CHEMICAL BANKING CORP
424B5, 1994-01-20
STATE COMMERCIAL BANKS
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<PAGE>   1
                                                       Pursuant to Rule 424(b)5 
                                                      Registration No. 33-49965


- --------------------------------------------------------------------------------
 
                             PROSPECTUS  SUPPLEMENT
                    (To Prospectus dated November 12, 1993)
- --------------------------------------------------------------------------------
 
                               (LOGO)$200,000,000
 
                          Chemical Banking Corporation
 
                    6 1/2% Subordinated Debentures Due 2009
 
Interest Payable January 15 and July 15                     Due January 15, 2009
 
                               ------------------
 
The 6 1/2% Subordinated Debentures Due 2009 (the "Subordinated Debentures") of
  Chemical Banking Corporation (the "Company") will be subordinated to Senior
  Indebtedness of the Company and, under certain circumstances, to Additional
      Senior Obligations of the Company, as described in the accompanying
       Prospectus under "Description of Debt Securities -- Subordinated
   Securities -- Subordination". The Subordinated Debentures are subject to
     acceleration only in the event of bankruptcy or reorganization of the
       Company. There will be no right of acceleration in the case of a
      default in the payment of interest or a default in the performance
      of any covenant or agreement in the Subordinated Debentures or the
               Subordinated Indenture. See "Description of Debt
         Securities -- Subordinated Securities -- Defaults and Waiver
                   Thereof" in the accompanying Prospectus.
 
 The Subordinated Debentures will mature on January 15, 2009. The Subordinated
           Debentures may not be redeemed prior to maturity and are
                       not subject to any sinking fund.
The Subordinated Debentures will be represented by one or more permanent global
Subordinated Debentures registered in the name of The Depository Trust Company
   (the "Depositary") or its nominee. Beneficial interests in the permanent
     global Subordinated Debentures will be shown on records maintained by
     participants, and transfers thereof will be effected only through the
     Depositary or any participant. See "Certain Terms of the Subordinated
    Debentures -- Book-Entry System" in this Prospectus Supplement. Except
    as provided herein, Subordinated Debentures in definitive form will not
     be issued. Settlement for the Subordinated Debentures will be made in
      immediately available funds. So long as the Subordinated Debentures
        are represented by a permanent global Subordinated Debenture or
       Subordinated Debentures registered in the name of the Depositary
         or its nominee, the Subordinated Debentures will trade in the
         Depositary's Same-Day Funds Settlement System, and secondary
          market trading activity in the Subordinated Debentures will
        therefore settle in immediately available funds. So long as the
         Subordinated Debentures are represented by a permanent global
            Subordinated Debenture or Subordinated Debentures, all
            payments of principal and interest will be made by the
          Company in immediately available funds. See "Certain Terms
           of the Subordinated Debentures -- Same-Day Settlement and
                    Payment" in this Prospectus Supplement.
The Subordinated Debentures are unsecured debt obligations of the Company, are
   not deposits or other obligations of a depository institution and are not
          insured by the Federal Deposit Insurance Corporation or any
                          other governmental agency.
                               ------------------
 
 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 COM-
             MISSION PASSED UPON THE ACCURACY OR ADEQUACY OF THIS
             PROSPECTUS SUPPLEMENT OR THE PROSPECTUS. ANY REPRE-
                   SENTATION TO THE CONTRARY IS A CRIMINAL
                                   OFFENSE.
<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------
                                                         Price to          Underwriting        Proceeds to
                                                        Public(1)            Discount         Company(1)(2)
- -----------------------------------------------------------------------------------------------------------
 <S>                                                    <C>                   <C>                <C>
 Per Subordinated Debenture                              99.777%              .750%              99.027%
- -----------------------------------------------------------------------------------------------------------
 Total                                                 $199,554,000         $1,500,000         $198,054,000
- -----------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------
</TABLE>
(1) Plus accrued interest, if any, from January 25, 1994.
(2) Before deducting expenses payable by the Company estimated at $100,000.
 
                               ------------------
 
    This Prospectus Supplement and the accompanying Prospectus may be used by
affiliates of the Company in connection with offers and sales related to
secondary market transactions in the Subordinated Debentures. Such affiliates
may act as principal or agent in such transactions. Such sales will be made at
prices related to prevailing market prices at the time of sale.
 
    The Subordinated Debentures are offered by the several Underwriters when, as
and if issued by the Company, delivered to and accepted by the Underwriters and
subject to their right to reject orders in whole or in part. It is expected that
the permanent global Subordinated Debentures, in book-entry form, will be ready
for delivery on or about January 25, 1994.
 
CS First Boston
 
                          Donaldson, Lufkin & Jenrette
                                Securities Corporation
 
                                                      Smith Barney Shearson Inc.
- --------------------------------------------------------------------------------
          The date of this Prospectus Supplement is January 18, 1994.
<PAGE>   2
 
     IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE SUBORDINATED
DEBENTURES OFFERED HEREBY AT A LEVEL ABOVE THAT WHICH MIGHT OTHERWISE PREVAIL IN
THE OPEN MARKET. SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY
TIME.
 
                          CHEMICAL BANKING CORPORATION
 
     The Company is a bank holding company organized under the laws of Delaware
in 1968 and registered under the Bank Holding Company Act of 1956, as amended.
The Company conducts domestic and international financial services businesses
through various bank and non-bank subsidiaries. The principal bank subsidiaries
of the Company are Chemical Bank, a New York banking corporation ("Chemical
Bank"), and the bank subsidiaries of Texas Commerce Bancshares, Inc., a bank
holding company subsidiary of the Company headquartered in Texas ("Texas
Commerce"). For a more complete description of the activities conducted by the
Company, see "Business" in the accompanying Prospectus.
 
     The principal executive offices of the Company are located at 270 Park
Avenue, New York, New York 10017. The telephone number of the Company is (212)
270-6000.
 
                                USE OF PROCEEDS
 
     The Company intends to use the net proceeds from the sale of the
Subordinated Debentures offered hereby for general corporate purposes, including
the possible reduction of outstanding indebtedness of the Company and
investments in, or extensions of credit to, its bank and non-bank subsidiaries.
Pending specific application, the net proceeds will be invested temporarily or
applied to the reduction of short-term indebtedness of the Company.
 
                  CERTAIN TERMS OF THE SUBORDINATED DEBENTURES
 
     The following description of the particular terms of the Subordinated
Debentures offered hereby supplements the description of the general terms of
the Subordinated Securities set forth under the heading "Description of Debt
Securities -- General" and " -- Subordinated Securities" in the accompanying
Prospectus, to which description reference is hereby made.
 
     The Subordinated Debentures offered hereby constitute a series of
Subordinated Securities to be issued under the Subordinated Indenture referred
to in the accompanying Prospectus. The Subordinated Debentures will be limited
to $200,000,000 aggregate principal amount and will mature on January 15, 2009.
 
     The Subordinated Debentures will bear interest at the rate set forth on the
cover page of this Prospectus Supplement from January 25, 1994, payable
semi-annually in arrears on January 15 and July 15 of each year, commencing July
15, 1994, to the persons in whose names the Subordinated Debentures are
registered at the close of business on the preceding January 1 and July 1, as
the case may be.
 
     The Subordinated Debentures are not redeemable prior to maturity and no
sinking fund is provided for the Subordinated Debentures.
 
     The Subordinated Debentures will be issuable and transferable in
denominations of $1,000 and integral multiples thereof. The Subordinated
Debentures will be represented by one or more permanent global Subordinated
Debentures registered in the name of the Depositary or its nominee, as described
below.
 
     The obligations of the Company pursuant to the Subordinated Debentures will
be subordinated in right of payment to all Senior Indebtedness of the Company
and, under certain circumstances, to all Additional Senior Obligations of the
Company, to the extent set forth in the accompanying Prospectus under the
heading "Description of Debt Securities -- Subordinated
Securities -- Subordination". As of September 30, 1993, the Senior Indebtedness
and Additional Senior Obligations of the Company aggregated approximately $5.6
billion.
 
                                       S-2
<PAGE>   3
 
     The Subordinated Debentures are subject to acceleration only in the event
of bankruptcy or reorganization of the Company. There will be no right of
acceleration of the payment of the principal of the Subordinated Debentures upon
a default in the payment of interest or a default in the performance of any
covenant or agreement in the Subordinated Debentures or in the Subordinated
Indenture. See "Description of Debt Securities -- Subordinated
Securities -- Defaults and Waiver Thereof" in the accompanying Prospectus.
 
     As discussed below, payment of principal of, and interest on, Subordinated
Debentures represented by one or more permanent global Subordinated Debentures
registered in the name of or held by the Depositary or its nominee will be made
in immediately available funds to the Depositary or its nominee, as the case may
be, as the registered owner and holder of such permanent global Subordinated
Debenture or Debentures. See "Same-Day Settlement and Payment" below.
 
BOOK-ENTRY SYSTEM
 
     Upon issuance, the Subordinated Debentures will be represented by a
permanent global Subordinated Debenture or Subordinated Debentures. Each
permanent global Subordinated Debenture will be deposited with, or on behalf of,
the Depositary and registered in the name of a nominee of the Depositary. Except
under the limited circumstances described below, permanent global Subordinated
Debentures will not be exchangeable for definitive certificated Subordinated
Debentures.
 
     Ownership of beneficial interests in a permanent global Subordinated
Debenture will be limited to institutions that have accounts with the Depositary
or its nominee ("participants") or persons that may hold interests through
participants. In addition, ownership of beneficial interests by participants in
such permanent global Subordinated Debenture will be evidenced only by, and the
transfer of that ownership interest will be effected only through, records
maintained by the Depositary or its nominee for such permanent global
Subordinated Debenture. Ownership of beneficial interests in such permanent
global Subordinated Debenture by persons that hold through participants will be
evidenced only by, and the transfer of that ownership interest within such
participant will be effected only through, records maintained by such
participant. The Depositary has no knowledge of the actual beneficial owners of
the Subordinated Debentures. Beneficial owners will not receive written
confirmation from the Depositary of their purchase, but beneficial owners are
expected to receive written confirmations providing details of the transaction,
as well as periodic statements of their holdings, from the participants through
which the beneficial owners entered the transaction. The laws of some
jurisdictions require that certain purchasers of securities take physical
delivery of such securities in definitive form. Such laws may impair the ability
to transfer beneficial interests in such permanent global Subordinated
Debenture.
 
     The Company has been advised by the Depositary that upon the issuance of a
permanent global Subordinated Debenture and the deposit of such permanent global
Subordinated Debenture with the Depositary, the Depositary will immediately
credit, on its book-entry registration and transfer system, the respective
principal amounts represented by such permanent global Subordinated Debenture to
the accounts of such participants.
 
     Payment of principal of, and interest on, Subordinated Debentures
represented by a permanent global Subordinated Debenture registered in the name
of or held by the Depositary or its nominee will be made to the Depositary or
its nominee, as the case may be, as the registered owner and holder of the
permanent global Subordinated Debenture representing such Subordinated
Debentures. The Company has been advised by the Depositary that upon receipt of
any payment of principal of, or interest on, a permanent global Subordinated
Debenture, the Depositary will immediately credit, on its book-entry
registration and transfer system, accounts of participants with payments in
amounts proportionate to their respective beneficial interests in the principal
amount of such permanent global Subordinated Debenture as shown in the records
of the Depositary. Payments by participants to owners of beneficial interests in
a permanent global Subordinated Debenture 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
 
                                       S-3
<PAGE>   4
 
sole responsibility of such participants, subject to any statutory or regulatory
requirements as may be in effect from time to time.
 
     None of the Company, the Trustee or any other agent of the Company or the
Trustee will have any responsibility or liability for any aspect of the records
of the Depositary, any nominee or any participant relating to, or payments made
on account of, beneficial interests in a permanent global Subordinated Debenture
or for maintaining, supervising or reviewing any of the records of the
Depositary, any nominee or any participant relating to such beneficial
interests.
 
     A permanent global Subordinated Debenture is exchangeable for definitive
Subordinated Debentures registered in the name of, and a transfer of a permanent
global Subordinated Debenture may be registered to, any person other than the
Depositary or its nominee, only if:
 
          (a) the Depositary notifies the Company that it is unwilling or unable
     to continue as Depositary for such permanent global Subordinated Debenture
     or if at any time the Depositary ceases to be registered or in good
     standing under the Securities Exchange Act of 1934, as amended (the
     "Exchange Act");
 
          (b) the Company in its sole discretion determines that such permanent
     global Subordinated Debenture shall be exchangeable for definitive
     Subordinated Debentures in registered form; or
 
          (c) there shall have occurred and be continuing an Event of Default or
     an event which, with the giving of notice or lapse of time or both, would
     constitute an Event of Default under the Subordinated Debentures.
 
Any permanent global Subordinated Debenture that is exchangeable pursuant to the
preceding sentence will be exchangeable in whole for definitive Subordinated
Debentures in registered form, of like tenor and of an equal aggregate principal
amount as the permanent global Subordinated Debenture, in denominations of
$1,000 and integral multiples thereof. Such definitive Subordinated Debentures
will be registered in the name or names of such persons as the Depositary shall
instruct the Trustee. It is expected that such instructions may be based upon
directions received by the Depositary from its participants with respect to
ownership of beneficial interests in such permanent global Subordinated
Debenture. Any principal and interest will be payable, the transfer of the
definitive Subordinated Debentures will be registerable and the definitive
Subordinated Debentures will be exchangeable at the office or agency of the
Company in the Borough of Manhattan, The City of New York (which will initially
be Chemical Bank), except that, at the option of the Company, interest may be
paid by mailing a check to the address of the person entitled thereto as it
appears in the Subordinated Debenture register.
 
     Except as provided above, owners of beneficial interests in such permanent
global Subordinated Debenture will not be entitled to receive physical delivery
of Subordinated Debentures in definitive form and will not be considered the
holders thereof for any purpose under the Subordinated Indenture, and no
permanent global Subordinated Debenture shall be exchangeable except for another
permanent global Subordinated Debenture of like denomination and tenor to be
registered in the name of the Depositary or its nominee. Accordingly, each
person owning a beneficial interest in such permanent global Subordinated
Debenture must rely on the procedures of the Depositary and, if such person is
not a participant, on the procedures of the participant through which such
person owns its interest, to exercise any rights of a holder under the permanent
global Subordinated Debenture or the Subordinated Indenture.
 
     The Company understands that, under existing industry practices, in the
event that the Company requests any action of holders, or an owner of a
beneficial interest in such permanent global Subordinated Debenture desires to
give or take any action that a holder is entitled to give or take under the
Subordinated Indenture, the Depositary would authorize the participants holding
the relevant beneficial interests to give or take such action, and such
participants would authorize beneficial owners owning through such participants
to give or take such action or would otherwise act upon the instructions of
beneficial owners owning through them.
 
     The Depositary has advised the Company that the Depositary is a limited
purpose trust company organized under the laws of the State of New York, a
"banking organization" within the meaning of the New York Banking Law, a member
of the Federal Reserve System, a "clearing corporation" within the meaning of
 
                                       S-4
<PAGE>   5
 
the New York Uniform Commercial Code and a "clearing agency" registered under
the Exchange Act. The Depositary was created to hold securities of its
participants and to facilitate the clearance and settlement of securities
transactions among its participants in such securities through electronic
book-entry changes in accounts of the participants, thereby eliminating the need
for physical movement of securities certificates. The Depositary's participants
include securities brokers and dealers, banks, trust companies, clearing
corporations and certain other organizations. The Depositary is owned by a
number of its participants and by the New York Stock Exchange, Inc., the
American Stock Exchange, Inc. and the National Association of Securities
Dealers, Inc. Access to the Depositary's book-entry system is also available to
others, such as banks, brokers, dealers and trust companies that clear through
or maintain a custodial relationship with a participant, either directly or
indirectly. The rules applicable to the Depositary and it participants are on
file with the Securities and Exchange Commission.
 
SAME-DAY SETTLEMENT AND PAYMENT
 
     Settlement for the Subordinated Debentures will be made in immediately
available funds. So long as the Subordinated Debentures are represented by a
permanent global Subordinated Debenture or Subordinated Debentures, all payments
of principal and interest will be made by the Company in immediately available
funds.
 
     Secondary trading in long-term notes and debentures of corporate issuers is
generally settled in clearing-house or next-day funds. So long as the
Subordinated Debentures are represented by a permanent global Subordinated
Debenture or Subordinated Debentures registered in the name of the Depositary or
its nominee, the Subordinated Debentures will trade in the Depositary's Same-Day
Funds Settlement System, and secondary market trading activity in the
Subordinated Debentures will therefore be required by the Depositary to settle
in immediately available funds. No assurance can be given as to the effect, if
any, of settlement in immediately available funds on the trading activity in the
Subordinated Debentures.
 
                           RESULTS OF 1993 OPERATIONS
 
     The Company had 1993 net income of $1,604 million, or $5.77 per share,
compared with net income of $1,086 million, or $3.90 per share, for 1992.
 
     NET INTEREST INCOME.  Net interest income in 1993 was $4,636 million,
compared with $4,598 million in 1992. The net yield on interest-earning assets
in 1993 was 3.73%, compared with 3.82% in 1992. Average interest-earning assets
in 1993 were $124.9 billion, compared with $121.2 billion in 1992.
 
     NONINTEREST REVENUE.  Noninterest revenue for 1993 was $4,024 million, an
increase of 33% from $3,026 million for 1992. Total trading revenues for 1993
were $1,073 million, an increase of 26% from $853 million for 1992. Corporate
finance and loan syndication fees were $338 million in 1993, an increase of 28%
from $265 million in 1992, and securities gains were $142 million in 1993,
compared with $53 million in 1992. The 1993 results included $331 million in
revenues from the sale of the past-due interest bonds received from Argentina
and Brazil. Revenues from venture capital activities were $301 million for 1993,
compared with $100 million in 1992. Trust and investment management fees were
$406 million in 1993, compared with $361 million in 1992.
 
     NONINTEREST EXPENSE.  Noninterest expense for 1993 was $5,293 million,
compared with $4,930 million for 1992. Expense savings related to the merger on
December 31, 1991 of Manufacturers Hanover Corporation with and into the Company
(the "Merger") were $525 million in 1993, compared with $280 million for 1992.
 
     Noninterest expense for 1993 reflected higher expenses associated with
investments in certain of the Company's key businesses, including an expansion
of securities capabilities, the acquisitions by Texas Commerce of Ameritrust
Texas Corporation and major components of First City Bancorporation of Texas,
Inc., and $53 million in the fourth quarter related to the launch of a
co-branded MasterCard with Shell Oil Company.
 
                                       S-5
<PAGE>   6
 
     Noninterest expense included foreclosed property expense of $287 million in
1993, compared with $283 million in 1992. Noninterest expense for 1993 included
a third-quarter charge of $115 million ($67 million after tax) related to the
completion of the Company's assessment of costs associated with the Merger. The
fourth quarter of 1992 included a one-time charge of $41 million related to the
costs incurred in combining the Company's employee benefit plans.
 
     At December 31, 1993, Merger-related staff reductions totalled 6,221 since
July 15, 1991, the date of announcement of the Merger. The ratio of noninterest
operating expense (exclusive of one-time charges) to total operating revenue was
59.1% in 1993, compared with 63.7% in 1992.
 
     PROVISION AND ALLOWANCE FOR LOSSES.  The provision for losses for 1993 was
$1,259 million, compared with $1,365 million for 1992. Net charge-offs of LDC
loans, including losses on sales and swaps, were $22 million for 1993, compared
with $244 million for 1992. For 1993, non-LDC net charge-offs were $1,259
million, compared with $1,365 million for 1992.
 
     At December 31, 1993, the non-LDC allowance for losses was $2,423 million,
compared with $2,206 million at December 31, 1992. At December 31, 1993, the LDC
allowance was $597 million, compared with $819 million at December 31, 1992.
 
     NONPERFORMING ASSETS.  Non-LDC nonperforming loans at December 31, 1993
were $1,969 million, compared with $3,468 million at December 31, 1992. Total
non-LDC nonperforming assets at December 31, 1993 were $2,903 million, compared
with $4,744 million at December 31, 1992. LDC nonperforming loans were $622
million at December 31, 1993, compared with $1,348 at December 31, 1992. At
December 31, 1993, total nonperforming assets were $3,525 million, down $2,567
million, or 42%, from $6,092 million at December 31, 1992.
 
     STOCKHOLDERS' EQUITY AND CAPITAL RATIOS.  Total stockholders' equity at
December 31, 1993 was $11.2 billion, an increase from $9.9 billion at December
31, 1992.
 
     The following table summarizes certain capital levels and ratios of the
Company at the dates indicated:
 
<TABLE>
<CAPTION>
                                                                               AT
                                                                          DECEMBER 31,
                                                                      --------------------
                                                                      1993           1992
                                                                      -----          -----
                                                                        ($ in billions)
    <S>                                                               <C>            <C>
    Total Stockholders' Equity....................................    $11.2          $ 9.9
    Common Stockholders' Equity...................................      9.5            8.0
    Total Stockholders' Equity to Assets..........................      7.4%           7.1%
    Common Stockholders' Equity to Assets.........................      6.3            5.7
    Tier 1 Leverage Ratio*........................................      6.8            6.6
    Risk-Based Capital*:
      Tier 1 (4.0% required)......................................      8.0(est.)      7.3
      Total (8.0% required).......................................     12.1(est.)     11.6
</TABLE>
 
- ---------------
 * Excludes from 1993 figures the net favorable impact on stockholders' equity
   of $215 million resulting from the adoption of SFAS No. 115 on December 31,
   1993.
 
     OTHER FINANCIAL DATA.  Tax expense included income tax benefits totaling
$331 million for 1993 and $278 million for 1992, including $65 million in the
1992 fourth quarter. Because the Company recognized its remaining available
Federal tax benefits in the third quarter of 1993, the Company's earnings
beginning in the fourth quarter of 1993 were reported on a fully-taxed basis.
 
     Total assets at December 31, 1993 were $149.9 billion, compared with $139.7
billion at December 31, 1992. Total loans at December 31, 1993 were $75.4
billion, compared with $82.0 billion at December 31, 1992. At December 31, 1993,
total deposits were $98.3 billion, compared with $94.2 billion at December 31,
1992.
 
                                       S-6
<PAGE>   7
 
For 1993, the return on average total assets was 1.11% and the return on average
common stockholders' equity was 16.66%. Book value per common share was $37.60
at December 31, 1993, compared with $32.43 per share at December 31, 1992.
 
     CHANGES IN ACCOUNTING POLICIES.  On December 31, 1993, the Company adopted
SFAS No. 115, "Accounting for Certain Investments in Debt and Equity
Securities", which addresses the accounting for investments in debt and equity
securities that have readily determinable fair values. SFAS No. 115 requires
that investments and certain loan assets must be identified as held to maturity,
held for current resale or available for sale. Investments that are identified
as available for sale are required to be accounted for at their fair value with
the related unrealized gains and losses included as a separate component of
stockholders' equity. The adoption of this accounting standard resulted in a net
favorable impact of approximately $215 million after tax to the Company's
stockholders' equity.
 
     TEXAS COMMERCE.  Texas Commerce reported net income of $169 million in
1993, compared with $180 million in 1992. Excluding the one-time restructuring
charge of $43 million ($30 million after-tax) relating to the acquisition of
First City Bancorporation of Texas, Inc. and net benefits of $9 million
resulting from the adoption of two accounting changes, earnings for 1993 would
have been $190 million. On a pre-tax basis, Texas Commerce's earnings were $226
million in 1993, compared with $184 million in 1992.
 
                                       S-7
<PAGE>   8
 
                                  UNDERWRITING
 
     The Underwriters named below have severally agreed to purchase from the
Company the following respective principal amounts of the Subordinated
Debentures:
 
<TABLE>
<CAPTION>
        UNDERWRITER                                                    PRINCIPAL AMOUNT
        -------------------------------------------------------------  ----------------
        <S>                                                            <C>
        CS First Boston Corporation..................................    $130,000,000
        Donaldson, Lufkin & Jenrette Securities Corporation..........      35,000,000
        Smith Barney Shearson Inc....................................      35,000,000
                                                                       ----------------
             Total...................................................    $200,000,000
                                                                       ----------------
                                                                       ----------------
</TABLE>
 
     The Underwriting Agreement provides that the obligations of the
Underwriters are subject to certain conditions precedent and that the
Underwriters will be obligated to purchase all of the Subordinated Debentures if
any are purchased.
 
     The Company has been advised that the Underwriters propose initially to
offer the Subordinated Debentures to the public at the public offering price set
forth on the cover page of this Prospectus Supplement, and to certain dealers at
such price less a concession not in excess of .45% of the principal amount. The
Underwriters may allow and such dealers may reallow a concession not in excess
of .25% of the principal amount on sales to certain other dealers. After the
initial public offering, the public offering price and such concessions may be
changed.
 
     The Company has agreed to indemnify the Underwriters against certain
liabilities, including civil liabilities under the Securities Act of 1933, as
amended, or to contribute to payments which the Underwriters may be required to
make in respect thereof.
 
     Certain of the Underwriters engage in transactions with and perform
services for the Company and its subsidiaries in the ordinary course of
business.
 
     This Prospectus Supplement and the accompanying Prospectus may be used by
affiliates of the Company in connection with offers and sales related to
secondary market transactions in the Subordinated Debentures. Such affiliates
may act as principal or agent in such transactions. Such sales will be made at
prices related to prevailing market prices at the time of sale.
 
     The Subordinated Debentures will not be listed on any securities exchange.
The Subordinated Debentures are a new series of securities with no established
trading market. CS First Boston Corporation, Donaldson, Lufkin & Jenrette
Securities Corporation and Smith Barney Shearson Inc. have informed the Company
that they intend to make a market in the Subordinated Debentures, but are under
no obligation to do so and such market making may be terminated at any time.
Therefore, no assurance can be given as to the liquidity of, or the trading
market for, the Subordinated Debentures.
 
                                 LEGAL OPINIONS
 
     The validity of the Subordinated Debentures being offered hereby will be
passed upon for the Company by Simpson Thacher & Bartlett (a partnership which
includes professional corporations), New York, New York, and for the
Underwriters by Cravath, Swaine & Moore, New York, New York. Cravath, Swaine &
Moore has represented and continues to represent the Company and its
subsidiaries in a substantial number of matters on a regular basis.
 
                                       S-8
<PAGE>   9
 
                                                                      PROSPECTUS
 
                                                                          (LOGO)
 
                          Chemical Banking Corporation
                                Debt Securities
                                Preferred Stock
                                  Common Stock
                                    Warrants
    Chemical Banking Corporation (the "Company") intends to issue from time to
time in one or more series its (i) unsecured debt securities, which may either
be senior (the "Senior Securities") or subordinated (the "Subordinated
Securities"; the Senior Securities and the Subordinated Securities being
referred to collectively as the "Debt Securities"), (ii) warrants to purchase
the Debt Securities (the "Debt Warrants"), (iii) shares of preferred stock, par
value $1 per share (the "Preferred Stock"), which may be issued in the form of
depositary shares evidenced by depositary receipts (the "Depositary Shares"),
(iv) warrants to purchase the Preferred Stock or Depositary Shares ("Preferred
Stock Warrants"), (v) shares of common stock, par value $1 per share (the
"Common Stock"), (vi) warrants to purchase shares of Common Stock ("Common Stock
Warrants"; the Debt Warrants, Preferred Stock Warrants and Common Stock Warrants
being referred to herein collectively as the "Securities Warrants"); and (vii)
currency warrants entitling the holder to receive the cash value in U.S. dollars
of the right to purchase or the right to sell foreign currencies or composite
currencies, including European Currency Units ("ECU") (the "Currency Warrants"),
having an aggregate initial public offering price not to exceed $4,148,200,000
or the equivalent thereof in one or more foreign currencies or composite
currencies, including ECU, on terms to be determined at the time of sale. The
Debt Securities, Preferred Stock, Depositary Shares, Common Stock, Securities
Warrants and Currency Warrants offered hereby (collectively, the "Offered
Securities") may be offered, separately or as units with other Offered
Securities, in separate series in amounts, at prices and on terms to be
determined at the time of sale and to be set forth in a supplement to this
Prospectus (a "Prospectus Supplement").
 
    The Senior Securities will rank equally with all other unsubordinated and
unsecured indebtedness of the Company. The Subordinated Securities will be
subordinate to all existing and future Senior Indebtedness and, under certain
circumstances, Additional Senior Obligations, each as defined herein. The
holders of Subordinated Securities of any series may be obligated at maturity to
exchange such Subordinated Securities for Capital Securities of the Company.
Unless otherwise indicated in the applicable Prospectus Supplement, the maturity
of the Subordinated Securities will be subject to acceleration only in the event
of certain events of bankruptcy or reorganization of the Company. See
"Description of Debt Securities".
 
    The specific terms of the Offered Securities in respect of which this
Prospectus is being delivered, such as, where applicable (i) in the case of Debt
Securities, the specific designation, aggregate principal amount, currency,
denomination, maturity, priority, interest rate (which may be variable or
fixed), time of payment of interest, terms for optional redemption or repayment
or for sinking fund payments, terms for conversion into or exchange for Capital
Securities or other Offered Securities, the designation of the Trustee acting
under the applicable Indenture and the initial public offering price; (ii) in
the case of Preferred Stock, the specific title and stated value, number of
shares or fractional interests therein, and the dividend, liquidation,
redemption, conversion, voting and other rights, the initial public offering
price, and whether interests in the Preferred Stock will be represented by
Depositary Shares; (iii) in the case of Common Stock, the initial offering
price; (iv) in the case of Securities Warrants, the duration, offering price,
exercise price and detachability thereof; (v) in the case of Currency Warrants,
whether the Currency Warrants are call warrants or put warrants, the currency to
which U.S. dollars will be compared, the method of determining the cash value
payable upon exercise of such Currency Warrants, the aggregate amount, offering
price and exercise period of such Currency Warrants, the risks associated with
such Currency Warrants and the manner of and any restrictions on the exercise of
such Currency Warrants (see "Risk Factors Relating to Currency Warrants"); and
(vi) in the case of all Offered Securities, whether such Offered Security will
be offered separately or as a unit with other Offered Securities, will be set
forth in the accompanying Prospectus Supplement. The Prospectus Supplement will
also contain information, where applicable, about certain United States Federal
income tax considerations relating to, and any listing on a securities exchange
of, the Offered Securities covered by the Prospectus Supplement.
 
    The Offered Securities may be sold for public offering to underwriters or
dealers, which may be a group of underwriters represented by one or more
managing underwriters. In addition, the Offered Securities may be sold directly
by the Company or through agents designated from time to time. See "Plan of
Distribution". The names of any such agents, dealers or managing underwriters,
and of any underwriters, involved in the sale of the Offered Securities in
respect of which this Prospectus is being delivered and the applicable agent's
commission, dealer's purchase price or underwriter's discount will be set forth
in the Prospectus Supplement. The net proceeds to the Company from such sale
will also be set forth in the Prospectus Supplement. Any underwriters, dealers
or agents participating in the offering of Offered Securities may be deemed
"underwriters" within the meaning of the Securities Act of 1933, as amended (the
"Securities Act"). The Company may also issue the Offered Securities to one or
more persons in exchange for outstanding securities of the Company acquired by
such persons from third parties in open market transactions or in privately
negotiated transactions. The newly issued Offered Securities in such cases may
be offered pursuant to this Prospectus and the applicable Prospectus Supplement
by such persons acting as principal for their own accounts, at market prices
prevailing at the time of sale, at prices otherwise negotiated or at fixed
prices. Unless otherwise indicated in the applicable Prospectus Supplement, the
Company will only receive outstanding securities and will not receive cash
proceeds in connection with such exchanges or sales. See "Plan of Distribution".
 
    This Prospectus and the related Prospectus Supplement may be used by direct
or indirect wholly-owned subsidiaries of the Company in connection with offers
and sales related to secondary market transactions in Offered Securities. Such
subsidiaries may act as principal or agent in such transactions. Such sales will
be made at prices related to prevailing market prices at the time of sale.
 
    THIS PROSPECTUS MAY NOT BE USED TO CONSUMMATE SALES OF OFFERED SECURITIES
UNLESS ACCOMPANIED BY A PROSPECTUS SUPPLEMENT. THE DEBT SECURITIES WILL BE
UNSECURED OBLIGATIONS OF THE COMPANY, WILL NOT BE OBLIGATIONS OF A DEPOSITORY
INSTITUTION AND WILL NOT BE INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION
OR ANY OTHER GOVERNMENTAL AGENCY.
 
    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 NOVEMBER 12, 1993.
<PAGE>   10
 
                             AVAILABLE INFORMATION
 
     The Company 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"). Such reports, proxy
statements and other information can be inspected and copied at the offices of
the Commission at Room 1024, Judiciary Plaza, 450 Fifth Street, N.W.,
Washington, D.C. 20549, as well as at the following regional offices of the
Commission: Northwestern Atrium Center, 500 West Madison Street, Suite 1400,
Chicago, Illinois 60661-2511, and Seven World Trade Center, New York, New York
10048. Copies of such material can also be obtained from the Commission's Public
Reference Section, Room 1024, Judiciary Plaza, 450 Fifth Street, N.W.,
Washington D.C. 20549, at prescribed rates. Certain of the Company's securities
are listed on the New York Stock Exchange, and reports, proxy material and other
information concerning the Company may be inspected at the offices of the New
York Stock Exchange, Inc., 20 Broad Street, New York, New York 10005.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents filed with the Commission by the Company are
incorporated by reference in this Prospectus:
 
          (a) The Company's Annual Report on Form 10-K for the year ended
     December 31, 1992;
 
          (b) The Company's Quarterly Reports on Form 10-Q for the quarters
     ended March 31, 1993 and June 30, 1993;
 
          (c) The Company's Current Reports on Form 8-K dated January 21, 1993,
     January 29, 1993, April 22, 1993, May 25, 1993, June 22, 1993, July 6,
     1993, July 23, 1993 and October 21, 1993; and
 
          (d) The descriptions of the Common Stock, the Preferred Stock and the
     purchase rights for units of Junior Participating Preferred Stock set forth
     in the Company's Registration Statements filed pursuant to Section 12 of
     the Exchange Act and any amendment or report filed for the purpose of
     updating those descriptions.
 
     All documents filed by the Company pursuant to Section 13(a), 13(c), 14 or
15(d) of the Exchange Act after the date of this Prospectus and prior to the
termination of the offering of the Offered Securities offered hereby shall be
deemed to be incorporated by reference in 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 the accompanying Prospectus
Supplement, 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 statement so modified or superseded shall not be deemed, except
as so modified or superseded, to constitute a part of this Prospectus.
 
     THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH PERSON TO WHOM THIS
PROSPECTUS IS DELIVERED, UPON THE WRITTEN OR ORAL REQUEST OF SUCH PERSON, A COPY
OF ANY OR ALL OF THE DOCUMENTS INCORPORATED HEREIN BY REFERENCE, OTHER THAN
EXHIBITS TO SUCH DOCUMENTS (UNLESS SUCH EXHIBITS ARE SPECIFICALLY INCORPORATED
BY REFERENCE INTO SUCH DOCUMENTS). REQUESTS SHOULD BE DIRECTED TO: CHEMICAL
BANKING CORPORATION, 270 PARK AVENUE, NEW YORK, NEW YORK 10017, ATTENTION:
OFFICE OF THE SECRETARY, TELEPHONE (212) 270-4040.
 
     Unless otherwise indicated, currency amounts in this Prospectus and any
Prospectus Supplement are stated in United States dollars ("$", "dollars", "U.S.
dollars" or "U.S.$").
 
                                        2
<PAGE>   11
 
                          CHEMICAL BANKING CORPORATION
 
GENERAL
 
     The Company is a bank holding company organized under the laws of Delaware
in 1968 and registered under the Bank Holding Company Act of 1956, as amended
(the "BHCA"). The Company conducts domestic and international financial services
businesses through various bank and non-bank subsidiaries. The principal bank
subsidiaries of the Company are Chemical Bank, a New York banking corporation
("Chemical Bank"), and the bank subsidiaries of Texas Commerce Bancshares, Inc.
("Texas Commerce").
 
     At June 30, 1993, the Company had total assets of approximately $145.5
billion and stockholders' equity of approximately $10.5 billion. The Company is
the third largest bank holding company in the United States in terms of total
assets. Chemical Bank is the third largest bank in the United States in terms of
deposits. At June 30, 1993, Chemical Bank had total assets of approximately
$109.8 billion, total loans of approximately $63.5 billion and total deposits of
approximately $72.6 billion. Texas Commerce is the second largest bank holding
company in Texas in terms of total deposits and, as of June 30, 1993, had total
assets of approximately $22.1 billion. The Company owns a 40% interest in The
CIT Group Holdings, Inc., which engages in diversified financial services
activities, including asset-based financing and leasing, sales financing and
factoring.
 
     On December 31, 1991, Manufacturers Hanover Corporation was merged with and
into the Company (the "Merger"). The Company incurred a restructuring charge of
$625 million in connection with the Merger, principally as a result of
anticipated expenses associated with staff reductions and office consolidations.
The Company expects to achieve substantial savings of operating costs from the
Merger through the consolidation of certain operations and the elimination of
redundant expenses. These savings will be realized over time as consolidation is
completed. Assuming operating expenses at 1991 levels, the Company realized
savings from the Merger of approximately $280 million in 1992, and expects to
realize savings of approximately $525 million in 1993. The Company also expects
that Merger-related savings will amount to approximately $710 million in 1994
and approximately $750 million in 1995 and in each year thereafter. These
savings are expected to be realized primarily through reductions in staff, the
consolidation and elimination of certain branches and office facilities and the
consolidation of certain data processing and other back-office operations.
Because the Company's markets are highly competitive and because of the inherent
uncertainties of merging two large institutions, there is no assurance that the
expected cost savings from the Merger will be realized in the amounts or in the
time frames currently anticipated. The Company continues to incur expenses to
reduce personnel and office space, integrate computer and back-office systems
and realign its strategic businesses in connection with the implementation of
the Merger. During the third quarter of 1993, the Company incurred a charge of
$115 million, principally related to changes since the date of the Merger in the
Company's facilities plans and revised estimates of occupancy-related costs
associated with headquarters and branch consolidations. The Company may also
realize one-time Merger related benefits as part of its integration,
consolidation and realignment of its strategic businesses. There is no assurance
that the reserves established by the Company in connection with the Merger will
reflect the actual net costs ultimately incurred by the Company in implementing
the Merger.
 
BUSINESS
 
     The activities of the Company and its subsidiaries are internally
organized, for management information purposes, into three principal lines of
business. A brief description of each principal line of business is presented
below.
 
Global Bank
 
     The Global Bank is organized into three principal management entities: (i)
Banking and Corporate Finance (domestic wholesale banking, corporate finance and
venture capital activities); (ii) Asia, Europe and Capital Markets
(international wholesale banking and corporate finance and the Company's trading
and treasury functions); and (iii) Developing Markets (trade finance, corporate
finance and advisory services in emerging markets).
 
                                        3
<PAGE>   12
 
Regional Bank
 
     The Regional Bank includes Retail Banking (consumer banking, commercial and
professional banking, retail card services and national consumer business);
Regional Relationship Banking (middle market, private banking and Chemical New
Jersey Holdings, Inc.); and Geoserve (cash management, funds transfer, trade,
corporate trust and securities services worldwide). The Company's Technology and
Operations Group is also managed within this organizational structure.
 
Texas Commerce
 
     Texas Commerce is one of Texas' leading commercial banking institutions,
with over 120 locations statewide. At June 30, 1993, Texas Commerce ranked, in
terms of total deposits, first in the Houston and third in the Dallas/Fort Worth
banking markets and had total assets of approximately $22.1 billion.
 
DERIVATIVES AND RELATED PRODUCTS
 
     In the normal course of its business, the Company utilizes various
financial instruments to meet the financing needs of its customers, to generate
profits through its trading activities and to manage its exposure to
fluctuations in interest and currency rates. Certain of these instruments,
commonly referred to as "derivatives", represent contracts with counterparties
where payments are made to or from the counterparty based upon the change in
specific interest rates, currency levels or other market rates. Such
derivatives, along with exchange-traded futures contracts and traditional
foreign exchange instruments, involve, to varying degrees, credit risk (i.e.,
the possibility that a loss may occur because a party to a transaction fails to
perform according to the terms of a contract) and market risk (i.e., the
possibility that a change in interest or currency rates will cause the value of
a financial instrument to decrease or become more costly to settle).
 
     At June 30, 1993 and December 31, 1992, the total notional amount of the
Company's outstanding interest rate contracts (which included futures and
forward rate agreements, purchased and written options, and interest rate swaps)
were approximately $1,422.4 billion and $1,066.4 billion, respectively. At each
of such dates, the cost of replacing such interest rate contracts (representing
the cost to replace all contracts on which the Company had a mark-to-market
gain, if every counterparty defaulted) was $8.7 billion and $7.5 billion,
respectively. The total notional amount of the Company's outstanding foreign
exchange contracts (which included futures, forward and spot contracts,
purchased and written options and cross-currency swaps) were approximately
$687.8 billion and $549.0 billion, respectively, at June 30, 1993 and December
31, 1992. At each of such dates, the Company's exposure to credit loss from such
foreign exchange contracts (representing the cost, on a present value basis, to
replace all profitable contracts at current market rates) was approximately
$14.4 billion and $14.9 billion, respectively. The notional amounts of the
Company's off-balance sheet derivatives instruments greatly exceed the possible
credit loss that could arise from counterparty default. The Company's gross
mark-to-market credit exposure disclosed herein does not take into account
netting arrangements which permit the Company to settle many derivatives
contracts with the same counterparty on a net basis and which, accordingly,
reduces such credit risk. The Company does not currently anticipate any material
loss as a result of its derivatives transactions.
 
     For the six months ended June 30, 1993, foreign exchange revenues were
approximately $222 million and trading account revenues were approximately $328
million (including revenues from derivatives products of approximately $167
million). For the year ended December 31, 1992, foreign exchange revenues were
approximately $476 million and trading account revenues were approximately $377
million (including revenues from derivatives products of approximately $204
million). The Company's increased revenues from trading account and foreign
exchange products during the first six months of 1993 reflected greater
transaction volumes resulting from market volatility during the period, as well
as the Company's higher credit ratings (which increased the opportunities for
the Company to deal with a greater number of counterparties, particularly with
respect to foreign exchange and derivatives products). Trading revenues are
affected by many factors, including volatility of currencies and interest rates,
the volume of transactions executed by the Company's customers, the Company's
success in proprietary positioning, the Company's credit standing and steps
taken by central banks and governments to affect financial markets. Although the
Company believes that
 
                                        4
<PAGE>   13
 
its improved credit standing has recently been enhancing, and is likely to
continue to enhance, its trading profits (including profits derived from
derivative products), other factors, such as market volatility or governmental
actions, might not be as favorable in future periods as they were in the first
six months of 1993.
 
     The Company is one of the largest participants in the derivatives products
market. The Company has established procedures to monitor the credit and market
risks associated with derivatives financial instruments. For a description of
the credit and market risk characteristics of each of these types of instruments
and the procedures utilized by the Company in managing their associated risks,
reference is made to Note Eighteen to the Notes to Financial Statements in the
Company's Annual Report on Form 10-K for the year ended December 31, 1992.
 
                CONSOLIDATED RATIOS OF EARNINGS TO FIXED CHARGES
 
     The following are the consolidated ratios of earnings to fixed charges and
the ratios of earnings to combined fixed charges and preferred stock dividend
requirements for each of the periods indicated:
 
<TABLE>
<CAPTION>
                                               SIX MONTHS
                                                  ENDED
                                                JUNE 30,                YEAR ENDED DECEMBER 31,
                                              -------------     ----------------------------------------
                                              1993     1992     1992     1991     1990     1989     1988
                                              ----     ----     ----     ----     ----     ----     ----
<S>                                           <C>      <C>      <C>      <C>      <C>      <C>      <C>      
Earnings to Fixed Charges:
  Excluding Interest on Deposits..........    2.2      1.7      1.7      1.1      1.1      0.8      1.6
  Including Interest on Deposits..........    1.5      1.3      1.3      1.0      1.1      0.9      1.3
Earnings to Combined Fixed Charges and
  Preferred Stock Dividend Requirements:
  Excluding Interest on Deposits..........    2.0      1.6      1.6      1.0      1.1      0.8      1.6
  Including Interest on Deposits..........    1.4      1.2      1.2      1.0      1.0      0.9      1.2
</TABLE>
 
     For the year ended December 31, 1989, earnings were insufficient to cover
fixed charges, both excluding interest on deposits and including interest on
deposits, by $832 million. For such year, earnings were insufficient to cover
combined fixed charges and preferred stock dividend requirements, both excluding
interest on deposits and including interest on deposits, by $971 million.
 
     For purposes of computing the ratios of earnings to fixed charges and of
earnings to combined fixed charges and preferred stock dividend requirements,
earnings represent net income from continuing operations plus total taxes based
on income and fixed charges. Fixed charges, excluding interest on deposits,
include interest expense (other than on deposits), one-third (the proportion
deemed representative of the interest factor) of rents, net of income from
subleases, and capitalized interest. Fixed charges, including interest on
deposits, include all interest expense, one-third (the proportion deemed
representative of the interest factor) of rents, net of income from subleases,
and capitalized interest.
 
                                USE OF PROCEEDS
 
     The net proceeds to be received by the Company from the sale of the Offered
Securities offered hereby will be added to the general funds of the Company and
will be available for general corporate purposes, which may include the
reduction of short-term indebtedness, equity investments in or extensions of
credit to its bank and non-bank subsidiaries, the reduction of outstanding
long-term indebtedness of the Company, the redemption of certain of the
Company's outstanding preferred stock, or the financing of possible business
expansion. Pending specific application, the net proceeds will be invested
temporarily or applied to the reduction of short-term indebtedness. Except as
otherwise described in a Prospectus Supplement, specific application of the
proceeds to such purposes will not have been made at the date of the applicable
Prospectus Supplement, although the management of the Company will have
determined that funds should be raised at that time in anticipation of the
future funding requirements of the Company or its subsidiaries or in
anticipation of repayments of borrowings or redemptions of preferred stock.
 
                                        5
<PAGE>   14
 
                         DESCRIPTION OF DEBT SECURITIES
 
GENERAL
 
     The following description of the terms of the Debt Securities sets forth
certain general terms and provisions of the Debt Securities to which any
Prospectus Supplement may relate. The particular terms of any Debt Securities
and the extent, if any, to which such general provisions may apply to such Debt
Securities will be described in the Prospectus Supplement relating to such Debt
Securities.
 
     The Senior Securities will be issued from time to time in series under an
Indenture dated as of December 1, 1989 between the Company and The Chase
Manhattan Bank (National Association), as Trustee (the "Senior Indenture"). The
Subordinated Securities will be issued from time to time in series under an
Indenture dated as of April 1, 1987, as amended and restated as of December 15,
1992, between the Company and Morgan Guaranty Trust Company of New York, as
Trustee (the "Subordinated Indenture"). The Senior Indenture and the
Subordinated Indenture are herein referred to collectively as the "Indentures".
 
     The statements under this caption are brief summaries of certain provisions
contained in the Indentures, do not purport to be complete and are qualified in
their entirety by reference to the Indentures, copies of which are exhibits to
the Registration Statement of which this Prospectus is a part. Numerical
references in parentheses below are to sections of the applicable Indenture.
Wherever capitalized terms are used but not defined herein, such terms shall
have the meanings assigned to them in the applicable Indenture, it being
intended that such referenced sections of the Indentures and such defined terms
shall be incorporated herein by reference.
 
     Neither Indenture limits the amount of Debt Securities which may be issued
thereunder and Debt Securities may be issued under either of the Indentures up
to the aggregate principal amount which may be authorized from time to time by
the Company. The Senior Securities will be unsecured and will rank on a parity
with all other unsecured and unsubordinated indebtedness of the Company. The
Subordinated Securities will be unsecured and will be subordinated and junior to
all Senior Indebtedness (as defined below under "Subordinated
Securities -- Subordination") and, in certain circumstances relating to the
dissolution, winding-up, liquidation or reorganization of the Company, to all
Additional Senior Obligations (as defined below under "Subordinated
Securities -- Subordination") to the extent set forth below under "Subordinated
Securities". Since the Company is a holding company, the right of the Company to
participate in any distribution of assets of any subsidiary, including Chemical
Bank and Texas Commerce, upon such subsidiary's liquidation or reorganization or
otherwise (and thus the ability of holders of the Debt Securities to benefit
indirectly from such distribution), is subject to the prior claims of creditors
of that subsidiary, except to the extent that the Company may itself be
recognized as a creditor of that subsidiary. Claims on the Company's
subsidiaries by creditors other than the Company include long-term debt and
substantial obligations with respect to deposit liabilities, Federal funds
purchased, securities sold under repurchase agreements, commercial paper and
other short-term borrowings.
 
     The Debt Securities may be issued in one or more separate series of Senior
Securities and/or one or more separate series of Subordinated Securities.
Reference is made to the Prospectus Supplement relating to the particular series
of Debt Securities offered thereby for the terms of such Debt Securities,
including, where applicable: (i) the specific title of such Debt Securities;
(ii) any limit on the aggregate principal amount or aggregate initial offering
price of such Debt Securities; (iii) the purchase price of such Debt Securities
(expressed as a percentage of the principal amount thereof); (iv) the date or
dates on which the principal of such Debt Securities will be payable and the
provisions, if any, for extension of such payment date or dates; (v) the rate or
rates per annum at which such Debt Securities will bear interest, if any,
including the rate of interest, if any, applicable to overdue payments of
principal, or the method by which any such rate or rates will be determined and
the dates on which such interest, if any, will be payable, the record dates for
such interest payment dates and the date from which such interest, if any, will
accrue; (vi) the place or places where the principal of (and premium, if any)
and interest, if any, with respect to the Debt Securities will be payable; (vii)
the terms of any mandatory or optional redemption provisions applicable to the
Debt Securities; (viii) the terms of any sinking fund and analogous provisions
with respect to the Debt Securities; (ix) authorized denominations of the Debt
Securities (if other than denominations of $1,000 and integral
 
                                        6
<PAGE>   15
 
multiples thereof); (x) if other than the currency of the United States, the
currency or currencies, including ECU and other composite currencies, in which
payment of the principal of (and premium, if any) and interest, if any, on the
Debt Securities will be payable (which may be different for principal, premium
and interest); (xi) if the principal of (and premium, if any) or interest, if
any, on such Debt Securities are to be payable at the election of the Company or
a holder thereof in one or more currencies or composite currencies, the
currencies or composite currencies in which payment may be made and the manner
of making such election; (xii) any provisions relating to the conversion or
exchange of such Debt Securities; (xiii) the index, if any, with reference to
which the amount of payments of principal of (and premium, if any) or interest,
if any, on such Debt Securities will be determined; (xiv) whether such Debt
Securities are Senior Securities or Subordinated Securities, or include both;
(xv) the portion of the principal amount of such Debt Securities which will be
payable upon declaration of acceleration of the maturity thereof, if other than
the principal amount thereof; (xvi) any Events of Default applicable to such
Debt Securities (if not set forth in the applicable Indenture); (xvii) if such
Debt Securities are Senior Securities, whether the provisions of the Senior
Indenture relating to "Defeasance and Covenant Defeasance" will be applicable to
such series of Debt Securities; (xviii) whether any of such Debt Securities are
to be issuable in permanent global form; (xix) the terms of any Currency
Warrants or Securities Warrants being offered with such Debt Securities; and
(xx) any other specific terms of such Debt Securities (including any covenants
applicable to the Debt Securities if not set forth in the applicable Indenture).
 
     The Debt Securities offered hereby will be issued only in fully registered
form without coupons. The Indentures also provide that Debt Securities of a
series may be issued as permanent global Debt Securities. See "Permanent Global
Debt Securities" below. No service charge will be made for any transfer or
exchange of the Debt Securities, but the Company may require payment of a sum
sufficient to cover any tax or other governmental charge payable in connection
therewith.
 
     Unless otherwise provided in the applicable Prospectus Supplement,
principal of (and premium, if any) and interest, if any, on the Debt Securities
will be payable, and the Debt Securities offered hereby will be transferable or
exchangeable, at the corporate trust office of Chemical Bank in New York City,
provided that payment of interest on any Debt Securities may be made at the
option of the Company by check mailed to the registered holders of the Debt
Securities at their registered addresses. The Company will have the right to
require a holder of any Debt Security, in connection with the payment of the
principal of (and premium, if any) and interest, if any, on such Debt Security,
to certify information to the Company or, in the absence of such certification,
the Company will be entitled to rely on any legal presumption to enable the
Company to determine its duties and liabilities, if any, to deduct or withhold
taxes, assessments or governmental charges from such payment.
 
     If the principal of (and premium, if any) or interest, if any, on any Debt
Securities are to be payable in any currency other than U.S. dollars or, at the
election of the Company or a holder thereof, in one or more currencies or
composite currencies, or if any index is used to determine the amount of
payments of principal of (and premium, if any) or interest, if any, on any
series of Debt Securities, any special Federal income tax, accounting and other
considerations applicable thereto will be described in the Prospectus Supplement
relating thereto.
 
     Some of the Debt Securities may be issued as original issue discount Debt
Securities (bearing no interest or interest at a rate which at the time of
issuance is below market rates), to be sold at a discount below their stated
principal amount. Federal income tax, accounting and other special
considerations applicable to any such original issue discount Debt Securities
will be described in the Prospectus Supplement relating thereto.
 
     Neither Indenture contains any restriction on the Company's ability to
enter into a highly leveraged transaction or any provision affording special
protection to holders of Debt Securities in the event the Company engages in a
highly leveraged transaction. Further, neither Indenture contains any provisions
that would provide protection to holders of Debt Securities upon a sudden and
dramatic decline in the credit quality of the Company resulting from a takeover,
recapitalization or similar restructuring of the Company.
 
     The Debt Securities of certain series may be issued under the Indentures
upon the exercise of Securities Warrants issued with other Debt Securities or
upon exchange or conversion of exchangeable or convertible
 
                                        7
<PAGE>   16
 
Debt Securities. The specific terms of any such Securities Warrants, the
specific terms of exchange or conversion of any such Debt Securities and the
specific terms of the Debt Securities issuable upon the exercise of any such
Securities Warrants or upon any such exchange or conversion will be described in
the Prospectus Supplement relating to any Debt Securities issued with Securities
Warrants or any such exchangeable or convertible Debt Securities.
 
SENIOR SECURITIES
 
     The Senior Securities will be direct, unsecured obligations of the Company
and will constitute Senior Indebtedness issued on a parity with the other Senior
Indebtedness of the Company. As of June 30, 1993, Senior Indebtedness and
Additional Senior Obligations of the Company aggregated approximately $6.2
billion. See "Subordinated Securities -- Subordination" below.
 
     Limitation on Disposition of Stock of Chemical Bank.  The Senior Indenture
contains a covenant by the Company that, so long as any of the Senior Securities
are outstanding, but subject to the rights of the Company in connection with its
consolidation with or merger into another person or a sale of the Company's
assets, neither the Company nor any Intermediate Subsidiary will sell, assign,
transfer, grant a security interest in or otherwise dispose of any shares of, or
securities convertible into, or options, warrants or rights to subscribe for or
purchase shares of, Voting Stock of Chemical Bank (except to the Company or an
Intermediate Subsidiary), nor will the Company or any Intermediate Subsidiary
permit Chemical Bank to issue any shares of, or securities convertible into, or
options, warrants or rights to subscribe for or purchase shares of, Voting Stock
of Chemical Bank, nor will the Company permit any Intermediate Subsidiary that
owns any shares of, or securities convertible into, or options, warrants or
rights to subscribe for or purchase shares of, Voting Stock of Chemical Bank to
cease to be an Intermediate Subsidiary, unless (i) any such sale, assignment,
transfer, grant of a security interest or other disposition is made for fair
market value, as determined by the Board of Directors of the Company (the "Board
of Directors") or such Intermediate Subsidiary, and (ii) the Company and any one
or more Intermediate Subsidiaries will collectively own at least 80% of the
issued and outstanding Voting Stock of Chemical Bank (or any successor to
Chemical Bank) free and clear of any security interest after giving effect to
such transaction. The foregoing, however, shall not preclude Chemical Bank from
being consolidated with or merged into another domestic banking corporation, if
after such merger or consolidation the Company, or any successor thereto in a
permissible merger, and any one or more Intermediate Subsidiaries own or owns at
least 80% of the Voting Stock of the resulting bank and, giving effect to the
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. An Intermediate Subsidiary is defined in the Senior Indenture as a
Subsidiary (i) that is organized under the laws of any domestic jurisdiction and
(ii) of which all the shares of each class of capital stock issued and
outstanding, and all securities convertible into, and options, warrants and
rights to subscribe for or purchase shares of, such capital stock, are owned
directly by the Company, free and clear of any security interest. The limitation
on the disposition of the Voting Stock of Chemical Bank does not prevent
Chemical Bank from engaging in a sale of assets to the extent otherwise
permitted by the Senior Indenture. (Section 1006).
 
     Events of Default.  The Senior Indenture defines an Event of Default with
respect to any series of Senior Securities as any one of the following events:
(i) default in payment of interest on any Senior Security of that series and
continuance of such default for 30 days; (ii) default in payment of principal of
(or premium, if any, on) any Senior Security of that series at Maturity; (iii)
default in the deposit of any sinking fund payment, when and as due by the terms
of a Senior Security of that series, and continuance of such default for 5 days;
(iv) failure by the Company for 60 days after due notice in performance of any
other of the covenants or warranties in the Senior Indenture (other than a
covenant or warranty included in the Senior Indenture solely for the benefit of
a series of Senior Securities other than that series); (v)(A) failure by the
Company to pay indebtedness for money borrowed, including Senior Securities of
other series, in an aggregate principal amount exceeding $25,000,000, at the
later of final maturity or upon the expiration of any applicable period of grace
with respect to such principal amount or (B) acceleration of the maturity of any
of the Company's indebtedness for money borrowed, including Senior Securities of
other series, in an aggregate principal amount exceeding $25,000,000, if such
failure to pay or acceleration results from a default under the instrument
giving
 
                                        8
<PAGE>   17
 
rise to, or securing, such indebtedness for money borrowed and is not rescinded
or annulled within 30 days after due notice, unless such default is contested in
good faith by appropriate proceedings; (vi) certain events of bankruptcy,
insolvency or reorganization of the Company or Chemical Bank; and (vii) any
other Event of Default provided with respect to Senior Securities of that
series. (Section 501).
 
     If any Event of Default with respect to Senior Securities of any series at
the time Outstanding occurs and is continuing, either the Trustee or the holders
of not less than 25% in principal amount of the Outstanding Senior Securities of
that series may declare the principal amount (or, if the Senior Securities of
that series are Original Issue Discount Securities, such portion of the
principal amount as may be specified in the terms of that series) of all Senior
Securities of that series to be due and payable immediately (provided that no
such declaration is required upon certain events of bankruptcy); but upon
certain conditions such declaration may be annulled and past defaults (except,
unless theretofore cured, a default in payment of principal of (or premium, if
any) or interest on the Senior Securities of that series and certain other
specified defaults) may be waived by the holders of a majority in principal
amount of the Outstanding Senior Securities of that series on behalf of the
holders of all Senior Securities of that series. (Sections 502 and 513).
 
     Reference is made to the Prospectus Supplement relating to each series of
Senior 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 Senior Indenture provides that the Trustee will, within 90 days after
the occurrence of a default known to it with respect to Senior Securities of any
series at the time Outstanding with respect to which it is trustee, give to the
holders of the Outstanding Senior Securities of that series notice of such
default if uncured or not waived, provided that, except in the case of default
in the payment of principal of (or premium, if any) or interest, if any, on any
Senior Security of that series, or in the payment of any sinking fund
installment which is provided for such series, such Trustee will be protected in
withholding such notice if such Trustee in good faith determines that the
withholding of such notice is in the interest of the holders of the Outstanding
Senior Securities of such series and, provided further, that such notice shall
not be given until 60 days after the occurrence of a default with respect to
Outstanding Senior Securities of any series in the performance of a covenant in
the Senior Indenture other than for the payment of the principal of (or premium,
if any) or interest, if any, on any Senior Security of such series or the
deposit of any sinking fund payment with respect to the Senior Securities of
such series. The term "default" with respect to any series of Outstanding Senior
Securities for the purpose only of this provision means any event which is, or
after notice or lapse of time or both would become, an Event of Default with
respect to Senior Securities of such series. (Section 602).
 
     The Senior Indenture provides that, subject to the duty of the Trustee
during default to act with the required standard of care, the Trustee will not
be under any obligation to exercise any of its rights or powers under the Senior
Indenture at the request or direction of any of the holders, unless such holders
shall have offered to the Trustee reasonable security or indemnity. (Section
603). The Senior Indenture provides that the holders of a majority in principal
amount of Outstanding Senior Securities of any series may direct the time,
method and place of conducting any proceeding for any remedy available to the
Trustee for that series, or exercising any trust or other power conferred on
such Trustee, provided that such Trustee may decline to act if such direction is
contrary to law or the Senior Indenture. (Section 512).
 
     The Senior Indenture includes a covenant that the Company will file
annually with the Trustee a certificate of no default, or specifying any default
that exists. (Section 1007).
 
     Defeasance and Covenant Defeasance.  The Senior Indenture provides, if such
provision is made applicable to the Senior Securities of any series pursuant to
Section 301 of the Senior Indenture (which will be indicated in the Prospectus
Supplement applicable thereto), that the Company may elect (i) to defease and be
discharged from all of its obligations with respect to such Senior Securities
then outstanding (except for the obligations to register the transfer or
exchange of such Senior Securities, to replace temporary or mutilated,
destroyed, lost or stolen Senior Securities, to maintain an office or agency in
respect of the Senior Securities and to hold moneys for payment in trust)
("defeasance") and/or (ii) to be released from its obligations with respect to
such Senior Securities then outstanding under Section 1005 and Section 1006 (and
 
                                        9
<PAGE>   18
 
any other sections applicable to such Senior Securities that are determined
pursuant to Section 301 to be subject to covenant defeasance) and the
consequences of the occurrence of an event of default specified in Section
501(4) (insofar as it is with respect to Section 1005, Section 1006 or any other
section applicable to such Senior Securities that is determined pursuant to
Section 301 to be subject to covenant defeasance) or Section 501(5) of the
Senior Indenture (Section 1005 containing the covenant to pay taxes and other
claims, Section 1006 containing the restrictions described above under
"Limitation on Disposition of Stock of Chemical Bank" and Sections 501(4) and
501(5) containing the provisions described above under "Events of Default"
relating to covenant defaults and cross-defaults, respectively) ("covenant
defeasance"), in either case upon the deposit with the Trustee (or other
qualifying trustee), in trust for such purpose, of money, and/or U.S. Government
Obligations which through the payment of principal and interest in accordance
with their terms will provide money in an amount sufficient, without
reinvestment, to pay the principal of (and premium, if any) and interest, if
any, on such Senior Securities to maturity or redemption, as the case may be,
and any mandatory sinking fund or analogous payments thereon. As a condition to
defeasance or covenant defeasance, the Company must deliver to the Trustee an
Opinion of Counsel (as specified in the Senior Indenture) to the effect that the
holders of such Senior Securities will not recognize income, gain or loss for
Federal income tax purposes as a result of such defeasance or covenant
defeasance and will be subject to Federal income tax on the same amounts, in the
same manner and at the same times as would have been the case if such defeasance
or covenant defeasance had not occurred. Such opinion, in the case of defeasance
under clause (i) above, must refer to and be based upon a ruling of the Internal
Revenue Service issued to the Company or published as a revenue ruling or upon a
change in applicable Federal income tax law, in any such case after the date of
the Senior Indenture.
 
     Under current Federal income tax law, defeasance would likely be treated as
a taxable exchange of such Senior Securities for interests in the defeasance
trust. As a consequence, a holder would recognize gain or loss equal to the
difference between the holder's cost or other tax basis for such Senior
Securities and the value of the holder's proportionate interest in the
defeasance trust, and thereafter would be required to include in income a
proportionate share of the income, gain or loss, as the case may be, of the
defeasance trust. Under current Federal income tax law, covenant defeasance
would ordinarily not be treated as a taxable exchange of such Senior Securities.
Purchasers of such Senior Securities should consult their own advisors with
respect to the tax consequences to them of such defeasance and covenant
defeasance, including the applicability and effect of tax laws other than the
Federal income tax law.
 
     If the Company exercises its covenant defeasance option with respect to any
series of Senior Securities, payment of such Senior Securities may not be
accelerated by reference to the covenants relating to covenant defeasance
described above. The Company may exercise its defeasance option with respect to
such Senior Securities notwithstanding its prior exercise of its covenant
defeasance option. If the Company exercises its defeasance option, payment of
such Senior Securities may not be accelerated because of any Event of Default.
If the Company exercises its defeasance option or covenant defeasance option and
an acceleration were to occur, the realizable value at the acceleration date of
the money and U.S. Government Obligations in the defeasance trust could be less
than the principal and interest then due on such Senior Securities, in that the
required deposit in the defeasance trust is based upon scheduled cash flows
rather than market value, which will vary depending upon interest rates and
other factors.
 
     The Prospectus Supplement may further describe the provisions, if any,
applicable to defeasance or covenant defeasance with respect to the Senior
Securities of a particular series.
 
     Modification of the Indenture.  Modification and amendments of the Senior
Indenture may be made by the Company and the Trustee with the consent of the
holders of not less than a majority in principal amount of each series of
Outstanding Senior Securities affected thereby, by executing supplemental
indentures adding any provisions to or changing or eliminating any of the
provisions of the Senior Indenture or modifying the rights of the holders of
Outstanding Senior Securities of such series, except that no such supplemental
indenture may (i) change the Stated Maturity of any Senior Security of any
series, or reduce the principal amount thereof (or premium, if any, thereon), or
reduce the rate of payment of interest thereon, or change certain other
provisions relating to the yield of the Senior Securities or change the currency
or currencies in which the same is payable; (ii) reduce the aforesaid percentage
of Outstanding Senior Securities of any series,
 
                                       10
<PAGE>   19
 
the consent of the holders of which is required for any supplemental indenture,
or reduce the percentage of principal amount of Outstanding Senior Securities
necessary for waiver of compliance with certain provisions of the Senior
Indenture or for waiver of certain covenants and defaults; or (iii) modify the
provisions of the Senior Indenture relating to modification and amendment of the
Senior Indenture. The Senior Indenture provides, however, that each of the
amendments and modifications listed in clauses (i) through (iii) above may be
made with the consent of the holder of each Outstanding Senior Security affected
thereby. (Section 902).
 
     Consolidation, Merger and Sale of Assets.  The Company, without the consent
of the holders of any of the Senior Securities under the Senior Indenture, may
consolidate with or merge into any other person or transfer or lease its assets
substantially as an entirety to any person or may permit any corporation to
merge into the Company, provided that: (i) the successor is a person organized
under the laws of any domestic jurisdiction; (ii) the successor person, if other
than the Company, assumes the Company's obligations on the Senior Securities and
under the Senior Indenture; (iii) after giving effect to the 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 occurred and be continuing; and
(iv) certain other conditions are met. (Section 801).
 
     Outstanding Senior Securities.  The Senior Indenture provides that, in
determining whether the holders of the requisite principal amount of Outstanding
Senior Securities have given any request, demand, authorization, direction,
notice, consent or waiver, (i) the portion of the principal amount of an
Original Issue Discount Security that shall be deemed to be Outstanding for such
purpose shall be that portion of the principal amount thereof that would be due
and payable as of the date of such determination upon acceleration of the
Maturity thereof; (ii) the portion of the principal amount of a Senior Security
denominated in a foreign or composite currency or currencies that shall be
deemed to be Outstanding for such purpose shall be the U.S. dollar equivalent,
determined on the date of original issuance of such Senior 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 Senior Security
of the amount determined as provided in (i) above) of such Senior Security;
(iii) the portion of the principal amount of a Senior Security for which the
amount of payments of principal of and any premium or interest on such Senior
Security may be determined with reference to an index that shall be deemed to be
Outstanding for such purpose shall be determined as of the date of original
issuance of such Senior Security; and (iv) Senior Securities owned by the
Company, any of its Affiliates or any other obligor upon the Senior Securities
shall not be deemed to be Outstanding. (Section 101).
 
SUBORDINATED SECURITIES
 
     The Subordinated Securities will be direct, unsecured obligations of the
Company. The obligations of the Company pursuant to the Subordinated Securities
will be subordinate in right of payment to all Senior Indebtedness and, in
certain circumstances relating to the dissolution, winding-up, liquidation or
reorganization of the Company, to all Additional Senior Obligations, whether
outstanding as of the date hereof or hereafter created, assumed or incurred, as
discussed below under "Subordination". The Subordinated Indenture does not
contain any restriction on the amount of Senior Indebtedness or Additional
Senior Obligations which the Company may incur.
 
     Unless otherwise indicated in the applicable Prospectus Supplement, the
maturity of the Subordinated Securities will be subject to acceleration only in
the event of certain events of bankruptcy or reorganization of the Company. See
"Defaults and Waiver Thereof" below.
 
     The holders of Subordinated Securities of a specified series that are
convertible into Common Stock ("Subordinated Convertible Securities") will be
entitled at certain times specified in the Prospectus Supplement relating to
such Subordinated Convertible Securities, subject to prior redemption, repayment
or repurchase, to convert any Subordinated Convertible Securities of such series
into Common Stock, at the conversion price set forth in such Prospectus
Supplement, subject to adjustment and to such other terms as are set forth in
such Prospectus Supplement.
 
     The holders of Subordinated Securities of any series may be obligated at
maturity, or at any earlier time as set forth in the Prospectus Supplement
relating to such series, to exchange them for Capital Securities of
 
                                       11
<PAGE>   20
 
the Company. The terms of any such exchange and the Capital Securities issuable
upon such exchange will be described in the Prospectus Supplement relating to
such series of Subordinated Securities. (Article Seventeen). "Capital
Securities" may consist of Common Stock, perpetual preferred stock or other
capital securities of the Company acceptable to its primary Federal banking
regulator. Currently, the Company's primary Federal banking regulator is the
Board of Governors of the Federal Reserve System (the "Federal Reserve Board").
Whenever Subordinated Securities are exchangeable for Capital Securities, the
Company will be obligated to deliver Capital Securities with a market value
equal to the principal amount of such Subordinated Securities. In addition, the
Company will unconditionally undertake, at the expense of the Company, to sell
the Capital Securities in a sale (the "Secondary Offering") on behalf of any
holders who elect to receive cash for the Capital Securities. The Common Stock
is described below under "Description of Capital Stock -- Common Stock". A
general description of the preferred stock of the Company is set forth below
under "Description of Capital Stock -- Preferred Stock".
 
     The staff of the Commission has advised the Company that Rule 13e-4 of the
Commission's rules and regulations relating to tender offers by issuers, as
currently in effect and interpreted, would be applicable to the exchange of
Subordinated Securities of any series for Capital Securities and to any
Secondary Offering. If, at the time of the exchange of Subordinated Securities
of any series for Capital Securities and the Secondary Offering, Rule 13e-4 (or
any successor rule or rules) applies to such transactions, the Company will
comply with such rule (or any successor rule or rules) and will afford holders
of such Subordinated Securities all rights and will make all filings required by
such rule (or successor rule or rules). If fewer than all of the Subordinated
Securities of a series may be exchanged for Capital Securities pursuant to the
terms of such Subordinated Securities, the particular Subordinated Securities to
be exchanged shall be selected by the Trustee utilizing a method the Trustee
deems fair and equitable, provided that such method shall comply with the
requirements of applicable law, including Federal securities law.
 
     Subordination.  The Subordinated Securities will be subordinate in right of
payment as provided in the Subordinated Indenture to all Senior Indebtedness
and, under certain circumstances, to all Additional Senior Obligations.
 
     The Subordinated Indenture provides that "Senior Indebtedness" shall mean
the principal of (and premium, if any) and interest on (i) all indebtedness of
the Company for money borrowed, whether outstanding on the date of execution of
the Subordinated Indenture or thereafter created, assumed or incurred, except
(A) Subordinated Securities issued under the Subordinated Indenture, (B)
Antecedent CBC Subordinated Indebtedness (as hereinafter defined), (C) Assumed
MHC Subordinated Indebtedness (as hereinafter defined) and (D) such other
indebtedness of the Company which by its terms is expressly stated to be not
superior in right of payment to the Subordinated Securities or to rank pari
passu in right of payment with the Subordinated Securities (such other
indebtedness hereinafter referred to as "Other Subordinated Indebtedness") and
(ii) any deferrals, renewals or extensions of any such Senior Indebtedness. The
term "indebtedness of the Company for money borrowed" shall mean any obligation
of, or any obligation guaranteed by, the Company for the repayment of money
borrowed, whether or not evidenced by bonds, debentures, notes or other written
instruments, and any deferred obligation for payment of the purchase price of
property or assets.
 
     The Subordinated Indenture also provides that "Additional Senior
Obligations" shall mean all indebtedness of the Company, whether outstanding on
December 15, 1992 or thereafter created, assumed or incurred, for claims in
respect of derivative products such as interest and foreign exchange rate
contracts, commodity contracts and similar arrangements; provided, however, that
Additional Senior Obligations do not include claims in respect of Senior
Indebtedness or obligations which, by their terms, are expressly stated to be
not superior in right of payment to the Subordinated Securities or to rank pari
passu in right of payment with the Subordinated Securities. For purposes of this
definition, "claim" shall have the meaning assigned thereto in Section 101(4) of
the United States Bankruptcy Code of 1978, as amended and in effect on December
15, 1992.
 
                                       12
<PAGE>   21
 
     At June 30, 1993, an aggregate principal amount of approximately $400
million of Subordinated Securities and an aggregate principal amount of
approximately $100 million of Other Subordinated Indebtedness was outstanding.
 
     Antecedent CBC Subordinated Indebtedness is defined as the following
outstanding subordinated indebtedness of the Company issued prior to December
15, 1992: (i) the 10 1/8% Subordinated Capital Notes Due 2000; (ii) the 9 3/4%
Subordinated Capital Notes Due 1999; (iii) the Floating Rate Subordinated
Capital Notes Due 1999; (iv) the Floating Rate Subordinated Capital Notes Due
October 1997; (v) the 8 1/2% Subordinated Notes Due 2002; (vi) the 8 5/8%
Subordinated Debentures Due 2002; (vii) the 8 1/8% Subordinated Notes Due 2002;
(viii) the 10 3/8% Subordinated Notes Due 1999; and (ix) the Floating Rate
Subordinated Notes Due 1998. At June 30, 1993, an aggregate principal amount of
$1.42 billion of Antecedent CBC Subordinated Indebtedness was outstanding.
 
     Assumed MHC Subordinated Indebtedness is defined as the following
outstanding subordinated indebtedness of the Company which was assumed by the
Company as a result of the Merger: (i) the Floating Rate Subordinated Notes Due
1997; (ii) the 8.50% Subordinated Capital Notes Due 1999; (iii) the Floating
Rate Subordinated Capital Notes Due 1998; and (iv) the Floating Rate
Subordinated Notes Due 1996. At June 30, 1993, an aggregate principal amount of
$382 million of Assumed MHC Subordinated Indebtedness was outstanding.
 
     The Subordinated Securities will be subordinate in right of payment as
provided in the Subordinated Indenture to all Senior Indebtedness. No payment
pursuant to the Subordinated Securities or exchange for Capital Securities may
be made, and no holder of the Subordinated Securities shall be entitled to
demand or receive any such payment or exchange, unless all amounts of principal
(and premium, if any) and interest, if any, then due with respect to all Senior
Indebtedness shall have been paid in full or duly provided for, and unless at
the time of such payment or exchange and immediately after giving effect
thereto, there shall not exist with respect to any such Senior Indebtedness any
event of default permitting the holders thereof to accelerate the maturity
thereof or any event which, with notice or lapse of time or both, would become
such an event of default. Such subordination will not prevent the occurrence of
any default in respect of the Subordinated Securities. See "Defaults and Waivers
Thereof " below for limitations on the rights of acceleration. (Article
Sixteen).
 
     Upon any distribution of the assets of the Company upon dissolution,
winding-up, liquidation or reorganization, (i) the holders of Senior
Indebtedness will be entitled to receive payment in full of principal (and
premium, if any) and interest, if any, before any payment or distribution is
made on the Subordinated Securities, and (ii) if, after giving effect to the
operation of clause (i) above, (A) amounts remain available for payment or
distribution in respect of the Subordinated Securities and (B) creditors in
respect of Additional Senior Obligations have not received payment in full of
amounts due or to become due thereon or payment of such amounts has not been
duly provided for, then such amounts available for payment or distribution in
respect of the Subordinated Securities shall first be applied to pay or provide
for the payment in full of all such Additional Senior Obligations before any
payment may be made on the Subordinated Securities.
 
     The Subordinated Securities will not be subordinated to indebtedness of the
Company which is not Senior Indebtedness or Additional Senior Obligations, and
the creditors of the Company who do not hold Senior Indebtedness or Additional
Senior Obligations will not benefit from the subordination provisions described
herein. In the event of the bankruptcy or reorganization of the Company before
or after maturity of the Subordinated Securities (and prior to any exchange or
conversion thereof), such other creditors would rank pari passu in right of
payment with holders of the Subordinated Securities, subject, however, to the
broad equity powers of a Federal bankruptcy court pursuant to which such court
may, among other things, reclassify the claims of holders of any series of
Subordinated Securities into a class of claims having a different relative
priority with respect to the claims of such other creditors or any other claims
against the Company.
 
     No series of subordinated debt securities of the Company (including,
without limitation, the Subordinated Securities, the Antecedent CBC Subordinated
Indebtedness, the Assumed MHC Subordinated Indebtedness and the Other
Subordinated Indebtedness), is subordinated to any other series of subordinated
 
                                       13
<PAGE>   22
 
debt securities of the Company. However, Antecedent CBC Subordinated
Indebtedness is subordinated, by its terms, only to Senior Indebtedness;
Subordinated Securities and Other Subordinated Indebtedness will be
subordinated, by their terms, to Senior Indebtedness and, in certain
circumstances relating to the dissolution, winding-up, liquidation or
reorganization of the Company, to Additional Senior Obligations; and Assumed MHC
Subordinated Indebtedness is subordinated, by its terms, to Senior Indebtedness,
Additional Senior Obligations and all other obligations of the Company to its
creditors other than any obligation of the Company as is by its terms expressly
stated to be not superior in right of payment to or to rank pari passu in right
of payment with such Assumed MHC Subordinated Indebtedness. As a result of the
differences between the subordination provisions applicable to the Subordinated
Securities, the Antecedent CBC Subordinated Indebtedness, the Assumed MHC
Subordinated Indebtedness and the Other Subordinated Indebtedness, in the event
of a dissolution, winding-up, liquidation or reorganization of the Company, the
holders of Subordinated Securities and Other Subordinated Indebtedness may
receive less, ratably, than the holders of Antecedent CBC Subordinated
Indebtedness, but more, ratably, than the holders of Assumed MHC Subordinated
Indebtedness.
 
     Limitation on Disposition of Voting Stock of Chemical Bank.  With respect
to Subordinated Securities, the Subordinated Indenture contains no covenant that
the Company will not sell, transfer or otherwise dispose of any shares of, or
securities convertible into, or options, warrants or rights to subscribe for or
purchase shares of, voting stock of Chemical Bank, nor does it prohibit Chemical
Bank from issuing any shares of, securities convertible into, or options,
warrants or rights to subscribe for or purchase shares of, voting stock of
Chemical Bank. However, the Subordinated Indenture does contain a covenant by
the Company, for the exclusive benefit of the Antecedent CBC Subordinated
Indebtedness and subject to the provisions described below under "Consolidation,
Merger and Sale of Assets," that the Company will not sell, transfer or
otherwise dispose of any shares of, or securities convertible into, or options,
warrants or rights to subscribe for or purchase shares of, voting stock of
Chemical Bank, nor will it permit Chemical Bank to issue any shares of,
securities convertible into, or options, warrants or rights to subscribe for or
purchase shares of, voting stock of Chemical Bank, with the following
exceptions: (i) issuances or sales of directors' qualifying shares; (ii)
issuances or sales of shares to the Company; (iii) sales or other dispositions
or issuances for fair market value, as determined by the Board of Directors, if
after giving effect to such sales, dispositions or issuances and to the issuance
of any shares issuable upon conversion of convertible securities or upon the
exercise of options, warrants or rights, the Company would own directly or
indirectly through subsidiaries not less than 80% of the issued and outstanding
shares of voting stock of Chemical Bank; (iv) sales or other dispositions or
issuances made in compliance with an order or direction of a court or regulatory
authority of competent jurisdiction; and (v) sales of voting stock by Chemical
Bank to its shareholders if such sales do not reduce the percentage of shares of
voting stock owned by the Company. (Section 5.07).
 
     Defaults and Waiver Thereof.  The Subordinated Indenture defines an Event
of Default with respect to any series of Subordinated Securities as (i) any one
of certain events of bankruptcy or reorganization affecting the Company and (ii)
any other Event of Default specifically provided for by the terms of such series
of Subordinated Securities, as described in the Prospectus Supplement relating
thereto. (Section 7.01). In case an Event of Default shall have occurred and be
continuing with respect to any series of Subordinated Securities then
outstanding under the Subordinated Indenture, the Trustee or the holders of at
least 25% in aggregate principal amount of the Subordinated Securities of that
series which are then outstanding may declare the principal (or, in the case of
original issue discount Subordinated Securities, such lesser amount of principal
as may be provided therein) of all Subordinated Securities of that series to be
due and payable immediately in cash, but such declaration may be annulled, and
certain past defaults may be waived, by the holders of not less than a majority
in aggregate principal amount of the Subordinated Securities of that series,
upon the conditions provided in the Subordinated Indenture. (Section 7.01). The
right of the holders of Subordinated Securities of a series to demand payment in
cash would exist upon the occurrence and continuance of an Event of Default
before or after the stated maturity of the Subordinated Securities of such
series, so long as the Subordinated Securities of such series have not been
exchanged or converted as provided in the Subordinated Indenture. Any such right
to payment in cash would, in the event of the bankruptcy or reorganization of
the Company, be subject as to enforcement to the broad equity powers of a
Federal bankruptcy court and to the determination by that court of the nature
and status of the payment claims of the
 
                                       14
<PAGE>   23
 
holders of the Subordinated Securities. Prior to any declaration accelerating
the maturity of the Subordinated Securities of any series, the holders of a
majority in aggregate principal amount of the Subordinated Securities of that
series at the time outstanding may on behalf of the holders of all Subordinated
Securities of that series waive any past default or Event of Default and its
consequences, except a default in the payment of the principal of (or premium,
if any) or interest, if any, on the Subordinated Securities of that series.
(Section 7.07).
 
     Unless otherwise provided in the terms of a series of Subordinated
Securities, there will be no right of acceleration of the payment of principal
of the Subordinated Securities of such series upon a default in the payment of
principal or interest or a default in the performance of any covenant or
agreement in the Subordinated Securities or the Subordinated Indenture. In the
event of a default in the payment of interest or principal (including the
delivery of any Capital Securities in exchange for Subordinated Securities) or
the performance of any covenant or agreement in the Subordinated Securities or
the Subordinated Indenture, the Trustee may, subject to certain limitations and
conditions, seek to enforce payment of such interest or principal (including the
delivery of any Capital Securities in exchange for Subordinated Securities) or
the performance of such covenant or agreement.
 
     The Subordinated Indenture provides that the Trustee shall, within 90 days
after the occurrence of a default with respect to the Subordinated Securities of
any series, give to the holders of the Subordinated Securities of that series
notice of all uncured defaults known to it (the term "default" being defined to
include the events specified above without grace periods or notice), provided,
that except in the case of an Event of Default that relates to the bankruptcy or
reorganization of the Company or a default in payment of principal (or premium,
if any) or interest, if any, in respect of the Subordinated Securities of that
series, or the obligation to deliver Capital Securities in exchange for such
Subordinated Securities, the Trustee shall be protected in withholding such
notice if and so long as the board of directors or trustees, the executive
committee or a trust committee of directors or responsible officers or both, of
the Trustee, in good faith determines that the withholding of such notice is in
the interest of such holders. (Section 7.08). The Company will be required to
furnish to the Trustee annually an officers' certificate as to the absence of
defaults under the Subordinated Indenture. (Section 5.06).
 
     Subject to the provisions of the Subordinated Indenture relating to the
duties of the Trustee, the Trustee will be under no obligation to exercise any
of its rights or powers under the Subordinated Indenture at the request, order
or direction of any of the holders of the Subordinated Securities, unless such
holders shall have offered to the Trustee reasonable security or indemnity.
Subject to such provision for security or indemnification, the holders of a
majority in principal amount of the Subordinated Securities of any series then
outstanding under the Subordinated Indenture will have the right to direct the
time, method and place of conducting any proceeding for any remedy available to,
or exercising any trust or power conferred on, the Trustee with respect to the
Subordinated Securities of such series. (Sections 7.07 and 8.02).
 
     Modification of the Indenture.  The Subordinated Indenture contains
provisions permitting the Company and the Trustee, with the consent of the
holders of not less than a majority in principal amount of the Subordinated
Securities at the time outstanding of each series affected by such modification,
to modify the Subordinated Indenture or any supplemental indenture or the rights
of the holders of the Subordinated Securities, provided that no such
modification shall, without the consent of the holder of each Subordinated
Security affected thereby: (i) change the stated maturity date of the principal
of, or any installment of principal of or interest on, any such Subordinated
Security; (ii) reduce the principal amount of (or premium, if any) or interest,
if any, on any such Subordinated Security; (iii) reduce the portion of the
principal amount of an original issue discount Subordinated Security payable
upon acceleration of the maturity thereof; (iv) reduce any amount payable upon
redemption of any Subordinated Security; (v) change the place or places where,
or the coin or currency in which, any Subordinated Security or any premium or
the interest thereon is payable; (vi) change the definition of "Market Value";
(vii) impair the right of any holders of Subordinated Securities of any series
to receive on any Exchange Date for Subordinated Securities of such series
Capital Securities with a Market Value equal to that required by the terms of
the Subordinated Securities; (viii) impair the conversion rights of any holders
of Subordinated Securities of a series entitled to the conversion rights set
forth in Article Nineteen of the Subordinated Indenture; (ix) impair the right
of a
 
                                       15
<PAGE>   24
 
holder to institute suit for the enforcement of any payment on or with respect
to any such Subordinated Security (including any right of redemption at the
option of the holder of such Subordinated Security) or impair any rights to the
delivery of Capital Securities in exchange for any Subordinated Security or to
require the Company to sell Capital Securities in a Secondary Offering or to
require the delivery of Common Stock, Debt Securities or other property upon
conversion of Subordinated Securities; (x) reduce the above-stated percentage of
Subordinated Securities of any series the consent of the holders of which is
necessary to modify or amend the Subordinated Indenture or reduce the percentage
of Subordinated Securities of any series the holders of which are required to
waive any past default or Event of Default; or (xi) modify the foregoing
requirements. (Section 11.02).
 
     The Subordinated Indenture permits the Company and the Trustee to amend the
Subordinated Indenture in certain circumstances without the consent of the
holders of Subordinated Securities to evidence the merger of the Company or the
replacement of the Trustee, to effect modifications which do not affect any
series of Subordinated Securities already outstanding and for certain other
purposes. (Section 11.01).
 
     Consolidation, Merger and Sale of Assets.  The Company may not merge or
consolidate with any other corporation or sell or convey all or substantially
all of its assets as an entirety to any other corporation, unless (i) either the
Company shall be the continuing corporation or the successor corporation shall
expressly assume the payment of the principal of (including issuance and
delivery of Capital Securities) (and premium, if any) and interest, if any, on
the Subordinated Securities and the performance and observance of all the
covenants and conditions of the Subordinated Indenture binding upon the Company,
and (ii) the Company or such successor corporation shall not, immediately after
such merger or consolidation or such sale or conveyance, be in default in the
performance of any such covenant or condition. (Article Twelve).
 
PERMANENT GLOBAL DEBT SECURITIES
 
     If any Debt Securities are to be issued in permanent global form, the
Prospectus Supplement relating thereto will describe the circumstances, if any,
under which beneficial owners of interests in any such permanent global Debt
Security may exchange such interests for Debt Securities of such series and like
tenor of any authorized form and denomination. Principal of (and premium, if
any) and interest, if any, on a permanent global Debt Security will be payable
in the manner described in the Prospectus Supplement relating thereto. Persons
holding beneficial interests in such a permanent global Debt Security will,
pursuant to arrangements between such persons and the depository (the record
holder of the global Debt Security), be treated as holders of the Debt Security
for other purposes to the extent specified in writing by such depository.
 
INFORMATION CONCERNING THE TRUSTEES
 
     The Company, Chemical Bank and certain other subsidiaries of the Company
maintain deposits with, and conduct other banking transactions with, the
Trustees under each of the Indentures in the ordinary course of business. Morgan
Guaranty Trust Company of New York is trustee under indentures of the Company
pursuant to which certain Senior Indebtedness is outstanding.
 
                         DESCRIPTION OF PREFERRED STOCK
 
     The following description of the terms of the Preferred Stock sets forth
certain general terms and provisions of the Preferred Stock to which any
Prospectus Supplement may relate. Certain terms of any series of the Preferred
Stock offered by any Prospectus Supplement will be described in the Prospectus
Supplement relating to such series of the Preferred Stock. If so indicated in
the Prospectus Supplement, the terms of any such series may differ from the
terms set forth below. The description of certain provisions of the Preferred
Stock set forth below and in any Prospectus Supplement does not purport to be
complete and is subject to and qualified in its entirety by reference to the
Certificate of Designations relating to such series of the Preferred Stock which
will be filed with the Commission promptly after the offering of such series of
Preferred Stock. A form of Certificate of Designations is filed as an exhibit to
the Registration Statement to which this Prospectus relates.
 
                                       16
<PAGE>   25
 
GENERAL
 
     Under the Company's Certificate of Incorporation, the Board of Directors of
the Company (the "Board of Directors") is authorized, without further
stockholder action, to provide for the issuance of up to 200,000,000 shares of
preferred stock, $1 par value per share, in one or more series, with such voting
powers and with such designations, preferences and relative, participating,
optional or other special rights, and qualifications, limitations or
restrictions, as shall be set forth in resolutions providing for the issue
thereof adopted by the Board of Directors or a duly authorized committee
thereof. The Company may amend from time to time its Certificate of
Incorporation to increase the number of authorized shares of preferred stock.
Any such amendment would require the approval of the holders of a majority of
the outstanding shares of Common Stock, and the approval of the holders of a
majority of the outstanding shares of all series of preferred stock voting
together as a single class without regard to series. As of the date of this
Prospectus, the Company has eight series of preferred stock outstanding, which
are described below under "Outstanding Preferred Stock".
 
     Under regulations adopted by the Federal Reserve Board, if the holders of
any series of Preferred Stock become entitled to vote for the election of
directors because dividends on such series are in arrears as described below
under "Voting Rights", such series may then be deemed a "class of voting
securities" and a holder of 25% or more of such series (or a holder of 5% or
more if it otherwise exercises a "controlling influence" over the Company) may
then be subject to regulation as a bank holding company in accordance with the
BHCA. In addition, at such time as such series is deemed a class of voting
securities, (i) any other bank holding company may be required to obtain the
prior approval of the Federal Reserve Board under the BHCA to acquire or retain
5% or more of such series, and (ii) any person other than a bank holding company
may be required to obtain the approval of the Federal Reserve Board under the
Change in Bank Control Act to acquire or retain 10% or more of such series.
 
     The Preferred Stock shall have the dividend, liquidation, redemption,
voting and conversion rights set forth below unless otherwise provided in the
Prospectus Supplement relating to a particular series of the Preferred Stock.
Reference is made to the Prospectus Supplement relating to the particular series
of the Preferred Stock offered thereby for specific terms, including: (i) the
title and liquidation preference per share of such Preferred Stock and the
number of shares offered; (ii) the price at which such Preferred Stock will be
issued; (iii) the dividend rate (or method of calculation), the dates on which
dividends shall be payable, whether such dividends shall be cumulative or
noncumulative and, if cumulative, the dates from which dividends shall commence
to accumulate; (iv) any redemption or sinking fund provisions of such Preferred
Stock; (v) any conversion provisions of such Preferred Stock; (vi) whether the
Company has elected to offer Depositary Shares with respect to such Preferred
Stock as described below under "Depositary Shares"; and (vii) any additional
dividend, liquidation, redemption, sinking fund and other rights, preferences,
privileges, limitations and restrictions of such Preferred Stock.
 
     The Preferred Stock will, when issued, be fully paid and nonassessable.
Unless otherwise specified in the Prospectus Supplement relating to a particular
series of the Preferred Stock, each series of the Preferred Stock will rank on a
parity as to dividends and distributions in the event of a liquidation with the
outstanding preferred stock of the Company and each other series of the
Preferred Stock. See "Outstanding Preferred Stock" below.
 
DIVIDEND RIGHTS
 
     Holders of the Preferred Stock of each series will be entitled to receive,
when, as and if declared by the Board of Directors, out of assets of the Company
legally available therefor, cash dividends at such rates and on such dates as
are set forth in the Prospectus Supplement relating to such series of the
Preferred Stock. Such rate may be fixed or variable or both. Each such dividend
will be payable to the holders of record as they appear on the stock books of
the Company (or, if applicable, the records of the Depositary referred to below
under "Depositary Shares") on such record dates as will be fixed by the Board of
Directors or a duly authorized committee thereof. Dividends on any series of the
Preferred Stock may be cumulative or noncumulative, as provided in the
Prospectus Supplement relating thereto. If the Board of Directors fails to
 
                                       17
<PAGE>   26
 
declare a dividend payable on a dividend payment date on any series of Preferred
Stock for which dividends are noncumulative, then the right to receive a
dividend in respect of the dividend period ending on such dividend payment date
will be lost, and the Company shall have no obligation to pay the dividend
accrued for that period, whether or not dividends are declared for any future
period.
 
     No full dividends will be declared or paid or set apart for payment on the
Preferred Stock of any series ranking, as to dividends, on a parity with or
junior to any other series of preferred stock for any period unless full
dividends have been or contemporaneously are declared and paid, or declared and
a sum sufficient for the payment thereof set apart for such payment, on such
other series of preferred stock for the then-current dividend payment period
and, if such other preferred stock is cumulative, all other dividend payment
periods terminating on or before the date of payment of such full dividends.
When dividends are not paid in full upon any series of the Preferred Stock and
any other preferred stock ranking on a parity as to dividends with such series
of the Preferred Stock, all dividends declared upon such series of the Preferred
Stock and any other preferred stock ranking on a parity as to dividends will be
declared pro rata so that the amount of dividends declared per share on such
series of the Preferred Stock and such other preferred stock will in all cases
bear to each other the same ratio that accrued dividends per share on such
series of the Preferred Stock and such other preferred stock bear to each other.
Except as provided in the preceding sentence, unless full dividends, including,
in the case of cumulative Preferred Stock, accumulations, if any, in respect of
prior dividend payment periods, on all outstanding shares of any series of the
Preferred Stock have been paid, no dividends (other than in shares of Common
Stock or another stock ranking junior to such series of the Preferred Stock as
to dividends and upon liquidation) will be declared or paid or set aside for
payment or other distributions made upon the Common Stock or any other stock of
the Company ranking junior to or on a parity with the Preferred Stock as to
dividends or upon liquidation, nor will any Common Stock or any other stock of
the Company ranking junior to or on a parity with such series of the Preferred
Stock as to dividends or upon liquidation be redeemed, purchased or otherwise
acquired for any consideration (or any moneys be paid to or made available for a
sinking fund for the redemption of any shares of any such stock) by the Company
(except by conversion into or exchange for stock of the Company ranking junior
to such series of the Preferred Stock as to dividends and upon liquidation). No
interest, or sum of money in lieu of interest, shall be payable in respect of
any dividend payment or payments which may be in arrears.
 
     The amount of dividends payable for each dividend period will be computed
by annualizing the applicable dividend rate and dividing by the number of
dividend periods in a year, except that the amount of dividends payable for the
initial dividend period or any period shorter than a full dividend period shall
be computed on the basis of 30-day months, a 360-day year and the actual number
of days elapsed in the period.
 
     Each series of Preferred Stock will be entitled to dividends as described
in the Prospectus Supplement relating to such series, which may be based upon
one or more methods of determination. Different series of the Preferred Stock
may be entitled to dividends at different dividend rates or based upon different
methods of determination.
 
RIGHTS UPON LIQUIDATION
 
     In the event of any voluntary or involuntary liquidation, dissolution or
winding up of the Company, the holders of each series of Preferred Stock will be
entitled to receive out of assets of the Company available for distribution to
stockholders, before any distribution of assets is made to holders of Common
Stock or any other class of stock ranking junior to such series of the Preferred
Stock upon liquidation, liquidating distributions in the amount set forth in the
Prospectus Supplement relating to such series of the Preferred Stock plus an
amount equal to accrued and unpaid dividends for the then-current dividend
period and, if such series of the Preferred Stock is cumulative, for all
dividend periods prior thereto. If, upon any voluntary or involuntary
liquidation, dissolution or winding up of the Company, the amounts payable with
respect to the Preferred Stock of any series and any other shares of stock of
the Company ranking as to any such distribution on a parity with such series of
the Preferred Stock are not paid in full, the holders of the Preferred Stock of
such series and of such other shares will share ratably in any such distribution
of assets of the Company in proportion to the full respective preferential
amounts to which they are entitled. After payment of the full amount of the
liquidating distribution to which they are entitled, the holders of such series
of Preferred Stock
 
                                       18
<PAGE>   27
 
will have no right or claim to any of the remaining assets of the Company.
Neither the sale of all or substantially all the property or business of the
Company nor the merger or consolidation of the Company into or with any other
corporation shall be deemed to be a dissolution, liquidation or winding up,
voluntary or involuntary, of the Company.
 
REDEMPTION
 
     A series of the Preferred Stock may be redeemable, in whole or in part, at
the option of the Company, and may be subject to mandatory redemption pursuant
to a sinking fund, in each case upon terms, at the times and at the redemption
prices set forth in the Prospectus Supplement relating to such series.
 
     The Prospectus Supplement relating to a series of Preferred Stock which is
subject to mandatory redemption shall specify the number of shares of such
series of Preferred Stock which shall be redeemed by the Company in each year
commencing after a date to be specified, at a redemption price per share to be
specified, together with an amount equal to any accrued and unpaid dividends
thereon to the date of redemption. The redemption price may be payable in cash,
capital stock or in cash received from the net proceeds of the issuance of
capital stock of the Company, as specified in the Prospectus Supplement relating
to such series of Preferred Stock. If the redemption price is payable only from
the net proceeds of the issuance of capital stock of the Company, the terms of
such series may provide that, if no such capital stock shall have been issued or
to the extent the net proceeds from any issuances are insufficient to pay in
full the aggregate redemption price then due, the applicable shares of such
series of Preferred Stock shall automatically and mandatorily be converted into
shares of the applicable capital stock of the Company pursuant to conversion
provisions specified in the Prospectus Supplement relating to such series of
Preferred Stock.
 
     If fewer than all the outstanding shares of any series of the Preferred
Stock are to be redeemed, whether by mandatory or optional redemption, the
selection of the shares to be redeemed shall be determined by lot or pro rata as
may be determined by the Board of Directors or a duly authorized committee
thereof, or by any other method which may be determined by the Board of
Directors or such committee to be equitable. From and after the date of
redemption (unless default shall be made by the Company in providing for the
payment of the redemption price), dividends shall cease to accrue on the shares
of Preferred Stock called for redemption and all rights of the holders thereof
(except the right to receive the redemption price) shall cease.
 
     In the event that full dividends, including accumulations in the case of
cumulative Preferred Stock, on any series of the Preferred Stock have not been
paid, such series of the Preferred Stock may not be redeemed in part and the
Company may not purchase or acquire any shares of such series of the Preferred
Stock otherwise than pursuant to a purchase or exchange offer made on the same
terms to all holders of such series of the Preferred Stock.
 
CONVERSION RIGHTS
 
     The Prospectus Supplement for any series of the Preferred Stock will state
the terms, if any, on which shares of that series are convertible into shares of
Common Stock or another series of preferred stock of the Company. As described
under "Redemption" above, under certain circumstances, the Preferred Stock may
be mandatorily converted into Common Stock or another series of preferred stock
of the Company. The Preferred Stock will have no preemptive rights.
 
VOTING RIGHTS
 
     Except as indicated below or in the Prospectus Supplement relating to a
particular series of Preferred Stock, or except as expressly required by
applicable law, the holders of the Preferred Stock will not be entitled to vote.
Except as indicated in the Prospectus Supplement relating to a particular series
of Preferred Stock, in the event the Company issues full shares of any series of
Preferred Stock, each such share will be entitled to one vote on matters on
which holders of such series of the Preferred Stock are entitled to vote.
However, as more fully described below under "Depositary Shares", if the Company
elects to issue Depositary Shares representing a fraction of a share of a series
of Preferred Stock, each such Depositary Share will, in effect, be entitled to
such fraction of a vote, rather than a full vote. Since each full share of any
series of Preferred Stock
 
                                       19
<PAGE>   28
 
shall be entitled to one vote, the voting power of such series, on matters on
which holders of such series and holders of other series of preferred stock are
entitled to vote as a single class, shall depend on the number of shares in such
series, not the aggregate liquidation preference or initial offering price of
the shares of such series of Preferred Stock.
 
     If at the time of any annual meeting of the Company's stockholders the
equivalent of six quarterly dividends payable on any series of the Preferred
Stock or any other series of preferred stock are in default, the number of
directors of the Company will be increased by two and the holders of all
outstanding series of preferred stock, voting as a single class without regard
to series, will be entitled to elect those additional two directors at each such
annual meeting. Each director elected by the holders of shares of the Preferred
Stock shall continue to serve as such director for the full term for which he or
she shall have been elected, notwithstanding that prior to the end of such term
such default shall cease to exist.
 
     The affirmative vote or consent of the holders of at least two-thirds of
the outstanding shares of any series of Preferred Stock, voting as a separate
class, will be required for any amendment of the Company's Certificate of
Incorporation (or any certificate amendatory thereof or supplemental thereto
relating to any series of the Preferred Stock) which will adversely affect the
powers, preferences, privileges or rights of such series of the Preferred Stock.
The affirmative vote or consent of the holders of shares representing at least
two-thirds of the voting power of the outstanding shares of any series of
Preferred Stock and any other series of preferred stock of the Company ranking
on a parity with such series of the Preferred Stock as to dividends or upon
liquidation, voting as a single class without regard to series, will be required
to authorize, effect or validate (i) the creation, authorization or issuance of,
(ii) the reclassification of any authorized stock of the Company into, or (iii)
the creation, authorization or issuance of any obligation or security
convertible into or evidencing the right to purchase, any additional class or
series of stock ranking prior to such series of the Preferred Stock as to
dividends or upon liquidation.
 
     In addition to the foregoing voting rights, under the Delaware General
Corporation Law as now in effect, the holders of the Preferred Stock will have
the voting rights set forth under "General" above with respect to amendments to
the Company's Certificate of Incorporation which would increase the number of
authorized shares of preferred stock of the Company.
 
OUTSTANDING PREFERRED STOCK
 
     As of June 30, 1993, there were issued and outstanding (i) 33,647,591
shares of Adjustable Rate Cumulative Preferred Stock, Series C (the "Series C
Preferred"); (ii) 2,000,000 shares of 10 3/4% Cumulative Preferred Stock (the
"10 3/4% Preferred"); (iii) 4,000,000 shares of 10.96% Preferred Stock (the
"10.96% Preferred"); (iv) 4,000,000 shares of 10% Convertible Preferred Stock
(the "10% Preferred"); (v) 14,000,000 shares of 8 3/8% Preferred Stock (the
"8 3/8% Preferred"); (vi) 2,000,000 shares of 7.92% Cumulative Preferred Stock
(the "7.92% Preferred"); (vii) 2,000,000 shares of 7.58% Cumulative Preferred
Stock (the "7.58% Preferred") and (viii) 2,000,000 shares of 7 1/2% Cumulative
Preferred Stock (the "7 1/2% Preferred"). In addition, as of June 30, 1993,
4,000,000 shares of preferred stock, designated as Junior Participating
Preferred Stock, were reserved for issuance pursuant to the Shareholders' Rights
Agreement described below under "Description of Common Stock -- Shareholders'
Rights Plan".
 
     All series of outstanding preferred stock rank on a parity with each other
series and all have preference over the Common Stock with respect to the payment
of dividends and the distribution of assets in the event of the liquidation or
dissolution of the Company. Unless otherwise specified in the Prospectus
Supplement relating to a particular series of the Preferred Stock, all such
series of outstanding preferred stock will rank on a parity with the Preferred
Stock as to dividends and liquidation.
 
     Dividends on all outstanding series of preferred stock are cumulative. The
amounts of the cumulative dividends on the Series C Preferred vary with the
interest rates on certain U.S. Government obligations. Dividends on the 10 3/4%
Preferred, 10.96% Preferred, 10% Preferred, 8 3/8% Preferred, 7.92% Preferred,
7.58% Preferred and 7 1/2% Preferred are fixed at their respective rates.
 
                                       20
<PAGE>   29
 
     In the event of a liquidation or dissolution of the Company, the holders of
(i) 10% Preferred are entitled to receive a distribution of $50 per share; (ii)
Series C Preferred are entitled to receive a distribution of $12 per share;
(iii) 10 3/4% Preferred, 7.92% Preferred, 7.58% Preferred and 7 1/2% Preferred
are each entitled to receive a distribution of $100 per share; and (iv) 10.96%
Preferred and 8 3/8% Preferred are each entitled to receive a distribution of
$25 per share plus, in each case, accrued and unpaid dividends, if any.
 
     Shares of Series C Preferred are redeemable at the option of the Company at
a redemption price per share of $12.36 prior to May 2, 1997 and $12 per share
thereafter. Shares of 10 3/4% Preferred are not redeemable on or prior to
December 30, 1993, but are redeemable at the option of the Company thereafter at
a redemption price per share of $105.375 prior to January 1, 1995 and at
decreasing prices thereafter declining to $100 per share on December 31, 1998
and thereafter. Shares of 10.96% Preferred are redeemable at the option of the
Company at any time on or after June 30, 2000 at a redemption price per share of
$25. Shares of 10% Preferred are redeemable at the option of the Company at any
time on or after May 1, 1995 at an initial redemption price per share of $53 and
thereafter at prices declining to $50 per share on and after May 1, 2001. Shares
of 8 3/8% Preferred are redeemable at the option of the Company at any time on
or after June 1, 1997 at a redemption price per share of $25. Shares of 7.92%
Preferred are redeemable at the option of the Company at any time on or after
October 1, 1997 at a redemption price per share of $100. Shares of 7.58%
Preferred are redeemable at the option of the Company at any time on or after
April 1, 1998 at a redemption price per share of $100. Shares of 7 1/2%
Preferred are redeemable at the option of the Company at any time on or after
June 1, 1998 at a redemption price per share of $100. The redemption prices set
forth above with respect to each outstanding series of preferred stock will be
increased, in each case, by the amount of accrued and unpaid dividends thereon,
if any, to the date fixed for redemption.
 
     The shares of the 10% Preferred are convertible into shares of the Common
Stock at a conversion price of $26.20 per share of Common Stock, subject to
adjustment in certain events.
 
TRANSFER AGENT AND REGISTRAR
 
     Chemical Bank will be the transfer agent, registrar and dividend
disbursement agent for the Preferred Stock and any Depositary Shares
representing an interest therein. The registrar for shares of Preferred Stock
will send notices to shareholders of any meetings at which holders of the
Preferred Stock have the right to elect directors of the Company or to vote on
any other matter.
 
DEPOSITARY SHARES
 
     General.  The Company may, at its option, elect to offer fractional shares
of Preferred Stock, rather than full shares of Preferred Stock. In the event
such option is exercised, the Company will issue to the public receipts for
Depositary Shares, each of which will represent a fraction (to be set forth in
the Prospectus Supplement relating to a particular series of Preferred Stock) of
a share of a particular series of Preferred Stock as described below.
 
     The shares of any series of Preferred Stock represented by Depositary
Shares will be deposited under a Deposit Agreement (the "Deposit Agreement")
between the Company and a bank or trust company selected by the Company having
its principal office in the United States and having a combined capital and
surplus of at least $50,000,000 (the "Depositary"). Subject to the terms of the
Deposit Agreement, each owner of a Depositary Share will be entitled, in
proportion to the applicable fraction of a share of Preferred Stock represented
by such Depositary Share, to all the rights and preferences of the Preferred
Stock represented thereby (including dividend, voting, redemption and
liquidation rights).
 
     The Depositary Shares will be evidenced by depositary receipts issued
pursuant to the Deposit Agreement ("Depositary Receipts"). Depositary Receipts
will be distributed to those persons purchasing the fractional shares of
Preferred Stock in accordance with the terms of the offering. Copies of the
forms of Deposit Agreement and Depositary Receipt are filed as exhibits to the
Registration Statement of which this Prospectus is a part, and the following
summary is qualified in its entirety by reference to such exhibits.
 
                                       21
<PAGE>   30
 
     Pending the preparation of definitive engraved Depositary Receipts, the
Depositary may, upon the written order of the Company, issue temporary
Depositary Receipts substantially identical to (and entitling the holders
thereof to all the rights pertaining to) the definitive Depositary Receipts but
not in definitive form. Definitive Depositary Receipts will be prepared
thereafter without unreasonable delay, and temporary Depositary Receipts will be
exchangeable for definitive Depositary Receipts at the Company's expense.
 
     Dividends and Other Distributions.  The Depositary will distribute all cash
dividends or other cash distributions received in respect of the Preferred Stock
to the record holders of Depositary Shares relating to such Preferred Stock in
proportion to the number of such Depositary Shares owned by such holders.
 
     In the event of a distribution other than in cash, the Depositary will
distribute property received by it to the record holders of Depositary Shares
entitled thereto, unless the Depositary determines that it is not feasible to
make such distribution, in which case the Depositary may, with the approval of
the Company, sell such property and distribute the net proceeds from such sale
to such holders.
 
     Redemption of Depositary Shares.  If a series of Preferred Stock
represented by Depositary Shares is subject to redemption, the Depositary Shares
will be redeemed from the proceeds received by the Depositary resulting from the
redemption, in whole or in part, of such series of Preferred Stock held by the
Depositary. The redemption price per Depositary Share will be equal to the
applicable fraction of the redemption price per share payable with respect to
such series of the Preferred Stock. Whenever the Company redeems shares of
Preferred Stock held by the Depositary, the Depositary will redeem as of the
same redemption date the number of Depositary Shares representing the shares of
Preferred Stock so redeemed. If fewer than all the Depositary Shares are to be
redeemed, the Depositary Shares to be redeemed will be selected by lot or pro
rata as may be determined by the Depositary.
 
     Voting the Preferred Stock.  Upon receipt of notice of any meeting at which
the holders of the Preferred Stock are entitled to vote, the Depositary will
mail the information contained in such notice of meeting to the record holders
of the Depositary Shares relating to such Preferred Stock. Each record holder of
such Depositary Shares on the record date (which will be the same date as the
record date for the Preferred Stock) will be entitled to instruct the Depositary
as to the exercise of the voting rights pertaining to the amount of the
Preferred Stock represented by such holder's Depositary Shares. The Depositary
will endeavor, insofar as practicable, to vote the amount of the Preferred Stock
represented by such Depositary Shares in accordance with such instructions, and
the Company will agree to take all action which may be deemed necessary by the
Depositary in order to enable the Depositary to do so. The Depositary will
abstain from voting shares of the Preferred Stock to the extent it does not
receive specific instructions from the holders of Depositary Shares representing
such Preferred Stock.
 
     Amendment and Termination of the Depositary Agreement.  The form of
Depositary Receipt evidencing the Depositary Shares and any provision of the
Deposit Agreement may at any time be amended by agreement between the Company
and the Depositary. However, any amendment which materially and adversely alters
the rights of the holders of Depositary Shares will not be effective unless such
amendment has been approved by the holders of at least a majority of the
Depositary Shares then outstanding. The Deposit Agreement may be terminated by
the Company or the Depositary only if (i) all outstanding Depositary Shares have
been redeemed or (ii) there has been a final distribution in respect of the
Preferred Stock in connection with any liquidation, dissolution or winding up of
the Company and such distribution has been distributed to the holders of
Depositary Receipts.
 
     Charges of Depositary.  The Company will pay all transfer and other taxes
and governmental charges arising solely from the existence of the depositary
arrangements. The Company will pay charges of the Depositary in connection with
the initial deposit of the Preferred Stock and any redemption of the Preferred
Stock. Holders of Depositary Receipts will pay other transfer and other taxes
and governmental charges and such other charges, including a fee for the
withdrawal of shares of Preferred Stock upon surrender of Depositary Receipts,
as are expressly provided in the Deposit Agreement to be for their accounts.
 
                                       22
<PAGE>   31
 
     Miscellaneous.  The Depositary will forward to holders of Depository
Receipts all reports and communications from the Company which are delivered to
the Depositary and which the Company is required to furnish to the holders of
the Preferred Stock.
 
     Neither the Depositary nor the Company will be liable if it is prevented or
delayed by law or any circumstance beyond its control in performing its
obligations under the Deposit Agreement. The obligations of the Company and the
Depositary under the Deposit Agreement will be limited to performance in good
faith of their duties thereunder and they will not be obligated to prosecute or
defend any legal proceeding in respect of any Depositary Shares or Preferred
Stock unless satisfactory indemnity is furnished. They may rely upon written
advice of counsel or accountants, or upon information provided by persons
presenting Preferred Stock for deposit, holders of Depositary Receipts or other
persons believed to be competent and on documents believed to be genuine.
 
     Resignation and Removal of Depositary.  The Depositary may resign at any
time by delivering to the Company notice of its election to do so, and the
Company may at any time remove the Depositary, any such resignation or removal
to take effect upon the appointment of a successor Depositary and its acceptance
of such appointment. Such successor Depositary must be appointed within 60 days
after delivery of the notice of resignation or removal and must be a bank or
trust company having its principal office in the United States and having a
combined capital and surplus of at least $50,000,000.
 
                          DESCRIPTION OF COMMON STOCK
 
     The following summary does not purport to be complete and is subject in all
respects to the applicable provisions of the General Corporation Law of the
State of Delaware, the Company's Certificate of Incorporation, including
Certificates of Designations pursuant to which the outstanding series of
preferred stock were issued and the terms of the Rights Agreement dated as of
April 13, 1989, as amended (the "Rights Agreement"), described below.
 
GENERAL
 
     The Company is authorized to issue up to 400,000,000 shares of Common
Stock. At June 30, 1993, the Company had outstanding 252,321,985 shares of
Common Stock (including 515,782 shares held in its treasury). As of June 30,
1993, approximately 16,100,000 shares of Common Stock were reserved for issuance
under various employee incentive and stock purchase plans and under the
Company's dividend reinvestment plan. In addition, as of such date, the Company
had also reserved 7,700,000 shares of Common Stock for issuance upon the
conversion of the 10% Preferred.
 
     Holders of Common Stock are entitled to receive dividends when, as and if
declared by the Board of Directors out of funds legally available therefor,
provided that, so long as any shares of preferred stock are outstanding, no
dividends (other than dividends payable in Common Stock) or other distributions
(including redemptions and purchases) may be made with respect to the Common
Stock unless full dividends on the shares of preferred stock, including
accumulations in the case of cumulative preferred stock, have been paid.
 
     Subject to the rights, if any, of the holders of any series of preferred
stock, all voting rights are vested in the holders of shares of Common Stock,
each share being entitled to one vote on all matters presented for a vote,
including the election of directors. Holders of shares of Common Stock have
noncumulative voting rights, which means that the holders of more than 50% of
the shares voting for the election of directors can elect 100% of the directors,
and, in such event, the holders of the remaining shares voting for the election
of directors will not be able to elect any directors.
 
     In the event of the liquidation, dissolution or winding up of the Company,
whether voluntary or involuntary, after there have been paid or set aside for
the holders of all series of preferred stock the full preferential amounts to
which such holders are entitled, the holders of Common Stock will be entitled to
share equally and ratably in any assets remaining after the payment of all debts
and liabilities.
 
                                       23
<PAGE>   32
 
     The issued and outstanding shares of Common Stock are fully paid and
nonassessable. Holders of shares of Common Stock are not entitled to preemptive
rights. Shares of Common Stock are not convertible into shares of any other
class of capital stock.
 
     Chemical Bank is the transfer agent, registrar and dividend disbursement
agent for the Common Stock.
 
SHAREHOLDERS' RIGHTS PLAN
 
     The Company has adopted a Shareholders' Rights Plan which is intended to
protect stockholders in the event of unsolicited offers or attempts to acquire
the Company, including offers that do not treat all stockholders equally,
acquisitions in the open market of shares constituting control without offering
fair value to all stockholders and other coercive or unfair takeover tactics
that could impair the Board of Directors' ability to represent stockholders'
interests fully. Pursuant to the Shareholders' Rights Plan, the Board of
Directors declared a dividend distribution of one right (a "Right") for each
outstanding share of Common Stock to stockholders of record at the close of
business on April 24, 1989 (the "Record Date"), and authorized the issuance of
one Right (as adjusted pursuant to the Rights Agreement, as described below) for
each share of Common Stock issued between the Record Date and the Chemical
Distribution Date (as described below). Each Right entitles the registered
holder to purchase from the Company a unit consisting of one one-hundredth of a
share (a "Unit") of Junior Participating Preferred Stock at a price of $150 per
Unit, subject to adjustment. The description and terms of the Rights are set
forth in the Rights Agreement between the Company and Chemical Bank, as Rights
Agent. One Right will be distributed with each share of Common Stock issued by
the Company, including shares of Common Stock issued (i) upon the conversion of
any Subordinated Convertible Securities into shares of Common Stock, (ii) in
exchange for Subordinated Securities that are exchangeable for Common Stock,
(iii) upon conversion of any shares of Preferred Stock that are convertible into
Common Stock or (iv) upon exercise of Common Stock Warrants.
 
     The Rights have certain anti-takeover effects. The Rights may cause
substantial dilution to a person that attempts to acquire the Company without
the approval of the Board of Directors unless the offer is conditioned on a
substantial number of Rights being acquired. The Rights, however, should not
affect offers for all outstanding shares of Common Stock at a fair price and
otherwise in the best interests of the Company and its stockholders as
determined by the Board of Directors, since the Board of Directors may, at its
option, redeem all, but not fewer than all, the then outstanding Rights.
 
     Initially, the Rights are and will be attached to all certificates
representing Common Stock at the time outstanding. The Rights will separate from
the Common Stock on the Chemical Distribution Date, which is defined as (i) 10
days after a person acquires 20% or more of the Common Stock or voting power of
the Company, (ii) 10 business days following commencement of a tender offer for
25% or more of the Common Stock or voting power of the Company or (iii) 10
business days after an owner of 10% or more of the Common Stock or voting power
of the Company is determined by the unaffiliated "Continuing Directors" (as
defined in the Rights Agreement) to be an "Adverse Person". An Adverse Person is
one who intends to have the Company repurchase such person's ownership interest,
who intends to pressure the Company into action for the financial gain of such
person or whose ownership is likely to cause a material adverse impact on the
Company (including, but not limited to, impairment of the Company's (i)
relationships with customers, (ii) ability to maintain its capital position,
(iii) ability to meet the convenience and needs of the communities it serves,
(iv) business reputation or (v) ability to deal with governmental agencies) to
the detriment of the Company's stockholders.
 
     If a "Flip-in Event" occurs, the holder of a Right is entitled to receive
Common Stock or other property of the Company valued at two times the exercise
price of the Right. A Flip-in Event occurs if a person acquires 20% or more of
the Common Stock or voting power of the Company (except certain offers to
acquire all of the Common Stock deemed by the Continuing Directors to be fair
and in the best interests of the Company) or if a person is determined to be an
Adverse Person.
 
     If a "Triggering Event" occurs, the holder of a Right is entitled to
receive common stock of a company that has acquired the Company valued at two
times the exercise price of the Right. A Triggering Event occurs
 
                                       24
<PAGE>   33
 
if the Company is acquired in a merger or other business combination in which
the Company is not the survivor or if 50% or more of the Company's assets or
earning power is sold or transferred.
 
     Following the occurrence of a Flip-in Event or a Triggering Event, all
Rights that are beneficially owned by an acquiring person or an Adverse Person
will be null and void.
 
     To avoid the consequences of a Flip-in Event, the Company may redeem the
Rights in whole, but not in part, at a redemption price of $0.01 per Right.
 
                       DESCRIPTION OF SECURITIES WARRANTS
 
     The Company may issue Securities Warrants for the purchase of Debt
Securities, Preferred Stock or Common Stock. Securities Warrants may be issued
independently or together with Debt Securities, Preferred Stock or Common Stock
offered by any Prospectus Supplement and may be attached to or separate from any
such Offered Securities. Each series of Securities Warrants will be issued under
a separate warrant agreement (a "Securities Warrant Agreement") to be entered
into between the Company and Chemical Bank or another bank or trust company, as
warrant agent (the "Securities Warrant Agent"), all as set forth in the
Prospectus Supplement relating to the particular issue of offered Securities
Warrants. The Securities Warrant Agent will act solely as an agent of the
Company in connection with the Securities Warrants and will not assume any
obligation or relationship of agency or trust for or with any holders of
Securities Warrants or beneficial owners of Securities Warrants. Copies of the
forms of Securities Warrant Agreements, including the forms of Securities
Warrant Certificates representing the Securities Warrants, are filed as exhibits
to the Registration Statement of which this Prospectus is a part. The following
summary of certain provisions of the Securities Warrants does not purport to be
complete and is subject to, and is qualified in its entirety by reference to,
all the provisions of the Securities Warrant Agreements.
 
     Reference is made to the Prospectus Supplement relating to the particular
issue of Securities Warrants offered thereby for the terms of such Securities
Warrants, including, where applicable: (i) the designation, aggregate principal
amount, currencies, denominations and terms of the series of Debt Securities
purchasable upon exercise of Securities Warrants to purchase Debt Securities and
the price at which such Debt Securities may be purchased upon such exercise;
(ii) the designation, number of shares, stated value and terms (including,
without limitation, liquidation, dividend, conversion and voting rights) of the
series of Preferred Stock purchasable upon exercise of Securities Warrants to
purchase Preferred Stock and the price at which such number of shares of
Preferred Stock of such series may be purchased upon such exercise; (iii) the
number of shares of Common Stock purchasable upon the exercise of Securities
Warrants to purchase Common Stock and the price at which such number of shares
of Common Stock may be purchased upon such exercise; (iv) the date on which the
right to exercise such Securities Warrants shall commence and the date (the
"Expiration Date") on which such right shall expire; (v) United States Federal
income tax consequences applicable to such Securities Warrants; and (vi) any
other terms of such Securities Warrants. Securities Warrants for the purchase of
Preferred Stock and Common Stock will be offered and exercisable for U.S.
dollars only. Securities Warrants will be issued in registered form only. The
exercise price for Securities Warrants will be subject to adjustment in
accordance with the applicable Prospectus Supplement.
 
     Each Securities Warrant will entitle the holder thereof to purchase such
principal amount of Debt Securities or such number of shares of Preferred Stock
or Common Stock at such exercise price as shall in each case be set forth in, or
calculable from, the Prospectus Supplement relating to the offered Securities
Warrants, which exercise price may be subject to adjustment upon the occurrence
of certain events as set forth in such Prospectus Supplement. After the close of
business on the Expiration Date (or such later date to which such Expiration
Date may be extended by the Company), unexercised Securities Warrants will
become void. The place or places where, and the manner in which, Securities
Warrants may be exercised shall be specified in the Prospectus Supplement
relating to such Securities Warrants.
 
     Prior to the exercise of any Securities Warrants to purchase Debt
Securities, Preferred Stock or Common Stock, holders of such Securities Warrants
will not have any of the rights of holders of the Debt Securities, Preferred
Stock or Common Stock, as the case may be, purchasable upon such exercise,
including the right to
 
                                       25
<PAGE>   34
 
receive payments of principal of (and premium, if any) or interest, if any, on
the Debt Securities purchasable upon such exercise or to enforce covenants in
the applicable Indenture, or to receive payments of dividends, if any, on the
Preferred Stock or Common Stock purchasable upon such exercise or to exercise
any applicable right to vote.
 
                   RISK FACTORS RELATING TO CURRENCY WARRANTS
 
     THE CURRENCY WARRANTS INVOLVE A HIGH DEGREE OF RISK, INCLUDING RISKS
ARISING FROM FLUCTUATIONS IN THE PRICE OF THE UNDERLYING CURRENCY, FOREIGN
EXCHANGE RISKS AND THE RISK OF EXPIRING WORTHLESS. FURTHER, THE CASH SETTLEMENT
VALUE OF THE CURRENCY WARRANTS AT ANY TIME PRIOR TO EXERCISE OR EXPIRATION MAY
BE LESS THAN THE TRADING VALUE OF THE CURRENCY WARRANTS. THE TRADING VALUE OF
THE CURRENCY WARRANTS WILL FLUCTUATE BECAUSE SUCH VALUE IS DEPENDENT, AT ANY
TIME, ON A NUMBER OF FACTORS, INCLUDING THE TIME REMAINING TO EXERCISE THE
CURRENCY WARRANTS, THE RELATIONSHIP BETWEEN THE EXERCISE PRICE OF THE CURRENCY
WARRANTS AND THE PRICE AT SUCH TIME OF THE DESIGNATED CURRENCY AND THE EXCHANGE
RATE ASSOCIATED WITH THE DESIGNATED CURRENCY. BECAUSE THE CURRENCY WARRANTS ARE
UNSECURED OBLIGATIONS OF THE COMPANY, CHANGES IN THE PERCEIVED CREDITWORTHINESS
OF THE COMPANY MAY ALSO BE EXPECTED TO AFFECT THE TRADING PRICES OF THE CURRENCY
WARRANTS. FINALLY, THE AMOUNT OF ACTUAL CASH SETTLEMENT OF A CURRENCY WARRANT
MAY VARY AS A RESULT OF FLUCTUATIONS IN THE PRICE OF THE DESIGNATED CURRENCY
BETWEEN THE TIME INSTRUCTIONS ARE GIVEN TO EXERCISE THE CURRENCY WARRANT AND THE
TIME SUCH EXERCISE IS ACTUALLY EFFECTED.
 
     PURCHASERS SHOULD BE PREPARED TO SUSTAIN A LOSS OF SOME OR ALL OF THE
PURCHASE PRICE OF THEIR CURRENCY WARRANTS. PROSPECTIVE PURCHASERS OF CURRENCY
WARRANTS SHOULD BE EXPERIENCED WITH RESPECT TO OPTIONS AND OPTION TRANSACTIONS
AND SHOULD REACH AN INVESTMENT DECISION ONLY AFTER CAREFUL CONSIDERATION WITH
THEIR ADVISERS OF THE SUITABILITY OF THE CURRENCY WARRANTS IN LIGHT OF THEIR
PARTICULAR FINANCIAL CIRCUMSTANCES, THE INFORMATION SET FORTH UNDER "DESCRIPTION
OF CURRENCY WARRANTS" HEREIN, THE INFORMATION SET FORTH UNDER "RISK FACTORS" IN
THE PROSPECTUS SUPPLEMENT RELATING TO THE PARTICULAR ISSUE OF CURRENCY WARRANTS
AND TO THE OTHER INFORMATION REGARDING THE CURRENCY WARRANTS AND THE DESIGNATED
CURRENCY SET FORTH IN SUCH PROSPECTUS SUPPLEMENT.
 
                        DESCRIPTION OF CURRENCY WARRANTS
 
     The following description of the terms of the Currency Warrants sets forth
certain general terms and provisions of the Currency Warrants to which any
Prospectus Supplement may relate. The particular terms of the Currency Warrants
offered by any Prospectus Supplement and the extent, if any, to which such
general provisions do not apply to the Currency Warrants so offered will be
described in the Prospectus Supplement relating to such Currency Warrants.
 
     Each issue of Currency Warrants will be issued under a warrant agreement
(each, a "Currency Warrant Agreement") to be entered into between the Company
and Chemical Bank or another bank or trust company, as warrant agent (the
"Currency Warrant Agent"), all as described in the Prospectus Supplement
relating to such Currency Warrants. The Currency Warrant Agent will act solely
as the agent of the Company under the applicable Currency Warrant Agreement and
will not assume any obligation or relationship of agency or trust for or with
any holders of such Currency Warrants. A copy of the form of Currency Warrant
Agreement, including the form of warrant certificate, is filed as an exhibit to
the Registration Statement of which this Prospectus is a part. The following
summary of certain provisions of the Currency Warrants does not purport to be
complete and is subject to, and is qualified in its entirety by reference to,
all the provisions of the particular Currency Warrants and Currency Warrant
Agreement.
 
     The Company may issue Currency Warrants either in the form of currency put
warrants entitling the holders thereof to receive from the Company the cash
settlement value in U.S. dollars of the right to sell a specified amount of a
specified foreign currency or composite currency (the "Designated Currency") for
a specified amount of U.S. dollars (each, a "Currency Put Warrant"), or in the
form of currency call warrants entitling the holders thereof to receive from the
Company the cash settlement value in U.S. dollars of the right
 
                                       26
<PAGE>   35
 
to purchase a specified amount of a Designated Currency for a specified amount
of U.S. dollars (each, a "Currency Call Warrant").
 
     Reference is hereby made to the Prospectus Supplement relating to the
particular issue of Currency Warrants offered thereby for the terms of such
Currency Warrants, including, where applicable: (i) whether such Currency
Warrants shall be Currency Put Warrants, Currency Call Warrants or both; (ii)
the aggregate amount of such Currency Warrants; (iii) the offering price of such
Currency Warrants; (iv) the Designated Currency, which currency may be a foreign
currency or a composite currency, including ECU, and information regarding such
currency or composite currency; (v) the date on which the right to exercise such
Currency Warrants commences and the date on which such right expires; (vi) the
manner in which such Currency Warrants may be exercised; (vii) the circumstances
which will cause the Currency Warrants to be deemed automatically exercised;
(viii) the minimum number, if any, of such Currency Warrants exercisable at any
one time and any other restrictions on exercise; (ix) the method of determining
the amount payable in connection with the exercise of such Currency Warrants;
(x) the national securities exchange on which such Currency Warrants will be
listed; (xi) whether such Currency Warrants will be represented by certificates
or issued in book-entry form; (xii) the place or places at which payment of the
cash settlement value of such Currency Warrants is to be made by the Company, if
applicable; (xiii) information with respect to book-entry procedures, if any;
(xiv) the plan of distribution of such Currency Warrants; and (xv) any other
terms of such Currency Warrants.
 
     Prospective purchasers of Currency Warrants should be aware of special
United States Federal income tax considerations applicable to instruments such
as the Currency Warrants. The Prospectus Supplement relating to each issue of
Currency Warrants will describe such tax considerations.
 
     Except as may otherwise be provided in the applicable Prospectus
Supplement, the Currency Warrants will be issued in the form of global Currency
Warrant Certificates, registered in the name of a depository or its nominee.
Holders will not be entitled to receive definitive certificates representing
Currency Warrants. A holder's ownership of a Currency Warrant will be recorded
on or through the records of the brokerage firm or other entity that maintains
such holder's account. In turn, the total number of Currency Warrants held by an
individual brokerage firm for its clients will be maintained on the records of
the depository in the name of such brokerage firm or its agent. Transfer of
ownership of any Currency Warrant will be effected only through the selling
holder's brokerage firm.
 
     Each issue of Currency Warrants will be listed on a national securities
exchange, subject only to official notice of issuance, as a condition of sale of
such issue of Currency Warrants. In the event that the Currency Warrants are
delisted from, or permanently suspended from trading on, such exchange, the
expiration date for such Currency Warrants will be the date such delisting or
trading suspension becomes effective, and Currency Warrants not previously
exercised will be deemed automatically exercised on such expiration date. The
applicable Currency Warrant Agreement will contain a covenant of the Company not
to seek delisting of the Currency Warrants, or suspension of their trading, on
such exchange unless the Company has concurrently arranged for listing on
another national securities exchange.
 
                              PLAN OF DISTRIBUTION
 
     The Company may sell the Offered Securities being offered hereby (i)
through underwriters, (ii) through dealers, (iii) through agents and (iv)
directly to purchasers. The applicable Prospectus Supplements will set forth the
terms of the offerings of any Offered Securities, including the name or names of
the underwriters, dealers or agents, the purchase price of the Offered
Securities and the proceeds to the Company from the sale, any underwriting
discounts and other items constituting underwriters' compensation and any
discounts and commissions allowed or paid to dealers or agents. Any initial
public offering price and any discounts or concessions allowed or reallowed or
paid to dealers may be changed from time to time.
 
     The Company may also issue the Offered Securities to one or more persons in
exchange for outstanding securities of the Company acquired by such persons in
privately negotiated transactions or from third parties in open market
transactions. The newly issued Offered Securities in such cases may be offered
pursuant to this
 
                                       27
<PAGE>   36
 
Prospectus and the applicable Prospectus Supplement by such persons, acting as
principal for their own accounts, at market prices prevailing at the time of
sale, at prices otherwise negotiated or at fixed prices. Unless otherwise
indicated in the applicable Prospectus Supplement, the Company will only receive
outstanding securities and will not receive cash proceeds in such exchanges or
resales. Dealer trading may take place in certain of the Offered Securities,
including Offered Securities not listed on any securities exchange.
 
     If an underwriter or underwriters are utilized in the sale of the Offered
Securities, the Company will execute an underwriting agreement with such
underwriter or underwriters at the time an agreement for such sale is reached.
The underwriter or underwriters with respect to an underwritten offering of
Offered Securities will be set forth in the Prospectus Supplement relating to
such offering and, if an underwriting syndicate is used, the managing
underwriter or underwriters will be set forth on the cover of such Prospectus
Supplement. If any underwriter or underwriters are utilized in the sale of the
Offered Securities, the underwriting agreement will provide that the obligations
of the underwriters are subject to certain conditions precedent and that the
underwriters with respect to a sale of Offered Securities will be obligated to
purchase all such Offered Securities if any are purchased. In connection with
the sale of Offered Securities, underwriters may be deemed to have received
compensation from the Company in the form of underwriting discounts or
commissions and may also receive commissions from purchasers of Offered
Securities for whom they may act as agent. Underwriters may sell Offered
Securities to or through dealers, and such dealers may receive compensation in
the form of discounts, concessions or commissions from the underwriters and/or
commissions from the purchasers for whom they may act as agent.
 
     If an underwriter or underwriters are utilized in the sale of any Offered
Securities, the applicable Prospectus Supplement will contain a statement as to
the intention, if any, of such underwriters at the date of such Prospectus
Supplement to make a market in the Offered Securities.
 
     If a dealer is utilized directly by the Company in the sale of the Offered
Securities in respect of which this Prospectus is delivered, the Company will
sell such Offered Securities to the dealer, as principal. The dealer may then
resell such Offered Securities to the public at varying prices to be determined
by such dealer at the time of resale. Any such dealer and the terms of any such
sale will be set forth in the Prospectus Supplement relating thereto.
 
     Offered Securities may be offered and sold through agents designated by the
Company from time to time. Any such agent involved in the offer or sale of the
Offered Securities in respect of which this Prospectus is delivered will be
named in, and any commissions payable by the Company to such agent will be set
forth in, the Prospectus Supplement. Unless otherwise indicated in the
Prospectus Supplement, any such agent will be acting on a best efforts basis for
the period of its appointment.
 
     Underwriters, dealers or agents participating in the distribution of
Offered Securities may be deemed to be underwriters, and any discounts and
commissions received by them and any profit realized by them on resale of the
Offered Securities may be deemed to be underwriting discounts and commissions,
under the Securities Act.
 
     Underwriters, dealers or agents who participate in the distribution of
Offered Securities may be entitled, under agreements which may be entered into
with the Company, to indemnification by the Company against certain liabilities,
including liabilities under the Securities Act, or to contribution by the
Company to payments such underwriters, dealers or agents may be required to make
in respect thereof.
 
     The Offered Securities may be sold either at a fixed price or prices which
may be changed, at market prices prevailing at the time of sale, at prices
related to such prevailing market prices or at negotiated prices.
 
     Underwriters, dealers or agents may be customers of, engage in transactions
with, or perform services for the Company, Chemical Bank, Texas Commerce or
certain other subsidiaries of the Company in the ordinary course of business.
 
     Offers to purchase Offered Securities may be solicited directly by the
Company and sales thereof may be made by the Company directly to institutional
investors or others who may be deemed to be underwriters within the meaning of
the Securities Act with respect to any resale thereof. The terms of any such
sales will be
 
                                       28
<PAGE>   37
 
described in the Prospectus Supplement relating thereto. Except as set forth in
the applicable Prospectus Supplement, no director, officer or employee of the
Company or its bank subsidiaries will solicit or receive a commission in
connection with direct sales by the Company of the Offered Securities, although
such persons may respond to inquiries by potential purchasers and perform
ministerial and clerical work in connection with any such direct sales.
 
     Under Schedule E to the By-Laws ("Schedule E") of the National Association
of Securities Dealers, Inc. (the "NASD"), when an NASD member, such as Chemical
Securities Inc. ("CSI"), participates in the distribution of an affiliated
company's securities, the offering must be conducted in accordance with the
applicable provisions of Schedule E. CSI is considered to be an "affiliate" (as
such term is defined in Schedule E) of the Company by virtue of the fact that
the Company is the parent of CSI. The offer and sale of any Offered Securities
by CSI or any other qualified affiliate of the Company will comply with the
requirements of Schedule E regarding the underwriting of securities of
affiliates and with any restrictions as may be imposed on CSI or such other
affiliate of the Company by the Federal Reserve Board.
 
     This Prospectus and the related Prospectus Supplement may be used by direct
or indirect wholly-owned subsidiaries of the Company, including CSI, in
connection with offers and sales related to secondary market transactions in the
Offered Securities. Such subsidiaries may act as principal or agent in such
transactions. Such sales will be made at prices related to prevailing market
prices at the time of sale.
 
     If so indicated in the Prospectus Supplement, the Company will authorize
underwriters, dealers and agents to solicit offers by certain institutions to
purchase Offered Securities from the Company at the public offering price set
forth in the Prospectus Supplement pursuant to Delayed Delivery Contracts (each
a "Contract") providing for payment and delivery on the date stated in the
Prospectus Supplement. Each Contract will be for an amount not less than, and
unless the Company otherwise agrees the aggregate principal amount of Debt
Securities or number of shares of Preferred Stock or Common Stock sold pursuant
to Contracts shall be neither less nor more than, the respective amounts stated
in the Prospectus Supplement. Institutions with which Contracts, when
authorized, may be made include commercial and savings banks, insurance
companies, educational and charitable institutions and other institutions, but
shall in all cases be subject to the approval of the Company. The obligations of
any purchaser under any Contract will not be subject to any conditions except
that any related sale of Offered Securities to underwriters shall have occurred
and the purchase by an institution of the Offered Securities covered by its
Contract shall not at the time of delivery be prohibited under the laws of any
jurisdiction in the United States to which such institution is subject. A
commission indicated in the Prospectus Supplement will be paid to underwriters,
dealers and agents soliciting purchases of Offered Securities pursuant to
Contracts accepted by the Company.
 
     The expected time of delivery of the Offered Securities in respect of which
this Prospectus is delivered will be set forth in the accompanying Prospectus
Supplement.
 
                           CERTAIN REGULATORY MATTERS
 
CAPITAL RATIOS
 
     The Federal Reserve Board has issued risk-based capital guidelines, which
require banking organizations to maintain certain ratios of "qualifying capital"
to "risk-weighted assets". "Qualifying capital" is classified in two tiers,
referred to as Tier 1 capital and Tier 2 capital. Tier 1 capital consists of
common equity, qualifying perpetual preferred equity and minority interests in
the equity accounts of unconsolidated subsidiaries, less goodwill and certain
intangible assets. Tier 2 capital consists of perpetual preferred equity not
qualifying as Tier 1 capital, a portion of the allowance for losses, mandatory
convertible debt and subordinated and other qualifying securities. The amount of
Tier 2 capital may not exceed the amount of Tier 1 capital. In calculating
"risk-weighted assets", certain risk percentages specified by the Federal
Reserve Board are applied to particular categories of on-balance sheet assets
and off-balance sheet items. The guidelines require that banking organizations
maintain a minimum ratio of Tier 1 capital to risk-weighted assets of 4% and a
minimum ratio of total capital (Tier 1 capital plus Tier 2 capital) to
risk-weighted assets of 8%.
 
                                       29
<PAGE>   38
 
     Another capital measure, the Tier 1 leverage ratio, is defined as Tier 1
capital (as defined under the risk-based capital guidelines) divided by average
total assets (net of allowance for losses, goodwill and certain intangible
assets). The minimum leverage ratio is 3% for banking organizations that do not
anticipate significant growth and that have well-diversified risk (including no
undue interest rate risk), excellent asset quality, high liquidity and good
earnings. Other banking organizations are expected to have ratios of at least
4%-5%, depending upon their particular condition and growth plans. Higher
capital ratios could be required if warranted by the particular circumstances or
risk profile of a given banking organization. The Federal Reserve Board has not
advised the Company of any specific minimum Tier 1 leverage ratio applicable to
it.
 
     The following table sets forth at September 30, 1993 a summary of certain
capital ratio information for the Company.
 
<TABLE>
<CAPTION>
                                                                        AT SEPTEMBER 30,
                                                                              1993
                                                                       ------------------
      <S>                                                              <C>
      Total Equity to Assets.......................................             7.3%
      Common Equity to Assets......................................             6.1%
      Tier 1 Leverage Ratio........................................             6.9%
      Tier 1 Risk-Based Capital Ratio..............................             7.9%(est.)
      Total Risk-Based Capital Ratio...............................            12.0%(est.)
</TABLE>
 
DIVIDENDS
 
     Federal law imposes limitations on the payment of dividends by the
subsidiaries of the Company that are state member banks of the Federal Reserve
System (a "state member bank") or are national banks. Two different calculations
are performed to measure the amount of dividends that may be paid: a "recent
earnings" test and an "undivided profits" test. Non-bank subsidiaries of the
Company are not subject to such limitations.
 
     Under the recent earnings test, a dividend may not be paid if the total of
all dividends declared by a bank in any calendar year is in excess of the
current year's net profits combined with the retained net profits of the two
preceding years unless the bank obtains the approval of its appropriate Federal
banking regulator (which, in the case of a state member bank, is the Federal
Reserve Board and, in the case of a national bank, is the Office of the
Comptroller of the Currency (the "Comptroller of the Currency")). Pursuant to
regulations (the "Regulations") adopted in December 1990 by the Federal Reserve
Board and the Comptroller of the Currency, "net profits" is defined as the net
income figure reported by a bank in its Reports of Condition and Income and
"retained net profits" is "net profits" less any common or preferred dividends
declared for that reporting period. The New York Banking Department also adopted
regulations in December 1990 that require net profits of New York
State-chartered banks, like Chemical Bank, to be calculated in a manner similar
to the method set forth in the Regulations.
 
     Under the undivided profits test, a dividend may not be paid in excess of a
bank's "undivided profits then on hand", after deducting therefrom losses and
bad debts in excess of the allowance for loan and lease losses. Under the
Regulations, "allowance for loan and lease losses" and "undivided profits" are
defined as the amounts reported as such by a bank in its Reports of Condition
and Income, and "bad debts" is defined to include matured obligations due a bank
on which the interest is past due and unpaid for six months, unless the debts
are well-secured and in the process of collection. Generally, a debt is
considered "matured" when all or a part of the principal is due and payable as a
result of demand, arrival of the stated maturity date or acceleration by
contract or by operation of law. The Regulations provide that a bank may seek
the approval of its appropriate Federal banking regulator to pay a dividend
which would otherwise violate the undivided profits test. In addition, the
Regulations specify that only that portion of a bank's surplus account that is
"earned surplus surplus" (that is, surplus derived from earnings of prior
periods that is in excess of the minimum amount of surplus required under
Federal or state law to be maintained by the bank) may be transferred to
undivided profits for the purpose of paying dividends, provided that the
transfer is approved by the bank's board of directors and the appropriate
Federal banking regulator.
 
                                       30
<PAGE>   39
 
     In accordance with the foregoing restrictions, Chemical Bank could, during
1993, without the approval of the relevant banking regulators, pay dividends
estimated at approximately $974 million plus an additional amount equal to its
net profits from July 1, 1993 through the date in 1993 of any such dividend
payment.
 
     In addition to the dividend restrictions described above, the Federal
Reserve Board, the Comptroller of the Currency and the FDIC have authority under
the Financial Institutions Supervisory Act to prohibit or to limit the payment
of dividends by the banking organizations they supervise, including the Company
and its subsidiaries that are banks or bank holding companies, if, in the
banking regulator's opinion, payment of a dividend would constitute an unsafe or
unsound practice in light of the financial condition of the banking
organization.
 
CHEMICAL SECURITIES INC.
 
     On May 17, 1993, the Federal Reserve Board authorized the Company, acting
through CSI, to underwrite and deal in all debt securities. In connection with
this approval, the Company is moving certain business activities previously
performed by Chemical Bank into CSI. Therefore, certain of the revenues and
expenses associated with such business activities will begin to be recorded in
future periods at CSI rather than at Chemical Bank. The net income before taxes
associated with all such activities for 1992 was approximately $110-$120
million, or approximately 11%-12% of Chemical Bank's pre-tax net income for
1992.
 
FDICIA
 
     On December 19, 1991, the Federal Deposit Insurance Corporation Improvement
Act of 1991 ("FDICIA") was enacted. Among other things, FDICIA requires the FDIC
to establish a risk-based assessment system for FDIC deposit insurance. FDICIA
also contains provisions limiting certain activities and business methods of
depository institutions, including limiting the acceptance of brokered deposits
by certain depository institutions; placing restrictions on the terms of "bank
investment contracts" that may be offered by depository institutions; and
requiring the FDIC to study the current rules applicable to the aggregation of
accounts of depositors at an institution that are entitled to FDIC insurance.
Finally, FDICIA provides for expanded regulation of depository institutions and
their affiliates, including parent holding companies, by such institutions'
appropriate Federal banking regulator, and requires the appropriate Federal
banking regulator to take "prompt corrective action" with respect to a
depository institution if such institution does not meet certain capital
adequacy standards.
 
     Pursuant to FDICIA, the Federal Reserve Board, the FDIC and the Comptroller
of the Currency (collectively, the "Regulators") have adopted regulations,
effective December 19, 1992, setting forth a five-tier scheme for measuring the
capital adequacy of the financial institutions they supervise. Under the
regulations (commonly referred to as the "prompt corrective action" rules), an
institution would be placed in one of the following capital categories: (i) well
capitalized (an institution that has a total risk-based capital ratio of at
least 10%, a Tier 1 risk-based capital ratio of at least 6% and a Tier 1
leverage ratio of at least 5%); (ii) adequately capitalized (an institution that
has a total risk-based capital ratio of at least 8%, a Tier 1 risk-based capital
ratio of at least 4% and a Tier 1 leverage ratio of at least 4%); (iii)
undercapitalized (an institution that has a total risk-based capital ratio of
under 8% or a Tier 1 risk-based capital ratio under 4% or a Tier 1 leverage
ratio under 4%); (iv) significantly undercapitalized (an institution that has a
total risk-based capital ratio of under 6% or a Tier 1 risk-based capital ratio
under 3% or a Tier 1 leverage ratio under 3%); and (v) critically
undercapitalized (an institution that has a ratio of tangible equity to total
assets of 2% or less). The regulations would permit the appropriate Federal
banking regulator to downgrade an institution to the next lower category if the
regulator determines (i) after notice and opportunity for hearing or response,
that the institution is in an unsafe or unsound condition or (ii) that the
institution has received (and not corrected) a less-than-satisfactory rating for
any of the categories of asset quality, management, earnings or liquidity in its
most recent exam. Supervisory actions by the appropriate Federal banking
regulator will depend upon an institution's classification within the five
categories. All institutions are generally prohibited from declaring any
dividends, making any other capital distribution, or paying a management fee to
any controlling person, if such payment would cause the institution to become
undercapitalized. Additional supervisory actions are mandated for an institution
falling into one of the three "undercapitalized" categories,
 
                                       31
<PAGE>   40
 
with the severity of supervisory action increasing at greater levels of capital
deficiency. For example, critically undercapitalized institutions are, among
other things, restricted from making any principal or interest payments on
subordinated debt without prior approval of their appropriate Federal banking
regulator. The regulations apply only to banks and not to bank holding
companies, such as the Company; however, the Federal Reserve Board is authorized
to take appropriate action at the holding company level based on the
undercapitalized status of such holding company's subsidiary banking
institution. In certain instances relating to an undercapitalized banking
institution, the bank holding company is required to guarantee the performance
of the undercapitalized subsidiary and may be liable for civil money damages for
failure to fulfill its commitments on such guarantee.
 
     At September 30, 1993, Chemical Bank was "well-capitalized", based on the
"prompt corrective action" ratios and guidelines described above.
 
     The FDIC has issued a rule, effective June 16, 1992, regarding the ability
of depository institutions to accept brokered deposits. Under the rule, the term
"brokered deposits" is defined to include deposits that are solicited by a
bank's affiliates on its behalf. A significant portion of Chemical Bank's
wholesale deposits are solicited on its behalf by a broker-dealer affiliate of
Chemical Bank and, therefore, such deposits could be considered brokered
deposits. The rule provides that (i) an "undercapitalized" institution is
prohibited from accepting, renewing or rolling over brokered deposits, (ii) an
"adequately capitalized" institution must obtain a waiver from the FDIC before
accepting, renewing or rolling over brokered deposits and is not permitted to
pay interest on brokered deposits accepted in such institution's normal market
area at rates that "significantly exceed" rates paid on deposits of similar
maturity in such area, and (iii) a "well capitalized" institution may accept,
renew or roll over brokered deposits without restriction. The definitions of
"well capitalized", "adequately capitalized", and "undercapitalized" are similar
to, although not exactly the same as, the definitions utilized in the "prompt
corrective action" rules described above.
 
     At September 30, 1993, Chemical Bank was "well capitalized" under these
regulations and the Company does not presently anticipate that the brokered
deposit regulation will have an adverse effect on its operations.
 
     The FDIC has also issued a regulation implementing risk-based FDIC
insurance premiums. Under the assessment system, each depository institution
will be assigned to one of nine risk classifications based upon certain capital
and supervisory measures and, depending upon its classification, will be
assessed premiums ranging from 23 basis points to 31 basis points. The Company
believes that risk-based FDIC insurance premiums will not have a material effect
on the Company's expenses during 1993.
 
     Other rules adopted or currently proposed to be adopted pursuant to FDICIA
include: (i) real estate lending standards for banks to provide guidelines
concerning loan-to-value ratios for various types of real estate loans; (ii)
revisions to the risk-based capital rules to account for interest rate risk,
concentration of credit risk and the risks posed by "non-traditional
activities"; (iii) rules requiring depository institutions to develop and
implement internal procedures to evaluate and control credit and settlement
exposure to their correspondent banks; (iv) rules implementing the FDICIA
provision prohibiting, with certain exceptions, state member banks from making
equity investments of the types and amount not permissible for national banks;
(v) rules addressing various "safety and soundness" issues, including operations
and managerial standards, standards for asset quality, earnings and stock
valuations, and compensation standards for the officers, directors, employees
and principal shareholders of the depository institution; and (vi) rules
mandating enhanced financial reporting and audit requirements.
 
OTHER
 
     The Financial Institutions Reform, Recovery, and Enforcement Act of 1989
("FIRREA") imposes liability on an institution the deposits of which are insured
by the FDIC for costs incurred by the FDIC in connection with the insolvency of
other FDIC-insured institutions under common control with such institution. Such
an FDIC claim against a depository institution is superior in right of payment
to claims of the holding company of such institution.
 
                                       32
<PAGE>   41
 
     Under Federal Reserve Board policy, the Company is expected to act as a
source of financial strength to each bank subsidiary and to commit resources to
support such bank subsidiary in circumstances where it might not do so absent
such policy. Any loans by a bank holding company to any of its subsidiary banks
that qualify as capital are subordinate in right of payment to deposits and to
certain other indebtedness of the subsidiary banks. In the event of a bank
holding company's bankruptcy, any commitment by the bank holding company to a
Federal banking regulator to maintain the capital of a subsidiary bank at a
certain level will be assumed by the bankruptcy trustee and entitled to a
priority of payment.
 
     The bank subsidiaries of the Company are subject to certain restrictions
imposed by Federal law on extensions of credit to, and certain other
transactions with, the Company and certain other affiliates and on investments
in stock or securities thereof. Such restrictions prevent the Company and such
other affiliates from borrowing from a bank subsidiary unless the loans are
secured in specified amounts. Without the prior approval of the Federal Reserve
Board, such secured loans, other transactions and investments by any bank
subsidiary are generally limited in amount as to the Company and as to each of
such other affiliates to 10% of such bank's capital and surplus and as to the
Company and all such other affiliates to an aggregate of 20% of such bank's
capital and surplus. Federal law also requires that transactions between a bank
subsidiary and the Company or certain non-bank affiliates, including extensions
of credit, sales of securities or assets and the provision of services, be
conducted on terms at least as favorable to the bank subsidiary as those that
apply or that would apply to comparable transactions with unaffiliated parties.
 
                                    EXPERTS
 
     The financial statements of the Company incorporated in this Prospectus by
reference to the Annual Report on Form 10-K for the year ended December 31, 1992
have been so incorporated in reliance on the report of Price Waterhouse,
independent accountants, given the authority of said firm as experts in auditing
and accounting.
 
                                 LEGAL OPINIONS
 
     The validity of the Offered Securities being offered hereby will be passed
upon for the Company by Simpson Thacher & Bartlett (a partnership which includes
professional corporations), New York, New York, and for any underwriters by
Cravath, Swaine & Moore, New York, New York. Cravath, Swaine & Moore has
represented and continues to represent the Company and its subsidiaries in a
substantial number of matters on a regular basis.
 
                                       33
<PAGE>   42
 
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     NO DEALER, SALESPERSON OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED OR INCORPORATED BY
REFERENCE IN THIS PROSPECTUS SUPPLEMENT OR THE ACCOMPANYING PROSPECTUS AND, IF
GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS
HAVING BEEN AUTHORIZED BY THE COMPANY OR ANY UNDERWRITER. THIS PROSPECTUS
SUPPLEMENT AND THE PROSPECTUS DO NOT CONSTITUTE AN OFFER TO SELL OR A
SOLICITATION OF AN OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
JURISDICTION. NEITHER THE DELIVERY OF THIS PROSPECTUS SUPPLEMENT OR THE
PROSPECTUS NOR ANY SALE MADE HEREUNDER OR THEREUNDER SHALL, UNDER ANY
CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THE INFORMATION HEREIN OR THEREIN IS
CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATE HEREOF OR THAT THERE HAS BEEN NO
CHANGE IN THE AFFAIRS OF THE COMPANY SINCE SUCH DATE.
 
                               ------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                        PAGE
<S>                                     <C>
           PROSPECTUS SUPPLEMENT
Chemical Banking Corporation.........   S-2
Use of Proceeds......................   S-2
Certain Terms of the Subordinated
  Debentures.........................   S-2
Results of 1993 Operations...........   S-5
Underwriting.........................   S-8
Legal Opinions.......................   S-8
                 PROSPECTUS
Available Information................    2
Incorporation of Certain Documents by
  Reference..........................    2
Chemical Banking Corporation.........    3
Consolidated Ratios of Earnings to
  Fixed Charges......................    5
Use of Proceeds......................    5
Description of Debt Securities.......    6
Description of Preferred Stock.......    16
Description of Common Stock..........    23
Description of Securities Warrants...    25
Risk Factors Relating to Currency
  Warrants...........................    26
Description of Currency Warrants.....    26
Plan of Distribution.................    27
Certain Regulatory Matters...........    29
Experts..............................    33
Legal Opinions.......................    33
</TABLE>
 
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- ------------------------------------------------------
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                             (LOGO)Chemical Banking
                                  Corporation
 
                                  $200,000,000
 
                         6 1/2% Subordinated Debentures
                                    Due 2009
 
                       -------------------------------
                             PROSPECTUS SUPPLEMENT
                       -------------------------------
 
                                CS First Boston
 
                          Donaldson, Lufkin & Jenrette
                             Securities Corporation
 
                           Smith Barney Shearson Inc.
 
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