, when used in the inscription on the face of
this instrument, shall be construed as though they were written out in full
according to applicable laws or regulations:
 
     TEN COM--as tenants in common
 
     TEN ENT--as tenants by the entireties
 
     JT TEN--as joint tenants with right of survivorship and not as
     tenants in common
 
     UNIF GIFT MIN ACT-- ________________ Custodian ________________
                                (Cust)                    (Minor)
 
                            Under Uniform Gifts to Minors Act
                            ------------------------------------------
                                             (State)
 
  Additional abbreviations may also be used though not in the above list.
 
                               ----------------
 
  For Value Received, the undersigned hereby sell(s), assign(s) and
transfer(s) unto
 
   PLEASE INSERT SOCIAL SECURITY OR
 OTHER IDENTIFYING NUMBER OF ASSIGNEE
 
- ---------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
    PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING POSTAL ZIP CODE OF
                                   ASSIGNEE
- -------------------------------------------------------------------------------
the within Security and all rights thereunder, hereby irrevocably constituting
and appointing ________________________________________________________________
________________________ attorney to transfer said Security on the books of the
Company, with full power of substitution in the premises.
 
Dated:
                                          _____________________________________
                                                        Signature
 
NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS
WRITTEN UPON THE FACE OF THE WITHIN INSTRUMENT IN EVERY PARTICULAR, WITHOUT
ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.
 
                                     A-10
<PAGE>
 
                                                                      EXHIBIT B
 
                   [FORM OF REGISTERED SECURITY WHICH IS AN
                       ORIGINAL ISSUE DISCOUNT SECURITY]
 
                                [FORM OF FACE]
 
  FOR PURPOSES OF SECTIONS 1273 AND 1275 OF THE UNITED STATES INTERNAL REVENUE
CODE, THE AMOUNT OF ORIGINAL ISSUE DISCOUNT ON THIS SECURITY IS   % OF ITS
PRINCIPAL AMOUNT, THE ISSUE DATE IS           , 19  , [AND] THE YIELD TO
MATURITY IS     % [, THE METHOD USED TO DETERMINE THE YIELD IS       AND THE
AMOUNT OF ORIGINAL ISSUE DISCOUNT APPLICABLE TO THE SHORT ACCRUAL PERIOD OF
          , 19   TO           , 19   , IS     % OF THE PRINCIPAL AMOUNT OF
THIS SECURITY].
 
                     AMERITECH CAPITAL FUNDING CORPORATION
 
No. [R- ]                                                     [U.S.] $
 
  [If the registered owner of this Security (as indicated below) is The
Depository Trust Company (the "Depository") or a nominee of the Depository,
insert--Unless this certificate is presented by an authorized representative
of The Depository Trust Company (55 Water Street, New York, New York) to the
issuer or its agent for registration of transfer, exchange or payment, and any
certificate issued is registered in the name of Cede & Co., or such other name
as requested by an authorized representative of The Depository Trust Company
and any payment is made to Cede & Co., ANY TRANSFER, PLEDGE OR OTHER USE
HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL since the
registered owner hereof, Cede & Co., has an interest herein.]
 
                                          INITIAL REDEMPTION DATE:
ISSUE PRICE:
 
 
                                          TOTAL AMOUNT OF OID:
ORIGINAL ISSUE DATE:
 
 
                                          YIELD TO MATURITY:
STATED MATURITY:
 
 
                                          INITIAL ACCRUAL PERIOD OID:
BASE RATE:
 
 
                                          OPTION TO ELECT REPAYMENT: YES NO
INITIAL INTEREST RATE:
 
 
                                          OPTIONAL REPAYMENT DATES:
INDEX MATURITY:
 
 
                                          OPTIONAL REPAYMENT PRICES:
SPREAD (PLUS OR MINUS):
 
 
                                          OPTIONAL RESET DATES:
SPREAD MULTIPLIER:
 
 
                                          OPTIONAL EXTENSION: YES NO
MAXIMUM INTEREST RATE:
 
 
                                          FINAL MATURITY:
MINIMUM INTEREST RATE:
 
 
                                          DEPOSITORY:
INTEREST RESET PERIOD:
 
 
                                          REPAYMENT PROVISIONS (If
INTEREST RESET DATES:                     applicable):
 
 
INTEREST PAYMENT DATES:                   OTHER PROVISIONS:
 
  Ameritech Capital Funding Corporation, a corporation duly organized and
existing under the laws of Delaware (herein called the "Company", which term
includes any successor Person under the Indenture referred to on the reverse
hereof), for value received, hereby promises to pay to            , or
registered assigns the principal sum of            [United States] Dollars on
                 [If the Security is interest-bearing, insert--, and to pay
interest thereon from           , 19   or from the most recent Interest
Payment Date to which interest has been paid or duly provided for in arrears
[If applicable, insert--; provided, however, that if this Security has a
weekly Interest Rate Reset Period, as shown above, such interest will be paid
from the Original Issue Date shown above or from the day following the most
recent Regular Record Date to which interest has been paid or duly provided
for in arrears]. Interest will be paid [semi-annually in arrears on
 
                                      B-1
<PAGE>
 
         and in each year] [annually in arrears on                  in each
year] ([each] an "Interest Payment Date"), commencing           , 19   at the
rate of     % [or describe formula to calculate rate, e.g. commercial paper
rate] per annum, until the principal hereof is paid or made available for
payment. [If applicable, insert--, and (to the extent that the payment of such
interest shall be legally enforceable) at the rate of     % per annum on any
overdue principal [and premium] and on any overdue installment of interest].
The interest so payable, and punctually paid or duly provided for, on any
Interest Payment Date will, as provided in such Indenture, be paid to the
Person in whose name this Security (or one or more Predecessor Securities) is
registered at the close of business on the Regular Record Date for such
interest, which shall be the            [or           ] (whether or not a
Business Day) [, as the case may be,] next preceding such Interest Payment
Date; provided, however, that interest payable at Maturity will be payable to
the Person to whom principal shall be payable. The first payment of interest
on any Security originally issued between a Regular Record Date and an
Interest Payment Date will be made on the Interest Payment Date following the
next succeeding Regular Record Date to the registered owner on such Regular
Record Date. Except as otherwise provided in the Indenture, any such interest
not so punctually paid or duly provided for will forthwith cease to be payable
to the Holder on such Regular Record Date and may either be paid to the Person
in whose name this Security (or one or more Predecessor Securities) is
registered at the close of business on a Special Record Date for the Payment
of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be
given to Holders of Securities of this series not less than 10 days prior to
such Special Record Date, or be paid at any time in any other lawful manner
not inconsistent with the requirements of any securities exchange on which the
Securities of this series may be listed, and upon such notice as may be
required by such exchange, all as more fully provided in said Indenture]. [If
the Security is not to bear interest prior to Maturity, insert--The principal
of this Security shall not bear interest except in the case of a default in
payment of principal upon acceleration, upon redemption or at Stated Maturity
Date, and in such case the overdue principal of this Security shall bear
interest at the rate of     % per annum (to the extent that the payment of
such interest shall be legally enforceable), which shall accrue from the date
of such default in payment to the date payment of such principal has been made
or duly provided for. Interest on any overdue principal shall be payable on
demand. Any such interest on any overdue principal that is not so paid on
demand shall bear interest at the rate of     % per annum (to the extent that
the payment of such interest shall be legally enforceable), which shall accrue
from the date of such demand for payment to the date payment of such interest
has been made or duly provided for, and such interest shall also be payable on
demand.] Payment of the principal of [(and premium, if any)] and [If
applicable, insert--any such] interest on this Security will be made at [the
office or agency of the Company maintained for that purpose in           , in
such coin or currency of the United States of America as at the time of
payment is legal tender for payment of public and private debts] [the option
of the Holder (a) at [the Corporate Trust Office of the Trustee] or such other
office or agency of the Company as may be designated by it for such purpose in
the United States of America, in such coin or currency of the United States of
America as at the time of payment shall be legal tender for the payment of
public and private debts or (b) subject to any laws or regulations applicable
thereto and to the right of the Company (limited as provided in the Indenture)
to rescind the designation of any such Paying Agent, at the (main) offices of
        in        , in        , in        , in         and in        , or at
such other offices or agencies as the Company may designate, by United States
dollar check drawn on, or transfer to a United States dollar account
maintained by the payee with a bank in the United States of America [If
applicable, insert--; provided, however, that at the option of the Company
payment of interest may be made by check mailed to the address of the Person
entitled thereto as such address shall appear in the Security Register] [or by
wire transfer to an account maintained by such Person with a bank in the
continental United States (so long as the Company has received proper transfer
instructions in writing)].
 
  [If the registered owner of this Security is the Depository or a nominee of
the Depository, insert--THIS GLOBAL NOTE MAY NOT BE TRANSFERRED EXCEPT AS A
WHOLE BY THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR
ANOTHER NOMINEE OF THE DEPOSITORY OR BY THE DEPOSITORY OR ANY SUCH NOMINEE TO
A SUCCESSOR OF THE DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR.]
 
 
                                      B-2
<PAGE>
 
  Reference is hereby made to the further provisions of this Security set
forth on the reverse hereof, which further provisions shall for all purposes
have the same effect as if set forth at this place.
 
  Unless the certificate of authentication hereon has been executed by the
Trustee referred to on the reverse hereof, directly or through an
Authenticating Agent, by manual signature of an authorized signatory, this
Security shall not be entitled to any benefit under the Indenture or be valid
or obligatory for any purpose.
 
  In Witness Whereof, the Company has caused this instrument to be duly
executed under its corporate seal.
 
                                          Ameritech Capital Funding
                                          Corporation
 
 
                                          By___________________________________
                                                   Authorized Officer
Dated:
 
[Seal]
 
Attest:
 
- ------------------------------------------
 
                    TRUSTEE'S CERTIFICATE OF AUTHENTICATION
 
  This is one of the Securities of the series designated herein and referred
to in the within-mentioned Indenture.
 
                                          Harris Trust and Savings Bank,
                                          as Trustee
 
                                          [By_________________________________]
                                                  As Authenticating Agent
 
                                          By___________________________________
                                                    Authorized Officer
 
                                      B-3
<PAGE>
 
                               [FORM OF REVERSE]
 
  This Security is one of a duly authorized issue of securities of the Company
(herein called the "Securities"), issued and to be issued in one or more
series under an Indenture, dated as of           , 19   among the Company, the
Guarantor and Harris Trust and Savings Bank, as Trustee (herein called the
"Trustee", which term includes any successor trustee under the Indenture), to
which Indenture and all indentures supplemental thereto reference is hereby
made for a statement of the respective rights, limitations of rights, duties
and immunities thereunder of the Company, the Guarantor, the Trustee and the
Holders of the Securities and of the terms upon which the Securities are, and
are to be, authenticated and delivered. This Security is one of the series
designated on the face hereof [, limited in aggregate principal amount to
[U.S.] $          ].
 
  [If applicable, insert--Calculation of the Spread and Spread Multiplier
shall be done in accordance with the Indenture, as it may be amended or
supplemented to the date hereof.]
 
  [If applicable, insert--The Securities of this series are subject to
redemption [(1)] [If applicable, insert--on                  in any year
commencing with the year      and ending with the year      through operation
of the sinking fund for this series at a Redemption Price equal to [Insert
formula for determining the amount], [and] (2)] [If applicable, insert--at any
time [on or after           , 19  ], as a whole or in part, at the election of
the Company, at the following Redemption Prices (expressed as percentages of
the principal amount): If redeemed [on or before                 ,     %, and
if redeemed] during the 12-month period beginning                  of the
years indicated,
 
<TABLE>
<CAPTION>
      REDEMPTION
YEAR    PRICE
- ----  ----------
<S>   <C>
 
</TABLE>
<TABLE>
<CAPTION>
      REDEMPTION
YEAR    PRICE
- ----  ----------
<S>   <C>
</TABLE>
 
and thereafter at a Redemption Price equal to     % of the principal amount,]
[If applicable, insert--[and ( )] under the circumstances described in the
next [two] succeeding paragraph[s] at a Redemption Price equal to [Insert
formula for determining the amount]] [If the Security is interest-bearing,
insert--, together in the case of any such redemption [If applicable, insert--
(whether through operation of the sinking fund or otherwise)] with accrued
interest to the Redemption Date; provided, however, that installments of
interest on this Security whose Stated Maturity Date is on or prior to such
Redemption Date will be payable to the Holder of this Security, or one or more
Predecessor Securities, of record at the close of business on the relevant
Record Dates referred to on the face hereof, all as provided in the
Indenture.]
 
  [If applicable, insert--The Securities of this series are subject to
redemption (1) on                  in any year commencing with the year
and ending with the year      through operation of the sinking fund for this
series at the Redemption Prices for redemption through operation of the
sinking fund (expressed as percentages of the principal amount) set forth in
the table below, and (2) at any time [on or after           , 19  ], as a
whole or in part, at the election of the Company, at the Redemption Prices for
redemption otherwise than through operation of the sinking fund (expressed as
percentages of the principal amount) set forth in the table below: If redeemed
during the 12-month period beginning                  of the years indicated,
 
<TABLE>
      <S>              <C>                                        <C>
                       REDEMPTION PRICE FOR                        REDEMPTION PRICE FOR
                        REDEMPTION THROUGH                         REDEMPTION OTHERWISE
      YEAR               OPERATION OF THE                         THAN THROUGH OPERATION
      ----                 SINKING FUND                            OF THE SINKING FUND
                       --------------------                       ----------------------
 
</TABLE>
 
                                      B-4
<PAGE>
 
and thereafter at a Redemption Price equal to     % of the principal amount.
[If applicable, insert--and (3) under the circumstances described in the next
[two] succeeding paragraph[s] at a Redemption Price equal to [Insert formula
for determining the amount]] [If the Security is interest-bearing, insert--,
together in the case of any such redemption (whether through operation of the
sinking fund or otherwise) with accrued interest to the Redemption Date;
provided, however, that installments of interest on this Security whose Stated
Maturity Date is on or prior to such Redemption Date will be payable to the
Holder of this Security, or one or more Predecessor Securities, of record at
the close of business on the relevant Record Dates referred to on the face
hereof, all as provided in the Indenture.] [Notwithstanding the foregoing, the
Company may not, prior to                 , redeem any Securities of this
series as contemplated by Clause [(2)] above as a part of, or in anticipation
of, any refunding operation by the application, directly or indirectly, of
moneys borrowed having an interest cost to the Company (calculated in
accordance with generally accepted financial practice) of less than     %, per
annum.]
 
  [If applicable, insert--The sinking fund for this series provides for the
redemption on            in each year, beginning with the year      and ending
with the year     , of [not less than] [U.S.] $          [("mandatory sinking
fund") and not more than [U.S.] $          aggregate principal amount of
Securities of this series. [Securities of this series acquired or redeemed by
the Company otherwise than through [mandatory] sinking fund payments may be
credited against subsequent [mandatory] sinking fund payments otherwise
required to be made--in the inverse order in which they become due.]]
 
  Notice of redemption will be given by mail to Holders of Securities, not
less than 30 nor more than 60 days prior to the date fixed for redemption, all
as provided in the Indenture.
 
  In the event of redemption of this Security in part only, a new Security or
Securities of this series and of like tenor for the unredeemed portion hereof
will be issued in the name of the Holder hereof upon the cancellation hereof.
 
  [If applicable, insert--The Indenture contains provisions for defeasance of
(a) the entire indebtedness of this Security and (b) certain restrictive
covenants upon compliance by the Company with certain conditions set forth
therein.]
 
  [If applicable, insert--If so specified on the face hereof, the interest
rate on this Security may be reset by the Company on the date or dates
specified on the face hereof (each an "Optional Reset Date"). Not later than
   days prior to each Optional Reset Date, the Trustee will mail to the Holder
of this Security a notice (the "Reset Notice") first-class postage prepaid
indicating whether the Company has elected to reset the interest rate, and if
so (a) such new interest rate and (b) the provisions, if any, for redemption
during the period from such Optional Reset Date to the next Optional Reset
Date or if there is no such Optional Reset Date, to the Stated Maturity of
this Security (each such period a "Subsequent Interest Period"), including the
date or dates on which or the period or periods during which and the price or
prices at which such redemption may occur during the Subsequent Interest
Period.
 
  Notwithstanding the foregoing, not later than    days prior to the Optional
Reset Date, the Company may, at its option, revoke the interest rate provided
for in the Reset Notice and establish a higher interest rate for the
Subsequent Interest Period by causing the Trustee to mail notice of such
higher interest rate to the Holder of this Security. Such notice shall be
irrevocable. All registered Securities with respect to which the interest rate
is reset on an Optional Reset Date will bear such higher interest rate.
 
  The Holder of this Security will have the option to elect repayment by the
Company on each Optional Reset Date at a price equal to the principal amount
hereof plus interest accrued to such Optional Reset Date. In order to obtain
repayment on an Optional Reset Date, the Holder must follow the procedures set
forth below for optional repayment except that the period for delivery or
notification to the Trustee shall be at least    but not more than    days
prior to such Optional Reset Date and except that, if the Holder has tendered
this Security for repayment pursuant to the Reset Notice, the Holder may, by
written notice to the Trustee, revoke such tender or repayment until the close
of business on the day before such Optional Reset Date.]
 
                                      B-5
<PAGE>
 
  [If applicable, insert--If so specified on the face hereof, the Maturity of
this Security may be extended at the option of the Company for the period or
period of whole years specified on the face hereof (each an "Extension Period")
up to but not beyond the date (the "Final Maturity") set forth on the face
hereof. If the Company exercises such option, the Trustee will mail to the
Holder of this Security not later than days prior to the old Stated Maturity a
notice (the "Extension Notice") first-class postage prepaid indicating (a) the
election of the Company to extend the Maturity, (b) the new Stated Maturity, (c)
the interest rate applicable to the Extension Period and (d) the provisions, if
any, for redemption during such Extension Period. Upon the Trustee's mailing of
the Extension Notice, the Maturity of this Security shall be extended
automatically and, except as modified by the Extension Notice and as described
in the next paragraph, this Security will have the same terms as prior to the
mailing of such Notice.
 
  Notwithstanding the foregoing, not later than days before the old Stated
Maturity of this Security the Company may, at its option, revoke the interest
rate provided for in the Extension Notice and establish a higher interest rate
for the Extension Period by causing the Trustee to mail notice of such higher
interest rate first-class postage prepaid to the Holder of this Security. Such
notice shall be irrevocable. All Registered Securities with respect to which the
Maturity is extended will bear such higher interest rate.
 
  If the Company extends the Maturity of this Security, the Holder will have the
option to elect repayment of this Security by the Company on the old Stated
Maturity at a price equal to the principal amount hereof, plus interest accrued
to such date. In order to obtain repayment on the old Stated Maturity once the
Company has extended the Maturity hereof, the Holder must follow the procedures
set forth below for optional repayment except that the period for delivery or
notification to the Trustee shall be at least but not more than days prior to
the old Stated Maturity and except that, if the Holder has tendered this Note
for repayment pursuant to an Extension Notice, the Holder may by written notice
to the Trustee revoke such tender for repayment until the close of business on
the day before the old Stated Maturity.]
 
  [If applicable, insert--If so specified on the face hereof, this Security will
be repayable prior to Maturity at the option of the Holder on the Optional
Repayment Dates shown on the face hereof at the Optional Repayment Prices shown
on the face hereof together with accrued interest to the date of repayment. In
order for this Security to be repaid, the Trustee must receive at least but not
more than days prior to an Optional Repayment Date (a) this Security with the
form entitled "Option to Elect Repayment" duly completed or (b) a telegram,
telex, facsimile transmission or letter from a member of a national securities
exchange or the National Association of Securities Dealers, Inc. or a commercial
bank or trust company in the United States of America setting forth the name of
the Holder of this Security, the principal amount of the Security to be repaid,
the certificate number or a description of the tenor and terms of this Security,
a statement that the option to elect repayment is being exercised thereby and a
guarantee that this Security with the form entitled "Option to Elect Repayment"
duly completed will be received by the Trustee not later than Business Days
after the date of such telegram, telex, facsimile transmission or letter. If the
procedure described in clause (b) of the preceding sentence is followed, this
Security with such form duly completed must be received by the Trustee by such
Business Day. Any tender of this Security for repayment [(except pursuant to a
Reset Notice or an Extension Notice)] shall be irrevocable. The repayment option
may be exercised by the Holder of this Security for less than the entire
principal amount of the Security provided that the principal amount of the
Security remaining outstanding after repayment is an authorized denomination.
Upon such partial repayment this Security shall be cancelled and a new Security
or Securities for the remaining principal amount hereof shall be issued in the
name of the Holder of this Security.]
 
  If an Event of Default with respect to Securities of this series shall occur
and be continuing, an amount of principal of the Securities of this series may
be declared due and payable in the manner and with the effect provided in the
Indenture. Such amount shall be equal to [--insert formula for determining the
amount.] Upon payment (a) of the amount of principal so declared due and payable
and (b) of interest on any overdue principal and overdue interest (in each case
to the extent that the payment of such interest shall be legally enforceable),
all of the Company's obligations in respect of the payment of the principal of
and interest, if any, on the Securities of this series shall terminate.

                                      B-6
<PAGE>
 
  The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Company and the Guarantor and the rights of the Holders of the Securities of
each series to be affected under the Indenture at any time by the Company, the
Guarantor and the Trustee with the consent of the Holders of a majority in
principal amount of the Securities at the time Outstanding of each series to
be affected. The Indenture also contains provisions permitting the Holders of
specified percentages in principal amount of the Securities of each series at
the time Outstanding, on behalf of the Holders of all Securities of such
series, to waive compliance by the Company and the Guarantor with certain
provisions of the Indenture and certain past defaults under the Indenture and
their consequences. Any such consent or waiver by the Holder of this Security
shall be conclusive and binding upon such Holder and upon all future Holders
of this Security and of any Security issued upon the registration of transfer
hereof or in exchange herefor or in lieu hereof, whether or not notation of
such consent or waiver is made upon this Security.
 
  As set forth in, and subject to, the provisions of the Indenture, no Holder
of any Security of this series will have any right to institute any proceeding
with respect to the Indenture or for any remedy thereunder, unless such Holder
shall have previously given to the Trustee written notice of a continuing
Event of Default with respect to this series, the Holders of not less than 25%
in principal amount of the Outstanding Securities of this series shall have
made written request, and offered reasonable indemnity, to the Trustee to
institute such proceeding as trustee, and the Trustee shall not have received
from the Holders of a majority in principal amount of the Outstanding
Securities of this series a direction inconsistent with such request and shall
have failed to institute such proceeding within 60 days; provided, however,
that such limitations do not apply to a suit instituted by the Holder hereof
for the enforcement of payment of the principal of [(and premium, if any)] or
[any] interest on this Security on or after the respective due dates expressed
herein.
 
  No reference herein to the Indenture and no provision of this Security or of
the Indenture shall alter or impair the obligation of the Company, which is
absolute and unconditional, to pay the principal of [(and premium, if any)]
and [any] interest on this Security at the times, place[s] and rate, and in
the coin or currency, herein prescribed.
 
  As provided in the Indenture and subject to certain limitations therein set
forth, the transfer of this Security is registrable in the Security Register,
upon surrender of this Security for registration of transfer at the office or
agency of the Company in [any place where the principal of [(and premium, if
any)] and [any] interest on this Security are payable] [the United States of
America, or, subject to any laws or regulations applicable thereto and to the
right of the Company (limited as provided in the Indenture) to rescind the
designation of any such transfer agent, at the [main] offices of         in
        and         in         or at such other offices or agencies as the
Company may designate], duly endorsed by, or accompanied by a written
instrument of transfer in form satisfactory to the Company and the Security
Registrar duly executed by, the Holder hereof or his attorney duly authorized
in writing, and thereupon one or more new Securities of this series and of
like tenor, of authorized denominations and for the same aggregate principal
amount, will be issued to the designated transferee or transferees.
 
  The Securities of this series are issuable only in registered form, without
coupons, in denominations of $    and any integral multiple thereof. As
provided in the Indenture and subject to certain limitations therein set
forth, Securities of this series are exchangeable for a like aggregate
principal amount of Securities of this series and of like tenor of a different
authorized denomination, as requested by the Holder surrendering the same.
 
  [Insert, if applicable--If this Security is a global Security (as specified
on the face hereof), this Security is exchangeable only if (x) the Depository
notifies the Company that it is unwilling or unable to continue as Depository
for this global Security or if at any time the Depository ceases to be a
clearing agency registered under the Securities Exchange Act of 1934, as
amended, (y) the Company in its sole discretion determines that this Security
shall be exchangeable for definitive Securities in registered form or (z) an
Event of Default, or an event which with the passage of time or the giving of
notice would become an Event of Default, with respect to the Securities
represented hereby has occurred and is continuing, provided that the
definitive Securities so issued
 
                                      B-7
<PAGE>
 
in exchange for this permanent global Security shall be in denominations of
$100,000 and any integral multiple of $1,000 in excess thereof and be of like
aggregate principal amount and tenor as the portion of this permanent global
Security to be exchanged, and provided further that, unless the Company agrees
otherwise, Securities of this series in definitive registered form will be
issued in exchange for this permanent global Security, or any portion hereof,
only if such Securities in definitive registered form were requested by
written notice to the Trustee or the Security Registrar by or on behalf of a
Person who is beneficial owner of an interest hereof given through the Holder
hereof. Except as provided above, owners of beneficial interests in this
permanent global Security will not be entitled to receive physical delivery of
Securities in definitive registered form and will not be considered the
Holders thereof for any purpose under the Indenture.]
 
  No service charge shall be made for any such registration of transfer or
exchange, but the Company may require payment of a sum sufficient to cover any
tax or other governmental charge payable in connection therewith.
 
  Prior to due presentment of this Security for registration of transfer, the
Company, the Guarantor, the Trustee and any agent of the Company, the
Guarantor or the Trustee may treat the Person in whose name this Security is
registered as the owner hereof for all purposes, whether or not this Security
is overdue, and neither the Company, the Guarantor, the Trustee nor any such
agent shall be affected by notice to the contrary.
 
  All terms used in this Security which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.
 
                                   GUARANTEE
 
  For Value Received, Ameritech Corporation, a Delaware corporation (the
"Guarantor"), hereby unconditionally guarantees to the Holder of the Security
upon which this Guarantee is endorsed the due and punctual payment of the
principal of, sinking fund payment, if any, premium, if any, or interest on
said Security, when and as the same shall become due and payable, whether at
maturity, upon redemption or otherwise, according to the terms thereof and of
the Indenture referred to therein.
 
  The Guarantor agrees to determine, at least one business day prior to the
date upon which a payment of principal of, sinking fund payment, if any,
premium, if any, or interest on said Security is due and payable, whether the
Company has available the funds to make such payment as the same shall become
due and payable. In case of the failure of the Company punctually to pay any
such principal, sinking fund payment, if any, premium, if any, or interest,
the Guarantor hereby agrees to cause any such payment to be made punctually
when and as the same shall become due and payable, whether at maturity, upon
redemption, or otherwise, and as if such payment were made by the Company.
 
  The Guarantor hereby agrees that its obligations hereunder shall be
unconditional, irrevocable, and absolute, irrespective of the validity,
regularity, or enforceability of said Security or said Indenture, the absence
of any action to enforce the same, any waiver or consent by the Holder of said
Security with respect to any provisions thereof, the recovery of any judgment
against the Company or any action to enforce the same, or any other
circumstance which might otherwise constitute a legal or equitable discharge
or defense of a guarantor. The Guarantor hereby waives diligence, presentment,
demand of payment, filing of claims with a court in the event of merger or
bankruptcy of the Company, any right to require a proceeding first against the
Company, protest or notice with respect to said Security or indebtedness
evidenced thereby, and all demands whatsoever and covenants that this
Guarantee will not be discharged except by complete performance of the
obligations contained in said Security and in this Guarantee.
 
  The Guarantor shall be subrogated to all rights of the Holder of said
Security against the Company in respect of any amounts paid by the Guarantor
pursuant to the provisions of this Guarantee; provided, however, that the
Guarantor shall not, without the consent of the Holders of all of the
Securities then outstanding, be entitled to
 
                                      B-8
<PAGE>
 
enforce or to receive any payments arising out of or based upon such right of
subrogation until the principal of and premium, if any, and interest on all
Securities shall have been paid in full or payment thereof shall have been
provided for in accordance with said Indenture.
 
  Notwithstanding anything to the contrary contained herein, if following any
payment of principal or interest by the Company on the Securities to the
Holders of the Securities it is determined by a final decision of a court of
competent jurisdiction that such payment shall be avoided by a trustee in
bankruptcy (including any debtor-in-possession) as a preference under 11
U.S.C. Section 547 and such payment is paid by such Holder to such trustee in
bankruptcy, then and to the extent of such repayment, the obligations of the
Guarantor hereunder shall remain in full force and effect.
 
  The Guarantor hereby certifies and warrants that all acts, conditions and
things required to be done and performed and to have happened prior to the
creation and issuance of this Guarantee and to constitute the same as the
legal, valid and binding obligation of the Guarantor enforceable in accordance
with its terms, have been done and performed and have happened in due and
strict compliance with applicable laws.
 
  This Guarantee shall not be valid or become obligatory for any purpose with
respect to a Security until the certificate of authentication on such Security
shall have been signed by the Trustee (or the Authenticating Agent).
 
  This Guarantee shall be governed by the internal laws (as opposed to
conflicts of laws provisions) of the State of Illinois.
 
  All terms used in this Guarantee which are defined in the Indenture shall
have the meanings assigned to them in the Indenture.
 
  In Witness Whereof, Ameritech Corporation has caused this Guarantee to be
signed in its corporate name by the facsimile signature of one of its officers
thereunto duly authorized and has caused a facsimile of its corporate seal to
be affixed hereunto or imprinted or otherwise reproduced hereon.
 
Dated as of:           , 19
 
                                          Ameritech Corporation
 
                                          By: _________________________________
                                                    Authorized Officer
[Seal]
 
                               ----------------
 
                                 ABBREVIATIONS
 
  The following abbreviations, when used in the inscription on the face of
this instrument, shall be construed as though they were written out in full
according to applicable laws or regulations:
 
     TEN COM--as tenants in common
 
     TEN ENT--as tenants by the entireties
 
     JT TEN--as joint tenants with right of survivorship and not as
     tenants in common
 
     UNIF GIFT MIN ACT--_________________Custodian__________________
                                 (Cust)                   (Minor)
                            -------------------------------------------
                            Under Uniform Gifts to Minors Act
                            -------------------------------------------
                                              (State)
 
  Additional abbreviations may also be used though not in the above list.
 
                                      B-9
<PAGE>
 
                               ----------------
 
  For Value Received, the undersigned hereby sell(s), assign(s) and
transfer(s) unto
 
   PLEASE INSERT SOCIAL SECURITY OR
 OTHER IDENTIFYING NUMBER OF ASSIGNEE
 
- ---------------------------------------
- -------------------------------------------------------------------------------
 
- -------------------------------------------------------------------------------
PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS INCLUDING POSTAL ZIP CODE OF
ASSIGNEE
 
- -------------------------------------------------------------------------------
the within Security and all rights thereunder, hereby irrevocably constituting
and appointing                attorney to transfer said Security on the books
of the Company, with full power of substitution in the premises.
 
Dated:
                                          _____________________________________
                                                        Signature
 
NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS
WRITTEN UPON THE FACE OF THE WITHIN INSTRUMENT IN EVERY PARTICULAR, WITHOUT
ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.
 
                                     B-10
<PAGE>
 
                                                                      EXHIBIT C
                           [FORMS OF CERTIFICATION ]
 
                                  EXHIBIT C.1
 
                      [FORM OF CERTIFICATE TO BE GIVEN BY
                  PERSON ENTITLED TO RECEIVE BEARER SECURITY]
 
                                  CERTIFICATE
 
                               ----------------
 
    [Insert title or sufficient description of Securities to be delivered]
 
  This is to certify that the above-captioned Securities (a) [Not applicable
with respect to a Security owned by a financial institution during the
"restricted period" within the meaning of Section 1.163-5(c)(2)(i)(D)(7) of
the United States Treasury regulations] are not being acquired by or on behalf
of a United States person or any person inside the United States or, if a
beneficial interest in the Securities is being acquired by or on behalf of a
United States person or any person inside the United States, that such United
States person is a financial institution within the meaning of Section 1.165-
12(c)(1)(v) of the United States Treasury regulations which agrees to comply
with the requirements of Section 165(j)(3)(A), (B) or (C) of the Internal
Revenue Code and the regulations thereunder, or (b) are being acquired by a
financial institution within the meaning of Section 1.165-12(c)(1)(V) of such
regulations for purposes of resale, but not for purposes of resale, directly
or indirectly, to a person inside the United States or to a United States
person. If the undersigned is a dealer, the undersigned agrees to obtain a
similar certificate from each person entitled to delivery of any of the above-
captioned Securities in bearer form purchased from it; provided, however, that
if the undersigned has actual knowledge that the information contained in such
a certificate is false, the undersigned will not deliver a Security in
temporary or definitive bearer form to the person who signed such certificate
notwithstanding the delivery of such certificate to the undersigned.
 
  As used herein, "United States person" means any citizen or resident of the
United States, any corporation, partnership or other entity created or
organized in or under the laws of the United States and any estate or trust
the income of which is subject to United States Federal income taxation
regardless of its source, and "United States" means the United States of
America (including the States and the District of Columbia), its territories,
its possessions and other areas subject to its jurisdiction.
 
  We undertake to advise you by telex if the above statement as to beneficial
ownership is not correct on the date of delivery of the above-captioned
Securities in bearer form as to all of such Securities.
 
  We understand that this certificate may be required in connection with
certain tax legislation in the United States. If administrative or legal
proceedings are commenced or threatened in connection with which this
certificate is or would be relevant, we irrevocably authorize you to produce
this certificate or a copy thereof to any interested party in such
proceedings.
 
Dated:                          ,
19
[To be dated on or after
         , 19
(the date determined as
provided in the Indenture)]
 
                                          [Name of Person Entitled to Receive
                                           Security]
 
 
                                          _____________________________________
                                                  (Authorized Signatory)
                                          Name:
                                          Title:
 
                                      C-1
<PAGE>
 
                                  EXHIBIT C.2
 
[FORM OF CERTIFICATE TO BE GIVEN BY EURO-CLEAR AND CEDEL S.A. IN CONNECTION
WITH THE EXCHANGE OF A PORTION OF A TEMPORARY GLOBAL SECURITY]
 
                                  CERTIFICATE
 
                               ----------------
 
    [Insert title or sufficient description of Securities to be delivered]
 
  This is to certify with respect to $principal amount of the above-captioned
Securities (a) that we have received from each of the persons appearing in our
records as persons entitled to a portion of such principal amount (our
"Qualified Account Holders") a certificate with respect to such portion
substantially in the form attached hereto, and (b) that we are not submitting
herewith for exchange any portion of the temporary global Security
representing the above-captioned Securities excepted in such certificates.
 
  We further certify that as of the date hereof we have not received any
notification from any of our Qualified Account Holders to the effect that the
statements made by such Qualified Account Holders with respect to any portion
of the part submitted herewith for exchange are no longer true and cannot be
relied upon as of the date hereof.
 
Dated:                   , 19
[To be dated no earlier than
the Exchange Date]
 
                                          [Morgan Guaranty Trust Company of
                                           New York, Brussels Office, as
                                           Operator of the Euro-clear System]
                                           [CEDEL S.A.]
 
 
                                           By__________________________________
 
 
                                      C-2
<PAGE>
 
                                  EXHIBIT C.3
 
    [FORM OF CERTIFICATE TO BE GIVEN BY EURO-CLEAR AND CEDEL S.A. TO OBTAIN
                      INTEREST PRIOR TO AN EXCHANGE DATE]
 
                                  CERTIFICATE
 
                               ----------------
 
            [Insert title or sufficient description of Securities]
 
  We confirm that the interest payable on the Interest Payment Date on [Insert
Date ] will be paid to each of the persons appearing in our records as being
entitled to interest payable on such date from whom we have received a written
certification, dated not earlier than such Interest Payment Date,
substantially in the form attached hereto. We undertake to retain certificates
received from our member organizations in connection herewith for four years
from the end of the calendar year in which such certificates are received.
 
  We undertake that any interest received by us and not paid as provided above
shall be returned to the Trustee for the above Securities immediately prior to
the expiration of two years after such Interest Payment Date in order to be
repaid by such Trustee to the above issuer at the end of two years after such
Interest Payment Date.
 
Dated:                   , 19
[To be dated on or after the
relevant Interest Payment Date
]
 
                                          [Morgan Guaranty Trust Company of
                                           New York, Brussels Office, as
                                           Operator of the Euro-clear System]
                                           [CEDEL S.A.]
 
 
                                           By__________________________________
 
 
                                      C-3
<PAGE>
 
                                  EXHIBIT C.4
 
           [FORM OF CERTIFICATE TO BE GIVEN BY BENEFICIAL OWNERS TO
                  OBTAIN INTEREST PRIOR TO AN EXCHANGE DATE]
 
                                  CERTIFICATE
 
                               ----------------
 
            [Insert title or sufficient description of Securities]
 
  This is to certify that as of the Interest Payment Date on [Insert Date] and
except as provided in the third paragraph hereof, none of the above-captioned
Securities held by you for our account was beneficially owned by a United
States person or, if any of such Securities held by you for our account were
beneficially owned by a United States person, such United States person either
provided an Internal Revenue Service Form W-9 with respect to such interest
payment or certified with respect to such interest payment that it was an
exempt recipient as defined in Section 1.6049-4(c)(1)(ii) of the United States
Treasury regulations.
 
  As used herein, "United States person" means any citizen or resident of the
United States, any corporation, partnership or other entity created or
organized in or under the laws of the United States and any estate or trust
the income of which is subject to United States Federal income taxation
regardless of its source, and "United States" means the United States of
America (including the States and the District of Columbia), its territories,
its possessions and other areas subject to its jurisdiction.
 
  This certificate excepts and does not relate to U.S. $principal amount of
the above-captioned Securities appearing in your books as being held for our
account as to which we are not able to certify and as to which we understand
interest cannot be credited unless and until we are able so to certify.
 
  We understand that this certificate may be required in connection with
certain tax legislation in the United States. If administrative or legal
proceedings are commenced or threatened in connection with which this
certificate is or would be relevant, we irrevocably authorize you to produce
this certificate or a copy thereof to any interested party in such
proceedings.
 
Dated:                   , 19
[To be dated on or after the
15th day before the relevant
Interest Payment Date]
 
                                          [Name of Person Entitled to Receive
                                           Interest]
 
 
                                          _____________________________________
                                                  (Authorized Signatory)
                                          Name:
                                          Title:
 
[If the withholding agent is not a foreign branch of a financial institution
described in Section 871(h)(4)(B) of the Internal Revenue Code of 1986, as
amended, and a United States person, this certificate must be signed under
penalties of perjury.]
 
 
                                      C-4

<PAGE>
 
                                                                       Exhibit 5
                             Ameritech Corporation
                             30 South Wacker Drive
                            Chicago, Illinois 60606

                               December 19, 1997


Ameritech Capital Funding Corporation
30 South Wacker Drive
Chicago, Illinois 60606

Ameritech Corporation
30 South Wacker Drive
Chicago, Illinois 60606

Ladies and Gentlemen:

     I have examined the Registration Statement on Form S-3 filed
contemporaneously herewith (the "Registration Statement") by Ameritech Capital
Funding Corporation, a Delaware corporation ("Capital Funding"), and Ameritech
Corporation, a Delaware corporation ("Ameritech"), with the Securities and
Exchange Commission (the "Commission") in connection with the registration under
the Securities Act of 1933, as amended (the "Act"), of up to $1,650,000,000  in
aggregate principal amount of debt securities of Capital Funding (the "Debt
Securities") and the unconditional guarantees of Ameritech to be endorsed on
such Debt Securities (the "Guarantees").  I have also examined the form of
Indenture among Capital Funding, Ameritech and Bank One, N.A. (successor to
Harris Trust and Savings Bank), as trustee (the "Trustee"), under which the Debt
Securities and the Guarantees are proposed to be issued (the "Indenture").

     I have examined such corporate and other records, certificates and
documents and reviewed such questions of law as I have considered necessary or
appropriate for purposes of this opinion. I have assumed the authenticity of all
documents submitted to me as originals and the conformity with the original
documents of any copies of such documents submitted for examination.

     Based upon the foregoing, I am of the opinion that when the Registration
Statement has become effective, and providing no stop order shall have been
issued by the Commission relating thereto, and when the Debt Securities and the
Guarantees, respectively, have been duly executed, authenticated and delivered
against payment therefor in accordance with and in the form set forth in the
Indenture and in accordance with the terms of the shareholder and board of
directors resolutions, as applicable, and officer's certificates of Capital
Funding and Ameritech, the Debt Securities and the Guarantees will constitute
legally issued and binding obligations of Capital Funding and Ameritech,
respectively, except as the enforceability thereof may be limited by bankruptcy,
insolvency, reorganization, moratorium or similar laws affecting creditors'
rights generally and by general equitable principles.
 
<PAGE>
 
     This opinion is limited to the laws of the States of Illinois and Delaware
and to the federal laws of the United States.  I assume no obligation to revise
or supplement this opinion should the present laws of these jurisdictions be
changed by legislative action, judicial decision or otherwise. This opinion is
limited to the specific issues addressed herein, and no opinion may be inferred
or implied beyond that expressly stated herein.

     I hereby consent to the filing of this opinion as an exhibit to the
Registration Statement, and I further consent to the use of my name in the
Prospectus forming a part of the Registration Statement.  In giving this
consent, I do not concede that I am an expert within the meaning of the Act or
the rules and regulations thereunder or that this consent is required by Section
7 of the Act or the rules and regulations of the Commission.

                                          Very truly yours,


                                          /s/ Bruce B. Howat
                                          ----------------------------
                                          Bruce B. Howat
                                          Counsel and Secretary

<PAGE>
 


                                                                       Exhibit 8






                               Winston & Strawn
                             35 West Wacker Drive
                            Chicago, Illinois 60601


                                        December 19, 1997



Ameritech Capital Funding Corporation
30 South Wacker Drive
Chicago, Illinois 60606


Ameritech Corporation
30 South Wacker Drive
Chicago, Illinois 60606



Ladies and Gentlemen:

        We have acted as special counsel for Ameritech Capital Funding
Corporation ("Capital Funding") and Ameritech Corporation ("Ameritech") in
connection with the preparation of the Form S-3 Registration Statement (the
"Registration Statement") filed with the Securities and Exchange Commission
contemporaneously herewith under the Securities Act of 1933, as amended (the
"Act"), which Registration Statement includes a Prospectus (the "Prospectus").
The Prospectus relates to Capital Funding's offer from time to time of debt
securities, in one or more series, in an aggregate principal amount sufficient
to result in net proceeds to Capital Funding of up to U.S. $2,000,000,000 (the
"Debt Securities"). You have requested our opinion as to the accuracy of the
description in the Prospectus of certain federal tax consequences relating to
the Debt Securities.

        We have examined the Prospectus and such other documents and have 
reviewed such questions of law as we have considered necessary or appropriate 
for the purposes of this opinion.

        It is our opinion that the discussion of the federal income tax 
consequences of defeasance under the caption "Defeasance and Discharge" within 
the Prospectus is an accurate description of the material federal income tax 
aspects of a defeasance of the Debt Securities.

        This opinion is not binding upon the Internal Revenue Service, and is 
rendered only as of the date hereof.  We undertake no obligation to update this 
opinion after the date hereof.  Finally, the Code and the Regulations thereunder
are subject to change and new interpretation, both prospectively and 
retroactively, and such changes or new interpretations, as well as changes in 
the facts as they have been represented to or assumed by us, could affect our 
analysis and conclusions.

        We hereby consent to the filing of this opinion as an exhibit to the 
Registration Statement.  In giving this consent, we do not concede that we are 
experts within the meaning of the Act or the rules and regulations thereunder or
that this consent is required by Section 7 of the Act.



                                        Very truly yours,
            


                                        Winston & Strawn

<PAGE>
 
                                                                    Exhibit 23-a



                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation by 
reference in this registration statement of our reports dated January 13, 1997 
included and incorporated by reference in Ameritech Corporation's Annual Report 
on Form 10-K for the year ended December 31, 1996 and to all references to our 
Firm included in this registration statement.

                                           /s/ Arthur Andersen LLP

                                           ARTHUR ANDERSEN LLP


Chicago, Illinois

December 19, 1997

<PAGE>
 
                                                                      Exhibit 24

                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ Donald C. Clark
                                    -----------------------------
                                    Donald C. Clark

STATE OF ILLINOIS  )
COUNTY OF COOK     )

     On the 17th day of December, 1997, personally appeared before me Donald C.
Clark to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                     /s/       Judi L. Anker
                                    -------------------------------------
                                               Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ Hanna Holborn Gray
                                    -----------------------------
                                    Hanna Holborn Gray

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me Hanna
Holborn Gray to me known and known to be the person described in and who
executed the foregoing instrument and such person duly acknowledged that such
person executed and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/        Judi L. Anker
                                    ------------------------------------
                                               Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ James A. Henderson
                                    -----------------------------
                                    James A. Henderson

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me James A.
Henderson to me known and known to be the person described in and who executed
the foregoing instrument and such person duly acknowledged that such person
executed and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker
                                    -----------------------------
                                         Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ Sheldon B. Lubar
                                    -----------------------------
                                    Sheldon B. Lubar

STATE OF ILLINOIS   )
COUNTY OF COOK      ) 

     On the 17th day of December, 1997, personally appeared before me Sheldon B.
Lubar to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker    
                                    -----------------------------
                                         Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ Lynn M. Martin
                                    -----------------------------
                                    Lynn M. Martin

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me Lynn M.
Martin to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker
                                    -----------------------------
                                        Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ Arthur C. Martinez
                                    -----------------------------
                                    Arthur C. Martinez

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me Arthur C.
Martinez to me known and known to be the person described in and who executed
the foregoing instrument and such person duly acknowledged that such person
executed and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker
                                    -----------------------------
                                        Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ John B. McCoy
                                    -----------------------------
                                    John B. McCoy

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me John B.
McCoy to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker
                                    -----------------------------
                                         Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ John D. Ong
                                    -----------------------------
                                    John D. Ong

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me John D.
Ong to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.


                                    /s/ Judi L. Anker
                                    -----------------------------
                                         Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ A. Barry Rand
                                    -----------------------------
                                    A. Barry Rand

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me A. Barry
Rand to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997


                                    /s/ Judi L. Anker
                                    -----------------------------
                                         Notary Public
 
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ James A. Unruh
                                    -----------------------------
                                    James A. Unruh

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me James A.
Unruh to me known and known to be the person described in and who executed the
foregoing instrument and such person duly acknowledged that such person executed
and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker
                                    -----------------------------
                                         Notary Public
 
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as a Director of the Company, with full power to act for
and on behalf of the undersigned in connection with and to execute and file on
behalf of the undersigned, the Registration Statement (and any registration
statement filed pursuant to Rule 462(b) under the Securities Act), and
thereafter to execute and file any amendment or amendments thereto (including
pre-effective and post-effective amendments), hereby giving and granting to said
attorneys full power and authority to do and perform all and every act and thing
whatsoever requisite, necessary or appropriate to be done in and about the
premises as fully, to all intents and purposes, as the undersigned might or
could do if personally present at the doing thereof, hereby ratifying and
confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ Laura D'Andrea Tyson
                                    -----------------------------
                                    Laura D'Andrea Tyson

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me Laura
D'Andrea Tyson to me known and known to be the person described in and who
executed the foregoing instrument and such person duly acknowledged that such
person executed and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker
                                    -----------------------------
                                         Notary Public
<PAGE>
 
                               POWER OF ATTORNEY
                               -----------------

KNOW ALL MEN BY THESE PRESENTS:

     WHEREAS, AMERITECH CORPORATION, a Delaware corporation (the "Company"), and
Ameritech Capital Funding Corporation, a Delaware corporation ("Capital
Funding"), propose to file with the Securities and Exchange Commission, under
the provisions of the Securities Act of 1933, as amended (the "Securities Act"),
a Registration Statement on Form S-3 (the "Registration Statement") with respect
to the registration of up to $3,000,000,000 principal amount of debt securities
of Capital Funding and the guarantees of such debt by the Company which may be
issued from time to time in the future by Capital Funding; and

     WHEREAS, the undersigned is an Officer and a Director of the Company:

     NOW, THEREFORE, THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS O.G.
SHAFFER, B.A. KLEIN AND R.W. PEHLKE and each of them with full power to act
without the others, as attorneys for the undersigned and in the undersigned's
name, place and stead as an Officer and a Director of the Company, with full
power to act for and on behalf of the undersigned in connection with and to
execute and file on behalf of the undersigned, the Registration Statement (and
any registration statement filed pursuant to Rule 462(b) under the Securities
Act), and thereafter to execute and file any amendment or amendments thereto
(including pre-effective and post-effective amendments), hereby giving and
granting to said attorneys full power and authority to do and perform all and
every act and thing whatsoever requisite, necessary or appropriate to be done in
and about the premises as fully, to all intents and purposes, as the undersigned
might or could do if personally present at the doing thereof, hereby ratifying
and confirming all that said attorneys may or shall lawfully do, or cause to be
done, by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this
17th day of December, 1997.


                                    /s/ Richard C. Notebaert
                                    -----------------------------
                                    Richard C. Notebaert
                                    Chairman and Chief Executive Officer

STATE OF ILLINOIS   )
COUNTY OF COOK      )

     On the 17th day of December, 1997, personally appeared before me Richard C.
Notebaert to me known and known to be the person described in and who executed
the foregoing instrument and such person duly acknowledged that such person
executed and delivered the same for the purpose therein expressed.

     WITNESS my hand and official seal this 17th day of December, 1997.

                                    /s/ Judi L. Anker
                                    -----------------------------
                                         Notary Public

<PAGE>
 
                                                                      Exhibit 25

                                                       
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                   FORM T-1

STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION
                         DESIGNATED TO ACT AS TRUSTEE

Check if an Application to Determine Eligibility of a Trustee Pursuant to 
                              Section 305(b)(2)__

                 BANK ONE, N.A. f/k/a BANK ONE, COLUMBUS, N.A.
              (Exact Name of trustee as specified in its charter)

                      Not Applicable                        31-4148768
                 (State of Incorporation                 (I.R.S. Employer
                 if not a national bank)                 Identification No.)

          100 East Broad Street, Columbus, Ohio              43271-0181
    (Address of trustee's principal executive offices)       (Zip Code)

                                  Jon Beacham
                        c/o Bank One Trust Company, NA
                             100 East Broad Street
                           Columbus, Ohio 43271-0181
                                (614) 248-6229
           (Name, address and telephone number of agent for service)

                     AMERITECH CAPITAL FUNDING CORPORATION
              (Exact name of obligor as specified in its charter)

               Delaware                               36-3675771
   (State or other jurisdiction of                 (I.R.S. Employer
    incorporation or organization)                Identification No.)


         30 South Wacker Drive                  
           Chicago, Illinois                            60606
    (Address of principal executive                   (Zip Code)
                office)

                             AMERITECH CORPORATION
             (Exact name of guarantor as specified in its charter)

               Delaware                               36-33251481
   (State or other jurisdiction of                  (I.R.S. Employer 
    incorporation or organization)                Identification No.)    

         30 South Wacker Drive
           Chicago, Illinois                             60606
    (Address of principal executive                   (Zip Code)
                office) 

     Debt Securities to be issued by Ameritech Capital Funding Corporation
             Guarantee of Debt Securities by Ameritech Corporation
                        (Title of Indenture securities)
<PAGE>
 
                                    GENERAL

1.   General Information.
     Furnish the following information as to the trustee:

     (a)  Name and address of each examining or supervising authority to which
          it is subject.

          Comptroller of the Currency, Washington, D.C.

          Federal Reserve Bank of Cleveland, Cleveland, Ohio

          Federal Deposit Insurance Corporation, Washington, D.C.

          The Board of Governors of the Federal Reserve System, Washington, D.C.

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

          The trustee is authorized to exercise corporate trust powers.

2.   Affiliations with Obligor and Underwriters.
     If the obligor is an affiliate of the trustee, describe each such
     affiliation.

     The obligor is not an affiliate of the trustee.

16.  List of Exhibits

     List below all exhibits filed as a part of this statement of eligibility.
     (Exhibits identified in parentheses, on file with the Commission, are
     incorporated herein by reference as exhibits hereto.)

Exhibit 1 - A copy of the Articles of Association of the trustee as now in
effect.

(Exhibit 2 - A copy of the Certificate of Authority of the trustee to commence
business, see Exhibit 2 to Form T-1, filed in connection with Form S-3 relating
to Wheeling-Pittsburgh Corporation 9 3/8% Senior Notes due 2003, Securities and
Exchange Commission File No. 33-50709.)

(Exhibit 3 - A copy of the Authorization of the trustee to exercise corporate
trust powers, see Exhibit 3 to Form T-1, filed in connection with Form S-3
relating to Wheeling-Pittsburgh Corporation 9 3/8% Senior Notes due 2003,
Securities and Exchange Commission File No. 33-50709.)

Exhibit 4 - A copy of the Bylaws of the trustee as now in effect.
<PAGE>
 
Exhibit 5 - Not applicable.

Exhibit 6 - The consent of the trustee required by Section 321(b) of the Trust
Indenture Act of 1939, as amended.

(Exhibit 7 - Report of Condition of the trustee as of the close of business on
June 30, 1997, published pursuant to the requirements of the Comptroller of the
Company, see Exhibit 7 to Form T-1, filed in connection with Form S-4 relating
to National Energy Group, Inc. 10 3/4% Senior Notes due 2006, Securities and
Exchange Commission File No. 333-38075.)

Exhibit 8 - Not applicable.

Exhibit 9 - Not applicable.

Items 3 through 15 are not answered pursuant to General Instruction B which
requires responses to Item 1, 2 and 16 only, if the obligor is not in default.


                                   SIGNATURE

     Pursuant to the requirements of the Trust Indenture Act of 1939, the
Trustee, Bank One, NA, a national banking association organized under the
National Banking Act, has duly caused this statement of eligibility to be signed
on its behalf by the undersigned, thereunto duly authorized, all in the City of
Columbus, and State of Ohio, on the 12th day of December, 1997.


                                       Bank One, NA


                                       By:  /s/ Jon Beacham
                                          --------------------------------------
                                                Jon Beacham
                                                Authorized Signer
<PAGE>
 
Exhibit 1

                   BANK ONE, COLUMBUS, NATIONAL ASSOCIATION

                            ARTICLES OF ASSOCIATION
                            -----------------------

     For the purpose of organizing an association to carry on the business of
banking under the laws of the United States, the following Articles of
Association are entered into:

     FIRST. The title of this Association shall be BANK ONE, COLUMBUS, NATIONAL
ASSOCIATION.

     SECOND. The main office of the Association shall be in Columbus, County of
Franklin, State of Ohio. The general business of the Association shall be
conducted at its main office and its branches.

     THIRD. The Board of Directors of this Association shall consist of not less
than five nor more than twenty-five Directors, the exact number of Directors
within such minimum and maximum limits to be fixed and determined from time-to-
time by resolution of the shareholders at any annual or special meeting thereof,
provided, however, that the Board of Directors, by resolution of a majority
thereof, shall be authorized to increase the number of its members by not more
than two between regular meetings of the shareholders. Each Director, during the
full term of his directorship, shall own, as qualifying shares, the minimum
number of shares of either this Association or of its parent bank holding
company in accordance with the provisions of applicable law. Unless otherwise
provided by the laws of the United States, any vacancy in the Board of Directors
for any reason, including an increase in the number thereof, may be filled by
action of the Board of Directors.

                                      -4-
<PAGE>
 
     FOURTH. The annual meeting of the shareholders for the election of
Directors and the transaction of whatever other business may be brought before
said meeting shall be held at the main office of this Association or such other
place as the Board of Directors may designate, on the day of each year specified
therefor in the By-Laws, but if no election is held on that day, it may be held
on any subsequent business day according to the provisions of law; and all
elections shall be held according to such lawful regulations as may be
prescribed by the Board of Directors.

     FIFTH. The authorized amount of capital stock of this Association shall be
2,073,750 shares of common stock of the par value of Ten Dollars ($10) each; but
said capital stock may be increased or decreased from time-to-time, in
accordance with the provisions of the laws of the United States.

     No holder of shares of the capital stock of any class of the Association
shall have the preemptive or preferential right of subscription to any share of
any class of stock of this Association, whether now or hereafter authorized or
to any obligations convertible into stock of this Association, issued or sold,
nor any right of subscription to any thereof other than such, if any, as the
Board of Directors, in its discretion, may from time-to-time determine and at
such price as the Board of Directors may from time-to-time fix.

     This Association, at any time and from time-to-time, may authorize and
issue debt obligations, whether or not subordinated, without the approval of the
shareholders.

     SIXTH. The Board of Directors shall appoint one of its members President of
the Association, who shall be Chairman of the Board, unless the Board appoints
another director to be the Chairman. The Board of Directors shall have the power
to appoint one or more Vice Presidents and to appoint a Secretary and such other
officers and employees as may be required to transact the business of this
Association.

                                      -5-
<PAGE>
 
     The Board of Directors shall have the power to define the duties of the
officers and employees of this Association; to fix the salaries to be paid to
them; to dismiss them; to require bonds from them and to fix the penalty
thereof; to regulate the manner in which any increase of the capital of this
Association shall be made; to manage and administer the business and affairs of
this Association; to make all By-Laws that it may be lawful for them to make;
and generally to do and perform all acts that it may be legal for a Board of
Directors to do and perform.

     SEVENTH. The Board of Directors shall have the power to change the location
of the main office to any other place within the limits of the City of Columbus,
Ohio, without the approval of the shareholders but subject to the approval of
the Comptroller of the Currency; and shall have the power to establish or change
the location of any branch or branches of this Association to any other
location, without the approval of the shareholders but subject to the approval
of the Comptroller of the Currency.

     EIGHTH. The corporate existence of this Association shall continue until
terminated in accordance with the laws of the United States.

     NINTH. The Board of Directors of this Association, or any three or more
shareholders owning, in the aggregate, not less than 10 percent of the stock of
this Association, may call a special meeting of shareholders at any time. Unless
otherwise provided by the laws of the United States, a notice of the time, place
and purpose of every annual and special meeting of the shareholders shall be
given by first-class mail, postage prepaid, mailed at least ten days prior to
the date of such meeting to each shareholder of record at his address as shown
upon the books of this Association.

                                      -6-
<PAGE>
 
     TENTH. Every person who is or was a Director, officer or employee of the
Association or of any other corporation which he served as a Director, officer
or employee at the request of the Association as part of his regularly assigned
duties may be indemnified by the Association in accordance with the provisions
of this paragraph against all liability (including, without limitation,
judgments, fines, penalties and settlements) and all reasonable expenses
(including, without limitation, attorneys' fees and investigative expenses) that
may be incurred or paid by him in connection with any claim, action, suit or
proceeding, whether civil, criminal or administrative (all referred to hereafter
in this paragraphs as "Claims") or in connection with any appeal relating
thereto in which he may become involved as a party or otherwise or with which he
may be threatened by reason of his being or having been a Director, officer or
employee of the Association or such other corporation, or by reason of any
action taken or omitted by him in his capacity as such Director, officer or
employee, whether or not he continues to be such at the time such liability or
expenses are incurred, provided that nothing contained in this paragraph shall
be construed to permit indemnification of any such person who is adjudged guilty
of, or liable for, willful misconduct, gross neglect of duty or criminal acts,
unless, at the time such indemnification is sought, such indemnification in such
instance is permissible under applicable law and regulations, including
published rulings of the Comptroller of the Currency or other appropriate
supervisory or regulatory authority, and provided further that there shall be no
indemnification of directors, officers, or employees against expenses,
penalties, or other payments incurred in an administrative proceeding or action
instituted by an appropriate regulatory agency which proceeding or action
results in a final order assessing civil money penalties or requiring
affirmative action by an individual or individuals in the form of payments to
the Association. Every person who may be indemnified under the provisions of
this paragraph and who has been wholly successful on the merits with respect to
any Claim shall be entitled to indemnification as of right. Except as provided
in the preceding sentence, any indemnification under this paragraph shall be at
the sole discretion of the Board of Directors and shall be made only if the
Board of Directors or the Executive Committee acting by a quorum consisting of

                                      -7-
<PAGE>
 
Directors who are not parties to such Claim shall find or if independent legal
counsel (who may be the regular counsel of the Association) selected by the
Board of Directors or Executive Committee whether or not a disinterested quorum
exists shall render their opinion that in view of all of the circumstances then
surrounding the Claim, such indemnification is equitable and in the best
interests of the Association. Among the circumstances to be taken into
consideration in arriving at such a finding or opinion is the existence or non-
existence of a contract of insurance or indemnity under which the Association
would be wholly or partially reimbursed for such indemnification, but the
existence or non-existence of such insurance is not the sole circumstance to be
considered nor shall it be wholly determinative of whether such indemnification
shall be made. In addition to such finding or opinion, no indemnification under
this paragraph shall be made unless the Board of Directors or the Executive
Committee acting by a quorum consisting of Directors who are not parties to such
Claim shall find or if independent legal counsel (who may be the regular counsel
of the Association) selected by the Board of Directors or Executive Committee
whether or not a disinterested quorum exists shall render their opinion that the
Director, officer or employee acted in good faith in what he reasonably believed
to be the best interests of the Association or such other corporation and
further in the case of any criminal action or proceeding, that the Director,
officer or employee reasonably believed his conduct to be lawful. Determination
of any Claim by judgment adverse to a Director, officer or employee by
settlement with or without Court approval or conviction upon a plea of guilty or
of nolocontendere or its equivalent shall not create a presumption that a
Director, officer or employee failed to meet the standards of conduct set forth
in this paragraph. Expenses incurred with respect to any Claim may be advanced
by the Association prior to the final disposition thereof upon receipt of an
undertaking satisfactory to the Association by or on behalf of the recipient to
repay such amount unless it is ultimately determined that he is entitled to
indemnification under this paragraph. The rights of indemnification provided in
this paragraph shall be in addition to any rights to which any Director, officer
or employee may otherwise be entitled by contract or as a matter of law.

                                      -8-
<PAGE>
 
Every person who shall act as a Director, officer or employee of this
Association shall be conclusively presumed to be doing so in reliance upon the
right of indemnification provided for in this paragraph.

     ELEVENTH. These Articles of Association may be amended at any regular or
special meeting of the shareholders by the affirmative vote of the holders of a
majority of the stock of this Association, unless the vote of the holders of a
greater amount of stock is required by law, and in that case by the vote of the
holders of such greater amount.

                                      -9-
<PAGE>
 
Exhibit 4

                                    BY-LAWS
                                       OF
                    BANK ONE, COLUMBUS, NATIONAL ASSOCIATION

                                   ARTICLE I
                            MEETING OF SHAREHOLDERS

SECTION 1.01. ANNUAL MEETING. The regular annual meeting of the Shareholders of
the Bank for the election of Directors and for the transaction of such business
as may properly come before the meeting shall be held at its main banking house,
or other convenient place duly authorized by the Board of Directors, on the
third Monday of January of each year, or on the next succeeding banking day, if
the day fixed falls on a legal holiday. If from any cause, an election of
directors is not made on the day fixed for the regular meeting of shareholders
or, in the event of a legal holiday, on the next succeeding banking day, the
Board of Directors shall order the election to be held on some subsequent day,
as soon thereafter as practicable, according to the provisions of law; and
notice thereof shall be given in the manner herein provided for the annual
meeting. Notice of such annual meeting shall be given by or under the direction
of the Secretary or such other officer as may be designated by the Chief
Executive Officer by first-class mail, postage prepaid, to all shareholders of
record of the Bank at their respective addresses as shown upon the books of the
Bank mailed not less than ten days prior to the date fixed for such meeting.

SECTION 1.02. SPECIAL MEETINGS. A special meeting of the shareholders of this
Bank may be called at any time by the Board of Directors or by any three or more
shareholders owning, in the aggregate, not less than ten percent of the stock of
this Bank. The notice of any special meeting of the shareholders called by the
Board of Directors, stating the time, place and purpose of the meeting, shall be
given by or under the direction of the Secretary, or such other officer as is
designated by the Chief Executive Officer, by first-class mail, postage prepaid,
to all shareholders of

                                      -10-
<PAGE>
 
record of the Bank at their respective addresses as shown upon the books of the
Bank, mailed not less than ten days prior to the date fixed for such meeting.

   Any special meeting of shareholders shall be conducted and its proceedings
recorded in the manner prescribed in these By-Laws for annual meetings of
shareholders.

SECTION 1.03. SECRETARY OF SHAREHOLDERS' MEETING. The Board of Directors may
designate a person to be the Secretary of the meetings of shareholders. In the
absence of a presiding officer, as designated in these By-Laws, the Board of
Directors may designate a person to act as the presiding officer. In the event
the Board of Directors fails to designate a person to preside at a meeting of
shareholders and a Secretary of such meeting, the shareholders present or
represented shall elect a person to preside and a person to serve as Secretary
of the meeting.

   The Secretary of the meetings of shareholders shall cause the returns made by
the judges and election and other proceedings to be recorded in the minute book
of the Bank. The presiding officer shall notify the directors-elect of their
election and to meet forthwith for the organization of the new board.

   The minutes of the meeting shall be signed by the presiding officer and the
Secretary designated for the meeting.

SECTION 1.04. JUDGES OF ELECTION. The Board of Directors may appoint as many as
three shareholders to be judges of the election, who shall hold and conduct the
same, and who shall, after the election has been held, notify, in writing over
their signatures, the secretary of the shareholders' meeting of the result
thereof and the names of the Directors elected; provided, however, that upon
failure for any reason of any judge or judges of election, so appointed by the
directors, to serve, the presiding officer of the meeting shall appoint other
shareholders or their proxies to fill the vacancies. The judges of election at
the request of the chairman of the

                                      -11-
<PAGE>
 
meeting, shall act as tellers of any other vote by ballot taken at such meeting,
and shall notify, in writing over their signatures, the secretary of the Board
of Directors of the result thereof.

SECTION 1.05. PROXIES. In all elections of Directors, each shareholder of
record, who is qualified to vote under the provisions of Federal Law, shall have
the right to vote the number of shares of record in his name for as many persons
as there are Directors to be elected, or to cumulate such shares as provided by
Federal Law. In deciding all other questions at meetings of shareholders, each
shareholder shall be entitled to one vote on each share of stock of record in
his name. Shareholders may vote by proxy duly authorized in writing. All proxies
used at the annual meeting shall be secured for that meeting only, or any
adjournment thereof, and shall be dated, and if not dated by the shareholder,
shall be dated as of the date of receipt thereof. No officer or employee of this
Bank may act as proxy.

SECTION 1.06. QUORUM. Holders of record of a majority of the shares of the
capital stock of the Bank, eligible to be voted, present either in person or by
proxy, shall constitute a quorum for the transaction of business at any meeting
of shareholders, but shareholders present at any meeting and constituting less
than a quorum may, without further notice, adjourn the meeting from time to time
until a quorum is obtained. A majority of the votes cast shall decide every
question or matter submitted to the shareholders at any meeting, unless
otherwise provided by law or by the Articles of Association.

                                      -12-
<PAGE>
 
                                   ARTICLE II

                                   DIRECTORS

SECTION 2.01. MANAGEMENT OF THE BANK. The business of the Bank shall be managed
by the Board of Directors. Each director of the Bank shall be the beneficial
owner of a substantial number of shares of BANC ONE CORPORATION and shall be
employed either in the position of Chief Executive Officer or active leadership
within his or her business, professional or community interest which shall be
located within the geographic area in which the Bank operates, or as an
executive officer of the Bank. A director shall not be eligible for nomination
and re-election as a director of the Bank if such person's executive or
leadership position within his or her business, professional or community
interests which qualifies such person as a director of Bank terminates. The age
of 70 is the mandatory retirement age as a director of the Bank. When a person's
eligibility as director of the Bank terminates, whether because of change in
share ownership, position, residency or age, within 30 days after such
termination, such person shall submit his resignation as a director to be
effective at the pleasure of the Board provided, however, that in no event shall
such person be nominated or elected as a director. Provided, however, following
a person's retirement or resignation as a director because of the age
limitations herein set forth with respect to election or re-election as a
director, such person may, in special or unusual circumstances, and at the
discretion of the Board, be elected by the directors as a Director Emeritus of
the Bank for a limited period of time. A Director Emeritus shall have the right
to participate in board meetings but shall be without the power to vote and
shall be subject to re-election by the Board at its organizational meeting
following the Bank's annual meeting of shareholders.

SECTION 2.02. QUALIFICATIONS. Each director shall have the qualification
prescribed by law. No person elected a director may exercise any of the powers
of his office until he has taken the oath of such office.

                                      -13-
<PAGE>
 
SECTION 2.03. TERM OF OFFICE/VACANCIES. A director shall hold office until the
annual meeting for the year in which his term expires and until his successor
shall be elected and shall qualify, subject, however, to his prior death,
resignation, or removal from office. Whenever any vacancy shall occur among the
directors, the remaining directors shall constitute the directors of the Bank
until such vacancy is filled by the remaining directors, and any director so
appointed shall hold office for the unexpired term of his or her successor.
Notwithstanding the foregoing, each director shall hold office and serve at the
pleasure of the Board.

SECTION 2.04. ORGANIZATION MEETING. The directors elected by the share-holders
shall meet for organization of the new board at the time fixed by the presiding
officer of the annual meeting. If at the time fixed for such meeting there is no
quorum present, the Directors in attendance may adjourn from time to time until
a quorum is obtained. A majority of the number of Directors elected by the
shareholders shall constitute a quorum for the transaction of business.

SECTION 2.05. REGULAR MEETINGS. The regular meetings of the Board of Directors
shall be held on the third Monday of each calendar month excluding March and
July, which meeting will be held at 4:00 p.m. When any regular meeting of the
Board falls on a holiday, the meeting shall be held on such other day as the
Board may previously designate or should the Board fail to so designate, on such
day as the Chairman of the Board of President may fix. Whenever a quorum is not
present, the directors in attendance shall adjourn the meeting to a time not
later than the date fixed by the Bylaws for the next succeeding regular meeting
of the Board.

SECTION 2.06. SPECIAL MEETINGS. Special meetings of the Board of Directors shall
be held at the call of the Chairman of the Board or President, or at the request
of two or more Directors. Any special meeting may be held at such place in
Franklin County, Ohio, and at such time as may be fixed in the call. Written or
oral notice shall be given to each Director not later than the day next
preceding the day on which special meeting is to be held, which notice may be
waived in writing.

                                      -14-
<PAGE>
 
The presence of a Director at any meeting of the Board shall be deemed a waiver
of notice thereof by him. Whenever a quorum is not present the Directors in
attendance shall adjourn the special meeting from day to day until a quorum is
obtained.

SECTION 2.07. QUORUM. A majority of the Directors shall constitute a quorum at
any meeting, except when otherwise provided by law; but a lesser number may
adjourn any meeting, from time-to-time, and the meeting may be held, as
adjourned, without further notice. When, however, less than a quorum as herein
defined, but at least one-third and not less than two of the authorized number
of Directors are present at a meeting of the Directors, business of the Bank may
be transacted and matters before the Board approved or disapproved by the
unanimous vote of the Directors present.

SECTION 2.08. COMPENSATION. Each member of the Board of Directors shall receive
such fees for, and transportation expenses incident to, attendance at Board and
Board Committee Meetings and such fees for service as a Director irrespective of
meeting attendance as from time to time are fixed by resolution of the Board;
provided, however, that payment hereunder shall not be made to a Director for
meetings attended and/or Board service which are not for the Bank's sole benefit
and which are concurrent and duplicative with meetings attended or board service
for an affiliate of the Bank for which the Director receives payment; and
provided further, that payment hereunder shall not be made in the case of any
Director in the regular employment of the Bank or of one of its affiliates.

SECTION 2.09. EXECUTIVE COMMITTEE. There shall be a standing committee of the
Board of Directors known as the Executive Committee which shall possess and
exercise, when the Board is not in session, all powers of the Board that may
lawfully be delegated. The Executive Committee shall also exercise the powers of
the Board of Directors in accordance with the Provisions of the "Employees
Retirement Plan" and the "Agreement and Declaration of Trust" as the same now

                                      -15-
<PAGE>
 
exist or may be amended hereafter. The Executive Committee shall consist of not
fewer than four board members, including the Chairman of the Board and President
of the Bank, one of whom, as hereinafter required by these By-laws, shall be the
Chief Executive Officer. The other members of the Committee shall be appointed
by the Chairman of the Board or by the President, with the approval of the Board
and shall continue as members of the Executive Committee until their successors
are appointed, provided, however, that any member of the Executive Committee may
be removed by the Board upon a majority vote thereof at any regular or special
meeting of the Board. The Chairman or President shall fill any vacancy in the
Committee by the appointment of another Director, subject to the approval of the
Board of Directors. The regular meetings of the Executive Committee shall be
held on a regular basis as scheduled by the Board of Directors. Special meetings
of the Executive Committee shall be held at the call of the Chairman or
President or any two members thereof at such time or times as may be designated.
In the event of the absence of any member or members of the Committee, the
presiding member may appoint a member or members of the Board to fill the place
or places of such absent member or members to serve during such absence. Not
fewer than three members of the Committee must be present at any meeting of the
Executive Committee to constitute a quorum, provided, however that with regard
to any matters on which the Executive Committee shall vote, a majority of the
Committee members present at the meeting at which a vote is to be taken shall
not be officers of the Bank and, provided further, that if, at any meeting at
which the Chairman of the Board and President are both present, Committee
members who are not officers are not in the majority, then the Chairman of the
Board or President, which ever of such officers is not also the Chief Executive
Officer, shall not be eligible to vote at such meeting and shall not be
recognized for purposes of determining if a quorum is present at such meeting.
When neither the Chairman of the Board nor President are present, the Committee
shall appoint a presiding officer. The Executive Committee shall keep a record
of its proceedings and report its proceedings and the action taken by it to the
Board of Directors.

                                     -16-

<PAGE>
 
SECTION 2.10 COMMUNITY REINVESTMENT ACT AND COMPLIANCE POLICY COMMITTEE. There
shall be a standing committee of the Board of Directors known as the Community
Reinvestment Act and Compliance Policy Committee the duties of which shall be,
at least once in each calendar year, to review, develop and recommend policies
and programs related to the Bank's Community Reinvestment Act Compliance and
regulatory compliance with all existing statutes, rules and regulations
affecting the Bank under state and federal law. Such Committee shall provide and
promptly make a full report of such review of current Bank policies with regard
to Community Reinvestment Act and regulatory compliance in writing to the Board,
with recommendations, if any, which may be necessary to correct any
unsatisfactory conditions. Such Committee may, in its discretion, in fulfilling
its duties, utilize the Community Reinvestment Act officers of the Bank, Banc
One Ohio Corporation and Banc One Corporation and may engage outside Community
Reinvestment Act experts, as approved by the Board, to review, develop and
recommend policies and programs as herein required. The Community Reinvestment
Act and regulatory compliance policies and procedures established and the
recommendations made shall be consistent with, and shall supplement, the
Community Reinvestment Act and regulatory compliance programs, policies and
procedures of Banc One Corporation and Banc One Ohio Corporation. The Community
Reinvestment Act and Compliance Policy Committee shall consist of not fewer than
four board members, one of whom shall be the Chief Executive Officer and a
majority of whom are not officers of the Bank. Not fewer than three members of
the Committee, a majority of whom are not officers of the Bank, must be present
to constitute a quorum. The Chairman of the Board or President of the Bank,
whichever is not the Chief Executive Officer, shall be an ex officio member of
the Community Reinvestment Act and Compliance Policy Committee. The Community
Reinvestment Act and Compliance Policy Committee, whose chairman shall be
appointed by the Board, shall keep a record of its proceedings and report its
proceedings and the action taken by it to the Board of Directors.

                                     -17-

<PAGE>
 
SECTION 2.11. TRUST COMMITTEES. There shall be two standing Committees known as
the Trust Management Committee and the Trust Examination Committee appointed as
hereinafter provided.

SECTION 2.12. OTHER COMMITTEES. The Board of Directors may appoint such special
committees from time to time as are in its judgment necessary in the interest of
the Bank.

                                     -18-

<PAGE>
 
                                  ARTICLE III

                   OFFICERS, MANAGEMENT STAFF AND EMPLOYEES

SECTION 3.01.  OFFICERS AND MANAGEMENT STAFF.

   (a) The officers of the Bank shall include a President, Secretary and
       Security Officer and may include a Chairman of the Board, one or more
       Vice Chairmen, one or more Vice Presidents (which may include one or more
       Executive Vice Presidents and/or Senior Vice Presidents) and one or more
       Assistant Secretaries, all of whom shall be elected by the Board. All
       other officers may be elected by the Board or appointed in writing by the
       Chief Executive Officer. The salaries of all officers elected by the
       Board shall be fixed by the Board. The Board from time-to-time shall
       designate the President or Chairman of the Board to serve as the Bank's
       Chief Executive Officer.

   (b) The Chairman of the Board, if any, and the President shall be elected by
       the Board from their own number. The President and Chairman of the Board
       shall be re-elected by the Board annually at the organizational meeting
       of the Board of Directors following the Annual Meeting of Shareholders.
       Such officers as the Board shall elect from their own number shall hold
       office from the date of their election as officers until the organization
       meeting of the Board of Directors following the next Annual Meeting of
       Shareholders, provided, however, that such officers may be relieved of
       their duties at any time by action of the Board in which event all the
       powers incident to their office shall immediately terminate.

   (c) Except as provided in the case of the elected officers who are members of
       the Board, all officers, whether elected or appointed, shall hold office
       at the pleasure of the Board. Except as otherwise limited by law or these
       By-laws, the Board assigns to Chief Executive Officer and/or his

                                     -19-

<PAGE>
 
       designees the authority to appoint and dismiss any elected or appointed
       officer or other member of the Bank's management staff and other
       employees of the Bank, as the person in charge of and responsible for any
       branch office, department, section, operation, function, assignment or
       duty in the Bank.

   (d) The management staff of the Bank shall include officers elected by
       the Board, officers appointed by the Chief Executive Officer, and such
       other persons in the employment of the Bank who, pursuant to written
       appointment and authorization by a duly authorized officer of the Bank,
       perform management functions and have management responsibilities. Any
       two or more offices may be held by the same person except that no person
       shall hold the office of Chairman of the Board and/or President and at
       the same time also hold the office of Secretary.

   (e) The Chief Executive Officer of the Bank and any other officer of the
       Bank, to the extent that such officer is authorized in writing by the
       Chief Executive Officer, may appoint persons other than officers who are
       in the employment of the Bank to serve in management positions and in
       connection therewith, the appointing officer may assign such title,
       salary, responsibilities and functions as are deemed appropriate by him,
       provided, however, that nothing contained herein shall be construed as
       placing any limitation on the authority of the Chief Executive Officer as
       provided in this and other sections of these By-Laws.

SECTION 3.02. CHIEF EXECUTIVE OFFICER. The Chief Executive Officer of the Bank
shall have general and active management of the business of the Bank and shall
see that all orders and resolutions of the Board of Directors are carried into
effect. Except as otherwise prescribed or limited by these By-Laws, the Chief
Executive Officer shall have full right, authority and power to control all
personnel, including elected and appointed officers, of the Bank, to employ or
direct the

                                     -20-

<PAGE>
 
employment of such personnel and officers as he may deem necessary, including
the fixing of salaries and the dismissal of them at pleasure, and to define and
prescribe the duties and responsibility of all Officers of the Bank, subject to
such further limitations and directions as he may from time-to-time deem proper.
The Chief Executive Officer shall perform all duties incident to his office and
such other and further duties, as may, from time-to-time, be required of him by
the Board of Directors or the shareholders. The specification of authority in
these By-Laws wherever and to whomever granted shall not be construed to limit
in any manner the general powers of delegation granted to the Chief Executive
Officer in conducting the business of the Bank. The Chief Executive Officer or,
in his absence, the Chairman of the Board or President of the Bank, as
designated by the Chief Executive Officer, shall preside at all meetings of
shareholders and meetings of the Board. In the absence of the Chief Executive
Officer, such officer as is designated by the Chief Executive Officer shall be
vested with all the powers and perform all the duties of the Chief Executive
Officer as defined by these By-Laws. When designating an officer to serve in his
absence, the Chief Executive Officer shall select an officer who is a member of
the Board of Directors whenever such officer is available.

SECTION 3.03. POWERS OF OFFICERS AND MANAGEMENT STAFF. The Chief Executive
Officer, the Chairman of the Board, the President, and those officers so
designated and authorized by the Chief Executive Officer are authorized for an
on behalf of the Bank, and to the extent permitted by law, to make loans and
discounts; to purchase or acquire drafts, notes, stock, bonds, and other
securities for investment of funds held by the Bank; to execute and purchase
acceptances; to appoint, empower and direct all necessary agents and attorneys;
to sign and give any notice required to be given; to demand payment and/or to
declare due for any default any debt or obligation due or payable to the Bank
upon demand or authorized to be declared due; to foreclose any mort- gages, to
exercise any option, privilege or election to forfeit, terminate, extend or
renew any lease; to authorize and direct any proceedings for the collection of
any money or for the enforcement

                                     -21-
<PAGE>
 
of any right or obligation; to adjust, settle and compromise all claims of every
kind and description in favor of or against the Bank, and to give receipts,
releases and discharges therefor; to borrow money and in connection therewith to
make, execute and deliver notes, bonds or other evidences of indebtedness; to
pledge or hypothecate any securities or any stocks, bonds, notes or any property
real or personal held or owned by the Bank, or to rediscount any notes or other
obligations held or owned by the Bank, to employ or direct the employment of all
personnel, including elected and appointed officers, and the dismissal of them
at pleasure, and in furtherance of and in addition to the powers hereinabove set
forth to do all such acts and to take all such proceedings as in his judgment
are necessary and incidental to the operation of the Bank.

     Other persons in the employment of the Bank, including but not limited to
officers and other members of the management staff, may be authorized by the
Chief Executive Officer, or by an officer so designated and authorized by the
chief Executive Officer, to perform the powers set forth above, subject,
however, to such limitations and conditions as are set forth in the
authorization given to such persons.

SECTION 3.04. SECRETARY. The Secretary or such other officers as may be
designated by the Chief Executive Officer shall have supervision and control of
the records of the Bank and, subject to the direction of the Chief Executive
Officer, shall undertake other duties and functions usually performed by a
corporate secretary. Other officers may be designated by the Chief Executive
Officer or the Board of Directors as Assistant Secretary to perform the duties
of the Secretary.

SECTION 3.05. EXECUTION OF DOCUMENTS. The Chief Executive Officer, Chairman of
the Board, President, any officer being a member of the Bank's management staff
who is also a person in charge of and responsible for any department within the
Bank and any other officer to the extent such officer is so designated and
authorized by the Chief Executive Officer, the Chairman of the Board, the
President, or any other officer who is a member of the Bank's management staff
who is in charge of and responsible for any department within

                                     -22-
<PAGE>
 
the Bank, are hereby authorized on behalf of the Bank to sell, assign, lease,
mortgage, transfer, deliver and convey any real or personal property now or
hereafter owned by or standing in the name of the Bank or its nominee, or held
by this Bank as collateral security, and to execute and deliver such deeds,
contracts, leases, assignments, bills of sale, transfers or other papers or
documents as may be appropriate in the circumstances; to execute any loan
agreement, security agreement, commitment letters and financing statements and
other documents on behalf of the Bank as a lender; to execute purchase orders,
documents and agreements entered into by the Bank in the ordinary course of
business, relating to purchase, sale, exchange or lease of services, tangible
personal property, materials and equipment for the use of the Bank; to execute
powers of attorney to perform specific or general functions in the name of or on
behalf of the Bank; to execute promissory notes or other instruments evidencing
debt of the Bank; to execute instruments pledging or releasing securities for
public funds, documents submitting public fund bids on behalf of the Bank and
public fund contracts; to purchase and acquire any real or personal property
including loan portfolios and to execute and deliver such agreements, contracts
or other papers or documents as may be appropriate in the circumstances; to
execute any indemnity and fidelity bonds, proxies or other papers or documents
of like or different character necessary, desirable or incidental to the conduct
of its banking business; to execute and deliver settlement agreements or other
papers or documents as may be appropriate in connection with a dismissal
authorized by Section 3.01(c) of these By-laws; to execute agreements,
instruments, documents, contracts or other papers of like or difference
character necessary, desirable or incidental to the conduct of its banking
business; and to execute and deliver partial releases from and discharges or
assignments of mortgages, financing statements and assignments or surrender of
insurance policies, now or hereafter held by this Bank.


     The Chief Executive Officer, Chairman of the Board, President, any officer
being a member of the Bank's management staff who is also a person in charge of
and responsible for any department within the Bank, and any other officer of the
Bank so designated and authorized by the Chief Executive Officer, Chairman of
the

                                     -23-
<PAGE>
 
Board, President or any officer who is a member of the Bank's management staff
who is in charge of and responsible for any department within the Bank are
authorized for and on behalf of the Bank to sign and issue checks, drafts, and
certificates of deposit; to sign and endorse bills of exchange, to sign and
countersign foreign and domestic letters of credit, to receive and receipt for
payments of principal, interest, dividends, rents, fees and payments of every
kind and description paid to the Bank, to sign receipts for property acquired by
or entrusted to the Bank, to guarantee the genuineness of signatures on
assignments of stocks, bonds or other securities, to sign certifications of
checks, to endorse and deliver checks, drafts, warrants, bills, notes,
certificates of deposit and acceptances in all business transactions of the
Bank.

     Other persons in the employment of the Bank and of its subsidiaries,
including but not limited to officers and other members of the management staff,
may be authorized by the Chief Executive Officer, Chairman of the Board,
President or by an officer so designated by the Chief Executive Officer,
Chairman of the Board, or President to perform the acts and to execute the
documents set forth above, subject, however, to such limitations and conditions
as are contained in the authorization given to such person.

SECTION 3.06. PERFORMANCE BOND. All officers and employees of the Bank shall be
bonded for the honest and faithful performance of their duties for such amount
as may be prescribed by the Board of Directors.


                                     -24-
<PAGE>
 
                                  ARTICLE IV
                                  ----------
                               TRUST DEPARTMENT
                               ----------------

SECTION 4.01. TRUST DEPARTMENT. Pursuant to the fiduciary powers granted to this
Bank under the provisions of Federal Law and Regulations of the Comptroller of
the Currency, there shall be maintained a separate Trust Department of the Bank,
which shall be operated in the manner specified herein.

SECTION 4.02. TRUST MANAGEMENT COMMITTEE. There shall be a standing Committee
known as the Trust Management Committee, consisting of at least five members, a
majority of whom shall not be officers of the Bank. The Committee shall consist
of the Chairman of the Board who shall be Chairman of the Committee, the
President, and at least three other Directors appointed by the Board of
Directors and who shall continue as members of the Committee until their
successors are appointed. Any vacancy in the Trust Management Committee may be
filled by the Board at any regular or special meeting. In the event of the
absence of any member or members, such Committee may, in its discretion, appoint
members of the Board to fill the place of such absent members to serve during
such absence. Three members of the Committee shall constitute a quorum. Any
member of the Committee may be removed by the Board by a majority vote at any
regular or special meeting of the Board. The Committee shall meet at such times
as it may determine or at the call of the Chairman, or President or any two
members thereof.

     The Trust Management Committee, under the general direction of the Board of
Directors, shall supervise the policy of the Trust Department which shall be
formulated and executed in accordance with Law, Regulations of the Comptroller
of the Currency, and sound fiduciary principles.

                                     -25-
<PAGE>
 
SECTION 4.03. TRUST EXAMINATION COMMITTEE. There shall be a standing Committee
known as the Trust Examination Committee, consisting of three directors
appointed by the Board of Directors and who shall continue as members of the
committee until their successors are appointed. Such members shall not be active
officers of the Bank. Two members of the Committee shall constitute a quorum.
Any member of the Committee may be removed by the Board by a majority vote at
any regular or special meeting of the Board. The Committee shall meet at such
times as it may determine or at the call of two members thereof.

     This Committee shall, at least once during each calendar year and within
fifteen months of the last such audit, or at such other time(s) as may be
required by Regulations of the Comptroller of the Currency, make suitable audits
of the Trust Department or cause suitable audits to be made by auditors
responsible only to the Board of Directors, and at such time shall ascertain
whether the Department has been administered in accordance with Law, Regulations
of the Comptroller of the Currency and sound fiduciary principles.

     The Committee shall promptly make a full report of such audits in writing
to the Board of Directors of the Bank, together with a recommendation as to what
action, if any, may be necessary to correct any unsatisfactory condition. A
report of the audits together with the action taken thereon shall be noted in
the Minutes of the Board of Directors and such report shall be a part of the
records of this Bank.

SECTION 4.04. MANAGEMENT. The Trust Department shall be under the management and
supervision of an officer of the Bank or of the trust affiliate of the Bank
designated by and subject to the advice and direction of the Chief Executive
Officer. Such officer having supervisory responsibility over the Trust
Department shall do or cause to be done all things necessary or proper in
carrying on the business of the Trust Department in accordance with provisions 
of law and applicable regulations.

                                     -26-
<PAGE>
 
SECTION 4.05. HOLDING OF PROPERTY. Property held by the Trust Department may be
carried in the name of the Bank in its fiduciary capacity, in the name of Bank,
or in the name of a nominee or nominees.

SECTION 4.06. TRUST INVESTMENTS. Funds held by the Bank in a fiduciary capacity
awaiting investment or distribution shall not be held uninvested or
undistributed any longer than is reasonable for the proper management of the
account and shall be invested in accordance with the instrument establishing a
fiduciary relationship and local law. Where such instrument does not specify the
character or class of investments to be made and does not vest in the Bank any
discretion in the matter, funds held pursuant to such instrument shall be
invested in any investment which corporate fiduciaries may invest under local
law.

     The investments of each account in the Trust Department shall be kept
separate from the assets of the Bank, and shall be placed in the joint custody
or control of not less than two of the officers or employees of the Bank or of
the trust affiliate of the Bank designated for the purpose by the Trust
Management Committee.

SECTION 4.07. EXECUTION OF DOCUMENTS. The Chief Executive Officer, Chairman of
the Board, President, any officer of the Trust Department, and such other
officers of the trust affiliate of the Bank as are specifically designated and
authorized by the Chief Executive Officer, the President, or the officer in
charge of the Trust Department, are hereby authorized, on behalf of this Bank,
to sell, assign, lease, mortgage, transfer, deliver and convey any real property
or personal property and to purchase and acquire any real or personal property
and to execute and deliver such agreements, contracts, or other papers and
documents as may be appropriate in the circumstances for property now or
hereafter owned by or standing in the name of this Bank, or its nominee, in any
fiduciary capacity, or in the name of any principal for whom this Bank may now
or hereafter be acting under a power of attorney, or as agent and to execute and
deliver partial releases from

                                     -27-
<PAGE>
 
any discharges or assignments or mortgages and assignments or surrender of
insurance policies, to execute and deliver deeds, contracts, leases,
assignments, bills of sale, transfers or such other papers or documents as may
be appropriate in the circumstances for property now or hereafter held by this
Bank in any fiduciary capacity or owned by any principal for whom this Bank may
now or hereafter be acting under a power of attorney or as agent; to execute and
deliver settlement agreements or other papers or documents as may be appropriate
in connection with a dismissal authorized by Section 3.01(c) of these By-laws;
provided that the signature of any such person shall be attested in each case by
any officer of the Trust Department or by any other person who is specifically
authorized by the Chief Executive Officer, the President or the officer in
charge of the Trust Department.

     The Chief Executive Officer, Chairman of the Board, President, any officer
of the Trust Department and such other officers of the trust affiliate of the
Bank as are specifically designated and authorized by the Chief Executive
Officer, the President, or the officer in charge of the Trust Department, or any
other person or corporation as is specifically authorized by the Chief Executive
Officer, the President or the officer in charge of the Trust Department, are
hereby authorized on behalf of this Bank, to sign any and all pleadings and
papers in probate and other court proceedings, to execute any indemnity and
fidelity bonds, trust agreements, proxies or other papers or documents of like
or different character necessary, desirable or incidental to the appointment of
the Bank in any fiduciary capacity and the conduct of its business in any
fiduciary capacity; also to foreclose any mortgage, to execute and deliver
receipts for payments of principal, interest, dividends, rents, fees and
payments of every kind and description paid to the Bank; to sign receipts for
property acquired or entrusted to the Bank; also to sign stock or bond
certificates on behalf of this Bank in any fiduciary capacity and on behalf of
this Bank as transfer agent or registrar; to guarantee the genuineness of
signatures on assignments of stocks, bonds or other securities, and to
authenticate bonds, debentures, land or lease trust certificates or other forms
of security issued pursuant to any indenture under which this Bank now or
hereafter is acting as

                                     -28-
<PAGE>
 
Trustee. Any such person, as well as such other persons as are specifically
authorized by the Chief Executive Officer or the officer in charge of the Trust
Department, may sign checks, drafts and orders for the payment of money executed
by the Trust Department in the course of its business.

SECTION 4.08. VOTING OF STOCK. The Chairman of the Board, President, any officer
of the Trust Department, any officer of the trust affiliate of the Bank and such
other persons as may be specifically authorized by Resolution of the Trust
Management Committee or the Board of Directors, may vote shares of stock of a
corporation of record on the books of the issuing company in the name of the
Bank or in the name of the Bank as fiduciary, or may grant proxies for the
voting of such stock of the granting if same is permitted by the instrument
under which the Bank is acting in a fiduciary capacity, or by the law applicable
to such fiduciary account. In the case of shares of stock which are held by a
nominee of the Bank, such shares may be voted by such person(s) authorized by
such nominee.

                                     -29-
<PAGE>
 
                                   ARTICLE V
                                   ---------
                         STOCKS AND STOCK CERTIFICATES
                         -----------------------------

SECTION 5.01. STOCK CERTIFICATES. The shares of stock of the Bank shall be
evidenced by certificates which shall bear the signature of the Chairman of the
Board, the President, or a Vice President (which signature may be engraved,
printed or impressed), and shall be signed manually by the Secretary, or any
other officer appointed by the Chief Executive Officer for that purpose.

     In case any such officer who has signed or whose facsimile signature has
been placed upon such certificate shall have ceased to be such before such
certificate is issued, it may be issued by the Bank with the same effect as if
such officer had not ceased to be such at the time of its issue. Each such
certificate shall bear the corporate seal of the Bank, shall recite on its fact
that the stock represented thereby is transferable only upon the books of the
Bank properly endorsed and shall recite such other information as is required by
law and deemed appropriate by the Board. The corporate seal may be facsimile
engraved or printed.

SECTION 5.02. STOCK ISSUE AND TRANSFER. The shares of stock of the Bank shall be
transferable only upon the stock transfer books of the Bank and except as
hereinafter provided, no transfer shall be made or new certificates issued
except upon the surrender for cancellation of the certificate or certificates
previously issued therefor. In the case of the loss, theft, or destruction of
any certificate, a new certificate may be issued in place of such certificate
upon the furnishing of any affidavit setting forth the circumstances of such
loss, theft, or destruction and indemnity satisfactory to the Chairman of the
Board, the President, or a Vice President. The Board of Directors, or the Chief
Executive Officer, may authorize the issuance of a new certificate therefor
without the furnishing of indemnity. Stock Transfer Books, in which all
transfers of stock shall be recorded, shall be provided.
 
                                     -30-
<PAGE>
 
     The stock transfer books may be closed for a reasonable period and under
such conditions as the Board of Directors may at any time determine for any
meeting of shareholders, the payment of dividends or any other lawful purpose.
In lieu of closing the transfer books, the Board may, in its discretion, fix a
record date and hour constituting a reasonable period prior to the day
designated for the holding of any meeting of the shareholders or the day
appointed for the payment of any dividend or for any other purpose at the time
as of which shareholders entitled to notice of and to vote at any such meeting
or to receive such dividend or to be treated as shareholders for such other
purpose shall be determined, and only shareholders of record at such time shall
be entitled to notice of or to vote at such meeting or to receive such dividends
or to be treated as shareholders for such other purpose.

                                     -31-
<PAGE>
 
                                  ARTICLE VI
                                  ----------
                           MISCELLANEOUS PROVISIONS
                           ------------------------

SECTION 6.01. SEAL. The impression made below is an impression of the seal
adopted by the Board of Directors of BANK ONE, COLUMBUS, NATIONAL ASSOCIATION.
The Seal may be affixed by any officer of the Bank to any document executed by
an authorized officer on behalf of the Bank, and any officer may certify any
act, proceedings, record, instrument or authority of the Bank.

SECTION 6.02. BANKING HOURS. Subject to ratification by the Executive Committee,
the Bank and each of its Branches shall be open for business on such days and
during such hours as the Chief Executive Officer of the Bank shall, from time to
time, prescribe.

SECTION 6.03. MINUTE BOOK. The organization papers of this Bank, the Articles of
Association, the returns of the judges of elections, the By-Laws and any
amendments thereto, the proceedings of all regular and special meetings of the
shareholders and of the Board of Directors, and reports of the committees of the
Board of Directors shall be recorded in the minute book of the Bank. The minutes
of each such meeting shall be signed by the presiding Officer and attested by
the secretary of the meetings.

SECTION 6.04. AMENDMENT OF BY-LAWS. These By-Laws may be amended by vote of a
majority of the Directors.

                                     -32-
<PAGE>
 
EXHIBIT 6


Securities and Exchange Commission
Washington, D.C. 20549


                                    CONSENT
                                    -------
                                        

The undersigned, designated to act as Trustee under the Indenture for Ameritech
Capital Funding Corporation described in the attached Statement of Eligibility
and Qualification, does hereby consent that reports of examinations by Federal,
State, Territorial, or District Authorities may be furnished by such authorities
to the Commission upon the request of the Commission.

This Consent is given pursuant to the provision of Section 321(b) of the Trust
Indenture Act of 1939, as amended.



Dated:  December 12, 1997        Bank One, NA


                                 By: /s/ Jon Beacham
                                     -----------------
                                     Jon Beacham
                                     Authorized Signer

                                     -33-


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